TCP聊天文件服务器v2.2 - 服务端客户端套接字解决分包/粘包问题 - SocketQueue继承以及减少冗余

2023-02-06 10:04:08 浏览数 (2)

TCP聊天 传输文件服务器服务器套接字v2.2

整个图当封面吧

所有版本记录: v1.0 : TCP聊天服务器套接字|PyQt5 socket(TCP端口映射 端口放行) logging Thread(含日志,html) anaconda打包32位exe(3.4万字)|python高阶 v1.1 : python TCP套接字服务器v1.1-新增服务端命令功能及修改bug(socket PyQt5) v1.2 : python TCP服务器v1.2 - 服务端新增用户登录注册(json, md5加密) v1.3 : python TCP服务器v1.3 - 服务器抗压测试及关闭套接字处理 v1.4 : python TCP服务器v1.4 - 客户端连接服务器异常(异常情况分类)处理 v1.5 : PyQt5可编辑下拉框(comboBox):editable - python TCP服务器v1.5 - 客户端连接界面增加自定义参数(设置超时, 连接地址可选) v1.6 : Python TCP服务器v1.6 - multiprocessing多进程及Ctrl-c(SIGINT)退出 v1.7 : Python TCP服务器v1.7 - PyQt5 server服务端来临 v1.8 : python TCP服务器v1.8 - PyQt5登录界面美化 淡入淡出 v1.9 : socketTCP协程文件 信息传递 - TCP聊天文件服务器v1.9 - 划时代的版本更新(4.6万字) v2.0 : TCP聊天文件服务器v2.0 - 重大bug修复 PyQt5文件传输可视化 v2.1 : TCP聊天文件服务器v2.1 - 服务端线程管理(threading.enumerate)

文章目录

  • SocketQueue
    • Server服务端
      • 原先:
      • 现在:
          • socket_queue.py
          • server.py Client类的继承
    • User客户端
      • 原先
      • 现在
        • 继承关系 SocketQueue -> SocketClient -> Socket
          • socket_queue.py
          • user.pyw
  • 图片搬家
  • 全部代码
    • 服务端
      • data.py
      • server.pyw
      • socket_queue.py
    • 客户端
      • user.pyw
      • socket_queue.py
      • file.py
      • ProgressBar.py
  • 资源(0积分)

SocketQueue

python 分隔列队机制完美解决TCP粘包分包问题 - csdn - zmh_program的博文 我的此篇文章已经讲述了大概算法,再次就不在赘述过多, 主要是继承问题

Server服务端

原先:

代码语言:javascript复制
class Client(object):
    class QuitError(Exception):
        def __init__(self, *args):
            super().__init__(*args)

    def __init__(self, socket, addr, server: Server):
        self.socket = socket
        self.addr = addr
        if not isinstance(server, Server):
            raise ValueError
        self.server = server
        self.encode = self.server.encode
        self.max_count = self.server.max_count
        self.com = Command_Handler(self)

        @self.error
        def _recv(self) -> bytes:
            return self.socket.recv(self.max_count).decode(encoding=self.encode).strip()

        self._recv = lambda: _recv(self)

        @self.error
        def _send(self, message=None) -> None:
            if message:
                if isinstance(message,str):
                    message = repr((normal_text, message)).encode(self.encode)
                message  = b'n'    #防止粘包
                self.socket.sendall(message)

        self._send = lambda m: _send(self, m)

    def __del__(self):
        self.socket.close()

    def isLogin(self) -> bool:
        return hasattr(self, "_login") and self._login

    def isOpen(self) -> bool:
        return not getattr(self.socket, "_closed", True)

    def __filter__(self) -> bool:
        """返回是否在线并已可接受消息"""
        return self.isLogin() and self.isOpen()

    def recv(self) -> str:
        if not hasattr(self, "queue"): self.queue = []  #列队机制
        if self.queue:
            return self.queue.pop(0)
        while True:
            result = list(self.server.user_handle.handle(self._recv(), self))
            if result:
                self.queue.extend(result)
                return self.queue.pop(0)

    def input(self, text):
        self._send(text)
        return self.recv()

    @ignore
    def login(self):
        self.username = self.recv()[:15]
        if self.server.user_record.__in__(self.username):
            if self.server.user_record.handler(self.username, self.input("<font color='red'>请输入您的密码: (右下[send]键发送)</font>")):
                self._send(f'<font color="green">欢迎回来, {self.username}.</font>')
            else:
                self._send('<font color="red">密码错误,请重试.</font>')
                self.__del__() # = del self
        else:
            def normal(string):
                return (4 <= len(string) <= 10) and not ('n' in string)

            while True:
                p1 = self.input("<font color='blue'>[i]提示: 密码需在4 ~ 10位之间, 且不能换行.</font>n<font color='red'>请输入您的密码: (右下[send]键发送)</font>")
                if normal(p1):
                    break
            while True:
                p2 = self.input("<font color='red'>再次输入您的密码: (右下[send]键发送)</font>")
                if p1 == p2:
                    break
                else:
                    self._send("<font color='red'>密码与前次不符!</font>")
            self.server.user_record.handler(self.username, p1)
            self._send(f'初来乍到, {self.username}')
        self._login = True
        self.server.login(self.username, self.addr)

    def quit(self) -> None:
        if hasattr(self, 'Quitted'):
            return
        self.Quitted = True
        if self.isOpen() is True:
            self.socket.close()
        self.server.quit(self.username, self.addr)


    @ignore
    def forever_receive(self):
        self.login()
        while self.__filter__():
            string = self.recv()
            if string is None:
                continue
            elif string == Client.QuitError:
                return
            elif self.com.iscommand(string):
                self._send(self.com.handler(string))
            else:
                self.server.UserMessage(self.addr, self.username, string)

    def error(self, func):
        def function(*args, **kwargs):
            try:
                res = func(*args, **kwargs)
                return res
            except (ConnectionAbortedError,ConnectionRefusedError,ConnectionResetError, OSError) as e:
                self.quit()
            except Exception:
                logger.exception("error")
                return Client.QuitError

        return function

    def run(self):
        self.thread = threading(True,name=f"客户端{self.addr}",target=self.forever_receive)

现在:

socket_queue.py
代码语言:javascript复制
import socket


def ignore(function):
    def func(*args, **kwargs):
        try:
            return function(*args, **kwargs)
        except:
            pass

    return func


class SocketQueue:
    split_text = "n"  # 类变量, 默认分隔符为回车(n)

    class QuitError(ConnectionError):
        pass

    def __init__(self, socket=socket.socket(), bufsize=1024, codec="utf8"):
        self.socket, self.bufsize, self.codec = socket, bufsize, codec
        self.waitKey = str()
        self.ReadyQueue = []
        self._closed = False

    def __close__(self):
        self.quit()

    def __del__(self):
        self.quit()

    def isOpen(self) -> bool:
        return not (self._closed and getattr(self.socket, "_closed", False))

    def quitEvent(self) -> None:
        pass

    def quit(self) -> None:
        if not self._closed:
            self._closed = True
            self.quitEvent()
            self.socket.close()

    def normal_text(self, string: str):
        return string.encode(self.codec)

    def __recv(self) -> (bytes, ConnectionError):
        try:
            data = self.socket.recv(self.bufsize).strip(b" ") # str.strip()不可用! 会将n省略
            if data:
                self.parse_data(self.handle(data))
        except (ConnectionAbortedError, ConnectionRefusedError, ConnectionResetError, OSError) as e:
            self.quit()
            return self.QuitError

    def __send(self, data: bytes) -> bool:
        try:
            self.socket.sendall(data)
            return True
        except (ConnectionAbortedError, ConnectionRefusedError, ConnectionResetError, OSError) as e:
            self.quit()
            return False

    def send(self, data) -> bool:
        if isinstance(data, str):
            data = self.normal_text(data)
        elif isinstance(data, (set, list, tuple)):
            data = repr(data)
        elif isinstance(data, (int, float)):
            data = str(data).encode(self.codec)
        elif isinstance(data, bytes):
            pass
        else:
            data = bytes(data)
        return self.__send(data   self.split_text.encode(self.codec))

    def input(self, text):
        self.send(text)
        return self.recv()

    def forever_receive(self) -> (str, None):
        while self.isOpen():
            self.recv()

    def handle(self, data: bytes):
        return [d.strip() for d in data.decode(self.codec).split(self.split_text)]

    @ignore
    def parse_data(self, generator: (tuple, list, set)) -> None:
        generator = list(generator)
        if len(generator) == 1:  # 列表为1, 表明无间隔符, 则在等待中添加.
            self.waitKey  = generator[0]
            return
        self.ReadyQueue.append(self.waitKey   generator.pop(0))
        self.waitKey = generator.pop()
        self.ReadyQueue.extend(generator)

    def recv(self) -> (str, Exception):
        while True:
            while not self.ReadyQueue:
                self.__recv()
                if not self.isOpen():
                    return self.QuitError
            data = self.parse_argument(self.ReadyQueue.pop(0))
            if isinstance(data, str) and data:
                return data

    def parse_argument(self, arg: str) -> str:
        return arg.strip()

    def recv_list(self) -> list:
        queue = self.ReadyQueue[:]
        self.ReadyQueue = []
        return queue

    @ignore
    def connect(self, host: str, port: int):
        assert 0 <= port <= (2 ** 16) - 1
        self.socket.connect((host, port))
server.py Client类的继承
代码语言:javascript复制
class Client(SocketQueue):
    def __init__(self, socket, addr, server: Server):
        super(Client, self).__init__(socket, server.max_count, server.encode)
        self.addr = addr
        if not isinstance(server, Server):
            raise ValueError
        self.server = server
        self.username = str()
        self.com = Command_Handler(self)
        self.thread = threading(True, name=f"客户端{self.addr}", target=self.forever_receive)
        self._login = False

    def normal_text(self, s):
        return repr((normal_text, s)).encode(self.codec)

    def isLogin(self) -> bool:
        return getattr(self, "_login", False)

    def __filter__(self) -> bool:
        """返回是否在线并已可接受消息"""
        return self.isLogin() and self.isOpen()

    @ignore
    def login(self):
        self.username = self.recv()[:15]
        if self.server.user_record.__in__(self.username):
            if self.server.user_record.handler(self.username,
                                               self.input("<font color='red'>请输入您的密码: (右下[send]键发送)</font>")):
                self.send(f'<font color="green">欢迎回来, {self.username}.</font>')
            else:
                self.send('<font color="red">密码错误,请重试.</font>')
                self.__del__()
        else:
            while True:
                p1 = self.input(
                    "<font color='blue'>[i]提示: 密码需在4 ~ 10位之间, 且不能换行.</font>n<font color='red'>请输入您的密码: (右下[send]键发送)</font>")
                if (4 <= len(p1) <= 10) and not ('n' in p1):
                    break
            while True:
                p2 = self.input("<font color='red'>再次输入您的密码: (右下[send]键发送)</font>")
                if p1 == p2:
                    break
                else:
                    self.send("<font color='red'>密码与前次不符!</font>")
            self.server.user_record.handler(self.username, p1)
            self.send(f'初来乍到, {self.username}')
        self._login = True
        self.server.login(self.username, self.addr)

    def quitEvent(self) -> None:
        self.server.quit(self.username, self.addr)

    def parse_argument(self, arg: str) -> str:
        return self.server.user_handle.handle(arg.strip(), self)

    @ignore
    def forever_receive(self):
        self.login()
        while self.__filter__():
            string = self.recv()
            if string is None:
                continue
            elif self.com.iscommand(string):
                self.send(self.com.handler(string))
            else:
                self.server.UserMessage(self.addr, self.username, string)

是不是非常简练?

User客户端

原先

代码语言:javascript复制
class Socket:
    def __init__(self, Function=lambda i: None, code='utf-8'):
        self.socket = socket.socket()
        self.code = code
        self._logger = Function
        self.socket.settimeout(TIMEOUT)
        self._connect = False

    def set_func(self, f):
        self._logger = f

    def retry(self):
        del self.socket
        self.socket = socket.socket()
        self.socket.settimeout(TIMEOUT)
    def socket_connect(self):
        if hasattr(self, "_socc"):
            self.retry()  # socket多次连接不同地址会出现 `OSError: [WinError 10022] 提供了一个无效的参数.`
        else:
            self._socc = True
        try:
            self.socket.connect(self.addr)
        except socket.gaierror:
            return f"获取地址信息失败.请确保{self.addr[0]}是有效地址或ipv4/ipv6"
        except socket.timeout:
            return f"连接超时({TIMEOUT}s).服务器[{self.addr[0]}:{self.addr[1]}]连接失败."
        except OverflowError:
            return f"输入的端口号为{self.addr[1]},端口号必须在0~65535间."
        except ConnectionResetError:
            pass
        except OSError as e:
            if int(self.addr[1]) == 0:
                return "[WinError 10049] 在其上下文中,该请求的地址无效"
            return str(e.args[1]).rstrip('。')
        except TypeError:
            return f"网络地址格式错误: 格式[ip:port] port必须为整型变量0~65535间."
        except:
            logging.exception(msg=str())
        else:
            return True

    def connect(self, data=None, ip=None, port: int = 0000, show=lambda _: None):
        if data is None:
            assert hasattr(self, "dt"), "user data is empty."
        else:
            self.dt = data

        if ip is None:
            assert hasattr(self, "addr"), "ip address is empty."
        else:
            self.addr = (ip, port)

        result = self.socket_connect()
        if result is True:
            #show("[{}]: 连接成功!".format(get_time()))
            s._connect = True
            return True
        else:
            show(f"[{get_time()}]: {result}")
            s._connect = False
            return False
    def info(self):
        return repr(self.dt)
    @to_logging
    def _recv(self):
        result = self.handle.handle(self.socket.recv(base ** 2))
        for data in result:
            if data and isinstance(data, str):
                kb = len(data) / base
                self._logger(f'{data}                  {"<font size=1>%0.2f kb</font>" % kb}')
    def _handler(self):
        self.handle.send_text(self.dt)
        while True:
            if self._recv() == "CLOSE":
                return
    def send(self, b:(str, bytes)):
        b = b.strip()
        if isinstance(b, str):
            b = b.encode(self.code)
        if b:
            self.socket.send(b   b'n')
    def run(self):  # 线程
        self.handle = message_handle(self.send)

        self._connect = True
        self.thread = threading(True, target=self._handler)

现在

继承关系 SocketQueue -> SocketClient -> Socket
socket_queue.py
代码语言:javascript复制
import socket
from datetime import datetime

get_time = lambda: datetime.now().strftime('%H:%M:%S')
TIMEOUT = 2


def ignore(function):
    def func(*args, **kwargs):
        try:
            return function(*args, **kwargs)
        except:
            pass

    return func


class SocketQueue:
    split_text = "n"  # 类变量, 默认分隔符为回车(n)

    class QuitError(ConnectionError):
        pass

    def __init__(self, sock=socket.socket(), bufsize=1024, codec="utf8"):
        self.socket, self.bufsize, self.codec = sock, bufsize, codec
        self.waitKey = str()
        self.ReadyQueue = []
        self._closed = False

    def re_setup(self):
        self.waitKey = str()
        self.ReadyQueue = []
        self._closed = False

    def __close__(self):
        self.quit()

    def __del__(self):
        self.quit()

    def isOpen(self) -> bool:
        return not (self._closed and getattr(self.socket, "_closed", False))

    def quitEvent(self) -> None:
        pass

    def quit(self) -> None:
        if not self._closed:
            self._closed = True
            self.quitEvent()
            self.socket.close()

    def normal_text(self, string: str):
        return string.encode(self.codec)

    def __recv(self) -> (bytes, ConnectionError):
        try:
            data = self.socket.recv(self.bufsize).strip(b" ")  # str.strip()不可用! 会将n省略
            if data:
                self.parse_data(self.handle(data))
        except (ConnectionAbortedError, ConnectionRefusedError, ConnectionResetError, OSError) as e:
            if isinstance(e, socket.timeout):
                return
            self.quit()
            return self.QuitError

    def __send(self, data: bytes) -> bool:
        try:
            self.socket.sendall(data)
            return True
        except (ConnectionAbortedError, ConnectionRefusedError, ConnectionResetError, OSError) as e:
            self.quit()
            return False

    def send(self, data) -> bool:
        if isinstance(data, str):
            data = self.normal_text(data)
        elif isinstance(data, (set, list, tuple)):
            data = repr(data).encode(self.codec)
        elif isinstance(data, (int, float)):
            data = str(data).encode(self.codec)
        elif isinstance(data, bytes):
            pass
        else:
            data = bytes(data)
        return self.__send(data   self.split_text.encode(self.codec))

    def input(self, text):
        self.send(text)
        return self.recv()

    def forever_receive(self) -> (str, None):
        while self.isOpen():
            self.recv()

    def handle(self, data: bytes):
        return [d.strip() for d in data.decode(self.codec).split(self.split_text)]

    @ignore
    def parse_data(self, generator: (tuple, list, set)) -> None:
        generator = list(generator)
        if len(generator) == 1:  # 列表为1, 表明无间隔符, 则在等待中添加.
            self.waitKey  = generator[0]
            return
        self.ReadyQueue.append(self.waitKey   generator.pop(0))
        self.waitKey = generator.pop()
        self.ReadyQueue.extend(generator)

    def recv(self) -> (str, Exception):
        while True:
            while (not self.ReadyQueue) and self.isOpen():
                self.__recv()
            if not self.isOpen():
                return self.QuitError
            data = self.parse_argument(self.ReadyQueue.pop(0))
            if isinstance(data, str) and data:
                return data

    def parse_argument(self, arg: str) -> str:
        return arg.strip()

    def recv_list(self) -> list:
        queue = self.ReadyQueue[:]
        self.ReadyQueue = []
        return queue

    @ignore
    def connect(self, host: str, port: int):
        assert 0 <= port <= (2 ** 16) - 1
        self.socket.connect((host, port))


def err_connect(sock, addr: tuple) -> (str, bool):
    try:
        sock.connect(addr)
    except socket.gaierror:
        return f"获取地址信息失败.请确保{addr[0]}是有效地址或ipv4/ipv6"
    except socket.timeout:
        return f"连接超时({TIMEOUT}s).服务器[{addr[0]}:{addr[1]}]连接失败."
    except OverflowError:
        return f"输入的端口号为{addr[1]},端口号必须在0~65535间."
    except (ConnectionError, ConnectionResetError, ConnectionRefusedError, ConnectionAbortedError):
        return "请求拒绝."
    except OSError as e:
        if int(addr[1]) == 0:
            return "[WinError 10049] 在其上下文中,该请求的地址无效"
        return str(e.args[1]).rstrip('。')
    except TypeError:
        return f"网络地址格式错误: 格式[ip:port] port必须为整型变量0~65535间."
    except:
        return "连接错误"
    else:
        return True


class SocketClient(SocketQueue):
    addr = "localhost", 429
    header = ""

    def __init__(self, addr, *args, **kwargs):
        super(SocketClient, self).__init__(*args, **kwargs)
        self.socket.settimeout(TIMEOUT)
        self.connected = False
        self.__is_connect = False

        self._traceback = lambda *_: None

    def is_connect(self) -> bool:
        return self.__is_connect

    def change_address(self, host: str, port: int):
        self.addr = host, port

    def change_header(self, header: str):
        self.header = header

    def set_failEvent(self, function):
        self._traceback = function

    def failEvent(self, reason):
        self._traceback(f"[{get_time()}]: {reason}")

    def connect(self):
        if self.connected:
            self.socket = socket.socket()
            self.socket.settimeout(TIMEOUT)
            self.re_setup()
        self.connected = True

        _res = err_connect(self.socket, self.addr)
        if _res is True:
            self.__is_connect = True
        else:
            self.failEvent(_res)
            self.__is_connect = False
        return self.__is_connect

    def quitEvent(self) -> None:
        self.__is_connect = False
user.pyw
代码语言:javascript复制
class Socket(SocketClient):
    def __init__(self, Function=lambda i: None, code='utf-8'):
        super(Socket, self).__init__(code)
        self.handler = message_handle(self.send)

    def parse_argument(self, arg: str) -> str:
        return self.handler.handle(arg.strip())

    def recv(self):
        result = super(Socket, self).recv()
        if isinstance(result, str) and result:
            self._traceback(f'{result}                  <font size=1>{covert(len(result))}</font>')
        return self.isOpen()

    def forever_receive(self) -> None:
        self.handler.send_text(self.header)
        while True:
            if not self.recv():
                return

    def run(self):  # 线程
        threading(True, target=self.forever_receive)

    def quitEvent(self):
        self.__is_connect = False
        if main.is_setup:
            main.ConnectionError_signal.emit()

图片搬家

全部代码

这回我觉得一个一个粘贴太麻烦, 尤其是python文件的增加, 所以我同时增加了资源,你要是有vip就解压, 没下载机会也可以直接复制

服务端

data.py

代码语言:javascript复制
from json import load, dump
from os import path, mkdir
from hashlib import md5
from time import time


def encode(data: str):
    m = md5()
    m.update(data.encode('utf8'))
    return m.hexdigest()


file = '.clientsdata.json'
folder = '.clients'
if not path.exists(folder):
    mkdir(folder)


class user():
    def __init__(self):
        if path.exists(file):
            with open(file, 'r') as f:
                self.data = load(f)
        else:
            self.data = {}

    def __get__(self, username, default=None) -> tuple:
        return self.data.get(username, default)

    def __in__(self, username) -> bool:
        return username in self.data.keys()

    def __write__(self) -> None:
        with open(file, 'w') as f:
            dump(self.data, f, indent=4)

    def __register__(self, username, password, time: (int, float)) -> None:
        self.data[username] = (encode(password), int(time))
        self.__write__()

    def __login__(self, username, password) -> bool:
        return self.data[username][0] == encode(password)

    def handler(self, username, password) -> bool:
        if self.__in__(username):
            return self.__login__(username, password)
        else:
            self.__register__(username, password, time())
            return True

    def get_time(self, username):
        return self.data[username][1]

server.pyw

代码语言:javascript复制
import asyncio
import logging
import os
import socket
import sys
import time
from threading import Thread
from threading import enumerate as _enumerate
from PyQt5 import QtCore, QtGui, QtWidgets
from psutil import cpu_percent
import data                             # data.py
from socket_queue import SocketQueue    # socket_queue.py

__version__ = 2.2
base = 1024
segment = base * 2  # 防止切断
delay = 0.04

new_file = 0
update_file = 1
request_file = 2
normal_text = 3
loop = asyncio.get_event_loop()


class QLogger(logging.Handler):
    def __init__(self, *args, **kwargs):
        logging.Handler.__init__(self, *args, **kwargs)
        self.output = lambda *_: None
        self.setFormatter(logging.Formatter(
            "[<font color='darkgreen'>%(asctime)s</font>(<font color='blue'>%(levelname)s</font>)]:  <font color='brown'>%(message)s</font>"))

    def emit(self, record):
        record = self.format(record)
        if hasattr(self, "output"):
            self.output(record)

    def connect(self, func):
        if callable(func):
            self.output = func


def threading(Daemon, name=None, **kwargs):
    thread = Thread(**kwargs)
    thread.setDaemon(Daemon)
    if name:
        thread.setName(name)
    thread.start()
    return thread


file_thread = threading(True, "文件传输", target=loop.run_forever)


def thread_info(thread: Thread):
    return f"{str(thread._name).ljust(12)}{thread._ident}({thread.__class__.__name__})"


def ignore(function):
    def i(*args, **kwargs):
        try:
            function(*args, **kwargs)
        except:
            return

    return i


logger = logging.getLogger(__name__)
logger.setLevel(level=logging.DEBUG)
Qlog = QLogger()
logger.addHandler(Qlog)
filehandle = logging.FileHandler("log.txt")
filehandle.setFormatter(logging.Formatter("[%(asctime)s(%(levelname)s)]:  %(message)s"))
logger.addHandler(filehandle)
logger.setLevel(logging.DEBUG)


def to_logging(command):
    def logs(*args, **kwargs):
        try:
            _result = command(*args, **kwargs)
            if _result is None:
                return True
            return _result
        except:
            logger.exception(str())
            return False

    return logs


class Command_Handler(object):
    def __init__(self, bind):
        """Bind Client class"""
        assert isinstance(bind, Client)
        self.client = bind

    def _function(self, _list):

        data = {"/info": {"-v": self.get_version(),
                          "-id": self.get_id(),
                          "-i": self.info(),
                          "-h": self.help(),
                          "-name": self.name()},
                }
        _dict = data
        for n in range(len(_list)):
            if type(_dict) == dict:
                _dict = _dict.get(_list[n], self.unknown(" ".join(_list)))
            else:
                break
        if type(_dict) == dict:
            _dict = "Error:n<font color='blue'>This command must take more arguments. Such as %s.</font>" % list(
                _dict.keys())
        return _dict

    @staticmethod
    def help():
        return """/info [-v] [-id] [-i]
-v : get version of program.
-id : get your id.
-i : get information.
-h : help.
-name : get your name
For example, <font color=red>/info -id</font>"""

    @staticmethod
    def get_version():
        return "version : "   str(__version__)

    def get_id(self):
        return "Your id is {}.".format(id(self.client))

    def name(self):
        return "Your name is {}.".format(self.client.username)

    def info(self):
        return f"Socket Server[version {self.get_version()}] By zmh."

    def unknown(self, s):
        return """Error:
No command named "%s". Please search [/info -h] to help.
%s""" % (s, self.help())

    def cut(self, string):
        return string.strip().split()

    def handler(self, c):
        return "<font color='gray'>[command]</font><font color='brown'>%s</font>n%s" % (
            c, str(self._function(self.cut(c))))

    def iscommand(self, i):
        return i.strip().startswith("/")


class Server:
    join_message = "<font color='red'>Server></font> <font color='blue'>%s(%s)</font> 连接服务器. 当前在线人数: <font color='red'>%s</font>"
    user_message = "<font color='%s'>%s(%s)%s></font> %s"
    quit_message = "%s(%s) 下线了, %s"

    def __init__(self, usernumUpdate=lambda _: None):
        self.user_num_change = usernumUpdate

    def Setup(self, addr, port, backlog=10, max_count=base ** 2, encode='utf8'):
        self.user_handle = message_handle(self)
        self.address = addr, port
        self.backlog = backlog
        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.socket.bind(self.address)
        self.socket.listen(backlog)
        self.max_count = max_count
        self.connect = []
        self.encode = encode
        self.user_record = data.user()
        return self.run()

    def clear_socket(self, clear_ms=500):
        logger.info(f"Clear the closed socket once every {clear_ms} ms.")
        while True:
            del_list = list(filter(lambda c: hasattr(c, 'Quitted') or (not c.isOpen()), self.connect))
            for user in del_list:
                self.connect.remove(user)
            # if del_list:
            #   logger.info(f"Clear the closed client socket, number is {len(del_list)}.")
            # else:
            #   logger.info('None of the sockets have been cleaned.')
            time.sleep(clear_ms / 1000)

    def run(self):
        logger.debug(f"Server [{':'.join(map(str, self.address))}] on.")
        logger.info(f"Server pid {os.getpid()}.")
        logger.info(f"Max receive length {covert(self.max_count, fine=True)}.")
        logger.info(
            f"Single file transfer speed: <font color='blue'>{covert(segment * (1 // delay))}/s<font>({covert(segment)} × {int(1 // delay)})")
        gui.Database_signal.emit("<font color='gray'>[Transfer speed[-SEGMENT]] = [Maximum load] ÷ 2.</font>")
        logger.info("Backlog number: "   str(self.backlog))
        logger.info('The CODEC is sent as '   self.encode)
        logger.info("The server is listening on the port.")
        threading(Daemon=True, name="离线清理", target=self.clear_socket)
        return threading(Daemon=True, name="监听端口", target=self.accept_client)

    def _get_Clients(self) -> list:
        def func(c):
            return c.__filter__()

        return list(filter(func, self.connect))

    def _get_sockets(self):  # return int
        i = len(self._get_Clients())
        self.user_num_change(i)
        return i

    def _str_sockets(self):
        return f"当前人数 {self._get_sockets()}"

    def ServerMessage(self, mes, inc=True):
        for user in self._get_Clients():
            if user.__filter__():
                user.send(mes)

    def UserMessage(self, address, _user, mes, inc=True):
        if not mes:
            return
        for user in self.connect:
            if user.__filter__():
                username = user.username
                send_message = Server.user_message % ("brown" if _user == username else "red",
                                                      _user,
                                                      address,
                                                      "(我自己)" if _user == username else "",
                                                      mes)
                user.send(send_message)
        logger.info(f"{address}[{_user}] : {mes}")

    def error_handle(self):
        for user in filter(lambda c: not c.isOpen(), self.connect):
            self.connect.remove(user)

    def accept_client(self):
        while True:
            sock, (address, _) = self.socket.accept()  # 阻塞,等待客户端连接
            self.connect.append(Client(sock, address, self))
            logger.info(f'The address {address} is connected to the server.')

    def quit(self, username, address):
        QuitMessage = Server.quit_message % (username, address, self._str_sockets())
        logger.info(QuitMessage)
        self.ServerMessage(QuitMessage, False)

    def login(self, username, address):
        logger.info(f"{address}[{username}] 登录服务器 , "   self._str_sockets())
        self.ServerMessage(Server.join_message % (username, address, self._get_sockets()))


class Client(SocketQueue):
    def __init__(self, socket, addr, server: Server):
        super(Client, self).__init__(socket, server.max_count, server.encode)
        self.addr = addr
        if not isinstance(server, Server):
            raise ValueError
        self.server = server
        self.username = str()
        self.com = Command_Handler(self)
        self.thread = threading(True, name=f"客户端{self.addr}", target=self.forever_receive)
        self._login = False

    def normal_text(self, s):
        return repr((normal_text, s)).encode(self.codec)

    def isLogin(self) -> bool:
        return getattr(self, "_login", False)

    def __filter__(self) -> bool:
        """返回是否在线并已可接受消息"""
        return self.isLogin() and self.isOpen()

    @ignore
    def login(self):
        self.username = self.recv()[:15]
        if self.server.user_record.__in__(self.username):
            if self.server.user_record.handler(self.username,
                                               self.input("<font color='red'>请输入您的密码: (右下[send]键发送)</font>")):
                self.send(f'<font color="green">欢迎回来, {self.username}.</font>')
            else:
                self.send('<font color="red">密码错误,请重试.</font>')
                self.__del__()
        else:
            while True:
                p1 = self.input(
                    "<font color='blue'>[i]提示: 密码需在4 ~ 10位之间, 且不能换行.</font>n<font color='red'>请输入您的密码: (右下[send]键发送)</font>")
                if (4 <= len(p1) <= 10) and not ('n' in p1):
                    break
            while True:
                p2 = self.input("<font color='red'>再次输入您的密码: (右下[send]键发送)</font>")
                if p1 == p2:
                    break
                else:
                    self.send("<font color='red'>密码与前次不符!</font>")
            self.server.user_record.handler(self.username, p1)
            self.send(f'初来乍到, {self.username}')
        self._login = True
        self.server.login(self.username, self.addr)

    def quitEvent(self) -> None:
        self.server.quit(self.username, self.addr)

    def parse_argument(self, arg: str) -> str:
        return self.server.user_handle.handle(arg.strip(), self)

    @ignore
    def forever_receive(self):
        self.login()
        while self.__filter__():
            string = self.recv()
            if string is None:
                continue
            elif self.com.iscommand(string):
                self.send(self.com.handler(string))
            else:
                self.server.UserMessage(self.addr, self.username, string)


def get_host_ip() -> str:
    """get current IP address"""
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        s.connect(('8.8.8.8', 80))
        ip = s.getsockname()[0]
    finally:
        s.close()
    return ip


class Interface(QtWidgets.QMainWindow):
    Database_signal = QtCore.pyqtSignal(str)
    Usernum_signal = QtCore.pyqtSignal(int)

    def __init__(self):
        super(Interface, self).__init__()
        self.setupUi()
        self.show()

    def setupUi(self):
        self.setObjectName("MainWindow")
        self.resize(1088, 685)
        font = QtGui.QFont()
        font.setFamily("Consolas")
        font.setPointSize(11)
        self.setFont(font)
        self.setStyleSheet("")
        self.centralwidget = QtWidgets.QWidget(self)
        self.centralwidget.setObjectName("centralwidget")
        self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
        self.gridLayout.setObjectName("gridLayout")
        self.label_6 = QtWidgets.QLabel(self.centralwidget)
        self.label_6.setObjectName("label_6")
        self.gridLayout.addWidget(self.label_6, 4, 0, 1, 1)
        self.textEdit_2 = QtWidgets.QTextEdit(self.centralwidget)
        self.textEdit_2.setObjectName("textEdit_2")
        self.gridLayout.addWidget(self.textEdit_2, 5, 0, 1, 1)
        self.groupBox = QtWidgets.QGroupBox(self.centralwidget)
        self.groupBox.setObjectName("groupBox")
        self.formLayout_2 = QtWidgets.QFormLayout(self.groupBox)
        self.formLayout_2.setObjectName("formLayout_2")
        self.label_2 = QtWidgets.QLabel(self.groupBox)
        self.label_2.setObjectName("label_2")
        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.LabelRole, self.label_2)
        self.lineEdit = QtWidgets.QLineEdit(self.groupBox)
        self.lineEdit.setObjectName("lineEdit")
        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.lineEdit)
        self.label_8 = QtWidgets.QLabel(self.groupBox)
        self.label_8.setObjectName("label_8")
        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.label_8)
        self.lineEdit_3 = QtWidgets.QLineEdit(self.groupBox)
        self.lineEdit_3.setObjectName("lineEdit_3")
        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.lineEdit_3)
        self.label_7 = QtWidgets.QLabel(self.groupBox)
        self.label_7.setObjectName("label_7")
        self.formLayout_2.setWidget(2, QtWidgets.QFormLayout.LabelRole, self.label_7)
        self.lineEdit_2 = QtWidgets.QLineEdit(self.groupBox)
        self.lineEdit_2.setReadOnly(True)
        self.lineEdit_2.setObjectName("lineEdit_2")
        self.formLayout_2.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.lineEdit_2)
        spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
        self.formLayout_2.setItem(5, QtWidgets.QFormLayout.LabelRole, spacerItem)
        self.pushButton = QtWidgets.QPushButton(self.groupBox)
        self.pushButton.setObjectName("pushButton")
        self.formLayout_2.setWidget(5, QtWidgets.QFormLayout.FieldRole, self.pushButton)
        self.lineEdit_4 = QtWidgets.QLineEdit(self.groupBox)
        self.lineEdit_4.setObjectName("lineEdit_4")
        self.formLayout_2.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.lineEdit_4)
        self.label_9 = QtWidgets.QLabel(self.groupBox)
        self.label_9.setObjectName("label_9")
        self.formLayout_2.setWidget(3, QtWidgets.QFormLayout.LabelRole, self.label_9)
        self.label_10 = QtWidgets.QLabel(self.groupBox)
        self.label_10.setObjectName("label_10")
        self.formLayout_2.setWidget(4, QtWidgets.QFormLayout.LabelRole, self.label_10)
        self.lineEdit_5 = QtWidgets.QLineEdit(self.groupBox)
        self.lineEdit_5.setObjectName("lineEdit_5")
        self.formLayout_2.setWidget(4, QtWidgets.QFormLayout.FieldRole, self.lineEdit_5)
        self.gridLayout.addWidget(self.groupBox, 0, 0, 4, 1)
        self.line = QtWidgets.QFrame(self.centralwidget)
        self.line.setFrameShape(QtWidgets.QFrame.VLine)
        self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
        self.line.setObjectName("line")
        self.gridLayout.addWidget(self.line, 2, 1, 4, 1)
        self.label_5 = QtWidgets.QLabel(self.centralwidget)
        font = QtGui.QFont()
        font.setFamily("Comic Sans MS")
        font.setPointSize(14)
        font.setBold(False)
        font.setWeight(50)
        self.label_5.setFont(font)
        self.label_5.setStyleSheet(
            "background-color:qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(0, 255, 241, 255), stop:0.930348 rgba(0, 158, 255, 255));n"
            "color:rgb(85, 0, 255)")
        self.label_5.setObjectName("label_5")
        self.gridLayout.addWidget(self.label_5, 0, 1, 1, 3)
        self.groupBox_2 = QtWidgets.QGroupBox(self.centralwidget)
        self.groupBox_2.setEnabled(False)
        self.groupBox_2.setObjectName("groupBox_2")
        self.gridLayout_2 = QtWidgets.QGridLayout(self.groupBox_2)
        self.gridLayout_2.setObjectName("gridLayout_2")
        self.lcdNumber = QtWidgets.QLCDNumber(self.groupBox_2)
        self.lcdNumber.setObjectName("lcdNumber")
        self.gridLayout_2.addWidget(self.lcdNumber, 1, 1, 1, 1)
        self.line_3 = QtWidgets.QFrame(self.groupBox_2)
        self.line_3.setFrameShape(QtWidgets.QFrame.HLine)
        self.line_3.setFrameShadow(QtWidgets.QFrame.Sunken)
        self.line_3.setObjectName("line_3")
        self.gridLayout_2.addWidget(self.line_3, 3, 0, 1, 2)
        self.listView_2 = QtWidgets.QListWidget(self.groupBox_2)
        self.listView_2.setObjectName("listView_2")
        self.gridLayout_2.addWidget(self.listView_2, 5, 0, 1, 2)
        self.label_4 = QtWidgets.QLabel(self.groupBox_2)
        self.label_4.setObjectName("label_4")
        self.gridLayout_2.addWidget(self.label_4, 4, 0, 1, 1)
        self.label_3 = QtWidgets.QLabel(self.groupBox_2)
        self.label_3.setObjectName("label_3")
        self.gridLayout_2.addWidget(self.label_3, 1, 0, 1, 1)
        self.label = QtWidgets.QLabel(self.groupBox_2)
        self.label.setObjectName("label")
        self.gridLayout_2.addWidget(self.label, 0, 0, 1, 1)
        self.progressBar = QtWidgets.QProgressBar(self.groupBox_2)
        self.progressBar.setProperty("value", 0)
        self.progressBar.setObjectName("progressBar")
        self.gridLayout_2.addWidget(self.progressBar, 0, 1, 1, 1)
        self.gridLayout.addWidget(self.groupBox_2, 1, 2, 5, 2)
        self.textEdit_2.setReadOnly(True)
        self.setCentralWidget(self.centralwidget)
        self.statusbar = QtWidgets.QStatusBar(self)
        self.statusbar.setObjectName("statusbar")
        self.setStatusBar(self.statusbar)
        self.groupBox_2.setEnabled(False)
        self.retranslateUi()
        self.pushButton.clicked.connect(self.run)
        QtCore.QMetaObject.connectSlotsByName(self)
        self.lcdNumber.display(0)
        self.cpu = cpuThread()
        self.cpu.signal.connect(self.progressUpdate)
        self.Database_signal.connect(self.databaseUpdate)
        self.Usernum_signal.connect(self.usernumUpdate)
        Qlog.connect(self.Database_signal.emit)

        self.timer = QtCore.QTimer(self)
        self.timer.timeout.connect(self.get_threadings)
        self.timer.start(500)

    def progressUpdate(self, v):
        self.progressBar.setValue(int(v))

    @to_logging
    def handle(self):
        self.max_recv = int(float(self.lineEdit.text()) * 1024)  # 单位是kb, 换算为字节.
        global segment
        segment = self.max_recv // 2
        self.backlog = int(self.lineEdit_3.text())
        self.addr = self.lineEdit_4.text()
        self.port = int(self.lineEdit_5.text())
        server.Setup(self.addr, self.port, self.backlog, self.max_recv)

    def run(self, _):
        if self.handle():
            self.groupBox.setEnabled(False)
            self.groupBox_2.setEnabled(True)
            self.cpu.start()

    def get_threadings(self):
        _e = _enumerate()
        if hasattr(self, "data") and self.data == _e:
            return
        self.data = _e
        self.listView_2.clear()
        self.listView_2.addItems(map(thread_info, self.data))

    def databaseUpdate(self, data: str):
        if data:
            time.sleep(0.01)  # Qpainter 过快导致死机
            self.textEdit_2.append(data.strip())
        self.textEdit_2.moveCursor(QtGui.QTextCursor.End)

    def usernumUpdate(self, i):
        if i != int(self.lcdNumber.value()):
            self.lcdNumber.display(i)

    def retranslateUi(self, ):
        _translate = QtCore.QCoreApplication.translate
        self.setWindowTitle(_translate("MainWindow", "Socket Server"))
        self.label_6.setText(_translate("MainWindow", "Database(Logging and traceback):"))
        self.groupBox.setTitle(_translate("MainWindow", "Server Setup"))
        self.label_2.setText(_translate("MainWindow", "Maximum load(kb):"))
        self.lineEdit.setText(_translate("MainWindow", str(1024)))
        self.label_8.setText(_translate("MainWindow", "backlog:"))
        self.lineEdit_3.setText(_translate("MainWindow", "10"))
        self.label_7.setText(_translate("MainWindow", "CODEC(Unalterable):"))
        self.lineEdit_2.setText(_translate("MainWindow", "utf8"))
        self.pushButton.setText(_translate("MainWindow", "Run"))
        self.lineEdit_4.setText(_translate("MainWindow", "127.0.0.1"))
        self.label_9.setText(_translate("MainWindow", "Address:"))
        self.label_10.setText(_translate("MainWindow", "Port:"))
        self.lineEdit_5.setText(_translate("MainWindow", "429"))
        self.label_5.setText(_translate("MainWindow", f"TCP Server v{__version__}"))
        self.groupBox_2.setTitle(_translate("MainWindow", "Run"))
        self.label_4.setText(_translate("MainWindow", "Threadings:"))
        self.label_3.setText(_translate("MainWindow", "Online user(s):"))
        self.label.setText(_translate("MainWindow", "Running memory with CPU"))


class cpuThread(QtCore.QThread):
    signal = QtCore.pyqtSignal(int)

    def run(self) -> None:
        while True:
            self.signal.emit(int(cpu_percent(interval=1)))


def save_bytes(file, byte: bytes):
    with open(file, "wb") as f:
        f.write(byte)


def get_eval(str, defined=None):
    try:
        res = eval(str)
        if isinstance(res, type(defined)):
            return res
        raise TypeError
    except:
        return defined


class SEND:
    def __init__(self, index, name, fbytes: bytes, conn: callable, encode='utf8'):
        self.segs = self.cut(fbytes)
        self.encode = encode
        self.total = len(self.segs)
        self.index = index
        self.conn = conn
        self.finish = False
        self.name = name
        self.size = len(fbytes)
        asyncio.run_coroutine_threadsafe(self.update(), loop)

    async def update(self):
        self.conn(self.header().encode(self.encode))
        for n, data in enumerate(self.segs):
            self.conn(self.format(n, data).encode(self.encode))
            await asyncio.sleep(delay)
        self.finish = True

    def cut(self, byte: bytes, seg=segment) -> list:
        return [byte[x:x   seg] for x in range(0, len(byte), seg)]

    def format(self, process, data) -> str:
        return repr((update_file, (self.index, process, data)))

    def header(self) -> str:
        return repr((new_file, (self.index,
                                self.name,
                                self.total,
                                self.size)
                     ))


class RECV:
    def __init__(self, index: int, name: str, total: int, size: int):
        self.index, self.name, self.total, self.size = index, name, total, size
        self.progress = -1
        self.file = []
        self.finish = False

    def update(self, p, data):
        if isinstance(p, int) and p - 1 == self.progress:
            self.progress = p
            self.file.append(data)
            if len(self.file) == self.total:
                self.finish = True
                return True

    def mix(self):
        return b''.join(self.file)

    def save(self, path, ):
        if self.finish:
            b = self.mix()
            save_bytes(os.path.join(path, self.name), b)
            self.__save = os.path.join(path, self.name)
            logger.info(f"Save {self.name} at {path}, size {len(b)} b.")
            self.file = []  # 不可采取 del self.file.  #释放空间
            return True
        return False

    def savepath(self) -> str:
        if self.finish:
            return self.__save
        return ""


class send_files:
    def __init__(self, encode='utf8'):
        self.sends = []
        self.encode = encode

    def new_sends(self, name, file, conn):
        if type(file) == str:
            file = file.encode(self.encode)

        self.sends.append(SEND(len(self.sends), name, file, conn))  # index: len(self.sends)-1 1  => len(self.sends)

    def localfile(self, file, conn):
        if os.path.isfile(file):
            _, name = os.path.split(file)
            with open(file, "rb") as f:
                file = f.read()
            self.new_sends(name, file, conn)


class recv_files:
    def __init__(self, decode='utf8', path=None):
        self.recvs = []
        self.decode = decode
        if path is None:
            path = sys.path[0]
        self.path = path

    def new_files(self, index, name, total, size):
        self.recvs.append(RECV(index, name, total, size))
        logger.info(f"New file - {name} - {covert(size, fine=True)}.")

    def apply(self, index, progress, data):
        if len(self.recvs) - 1 >= index:
            if self.recvs[index].update(progress, data):
                if self.save(index):
                    return index, self.recvs[index].name
                else:
                    return False

    def save(self, index):
        if len(self.recvs) - 1 >= index:
            return self.recvs[index].save(self.path)


class message_handle:
    codec = "utf8"

    def __init__(self, server: Server, path=None):
        if path is None:
            path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "resource")
        if not os.path.isdir(path):
            os.makedirs(path)
        self.Sender = send_files(self.codec, )
        self.Receiver = recv_files(self.codec, path)
        self.files_record = {}
        self.server = server

    @to_logging
    def handle(self, data, client: Client):
        _res = get_eval(data, tuple())
        if len(_res) == 2:
            type, arguments = _res
            if type == new_file:
                index, name, total, size = arguments
                if not client.username in self.files_record:
                    if index == 0:
                        self.files_record[client.username] = [len(self.Receiver.recvs), ]
                else:
                    self.files_record[client.username].append(len(self.Receiver.recvs))

                self.Receiver.new_files(len(self.Receiver.recvs), name, total, size)
            elif type == update_file:
                index, progress, data = arguments
                if client.username in self.files_record:
                    if not len(self.files_record[client.username]) >= index   1:
                        index = len(self.files_record[client.username]) - 1
                    _res = self.Receiver.apply(self.files_record[client.username][index], progress, data)
                    if _res:
                        INDEX, NAME = _res
                        self.server.UserMessage(client.addr, client.username, f'<a href="{INDEX}">{NAME}</a>')
            elif type == request_file:
                path = self.Receiver.recvs[arguments].savepath()
                if path:
                    self.Sender.localfile(path, client.send)  # 如若无, 报错False
            elif type == normal_text:
                return arguments

    def send(self, sendpath, conn):
        return self.Sender.localfile(sendpath, conn)

    def get_index(self, index):
        if index   1 <= len(self.Receiver.recvs):
            return self.Receiver.recvs[index]


def covert(byte, fine=False):
    """
    位 bit (比特)(Binary Digits):存放一位二进制数,即 0 或 1,最小的存储单位。
    字节 byte:8个二进制位为一个字节(B),最常用的单位。
    其中1024=2^10 ( 2 的10次方),
    1KB (Kilobyte 千字节)=1024B,
    1MB (Megabyte 兆字节 简称“兆”)=1024KB,
    1GB (Gigabyte 吉字节 又称“千兆”)=1024MB,
    1TB (Trillionbyte 万亿字节 太字节)=1024GB,
    1PB(Petabyte 千万亿字节 拍字节)=1024TB,
    1EB(Exabyte 百亿亿字节 艾字节)=1024PB,
    1ZB (Zettabyte 十万亿亿字节 泽字节)= 1024 EB,
    1YB (Jottabyte 一亿亿亿字节 尧字节)= 1024 ZB,
    1BB (Brontobyte 一千亿亿亿字节)= 1024 YB.
    「山木兮」"""
    if not isinstance(byte, (int, float)):
        byte = len(byte)
    DEI = f"{byte} 字节"
    base = 1024
    units = ["b",
             "Kb",
             "Mb",
             "Gb",
             "Tb",
             "Pb",
             "Eb"]
    index = 0
    while True:
        if byte < 1024 or index   1 >= len(units):
            break
        byte /= base
        index  = 1

    if index == 0:
        return DEI
    else:
        if fine:
            return "%0.1f%s(%s)" % (byte, units[index], DEI)
        else:
            return "%0.1f%s" % (byte, units[index])


if __name__ == "__main__":
    app = QtWidgets.QApplication(sys.argv)
    app.setStyle("fusion")
    gui = Interface()
    server = Server(gui.Usernum_signal.emit)
    sys.exit(app.exec_())

socket_queue.py

代码语言:javascript复制
import socket


def ignore(function):
    def func(*args, **kwargs):
        try:
            return function(*args, **kwargs)
        except:
            pass

    return func


class SocketQueue:
    split_text = "n"  # 类变量, 默认分隔符为回车(n)

    class QuitError(ConnectionError):
        pass

    def __init__(self, socket=socket.socket(), bufsize=1024, codec="utf8"):
        self.socket, self.bufsize, self.codec = socket, bufsize, codec
        self.waitKey = str()
        self.ReadyQueue = []
        self._closed = False

    def __close__(self):
        self.quit()

    def __del__(self):
        self.quit()

    def isOpen(self) -> bool:
        return not (self._closed and getattr(self.socket, "_closed", False))

    def quitEvent(self) -> None:
        pass

    def quit(self) -> None:
        if not self._closed:
            self._closed = True
            self.quitEvent()
            self.socket.close()

    def normal_text(self, string: str):
        return string.encode(self.codec)

    def __recv(self) -> (bytes, ConnectionError):
        try:
            data = self.socket.recv(self.bufsize).strip(b" ") # str.strip()不可用! 会将n省略
            if data:
                self.parse_data(self.handle(data))
        except (ConnectionAbortedError, ConnectionRefusedError, ConnectionResetError, OSError) as e:
            self.quit()
            return self.QuitError

    def __send(self, data: bytes) -> bool:
        try:
            self.socket.sendall(data)
            return True
        except (ConnectionAbortedError, ConnectionRefusedError, ConnectionResetError, OSError) as e:
            self.quit()
            return False

    def send(self, data) -> bool:
        if isinstance(data, str):
            data = self.normal_text(data)
        elif isinstance(data, (set, list, tuple)):
            data = repr(data)
        elif isinstance(data, (int, float)):
            data = str(data).encode(self.codec)
        elif isinstance(data, bytes):
            pass
        else:
            data = bytes(data)
        return self.__send(data   self.split_text.encode(self.codec))

    def input(self, text):
        self.send(text)
        return self.recv()

    def forever_receive(self) -> (str, None):
        while self.isOpen():
            self.recv()

    def handle(self, data: bytes):
        return [d.strip() for d in data.decode(self.codec).split(self.split_text)]

    @ignore
    def parse_data(self, generator: (tuple, list, set)) -> None:
        generator = list(generator)
        if len(generator) == 1:  # 列表为1, 表明无间隔符, 则在等待中添加.
            self.waitKey  = generator[0]
            return
        self.ReadyQueue.append(self.waitKey   generator.pop(0))
        self.waitKey = generator.pop()
        self.ReadyQueue.extend(generator)

    def recv(self) -> (str, Exception):
        while True:
            while not self.ReadyQueue:
                self.__recv()
                if not self.isOpen():
                    return self.QuitError
            data = self.parse_argument(self.ReadyQueue.pop(0))
            if isinstance(data, str) and data:
                return data

    def parse_argument(self, arg: str) -> str:
        return arg.strip()

    def recv_list(self) -> list:
        queue = self.ReadyQueue[:]
        self.ReadyQueue = []
        return queue

    @ignore
    def connect(self, host: str, port: int):
        assert 0 <= port <= (2 ** 16) - 1
        self.socket.connect((host, port))

客户端

user.pyw

代码语言:javascript复制
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui files 'USER.ui', 'Connect.ui'
# Created by: PyQt5 UI code generator 5.15.4
# writer : Zmh

import asyncio
import logging
import os
import socket
import sys
from datetime import datetime
from threading import Thread
from time import sleep
from traceback import format_exc
from PyQt5 import QtCore, QtGui, QtWidgets
from ProgressBar import Animation
from socket_queue import SocketClient

logging.basicConfig(level=logging.DEBUG,
                    format='%(asctime)s - %(filename)s[line:%(lineno)d] - %(levelname)s: %(message)s')
TIMEOUT = 2

base = 1024
segment = base * 10  # 防止切断
bufsize = base ** 2
delay = 0.04

new_file = 0
update_file = 1
request_file = 2
normal_text = 3

loop = asyncio.get_event_loop()
file_thread = Thread(target=loop.run_forever)


def get_host_ip() -> str:
    """get current IP address"""
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        s.connect(('8.8.8.8', 80))
        ip = s.getsockname()[0]
    finally:
        s.close()
    return ip


Username = str()
dicts = {"127.0.0.1:429 (默认)": "127.0.0.1:429",
         f"103.46.128.21:51203 (公网)": "103.46.128.21:51203",
         f"{get_host_ip()}:429 (私网)": f"{get_host_ip()}:429",
         "EXAM-41:429 (微机室)": "EXAM-41:429"}


def threading(Daemon, **kwargs):
    thread = Thread(**kwargs)
    thread.setDaemon(Daemon)
    thread.start()
    return thread


def to_logging(command):
    def logs(*args, **kwargs):
        try:
            _result = command(*args, **kwargs)
            if _result is None:
                return True
            return _result
        except socket.timeout:
            return
        except (ConnectionResetError, ConnectionRefusedError, ConnectionAbortedError):
            if "main" in globals():
                main.ConnectionError_signal.emit()
            return "CLOSE"
        except:
            if "main" in globals():
                main.MessageUpdate_signal.emit(format_exc())
            else:
                logging.exception(str())
            return False

    return logs


@to_logging
def address_split(address):
    def func(ip="", port=0) -> (str, int):
        return ip, int(port)

    ip, port = func(*address.strip().split(':')[:2])
    return ip, port


class Socket(SocketClient):
    def __init__(self, Function=lambda i: None, code='utf-8'):
        super(Socket, self).__init__(code)
        self.handler = message_handle(self.send)

    def parse_argument(self, arg: str) -> str:
        return self.handler.handle(arg.strip())

    def recv(self):
        result = super(Socket, self).recv()
        if isinstance(result, str) and result:
            self._traceback(f'{result}                  <font size=1>{covert(len(result))}</font>')
        return self.isOpen()

    def forever_receive(self) -> None:
        self.handler.send_text(self.header)
        while True:
            if not self.recv():
                return

    def run(self):  # 线程
        threading(True, target=self.forever_receive)

    def quitEvent(self):
        self.__is_connect = False
        if main.is_setup:
            main.ConnectionError_signal.emit()


class login(QtWidgets.QDialog):
    def __init__(self, parent=None):
        super(login, self).__init__(parent)
        self.Fadein = Animation(self)
        self.setupUi()
        self.setWindowIcon(QtGui.QIcon("images/login.ico"))

    def destory_window(self):
        if hasattr(self, "success"):
            main.SetupUi()
        self.close()

    def closeEvent(self, event):
        if not hasattr(self, "Fadeout"):
            self.Fadeout = Animation(self, from_value=1, to_value=0, connect=self.destory_window)
            event.ignore()
        return

    def setupUi(self):
        self.setObjectName("Dialog")
        self.resize(252, 339)
        font = QtGui.QFont()
        font.setFamily("Consolas")
        self.setFont(font)
        self.setStyleSheet("QWidgetn"
                           "{border:15px;n"
                           "margin:10px;n"
                           "background-color:rgb(255, 255, 255);n"
                           "}n"
                           "QWidget#right_widgetn"
                           "{border-radius:15;}n"
                           "n"
                           "")
        self.gridLayout = QtWidgets.QGridLayout(self)
        self.gridLayout.setObjectName("gridLayout")
        self.label_3 = QtWidgets.QLabel(self)
        font = QtGui.QFont()
        font.setFamily("Adobe Arabic")
        font.setPointSize(11)
        self.label_3.setFont(font)
        self.label_3.setStyleSheet("font-color:rgb(0, 0, 0)n"
                                   "font-size:20px")
        self.label_3.setObjectName("label_3")
        self.gridLayout.addWidget(self.label_3, 2, 0, 1, 1)
        self.label_2 = QtWidgets.QLabel(self)
        self.label_2.setStyleSheet("color: rgb(99, 99, 99);")
        self.label_2.setObjectName("label_2")
        self.gridLayout.addWidget(self.label_2, 3, 0, 1, 3)
        self.label = QtWidgets.QLabel(self)
        font = QtGui.QFont()
        font.setFamily("Consolas")
        font.setPointSize(22)
        font.setBold(False)
        font.setWeight(50)
        self.label.setFont(font)
        self.label.setStyleSheet("color: rgb(0, 0, 0);")
        self.label.setObjectName("label")
        self.gridLayout.addWidget(self.label, 0, 0, 1, 3)
        self.lineEdit = QtWidgets.QLineEdit(self)
        self.lineEdit.setStyleSheet("            QLineEditn"
                                    "            {border:0px;n"
                                    "            border-radius:0;n"
                                    "            margin:10px;n"
                                    "            border-bottom: 2px solid #B3B3B3;n"
                                    "            font-family:'等线';n"
                                    "            font-size:20px;n"
                                    "            font-weight:bold;}n"
                                    "            QLineEdit:hover{n"
                                    "                border-bottom:3px solid #66A3FF;n"
                                    "            }n"
                                    "            QLineEdit:focus{n"
                                    "                border-bottom:3px solid #E680BDn"
                                    "            }")
        self.lineEdit.setClearButtonEnabled(True)
        self.lineEdit.setObjectName("lineEdit")
        self.gridLayout.addWidget(self.lineEdit, 1, 0, 1, 3)
        self.pushButton = QtWidgets.QPushButton(self)
        self.pushButton.setEnabled(False)
        self.pushButton.setAccessibleName("")
        self.pushButton.setStyleSheet("                            QPushButtonn"
                                      "                            {text-align : center;n"
                                      "                            background-color:qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:0, stop:0 #fbc2eb, stop:1 #a6c1ee);n"
                                      "                            font: bold;n"
                                      "                            border-color: grey;n"
                                      "                            border-width: 2px;n"
                                      "                            border-radius: 10px;n"
                                      "                            padding: 6px;n"
                                      "                            height: 28px;n"
                                      "                            border-style: outset;n"
                                      "                            margin-left:30px;n"
                                      "                            margin-right:30px;n"
                                      "                            font-family:'黑体';n"
                                      "                            font : 18px;}n"
                                      "n"
                                      "                            QPushButton:pressedn"
                                      "                            {text-align : center;n"
                                      "                            background-color : light gray;n"
                                      "                            background-color:qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:0, stop:0 #e1aad2, stop:1 #92adda);n"
                                      "                            font: bold;n"
                                      "                            color:lightblue;n"
                                      "                            border-color: gray;n"
                                      "                            border-width: 2px;n"
                                      "                            border-radius: 10px;n"
                                      "                            padding: 6px;n"
                                      "                            height : 28px;n"
                                      "                            border-style: outset;n"
                                      "                            font-family:'黑体';n"
                                      "                            font : 18px;}n"
                                      "                            QPushButton:hover:!pressedn"
                                      "                            {color:red;}")
        self.pushButton.setObjectName("pushButton")
        self.gridLayout.addWidget(self.pushButton, 4, 0, 1, 3)
        self.comboBox = QtWidgets.QComboBox(self)
        self.comboBox.addItems(dicts)
        self.comboBox.setStyleSheet("            QComboBoxn"
                                    "            {border:0px;n"
                                    "            border-radius:0;n"
                                    "            margin:10px;n"
                                    "            border-bottom: 2px solid #B3B3B3;n"
                                    "            font-family:'等线';n"
                                    "            font-size:20px;}n"
                                    "            QComboBox:hover{n"
                                    "                border-bottom:3px solid #66A3FF;n"
                                    "            }n"
                                    "            QComboBox:focus{n"
                                    "                border-bottom:3px solid #E680BD;n"
                                    "            }n"
                                    "")
        self.comboBox.setEditable(True)
        self.comboBox.setObjectName("comboBox")
        self.gridLayout.addWidget(self.comboBox, 2, 1, 1, 2)
        QtCore.QMetaObject.connectSlotsByName(self)
        _translate = QtCore.QCoreApplication.translate
        self.setWindowTitle(_translate("Dialog", "Login"))
        self.label_3.setText(_translate("Dialog", "连接地址"))
        self.label_2.setText(_translate("Dialog", "[!]未注册将会自动注册"))
        self.label.setText(_translate("Dialog", "Zmh server"))
        self.lineEdit.setPlaceholderText(_translate("Dialog", "用户名(3-15字符)"))
        self.pushButton.setText(_translate("Dialog", " 登录"))
        self.lineEdit.textChanged.connect(self.setEnableds)
        self.pushButton.clicked.connect(self._connect)
        self.show()  # 有动画了!

    def setEnableds(self, _):
        if 3 <= len(self.lineEdit.text().strip()) <= 15:
            self.pushButton.setEnabled(True)

    @to_logging
    def _connect(self, i):
        texts = self.comboBox.currentText()
        addr = address_split(dicts.get(texts, texts))
        if addr is False:
            QtWidgets.QMessageBox.warning(self, "Error", f"[IP地址:端口]格式不正确!")
        user = self.lineEdit.text().strip()

        self.pushButton.setEnabled(False)
        QtWidgets.QApplication.processEvents()

        s.change_address(*addr)
        s.change_header(user)
        s.set_failEvent(self.info)

        if s.connect():
            self.success = 1
            self.close()
            return

        self.pushButton.setEnabled(True)

    def info(self, text):
        QtWidgets.QMessageBox.information(self, "Login", text)

    def main_surface(self):
        main.SetupUi()
        self.destory_window()


class MainTalk(QtWidgets.QMainWindow):
    ConnectionError_signal = QtCore.pyqtSignal()
    MessageUpdate_signal = QtCore.pyqtSignal(str)

    def __init__(self):
        super(MainTalk, self).__init__()
        self.ConnectionError_signal.connect(self.ConnectionError)
        self.MessageUpdate_signal.connect(self.Show_Message)
        self.is_setup = False

    def SetupUi(self):
        self.anim = Animation(self)
        self.setObjectName("MainWindow")
        self.resize(800, 619)
        font = QtGui.QFont()
        font.setFamily("Consolas")
        self.setFont(font)
        self.centralwidget = QtWidgets.QWidget(self)
        self.centralwidget.setObjectName("centralwidget")
        self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
        self.gridLayout.setObjectName("gridLayout")
        self.lineEdit_3 = QtWidgets.QLineEdit(self.centralwidget)
        self.lineEdit_3.setReadOnly(True)
        self.lineEdit_3.setObjectName("lineEdit_3")
        self.gridLayout.addWidget(self.lineEdit_3, 7, 3, 1, 1)
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setStyleSheet("background-color:rgb(44, 176, 13);n"
                                      "color:rgb(255, 255, 255);n"
                                      "font: 200 10pt "Consolas";")
        self.pushButton.setObjectName("pushButton")
        self.gridLayout.addWidget(self.pushButton, 8, 6, 1, 1)
        spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
        self.gridLayout.addItem(spacerItem, 8, 5, 1, 1)
        self.label_2 = QtWidgets.QLabel(self.centralwidget)
        self.label_2.setObjectName("label_2")
        self.gridLayout.addWidget(self.label_2, 6, 1, 1, 1)
        spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
        self.gridLayout.addItem(spacerItem1, 8, 3, 1, 1)
        self.lineEdit_2 = QtWidgets.QLineEdit(self.centralwidget)
        self.lineEdit_2.setReadOnly(True)
        self.lineEdit_2.setObjectName("lineEdit_2")
        self.gridLayout.addWidget(self.lineEdit_2, 6, 3, 1, 1)
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setObjectName("label")
        self.gridLayout.addWidget(self.label, 5, 1, 1, 1)
        self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
        self.lineEdit.setCursor(QtGui.QCursor(QtCore.Qt.IBeamCursor))
        self.lineEdit.setDragEnabled(False)
        self.lineEdit.setReadOnly(True)
        self.lineEdit.setObjectName("lineEdit")
        self.gridLayout.addWidget(self.lineEdit, 5, 3, 1, 1)
        self.label_3 = QtWidgets.QLabel(self.centralwidget)
        self.label_3.setObjectName("label_3")
        self.gridLayout.addWidget(self.label_3, 7, 1, 1, 1)
        self.line = QtWidgets.QFrame(self.centralwidget)
        self.line.setFrameShape(QtWidgets.QFrame.VLine)
        self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
        self.line.setObjectName("line")
        self.gridLayout.addWidget(self.line, 5, 4, 3, 1)
        self.textEdit = QtWidgets.QTextEdit(self.centralwidget)
        self.textEdit.setObjectName("textEdit")
        self.gridLayout.addWidget(self.textEdit, 5, 5, 3, 2)
        spacerItem2 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
        self.gridLayout.addItem(spacerItem2, 1, 1, 1, 1)
        self.textEdit_2 = QtWidgets.QTextBrowser(self.centralwidget)
        self.textEdit_2.setObjectName("textEdit_2")
        self.textEdit_2.setReadOnly(True)
        self.gridLayout.addWidget(self.textEdit_2, 0, 3, 2, 4)
        self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_2.setObjectName("pushButton_2")
        #
        self.sendButton = QtWidgets.QPushButton(QtGui.QIcon("images/upload.png"), "上传文件", self.centralwidget)
        self.sendButton.setObjectName("send - pushButton")
        self.gridLayout.addWidget(self.sendButton, 8, 5)
        #
        self.gridLayout.addWidget(self.pushButton_2, 8, 1, 1, 1)
        self.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(self)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 24))
        self.menubar.setObjectName("menubar")
        self.menu = QtWidgets.QMenu(self.menubar)
        self.menu.setObjectName("menu")
        self.menulanguage = QtWidgets.QMenu(self.menu)
        self.menulanguage.setObjectName("menulanguage")
        self.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(self)
        self.statusbar.setObjectName("statusbar")
        self.setStatusBar(self.statusbar)
        self.actionsocket_connet = QtWidgets.QAction(self)
        self.actionsocket_connet.setObjectName("actionsocket_connet")
        self.actionChinese = QtWidgets.QAction(self)
        self.actionChinese.setObjectName("actionChinese")
        self.actionip_socket_gethostbyname_socket_gethostname = QtWidgets.QAction(self)
        self.actionip_socket_gethostbyname_socket_gethostname.setObjectName(
            "actionip_socket_gethostbyname_socket_gethostname")
        self.menulanguage.addSeparator()
        self.menulanguage.addAction(self.actionChinese)
        self.menu.addSeparator()
        self.menu.addAction(self.menulanguage.menuAction())
        self.menu.addAction(self.actionip_socket_gethostbyname_socket_gethostname)
        self.menubar.addAction(self.menu.menuAction())
        self.socket_peername = s.addr[0]
        self.retranslateUi()
        QtCore.QMetaObject.connectSlotsByName(self)
        self.pushButton.clicked.connect(self.send("MSG"))
        self.pushButton_2.clicked.connect(self.re_connect)
        self.textEdit.textChanged.connect(self.tc)
        self.textEdit_2.setOpenLinks(False)
        self.textEdit_2.setOpenExternalLinks(False)
        self.textEdit_2.anchorClicked.connect(self.anchor)
        self.sendButton.clicked.connect(self.send("FILE"))
        self.connectEnabled(True)
        self.is_setup = True
        self.show()

    def anchor(self, res: QtCore.QUrl):
        index = res.toString()
        s.handler.request_file(index)

    @to_logging
    def sendfile(self):
        for file in QtWidgets.QFileDialog.getOpenFileNames(self, "上传文件")[0]:
            if os.path.isfile(file):
                s.handler.send(file)

    @to_logging
    def sendmsg(self):
        s.handler.send_text(self.textEdit.toPlainText().strip())
        self.textEdit.clear()

    def tc(self, _=0):
        if 0 < len(self.textEdit.toPlainText().strip()) <= 1000:
            self.pushButton.setEnabled(True)
        else:
            self.pushButton.setEnabled(False)
        self.pushButton.setText(
            QtCore.QCoreApplication.translate("MainWindow", f"发送({len(self.textEdit.toPlainText().strip())} / 1000)"))

    def send(self, type):
        _call = {"MSG": self.sendmsg, "FILE": self.sendfile}.get(type, lambda: True)

        @to_logging
        def function(_):
            if s.is_connect():
                if not _call():
                    self.ConnectionError_signal.emit()
            else:
                self.MessageUpdate_signal.emit("<font color='red'>发送异常. 未连接至服务器.请点击[重新连接服务器]按钮尝试重新连接.</font>")

        return function

    def ConnectionError(self):
        QtWidgets.QMessageBox.information(self, 'TraceBack', f'Socket Server<{self.socket_peername}> 断开连接')
        self.connectEnabled(False)

    def retranslateUi(self):
        _translate = QtCore.QCoreApplication.translate
        self.setWindowTitle(_translate("MainWindow", "Socket"))
        self.lineEdit_2.setText(socket.gethostname())
        self.lineEdit.setText(socket.gethostbyname(socket.gethostname()))
        self.lineEdit_3.setText(self.socket_peername)
        self.tc()
        self.label_2.setText(_translate("MainWindow", "主机名:"))
        self.label.setText(_translate("MainWindow", "本地端口:"))
        self.label_3.setText(_translate("MainWindow", "连接端口:"))
        self.pushButton_2.setText(_translate("MainWindow", "重新连接服务器"))
        self.menu.setTitle(_translate("MainWindow", "设置"))
        self.menulanguage.setTitle(_translate("MainWindow", "language"))
        self.actionsocket_connet.setText(_translate("MainWindow", "socket connect"))
        self.actionChinese.setText(_translate("MainWindow", "Chinese"))
        self.MessageUpdate_signal.emit(f'<font color="red">欢迎来到服务器[{s.socket.getpeername()[0]}].您的ip地址为{s.addr[0]}')
        self.actionip_socket_gethostbyname_socket_gethostname.setText(
            _translate("MainWindow", "ip: "   socket.gethostbyname(socket.gethostname())))
        s.set_failEvent(self.MessageUpdate_signal.emit)
        s.run()

    @to_logging
    def re_connect(self, _):
        self.MessageUpdate_signal.emit(
            "[{}]: 尝试连接服务器[{}],最大超时报错 {}s".format(datetime.now().strftime('%Y %m %d %H:%M:%S'), s.addr[0], TIMEOUT))
        QtWidgets.QApplication.processEvents()

        s.set_failEvent(self.MessageUpdate_signal.emit)
        status = s.connect()
        self.connectEnabled(status)
        if status:
            s.run()

    def connectEnabled(self, status):
        self.pushButton_2.setEnabled(not status)

    def Show_Message(self, data: str) -> None:
        # self.MessageUpdate_signal -> [signal]; self.MessageUpdate_signal.emit(self, *args, **kwargs). #
        if data:
            for i in data.split('n'):
                if i:
                    sleep(0.06 / len(data.split('n')))  # 防止信息过快使Textedit刷新空白
                    self.textEdit_2.append(i)
        self.textEdit_2.moveCursor(QtGui.QTextCursor.End)


def save_bytes(file, byte: bytes):
    with open(file, "wb") as f:
        f.write(byte)


def get_eval(str, defined=None):
    try:
        res = eval(str)
        if isinstance(res, type(defined)):
            return res
        raise TypeError
    except:
        return defined


class SEND:
    def __init__(self, index, name, fbytes: bytes, conn: callable, encode='utf8', localfile=""):
        self.segs = self.cut(fbytes)
        self.encode = encode
        self.total = len(self.segs)
        self.index = index
        self.conn = conn
        self.finish = False
        self.name = name
        self.size = len(fbytes)
        asyncio.run_coroutine_threadsafe(self.update(), loop)
        self.fd_index = len(file_dialog.filedict)  # pyqtSignal无返回值
        file_dialog.new_file.emit([self.name, self.total, self.size, (file_dialog.UPLOAD, localfile)])

    async def update(self):
        self.conn(self.header().encode(self.encode))
        for n, data in enumerate(self.segs):
            file_dialog.update_file.emit(self.fd_index)
            self.conn(self.format(n, data).encode(self.encode))
            await asyncio.sleep(delay)
        self.finish = True

    def cut(self, byte: bytes, seg=segment) -> list:
        return [byte[x:x   seg] for x in range(0, len(byte), seg)]

    def format(self, process, data) -> str:
        return repr((update_file, (self.index, process, data)))

    def header(self) -> str:
        return repr((new_file, (self.index,
                                self.name,
                                self.total,
                                self.size)
                     ))


class RECV:
    def __init__(self, index: int, name: str, total: int, size: int):
        self.index, self.name, self.total, self.size = index, name, total, size
        self.progress = -1
        self.file = []
        self.finish = False
        self.fd_index = len(file_dialog.filedict)  # pyqtSignal无返回值
        file_dialog.new_file.emit(
            [self.name, self.total, self.size, (file_dialog.DOWNLOAD, os.path.join(save_path, self.name))])

    def update(self, p, data):
        if isinstance(p, int) and p - 1 == self.progress:
            self.progress = p
            self.file.append(data)

            file_dialog.update_file.emit(self.fd_index)
            if len(self.file) == self.total:
                self.finish = True
                return True

    def mix(self):
        return b''.join(self.file)

    def save(self, path, ):
        if self.finish:
            b = self.mix()
            save_bytes(os.path.join(path, self.name), b)
            self.__save = os.path.join(path, self.name)
            del self.file  # 释放空间
            return True
        return False

    def savepath(self) -> (str, bool):
        if self.finish:
            return self.__save
        return False

    def start(self):
        if self.finish:
            os.startfile(self.savepath())


class send_files:
    def __init__(self, encode='utf8'):
        self.sends = []
        self.encode = encode

    def new_sends(self, name, file, conn, locfile=""):
        if type(file) == str:
            file = file.encode(self.encode)
        self.sends.append(SEND(len(self.sends), name, file, conn,
                               localfile=locfile))  # index: len(self.sends)-1 1  => len(self.sends)

    def localfile(self, file, conn):
        if os.path.isfile(file):
            _, name = os.path.split(file)
            with open(file, "rb") as f:
                file = f.read()
            self.new_sends(name, file, conn, name)


class recv_files:
    def __init__(self, decode='utf8', path=None):
        self.recvs = []
        self.decode = decode
        if path is None:
            path = sys.path[0]
        self.path = path

    def new_files(self, index, name, total, size):
        self.recvs.append(RECV(index, name, total, size))

    def get_index(self,
                  index: int) -> RECV:  # 致命bug, 如若用self.recvs[index] 排序方法不一, 用户端不可能从第一个文件开始请求, 然后排着序请求1,2,3,4,5,6... 一个不能少, 所以用以下方法
        for x in self.recvs:
            if x.index == index:
                return x

    def in_list(self, index) -> bool:
        return bool(self.get_index(index))

    def update(self, index, progess, data) -> bool:
        if self.in_list(index):
            if self.get_index(index).update(progess, data):
                return self.save(index)

    def save(self, index):
        if self.in_list(index):
            return self.get_index(index).save(self.path)


class message_handle:
    codec = "utf8"

    def __init__(self, func: callable = lambda _: True):
        self.Sender = send_files(self.codec, )
        self.Receiver = recv_files(self.codec, save_path)
        self.func = func
        self.Progress = []

    def handle(self, data):
        _res = get_eval(data, (None,))
        if len(_res) == 2:
            type, arguments = _res
            if type == new_file:
                self.Receiver.new_files(*arguments)
            elif type == update_file:
                self.Receiver.update(*arguments)
            elif type == request_file:
                path = self.Receiver.get_index(arguments).savepath()
                if path:
                    self.Sender.localfile(path, self.func)  # 如若无, 报错False
            elif type == normal_text:
                return arguments

    def send(self, sendpath):
        return self.Sender.localfile(sendpath, self.func)

    def send_text(self, mes: str):
        return self.func(repr((normal_text, mes)).encode(self.codec))

    def request_file(self, name):
        index = get_eval(name, 0)
        if self.in_list(index):
            self.get_index(index).start()
            return
        self.func(repr((request_file, index)).encode(self.codec))

    def get_index(self, index) -> RECV:
        return self.Receiver.get_index(index)

    def in_list(self, index):
        return self.Receiver.in_list(index)


def covert(byte, fine=False):
    """
    位 bit (比特)(Binary Digits):存放一位二进制数,即 0 或 1,最小的存储单位。
    字节 byte:8个二进制位为一个字节(B),最常用的单位。
    其中1024=2^10 ( 2 的10次方),
    1KB (Kilobyte 千字节)=1024B,
    1MB (Megabyte 兆字节 简称“兆”)=1024KB,
    1GB (Gigabyte 吉字节 又称“千兆”)=1024MB,
    1TB (Trillionbyte 万亿字节 太字节)=1024GB,
    1PB(Petabyte 千万亿字节 拍字节)=1024TB,
    1EB(Exabyte 百亿亿字节 艾字节)=1024PB,
    1ZB (Zettabyte 十万亿亿字节 泽字节)= 1024 EB,
    1YB (Jottabyte 一亿亿亿字节 尧字节)= 1024 ZB,
    1BB (Brontobyte 一千亿亿亿字节)= 1024 YB.
    「山木兮」"""
    if not isinstance(byte, (int, float)):
        byte = len(byte)
    DEI = f"{byte} 字节"
    base = 1024
    units = ["b",
             "Kb",
             "Mb",
             "Gb",
             "Tb",
             "Pb",
             "Eb"]
    index = 0
    while True:
        if byte < 1024 or index   1 >= len(units):
            break
        byte /= base
        index  = 1

    if index == 0:
        return DEI
    else:
        if fine:
            return "%0.1f%s(%s)" % (byte, units[index], DEI)
        else:
            return "%0.1f%s" % (byte, units[index])


class ListWidgetLayout(QtWidgets.QWidget):
    def __init__(self, name, total, parent=None):
        super(ListWidgetLayout, self).__init__(parent)

        hbox = QtWidgets.QHBoxLayout(self)
        hbox.addWidget(QtWidgets.QLabel(name, self))
        progress = QtWidgets.QProgressBar()
        progress.setMaximum(total)
        progress.setStyleSheet("QProgressBar{n"
                               "text-align: center;n"
                               "}")
        hbox.addWidget(progress)
        progress.setTextVisible(True)
        progress.setRange(0, 0)
        self.total = total
        self.index = 0
        ## 最大值和最小值如果都是0, 则进入繁忙提示
        # https://blog.csdn.net/weixin_43496130/article/details/104238051?ops_request_misc=%7B%22request%5Fid%22%3A%22165251738516782395331630%22%2C%22scm%22%3A%2220140713.130102334..%22%7D&request_id=165251738516782395331630&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-2-104238051-null-null.142^v9^pc_search_result_control_group,157^v4^control&utm_term=pyqt5 qprogressbar&spm=1018.2226.3001.4187
        self.progress = progress
        self.setLayout(hbox)

        font = QtGui.QFont()
        font.setFamily("Consolas")
        self.setFont(font)
        progress.setFont(font)

    def get_progress(self) -> QtWidgets.QProgressBar:
        return self.progress

    def is_finished(self) -> bool:
        return bool(self.index >= self.total)

    def update(self) -> None:
        if self.index == 0:
            self.progress.setMaximum(self.total)
        if self.is_finished():
            return
        self.index  = 1
        self.progress.setValue(self.index)

    def get_total(self) -> int:
        return self.total

    def get_index(self) -> int:
        return self.index


class FileDialog(QtWidgets.QDialog):
    update_file = QtCore.pyqtSignal(int)
    new_file = QtCore.pyqtSignal(list)

    def __init__(self, save_path, parent=None):
        self.current = ""
        super(FileDialog, self).__init__(parent)
        self.icon = QtGui.QIcon("images/file.png")
        self.download = QtGui.QIcon("images/download.png")
        self.upload = QtGui.QIcon("images/upload.png")
        self.DOWNLOAD = 0
        self.UPLOAD = 1
        self.LOAD_dict = {self.DOWNLOAD: self.download,
                          self.UPLOAD: self.upload}

        self.setWindowFlags(QtCore.Qt.WindowMinimizeButtonHint)  # 只显示最小化按钮
        self.save_path = save_path
        self.filedict = {}
        self.pathdict = {}
        self.namedict = {}
        self.update_file.connect(self.fileUpdate)
        self.new_file.connect(self.newFile)
        self.setObjectName("Dialog")
        self.resize(666, 421)
        font = QtGui.QFont()
        font.setFamily("Consolas")
        self.setFont(font)
        self.setWindowIcon(self.icon)
        self.gridLayout = QtWidgets.QGridLayout(self)
        self.gridLayout.setObjectName("gridLayout")
        self.label_4 = QtWidgets.QLabel(self)
        self.label_4.setObjectName("label_4")
        self.gridLayout.addWidget(self.label_4, 1, 2, 1, 1)
        self.listWidget_2 = QtWidgets.QListWidget(self)
        self.listWidget_2.setObjectName("listWidget_2")
        self.gridLayout.addWidget(self.listWidget_2, 0, 0, 4, 1)
        self.groupBox = QtWidgets.QGroupBox(self)
        self.groupBox.setObjectName("groupBox")
        self.gridLayout_2 = QtWidgets.QGridLayout(self.groupBox)
        self.gridLayout_2.setObjectName("gridLayout_2")
        self.label = QtWidgets.QLabel(self.groupBox)
        self.label.setObjectName("label")
        self.gridLayout_2.addWidget(self.label, 1, 0, 1, 2)
        self.progressBar = QtWidgets.QProgressBar(self.groupBox)
        font = QtGui.QFont()
        font.setFamily("Consolas")
        self.progressBar.setFont(font)
        self.progressBar.setProperty("value", 0)
        self.progressBar.setTextVisible(True)
        self.progressBar.setObjectName("progressBar")
        self.gridLayout_2.addWidget(self.progressBar, 0, 0, 1, 2)
        self.label_3 = QtWidgets.QLabel(self.groupBox)
        self.label_3.setObjectName("label_3")
        self.gridLayout_2.addWidget(self.label_3, 2, 0, 1, 2)
        self.pushButton = QtWidgets.QPushButton(self.groupBox)
        self.pushButton.setObjectName("pushButton")
        self.pushButton.setEnabled(False)
        self.gridLayout_2.addWidget(self.pushButton, 4, 0, 1, 1)
        self.label_2 = QtWidgets.QLabel(self.groupBox)
        self.label_2.setObjectName("label_2")
        self.gridLayout_2.addWidget(self.label_2, 3, 0, 1, 2)
        self.pushButton_2 = QtWidgets.QPushButton(self.groupBox)
        self.pushButton_2.setObjectName("pushButton_2")
        self.gridLayout_2.addWidget(self.pushButton_2, 4, 1, 1, 1)
        self.gridLayout.addWidget(self.groupBox, 0, 2, 1, 1)
        self.lineEdit = QtWidgets.QLineEdit(self)
        self.lineEdit.setReadOnly(True)
        self.lineEdit.setObjectName("lineEdit")
        self.gridLayout.addWidget(self.lineEdit, 2, 2, 1, 1)
        self.line = QtWidgets.QFrame(self)
        self.line.setFrameShape(QtWidgets.QFrame.VLine)
        self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
        self.line.setObjectName("line")
        self.gridLayout.addWidget(self.line, 0, 1, 4, 1)
        spacerItem = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
        self.gridLayout.addItem(spacerItem, 3, 2, 1, 1)

        self.retranslateUi()
        QtCore.QMetaObject.connectSlotsByName(self)

    def retranslateUi(self):
        _translate = QtCore.QCoreApplication.translate
        self.setWindowTitle(_translate("Dialog", "Files"))
        self.pushButton.setText(_translate("Dialog", "打开"))
        self.pushButton_2.setText(_translate("Dialog", "打开文件夹"))
        self.pushButton.clicked.connect(self.startfile)
        self.pushButton_2.clicked.connect(self.startpath)
        self.label_4.setText(_translate("Dialog", f"下载位置:"))
        self.lineEdit.setText(_translate("Dialog", self.save_path))

        self.listWidget_2.itemClicked.connect(self.fileChanged)

    def newFile(self, args: list):
        self.activateWindow()  # 窗口置顶

        index = len(self.filedict)
        name, total, size, (type, path) = args

        png = self.LOAD_dict.get(type, self.UPLOAD)
        layout = ListWidgetLayout(name, total)
        progress = layout.get_progress()
        self.filedict[index] = (layout, size)
        self.pathdict[index] = path
        Item = QtWidgets.QListWidgetItem(png, "", self.listWidget_2)
        Item.index_name = index  # <-
        Item.setSizeHint(QtCore.QSize(200, 40))
        self.listWidget_2.addItem(Item)
        self.listWidget_2.setItemWidget(Item, layout)

        self.namedict[index] = name
        # if not self.current:
        #    self.changeCurrent(0)
        self.changeCurrent(index)

    def changeCurrent(self, index: int):
        self.current = index
        self.changeGroupBox()
        self.show()

    def fileChanged(self, widget: QtWidgets.QListWidgetItem):
        self.current = widget.index_name
        self.changeGroupBox()

    def changeGroupBox(self):
        name = self.namedict[self.current]
        layout, size = self.filedict[self.current]
        layout: ListWidgetLayout
        size = covert(size, True)
        _translate = QtCore.QCoreApplication.translate
        self.groupBox.setTitle(_translate("Dialog", f"{name}"))
        self.label.setText(_translate("Dialog", f"文件大小: {size}"))
        self.label_3.setText(_translate("Dialog", f"文件名: {name}"))
        self.label_2.setText(_translate("Dialog", f"位置: {os.path.join(self.save_path, name)}"))

        self.progressBar.setMaximum(layout.get_total())
        self.progressBar.setValue(layout.get_index())
        self.pushButton.setEnabled(layout.is_finished())
        self.fpath = self.pathdict[self.current]
        self.path = os.path.dirname(self.fpath)

    def fileUpdate(self, index: int):
        layout, size = self.filedict[index]
        layout: ListWidgetLayout
        layout.update()
        if index == self.current:
            self.changeGroupBox()

    def startfile(self, _):
        if hasattr(self, "fpath") and os.path.isfile(self.fpath):
            os.startfile(self.fpath)

    def startpath(self, _):
        if hasattr(self, "path") and os.path.isdir(self.path):
            os.startfile(self.path)


save_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "resource")
if not os.path.isdir(save_path):
    os.makedirs(save_path)
if __name__ == "__main__":
    file_thread.start()
    s = Socket()

    app = QtWidgets.QApplication(sys.argv)
    conn = login()
    main = MainTalk()
    file_dialog = FileDialog(save_path)
    sys.exit(app.exec_())

socket_queue.py

代码语言:javascript复制
import socket
from datetime import datetime

get_time = lambda: datetime.now().strftime('%H:%M:%S')
TIMEOUT = 2


def ignore(function):
    def func(*args, **kwargs):
        try:
            return function(*args, **kwargs)
        except:
            pass

    return func


class SocketQueue:
    split_text = "n"  # 类变量, 默认分隔符为回车(n)

    class QuitError(ConnectionError):
        pass

    def __init__(self, sock=socket.socket(), bufsize=1024, codec="utf8"):
        self.socket, self.bufsize, self.codec = sock, bufsize, codec
        self.waitKey = str()
        self.ReadyQueue = []
        self._closed = False

    def re_setup(self):
        self.waitKey = str()
        self.ReadyQueue = []
        self._closed = False

    def __close__(self):
        self.quit()

    def __del__(self):
        self.quit()

    def isOpen(self) -> bool:
        return not (self._closed and getattr(self.socket, "_closed", False))

    def quitEvent(self) -> None:
        pass

    def quit(self) -> None:
        if not self._closed:
            self._closed = True
            self.quitEvent()
            self.socket.close()

    def normal_text(self, string: str):
        return string.encode(self.codec)

    def __recv(self) -> (bytes, ConnectionError):
        try:
            data = self.socket.recv(self.bufsize).strip(b" ")  # str.strip()不可用! 会将n省略
            if data:
                self.parse_data(self.handle(data))
        except (ConnectionAbortedError, ConnectionRefusedError, ConnectionResetError, OSError) as e:
            if isinstance(e, socket.timeout):
                return
            self.quit()
            return self.QuitError

    def __send(self, data: bytes) -> bool:
        try:
            self.socket.sendall(data)
            return True
        except (ConnectionAbortedError, ConnectionRefusedError, ConnectionResetError, OSError) as e:
            self.quit()
            return False

    def send(self, data) -> bool:
        if isinstance(data, str):
            data = self.normal_text(data)
        elif isinstance(data, (set, list, tuple)):
            data = repr(data).encode(self.codec)
        elif isinstance(data, (int, float)):
            data = str(data).encode(self.codec)
        elif isinstance(data, bytes):
            pass
        else:
            data = bytes(data)
        return self.__send(data   self.split_text.encode(self.codec))

    def input(self, text):
        self.send(text)
        return self.recv()

    def forever_receive(self) -> (str, None):
        while self.isOpen():
            self.recv()

    def handle(self, data: bytes):
        return [d.strip() for d in data.decode(self.codec).split(self.split_text)]

    @ignore
    def parse_data(self, generator: (tuple, list, set)) -> None:
        generator = list(generator)
        if len(generator) == 1:  # 列表为1, 表明无间隔符, 则在等待中添加.
            self.waitKey  = generator[0]
            return
        self.ReadyQueue.append(self.waitKey   generator.pop(0))
        self.waitKey = generator.pop()
        self.ReadyQueue.extend(generator)

    def recv(self) -> (str, Exception):
        while True:
            while (not self.ReadyQueue) and self.isOpen():
                self.__recv()
            if not self.isOpen():
                return self.QuitError
            data = self.parse_argument(self.ReadyQueue.pop(0))
            if isinstance(data, str) and data:
                return data

    def parse_argument(self, arg: str) -> str:
        return arg.strip()

    def recv_list(self) -> list:
        queue = self.ReadyQueue[:]
        self.ReadyQueue = []
        return queue

    @ignore
    def connect(self, host: str, port: int):
        assert 0 <= port <= (2 ** 16) - 1
        self.socket.connect((host, port))


def err_connect(sock, addr: tuple) -> (str, bool):
    try:
        sock.connect(addr)
    except socket.gaierror:
        return f"获取地址信息失败.请确保{addr[0]}是有效地址或ipv4/ipv6"
    except socket.timeout:
        return f"连接超时({TIMEOUT}s).服务器[{addr[0]}:{addr[1]}]连接失败."
    except OverflowError:
        return f"输入的端口号为{addr[1]},端口号必须在0~65535间."
    except (ConnectionError, ConnectionResetError, ConnectionRefusedError, ConnectionAbortedError):
        return "请求拒绝."
    except OSError as e:
        if int(addr[1]) == 0:
            return "[WinError 10049] 在其上下文中,该请求的地址无效"
        return str(e.args[1]).rstrip('。')
    except TypeError:
        return f"网络地址格式错误: 格式[ip:port] port必须为整型变量0~65535间."
    except:
        return "连接错误"
    else:
        return True


class SocketClient(SocketQueue):
    addr = "localhost", 429
    header = ""

    def __init__(self, addr, *args, **kwargs):
        super(SocketClient, self).__init__(*args, **kwargs)
        self.socket.settimeout(TIMEOUT)
        self.connected = False
        self.__is_connect = False

        self._traceback = lambda *_: None

    def is_connect(self) -> bool:
        return self.__is_connect

    def change_address(self, host: str, port: int):
        self.addr = host, port

    def change_header(self, header: str):
        self.header = header

    def set_failEvent(self, function):
        self._traceback = function

    def failEvent(self, reason):
        self._traceback(f"[{get_time()}]: {reason}")

    def connect(self):
        if self.connected:
            self.socket = socket.socket()
            self.socket.settimeout(TIMEOUT)
            self.re_setup()
        self.connected = True

        _res = err_connect(self.socket, self.addr)
        if _res is True:
            self.__is_connect = True
        else:
            self.failEvent(_res)
            self.__is_connect = False
        return self.__is_connect

    def quitEvent(self) -> None:
        self.__is_connect = False

file.py

代码语言:javascript复制
# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'file.ui'
#
# Created by: PyQt5 UI code generator 5.15.4
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again.  Do not edit this file unless you know what you are doing.
import sys

from PyQt5 import QtCore, QtGui, QtWidgets
import os
def covert(byte, fine=False):
    """
    位 bit (比特)(Binary Digits):存放一位二进制数,即 0 或 1,最小的存储单位。
    字节 byte:8个二进制位为一个字节(B),最常用的单位。
    其中1024=2^10 ( 2 的10次方),
    1KB (Kilobyte 千字节)=1024B,
    1MB (Megabyte 兆字节 简称“兆”)=1024KB,
    1GB (Gigabyte 吉字节 又称“千兆”)=1024MB,
    1TB (Trillionbyte 万亿字节 太字节)=1024GB,
    1PB(Petabyte 千万亿字节 拍字节)=1024TB,
    1EB(Exabyte 百亿亿字节 艾字节)=1024PB,
    1ZB (Zettabyte 十万亿亿字节 泽字节)= 1024 EB,
    1YB (Jottabyte 一亿亿亿字节 尧字节)= 1024 ZB,
    1BB (Brontobyte 一千亿亿亿字节)= 1024 YB.
    「山木兮」"""
    if not isinstance(byte, (int, float)):
        byte = len(byte)
    DEI = f"{byte} 字节"
    base = 1024
    units = ["b",
             "Kb",
             "Mb",
             "Gb",
             "Tb",
             "Pb",
             "Eb"]
    index = 0
    while True :
        if byte < 1024 or index   1 >= len(units):
            break
        byte /= base;index  = 1

    if index == 0:
        return DEI
    else:
        if fine:
            return "%0.1f%s(%s)" % (byte, units[index], DEI)
        else:
            return "%0.1f%s" % (byte, units[index])
class ListWidgetLayout(QtWidgets.QWidget):
    def __init__(self, name, total, parent=None):
        super(ListWidgetLayout, self).__init__(parent)

        hbox = QtWidgets.QHBoxLayout(self)
        hbox.addWidget(QtWidgets.QLabel(name, self))
        progress = QtWidgets.QProgressBar()
        progress.setMaximum(total)
        progress.setStyleSheet("QProgressBar{n"
                               "text-align: center;n"
                               "}")
        hbox.addWidget(progress)
        progress.setTextVisible(True)
        progress.setRange(0 , 0)
        self.total = total
        self.index = 0
        ## 最大值和最小值如果都是0, 则进入繁忙提示
        #https://blog.csdn.net/weixin_43496130/article/details/104238051?ops_request_misc=%7B%22request%5Fid%22%3A%22165251738516782395331630%22%2C%22scm%22%3A%2220140713.130102334..%22%7D&request_id=165251738516782395331630&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-2-104238051-null-null.142^v9^pc_search_result_control_group,157^v4^control&utm_term=pyqt5 qprogressbar&spm=1018.2226.3001.4187
        self.progress = progress
        self.setLayout(hbox)

        font = QtGui.QFont()
        font.setFamily("Consolas")
        self.setFont(font)
        progress.setFont(font)
    def get_progress(self) -> QtWidgets.QProgressBar:
        return self.progress
    def is_finished(self) -> bool:
        return bool(self.index >= self.total)
    def update(self) -> None:
        if self.index == 0:
            self.progress.setMaximum(self.total)
        if self.is_finished():
            return
        self.index  = 1
        self.progress.setValue(self.index)
    def get_total(self) -> int:
        return self.total
    def get_index(self) -> int:
        return self.index
class FileDialog(QtWidgets.QDialog):
    update_file = QtCore.pyqtSignal(str)
    new_file = QtCore.pyqtSignal(list)
    def __init__(self,save_path, parent=None):
        self.current = ""

        super(FileDialog, self).__init__(parent)

        self.setWindowFlags(QtCore.Qt.WindowMinimizeButtonHint) #只显示最小化按钮
        self.save_path = save_path
        self.filedict = {}
        self.namedict = {}
        self.update_file.connect(self.fileUpdate)
        self.new_file.connect(self.newFile)
        self.setObjectName("Dialog")
        self.resize(666, 421)
        font = QtGui.QFont()
        font.setFamily("Consolas")
        self.setFont(font)
        icon = QtGui.QIcon.fromTheme("fusion")
        self.setWindowIcon(icon)
        self.gridLayout = QtWidgets.QGridLayout(self)
        self.gridLayout.setObjectName("gridLayout")
        self.label_4 = QtWidgets.QLabel(self)
        self.label_4.setObjectName("label_4")
        self.gridLayout.addWidget(self.label_4, 1, 2, 1, 1)
        self.listWidget_2 = QtWidgets.QListWidget(self)
        self.listWidget_2.setObjectName("listWidget_2")
        self.gridLayout.addWidget(self.listWidget_2, 0, 0, 4, 1)
        self.groupBox = QtWidgets.QGroupBox(self)
        self.groupBox.setObjectName("groupBox")
        self.gridLayout_2 = QtWidgets.QGridLayout(self.groupBox)
        self.gridLayout_2.setObjectName("gridLayout_2")
        self.label = QtWidgets.QLabel(self.groupBox)
        self.label.setObjectName("label")
        self.gridLayout_2.addWidget(self.label, 1, 0, 1, 2)
        self.progressBar = QtWidgets.QProgressBar(self.groupBox)
        font = QtGui.QFont()
        font.setFamily("Consolas")
        self.progressBar.setFont(font)
        self.progressBar.setProperty("value", 0)
        self.progressBar.setTextVisible(True)
        self.progressBar.setObjectName("progressBar")
        self.gridLayout_2.addWidget(self.progressBar, 0, 0, 1, 2)
        self.label_3 = QtWidgets.QLabel(self.groupBox)
        self.label_3.setObjectName("label_3")
        self.gridLayout_2.addWidget(self.label_3, 2, 0, 1, 2)
        self.pushButton = QtWidgets.QPushButton(self.groupBox)
        self.pushButton.setObjectName("pushButton")
        self.pushButton.setEnabled(False)
        self.gridLayout_2.addWidget(self.pushButton, 4, 0, 1, 1)
        self.label_2 = QtWidgets.QLabel(self.groupBox)
        self.label_2.setObjectName("label_2")
        self.gridLayout_2.addWidget(self.label_2, 3, 0, 1, 2)
        self.pushButton_2 = QtWidgets.QPushButton(self.groupBox)
        self.pushButton_2.setObjectName("pushButton_2")
        self.gridLayout_2.addWidget(self.pushButton_2, 4, 1, 1, 1)
        self.gridLayout.addWidget(self.groupBox, 0, 2, 1, 1)
        self.lineEdit = QtWidgets.QLineEdit(self)
        self.lineEdit.setReadOnly(True)
        self.lineEdit.setObjectName("lineEdit")
        self.gridLayout.addWidget(self.lineEdit, 2, 2, 1, 1)
        self.line = QtWidgets.QFrame(self)
        self.line.setFrameShape(QtWidgets.QFrame.VLine)
        self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
        self.line.setObjectName("line")
        self.gridLayout.addWidget(self.line, 0, 1, 4, 1)
        spacerItem = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
        self.gridLayout.addItem(spacerItem, 3, 2, 1, 1)

        self.retranslateUi()
        QtCore.QMetaObject.connectSlotsByName(self)

    def retranslateUi(self):
        _translate = QtCore.QCoreApplication.translate
        self.setWindowTitle(_translate("Dialog", "Files"))
        self.pushButton.setText(_translate("Dialog", "打开"))
        self.pushButton_2.setText(_translate("Dialog", "打开文件夹"))
        self.pushButton.clicked.connect(self.startfile)
        self.pushButton_2.clicked.connect(self.startpath)
        self.label_4.setText(_translate("Dialog", f"下载位置:"))
        self.lineEdit.setText(_translate("Dialog", self.save_path))

        self.listWidget_2.itemClicked.connect(self.fileChanged)
    
    def newFile(self, args:list):
        index = len(self.filedict)
        name, total, size = args
        layout = ListWidgetLayout(name, total)
        progress = layout.get_progress()
        self.filedict[index] = (layout, size)
        Item = QtWidgets.QListWidgetItem(QtGui.QIcon("file.png"),"",self.listWidget_2)
        Item.myname = index # <-
        Item.setSizeHint(QtCore.QSize(200, 40))
        self.listWidget_2.addItem(Item)
        self.listWidget_2.setItemWidget(Item, layout)

        self.namedict[index] = name
        if not self.current:
            self.current = 0
            self.changeGroupBox()
            self.show()
    
    def fileChanged(self, widget:QtWidgets.QListWidgetItem):
        self.current = widget.myname
        self.changeGroupBox()


    def changeGroupBox(self):
        name = self.namedict[self.current]
        layout, size = self.filedict[self.current]
        layout: ListWidgetLayout
        size = covert(size, True)
        _translate = QtCore.QCoreApplication.translate
        self.groupBox.setTitle(_translate("Dialog", f"{name}"))
        self.label.setText(_translate("Dialog", f"文件大小: {size}"))
        self.label_3.setText(_translate("Dialog", f"文件名: {name}"))
        self.label_2.setText(_translate("Dialog", f"位置: {os.path.join(self.save_path, name)}"))

        self.progressBar.setMaximum(layout.get_total())
        self.progressBar.setValue(layout.get_index())
        self.pushButton.setEnabled(layout.is_finished())
        self.fpath = os.path.join(self.save_path, name)
    
    def fileUpdate(self, index:int):
        print(index)
        layout,size = self.filedict[index]
        layout: ListWidgetLayout
        layout.update()
        if index == self.current:
            self.changeGroupBox()
    def startfile(self, _):

        if hasattr(self, "fpath") and os.path.isfile(self.fpath):
            os.startfile(self.fpath)
    def startpath(self, _):
        if os.path.isdir(self.save_path):
            os.startfile(self.save_path)
if __name__ == "__main__":
    app = QtWidgets.QApplication([])
    a = FileDialog("")
    a.new_file.emit(["asdf",10,100])
    sys.exit(app.exec_())

ProgressBar.py

代码语言:javascript复制
import logging
import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
import math
from threading import Thread
font_name = "Share-TechMono"

def threading(Daemon, **kwargs):
    thread = Thread(**kwargs)
    thread.setDaemon(Daemon)
    thread.start()
    return thread

def Animation(parent, type=b"windowOpacity", from_value=0, to_value=1, ms=1000, connect=None):
    anim = QPropertyAnimation(parent, type)
    anim.setDuration(ms)
    anim.setStartValue(from_value)
    anim.setEndValue(to_value)
    if connect:
        anim.finished.connect(connect)
    anim.start()
    return anim
class ProgressThread(QThread):
    signal = pyqtSignal(int)
class QProgress(QWidget):
    fsize = 10
    bg_color = QColor("#95BBFF")
    m_waterOffset = 0.005
    m_offset = 50
    m_borderwidth = 10
    percent = 0

    pen = QPen()
    pen.setWidth(8)
    pen.setCapStyle(Qt.RoundCap)
    gradient = QConicalGradient(50, 50, 91)
    gradient.setColorAt(0, QColor(255, 10, 10))
    gradient.setColorAt(1, QColor(255, 201, 14))
    pen.setBrush(gradient)

    font = QFont()
    font.setFamily(font_name)  # Share-TechMono
    def __init__(self,size,parent=None):
        super(QProgress, self).__init__(parent)
        self.resize(*size)
        self.size = size
        self.font.setPointSize(self.size[0] // 4)
    def paintEvent(self, _):
        width, height = self.size
        rect = QRectF(self.fsize, self.fsize, width-self.fsize*2, height-self.fsize*2)
        painter = QPainter(self)
        #painter.begin(self)
        rotateAngle = 360 * self.percent / 100
        # 绘制准备工作,启用反锯齿
        painter.setRenderHints(QPainter.Antialiasing)
        painter.setPen(self.pen)
        painter.drawArc(rect, (90 - 0) * 16, -rotateAngle * 16)  # 画圆环
        painter.setFont(self.font)
        painter.setPen(QColor(153 - 1.53*self.percent ,
                              217-0.55*self.percent,
                              234-0.02*self.percent)) # r:255, g:201 - 10/100 * percent, b: 14-4 /100*percent 当前渐变
        painter.drawText(rect, Qt.AlignCenter, f"{self.percent}%" ) # 显示进度条当前进度

        painter.setPen(Qt.NoPen)

        #获取窗口的宽度和高度
        percentage = 1 - self.percent/100
        # 水波走向:正弦函数 y = A(wx l)   k
        # w 表示 周期,值越大密度越大
        w = 2 * math.pi / (width)
        # A 表示振幅 ,理解为水波的上下振幅
        A = height * self.m_waterOffset
        # k 表示 y 的偏移量,可理解为进度
        k = height *percentage


        water1 = QPainterPath()
        water2 = QPainterPath()
        #起始点
        water1.moveTo(5,height)
        water2.moveTo(5,height)
        self.m_offset  = 0.6

        if(self.m_offset >(width/2)):
            self.m_offset = 0
        i = 5

        rect = QRectF(self.fsize 2,self.fsize 2,width - self.fsize*2 -4, height - self.fsize * 2 -4)
        while(i < width-5):
            water1.lineTo(i, A*math.sin(w*i  self.m_offset )   k)
            water2.lineTo(i, A*math.sin(w*i   self.m_offset   width/2*w)   k)
            i  = 1

        water1.lineTo(width-5,height)
        water2.lineTo(width-5,height)

        totalpath = QPainterPath()
        painter.drawRect(self.rect())
        painter.save()
        totalpath.addEllipse(rect)
        totalpath.intersected(water1)
        painter.setPen(Qt.NoPen)
        #设置水波的透明度
        watercolor1 =QColor(self.bg_color)
        watercolor1.setAlpha(100)
        watercolor2 = QColor(self.bg_color)
        watercolor2.setAlpha(150)
        path = totalpath.intersected(water1)
        painter.setBrush(watercolor1)
        painter.drawPath(path)


        path = totalpath.intersected(water2)
        painter.setBrush(watercolor2)
        painter.drawPath(path)
        painter.restore()
        painter.end()
        self.update()
    def update_percent(self, p):
        self.percent = p
        if self.m_waterOffset < 0.05:
            self.m_waterOffset  = 0.001
        return p
class Progress(QDialog):
    percent = 0
    def __init__(self, text="",parent=None):
        super(Progress, self).__init__()
        Font = QFont()
        Font.setFamily("Consolas")
        Font.setPointSize(12)
        self.setFont(Font)
        self.setWindowFlags(Qt.FramelessWindowHint)  # 去边框
        self.setAttribute(Qt.WA_TranslucentBackground)  # 设置窗口背景透明
        self.ProgressThread = ProgressThread()
        self.ProgressThread.signal.connect(self.percentUpdate)
        self.ProgressThread.start()
        width, height = 230, 230
        self.resize(width, height)
        self.pg = QProgress((width, height), self)
        self.label = QLabel(self)
        self.label.move((width-self.label.width())/3, height/3)
        self.button = QPushButton(self)
        self.button.setText(QCoreApplication.translate("Dialog", text))
        self.button.move((width-self.button.width())/3, height/3*2)
        self.button.setEnabled(False)
        self.button.clicked.connect(self.start)
        QMetaObject.connectSlotsByName(self)
        #self.anim = Animation(self, )
        threading(True, target=self.show)
    def percentUpdate(self, num:int=0):
        self.percent = num
        if self.percent == 100:
            self.button.setEnabled(True)
        self.pg.update_percent(self.percent)
    def updateStrProgress(self, text):
        self.label.setText(QCoreApplication.translate("Dialog", text))
    def start(self, _=None):
        """Do nothing."""

if __name__ == '__main__':
    app = QApplication(sys.argv)
    r = Progress("write something")
    sys.exit(app.exec_())

资源(0积分)

资源 - TCP聊天文件服务器v2.2 - 服务端客户端套接字解决分包/粘包问题 - SocketQueue继承以及减少冗余

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