应用场景 在容器内部，想要获取容器名称，替换容器内某些文件内的字符串， 代码如下：
--coding:utf-8--
import os import redis
def alter(file, new_str, old_str="abc_123abc"):
应用场景 在容器内部，想要获取容器名称，替换容器内某些文件内的字符串， 代码如下：
--coding:utf-8--
import os import redis
def alter(file, new_str, old_str="abc_123abc"):
代码语言：javascript复制""" 替换文件中的字符串 file:文件名 old_str:就字符串 new_str:新字符串 """ file_data = "" with open(file, "r") as f: for line in f: if old_str in line: line = line.replace(old_str, new_str) file_data = line with open(file, "w") as f: f.write(file_data)def get_container_name():
代码语言：javascript复制db = redis.Redis(host="192.168.0.111", port=6380, decode_responses=False) # start: in container, run next code ------------------------------------------------- cmd = "cat /proc/self/cgroup" output = os.popen(cmd) rests = output.readlines() container_message= rests[-1] if not container_message: container_id = "abc" else: container_id = container_message.strip().split("docker-")[-1][:12] # end. ---------------------------------------------------------------------------------- container_name = None if container_id != "abc": key_name = "nm_" container_id container_name = db.hget("container_msg", key_name) if container_name: container_name = container_name.decode("utf-8") return container_namedef run():
代码语言：javascript复制nginx_conf = "/etc/nginx/nginx.conf" galaxy_yml = "/galaxy-central/config/galaxy.yml" container_name = get_container_name() if container_name is not None: alter(nginx_conf, container_name) os.popen("nginx -s reload") # os.popen("cp /galaxy-central/config/galaxy.yml.sample /galaxy-central/config/galaxy.yml") alter(galaxy_yml, container_name) print("Replacement string 'abc_123abc' succeeded") else: print("Replacement string 'abc_123abc' failed")if name == '__main__':
代码语言：javascript复制run()复制
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import os
代码语言：javascript复制# 目标路径 path = "C:\Users\username\Desktop\project" dir_list = [] # os.walk() 自上而下或自下而上，遍历出所有文件。返回值 可迭代对象 # 当前路径（str），所有文件夹（list），所有文件（list） for dirpath, dirnames, filenames in os.walk(path): for filepath in filenames: print(os.path.join(dirpath, filepath)) if os.path.join(dirpath, filepath).endswith(".py"): dir_list.append(os.path.join(dirpath, filepath)) print(dir_list) for dir in dir_list: with open(dir, encoding="utf-8") as f: content = f.read() with open("project.txt", "a", encoding="utf-8") as file: file.write(content)
