python自动化:HTTP的各种操作

导入第三方库

import requests

全局变量

HEADERS = {}
COOKIES = {}
ALLOW_REDIRECTS = False

def getUrl(url, params, timeout, encoding):
    """
    get请求
    :param url: 请求地址
    :param params: 参数。字典类型
    :param timeout: 超时时间
    :param encoding: 编码格式，""为默认编码
    :return: 请求结果
    """
    try:
        if isinstance(url, str) and isinstance(params, dict) and (isinstance(timeout,int) or isinstance(timeout, float)) and isinstance(encoding, str):
            response = requests.get(url=url, params=params, timeout=timeout, headers=HEADERS, cookies=COOKIES)
            if encoding != "":
                response.encoding = encoding
            return response.text
        raise Exception("非法的参数类型")
    except Exception as e:
        return e

def postUrl(url, params, timeout, encoding):
    """
    post请求
    :param url: 请求地址
    :param params: 参数。字典类型
    :param timeout: 超时时间
    :param encoding: 编码格式，""为默认编码
    :return: 请求结果
    """
    try:
        if isinstance(url, str) and isinstance(params, dict) and (isinstance(timeout, int) or isinstance(timeout, float)) and isinstance(encoding, str):
            response = requests.post(url=url, params=params, timeout=timeout, headers=HEADERS, cookies=COOKIES,allow_redirects=ALLOW_REDIRECTS)
            if encoding != "":
                response.encoding = encoding
            return response.text
        raise Exception("非法的参数类型")
    except Exception as e:
        return e

def getFile(url, path, params, timeout, encoding):
    """
    下载文件
    :param url: 请求地址
    :param path: 下载路径
    :param params: 参数
    :param timeout: 超时时间
    :param encoding: 编码
    :return: 运行结果
    """
    try:
        if isinstance(url, str) and isinstance(path, str) and isinstance(params, dict) and (isinstance(timeout, int) or isinstance(timeout, float)) and isinstance(encoding, str):
            response = requests.get(url=url, params=params, timeout=timeout, headers=HEADERS, cookies=COOKIES)
            response.encoding = encoding
            with open(path, "w", encoding=encoding) as f:
                f.write(response.text)
            return True
        raise Exception("非法的参数类型")
    except Exception as e:
        return e

def setHeaders(header):
    """
    设置请求头
    :param header: 请求头。字典类型
    :return: 运行结果
    """
    try:
        global HEADERS
        if isinstance(header, dict):
            HEADERS = header
            return True
        raise Exception("非法的参数类型")
    except Exception as e:
        return e

def setCookies(cookie):
    """
    设置缓存
    :param cookie: 缓存。字典类型
    :return: 运行结果
    """
    try:
        global COOKIES
        if isinstance(cookie, dict):
            COOKIES = cookie
            return True
        raise Exception("非法的参数类型")
    except Exception as e:
        return e