python requests模块封装详解

# 导入requests包  
import requests  
# 发送请求  
response = requests.get('https://www.runoob.com/')  
# 返回网页内容  
print(response.text)

print(response.status_code)  # 获取响应状态码
print(response.headers)  # 获取响应头
print(response.content)  # 获取响应内容

import retrying # 需手动安装
class HTTP(object):
    """
    requests模块封装使用：
    import HTTP
    # post调用时格式为json格式
    headers = {
        "Content-Type": "application/json",
        "Charset": "UTF-8"
    }
    result = HTTP.get(url, params)
    result = HTTP.post(url, data=json.dumps(payload), headers=header)
    """
    @staticmethod
    def __requests(method, url, **kwargs):
        """
        发送http请求
        @param url: 接口url
        @param method: http请求方法
        @param kwargs: 接受request原生的关键字参数
        @return 响应对象
        """
        resp = getattr(requests, method)(url, **kwargs)
        if resp.status_code == 200:
            result = resp.json()
            return result
        raise Exception('fail:{},url:{},method:{}'.format(json.dumps(resp.content),url,method))
    @retrying.retry(stop_max_attempt_number=3)
    def get(self, url, params=None, **kwargs):
        return self.__requests('get', url, params=params, **kwargs)
    @retrying.retry(stop_max_attempt_number=3)
    def post(self, url, data, **kwargs):
        return self.__requests('post', url, data=data, **kwargs)
    @retrying.retry(stop_max_attempt_number=3)
    def put(self, url, data=None, **kwargs):
        return self.__requests('put', url, data=data, **kwargs)
    @retrying.retry(stop_max_attempt_number=3)
    def delete(self, url, **kwargs):
        return self.__requests('delete', url, **kwargs)
    @retrying.retry(stop_max_attempt_number=3)
    def head(self, url, **kwargs):
        return self.__requests('head', url, **kwargs)
    @retrying.retry(stop_max_attempt_number=3)
    def patch(self, url, data=None, **kwargs):
        return self.__requests('patch', url, data=data, **kwargs)

condition_params = {'k1':'v1', 'k2':'v2', 'k3':None, 'k4':['v4','v5']}  
r = requets.get('http://httpbin.org/get', params=condition_params)

import requests
import json
# 指定post请求时的url
url = 'https://api.github.com/some/endpoint'  
# 需要上传或发送post请求的数据
payload = {'some': 'data'} 
# 指定请求格式为json格式
headers = {'content-type': 'application/json'}  
# 发送请求时将字典转换为json格式数据
res = requests.post(url, data=json.dumps(payload), headers=headers)