| from urllib.parse import urlsplit | |
| import requests | |
| class Session(requests.Session): | |
| def __init__(self, proxy_pool): | |
| super().__init__() | |
| self.proxy_pool = proxy_pool | |
| def _url_scheme(self, url): | |
| return urlsplit(url).scheme | |
| def get(self, url, **kwargs): | |
| proxy = self.proxy_pool.get_next(protocol=self._url_scheme(url)) | |
| if proxy is None: | |
| return super().get(url, **kwargs) | |
| try: | |
| response = super().get(url, proxies=proxy.format(), **kwargs) | |
| except requests.exceptions.ConnectionError: | |
| self.proxy_pool.decrease_weight(proxy) | |
| raise | |
| except: | |
| raise | |
| else: | |
| self.proxy_pool.increase_weight(proxy) | |
| return response | |
| def post(self, url, data=None, json=None, **kwargs): | |
| proxy = self.proxy_pool.get_next(protocol=self._url_scheme(url)) | |
| if proxy is None: | |
| return super().get(url, data, json, **kwargs) | |
| try: | |
| response = super().post(url, data, json, proxies=proxy.format(), **kwargs) | |
| except requests.exceptions.ConnectionError: | |
| self.proxy_pool.decrease_weight(proxy) | |
| raise | |
| except: | |
| raise | |
| else: | |
| self.proxy_pool.increase_weight(proxy) | |
| return response | |