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# -*- coding: utf-8 -*- |
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from __future__ import absolute_import, unicode_literals |
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import inspect |
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import requests |
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from school_api.client.api.base import BaseSchoolApi |
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from school_api.client.api.utils import get_view_state_from_html |
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from school_api.client.login_management import LoginManagement |
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from school_api.utils import to_text, ObjectDict |
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def _is_api_endpoint(obj): |
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return isinstance(obj, BaseSchoolApi) |
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class BaseUserClient(LoginManagement): |
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"""docstring for BaseUserClient""" |
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_proxy = None |
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url_token = '' |
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def __new__(cls, *args): |
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self = super(BaseUserClient, cls).__new__(cls) |
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api_endpoints = inspect.getmembers(self, _is_api_endpoint) |
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for name, api in api_endpoints: |
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api_cls = type(api) |
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api = api_cls(self) |
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setattr(self, name, api) |
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return self |
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def __init__(self, school_obj, account, password, user_type): |
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self._http = requests.Session() |
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self.school = school_obj.school |
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self.base_url = school_obj.base_url |
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self.session = school_obj.session |
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self.user = ObjectDict({ |
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'account': to_text(account), |
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'password': password, |
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'user_type': user_type, |
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'proxy_state': False |
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}) |
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self._http.headers.update({ |
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) ' |
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'AppleWebKit/537.36 (KHTML, like Gecko) ' |
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'Chrome/62.0.3202.89 Safari/537.36', |
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'Content-Type': 'application/x-www-form-urlencoded', |
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'Referer': self.base_url + self.school.login_url |
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}) |
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if self.school.priority_proxy: |
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self.switch_proxy(True) |
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def _request(self, url_suffix, **kwargs): |
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url = '{base}{url_token}{url_suffix}'.format( |
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base=self.base_url, |
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url_suffix=url_suffix, |
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url_token=self.url_token |
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) |
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kwargs['timeout'] = kwargs.get('timeout', self.school.timeout) |
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res = self._http.request( |
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url=url, |
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proxies=self._proxy, |
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allow_redirects=False, |
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**kwargs |
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) |
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res.raise_for_status() |
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if res.status_code == 302: |
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raise requests.TooManyRedirects(response=res) |
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return res |
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def get(self, url, **kwargs): |
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return self._request(url, method='GET', **kwargs) |
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def post(self, url, **kwargs): |
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return self._request(url, method='POST', **kwargs) |
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def head(self, url, **kwargs): |
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return self._request(url, method='HEAD', **kwargs) |
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def switch_proxy(self, init=False): |
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""" 设置代理 """ |
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self.user.proxy_state = True |
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self.base_url = self.school.lan_url or self.base_url |
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self._proxy = self.school.proxies |
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self._http.headers.update({ |
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'Referer': self.base_url + self.school.login_url |
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}) |
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if not init: |
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# 非初始化,检查是否存在有效会话登录会话 |
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return self.session_management() |
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def get_view_state(self, url_suffix, **kwargs): |
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""" 获取页面 view_state 值""" |
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res = self.get(url_suffix, **kwargs) |
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return get_view_state_from_html(res.text) |
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def update_url_token(self, url_token): |
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# 兼容含token的教务系统请求地址 http://xxx.xxx/(35yxiq45pv0ojz45wcopgz45)/Default2.aspx |
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self.url_token = url_token |
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