requests Python笔记(一)
2021/10/31 12:39:51
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我准备做一个web工具集合
在:
class resG(requests.get):
遭遇报错
TypeError: function() argument 'code' must be code, not str
查询了一下,原因是父类不是一个类,又找了一下requests的源代码
requests.__init__的import有这么一段
from .api import request, get, head, post, patch, put, delete, options
于是去api.py里查找
发现了requests.api.get
def get(url, params=None, **kwargs): return request('get', url, params=params, **kwargs)
requests.api.requests
def request(method, url, **kwargs): with sessions.Session() as session: return session.request(method=method, url=url, **kwargs)
查找sessions
from . import sessions
找sessions.py中的Session
def __init__(self): self.headers = default_headers() self.auth = None self.proxies = {} self.hooks = default_hooks() self.params = {} self.stream = False self.verify = True self.cert = None self.max_redirects = DEFAULT_REDIRECT_LIMIT self.trust_env = True self.cookies = cookiejar_from_dict({}) self.adapters = OrderedDict() self.mount('https://', HTTPAdapter()) self.mount('http://', HTTPAdapter())
requests.sessions.Session.requests
def request(self, method, url, params=None, data=None, headers=None, cookies=None, files=None, auth=None, timeout=None, allow_redirects=True, proxies=None, hooks=None, stream=None, verify=None, cert=None, json=None):= req = Request( method=method.upper(), url=url, headers=headers, files=files, data=data or {}, json=json, params=params or {}, auth=auth, cookies=cookies, hooks=hooks, ) prep = self.prepare_request(req) proxies = proxies or {} settings = self.merge_environment_settings( prep.url, proxies, stream, verify, cert ) # Send the request. send_kwargs = { 'timeout': timeout, 'allow_redirects': allow_redirects, } send_kwargs.update(settings) resp = self.send(prep, **send_kwargs) return resp
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