118 lines
2.8 KiB
Python
118 lines
2.8 KiB
Python
import asyncio
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import aiohttp
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import re
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from appPublic.log import info, debug, warning, error, exception, critical
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RESPONSE_BIN = 0
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RESPONSE_TEXT = 1
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RESPONSE_JSON = 2
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RESPONSE_FILE = 3
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RESPONSE_STREAM = 4
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class HttpError(Exception):
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def __init__(self, code, msg, *args, **kw):
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super().__init__(*msg, **kw)
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self.code = code
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self.msg = msg
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def __str__(self):
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return f"Error Code:{self.code}, {self.msg}"
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def __expr__(self):
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return str(self)
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class HttpClient:
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def __init__(self,coding='utf-8'):
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self.coding = coding
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self.session = None
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self.cookies = {}
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async def close(self):
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if self.session:
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await self.session.close()
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self.session = None
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def url2domain(self,url):
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parts = url.split('/')[:3]
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pre = '/'.join(parts)
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return pre
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def setCookie(self,url,cookies):
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name = self.url2domain(url)
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self.cookies[name] = cookies
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def getCookies(self,url):
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name = url2domain(url)
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return self.cookies.get(name,None)
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def getsession(self,url):
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if self.session is None:
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jar = aiohttp.CookieJar(unsafe=True)
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self.session = aiohttp.ClientSession(cookie_jar=jar)
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return self.session
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async def handleResp(self,url,resp,resp_type, stream_func=None):
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if resp.cookies is not None:
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self.setCookie(url,resp.cookies)
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if resp_type == RESPONSE_BIN:
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return await resp.read()
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if resp_type == RESPONSE_JSON:
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return await resp.json()
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if resp_type == RESPONSE_TEXT:
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return await resp.text(self.coding)
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async for chunk in resp.content.iter_chunked(1024):
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if stream_func:
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await stream_func(chunk)
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def grapCookie(self,url):
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session = self.getsession(url)
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domain = self.url2domain(url)
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filtered = session.cookie_jar.filter_cookies(domain)
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return filtered
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async def request(self, url, method,
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response_type=RESPONSE_TEXT,
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params=None,
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data=None,
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jd=None,
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stream_func=None,
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headers=None,
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**kw):
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session = self.getsession(url)
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if params == {}:
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params = None
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if data == {}:
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data = None
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if jd == {}:
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jd = None
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if headers == {}:
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headers = None
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resp = await session.request(method, url,
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params=params,
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data=data,
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json=jd,
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headers=headers, **kw)
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if resp.status==200:
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return await self.handleResp(url, resp, response_type, stream_func=stream_func)
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msg = f'http error({resp.status}, {url=},{params=}, {data=}, {jd=}, {headers=}, {kw=})'
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exception(msg)
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raise HttpError(resp.status, msg)
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async def get(self,url,**kw):
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return self.request(url, 'GET', **kw)
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async def post(self,url, **kw):
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return self.request(url, 'POST', **kw)
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session = self.getsession(url)
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if __name__ == '__main__':
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async def gbaidu(hc):
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r = await hc.get('https://www.baidu.com')
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print(r)
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await hc.close()
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loop = asyncio.get_event_loop()
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hc = HttpClient()
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loop.run_until_complete(gbaidu(hc))
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