66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
# -*- encoding: utf-8 -*-
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import socket
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try:
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import httplib
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from urlparse import urlparse
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except ImportError:
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import http.client as httplib
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from urllib.parse import urlparse
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from isso import dist
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from isso.wsgi import urlsplit
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MAX_RETRY_COUNT = 3
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class curl(object):
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"""Easy to use wrapper around :module:`httplib`. Use as context-manager
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so we can close the response properly.
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.. code-block:: python
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with http.curl('GET', 'http://localhost:8080', '/') as resp:
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if resp: # may be None if request failed
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return resp.status
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"""
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headers = {
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"User-Agent": "Isso/{0} (+https://posativ.org/isso)".format(dist.version)
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}
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def __init__(self, method, host, path, timeout=3):
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self.method = method
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self.host = host
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self.path = path
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self.timeout = timeout
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def __enter__(self):
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host, port, ssl = urlsplit(self.host)
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http = httplib.HTTPSConnection if ssl else httplib.HTTPConnection
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for _ in range(MAX_RETRY_COUNT):
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self.con = http(host, port, timeout=self.timeout)
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try:
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self.con.request(self.method, self.path, headers=self.headers)
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except (httplib.HTTPException, socket.error):
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return None
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try:
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resp = self.con.getresponse()
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if resp.status == 301:
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location = resp.getheader('Location')
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if location:
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self.con.close()
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self.path = urlparse(location).path
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else:
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return None
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else:
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return resp
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except (httplib.HTTPException, socket.timeout, socket.error):
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return None
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def __exit__(self, exc_type, exc_value, traceback):
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self.con.close()
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