mirror of
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72 lines
3 KiB
Python
72 lines
3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2011 Erik Svensson <erik.public@gmail.com>
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# Licensed under the MIT license.
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import sys, httplib, urllib2
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from transmissionrpc.error import HTTPHandlerError
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class HTTPHandler(object):
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"""
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Prototype for HTTP handling.
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"""
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def set_authentication(self, uri, login, password):
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"""
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Transmission use basic authentication in earlier versions and digest
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authentication in later versions.
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* uri, the authentication realm URI.
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* login, the authentication login.
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* password, the authentication password.
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"""
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raise NotImplementedError("Bad HTTPHandler, failed to implement set_authentication.")
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def request(self, url, query, headers, timeout):
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"""
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Implement a HTTP POST request here.
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* url, The URL to request.
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* query, The query data to send. This is a JSON data string.
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* headers, a dictionary of headers to send.
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* timeout, requested request timeout in seconds.
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"""
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raise NotImplementedError("Bad HTTPHandler, failed to implement request.")
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class DefaultHTTPHandler(HTTPHandler):
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"""
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The default HTTP handler provided with transmissionrpc.
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"""
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def __init__(self):
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HTTPHandler.__init__(self)
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def set_authentication(self, uri, login, password):
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password_manager = urllib2.HTTPPasswordMgrWithDefaultRealm()
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password_manager.add_password(realm=None, uri=uri, user=login, passwd=password)
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opener = urllib2.build_opener(
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urllib2.HTTPBasicAuthHandler(password_manager)
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, urllib2.HTTPDigestAuthHandler(password_manager)
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)
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urllib2.install_opener(opener)
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def request(self, url, query, headers, timeout):
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request = urllib2.Request(url, query, headers)
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try:
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if (sys.version_info[0] == 2 and sys.version_info[1] > 5) or sys.version_info[0] > 2:
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response = urllib2.urlopen(request, timeout=timeout)
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else:
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response = urllib2.urlopen(request)
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except urllib2.HTTPError, error:
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if error.fp is None:
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raise HTTPHandlerError(error.filename, error.code, error.msg, dict(error.hdrs))
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else:
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raise HTTPHandlerError(error.filename, error.code, error.msg, dict(error.hdrs), error.read())
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except urllib2.URLError, error:
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# urllib2.URLError documentation is horrendous!
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# Try to get the tuple arguments of URLError
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if hasattr(error.reason, 'args') and isinstance(error.reason.args, tuple) and len(error.reason.args) == 2:
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raise HTTPHandlerError(httpcode=error.reason.args[0], httpmsg=error.reason.args[1])
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else:
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raise HTTPHandlerError(httpmsg='urllib2.URLError: %s' % (error.reason))
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except httplib.BadStatusLine, error:
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raise HTTPHandlerError(httpmsg='httplib.BadStatusLine: %s' % (error.line))
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return response.read()
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