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113 lines
3.5 KiB
Python
113 lines
3.5 KiB
Python
#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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__revision__ = "$Id$"
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import supybot.fix as fix
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import re
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import supybot.conf as conf
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import socket
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import urllib2
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import urlparse
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class WebError(Exception):
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pass
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urlRe = re.compile(r"(\w+://[^\])>\s]+)", re.I)
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REFUSED = 'Connection refused.'
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TIMED_OUT = 'Connection timed out.'
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UNKNOWN_HOST = 'Unknown host.'
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RESET_BY_PEER = 'Connection reset by peer.'
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FORBIDDEN = 'Client forbidden from accessing URL.'
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def strError(e):
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try:
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n = e.args[0]
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except Exception:
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return str(e)
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if n == 111:
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return REFUSED
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elif n in (110, 10060):
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return TIMED_OUT
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elif n == 104:
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return RESET_BY_PEER
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elif n == 8:
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return UNKNOWN_HOST
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elif n == 403:
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return FORBIDDEN
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else:
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return str(e)
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def getUrlFd(url):
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"""Gets a file-like object for a url."""
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try:
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if not isinstance(url, urllib2.Request):
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if '#' in url:
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url = url[:url.index('#')]
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request = urllib2.Request(url)
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else:
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request = url
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httpProxy = conf.supybot.protocols.http.proxy()
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if httpProxy:
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request.set_proxy(httpProxy, 'http')
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fd = urllib2.urlopen(request)
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return fd
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except socket.timeout, e:
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raise WebError, TIMED_OUT
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except socket.error, e:
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raise WebError, strError(e)
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except urllib2.URLError, e:
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raise WebError, strError(e)
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except urllib2.HTTPError, e:
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raise WebError, strError(e)
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def getUrl(url, size=None):
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"""Gets a page. Returns a string that is the page gotten."""
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fd = getUrlFd(url)
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try:
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if size is None:
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text = fd.read()
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else:
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text = fd.read(size)
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except socket.timeout, e:
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raise WebError, TIMED_OUT
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fd.close()
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return text
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def getDomain(url):
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return urlparse.urlparse(url)[1]
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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