mirror of
https://github.com/Hopiu/linkchecker.git
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08670b67d6
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@1594 e7d03fd6-7b0d-0410-9947-9c21f3af8025
84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
# -*- coding: iso-8859-1 -*-
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"""a blacklist logger"""
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# Copyright (C) 2000-2004 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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import sys
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import os
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import linkcheck
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import linkcheck.logger
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class BlacklistLogger (linkcheck.logger.Logger):
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"""Updates a blacklist of wrong links. If a link on the blacklist
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is working (again), it is removed from the list. So after n days
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we have only links on the list which failed for n days.
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"""
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def __init__ (self, **args):
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"""intialize with old blacklist data (if found, else not)"""
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super(BlacklistLogger, self).__init__(**args)
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self.blacklist = {}
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if args.has_key('fileoutput'):
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self.fileoutput = True
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filename = args['filename']
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if os.path.exists(filename):
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self.read_blacklist(file(filename, "r"))
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self.fd = file(filename, "w")
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elif args.has_key('fd'):
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self.fd = args['fd']
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else:
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self.fileoutput = False
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self.fd = sys.stdout
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def new_url (self, url_data):
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"""put invalid url in blacklist, delete valid url from blacklist"""
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if not url_data.cached:
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key = url_data.getCacheKey()
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if key in self.blacklist:
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if url_data.valid:
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del self.blacklist[key]
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else:
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self.blacklist[key] += 1
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else:
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if not url_data.valid:
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self.blacklist[key] = 1
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def end_output (self, linknumber=-1):
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"""write blacklist file"""
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self.write_blacklist()
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def read_blacklist (self, fd):
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"""read a previously stored blacklist from file fd"""
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for line in fd:
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line = line.rstrip()
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if line.startswith('#') or not line:
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continue
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value, key = line.split(None, 1)
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self.blacklist[key] = int(value)
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fd.close()
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def write_blacklist (self):
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"""write the blacklist"""
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oldmask = os.umask(0077)
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for key, value in self.blacklist.items():
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self.fd.write("%d %s" % (value, key))
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self.fd.write(os.linesep)
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if self.fileoutput:
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self.fd.close()
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# restore umask
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os.umask(oldmask)
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