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# -*- coding: utf-8 -*-
"""
debian-bts-applet - GNOME applet for monitoring Debian bugs
Copyright (C) 2008 Chris Lamb <chris@chris-lamb.co.uk>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import re
class BugNumberParser(object):
PATTERNS = (
re.compile(r'http(s)?://bugs.debian.(org|net)/cgi-bin/bugreport.cgi\?.*bug=(?P<bug>\d+)'),
re.compile(r'http(s)?://bugs.debian.(org|net)/(?P<bug>\d+)'),
re.compile(r'(?P<bug>\d+)(-\w+)?@(bugs.)?debian.org'),
re.compile(r'#+(?P<bug>\d+)'),
)
def parse(self, txt):
bug_number = self._parse(txt)
if not bug_number:
return False
if not self._sanity_check(bug_number):
return False
return bug_number
def _parse(self, txt):
# See if we have a number
try:
bug_number = int(txt)
return bug_number
except ValueError:
pass
# Check against regexes
for regex in self.PATTERNS:
match = regex.search(txt)
if not match:
continue
try:
bug_number = int(match.group('bug'))
return bug_number
except ValueError:
pass
return False
def _sanity_check(self, bug_number):
# Check we have an integer object
try:
int(bug_number)
except ValueError:
return False
# Check we are in a sensible range
if not 100 < bug_number < 2000000:
return False
return True
|
