mirror of
https://github.com/Hopiu/linkchecker.git
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121 lines
3.3 KiB
Python
121 lines
3.3 KiB
Python
# Copyright (C) 2000-2014 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 along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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"""
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Main package for link checking.
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"""
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# version checks
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import sys
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if sys.version_info < (3, 9, 0, 'final', 0):
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import platform
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raise SystemExit(
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"This program requires Python 3.9 or later instead of %s."
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% platform.python_version()
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)
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import os
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import re
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from . import i18n, log
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from .logconf import (
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LOG_ROOT,
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LOG_CMDLINE,
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LOG_CHECK,
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LOG_CACHE,
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LOG_THREAD,
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LOG_PLUGIN,
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)
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COMMAND_NAME = "linkchecker"
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PACKAGE_NAME = __spec__.parent
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def module_path():
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"""Return absolute directory of system executable."""
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return os.path.dirname(os.path.abspath(sys.executable))
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class LinkCheckerError(Exception):
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"""Exception to be raised on linkchecker-specific check errors."""
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pass
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class LinkCheckerInterrupt(Exception):
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"""Used for testing."""
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pass
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def get_link_pat(arg, strict=False):
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"""Get a link pattern matcher for intern/extern links.
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Returns a compiled pattern and a negate and strict option.
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@param arg: pattern from config
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@type arg: string
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@param strict: if pattern is to be handled strict
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@type strict: bool
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@return: dictionary with keys 'pattern', 'negate' and 'strict'
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@rtype: dict
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@raises: re.error on invalid regular expressions
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"""
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log.debug(LOG_CHECK, _("Link pattern %r strict=%s"), arg, strict)
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if arg.startswith('!'):
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pattern = arg[1:]
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negate = True
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else:
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pattern = arg
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negate = False
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try:
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regex = re.compile(pattern)
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except re.error as msg:
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log.warn(LOG_CHECK, _("invalid regular expression %r: %s"), pattern, msg)
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raise
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return {
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"pattern": regex,
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"negate": negate,
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"strict": strict,
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}
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def init_i18n():
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"""Initialize i18n with the configured locale dir. The environment
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variable LOCPATH can also specify a locale dir.
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@return: None
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"""
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if 'LOCPATH' in os.environ:
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locdir = os.environ['LOCPATH']
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else:
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# Need Python 3.9 for importlib.resources.files
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locdir = os.path.join(__path__[0], 'data', 'locale')
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i18n.init(COMMAND_NAME, locdir)
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# install translated log level names
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import logging
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logging.addLevelName(logging.CRITICAL, _('CRITICAL'))
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logging.addLevelName(logging.ERROR, _('ERROR'))
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logging.addLevelName(logging.WARN, _('WARN'))
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logging.addLevelName(logging.WARNING, _('WARNING'))
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logging.addLevelName(logging.INFO, _('INFO'))
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logging.addLevelName(logging.DEBUG, _('DEBUG'))
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logging.addLevelName(logging.NOTSET, _('NOTSET'))
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# initialize i18n, puts _() and _n() function into global namespace
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init_i18n()
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