From 68df54d6629ec019142eb149dd037774f2d11e7c Mon Sep 17 00:00:00 2001 From: Shubham Saini Date: Tue, 11 Dec 2018 15:31:23 +0530 Subject: First commit --- .../pip/_vendor/chardet/charsetgroupprober.py | 106 +++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/chardet/charsetgroupprober.py (limited to 'venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/chardet/charsetgroupprober.py') diff --git a/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/chardet/charsetgroupprober.py b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/chardet/charsetgroupprober.py new file mode 100644 index 0000000..1720ddc --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_vendor/chardet/charsetgroupprober.py @@ -0,0 +1,106 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library 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 +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import ProbingState +from .charsetprober import CharSetProber + + +class CharSetGroupProber(CharSetProber): + def __init__(self, lang_filter=None): + super(CharSetGroupProber, self).__init__(lang_filter=lang_filter) + self._active_num = 0 + self.probers = [] + self._best_guess_prober = None + + def reset(self): + super(CharSetGroupProber, self).reset() + self._active_num = 0 + for prober in self.probers: + if prober: + prober.reset() + prober.active = True + self._active_num += 1 + self._best_guess_prober = None + + @property + def charset_name(self): + if not self._best_guess_prober: + self.get_confidence() + if not self._best_guess_prober: + return None + return self._best_guess_prober.charset_name + + @property + def language(self): + if not self._best_guess_prober: + self.get_confidence() + if not self._best_guess_prober: + return None + return self._best_guess_prober.language + + def feed(self, byte_str): + for prober in self.probers: + if not prober: + continue + if not prober.active: + continue + state = prober.feed(byte_str) + if not state: + continue + if state == ProbingState.FOUND_IT: + self._best_guess_prober = prober + return self.state + elif state == ProbingState.NOT_ME: + prober.active = False + self._active_num -= 1 + if self._active_num <= 0: + self._state = ProbingState.NOT_ME + return self.state + return self.state + + def get_confidence(self): + state = self.state + if state == ProbingState.FOUND_IT: + return 0.99 + elif state == ProbingState.NOT_ME: + return 0.01 + best_conf = 0.0 + self._best_guess_prober = None + for prober in self.probers: + if not prober: + continue + if not prober.active: + self.logger.debug('%s not active', prober.charset_name) + continue + conf = prober.get_confidence() + self.logger.debug('%s %s confidence = %s', prober.charset_name, prober.language, conf) + if best_conf < conf: + best_conf = conf + self._best_guess_prober = prober + if not self._best_guess_prober: + return 0.0 + return best_conf -- cgit v1.2.3