mirror of
https://github.com/moparisthebest/SickRage
synced 2024-11-14 05:15:12 -05:00
596 lines
22 KiB
Python
596 lines
22 KiB
Python
# Author: Nic Wolfe <nic@wolfeden.ca>
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# URL: http://code.google.com/p/sickbeard/
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#
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# This file is part of SickRage.
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#
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# SickRage 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 3 of the License, or
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# (at your option) any later version.
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#
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# SickRage 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 SickRage. If not, see <http://www.gnu.org/licenses/>.
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import re
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import datetime
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import os.path
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import threading
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import regexes
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import sickbeard
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from sickbeard import logger, helpers, scene_numbering, common
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from dateutil import parser
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nameparser_lock = threading.Lock()
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class NameParser(object):
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ALL_REGEX = 0
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NORMAL_REGEX = 1
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SPORTS_REGEX = 2
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ANIME_REGEX = 3
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def __init__(self, file_name=True, showObj=None, epObj=None, useIndexers=False, convert=False):
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regexMode = self.ALL_REGEX
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if showObj and showObj.is_anime:
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regexMode = self.ANIME_REGEX
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elif showObj and showObj.is_sports:
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regexMode = self.SPORTS_REGEX
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elif showObj and not showObj.is_anime and not showObj.is_sports:
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regexMode = self.NORMAL_REGEX
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self.file_name = file_name
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self.regexMode = regexMode
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self.compiled_regexes = {}
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self._compile_regexes(self.regexMode)
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self.showList = sickbeard.showList
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self.useIndexers = useIndexers
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self.showObj = showObj
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self.epObj = epObj
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self.convert = convert
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def clean_series_name(self, series_name):
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"""Cleans up series name by removing any . and _
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characters, along with any trailing hyphens.
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Is basically equivalent to replacing all _ and . with a
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space, but handles decimal numbers in string, for example:
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>>> cleanRegexedSeriesName("an.example.1.0.test")
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'an example 1.0 test'
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>>> cleanRegexedSeriesName("an_example_1.0_test")
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'an example 1.0 test'
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Stolen from dbr's tvnamer
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"""
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series_name = re.sub("(\D)\.(?!\s)(\D)", "\\1 \\2", series_name)
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series_name = re.sub("(\d)\.(\d{4})", "\\1 \\2", series_name) # if it ends in a year then don't keep the dot
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series_name = re.sub("(\D)\.(?!\s)", "\\1 ", series_name)
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series_name = re.sub("\.(?!\s)(\D)", " \\1", series_name)
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series_name = series_name.replace("_", " ")
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series_name = re.sub("-$", "", series_name)
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series_name = re.sub("^\[.*\]", "", series_name)
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return series_name.strip()
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def _compile_regexes(self, regexMode):
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if regexMode <= self.ALL_REGEX:
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logger.log(u"Using ALL regexs", logger.DEBUG)
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uncompiled_regex = [regexes.anime_regexes, regexes.sports_regexs, regexes.normal_regexes]
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elif regexMode == self.NORMAL_REGEX:
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logger.log(u"Using NORMAL reqgexs", logger.DEBUG)
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uncompiled_regex = [regexes.normal_regexes]
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elif regexMode == self.SPORTS_REGEX:
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logger.log(u"Using SPORTS regexs", logger.DEBUG)
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uncompiled_regex = [regexes.sports_regexs]
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elif regexMode == self.ANIME_REGEX:
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logger.log(u"Using ANIME regexs", logger.DEBUG)
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uncompiled_regex = [regexes.anime_regexes]
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else:
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logger.log(u"This is a programing ERROR. Fallback Using NORMAL regexs", logger.ERROR)
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uncompiled_regex = [regexes.normal_regexes]
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for regexItem in uncompiled_regex:
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for regex_type, regex_pattern in regexItem.items():
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for (cur_pattern_name, cur_pattern) in regex_pattern:
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try:
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cur_regex = re.compile(cur_pattern, re.VERBOSE | re.IGNORECASE)
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except re.error, errormsg:
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logger.log(u"WARNING: Invalid episode_pattern, %s. %s" % (errormsg, cur_pattern))
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else:
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self.compiled_regexes[(regex_type, cur_pattern_name)] = cur_regex
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def _parse_string(self, name):
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if not name:
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return
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matches = []
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result = None
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for (cur_regex_type, cur_regex_name), cur_regex in self.compiled_regexes.items():
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match = cur_regex.match(name)
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if not match:
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continue
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result = ParseResult(name)
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result.which_regex = [cur_regex_name]
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result.score = 0
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named_groups = match.groupdict().keys()
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if 'series_name' in named_groups:
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result.series_name = match.group('series_name')
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if result.series_name:
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result.series_name = self.clean_series_name(result.series_name)
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result.score += 1
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if 'season_num' in named_groups:
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tmp_season = int(match.group('season_num'))
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if not (cur_regex_name == 'bare' and tmp_season in (19, 20)):
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result.season_number = tmp_season
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result.score += 1
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if 'ep_num' in named_groups:
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ep_num = self._convert_number(match.group('ep_num'))
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if 'extra_ep_num' in named_groups and match.group('extra_ep_num'):
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result.episode_numbers = range(ep_num, self._convert_number(match.group('extra_ep_num')) + 1)
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result.score += 1
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else:
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result.episode_numbers = [ep_num]
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result.score += 1
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if 'ep_ab_num' in named_groups:
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ep_ab_num = self._convert_number(match.group('ep_ab_num'))
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if 'extra_ab_ep_num' in named_groups and match.group('extra_ab_ep_num'):
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result.ab_episode_numbers = range(ep_ab_num,
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self._convert_number(match.group('extra_ab_ep_num')) + 1)
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result.score += 1
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else:
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result.ab_episode_numbers = [ep_ab_num]
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result.score += 1
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if 'sports_event_id' in named_groups:
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sports_event_id = match.group('sports_event_id')
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if sports_event_id:
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result.sports_event_id = int(match.group('sports_event_id'))
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result.score += 1
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if 'sports_event_name' in named_groups:
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result.sports_event_name = match.group('sports_event_name')
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if result.sports_event_name:
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result.sports_event_name = self.clean_series_name(result.sports_event_name)
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result.score += 1
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if 'sports_event_date' in named_groups:
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sports_event_date = match.group('sports_event_date')
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if sports_event_date:
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try:
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result.sports_event_date = parser.parse(sports_event_date, fuzzy=True).date()
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result.score += 1
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except:
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pass
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if 'air_year' in named_groups and 'air_month' in named_groups and 'air_day' in named_groups:
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year = int(match.group('air_year'))
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month = int(match.group('air_month'))
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day = int(match.group('air_day'))
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try:
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dtStr = '%s-%s-%s' % (year, month, day)
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result.air_date = datetime.datetime.strptime(dtStr, "%Y-%m-%d").date()
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result.score += 1
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except:
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pass
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if 'extra_info' in named_groups:
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tmp_extra_info = match.group('extra_info')
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# Show.S04.Special or Show.S05.Part.2.Extras is almost certainly not every episode in the season
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if not (tmp_extra_info and cur_regex_name == 'season_only' and re.search(
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r'([. _-]|^)(special|extra)s?\w*([. _-]|$)', tmp_extra_info, re.I)):
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result.extra_info = tmp_extra_info
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result.score += 1
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if 'release_group' in named_groups:
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result.release_group = match.group('release_group')
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result.score += 1
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cur_show = helpers.get_show_by_name(result.series_name, useIndexer=self.useIndexers)
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if not cur_show:
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if self.showObj:
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if self.showObj.air_by_date and result.air_date:
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result.score += 1
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elif self.showObj.sports and result.sports_event_date:
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result.score += 1
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elif self.showObj.anime and len(result.ab_episode_numbers):
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result.score += 1
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matches.append(result)
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continue
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if self.showObj and self.showObj.indexerid != cur_show.indexerid:
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logger.log(
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u"I expected an episode of the show " + self.showObj.name + " but the parser thinks its the show " + cur_show.name + ". I will continue thinking its " + self.showObj.name,
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logger.WARNING)
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continue
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result.show = cur_show
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if self.convert:
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result = result.convert()
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result.score += 1
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matches.append(result)
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if len(matches):
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result = max(matches, key=lambda x: x.score)
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# get quality
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if result.show:
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result.quality = common.Quality.nameQuality(name, bool(result.show and result.show.is_anime))
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return result
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def _combine_results(self, first, second, attr):
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# if the first doesn't exist then return the second or nothing
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if not first:
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if not second:
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return None
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else:
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return getattr(second, attr)
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# if the second doesn't exist then return the first
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if not second:
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return getattr(first, attr)
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a = getattr(first, attr)
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b = getattr(second, attr)
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# if a is good use it
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if a != None or (type(a) == list and len(a)):
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return a
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# if not use b (if b isn't set it'll just be default)
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else:
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return b
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def _unicodify(self, obj, encoding="utf-8"):
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if isinstance(obj, basestring):
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if not isinstance(obj, unicode):
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obj = unicode(obj, encoding)
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return obj
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def _convert_number(self, org_number):
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"""
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Convert org_number into an integer
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org_number: integer or representation of a number: string or unicode
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Try force converting to int first, on error try converting from Roman numerals
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returns integer or 0
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"""
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try:
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# try forcing to int
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if org_number:
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number = int(org_number)
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else:
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number = 0
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except:
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# on error try converting from Roman numerals
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roman_to_int_map = (('M', 1000), ('CM', 900), ('D', 500), ('CD', 400), ('C', 100),
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('XC', 90), ('L', 50), ('XL', 40), ('X', 10),
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('IX', 9), ('V', 5), ('IV', 4), ('I', 1)
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)
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roman_numeral = str(org_number).upper()
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number = 0
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index = 0
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for numeral, integer in roman_to_int_map:
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while roman_numeral[index:index + len(numeral)] == numeral:
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number += integer
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index += len(numeral)
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return number
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def parse(self, name, cache_result=True):
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name = self._unicodify(name)
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cached = name_parser_cache.get(name)
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if cached:
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return cached
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# break it into parts if there are any (dirname, file name, extension)
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dir_name, file_name = os.path.split(name)
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ext_match = re.match('(.*)\.\w{3,4}$', file_name)
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if ext_match and self.file_name:
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base_file_name = ext_match.group(1)
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else:
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base_file_name = file_name
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# use only the direct parent dir
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dir_name = os.path.basename(dir_name)
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# set up a result to use
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final_result = ParseResult(name)
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# try parsing the file name
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file_name_result = self._parse_string(base_file_name)
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# parse the dirname for extra info if needed
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dir_name_result = self._parse_string(dir_name)
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# build the ParseResult object
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final_result.air_date = self._combine_results(file_name_result, dir_name_result, 'air_date')
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final_result.ab_episode_numbers = self._combine_results(file_name_result, dir_name_result, 'ab_episode_numbers')
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# sports event title
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final_result.sports_event_id = self._combine_results(file_name_result, dir_name_result, 'sports_event_id')
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final_result.sports_event_name = self._combine_results(file_name_result, dir_name_result, 'sports_event_name')
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final_result.sports_event_date = self._combine_results(file_name_result, dir_name_result, 'sports_event_date')
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if not final_result.air_date:
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final_result.season_number = self._combine_results(file_name_result, dir_name_result, 'season_number')
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final_result.episode_numbers = self._combine_results(file_name_result, dir_name_result, 'episode_numbers')
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# if the dirname has a release group/show name I believe it over the filename
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final_result.series_name = self._combine_results(dir_name_result, file_name_result, 'series_name')
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final_result.extra_info = self._combine_results(dir_name_result, file_name_result, 'extra_info')
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final_result.release_group = self._combine_results(dir_name_result, file_name_result, 'release_group')
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final_result.which_regex = []
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if final_result == file_name_result:
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final_result.which_regex = file_name_result.which_regex
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elif final_result == dir_name_result:
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final_result.which_regex = dir_name_result.which_regex
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else:
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if file_name_result:
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final_result.which_regex += file_name_result.which_regex
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if dir_name_result:
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final_result.which_regex += dir_name_result.which_regex
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final_result.show = self._combine_results(file_name_result, dir_name_result, 'show')
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final_result.quality = self._combine_results(file_name_result, dir_name_result, 'quality')
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# if there's no useful info in it then raise an exception
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if final_result.season_number == None and not final_result.episode_numbers and final_result.air_date == None and not final_result.series_name:
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raise InvalidNameException("Unable to parse " + name.encode(sickbeard.SYS_ENCODING, 'xmlcharrefreplace'))
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if cache_result:
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name_parser_cache.add(name, final_result)
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return final_result
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class ParseResult(object):
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def __init__(self,
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original_name,
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series_name=None,
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sports_event_id=None,
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sports_event_name=None,
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sports_event_date=None,
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season_number=None,
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episode_numbers=None,
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extra_info=None,
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release_group=None,
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air_date=None,
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ab_episode_numbers=None,
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show=None,
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score=None,
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quality=None
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):
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self.original_name = original_name
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self.series_name = series_name
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self.season_number = season_number
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if not episode_numbers:
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self.episode_numbers = []
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else:
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self.episode_numbers = episode_numbers
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if not ab_episode_numbers:
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self.ab_episode_numbers = []
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else:
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self.ab_episode_numbers = ab_episode_numbers
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if not quality:
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self.quality = common.Quality.UNKNOWN
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else:
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self.quality = quality
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self.extra_info = extra_info
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self.release_group = release_group
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self.air_date = air_date
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self.sports_event_id = sports_event_id
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self.sports_event_name = sports_event_name
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self.sports_event_date = sports_event_date
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self.which_regex = []
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self.show = show
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self.score = score
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def __eq__(self, other):
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if not other:
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return False
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if self.series_name != other.series_name:
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return False
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if self.season_number != other.season_number:
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return False
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if self.episode_numbers != other.episode_numbers:
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return False
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if self.extra_info != other.extra_info:
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return False
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if self.release_group != other.release_group:
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return False
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if self.air_date != other.air_date:
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return False
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if self.sports_event_id != other.sports_event_id:
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return False
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if self.sports_event_name != other.sports_event_name:
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return False
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if self.sports_event_date != other.sports_event_date:
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return False
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if self.ab_episode_numbers != other.ab_episode_numbers:
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return False
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if self.show != other.show:
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return False
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if self.score != other.score:
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return False
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if self.quality != other.quality:
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return False
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return True
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def __str__(self):
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if self.series_name != None:
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to_return = self.series_name + u' - '
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else:
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to_return = u''
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if self.season_number != None:
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to_return += 'S' + str(self.season_number)
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if self.episode_numbers and len(self.episode_numbers):
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for e in self.episode_numbers:
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to_return += 'E' + str(e)
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if self.air_by_date:
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to_return += str(self.air_date)
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if self.sports:
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to_return += str(self.sports_event_name)
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to_return += str(self.sports_event_id)
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to_return += str(self.sports_event_date)
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if self.ab_episode_numbers:
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to_return += ' absolute_numbers: ' + str(self.ab_episode_numbers)
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if self.extra_info:
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to_return += ' - ' + self.extra_info
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if self.release_group:
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to_return += ' (' + self.release_group + ')'
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to_return += ' [ABD: ' + str(self.air_by_date) + ']'
|
|
to_return += ' [SPORTS: ' + str(self.sports) + ']'
|
|
to_return += ' [ANIME: ' + str(self.is_anime) + ']'
|
|
to_return += ' [whichReg: ' + str(self.which_regex) + ']'
|
|
|
|
return to_return.encode('utf-8')
|
|
|
|
def convert(self):
|
|
if not self.show:
|
|
return self # can't convert with out a show object
|
|
|
|
if self.air_by_date or self.sports: # scene numbering does not apply to air-by-date or sports shows
|
|
return self
|
|
|
|
new_episode_numbers = []
|
|
new_season_numbers = []
|
|
new_absolute_numbers = []
|
|
|
|
if self.show.is_anime and len(self.ab_episode_numbers):
|
|
for epAbsNo in self.ab_episode_numbers:
|
|
a = scene_numbering.get_indexer_absolute_numbering(self.show.indexerid, self.show.indexer, epAbsNo)
|
|
if a:
|
|
(s, e) = helpers.get_all_episodes_from_absolute_number(self.show, None, [a])
|
|
|
|
new_absolute_numbers.append(a)
|
|
new_episode_numbers.extend(e)
|
|
new_season_numbers.append(s)
|
|
|
|
elif self.season_number and len(self.episode_numbers):
|
|
for epNo in self.episode_numbers:
|
|
(s, e) = scene_numbering.get_indexer_numbering(self.show.indexerid, self.show.indexer,
|
|
self.season_number,
|
|
epNo)
|
|
if self.show.is_anime:
|
|
a = helpers.get_absolute_number_from_season_and_episode(self.show, s, e)
|
|
if a:
|
|
new_absolute_numbers.append(a)
|
|
|
|
new_episode_numbers.append(e)
|
|
new_season_numbers.append(s)
|
|
|
|
# need to do a quick sanity check heregex. It's possible that we now have episodes
|
|
# from more than one season (by tvdb numbering), and this is just too much
|
|
# for sickbeard, so we'd need to flag it.
|
|
new_season_numbers = list(set(new_season_numbers)) # remove duplicates
|
|
if len(new_season_numbers) > 1:
|
|
raise InvalidNameException("Scene numbering results episodes from "
|
|
"seasons %s, (i.e. more than one) and "
|
|
"sickrage does not support this. "
|
|
"Sorry." % (str(new_season_numbers)))
|
|
|
|
# I guess it's possible that we'd have duplicate episodes too, so lets
|
|
# eliminate them
|
|
new_episode_numbers = list(set(new_episode_numbers))
|
|
new_episode_numbers.sort()
|
|
|
|
# maybe even duplicate absolute numbers so why not do them as well
|
|
new_absolute_numbers = list(set(new_absolute_numbers))
|
|
new_absolute_numbers.sort()
|
|
|
|
if len(new_absolute_numbers):
|
|
self.ab_episode_numbers = new_absolute_numbers
|
|
|
|
if len(new_season_numbers) and len(new_episode_numbers):
|
|
self.episode_numbers = new_episode_numbers
|
|
self.season_number = new_season_numbers[0]
|
|
|
|
return self
|
|
|
|
def _is_air_by_date(self):
|
|
if self.season_number == None and len(self.episode_numbers) == 0 and self.air_date:
|
|
return True
|
|
return False
|
|
|
|
air_by_date = property(_is_air_by_date)
|
|
|
|
def _is_anime(self):
|
|
if self.ab_episode_numbers:
|
|
if self.show and self.show.is_anime:
|
|
return True
|
|
return False
|
|
|
|
is_anime = property(_is_anime)
|
|
|
|
def _is_sports(self):
|
|
if self.sports_event_date:
|
|
return True
|
|
return False
|
|
|
|
sports = property(_is_sports)
|
|
|
|
|
|
class NameParserCache(object):
|
|
_previous_parsed = {}
|
|
_cache_size = 100
|
|
|
|
def add(self, name, parse_result):
|
|
self._previous_parsed[name] = parse_result
|
|
_current_cache_size = len(self._previous_parsed)
|
|
if _current_cache_size > self._cache_size:
|
|
for i in range(_current_cache_size - self._cache_size):
|
|
del self._previous_parsed[self._previous_parsed.keys()[0]]
|
|
|
|
def get(self, name):
|
|
if name in self._previous_parsed:
|
|
logger.log("Using cached parse result for: " + name, logger.DEBUG)
|
|
return self._previous_parsed[name]
|
|
|
|
|
|
name_parser_cache = NameParserCache()
|
|
|
|
|
|
class InvalidNameException(Exception):
|
|
"The given name is not valid" |