mirror of
https://github.com/moparisthebest/SickRage
synced 2024-11-13 21:05:11 -05:00
443 lines
16 KiB
Python
443 lines
16 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 Sick Beard.
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#
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# Sick Beard 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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# Sick Beard 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 Sick Beard. If not, see <http://www.gnu.org/licenses/>.
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import datetime
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import os.path
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import re
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import regexes
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import sickbeard
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from sickbeard import logger, helpers, scene_numbering
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from dateutil import parser
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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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def __init__(self, file_name=True, regexMode=0):
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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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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.sports_regexs+regexes.ep_regexes
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elif regexMode == self.NORMAL_REGEX:
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logger.log(u"Using NORMAL regexs" , logger.DEBUG)
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uncompiled_regex = regexes.ep_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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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.ep_regexes
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for (cur_pattern_name, cur_pattern) in uncompiled_regex:
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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.append((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 None
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for (cur_regex_name, cur_regex) in self.compiled_regexes:
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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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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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if 'season_num' in named_groups:
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tmp_season = int(match.group('season_num'))
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if cur_regex_name == 'bare' and tmp_season in (19, 20):
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continue
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result.season_number = tmp_season
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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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else:
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result.episode_numbers = [ep_num]
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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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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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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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except:
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continue
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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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except:
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continue
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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 is almost certainly not every episode in the season
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if tmp_extra_info and cur_regex_name == 'season_only' and re.match(
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r'([. _-]|^)(special|extra)\w*([. _-]|$)', tmp_extra_info, re.I):
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continue
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result.extra_info = tmp_extra_info
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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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return result
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return None
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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, number):
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try:
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return int(number)
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except:
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numeral_map = zip(
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(1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1),
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('M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I')
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)
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n = unicode(number).upper()
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i = result = 0
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for integer, numeral in numeral_map:
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while n[i:i + len(numeral)] == numeral:
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result += integer
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i += len(numeral)
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return result
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def parse(self, name):
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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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# 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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# 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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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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show=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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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 = None
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self.show = show
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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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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.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) + ']'
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to_return += ' [SPORTS: ' + str(self.sports) + ']'
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to_return += ' [whichReg: ' + str(self.which_regex) + ']'
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return to_return.encode('utf-8')
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def convert(self):
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if self.air_by_date: return self # scene numbering does not apply to air-by-date
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if self.season_number == None: return self # can't work without a season
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if len(self.episode_numbers) == 0: return self # need at least one episode
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self.show = helpers.get_show_by_name(self.series_name)
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if not self.show:
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return self
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new_episode_numbers = []
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new_season_numbers = []
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for epNo in self.episode_numbers:
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(s, e) = scene_numbering.get_indexer_numbering(self.show.indexerid, self.season_number, epNo)
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new_episode_numbers.append(e)
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new_season_numbers.append(s)
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# need to do a quick sanity check here. It's possible that we now have episodes
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# from more than one season (by tvdb numbering), and this is just too much
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# for sickbeard, so we'd need to flag it.
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new_season_numbers = list(set(new_season_numbers)) # remove duplicates
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if len(new_season_numbers) > 1:
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raise InvalidNameException("Scene numbering results episodes from "
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"seasons %s, (i.e. more than one) and "
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"sickbeard does not support this. "
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"Sorry." % (str(new_season_numbers)))
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# I guess it's possible that we'd have duplicate episodes too, so lets
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# eliminate them
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new_episode_numbers = list(set(new_episode_numbers))
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new_episode_numbers.sort()
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self.episode_numbers = new_episode_numbers
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self.season_number = new_season_numbers[0]
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return self
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def _is_air_by_date(self):
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if self.season_number == None and len(self.episode_numbers) == 0 and self.air_date:
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return True
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return False
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air_by_date = property(_is_air_by_date)
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def _is_sports(self):
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if self.sports_event_date:
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return True
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return False
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sports = property(_is_sports)
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class NameParserCache(object):
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#TODO: check if the fifo list can beskiped and only use one dict
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_previous_parsed_list = [] # keep a fifo list of the cached items
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_previous_parsed = {}
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_cache_size = 100
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def add(self, name, parse_result):
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self._previous_parsed[name] = parse_result
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self._previous_parsed_list.append(name)
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while len(self._previous_parsed_list) > self._cache_size:
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del_me = self._previous_parsed_list.pop(0)
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self._previous_parsed.pop(del_me)
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def get(self, name):
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if name in self._previous_parsed:
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logger.log("Using cached parse result for: " + name, logger.DEBUG)
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return self._previous_parsed[name]
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else:
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return None
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name_parser_cache = NameParserCache()
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class InvalidNameException(Exception):
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"The given name is not valid"
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