mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-11 21:53:37 +00:00
640 lines
25 KiB
Python
640 lines
25 KiB
Python
"""
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helpers module (imdb package).
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This module provides functions not used directly by the imdb package,
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but useful for IMDbPY-based programs.
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Copyright 2006-2012 Davide Alberani <da@erlug.linux.it>
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2012 Alberto Malagoli <albemala AT gmail.com>
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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# XXX: find better names for the functions in this modules.
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import re
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import difflib
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from cgi import escape
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import gettext
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from gettext import gettext as _
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gettext.textdomain('imdbpy')
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# The modClearRefs can be used to strip names and titles references from
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# the strings in Movie and Person objects.
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from imdb.utils import modClearRefs, re_titleRef, re_nameRef, \
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re_characterRef, _tagAttr, _Container, TAGS_TO_MODIFY
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from imdb import IMDb, imdbURL_movie_base, imdbURL_person_base, \
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imdbURL_character_base
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import imdb.locale
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from imdb.linguistics import COUNTRY_LANG
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from imdb.Movie import Movie
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from imdb.Person import Person
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from imdb.Character import Character
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from imdb.Company import Company
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from imdb.parser.http.utils import re_entcharrefssub, entcharrefs, \
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subXMLRefs, subSGMLRefs
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from imdb.parser.http.bsouplxml.etree import BeautifulSoup
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# An URL, more or less.
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_re_href = re.compile(r'(http://.+?)(?=\s|$)', re.I)
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_re_hrefsub = _re_href.sub
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def makeCgiPrintEncoding(encoding):
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"""Make a function to pretty-print strings for the web."""
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def cgiPrint(s):
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"""Encode the given string using the %s encoding, and replace
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chars outside the given charset with XML char references.""" % encoding
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s = escape(s, quote=1)
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if isinstance(s, unicode):
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s = s.encode(encoding, 'xmlcharrefreplace')
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return s
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return cgiPrint
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# cgiPrint uses the latin_1 encoding.
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cgiPrint = makeCgiPrintEncoding('latin_1')
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# Regular expression for %(varname)s substitutions.
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re_subst = re.compile(r'%\((.+?)\)s')
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# Regular expression for <if condition>....</if condition> clauses.
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re_conditional = re.compile(r'<if\s+(.+?)\s*>(.+?)</if\s+\1\s*>')
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def makeTextNotes(replaceTxtNotes):
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"""Create a function useful to handle text[::optional_note] values.
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replaceTxtNotes is a format string, which can include the following
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values: %(text)s and %(notes)s.
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Portions of the text can be conditionally excluded, if one of the
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values is absent. E.g.: <if notes>[%(notes)s]</if notes> will be replaced
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with '[notes]' if notes exists, or by an empty string otherwise.
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The returned function is suitable be passed as applyToValues argument
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of the makeObject2Txt function."""
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def _replacer(s):
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outS = replaceTxtNotes
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if not isinstance(s, (unicode, str)):
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return s
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ssplit = s.split('::', 1)
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text = ssplit[0]
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# Used to keep track of text and note existence.
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keysDict = {}
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if text:
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keysDict['text'] = True
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outS = outS.replace('%(text)s', text)
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if len(ssplit) == 2:
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keysDict['notes'] = True
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outS = outS.replace('%(notes)s', ssplit[1])
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else:
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outS = outS.replace('%(notes)s', u'')
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def _excludeFalseConditionals(matchobj):
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# Return an empty string if the conditional is false/empty.
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if matchobj.group(1) in keysDict:
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return matchobj.group(2)
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return u''
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while re_conditional.search(outS):
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outS = re_conditional.sub(_excludeFalseConditionals, outS)
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return outS
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return _replacer
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def makeObject2Txt(movieTxt=None, personTxt=None, characterTxt=None,
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companyTxt=None, joiner=' / ',
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applyToValues=lambda x: x, _recurse=True):
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""""Return a function useful to pretty-print Movie, Person,
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Character and Company instances.
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*movieTxt* -- how to format a Movie object.
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*personTxt* -- how to format a Person object.
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*characterTxt* -- how to format a Character object.
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*companyTxt* -- how to format a Company object.
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*joiner* -- string used to join a list of objects.
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*applyToValues* -- function to apply to values.
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*_recurse* -- if True (default) manage only the given object.
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"""
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# Some useful defaults.
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if movieTxt is None:
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movieTxt = '%(long imdb title)s'
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if personTxt is None:
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personTxt = '%(long imdb name)s'
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if characterTxt is None:
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characterTxt = '%(long imdb name)s'
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if companyTxt is None:
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companyTxt = '%(long imdb name)s'
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def object2txt(obj, _limitRecursion=None):
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"""Pretty-print objects."""
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# Prevent unlimited recursion.
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if _limitRecursion is None:
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_limitRecursion = 0
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elif _limitRecursion > 5:
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return u''
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_limitRecursion += 1
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if isinstance(obj, (list, tuple)):
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return joiner.join([object2txt(o, _limitRecursion=_limitRecursion)
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for o in obj])
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elif isinstance(obj, dict):
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# XXX: not exactly nice, neither useful, I fear.
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return joiner.join([u'%s::%s' %
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(object2txt(k, _limitRecursion=_limitRecursion),
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object2txt(v, _limitRecursion=_limitRecursion))
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for k, v in obj.items()])
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objData = {}
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if isinstance(obj, Movie):
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objData['movieID'] = obj.movieID
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outs = movieTxt
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elif isinstance(obj, Person):
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objData['personID'] = obj.personID
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outs = personTxt
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elif isinstance(obj, Character):
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objData['characterID'] = obj.characterID
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outs = characterTxt
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elif isinstance(obj, Company):
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objData['companyID'] = obj.companyID
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outs = companyTxt
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else:
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return obj
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def _excludeFalseConditionals(matchobj):
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# Return an empty string if the conditional is false/empty.
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condition = matchobj.group(1)
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proceed = obj.get(condition) or getattr(obj, condition, None)
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if proceed:
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return matchobj.group(2)
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else:
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return u''
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return matchobj.group(2)
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while re_conditional.search(outs):
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outs = re_conditional.sub(_excludeFalseConditionals, outs)
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for key in re_subst.findall(outs):
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value = obj.get(key) or getattr(obj, key, None)
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if not isinstance(value, (unicode, str)):
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if not _recurse:
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if value:
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value = unicode(value)
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if value:
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value = object2txt(value, _limitRecursion=_limitRecursion)
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elif value:
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value = applyToValues(unicode(value))
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if not value:
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value = u''
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elif not isinstance(value, (unicode, str)):
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value = unicode(value)
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outs = outs.replace(u'%(' + key + u')s', value)
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return outs
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return object2txt
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def makeModCGILinks(movieTxt, personTxt, characterTxt=None,
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encoding='latin_1'):
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"""Make a function used to pretty-print movies and persons refereces;
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movieTxt and personTxt are the strings used for the substitutions.
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movieTxt must contains %(movieID)s and %(title)s, while personTxt
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must contains %(personID)s and %(name)s and characterTxt %(characterID)s
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and %(name)s; characterTxt is optional, for backward compatibility."""
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_cgiPrint = makeCgiPrintEncoding(encoding)
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def modCGILinks(s, titlesRefs, namesRefs, characterRefs=None):
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"""Substitute movies and persons references."""
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if characterRefs is None: characterRefs = {}
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# XXX: look ma'... more nested scopes! <g>
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def _replaceMovie(match):
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to_replace = match.group(1)
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item = titlesRefs.get(to_replace)
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if item:
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movieID = item.movieID
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to_replace = movieTxt % {'movieID': movieID,
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'title': unicode(_cgiPrint(to_replace),
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encoding,
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'xmlcharrefreplace')}
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return to_replace
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def _replacePerson(match):
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to_replace = match.group(1)
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item = namesRefs.get(to_replace)
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if item:
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personID = item.personID
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to_replace = personTxt % {'personID': personID,
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'name': unicode(_cgiPrint(to_replace),
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encoding,
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'xmlcharrefreplace')}
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return to_replace
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def _replaceCharacter(match):
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to_replace = match.group(1)
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if characterTxt is None:
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return to_replace
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item = characterRefs.get(to_replace)
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if item:
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characterID = item.characterID
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if characterID is None:
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return to_replace
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to_replace = characterTxt % {'characterID': characterID,
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'name': unicode(_cgiPrint(to_replace),
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encoding,
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'xmlcharrefreplace')}
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return to_replace
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s = s.replace('<', '<').replace('>', '>')
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s = _re_hrefsub(r'<a href="\1">\1</a>', s)
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s = re_titleRef.sub(_replaceMovie, s)
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s = re_nameRef.sub(_replacePerson, s)
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s = re_characterRef.sub(_replaceCharacter, s)
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return s
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modCGILinks.movieTxt = movieTxt
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modCGILinks.personTxt = personTxt
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modCGILinks.characterTxt = characterTxt
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return modCGILinks
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# links to the imdb.com web site.
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_movieTxt = '<a href="' + imdbURL_movie_base + 'tt%(movieID)s">%(title)s</a>'
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_personTxt = '<a href="' + imdbURL_person_base + 'nm%(personID)s">%(name)s</a>'
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_characterTxt = '<a href="' + imdbURL_character_base + \
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'ch%(characterID)s">%(name)s</a>'
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modHtmlLinks = makeModCGILinks(movieTxt=_movieTxt, personTxt=_personTxt,
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characterTxt=_characterTxt)
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modHtmlLinksASCII = makeModCGILinks(movieTxt=_movieTxt, personTxt=_personTxt,
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characterTxt=_characterTxt,
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encoding='ascii')
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everyentcharrefs = entcharrefs.copy()
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for k, v in {'lt':u'<','gt':u'>','amp':u'&','quot':u'"','apos':u'\''}.items():
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everyentcharrefs[k] = v
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everyentcharrefs['#%s' % ord(v)] = v
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everyentcharrefsget = everyentcharrefs.get
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re_everyentcharrefs = re.compile('&(%s|\#160|\#\d{1,5});' % '|'.join(map(re.escape,
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everyentcharrefs)))
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re_everyentcharrefssub = re_everyentcharrefs.sub
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def _replAllXMLRef(match):
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"""Replace the matched XML reference."""
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ref = match.group(1)
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value = everyentcharrefsget(ref)
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if value is None:
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if ref[0] == '#':
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return unichr(int(ref[1:]))
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else:
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return ref
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return value
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def subXMLHTMLSGMLRefs(s):
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"""Return the given string with XML/HTML/SGML entity and char references
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replaced."""
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return re_everyentcharrefssub(_replAllXMLRef, s)
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def sortedSeasons(m):
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"""Return a sorted list of seasons of the given series."""
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seasons = m.get('episodes', {}).keys()
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seasons.sort()
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return seasons
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def sortedEpisodes(m, season=None):
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"""Return a sorted list of episodes of the given series,
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considering only the specified season(s) (every season, if None)."""
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episodes = []
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seasons = season
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if season is None:
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seasons = sortedSeasons(m)
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else:
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if not isinstance(season, (tuple, list)):
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seasons = [season]
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for s in seasons:
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eps_indx = m.get('episodes', {}).get(s, {}).keys()
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eps_indx.sort()
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for e in eps_indx:
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episodes.append(m['episodes'][s][e])
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return episodes
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# Idea and portions of the code courtesy of none none (dclist at gmail.com)
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_re_imdbIDurl = re.compile(r'\b(nm|tt|ch|co)([0-9]{7})\b')
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def get_byURL(url, info=None, args=None, kwds=None):
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"""Return a Movie, Person, Character or Company object for the given URL;
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info is the info set to retrieve, args and kwds are respectively a list
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and a dictionary or arguments to initialize the data access system.
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Returns None if unable to correctly parse the url; can raise
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exceptions if unable to retrieve the data."""
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if args is None: args = []
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if kwds is None: kwds = {}
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ia = IMDb(*args, **kwds)
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match = _re_imdbIDurl.search(url)
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if not match:
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return None
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imdbtype = match.group(1)
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imdbID = match.group(2)
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if imdbtype == 'tt':
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return ia.get_movie(imdbID, info=info)
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elif imdbtype == 'nm':
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return ia.get_person(imdbID, info=info)
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elif imdbtype == 'ch':
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return ia.get_character(imdbID, info=info)
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elif imdbtype == 'co':
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return ia.get_company(imdbID, info=info)
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return None
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# Idea and portions of code courtesy of Basil Shubin.
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# Beware that these information are now available directly by
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# the Movie/Person/Character instances.
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def fullSizeCoverURL(obj):
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"""Given an URL string or a Movie, Person or Character instance,
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returns an URL to the full-size version of the cover/headshot,
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or None otherwise. This function is obsolete: the same information
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are available as keys: 'full-size cover url' and 'full-size headshot',
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respectively for movies and persons/characters."""
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if isinstance(obj, Movie):
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coverUrl = obj.get('cover url')
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elif isinstance(obj, (Person, Character)):
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coverUrl = obj.get('headshot')
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else:
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coverUrl = obj
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if not coverUrl:
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return None
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return _Container._re_fullsizeURL.sub('', coverUrl)
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def keyToXML(key):
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"""Return a key (the ones used to access information in Movie and
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other classes instances) converted to the style of the XML output."""
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return _tagAttr(key, '')[0]
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def translateKey(key):
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"""Translate a given key."""
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return _(keyToXML(key))
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# Maps tags to classes.
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_MAP_TOP_OBJ = {
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'person': Person,
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'movie': Movie,
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'character': Character,
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'company': Company
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}
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# Tags to be converted to lists.
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_TAGS_TO_LIST = dict([(x[0], None) for x in TAGS_TO_MODIFY.values()])
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_TAGS_TO_LIST.update(_MAP_TOP_OBJ)
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def tagToKey(tag):
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"""Return the name of the tag, taking it from the 'key' attribute,
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if present."""
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keyAttr = tag.get('key')
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if keyAttr:
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if tag.get('keytype') == 'int':
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keyAttr = int(keyAttr)
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return keyAttr
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return tag.name
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def _valueWithType(tag, tagValue):
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"""Return tagValue, handling some type conversions."""
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tagType = tag.get('type')
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if tagType == 'int':
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tagValue = int(tagValue)
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elif tagType == 'float':
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tagValue = float(tagValue)
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return tagValue
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# Extra tags to get (if values were not already read from title/name).
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_titleTags = ('imdbindex', 'kind', 'year')
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_nameTags = ('imdbindex',)
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_companyTags = ('imdbindex', 'country')
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def parseTags(tag, _topLevel=True, _as=None, _infoset2keys=None,
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_key2infoset=None):
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"""Recursively parse a tree of tags."""
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# The returned object (usually a _Container subclass, but it can
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# be a string, an int, a float, a list or a dictionary).
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item = None
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if _infoset2keys is None:
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_infoset2keys = {}
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if _key2infoset is None:
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_key2infoset = {}
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name = tagToKey(tag)
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firstChild = tag.find(recursive=False)
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tagStr = (tag.string or u'').strip()
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if not tagStr and name == 'item':
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# Handles 'item' tags containing text and a 'notes' sub-tag.
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tagContent = tag.contents[0]
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if isinstance(tagContent, BeautifulSoup.NavigableString):
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tagStr = (unicode(tagContent) or u'').strip()
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tagType = tag.get('type')
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infoset = tag.get('infoset')
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if infoset:
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_key2infoset[name] = infoset
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_infoset2keys.setdefault(infoset, []).append(name)
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# Here we use tag.name to avoid tags like <item title="company">
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if tag.name in _MAP_TOP_OBJ:
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# One of the subclasses of _Container.
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item = _MAP_TOP_OBJ[name]()
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itemAs = tag.get('access-system')
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if itemAs:
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if not _as:
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_as = itemAs
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else:
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itemAs = _as
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item.accessSystem = itemAs
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tagsToGet = []
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theID = tag.get('id')
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if name == 'movie':
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item.movieID = theID
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tagsToGet = _titleTags
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theTitle = tag.find('title', recursive=False)
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if tag.title:
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item.set_title(tag.title.string)
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tag.title.extract()
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else:
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if name == 'person':
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item.personID = theID
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tagsToGet = _nameTags
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theName = tag.find('long imdb canonical name', recursive=False)
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if not theName:
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theName = tag.find('name', recursive=False)
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elif name == 'character':
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item.characterID = theID
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tagsToGet = _nameTags
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theName = tag.find('name', recursive=False)
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elif name == 'company':
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item.companyID = theID
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tagsToGet = _companyTags
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theName = tag.find('name', recursive=False)
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if theName:
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item.set_name(theName.string)
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if theName:
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|
theName.extract()
|
|
for t in tagsToGet:
|
|
if t in item.data:
|
|
continue
|
|
dataTag = tag.find(t, recursive=False)
|
|
if dataTag:
|
|
item.data[tagToKey(dataTag)] = _valueWithType(dataTag,
|
|
dataTag.string)
|
|
if tag.notes:
|
|
item.notes = tag.notes.string
|
|
tag.notes.extract()
|
|
episodeOf = tag.find('episode-of', recursive=False)
|
|
if episodeOf:
|
|
item.data['episode of'] = parseTags(episodeOf, _topLevel=False,
|
|
_as=_as, _infoset2keys=_infoset2keys,
|
|
_key2infoset=_key2infoset)
|
|
episodeOf.extract()
|
|
cRole = tag.find('current-role', recursive=False)
|
|
if cRole:
|
|
cr = parseTags(cRole, _topLevel=False, _as=_as,
|
|
_infoset2keys=_infoset2keys, _key2infoset=_key2infoset)
|
|
item.currentRole = cr
|
|
cRole.extract()
|
|
# XXX: big assumption, here. What about Movie instances used
|
|
# as keys in dictionaries? What about other keys (season and
|
|
# episode number, for example?)
|
|
if not _topLevel:
|
|
#tag.extract()
|
|
return item
|
|
_adder = lambda key, value: item.data.update({key: value})
|
|
elif tagStr:
|
|
if tag.notes:
|
|
notes = (tag.notes.string or u'').strip()
|
|
if notes:
|
|
tagStr += u'::%s' % notes
|
|
else:
|
|
tagStr = _valueWithType(tag, tagStr)
|
|
return tagStr
|
|
elif firstChild:
|
|
firstChildName = tagToKey(firstChild)
|
|
if firstChildName in _TAGS_TO_LIST:
|
|
item = []
|
|
_adder = lambda key, value: item.append(value)
|
|
else:
|
|
item = {}
|
|
_adder = lambda key, value: item.update({key: value})
|
|
else:
|
|
item = {}
|
|
_adder = lambda key, value: item.update({name: value})
|
|
for subTag in tag(recursive=False):
|
|
subTagKey = tagToKey(subTag)
|
|
# Exclude dinamically generated keys.
|
|
if tag.name in _MAP_TOP_OBJ and subTagKey in item._additional_keys():
|
|
continue
|
|
subItem = parseTags(subTag, _topLevel=False, _as=_as,
|
|
_infoset2keys=_infoset2keys, _key2infoset=_key2infoset)
|
|
if subItem:
|
|
_adder(subTagKey, subItem)
|
|
if _topLevel and name in _MAP_TOP_OBJ:
|
|
# Add information about 'info sets', but only to the top-level object.
|
|
item.infoset2keys = _infoset2keys
|
|
item.key2infoset = _key2infoset
|
|
item.current_info = _infoset2keys.keys()
|
|
return item
|
|
|
|
|
|
def parseXML(xml):
|
|
"""Parse a XML string, returning an appropriate object (usually an
|
|
instance of a subclass of _Container."""
|
|
xmlObj = BeautifulSoup.BeautifulStoneSoup(xml,
|
|
convertEntities=BeautifulSoup.BeautifulStoneSoup.XHTML_ENTITIES)
|
|
if xmlObj:
|
|
mainTag = xmlObj.find()
|
|
if mainTag:
|
|
return parseTags(mainTag)
|
|
return None
|
|
|
|
|
|
_re_akas_lang = re.compile('(?:[(])([a-zA-Z]+?)(?: title[)])')
|
|
_re_akas_country = re.compile('\(.*?\)')
|
|
|
|
# akasLanguages, sortAKAsBySimilarity and getAKAsInLanguage code
|
|
# copyright of Alberto Malagoli (refactoring by Davide Alberani).
|
|
def akasLanguages(movie):
|
|
"""Given a movie, return a list of tuples in (lang, AKA) format;
|
|
lang can be None, if unable to detect."""
|
|
lang_and_aka = []
|
|
akas = set((movie.get('akas') or []) +
|
|
(movie.get('akas from release info') or []))
|
|
for aka in akas:
|
|
# split aka
|
|
aka = aka.encode('utf8').split('::')
|
|
# sometimes there is no countries information
|
|
if len(aka) == 2:
|
|
# search for something like "(... title)" where ... is a language
|
|
language = _re_akas_lang.search(aka[1])
|
|
if language:
|
|
language = language.groups()[0]
|
|
else:
|
|
# split countries using , and keep only the first one (it's sufficient)
|
|
country = aka[1].split(',')[0]
|
|
# remove parenthesis
|
|
country = _re_akas_country.sub('', country).strip()
|
|
# given the country, get corresponding language from dictionary
|
|
language = COUNTRY_LANG.get(country)
|
|
else:
|
|
language = None
|
|
lang_and_aka.append((language, aka[0].decode('utf8')))
|
|
return lang_and_aka
|
|
|
|
|
|
def sortAKAsBySimilarity(movie, title, _titlesOnly=True, _preferredLang=None):
|
|
"""Return a list of movie AKAs, sorted by their similarity to
|
|
the given title.
|
|
If _titlesOnly is not True, similarity information are returned.
|
|
If _preferredLang is specified, AKAs in the given language will get
|
|
a higher score.
|
|
The return is a list of title, or a list of tuples if _titlesOnly is False."""
|
|
language = movie.guessLanguage()
|
|
# estimate string distance between current title and given title
|
|
m_title = movie['title'].lower()
|
|
l_title = title.lower()
|
|
if isinstance(l_title, unicode):
|
|
l_title = l_title.encode('utf8')
|
|
scores = []
|
|
score = difflib.SequenceMatcher(None, m_title.encode('utf8'), l_title).ratio()
|
|
# set original title and corresponding score as the best match for given title
|
|
scores.append((score, movie['title'], None))
|
|
for language, aka in akasLanguages(movie):
|
|
# estimate string distance between current title and given title
|
|
m_title = aka.lower()
|
|
if isinstance(m_title, unicode):
|
|
m_title = m_title.encode('utf8')
|
|
score = difflib.SequenceMatcher(None, m_title, l_title).ratio()
|
|
# if current language is the same as the given one, increase score
|
|
if _preferredLang and _preferredLang == language:
|
|
score += 1
|
|
scores.append((score, aka, language))
|
|
scores.sort(reverse=True)
|
|
if _titlesOnly:
|
|
return [x[1] for x in scores]
|
|
return scores
|
|
|
|
|
|
def getAKAsInLanguage(movie, lang, _searchedTitle=None):
|
|
"""Return a list of AKAs of a movie, in the specified language.
|
|
If _searchedTitle is given, the AKAs are sorted by their similarity
|
|
to it."""
|
|
akas = []
|
|
for language, aka in akasLanguages(movie):
|
|
if lang == language:
|
|
akas.append(aka)
|
|
if _searchedTitle:
|
|
scores = []
|
|
if isinstance(_searchedTitle, unicode):
|
|
_searchedTitle = _searchedTitle.encode('utf8')
|
|
for aka in akas:
|
|
m_aka = aka
|
|
if isinstance(m_aka):
|
|
m_aka = m_aka.encode('utf8')
|
|
scores.append(difflib.SequenceMatcher(None, m_aka.lower(),
|
|
_searchedTitle.lower()), aka)
|
|
scores.sort(reverse=True)
|
|
akas = [x[1] for x in scores]
|
|
return akas
|
|
|