mirror of https://github.com/patacrep/patacrep.git
Engine for LaTeX songbooks
http://www.patacrep.com
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
130 lines
4.3 KiB
130 lines
4.3 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from unidecode import unidecode
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import glob
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import locale
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import os.path
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import re
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from songbook.authors import processauthors
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from songbook.plastex import parsetex
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class Song:
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#: Ordre de tri
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sort = []
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#: Préfixes à ignorer pour le tri par titres
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prefixes = []
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#: Dictionnaire des options pour le traitement des auteurs
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authwords = {"after": [], "ignore": [], "sep": []}
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def __init__(self, path, languages, titles, args):
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self.titles = titles
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self.normalized_titles = [locale.strxfrm(
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unprefixed_title(unidecode(unicode(title, "utf-8")),
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self.prefixes
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)
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)
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for title in titles]
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self.args = args
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self.path = path
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self.languages = languages
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if "by" in self.args.keys():
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self.normalized_authors = [
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locale.strxfrm(author)
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for author
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in processauthors(self.args["by"], **self.authwords)
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]
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else:
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self.normalized_authors = []
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def __repr__(self):
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return repr((self.titles, self.args, self.path))
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def __cmp__(self, other):
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if not isinstance(other, Song):
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return NotImplemented
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for key in self.sort:
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if key == "@title":
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self_key = self.normalized_titles
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other_key = other.normalized_titles
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elif key == "@path":
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self_key = locale.strxfrm(self.path)
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other_key = locale.strxfrm(other.path)
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elif key == "by":
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self_key = self.normalized_authors
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other_key = other.normalized_authors
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else:
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self_key = locale.strxfrm(self.args.get(key, ""))
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other_key = locale.strxfrm(other.args.get(key, ""))
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if self_key < other_key:
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return -1
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elif self_key > other_key:
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return 1
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return 0
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def unprefixed_title(title, prefixes):
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"""Remove the first prefix of the list in the beginning of title (if any).
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"""
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for prefix in prefixes:
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match = re.compile(r"^(%s)\b\s*(.*)$" % prefix).match(title)
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if match:
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return match.group(2)
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return title
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class SongsList:
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"""Manipulation et traitement de liste de chansons"""
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def __init__(self, library, language):
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self._songdir = os.path.join(library, 'songs')
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self._language = language
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# Liste triée des chansons
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self.songs = []
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def append(self, filename):
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"""Ajout d'une chanson à la liste
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Effets de bord : analyse syntaxique plus ou moins sommaire du fichier
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pour en extraire et traiter certaines information (titre, langue,
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album, etc.).
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"""
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# Exécution de PlasTeX
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data = parsetex(filename)
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song = Song(filename, data['languages'], data['titles'], data['args'])
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low, high = 0, len(self.songs)
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while low != high:
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middle = (low + high) / 2
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if song < self.songs[middle]:
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high = middle
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else:
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low = middle + 1
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self.songs.insert(low, song)
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def append_list(self, filelist):
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"""Ajoute une liste de chansons à la liste
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L'argument est une liste de chaînes, représentant des noms de fichiers
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sous la forme d'expressions régulières destinées à être analysées avec
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le module glob.
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"""
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for regexp in filelist:
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for filename in glob.iglob(os.path.join(self._songdir, regexp)):
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self.append(filename)
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def latex(self):
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"""Renvoie le code LaTeX nécessaire pour intégrer la liste de chansons.
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"""
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result = ['\\input{{{0}}}'.format(song.path.replace("\\", "/").strip())
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for song in self.songs]
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result.append('\\selectlanguage{%s}' % self._language)
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return '\n'.join(result)
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def languages(self):
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"""Renvoie la liste des langues utilisées par les chansons"""
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return set().union(*[set(song.languages) for song in self.songs])
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