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.
54 lines
1.5 KiB
54 lines
1.5 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from plasTeX.TeX import TeX
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import codecs
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import copy
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import os
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import sys
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class SongParser:
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"""Analyseur syntaxique de fichiers .sg"""
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@staticmethod
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def _create_TeX():
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tex = TeX()
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tex.disableLogging()
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tex.ownerDocument.context.loadBaseMacros()
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tex.ownerDocument.context.loadPackage(tex, "babel")
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sys.path.append(os.path.dirname(__file__))
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tex.ownerDocument.context.loadPackage(tex, "songs")
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sys.path.pop()
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return tex
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@classmethod
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def parse(cls, filename):
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tex = cls._create_TeX()
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tex.input(codecs.open(filename, 'r+', 'utf-8', 'replace'))
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return tex.parse()
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def parsetex(filename):
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"""Analyse syntaxique d'un fichier .sg
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Renvoie un dictionnaire contenant les métadonnées lues dans le fichier. Les
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clefs sont :
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- languages: l'ensemble des langages utilisés (recherche des
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\selectlanguages{}) ;
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- titles: la liste des titres ;
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- args: le dictionnaire des paramètres passés à \\beginsong.
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"""
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# Analyse syntaxique
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doc = SongParser.parse(filename)
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# Extraction des données
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data = {
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"languages": set(),
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}
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for node in doc.allChildNodes:
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if node.nodeName == "selectlanguage":
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data["languages"].add(node.attributes['lang'])
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if node.nodeName == "beginsong":
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data["titles"] = node.attributes["titles"]
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data["args"] = node.attributes["args"]
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return data
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