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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
#
# Copyright (c) 2008, 2009, 2010 by Wilbert Berendsen
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# See http://www.gnu.org/licenses/ for more information.
from __future__ import unicode_literals
"""
General functions that parse LilyPond document text.
"""
import os
import ly.rx
def findIncludeFiles(lyfile, path=()):
"""Finds files included by the document in lyfile.
If path is given, it must be a list of directories that are also searched
for files to be included.
"""
files = set()
basedir = os.path.dirname(lyfile)
def find(lyfile):
if os.access(lyfile, os.R_OK):
files.add(lyfile)
directory = os.path.dirname(lyfile)
# read the file and delete the comments.
with open(lyfile) as f:
text = ly.rx.all_comments.sub('', f.read().decode('utf-8', 'ignore'))
for f in ly.rx.include_file.findall(text):
# old include (relative to master file)
find(os.path.join(basedir, f))
# new, recursive, relative include
if directory != basedir:
find(os.path.join(directory, f))
# if path is given, also search there:
for p in path:
find(os.path.join(p, f))
find(lyfile)
return files
def documentLanguage(text):
"""Return the LilyPond pitch language name for the document, if set."""
text = ly.rx.all_comments.sub('', text)
m = ly.rx.language.match(text)
if m:
return m.group(1)
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