mirror of https://github.com/patacrep/patacrep.git
Engine for LaTeX songbooks
http://www.patacrep.com
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153 lines
4.8 KiB
153 lines
4.8 KiB
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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"""Command line tool to compile songbooks using the songbook library."""
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import argparse
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import json
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import locale
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import logging
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import os.path
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import textwrap
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import sys
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from patacrep.build import SongbookBuilder, DEFAULT_STEPS
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from patacrep import __STR_VERSION__
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from patacrep import errors
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from patacrep import encoding
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# Logging configuration
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logging.basicConfig(level=logging.INFO)
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LOGGER = logging.getLogger()
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# pylint: disable=too-few-public-methods
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class ParseStepsAction(argparse.Action):
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"""Argparse action to split a string into a list."""
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def __call__(self, __parser, namespace, values, __option_string=None):
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if not getattr(namespace, self.dest):
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setattr(namespace, self.dest, [])
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setattr(
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namespace,
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self.dest,
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(
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getattr(namespace, self.dest)
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+ [value.strip() for value in values[0].split(',')]
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),
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)
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class VerboseAction(argparse.Action):
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"""Set verbosity level with option --verbose."""
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def __call__(self, *_args, **_kwargs):
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LOGGER.setLevel(logging.DEBUG)
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def argument_parser(args):
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"""Parse arguments"""
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parser = argparse.ArgumentParser(description="A song book compiler")
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parser.add_argument('--version', help='Show version', action='version',
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version='%(prog)s ' + __STR_VERSION__)
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parser.add_argument('book', nargs=1, help=textwrap.dedent("""\
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Book to compile.
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"""))
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parser.add_argument('--datadir', '-d', nargs='+', type=str, action='append',
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help=textwrap.dedent("""\
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Data location. Expected (not necessarily required)
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subdirectories are 'songs', 'img', 'latex', 'templates'.
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"""))
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parser.add_argument('--verbose', '-v', nargs=0, action=VerboseAction,
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help=textwrap.dedent("""\
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Show details about the compilation process.
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"""))
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parser.add_argument('--steps', '-s', nargs=1, type=str,
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action=ParseStepsAction,
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help=textwrap.dedent("""\
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Steps to run. Default is "{steps}".
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Available steps are:
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"tex" produce .tex file from templates;
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"pdf" compile .tex file;
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"sbx" compile index files;
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"clean" remove temporary files;
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any string beginning with '%%' (in this case, it will be run
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in a shell). Several steps (excepted the custom shell
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command) can be combinend in one --steps argument, as a
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comma separated string.
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""".format(steps=','.join(DEFAULT_STEPS))),
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default=None,
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)
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options = parser.parse_args(args)
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return options
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def main():
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"""Main function:"""
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# set script locale to match user's
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try:
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locale.setlocale(locale.LC_ALL, '')
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except locale.Error as error:
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# Locale is not installed on user's system, or wrongly configured.
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sys.stderr.write("Locale error: {}\n".format(error.message))
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options = argument_parser(sys.argv[1:])
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songbook_path = options.book[0]
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basename = os.path.basename(songbook_path)[:-3]
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songbook_file = None
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try:
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songbook_file = encoding.open_read(songbook_path)
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songbook = json.load(songbook_file)
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except Exception as error: # pylint: disable=broad-except
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LOGGER.error(error)
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LOGGER.error("Error while loading file '{}'.".format(songbook_path))
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sys.exit(1)
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finally:
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if songbook_file:
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songbook_file.close()
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# Gathering datadirs
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datadirs = []
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if options.datadir:
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# Command line options
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datadirs += [item[0] for item in options.datadir]
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if 'datadir' in songbook:
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# .sg file
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if isinstance(songbook['datadir'], basestring):
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songbook['datadir'] = [songbook['datadir']]
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datadirs += [
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os.path.join(
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os.path.dirname(os.path.abspath(songbook_path)),
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path
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)
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for path in songbook['datadir']
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]
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# Default value
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datadirs.append(os.path.dirname(os.path.abspath(songbook_path)))
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songbook['datadir'] = datadirs
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try:
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sb_builder = SongbookBuilder(songbook, basename)
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sb_builder.unsafe = True
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sb_builder.build_steps(options.steps)
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except errors.SongbookError as error:
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LOGGER.error(error)
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if LOGGER.level >= logging.INFO:
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LOGGER.error(
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"Running again with option '-v' may give more information."
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)
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sys.exit(1)
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sys.exit(0)
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if __name__ == '__main__':
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main()
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