Engine for LaTeX songbooks http://www.patacrep.com
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
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"""Command line tool to compile songbooks using the songbook library."""
import argparse
import json
import locale
import logging
import os.path
import textwrap
import sys
from songbook_core.build import buildsongbook, DEFAULT_STEPS
from songbook_core import __STR_VERSION__
from songbook_core import errors
# pylint: disable=too-few-public-methods
class ParseStepsAction(argparse.Action):
"""Argparse action to split a string into a list."""
def __call__(self, __parser, namespace, values, __option_string=None):
setattr(
namespace,
self.dest,
[value.strip() for value in values[0].split(',')],
)
def argument_parser(args):
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"""Parse argumnts"""
parser = argparse.ArgumentParser(description="A song book compiler")
parser.add_argument('--version', help='Show version', action='version',
version='%(prog)s ' + __STR_VERSION__)
parser.add_argument('book', nargs=1, help=textwrap.dedent("""\
Book to compile.
"""))
parser.add_argument('--datadir', '-d', nargs=1, type=str, action='store',
help=textwrap.dedent("""\
Data location. Expected (not necessarily required)
subdirectories are 'songs', 'img', 'latex', 'templates'.
"""))
parser.add_argument('--steps', '-s', nargs=1, type=str,
action=ParseStepsAction,
help=textwrap.dedent("""\
Steps to run. Default is "{steps}".
Available steps are:
"tex" produce .tex file from templates;
"pdf" compile .tex file;
"sbx" compile index files;
"clean" remove temporary files.
""".format(steps=','.join(DEFAULT_STEPS))),
default=DEFAULT_STEPS,
)
options = parser.parse_args(args)
return options
def main():
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"""Main function:"""
# Logging configuration
logging.basicConfig(name='songbook')
logger = logging.getLogger('songbook')
# set script locale to match user's
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error as error:
# Locale is not installed on user's system, or wrongly configured.
sys.stderr.write("Locale error: {}\n".format(error.message))
options = argument_parser(sys.argv[1:])
songbook_path = options.book[0]
basename = os.path.basename(songbook_path)[:-3]
with open(songbook_path) as songbook_file:
songbook = json.load(songbook_file)
if options.datadir is not None:
songbook['datadir'] = options.datadir[0]
elif 'datadir' in songbook.keys():
if not os.path.isabs(songbook['datadir']):
songbook['datadir'] = os.path.join(os.path.dirname(songbook_path),
songbook['datadir']
)
else:
songbook['datadir'] = os.path.dirname(songbook_path)
try:
buildsongbook(
songbook,
basename,
steps=options.steps,
interactive=True,
logger=logger,
)
except errors.SongbookError as error:
logger.error(error)
sys.exit(1)
sys.exit(0)
if __name__ == '__main__':
main()