Source code for openlp.plugins.songs.lib.importers.videopsalm

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4

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# OpenLP - Open Source Lyrics Projection                                      #
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# Copyright (c) 2008-2017 OpenLP Developers                                   #
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"""
The :mod:`lyrix` module provides the functionality for importing songs which are
exproted from Lyrix."""

import logging
import json
import os
import re

from openlp.core.common import translate, Settings
from openlp.plugins.songs.lib.importers.songimport import SongImport
from openlp.plugins.songs.lib.db import AuthorType

log = logging.getLogger(__name__)


[docs]class VideoPsalmImport(SongImport): """ Import songs exported from Lyrix """ def __init__(self, manager, **kwargs): """ Initialise the class. """ super(VideoPsalmImport, self).__init__(manager, **kwargs)
[docs] def do_import(self): """ Process the VideoPsalm file - pass in a file-like object, not a file path. """ self.set_defaults() # Open SongBook file song_file = open(self.import_source, 'rt', encoding='utf-8-sig') try: file_content = song_file.read() processed_content = '' inside_quotes = False # The VideoPsalm format is not valid json, it uses illegal line breaks and unquoted keys, this must be fixed file_content_it = iter(file_content) for c in file_content_it: if c == '"': inside_quotes = not inside_quotes # Detect invalid linebreak if c == '\n': if inside_quotes: processed_content += '\\n' # Put keys in quotes. The '-' is for handling nagative numbers elif (c.isalnum() or c == '-') and not inside_quotes: processed_content += '"' + c c = next(file_content_it) while c.isalnum(): processed_content += c c = next(file_content_it) processed_content += '"' + c # Remove control characters elif (c < chr(32)): processed_content += ' ' # Handle escaped characters elif c == '\\': processed_content += c c = next(file_content_it) processed_content += c else: processed_content += c songbook = json.loads(processed_content.strip()) # Get song array songs = songbook['Songs'] self.import_wizard.progress_bar.setMaximum(len(songs)) songbook_name = songbook['Text'] media_folder = os.path.normpath(os.path.join(os.path.dirname(song_file.name), '..', 'Audio')) for song in songs: self.song_book_name = songbook_name if 'Text' in song: self.title = song['Text'] composer = None author = None if 'Composer' in song: composer = song['Composer'] if 'Author' in song: author = song['Author'] if author and composer == author: self.add_author(author, AuthorType.WordsAndMusic) else: if author: self.add_author(author, AuthorType.Words) if composer: self.add_author(composer, AuthorType.Music) if 'Copyright' in song: self.add_copyright(song['Copyright'].replace('\n', ' ').strip()) if 'CCLI' in song: self.ccli_number = song['CCLI'] if 'Theme' in song: self.topics = song['Theme'].splitlines() if 'AudioFile' in song: self.add_media_file(os.path.join(media_folder, song['AudioFile'])) if 'Memo1' in song: self.add_comment(song['Memo1']) if 'Memo2' in song: self.add_comment(song['Memo2']) if 'Memo3' in song: self.add_comment(song['Memo3']) for verse in song['Verses']: if 'Text' not in verse: continue verse_text = verse['Text'] # Strip out chords if set up to if not Settings().value('songs/enable chords') or Settings().value('songs/disable chords import'): verse_text = re.sub(r'\[.*?\]', '', verse_text) self.add_verse(verse_text, 'v') if not self.finish(): self.log_error('Could not import {title}'.format(title=self.title)) except Exception as e: self.log_error(song_file.name, translate('SongsPlugin.VideoPsalmImport', 'Error: {error}').format(error=e))