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

# -*- 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:`presentationmanager` module provides the functionality for importing
Presentationmanager song files into the current database.
"""
import os
import re

import chardet
from lxml import objectify, etree

from openlp.core.common import translate
from openlp.core.ui.lib.wizard import WizardStrings
from .songimport import SongImport


[docs]class PresentationManagerImport(SongImport): """ The :class:`PresentationManagerImport` class provides OpenLP with the ability to import Presentationmanager song files. """
[docs] def do_import(self): self.import_wizard.progress_bar.setMaximum(len(self.import_source)) for file_path in self.import_source: if self.stop_import_flag: return # TODO: Verify format() with template strings self.import_wizard.increment_progress_bar(WizardStrings.ImportingType % os.path.basename(file_path)) try: tree = etree.parse(file_path, parser=etree.XMLParser(recover=True)) except etree.XMLSyntaxError: # Try to detect encoding and use it file = open(file_path, mode='rb') encoding = chardet.detect(file.read())['encoding'] file.close() # Open file with detected encoding and remove encoding declaration text = open(file_path, mode='r', encoding=encoding).read() text = re.sub('.+\?>\n', '', text) try: tree = etree.fromstring(text, parser=etree.XMLParser(recover=True)) except ValueError: self.log_error(file_path, translate('SongsPlugin.PresentationManagerImport', 'File is not in XML-format, which is the only format supported.')) continue root = objectify.fromstring(etree.tostring(tree)) self.process_song(root, file_path)
def _get_attr(self, elem, name): """ Due to PresentationManager's habit of sometimes capitilising the first letter of an element, we have to do some gymnastics. """ if hasattr(elem, name): return str(getattr(elem, name)) name = name[0].upper() + name[1:] if hasattr(elem, name): return str(getattr(elem, name)) else: return ''
[docs] def process_song(self, root, file_path): self.set_defaults() attrs = None if hasattr(root, 'attributes'): attrs = root.attributes elif hasattr(root, 'Attributes'): attrs = root.Attributes if attrs is not None: self.title = self._get_attr(root.attributes, 'title') self.add_author(self._get_attr(root.attributes, 'author')) self.copyright = self._get_attr(root.attributes, 'copyright') self.ccli_number = self._get_attr(root.attributes, 'ccli_number') self.comments = str(root.attributes.comments) if hasattr(root.attributes, 'comments') else None verse_order_list = [] verse_count = {} duplicates = [] for verse in root.verses.verse: original_verse_def = verse.get('id') # Presentation Manager stores duplicate verses instead of a verse order. # We need to create the verse order from that. is_duplicate = False if original_verse_def in duplicates: is_duplicate = True else: duplicates.append(original_verse_def) if original_verse_def.startswith("Verse"): verse_def = 'v' elif original_verse_def.startswith("Chorus") or original_verse_def.startswith("Refrain"): verse_def = 'c' elif original_verse_def.startswith("Bridge"): verse_def = 'b' elif original_verse_def.startswith("End"): verse_def = 'e' else: verse_def = 'o' if not is_duplicate: # Only increment verse number if no duplicate verse_count[verse_def] = verse_count.get(verse_def, 0) + 1 verse_def = '{verse}{count:d}'.format(verse=verse_def, count=verse_count[verse_def]) if not is_duplicate: # Only add verse if no duplicate self.add_verse(str(verse).strip(), verse_def) verse_order_list.append(verse_def) self.verse_order_list = verse_order_list if not self.finish(): self.log_error(os.path.basename(file_path))