forked from openlp/openlp
194 lines
8.0 KiB
Python
194 lines
8.0 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2014 Raoul Snyman #
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# Portions copyright (c) 2008-2014 Tim Bentley, Gerald Britton, Jonathan #
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# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
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# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer. #
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# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
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# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
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# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
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# Frode Woldsund, Martin Zibricky #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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The :mod:`cvsbible` modules provides a facility to import bibles from a set of
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CSV files.
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The module expects two mandatory files containing the books and the verses.
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The format of the books file is:
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<book_id>,<testament_id>,<book_name>,<book_abbreviation>
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For example
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1,1,Genesis,Gen
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2,1,Exodus,Exod
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...
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40,2,Matthew,Matt
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There are two acceptable formats of the verses file. They are:
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<book_id>,<chapter_number>,<verse_number>,<verse_text>
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or
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<book_name>,<chapter_number>,<verse_number>,<verse_text>
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For example:
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1,1,1,"In the beginning God created the heaven and the earth."
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or
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"Genesis",1,2,"And the earth was without form, and void; and...."
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All CSV files are expected to use a comma (',') as the delimeter and double
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quotes ('"') as the quote symbol.
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"""
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import logging
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import chardet
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import csv
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from openlp.core.lib import Receiver, translate
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from openlp.plugins.bibles.lib.db import BibleDB, BiblesResourcesDB
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log = logging.getLogger(__name__)
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class CSVBible(BibleDB):
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"""
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This class provides a specialisation for importing of CSV Bibles.
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"""
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log.info(u'CSVBible loaded')
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def __init__(self, parent, **kwargs):
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"""
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Loads a Bible from a set of CSV files.
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This class assumes the files contain all the information and
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a clean bible is being loaded.
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"""
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log.info(self.__class__.__name__)
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BibleDB.__init__(self, parent, **kwargs)
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self.booksfile = kwargs[u'booksfile']
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self.versesfile = kwargs[u'versefile']
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def do_import(self, bible_name=None):
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"""
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Import the bible books and verses.
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"""
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self.wizard.progressBar.setValue(0)
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self.wizard.progressBar.setMinimum(0)
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self.wizard.progressBar.setMaximum(66)
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success = True
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language_id = self.get_language(bible_name)
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if not language_id:
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log.exception(u'Importing books from "%s" failed' % self.filename)
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return False
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books_file = None
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book_list = {}
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# Populate the Tables
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try:
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details = get_file_encoding(self.booksfile)
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books_file = open(self.booksfile, 'r')
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if not books_file.read(3) == '\xEF\xBB\xBF':
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# no BOM was found
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books_file.seek(0)
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books_reader = csv.reader(books_file, delimiter=',', quotechar='"')
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for line in books_reader:
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if self.stop_import_flag:
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break
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self.wizard.incrementProgressBar(unicode(
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translate('BiblesPlugin.CSVBible',
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'Importing books... %s')) %
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unicode(line[2], details['encoding']))
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book_ref_id = self.get_book_ref_id_by_name(
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unicode(line[2], details['encoding']), 67, language_id)
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if not book_ref_id:
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log.exception(u'Importing books from "%s" '\
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'failed' % self.booksfile)
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return False
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book_details = BiblesResourcesDB.get_book_by_id(book_ref_id)
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self.create_book(unicode(line[2], details['encoding']),
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book_ref_id, book_details[u'testament_id'])
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book_list[int(line[0])] = unicode(line[2], details['encoding'])
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Receiver.send_message(u'openlp_process_events')
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except (IOError, IndexError):
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log.exception(u'Loading books from file failed')
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success = False
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finally:
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if books_file:
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books_file.close()
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if self.stop_import_flag or not success:
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return False
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self.wizard.progressBar.setValue(0)
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self.wizard.progressBar.setMaximum(67)
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verse_file = None
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try:
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book_ptr = None
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details = get_file_encoding(self.versesfile)
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verse_file = open(self.versesfile, 'rb')
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if not verse_file.read(3) == '\xEF\xBB\xBF':
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# no BOM was found
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verse_file.seek(0)
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verse_reader = csv.reader(verse_file, delimiter=',', quotechar='"')
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for line in verse_reader:
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if self.stop_import_flag:
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break
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try:
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line_book = book_list[int(line[0])]
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except ValueError:
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line_book = unicode(line[0], details['encoding'])
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if book_ptr != line_book:
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book = self.get_book(line_book)
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book_ptr = book.name
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self.wizard.incrementProgressBar(unicode(translate(
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'BiblesPlugin.CSVBible', 'Importing verses from %s...',
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'Importing verses from <book name>...')) % book.name)
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self.session.commit()
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try:
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verse_text = unicode(line[3], details['encoding'])
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except UnicodeError:
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verse_text = unicode(line[3], u'cp1252')
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self.create_verse(book.id, line[1], line[2], verse_text)
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self.wizard.incrementProgressBar(translate('BiblesPlugin.CSVBible',
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'Importing verses... done.'))
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Receiver.send_message(u'openlp_process_events')
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self.session.commit()
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except IOError:
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log.exception(u'Loading verses from file failed')
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success = False
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finally:
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if verse_file:
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verse_file.close()
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if self.stop_import_flag:
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return False
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else:
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return success
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def get_file_encoding(filename):
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"""
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Utility function to get the file encoding.
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"""
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detect_file = None
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try:
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detect_file = open(filename, 'r')
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details = chardet.detect(detect_file.read(1024))
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except IOError:
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log.exception(u'Error detecting file encoding')
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finally:
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if detect_file:
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detect_file.close()
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return details
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