openlp/openlp/plugins/bibles/lib/csvbible.py

115 lines
4.9 KiB
Python

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2011 Raoul Snyman #
# Portions copyright (c) 2008-2011 Tim Bentley, Jonathan Corwin, Michael #
# Gorven, Scott Guerrieri, Meinert Jordan, Andreas Preikschat, Christian #
# Richter, Philip Ridout, Maikel Stuivenberg, Martin Thompson, Jon Tibble, #
# Carsten Tinggaard, Frode Woldsund #
# --------------------------------------------------------------------------- #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the Free #
# Software Foundation; version 2 of the License. #
# #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
import logging
import chardet
import csv
from PyQt4 import QtCore
from openlp.core.lib import Receiver, translate
from db import BibleDB
log = logging.getLogger(__name__)
class CSVBible(BibleDB):
"""
This class provides a specialisation for importing of CSV Bibles.
"""
def __init__(self, parent, **kwargs):
"""
Loads a Bible from a pair of CVS files passed in
This class assumes the files contain all the information and
a clean bible is being loaded.
"""
log.info(self.__class__.__name__)
BibleDB.__init__(self, parent, **kwargs)
self.booksfile = kwargs[u'booksfile']
self.versesfile = kwargs[u'versefile']
QtCore.QObject.connect(Receiver.get_receiver(),
QtCore.SIGNAL(u'bibles_stop_import'), self.stop_import)
def do_import(self):
success = True
books_file = None
book_ptr = None
verse_file = None
# Populate the Tables
try:
books_file = open(self.booksfile, 'r')
dialect = csv.Sniffer().sniff(books_file.read(1024))
books_file.seek(0)
books_reader = csv.reader(books_file, dialect)
for line in books_reader:
# cancel pressed
if self.stop_import_flag:
break
details = chardet.detect(line[1])
self.create_book(unicode(line[1], details['encoding']),
line[2], int(line[0]))
Receiver.send_message(u'openlp_process_events')
except IOError, IndexError:
log.exception(u'Loading books from file failed')
success = False
finally:
if books_file:
books_file.close()
if not success:
return False
try:
verse_file = open(self.versesfile, 'r')
dialect = csv.Sniffer().sniff(verse_file.read(1024))
verse_file.seek(0)
verse_reader = csv.reader(verse_file, dialect)
for line in verse_reader:
if self.stop_import_flag:
# cancel pressed
break
details = chardet.detect(line[3])
if book_ptr != line[0]:
book = self.get_book(line[0])
book_ptr = book.name
self.wizard.incrementProgressBar(unicode(translate(
'BiblesPlugin.CSVImport', 'Importing %s %s...',
'Importing <book name> <chapter>...')) %
(book.name, int(line[1])))
self.session.commit()
self.create_verse(book.id, line[1], line[2],
unicode(line[3], details['encoding']))
Receiver.send_message(u'openlp_process_events')
self.session.commit()
except IOError:
log.exception(u'Loading verses from file failed')
success = False
finally:
if verse_file:
verse_file.close()
if self.stop_import_flag:
return False
else:
return success