Detect v1.0 database at the beginning of the import, not half way through.

Do some detection of the encoding.
This commit is contained in:
Raoul Snyman 2010-09-11 20:51:27 +02:00
parent b303dc3973
commit c1ed2a76e2

View File

@ -28,6 +28,7 @@ The :mod:`olp1import` module provides the functionality for importing
openlp.org 1.x song databases into the current installation database.
"""
import logging
import chardet
try:
import sqlite
except:
@ -63,6 +64,11 @@ class OpenLP1SongImport(SongImport):
# Connect to the database
connection = sqlite.connect(self.import_source)
cursor = connection.cursor()
# Determine if we're using a new or an old DB
cursor.execute(u'SELECT name FROM sqlite_master '
u'WHERE type = \'table\' AND name = \'tracks\'')
table_list = cursor.fetchall()
new_db = len(table_list) > 0
# Count the number of records we need to import, for the progress bar
cursor.execute(u'SELECT COUNT(songid) FROM songs')
count = int(cursor.fetchone()[0])
@ -71,9 +77,10 @@ class OpenLP1SongImport(SongImport):
# "cache" our list of authors
cursor.execute(u'SELECT authorid, authorname FROM authors')
authors = cursor.fetchall()
# "cache" our list of tracks
cursor.execute(u'SELECT trackid, fulltrackname FROM tracks')
tracks = cursor.fetchall()
if new_db:
# "cache" our list of tracks
cursor.execute(u'SELECT trackid, fulltrackname FROM tracks')
tracks = cursor.fetchall()
# Import the songs
cursor.execute(u'SELECT songid, songtitle, lyrics || \'\' AS lyrics, '
u'copyrightinfo FROM songs')
@ -84,9 +91,22 @@ class OpenLP1SongImport(SongImport):
success = False
break
song_id = song[0]
title = unicode(song[1], u'cp1252')
lyrics = unicode(song[2], u'cp1252').replace(u'\r', u'')
copyright = unicode(song[3], u'cp1252')
encoding = chardet.detect(song[1])
if encoding[u'confidence'] < 0.9:
title = unicode(song[1], u'windows-1251')
else:
title = unicode(song[1], encoding[u'encoding'])
encoding = chardet.detect(song[2])
if encoding[u'confidence'] < 0.9:
lyrics = unicode(song[2], u'windows-1251')
else:
lyrics = unicode(song[2], encoding[u'encoding'])
lyrics = lyrics.replace(u'\r', u'')
encoding = chardet.detect(song[3])
if encoding[u'confidence'] < 0.9:
copyright = unicode(song[3], u'windows-1251')
else:
copyright = unicode(song[3], encoding[u'encoding'])
self.import_wizard.incrementProgressBar(
unicode(translate('SongsPlugin.ImportWizardForm',
'Importing "%s"...')) % title)
@ -102,15 +122,16 @@ class OpenLP1SongImport(SongImport):
break
for author in authors:
if author[0] == author_id[0]:
self.parse_author(unicode(author[1], u'cp1252'))
encoding = chardet.detect(author[1])
if encoding[u'confidence'] < 0.9:
self.parse_author(unicode(author[1], u'windows-1251'))
else:
self.parse_author(unicode(author[1], encoding[u'encoding']))
break
if self.stop_import_flag:
success = False
break
cursor.execute(u'SELECT name FROM sqlite_master '
u'WHERE type = \'table\' AND name = \'tracks\'')
table_list = cursor.fetchall()
if len(table_list) > 0:
if new_db:
cursor.execute(u'SELECT trackid FROM songtracks '
u'WHERE songid = %s ORDER BY listindex' % song_id)
track_ids = cursor.fetchall()
@ -120,7 +141,11 @@ class OpenLP1SongImport(SongImport):
break
for track in tracks:
if track[0] == track_id[0]:
self.add_media_file(unicode(track[1], u'cp1252'))
encoding = chardet.detect(author[1])
if encoding[u'confidence'] < 0.9:
self.add_media_file(unicode(track[1], u'windows-1251'))
else:
self.add_media_file(unicode(track[1], encoding[u'encoding']))
break
if self.stop_import_flag:
success = False