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single chardet for the whole olp1import database

This commit is contained in:
M2j 2010-11-04 23:25:42 +01:00
parent fa89971771
commit 0853e52de7
1 changed files with 20 additions and 15 deletions
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35
openlp/plugins/songs/lib/olp1import.py
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@ -28,7 +28,7 @@ The :mod:`olp1import` module provides the functionality for importing
openlp.org 1.x song databases into the current installation database. openlp.org 1.x song databases into the current installation database.
""" """
import logging import logging
import chardet from chardet.universaldetector import UniversalDetector
import sqlite import sqlite
from openlp.core.lib import translate from openlp.core.lib import translate
@ -66,22 +66,11 @@ class OpenLP1SongImport(SongImport):
``guess`` ``guess``
What chardet guessed the encoding to be. What chardet guessed the encoding to be.
""" """
if guess[u'confidence'] < 0.8:
codec = u'windows-1252'
else:
codec = guess[u'encoding']
try: try:
decoded = unicode(raw, codec) decoded = unicode(raw, guess[u'encoding'])
self.last_encoding = codec
except UnicodeDecodeError: except UnicodeDecodeError:
log.exception(u'Error in detecting openlp.org 1.x database encoding.') log.exception(u'Error in detecting openlp.org 1.x database encoding.')
try: decoded = raw
decoded = unicode(raw, self.last_encoding)
except UnicodeDecodeError:
# possibly show an error form
#self.import_wizard.showError(u'There was a problem '
# u'detecting the encoding of a string')
decoded = raw
return decoded return decoded
def do_import(self): def do_import(self):
@ -112,13 +101,29 @@ class OpenLP1SongImport(SongImport):
cursor.execute(u'SELECT songid, songtitle, lyrics || \'\' AS lyrics, ' cursor.execute(u'SELECT songid, songtitle, lyrics || \'\' AS lyrics, '
u'copyrightinfo FROM songs') u'copyrightinfo FROM songs')
songs = cursor.fetchall() songs = cursor.fetchall()
detector = UniversalDetector()
for author in authors:
detector.feed(author[1])
if detector.done:
break
for index in [1, 3, 2]:
for song in songs:
detector.feed(song[index])
if detector.done:
break
if new_db:
for track in tracks:
detector.feed(track[1])
if detector.done:
break
detector.close()
guess = detector.result
for song in songs: for song in songs:
self.set_defaults() self.set_defaults()
if self.stop_import_flag: if self.stop_import_flag:
success = False success = False
break break
song_id = song[0] song_id = song[0]
guess = chardet.detect(song[1] + song[2] + song[3])
title = self.decode_string(song[1], guess) title = self.decode_string(song[1], guess)
lyrics = self.decode_string(song[2], guess).replace(u'\r', u'') lyrics = self.decode_string(song[2], guess).replace(u'\r', u'')
copyright = self.decode_string(song[3], guess) copyright = self.decode_string(song[3], guess)