forked from openlp/openlp
Added openlp-1to2-converter.py
This commit is contained in:
Raoul Snyman
parent
1cfa0e560b
commit
01b513d3bb
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import sys
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import os
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import sqlite
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import sqlite3
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import chardet
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from optparse import OptionParser
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from traceback import format_tb as get_traceback
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# Some global options to be used throughout the import process
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verbose = False
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debug = False
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old_cursor = None
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new_cursor = None
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# SQL create statments
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create_statements = [
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u"""CREATE TABLE authors (
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id INTEGER NOT NULL,
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first_name VARCHAR(128),
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last_name VARCHAR(128),
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display_name VARCHAR(255) NOT NULL,
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PRIMARY KEY (id)
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)""",
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u"""CREATE TABLE song_books (
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id INTEGER NOT NULL,
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name VARCHAR(128) NOT NULL,
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publisher VARCHAR(128),
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PRIMARY KEY (id)
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)""",
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u"""CREATE TABLE songs (
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id INTEGER NOT NULL,
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song_book_id INTEGER,
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title VARCHAR(255) NOT NULL,
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lyrics TEXT NOT NULL,
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verse_order VARCHAR(128),
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copyright VARCHAR(255),
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comments TEXT,
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ccli_number VARCHAR(64),
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song_number VARCHAR(64),
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theme_name VARCHAR(128),
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search_title VARCHAR(255) NOT NULL,
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search_lyrics TEXT NOT NULL,
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PRIMARY KEY (id),
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FOREIGN KEY(song_book_id) REFERENCES song_books (id)
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)""",
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u"""CREATE TABLE topics (
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id INTEGER NOT NULL,
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name VARCHAR(128) NOT NULL,
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PRIMARY KEY (id)
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)""",
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u"""CREATE INDEX ix_songs_search_lyrics ON songs (search_lyrics)""",
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u"""CREATE INDEX ix_songs_search_title ON songs (search_title)""",
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u"""CREATE TABLE authors_songs (
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author_id INTEGER NOT NULL,
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song_id INTEGER NOT NULL,
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PRIMARY KEY (author_id, song_id),
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FOREIGN KEY(author_id) REFERENCES authors (id),
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FOREIGN KEY(song_id) REFERENCES songs (id)
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)""",
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u"""CREATE TABLE songs_topics (
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song_id INTEGER NOT NULL,
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topic_id INTEGER NOT NULL,
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PRIMARY KEY (song_id, topic_id),
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FOREIGN KEY(song_id) REFERENCES songs (id),
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FOREIGN KEY(topic_id) REFERENCES topics (id)
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)"""
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]
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def create_database():
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global new_cursor, create_statements
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if debug or verbose:
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print 'Creating new database:'
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else:
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print 'Creating new database...',
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for sql_create in create_statements:
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if debug:
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print '... ', sql_create.replace('\n', ' ').replace(' ', ' ')
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elif verbose:
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if sql_create[:12] == u'CREATE TABLE':
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print '... creating table "%s"...' % sql_create[13, sql_create.find(u'(') - 2],
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elif sql_create[:12] == u'CREATE INDEX':
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print '... creating index "%s"...' % sql_create[13, sql_create.find(u'ON') - 2],
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new_cursor.execute(sql_create)
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if verbose and not debug:
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print 'done.'
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if not verbose and not debug:
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print 'done.'
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def import_songs():
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global old_cursor, new_cursor, debug, verbose
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if debug or verbose:
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print 'Importing authors:'
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else:
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print 'Importing authors...',
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if debug:
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print '... SELECT authorid AS id, authorname AS displayname FROM authors'
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elif verbose:
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print '... fetching authors from old database...',
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old_cursor.execute(u'SELECT authorid AS id, authorname AS displayname FROM authors')
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rows = old_cursor.fetchall()
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if not debug and verbose:
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print 'done.'
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author_map = {}
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for row in rows:
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names = row[1].split(u' ')
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first_name = names[0]
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last_name = u' '.join(names[1:])
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if last_name is None:
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last_name = u''
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sql_insert = u'INSERT INTO authors '\
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'(id, first_name, last_name, display_name) '\
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'VALUES (NULL, "%s", "%s", "%s")'\
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% (first_name, last_name, row['displayname'])
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if debug:
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print '...', str(sql_insert)
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elif verbose:
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print '... importing "%s"' % row['displayname']
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new_cursor.execute(sql_insert)
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author_map[row[0]] = new_cursor.lastrowid
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if debug:
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print ' >>> authors.authorid =', row[0], 'authors.id =', author_map[row[0]]
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if not verbose and not debug:
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print 'done.'
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if debug or verbose:
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print 'Importing songs:'
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else:
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print 'Importing songs...',
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if debug:
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print '... SELECT songid AS id, songtitle AS title, lyrics, copyrightinfo AS copyright FROM songs'
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elif verbose:
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print '... fetching songs from old database...',
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old_cursor.execute(u'SELECT songid AS id, songtitle AS title, lyrics, copyrightinfo AS copyright FROM songs')
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rows = old_cursor.fetchall()
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if not debug and verbose:
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print 'done.'
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song_map = {}
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xml_lyrics_template = u'<?xml version="1.0" encoding="utf-8"?><song version="1.0"><lyrics language="en">%s</lyrics></song>'
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xml_verse_template = u'<verse label="%d" type="Verse"><![CDATA[%s]]></verse>'
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for row in rows:
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print row[2].decode('iso-8859-1')
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text_lyrics = unicode(row[2], 'iso-8859-1').split(u'\n\n')
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xml_lyrics = u''
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for line, verse in enumerate(text_lyrics):
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if not verse:
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continue
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xml_lyrics += (xml_lyrics_template % (line, verse))
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xml_verse = xml_verse_template % xml_lyrics
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clean_title = row[1]
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clean_lyrics = row[2]
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sql_insert = u'INSERT INTO songs '\
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'(id, title, lyrics, copyright, search_title, search_lyrics) '\
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'VALUES (NULL, "%s", "%s", "%s", "%s", "%s")'\
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% (row[1], xml_lyrics, row[3], clean_title, clean_lyrics)
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if debug:
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print '...', str(sql_insert)
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elif verbose:
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print '... importing "%s"' % row[u'title']
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new_cursor.execute(sql_insert)
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song_map[row[0]] = new_cursor.lastrowid
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if not verbose and not debug:
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print 'done.'
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if debug or verbose:
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print 'Importing song-to-author mapping:'
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else:
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print 'Importing song-to-author mapping...',
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if debug:
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print '... SELECT authorid AS author_id, songid AS song_id FROM songauthors'
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elif verbose:
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print '... fetching song-to-author mapping from old database...',
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old_cursor.execute(u'SELECT songid AS id, songtitle AS title, lyrics, copyrightinfo AS copyright FROM songs')
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rows = old_cursor.fetchall()
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if not debug and verbose:
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print 'done.'
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for row in rows:
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sql_insert = u'INSERT INTO authors_songs '\
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'(author_id, song_id) '\
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'VALUES (%d, %d)'\
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% (author_map[row[u'author_id']], song_map[row[u'song_id']])
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if debug:
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print '... ', str(sql_insert)
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elif verbose:
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print '... Author %d (was %d) => Song %d (was %d)'\
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% (int(row[0]), author_map[row[0]],
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int(row[1]), song_map[row[1]])
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new_cursor.execute(sql_insert)
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if not verbose and not debug:
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print 'done.'
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def main(old_db, new_db):
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global old_cursor, new_cursor, debug
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old_connection = None
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new_connection = None
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try:
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old_connection = sqlite.connect(old_db)
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except:
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if debug:
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errormsg = '\n' + ''.join(get_traceback(sys.exc_info()[2]))\
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+ str(sys.exc_info()[1])
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else:
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errormsg = sys.exc_info()[1]
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print 'There was a problem connecting to the old database:', errormsg
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return 1
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try:
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new_connection = sqlite3.connect(new_db)
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except:
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if debug:
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errormsg = '\n' + ''.join(get_traceback(sys.exc_info()[2]))\
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+ str(sys.exc_info()[1])
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else:
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errormsg = sys.exc_info()[1]
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print 'There was a problem creating the new database:', errormsg
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return 1
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old_cursor = old_connection.cursor()
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new_cursor = new_connection.cursor()
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try:
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create_database()
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except:
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if debug:
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errormsg = '\n' + ''.join(get_traceback(sys.exc_info()[2]))\
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+ str(sys.exc_info()[1])
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else:
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errormsg = sys.exc_info()[1]
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print 'There was a problem creating the database:', errormsg
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return 1
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try:
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import_songs()
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new_connection.commit()
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except:
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new_connection.rollback()
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if debug:
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errormsg = '\n' + ''.join(get_traceback(sys.exc_info()[2]))\
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+ str(sys.exc_info()[1])
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else:
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errormsg = sys.exc_info()[1]
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print 'There was a problem importing songs:', errormsg
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return 1
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print 'Import complete.'
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if __name__ == u'__main__':
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option_parser = OptionParser(usage='Usage: %prog [options] OLDDATABASE NEWDATABASE')
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option_parser.add_option('-o', '--overwrite', dest='overwrite', default=False,
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action=u'store_true', help='Overwrite database file if it already exists.')
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option_parser.add_option('-v', '--verbose', dest='verbose', default=False,
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action=u'store_true', help='Outputs additional progress data.')
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option_parser.add_option('-d', '--debug', dest='debug', default=False,
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action=u'store_true', help='Outputs raw SQL statements (overrides verbose).')
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options, arguments = option_parser.parse_args()
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if len(arguments) < 2:
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if len(arguments) == 0:
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option_parser.error('Please specify an old database and a new database.')
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else:
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option_parser.error('Please specify a new database.')
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old_db = os.path.abspath(arguments[0])
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new_db = os.path.abspath(arguments[1])
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if not os.path.isfile(old_db):
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option_parser.error('Old database file ("%s") is not a file.' % old_db)
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if not os.path.exists(old_db):
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option_parser.error('Old database file ("%s") does not exist.' % old_db)
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if os.path.exists(new_db):
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if not options.overwrite:
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option_parser.error('New database file ("%s") exists. If you want to overwrite it, specify the --overwrite option.' % new_db)
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else:
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if not os.path.isfile(new_db):
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option_parser.error('New database file ("%s") is not a file.' % new_db)
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os.unlink(new_db)
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verbose = options.verbose
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debug = options.debug
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main(old_db, new_db)
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