#! /usr/bin/env python
__all__ = ['Author', 'Book', 'Extension', 'Genre', 'Language',
- 'init_db',
+ 'init_db', 'insert_name',
]
import os
from sqlobject import SQLObject, StringCol, UnicodeCol, IntCol, BoolCol, \
- ForeignKey, DateCol, connectionForURI, sqlhub, dberrors
+ ForeignKey, DateCol, RelatedJoin, \
+ connectionForURI, sqlhub, SQLObjectNotFound, dberrors
from .config import ml_conf
try:
db_uri = 'sqlite://%s' % db_file.replace(os.sep, '/')
-sqlhub.processConnection = connectionForURI(db_uri)
+
+sqlhub.processConnection = connection = connectionForURI(db_uri)
+
+if connection.dbName == 'sqlite':
+ # Speedup SQLite connection
+ connection.query("PRAGMA synchronous=OFF")
+ connection.query("PRAGMA count_changes=OFF")
+ connection.query("PRAGMA journal_mode=MEMORY")
+ connection.query("PRAGMA temp_store=MEMORY")
class Author(SQLObject):
name = UnicodeCol(unique=True)
count = IntCol()
+ books = RelatedJoin('Book', otherColumn='book_id')
class Book(SQLObject):
- author = ForeignKey('Author')
- genre = ForeignKey('Genre')
+ authors = RelatedJoin('Author')
+ genres = RelatedJoin('Genre')
title = UnicodeCol()
series = UnicodeCol()
ser_no = IntCol()
size = IntCol()
lib_id = StringCol()
deleted = BoolCol()
- ext = ForeignKey('Extension')
+ extension = ForeignKey('Extension')
date = DateCol()
language = ForeignKey('Language')
name = StringCol(unique=True)
title = UnicodeCol()
count = IntCol()
+ books = RelatedJoin('Book', otherColumn='book_id')
class Language(SQLObject):
return
+def insert_name(table, name):
+ try:
+ return table.byName(name)
+ except SQLObjectNotFound:
+ return table(name=name, count=0)
+
+
def test():
print "DB dirs:", db_dirs
if db_uri: