python-sqlite3-backup 1.0

Sqlite3 online backup API implementation
sqlitebck is a single function that allows to save any sqlite3 database one to another. You can use this for example for loading and dumping memory database (:memory:) into file (alternative to iter dump functionality).

See the Sqlite3 C API docs for more info.

Build and installation

Now you can build or install sqlitebck using distutils:

 python install


Nothing big, just test basic functionality:


Usage example

Basic usage example - memory database saved into file:

>>> import sqlite3
>>> conn = sqlite3.connect(':memory:')
>>> curr = conn.cursor()

# create table and put there some data
>>> curr.execute('CREATE TABLE foo (bar INTEGER)')
< sqlite3.Cursor object at 0xb73b2800 >
>>> curr.execute('INSERT INTO foo VALUES (123)')
< sqlite3.Cursor object at 0xb73b2800 >
>>> curr.close()
>>> conn.commit()
>>> import sqlitebck

# save in memory database (conn) into file
>>> conn2 = sqlite3.connect('/tmp/in_memory_sqlite_db_save.db')
>>> sqlitebck.copy(conn, conn2)
>>> conn.close()
>>> curr2 = conn2.cursor()

# check if data is in file database ;)
>>> curr2.execute('SELECT * FROM foo');
< sqlite3.Cursor object at 0xb73b2860 >
>>> curr2.fetchall()

If you want to load file database into memory, just call:

>>> sqlitebck.copy(conn2, conn)

last updated on:
March 30th, 2012, 1:29 GMT
license type:
MIT/X Consortium License 
developed by:
Piotr Husiatynski
ROOT \ Database \ Database APIs
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