The whichdb Module

The whichdb module can be used to figure out which database handler was used for a given database file, as shown in Example 10-2.

Example 10-2. Using the whichdb Module

File: whichdb-example-1.py

import whichdb

filename = "database"

result = whichdb.whichdb(filename)

if result:
 print "file created by", result
 handler = _ _import_ _(result)
 db = handler.open(filename, "r")
 print db.keys()
else:
 # cannot identify data base
 if result is None:
 print "cannot read database file", filename
 else:
 print "cannot identify database file", filename
 db = None

Example 10-2 uses the _ _import_ _ function to import a module with the given name.

Core Modules

More Standard Modules

Threads and Processes

Data Representation

File Formats

Mail and News Message Processing

Network Protocols

Internationalization

Multimedia Modules

Data Storage

Tools and Utilities

Platform-Specific Modules

Implementation Support Modules

Other Modules



Python Standard Library
Python Standard Library (Nutshell Handbooks) with
ISBN: 0596000960
EAN: 2147483647
Year: 2000
Pages: 252
Authors: Fredrik Lundh

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