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 = NoneExample 10-2 uses the _ _import_ _ function to import
a module with the given name.
..................Content has been hidden....................
You can't read the all page of ebook, please click here login for view all page.