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Code: Alles auswählen

>>> m1 = __import__('tests.test_couponconfig')
>>> m2 = __import__('tests.test_couponalchemist')
>>> m3 = __import__('tests.test_couponconfig', globals, locals)
>>> m1 == m2
True
>>> m1 == m3
True
>>> 

Code: Alles auswählen

import unittest

modules_to_test = (
        'tests.test_couponconfig',
        'tests.test_couponalchemist'
        )

def suite():
    tloader = unittest.defaultTestLoader
    alltests = unittest.TestSuite()

    for module in map(__import__, modules_to_test):
        alltests.addTest(tloader.loadTestsFromModule(module))
    return alltests

if __name__ == "__main__":
    unittest.main(defaultTest="suite")

Code: Alles auswählen

>>> import_string("cgi")
<module 'cgi' from '/opt/local/lib/python2.5/cgi.pyc'>
>>> import_string("cgi.escape")
<function escape at 0x11f6f30>
>>> import_string("xml.sax.saxutils.escape")
<function escape at 0x135f8f0>

Code: Alles auswählen

def import2(from_name, object_name=[]):
    """
    from 'from_name' import 'object_name'
    """
    obj = __import__(from_name, fromlist=[object_name])
    if object_name==[]:
        return obj

    try:
        return getattr(obj, object_name)
    except AttributeError, e:
        raise AttributeError(
            "'%s' object has no attribute '%s" % (obj.__name__, object_name)
        )

# from import
t = import2("time", "time")
print t()

# normaler import
s = import2("sys")
print s.version

d = import2("datetime", "datetime")
print d.now()

s = import2("os.path", "sep")
print s

try:
    import2("existiertnicht")
except ImportError, e:
    print "Fehler 1:", e

try:
    import2("os", "gibtsnicht")
except AttributeError, e:
    print "Fehler 2:", e

Code: Alles auswählen

def import2(from_name, fromlist=None, globals={}, locals={}):
    """
    A easy __import__ function.
    TODO: Python 2.5 level argument not supported, yet.
    Link: http://www.python-forum.de/topic-14591.html (de)

    >>> import sys
    >>> sys2 = import2("sys")
    >>> sys is sys2
    True

    >>> from time import time
    >>> time2 = import2("time", "time")
    >>> time is time2
    True

    >>> from os.path import sep
    >>> sep2 = import2("os.path", "sep")
    >>> sep is sep2
    True

    >>> from os import sep, pathsep
    >>> sep2, pathsep2 = import2("os", ["sep", "pathsep"])
    >>> sep is sep2 ; pathsep is pathsep2
    True
    True

    >>> import2("existiertnicht")
    Traceback (most recent call last):
        ...
    ImportError: No module named existiertnicht

    >>> import2("os", "gibtsnicht")
    Traceback (most recent call last):
        ...
    AttributeError: 'os' object has no attribute 'gibtsnicht
    """

    if isinstance(fromlist, basestring):
        # Only one from objects name
        fromlist = [fromlist]

    obj = __import__(from_name, globals, locals, fromlist)
    if fromlist==None:
        # Without a fromlist
        return obj

    # get all 'fromlist' objects
    result = []
    for object_name in fromlist:
        try:
            result.append(getattr(obj, object_name))
        except AttributeError, e:
            msg = "'%s' object has no attribute '%s" % (
                obj.__name__, object_name
            )
            raise AttributeError(msg)

    if len(result) == 1:
        return result[0]
    else:
        return result



if __name__ == "__main__": # doctest
    #~ verbose = False
    verbose = True
    import doctest
    doctest.testmod(verbose=verbose)