Patching doesnt work if methods are imported from module

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What steps will reproduce the problem?
1.patch doesnt work if methods are imported from module

from mock import patch

from util.clock import now
from util import clock

with patch('util.clock.now',return_value=666) as _:
        print now(), clock.now()

What is the expected output? What do you see instead?
now() call doesnt get patched but clock.now() gets patched

Expected: 666 666
Actual: 2012-09-03 12:59:31.994025 666
What version of the product are you using? On what operating system?

Please provide any additional information below.

Original issue reported on code.google.com by R.Raghun...@gmail.com on 3 Sep 2012 at 7:35

[GoogleCodeExporter]

typo in title:  Patching doesnt work if methods are imported from module

Original comment by R.Raghun...@gmail.com on 3 Sep 2012 at 7:36

[GoogleCodeExporter]

Patching only replaces individual references. To patch functions / classes that 
you import you need to patch them where they are looked up not where they're 
defined.

See the documentation section "where to patch":

http://www.voidspace.org.uk/python/mock/patch.html#where-to-patch

Original comment by fuzzyman on 3 Sep 2012 at 8:36

• Changed title: Patching doesnt work if methods are imported from module
• Changed state: Invalid