New submission from Keith Chewning:
If I %paste this code into an ipython shell the test passes. If this is saved
to a file DictTest.py and run with ./DictTest.py -m the test fails. with the
error
name 'keys' is not defined
If the variable keys is made global, as is suggested in the comment, the test
passes with both methods of execution. Is there a scoping issue with executing
this as a script?
I am using version: '3.4.1 |Anaconda 2.1.0 (64-bit)| (default, Sep 10 2014,
17:10:18) \n[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)]'
import unittest
class DictTest(unittest.TestCase):
def test_dict_comprehension(self):
code =
d = {'a':1, 'b':2, 'c':3, 'd':4}
# global keys # UNCOMMENT FOR TEST TO PASS
keys = ['a', 'd']
items = d.items()
nd = {k: v for k, v in items if k in keys}
print(' ' + str(nd))
try:
exec(code)
except Exception as e:
self.assertTrue(False, Exec ERROR %s % e)
def main():
dt = DictTest()
dt.test_dict_comprehension()
if __name__ =='__main__':main()
--
messages: 232907
nosy: Keith.Chewning
priority: normal
severity: normal
status: open
title: Exec variable not found error
type: behavior
versions: Python 3.4
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http://bugs.python.org/issue23087
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