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b6dc25a368
The recent switch to Python3 (2ccdf0e396e82dd) introduced a regression
that led to file content no longer being compared:
In compareEntries(), two generators/iterators are created:
sourceInfoList = filter(lambda sourceInfo: …, sourceZip.infolist())
destinationInfoList = filter(lambda destinationInfo: …, destinationZip.infolist())
Few lines later, those are exhausted:
if len(sourceInfoList) != len(destinationInfoList):
Yet another few lines later, the exhausted generator is used again:
for sourceEntryInfo in sourceInfoList:
… # <-- unreachable
This is caused by behavioral differences between Python2 and Python3:
user@z_signal:~$ python2
Python 2.7.13 (default, Sep 26 2018, 18:42:22)
[GCC 6.3.0 20170516] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> f = filter(lambda i: i % 2 == 0, [0, 1, 2, 3, 4, 5, 6])
>>> list(f)
[0, 2, 4, 6]
>>> list(f)
[0, 2, 4, 6]
>>>
user@z_signal:~$ python3
Python 3.5.3 (default, Sep 27 2018, 17:25:39)
[GCC 6.3.0 20170516] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> f = filter(lambda i: i % 2 == 0, [0, 1, 2, 3, 4, 5, 6])
>>> list(f)
[0, 2, 4, 6]
>>> list(f)
[]
>>>