[issue27400] Datetime NoneType after calling Py_Finalize and Py_Initialize

[Denny Weinberg]

Denny Weinberg added the comment:

Any news here? 3.6.0 is also affected by this bug.

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[issue27625] "make install" fails when no zlib support available

[Denny Weinberg]

Changes by Denny Weinberg :


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nosy: +Denny Weinberg

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[issue27516] Wrong initialization of python path with embeddable distribution

[Denny Weinberg]

Changes by Denny Weinberg :


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[issue27400] Datetime NoneType after calling Py_Finalize and Py_Initialize

[Denny Weinberg]

Denny Weinberg added the comment:

Just to be clear:

The error happens after these steps:

1. Call strptime
2. Call cpython function "Py_Finalize" and "Py_Initialize"
3. Call strptime again

Now we get the error "attribute of type 'NoneType' is not callable"

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[issue27400] Datetime NoneType after calling Py_Finalize and Py_Initialize

[Denny Weinberg]

New submission from Denny Weinberg:

After calling Py_Finalize and Py_Initialize I get the message "attribute of 
type 'NoneType' is not callable" on the datetime.strptime method.

Example:
from datetime import datetime
s = '20160505 16'
refdatim = datetime.strptime(s, '%Y%m%d %H%M%S')

The first call works fine but it crashes after the re initialization.

Workaround:
from datetime import datetime
s = '20160505 16'
try:
refdatim = datetime.strptime(s, '%Y%m%d %H%M%S')
except TypeError:
import time
refdatim = datetime.fromtimestamp(time.mktime(time.strptime(s, '%Y%m%d 
%H%M%S')))

Related Issue: Issue17408 ("second python execution fails when embedding")

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components: Interpreter Core
messages: 269379
nosy: Denny Weinberg, palm.kevin
priority: normal
severity: normal
status: open
title: Datetime NoneType after calling Py_Finalize and Py_Initialize
type: behavior
versions: Python 3.5

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[issue17408] second python execution fails when embedding

[Denny Weinberg]

Denny Weinberg added the comment:

Ok,

thank you very much for your comments.

See Issue27400

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[issue17408] second python execution fails when embedding

[Denny Weinberg]

Denny Weinberg added the comment:

Can we please reopen this issue?

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[issue17408] second python execution fails when embedding

[Denny Weinberg]

Denny Weinberg added the comment:

Hi,

I think that the problem exists also in python 3.5.1

After calling Py_Finalize and Py_Initialize I get the message "attribute of 
type 'NoneType' is not callable" on the datetime.strptime method.

Example:
from datetime import datetime
s = '20160505 16'
refdatim = datetime.strptime(s, '%Y%m%d %H%M%S')

The first call works find but it crashes after the re initialization.

Workaround:
from datetime import datetime
s = '20160505 16'
try:
refdatim = datetime.strptime(s, '%Y%m%d %H%M%S')
except TypeError:
import time
refdatim = datetime.fromtimestamp(time.mktime(time.strptime(s, '%Y%m%d 
%H%M%S')))

Can anyone confirm this bug? Can you tell me if this will be fixed for python 
3.5/3.6/...?

All the other modules are working find after the re initialization but 
datetime.strptime.

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nosy: +Denny Weinberg
versions: +Python 3.5

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