Marc-Andre Lemburg <m...@egenix.com> added the comment:
Alexander Belopolsky wrote:
>
> Alexander Belopolsky <belopol...@users.sourceforge.net> added the comment:
>
>> To avoid the wasted memory and import time, it's better to use:
>>
>> try:
>> from _cmodule import *
>> except ImportError:
>> from _pymodule import *
>>
>
> .. also this makes it harder to prototype things in Python or have mixed
> Python/C modules. The goal is to use Python implementation unless native
> implementation exists on per function/class basis. The syntax above makes it
> all or nothing.
Why ?
You can have the Python parts that are used by both implementation
defined in the datetime.py module.
Alternatively, you could write:
try:
# Use the faster C version
from _module import *
except ImportError:
# Use Python
class datetime:
...
I find that rather ugly, though.
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<http://bugs.python.org/issue7989>
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