Performance optimizations #1725
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sl0thentr0py
reviewed
Nov 4, 2022
| elif hasattr( | ||
| receiver, "func" | ||
| ): # certain functions (like partials) dont have a name | ||
| name = "partial(<function " + receiver.func.__name__ + ">)" # type: ignore |
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can the func itself be a partial?
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F*ck... Probably... I will check on Monday
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Ok, func appears to always be the function:
Python 3.10.8 (main, Oct 13 2022, 09:48:40) [Clang 14.0.0 (clang-1400.0.29.102)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> def f(a, b, c, x):
... return 1000*a + 100*b + 10*c + x
...
>>> f
<function f at 0x102752050>
>>> from functools import partial
>>> g = partial(f, 3)
>>> h = partial(g, 1)
>>> g
functools.partial(<function f at 0x102752050>, 3)
>>> h
functools.partial(<function f at 0x102752050>, 3, 1)
>>> h(3, 4)
3134
>>> h.func
<function f at 0x102752050>
>>> g.func
<function f at 0x102752050>
sl0thentr0py
approved these changes
Nov 4, 2022
|
Because I will see if the user can test this and confirm that it makes the situation way better before I merge. |
antonpirker
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antonpirker/1721-django-performance-regression
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Our Django signals integrations added a lot of overhead in some cases.
See: #1721
This code runs now over an order of magnitude faster for getting the name of a partials.
Closes #1721