On 26.02.2016 23:37, Ian Kelly wrote:
On Fri, Feb 26, 2016 at 3:08 PM, Sven R. Kunze <srku...@mail.de> wrote:
Python sometimes seems not to hop back and forth between C and Python code.
C code as a rule tends to ignore dunder methods. Those are used to
implement Python operations, not C operations.
Ah, good to know.
_siftup(heap, 0) # that's C
Your comment here appears to be incorrect.
[snip]
So I would guess that the difference here is because one
implementation is entirely C, and the other implementation is entirely
Python.
You are damn right. While implementing xheap and looking at the C
implementation, I just assumed that all Python functions would be
replaced by when the C module is imported. Furthermore, the C module
exports some internal functions (leading _ ) such as _heappop_max. Thus,
I assumed this is true for _siftup without verifying it by looking too
closely at the PyMethodDef and PyModuleDef structs. Sorry for that.
Best,
Sven
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