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Apr 10

Pyright and type comments?

I am looking at older version of cupy / cuda (cudart) It looks like it's using Cython. However

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Pyright and type comments?

I am looking at older version of cupy / cuda (cudart) It looks like it's using Cython. However

Apr 10

Gabriel Fougeron, … Leo Hstone7

Apr 8

"Cython memoryview" on existing buffer

Hi! I am trying to achieve something similar, but I already have a 1d memoryview and want to cast it

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"Cython memoryview" on existing buffer

Hi! I am trying to achieve something similar, but I already have a 1d memoryview and want to cast it

Apr 8

Richard Shadrach, … Johannes Fischer7

Mar 30

Performance of C-style vs general memory view access

Found some time to get back to this. First, apologies on that awfully incomplete reproducer. I

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Performance of C-style vs general memory view access

Found some time to get back to this. First, apologies on that awfully incomplete reproducer. I

Mar 30

Brad Hoehne, … Prakhar Goel10

Mar 21

Cython Noob having trouble getting off the ground

Did you move checkplate into the same directory as the rest of your code? What's the output of

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Cython Noob having trouble getting off the ground

Did you move checkplate into the same directory as the rest of your code? What's the output of

Mar 21

raceychan, da-woods2

Mar 6

what does directive decorator `cython.internal` do? is it deprecated?

They don't get added to the module dictionary so are only available from within Cython and not

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what does directive decorator `cython.internal` do? is it deprecated?

They don't get added to the module dictionary so are only available from within Cython and not

Mar 6

Nenner KN, … Johannes Fischer3

Feb 20

MVSC doesn't seem to work with Cython (in my case, at least)

Try to initialize your build env first, something like: "C:\Program Files\Microsoft Visual

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MVSC doesn't seem to work with Cython (in my case, at least)

Try to initialize your build env first, something like: "C:\Program Files\Microsoft Visual

Feb 20

Sebastian Raab, … Stefan Behnel14

Feb 17

Typing Extension Type Object

Am 3. Februar 2025 11:04:28 UTC schrieb Sebastian Raab: >Just to make sure, an here an other

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Typing Extension Type Object

Am 3. Februar 2025 11:04:28 UTC schrieb Sebastian Raab: >Just to make sure, an here an other

Feb 17

Feb 14

Cython subscription for premium git issues priority?

Just an idea. I'd happily subscribe to a monthly Cython donation in exchange for elevated issue

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Cython subscription for premium git issues priority?

Just an idea. I'd happily subscribe to a monthly Cython donation in exchange for elevated issue

Feb 14

Source, da-woods2

Feb 11

Default arguments in extern cppclass

Non-extern cppclass is pretty limited, so I'm not really surprised that i doesn't work. Most

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Default arguments in extern cppclass

Non-extern cppclass is pretty limited, so I'm not really surprised that i doesn't work. Most

Feb 11

Kai-Hsun Chen, da-woods2

Feb 10

Best practice for marking a function as nogil

There isn't a single best practice because most combinations have their uses cdef void some_func(

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Best practice for marking a function as nogil

There isn't a single best practice because most combinations have their uses cdef void some_func(

Feb 10

Prakhar Goel, da-woods4

Feb 1

Cdef class fields and the adaptive interpreter

Interesting. Thanks for looking. -- PG On Sat, Feb 1, 2025, 05:36 da-woods <dw-...@d-woods.co.uk

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Cdef class fields and the adaptive interpreter

Interesting. Thanks for looking. -- PG On Sat, Feb 1, 2025, 05:36 da-woods <dw-...@d-woods.co.uk

Feb 1

Henry S Thompson

Jan 14

Complete working version of cython Queue example?

I've spent several days trying to get this example [1] working, using Python3.11 and Cython 3.0.

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Complete working version of cython Queue example?

I've spent several days trying to get this example [1] working, using Python3.11 and Cython 3.0.

Jan 14

Артем Бабаев (Vavp)

12/23/24

__pyx_vtab of Python object is null, when calling methods from C++

Hello, friends! I'm trying to write a system that can be run in both python and C++. If you build

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__pyx_vtab of Python object is null, when calling methods from C++

Hello, friends! I'm trying to write a system that can be run in both python and C++. If you build

12/23/24

evgeny.b...@gmail.com

12/19/24

const/non-const template type deduction with fused types

Hi, I looking at this fused types / c++ template dediction issue, https://github.com/cython/cython/

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const/non-const template type deduction with fused types

Hi, I looking at this fused types / c++ template dediction issue, https://github.com/cython/cython/

12/19/24

12/18/24

Extern void in pyx, with pxd, linking error "undefined reference to ..."

Just want to announce/update the bench results while waiting for a response that the module I made

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Extern void in pyx, with pxd, linking error "undefined reference to ..."

Just want to announce/update the bench results while waiting for a response that the module I made

12/18/24

Andrew Nelson, da-woods2

12/11/24

Using C++ typedef in cython

ctypedef. eg cdef extern from "myfunc.h" nogil: ctypedef libcpp.complex.complex[double]

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Using C++ typedef in cython

ctypedef. eg cdef extern from "myfunc.h" nogil: ctypedef libcpp.complex.complex[double]

12/11/24

bijan SayyafZadeh, … Daniele Nicolodi5

12/10/24

how to prevent generating .c files

On 09/12/24 19:17, bijan SayyafZadeh wrote: > Absolutely Stefan, > > I have a package with

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how to prevent generating .c files

On 09/12/24 19:17, bijan SayyafZadeh wrote: > Absolutely Stefan, > > I have a package with

12/10/24

Johannes Fischer

12/8/24

std::string_view in Cython

As far as I know, Cython doesn't have any native support for std::string_view yet, right? Is it

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std::string_view in Cython

As far as I know, Cython doesn't have any native support for std::string_view yet, right? Is it

12/8/24

Mateusz Sokol, … da-woods4

12/6/24

Overriding `__module__` property in Cython

Small followup (I also posted on the Numpy issue). The problem is that Python sets `type.__module__`

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Overriding `__module__` property in Cython

Small followup (I also posted on the Numpy issue). The problem is that Python sets `type.__module__`

12/6/24

Daniele Nicolodi

12/5/24

Public declarations in pure Python mode

Hello, is it possible to declare a symbol public (as in usable in C code, like explained here https:/

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Public declarations in pure Python mode

Hello, is it possible to declare a symbol public (as in usable in C code, like explained here https:/

12/5/24

Ethan Craigo, Stefan Behnel3

12/4/24

Odd behavior: pxd not linked to corresponding pyx without self-import in pyx

Hi Stefan; thank you for the response! > This implies that you have a Python package "

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Odd behavior: pxd not linked to corresponding pyx without self-import in pyx

Hi Stefan; thank you for the response! > This implies that you have a Python package "

12/4/24

Alix Damman, Stefan Behnel3

12/3/24

Using Numpy constant NPY_NAN from a pyx script

Hi Stefan, Thanks for the info that the Cython project no longer maintains the NumPy declarations. I

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Using Numpy constant NPY_NAN from a pyx script

Hi Stefan, Thanks for the info that the Cython project no longer maintains the NumPy declarations. I

12/3/24

Gabriel Fougeron, … da-woods6

11/24/24

Double complex on windows ?

I ran the build on github actions and the specific cython version is nowhere to be found in the logs

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Double complex on windows ?

I ran the build on github actions and the specific cython version is nowhere to be found in the logs

11/24/24

11/22/24

calling cython by c language

may solved the problem from here modify main.c to #include <Python.h> #include "example.h

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calling cython by c language

may solved the problem from here modify main.c to #include <Python.h> #include "example.h

11/22/24

11/19/24

Conversion problems between cython and xtensor

Hi, I want to use xtensor through cython as a faster numpy for complex math functions. From my

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Conversion problems between cython and xtensor

Hi, I want to use xtensor through cython as a faster numpy for complex math functions. From my

11/19/24

Prakhar Goel, … Robert Bradshaw5

11/19/24

Low-level object customization

I'm aware. The question is what to do if I don't want theGC, etc... to ignore them. I'd

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Low-level object customization

I'm aware. The question is what to do if I don't want theGC, etc... to ignore them. I'd

11/19/24

Derrick Rose, da-woods2

11/18/24

Logging formatting information, function name and corresponding line number cannot be located

I don't know if there's a good option here. "logging" inspects the stack for the

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Logging formatting information, function name and corresponding line number cannot be located

I don't know if there's a good option here. "logging" inspects the stack for the

11/18/24

Sergey, da-woods2

11/18/24

Leightweight logging library in C/C++ easily used in cython

It's probably easiest to tell Cython that it's a C-style varargs function. Cython will just

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Leightweight logging library in C/C++ easily used in cython

It's probably easiest to tell Cython that it's a C-style varargs function. Cython will just

11/18/24

Sergey, da-woods2

11/18/24

pass variable args to printf

If you need to forward C variable length args, you'd normally use vprintf instead of printf. On

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pass variable args to printf

If you need to forward C variable length args, you'd normally use vprintf instead of printf. On

11/18/24

Jérôme Kieffer, … Peter Schay5

11/17/24

Atomic operations ...

Thanks Peter, As David mentionned, there is a fairly good/portable API in C++ and since Cython can

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Atomic operations ...

Thanks Peter, As David mentionned, there is a fairly good/portable API in C++ and since Cython can

11/17/24