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python-cffi

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Lawrence Butcher, … Armin Rigo8

Jun 1

cffi defective LICENSE information

Hi Juan, On Sun, 1 Jun 2025 at 13:21, Juan Jose Hasbun Wood <ju...@hasbun-wood-engineering.de>

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cffi defective LICENSE information

Hi Juan, On Sun, 1 Jun 2025 at 13:21, Juan Jose Hasbun Wood <ju...@hasbun-wood-engineering.de>

Jun 1

russm, Armin Rigo3

Mar 28

Accessing struct field metadata from python

Oh, that's perfect, thanks! (Bonus for the fields in definition order rather than alphabetical so

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Accessing struct field metadata from python

Oh, that's perfect, thanks! (Bonus for the fields in definition order rather than alphabetical so

Mar 28

Yonatan Getachew

10/22/24

Error when installing

× pip subprocess to install build dependencies did not run successfully. │ exit code: 1 ╰─> [79

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Error when installing

× pip subprocess to install build dependencies did not run successfully. │ exit code: 1 ╰─> [79

10/22/24

10/17/24

old-style callback not working on Windows 11

I've diagnosed further the issue. Still not sure whether the old callback style function plays a

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old-style callback not working on Windows 11

I've diagnosed further the issue. Still not sure whether the old callback style function plays a

10/17/24

10/7/24

Is it straight-forward to use CFFI with CUDA/nvcc? If so: are there any recommendations for best

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Is it straight-forward to use CFFI with CUDA/nvcc? If so: are there any recommendations for best

10/7/24

7/27/24

HPUX server failing to connect to PYPI. SSL Configuration needed...

Example: ./python3 -m pip --client-cert ~/2028.eaitdq.pem --cert ~/enterprise.cacerts search request

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HPUX server failing to connect to PYPI. SSL Configuration needed...

Example: ./python3 -m pip --client-cert ~/2028.eaitdq.pem --cert ~/enterprise.cacerts search request

7/27/24

Russell Werth, Armin Rigo7

7/27/24

Which installation package to download for HPUX UNIX

Totally agree Armin, we will proceed with the manual downloads for now. Have a great weekend. On

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Which installation package to download for HPUX UNIX

Totally agree Armin, we will proceed with the manual downloads for now. Have a great weekend. On

7/27/24

v...@viblo.se, Armin Rigo5

7/23/24

How to show printf stderr/stdout in IDLE

Thanks for the detailed answer! I think I know my options now, and will do some experimentation. /

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How to show printf stderr/stdout in IDLE

Thanks for the detailed answer! I think I know my options now, and will do some experimentation. /

7/23/24

jayesh bhoi, … Joel Vibert3

6/4/24

ffi.error: struct tr_tcp_config: wrong total size (cdef says 24, but C compiler says 48). fix it or use "...;"

Hi, Even if two declarations of structs are absolutely identical, they may correspond to distinct

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ffi.error: struct tr_tcp_config: wrong total size (cdef says 24, but C compiler says 48). fix it or use "...;"

Hi, Even if two declarations of structs are absolutely identical, they may correspond to distinct

6/4/24

5/2/24

Package wheels built for different CPUs (i.e. --march=native or avx)

Hi! I wonder if there's some examples / ideas how to (if possible) package cffi libraries

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Package wheels built for different CPUs (i.e. --march=native or avx)

Hi! I wonder if there's some examples / ideas how to (if possible) package cffi libraries

5/2/24

Василий Повереннов, Armin Rigo8

12/21/23

Type of a c function is "int(*)(int)" in ABI mode vs "built-in method" in API mode

Thank you so much! This is way beyond my expectations On Wednesday 20 December 2023 at 18:58:38 UTC+4

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Type of a c function is "int(*)(int)" in ABI mode vs "built-in method" in API mode

Thank you so much! This is way beyond my expectations On Wednesday 20 December 2023 at 18:58:38 UTC+4

12/21/23

Michael Karlesky, … Armin Rigo7

11/21/23

Help with unions inside structs?

Bingo. That worked. Thank you again, Armin! On Tue, Nov 21, 2023 at 2:05 AM Armin Rigo <armin.rigo

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Help with unions inside structs?

Bingo. That worked. Thank you again, Armin! On Tue, Nov 21, 2023 at 2:05 AM Armin Rigo <armin.rigo

11/21/23

9/28/23

CFFI 1.16.0 release available

Hi all, The new 1.16.0 release of CFFI has been tagged on GitHub and is available on PyPI. The new

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CFFI 1.16.0 release available

Hi all, The new 1.16.0 release of CFFI has been tagged on GitHub and is available on PyPI. The new

9/28/23

9/25/23

CFFI 1.16.0rc1 available

Hi all, The new 1.16.0rc1 pre-release of CFFI has been tagged on GitHub and is available for testing

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CFFI 1.16.0rc1 available

Hi all, The new 1.16.0rc1 pre-release of CFFI has been tagged on GitHub and is available for testing

9/25/23

9/25/23

CFFI project moved to GitHub

Hi all, The primary source repository for the CFFI project has been moved from https://foss.heptapod.

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CFFI project moved to GitHub

Hi all, The primary source repository for the CFFI project has been moved from https://foss.heptapod.

9/25/23

Sam James, … Armin Rigo5

9/21/23

New cffi release?

Hi again, Note that the issue already there is on Windows. If you see a problem on a different

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New cffi release?

Hi again, Note that the issue already there is on Windows. If you see a problem on a different

9/21/23

Helder Eijs, Armin Rigo2

9/13/23

cffi.dlopen crashes on Windows with Python 3.12

Hi, On Wed, 13 Sept 2023 at 12:27, Helder Eijs <held...@gmail.com> wrote: > Python 3.12

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cffi.dlopen crashes on Windows with Python 3.12

Hi, On Wed, 13 Sept 2023 at 12:27, Helder Eijs <held...@gmail.com> wrote: > Python 3.12

9/13/23

itsk, Armin Rigo2

9/6/23

Who is the manufacturer/vendor for this CFFI project?

Hi Itsk, On Wed, 6 Sept 2023 at 10:31, itsk <itsk...@gmail.com> wrote: > I am working on a

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Who is the manufacturer/vendor for this CFFI project?

Hi Itsk, On Wed, 6 Sept 2023 at 10:31, itsk <itsk...@gmail.com> wrote: > I am working on a

9/6/23

Paul Nader, Armin Rigo5

6/27/23

Variadic function calls

Hi again, On Tue, 27 Jun 2023 at 13:39, Armin Rigo <armin...@gmail.com> wrote: >

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Variadic function calls

Hi again, On Tue, 27 Jun 2023 at 13:39, Armin Rigo <armin...@gmail.com> wrote: >

6/27/23

5/14/23

For those with problems compiling with Python on Windows

For those that have seen these kinds of errors. ```distutils.errors.DistutilsPlatformError: Microsoft

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For those with problems compiling with Python on Windows

For those that have seen these kinds of errors. ```distutils.errors.DistutilsPlatformError: Microsoft

5/14/23

f3flight (f3flight), Armin Rigo5

5/10/23

How to build cffi without linking against libffi?

Hi ! On Wed, 10 May 2023 at 03:40, f3flight (f3flight) <f3fl...@gmail.com> wrote: > static

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How to build cffi without linking against libffi?

Hi ! On Wed, 10 May 2023 at 03:40, f3flight (f3flight) <f3fl...@gmail.com> wrote: > static

5/10/23

mt, … Armin Rigo9

4/6/23

Can cffi support macro constant of char and const char*?

Hi Paulo, On Thu, 6 Apr 2023 at 15:32, 'Paulo Meira' via python-cffi <python-cffi@

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Can cffi support macro constant of char and const char*?

Hi Paulo, On Thu, 6 Apr 2023 at 15:32, 'Paulo Meira' via python-cffi <python-cffi@

4/6/23

Paul Nader, Armin Rigo3

3/15/23

Defining callbacks at runtime

Hi Armin, Thanks for the quick response! I changed them from @ffi.def_extern() to @ffi.callback(..)

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Defining callbacks at runtime

Hi Armin, Thanks for the quick response! I changed them from @ffi.def_extern() to @ffi.callback(..)

3/15/23

lgau...@gmail.com, Armin Rigo3

3/12/23

cffi and non-reentrant C libraries

Thanks Armin, this is very helpful. Le sam. 4 mars 2023 à 18:08, Armin Rigo <armin...@gmail.com

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cffi and non-reentrant C libraries

Thanks Armin, this is very helpful. Le sam. 4 mars 2023 à 18:08, Armin Rigo <armin...@gmail.com

3/12/23

2/18/23

Re: [python-cffi] cannot instantiate ctype of unknown size

Hi Rohit, On Sat, 18 Feb 2023 at 18:37, 'Rohit' via python-cffi <python-cffi@googlegroups.

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Re: [python-cffi] cannot instantiate ctype of unknown size

Hi Rohit, On Sat, 18 Feb 2023 at 18:37, 'Rohit' via python-cffi <python-cffi@googlegroups.

2/18/23

Florian Weimer, Armin Rigo4

2/8/23

cffi.FFI.cdef and implicit function declarations

* Armin Rigo: > Hi again, > > On Wed, 8 Feb 2023 at 13:12, Armin Rigo <armin.rigo@gmail.

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cffi.FFI.cdef and implicit function declarations

* Armin Rigo: > Hi again, > > On Wed, 8 Feb 2023 at 13:12, Armin Rigo <armin.rigo@gmail.

2/8/23

Emanuel Gonzalez, Armin Rigo2

1/23/23

python setup.py bdist_wheel did not run successfully

Hi, On Mon, 23 Jan 2023 at 21:24, Emanuel Gonzalez <ema...@gmail.com> wrote: > I am

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python setup.py bdist_wheel did not run successfully

Hi, On Mon, 23 Jan 2023 at 21:24, Emanuel Gonzalez <ema...@gmail.com> wrote: > I am

1/23/23

Aalam Pratap Bedi, … Armin Rigo12

1/19/23

How do I solve the following error?

Hi, On Thu, 19 Jan 2023 at 11:37, Aalam Pratap Bedi <aalam...@gmail.com> wrote: > I made

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How do I solve the following error?

Hi, On Thu, 19 Jan 2023 at 11:37, Aalam Pratap Bedi <aalam...@gmail.com> wrote: > I made

1/19/23

1/15/23

Re: [python-cffi] Abridged summary of python-cffi@googlegroups.com - 1 update in 1 topic

Do you really want to build from source? If so you will need libffi [1] and the development libraries

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Re: [python-cffi] Abridged summary of python-cffi@googlegroups.com - 1 update in 1 topic

Do you really want to build from source? If so you will need libffi [1] and the development libraries

1/15/23

Shary, Armin Rigo2

11/2/22

Building wheel for cffi failed

Hi, Sorry, no idea. Unless you get a more constructive answer here, I would recommend posting your

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Building wheel for cffi failed

Hi, Sorry, no idea. Unless you get a more constructive answer here, I would recommend posting your

11/2/22

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