dulwich on Windows 7 (not)

[Ernie Rael]

There are windows wheels available. See 
https://pypi.org/project/dulwich/#files

    *Requires:*Python >=3.5

-ernie

On 7/29/2020 12:06 AM, Ernie Rael wrote:
> Ah, now I remember... dulwich, and I guess upcoming hg-git 0.9 aren't 
> python 2.7 on windows compatible.
>
> On windows 7, running python 2.7.18. Several tools I use, in 
> particular mercurial and extensions, aren't quite 3.8 ready as far as 
> I've heard. At least the binaries I install for Mercurial have an 
> embedded python 2.7.
>
> Are they ready for python 3.8?
>
> A few months ago I did install "Microsoft Visual C++ Compiler Package 
> for Python 2.7. But the install of dulwich fails when building. Can't 
> find 'stdint.h', see below. Searching around seems to indicate I'm 
> using an old c compiler; well, that's true.
>
> Seems to be a catch-22. I need python 2.7, and the required compiler 
> is too old for dulwich 0.20. And dulwich 0.20 is required for the soon 
> to be latest hg-git.
>
> See https://wiki.python.org/moin/WindowsCompilers/ for reference
>
> Including dulwich binaries with hg (plain or Tortoise) would be 
> greatly appreciated, at least until hg binaries are released with a 
> modern python; assuming the required uSoft compiler will compile dulwich.
>
> -ernie
>
>
> C:\Users\err>python -m pip install -U dulwich
> DEPRECATION: Python 2.7 reached the end of its life on January 1st, 
> 2020. Please upgrade your Python as Python 2.7 is no longer 
> maintained. pip 21.0 will drop support for Python 2.7 in January 2021. 
> More details about Py thon 2 support in pip, can be found at 
> https://pip.pypa.io/en/latest/development/release-process/#python-2-support 
>
> Collecting dulwich
>   Using cached dulwich-0.20.2.tar.gz (376 kB)
> Requirement already satisfied, skipping upgrade: urllib3>=1.24.1 in 
> c:\f\win7pythonstuff\python27\site-packages (from dulwich) (1.25.8)
> Requirement already satisfied, skipping upgrade: certifi in 
> c:\f\win7pythonstuff\python27\site-packages (from dulwich) (2020.6.20)
> Building wheels for collected packages: dulwich
>   Building wheel for dulwich (setup.py) ... error
>   ERROR: Command errored out with exit status 1:
>    command: 'C:\f\pf\Python27\python.exe' -u -c 'import sys, 
> setuptools, tokenize; sys.argv[0] = '"'"'f:\\tmp\
> \pip-install-tsd7bx\\dulwich\\setup.py'"'"'; 
> __file__='"'"'f:\\tmp\\pip-install-tsd7bx\\dulwich\\setup.py'"'"'
> ;f=getattr(tokenize, '"'"'open'"'"', 
> open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.clo
> se();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d 
> 'f:\tmp\pip-wheel-rhlm9b'
>        cwd: f:\tmp\pip-install-tsd7bx\dulwich\
>   Complete output (295 lines):
>   running bdist_wheel
>   .........
>   building 'dulwich._objects' extension
>   creating build\temp.win-amd64-2.7
>   creating build\temp.win-amd64-2.7\Release
>   creating build\temp.win-amd64-2.7\Release\dulwich
>   C:\Users\err\AppData\Local\Programs\Common\Microsoft\Visual C++ for 
> Python\9.0\VC\Bin\amd64\cl.exe /c /nologo /Ox /MD /W3 /GS- /DNDEBUG 
> -IC:\f\pf\Python27\include -IC:\f\pf\Python27\PC /Tcdulwich/_objects.c 
> /Fobuild\temp.win-amd64-2.7\Release\dulwich/_objects.obj
>   _objects.c
>   C:\Users\err\AppData\Local\Programs\Common\Microsoft\Visual C++ for 
> Python\9.0\VC\Bin\amd64\link.exe /DLL /nologo /INCREMENTAL:NO 
> /LIBPATH:C:\f\pf\Python27\libs /LIBPATH:C:\f\pf\Python27\PCbuild\amd64 
> /LIBPATH:C:\f\pf\Python27\PC\VS9.0\amd64 /EXPORT:init_objects 
> build\temp.win-amd64-2.7\Release\dulwich/_objects.obj 
> /OUT:build\lib.win-amd64-2.7\dulwich\_objects.pyd 
> /IMPLIB:build\temp.win-amd64-2.7\Release\dulwich\_objects.lib 
> /MANIFESTFILE:build\temp.win-amd64-2.7\Release\dulwich\_objects.pyd.manifest
>   _objects.obj : warning LNK4197: export 'init_objects' specified 
> multiple times; using first specification
>      Creating library 
> build\temp.win-amd64-2.7\Release\dulwich\_objects.lib and object 
> build\temp.win-amd64-2.7\Release\dulwich\_objects.exp
>   building 'dulwich._pack' extension
>   C:\Users\err\AppData\Local\Programs\Common\Microsoft\Visual C++ for 
> Python\9.0\VC\Bin\amd64\cl.exe /c /nologo /Ox /MD /W3 /GS- /DNDEBUG 
> -IC:\f\pf\Python27\include -IC:\f\pf\Python27\PC /Tcdulwich/_pack.c 
> /Fobuild\temp.win-amd64-2.7\Release\dulwich/_pack.obj
>   _pack.c
>   dulwich/_pack.c(23) : fatal error C1083: Cannot open include file: 
> 'stdint.h': No such file or directory
>   error: command 
> 'C:\\Users\\err\\AppData\\Local\\Programs\\Common\\Microsoft\\Visual 
> C++ for Python\\9.0\\VC\\Bin\\amd64\\cl.exe' failed with exit status 2
>   ----------------------------------------
>   ERROR: Failed building wheel for dulwich
>
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