[pycrypto] chmod error in Windows 7, when trying to install

[Andrew Cooper]

On 06/09/2012 00:23, Philip Horger wrote:
> As I understand it, compiling and setting PyCrypto up from source on Windows
> requires MinGW. It might also support Cygwin. But some sort of UNIX-y layer to
> work with as common ground.

I could have sworn that I had managed in the past, but it appears that I
used pre-compiled for windows and did the building sensibly on Linux.

Apologies.

~Andrew

>
> On Wed, Sep 5, 2012 at 4:21 PM, Andrew Cooper <andyhhp at gmail.com> wrote:
>> On 05/09/2012 17:48, Mike Anderson wrote:
>>> I'm using Windows 7 Ultimate, and trying to install pycrypto, but
>>> getting an error "'chmod' is not recognized as an internal or external
>>> command."
>>>
>>> It happens like so:
>>>> pip install ssh
>>>    ...
>>> copying lib\Crypto\Signature\__init__.py -> build\lib.win32-2.7\Crypto\Signature
>>>
>>>
>>> running build_ext
>>>
>>> running build_configure
>>>
>>> 'chmod' is not recognized as an internal or external command,
>>>
>>> operable program or batch file.
>>>
>>> Traceback (most recent call last):
>>>
>>>   File "<string>", line 1, in <module>
>>>
>>>   File "C:\Users\killer\build\pycrypto\setup.py", line 456, in <module>
>>>
>>>     core.setup(**kw)
>>>
>>>   File "C:\Python27\lib\distutils\core.py", line 152, in setup
>>>
>>>     dist.run_commands()
>>>
>>>   File "C:\Python27\lib\distutils\dist.py", line 953, in run_commands
>>>
>>>     self.run_command(cmd)
>>>
>>>   File "C:\Python27\lib\distutils\dist.py", line 972, in run_command
>>>
>>>     cmd_obj.run()
>>>
>>>   File "C:\Python27\lib\site-packages\setuptools\command\install.py", line 53, i
>>> n run
>>>
>>>     return _install.run(self)
>>>
>>>   File "C:\Python27\lib\distutils\command\install.py", line 563, in run
>>>
>>>     self.run_command('build')
>>>
>>>   File "C:\Python27\lib\distutils\cmd.py", line 326, in run_command
>>>
>>>     self.distribution.run_command(command)
>>>
>>>   File "C:\Python27\lib\distutils\dist.py", line 972, in run_command
>>>
>>>     cmd_obj.run()
>>>
>>>   File "C:\Python27\lib\distutils\command\build.py", line 127, in run
>>>
>>>     self.run_command(cmd_name)
>>>
>>>   File "C:\Python27\lib\distutils\cmd.py", line 326, in run_command
>>>
>>>     self.distribution.run_command(command)
>>>
>>>   File "C:\Python27\lib\distutils\dist.py", line 972, in run_command
>>>
>>>     cmd_obj.run()
>>>
>>>   File "C:\Users\killer\build\pycrypto\setup.py", line 251, in run
>>>
>>>     self.run_command(cmd_name)
>>>
>>>   File "C:\Python27\lib\distutils\cmd.py", line 326, in run_command
>>>
>>>     self.distribution.run_command(command)
>>>
>>>   File "C:\Python27\lib\distutils\dist.py", line 972, in run_command
>>>
>>>     cmd_obj.run()
>>>
>>>   File "C:\Users\killer\build\pycrypto\setup.py", line 273, in run
>>>
>>>     raise RuntimeError("chmod error")
>>>
>>> RuntimeError: chmod error
>> This is because you are on windows and setup.py is trying to run unix
>> commands.
>>
>> To a cursory glance, it appears to be a bug in pycrypto's setup.py  It
>> should either provide a windows compatible way of performing autoconf
>> and friends (unlikely), or provide a windows alternative way of
>> configuring stuff and conditionally invoke the correct one for the system.
>>
>> ~Andrew
>>
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