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"error: cannot find vcvarsall.bat" when installing Fabric (Python library) on Windows

I tried installing Fabric on my 64-bit computer running Windows 7, and all I had was this disgusting error message:

Building Extension Crypto.Random.OSRNG.winrandom '

warning: GMP or MPIR library not found; Do not build Crypto.PublicKey._fastmath.

error: Could not find vcvarsall.bat

None of the answers in this error- related question like this: Could not find vcvarsall.bat , worked for me. What to do?

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I believe the main reason is as described here :

Windows, Python 64-, , PyCrypto winrandom , ImportErrors. , , winrandom , . MS Visual Studio. . № 194 .

, PyCrypto , Fabric. !

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