Package grpcio with py2exe

[falu...@gmail.com]

Hi there,

Is it possible to package grpcio with py2exe?

I tried packing up grpcio on windows 7 32 bit using py2exe with python 2.7.11. Py2exe is able to detect dependencies but it does not package beta folder inside grpc module.

When I try to run that the generated .exe from py2exe on my windows 7 machine which has 32-bit python version 2.7.13 I get run time error. But when I try to replace grpc package compiled on my machine and try to run the generated .exe from py2exe it works fine.

My question is does grpcio has to be compiled on machine where you want to run it?

Cheers,

Falguni

[Ken Payson]

I'm not familiar with py2exe, but we release separate binary packages for Windows 32 and 64 bit Python.

If you are trying to build from source and distribute the binary package, I would expect some compatibility issues. 

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[falu...@gmail.com]

I am not building from source. I am using pip to install grpcio on that machine.

http://www.py2exe.org/index.cgi/Tutorial

On Friday, 17 November 2017 11:39:14 UTC-8, Ken Payson wrote:

I'm not familiar with py2exe, but we release separate binary packages for Windows 32 and 64 bit Python.

If you are trying to build from source and distribute the binary package, I would expect some compatibility issues. 

On Fri, Nov 17, 2017 at 11:29 AM, <falu...@gmail.com> wrote:

Hi there,

Is it possible to package grpcio with py2exe?

I tried packing up grpcio on windows 7 32 bit using py2exe with python 2.7.11. Py2exe is able to detect dependencies but it does not package beta folder inside grpc module.

When I try to run that the generated .exe from py2exe on my windows 7 machine which has 32-bit python version 2.7.13 I get run time error. But when I try to replace grpc package compiled on my machine and try to run the generated .exe from py2exe it works fine.

My question is does grpcio has to be compiled on machine where you want to run it?

Cheers,

Falguni

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[Ken Payson]

Pip will choose a binary package from PyPI that matches your Python version/architecture.  If you attempt to redistribute that package, it may not match the client's Python version/architecture. 

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[falu...@gmail.com]

It should not matter. Sorry my machine also has 32 bit python (Windows 64 bit). 

py2exe freezes python scripts.

"py2exe turns Python programs into packages that can be run on other Windows computers without needing to install Python on those computers. Python is needed on the computer where py2exe itself is run because py2exe is a Python program and it includes parts of Python in the package that is built."

 Ideally I don't need python on machine where I am running CLI.

The funny thing is if I enable debug mode on  my CLI which uses the module I don't see runtime error.

[Ken Payson]

This question might be better suited for a py2exe mailing list.

I'm not sure if py2exe supports binary python packages.  If it does (in a cross-compatible way), I would expect it to need to package multiple pip packages in the resulting exe.

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[falu...@gmail.com]

Thanks Ken.

Now I am able to run it sometimes. I tried attaching windbg and saw abor exception for  "cygrpc!initcygrpc+". So initcygrpc is failing for some reason.

[Ken Payson]

Can you post the full exception?

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[falu...@gmail.com]

This  is what I see. I cannot debug further as I don't ave symbol files.

0a53f9d8 68388b07 68403e0c 02739db4 0a53fa2c cygrpc!initcygrpc+0xeabd6

0a53f9f8 6837e149 68403e0c 0a53fa2c 00000001 cygrpc!initcygrpc+0xeabd6

0a53fa08 68361cc5 0000019f 02739cb0 034f78d0 cygrpc!initcygrpc+0xe0218

0a53fa18 68361c01 034f78e4 073c2e80 fffffffe cygrpc!initcygrpc+0xc3d94

0a53fa2c 741b3c5a 00000014 02739ca0 6830396b cygrpc!initcygrpc+0xc3cd0

0a53fa48 682a5887 00000014 00000001 02739ca0 msvcr90!calloc+0x1a

0a53fa58 68303672 03bddbc4 00000001 6841dbdc cygrpc!initcygrpc+0x7956

0a53fa68 682a59fe 00000014 684aaaa0 025471c0 cygrpc!initcygrpc+0x65741

0a53fa88 68303efe 00000014 68303538 03291fd4 cygrpc!initcygrpc+0x7acd

0a53fa98 682a95d3 684b5804 682a9264 0a53fabc cygrpc!initcygrpc+0x65fcd

0a53fac8 682ff00d 00000000 03ce9974 6841dbdc cygrpc!initcygrpc+0xb6a2

0a53fae4 774ce172 01edeb79 00000028 0329df60 cygrpc!initcygrpc+0x610dc

0a53fb74 741b3c3a 0a53ff10 03bff878 01edeb51 ntdll!RtlAllocateHeap+0x206

0a53fc08 682a5887 00000004 00000001 0a53ffc4 msvcr90!free+0xec

0a53fc28 6830a7bf 0a53ff10 68403ca4 03bff878 cygrpc!initcygrpc+0x7956

00000000 00000000 00000000 00000000 00000000 cygrpc!initcygrpc+0x6c88e

[Ken Payson]

I've never seen an error like this before, and without debug symbols I don't think I'll be able to provide any useful guidance.

initcygrpc is the module initialization function, so this indicates gRPC is failing to even load.  I would recommend getting guidance from py2exe on using binary package dependencies.

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