gRPC Python

Package for gRPC Python.

Installation

gRPC Python is available for Linux, macOS, and Windows.

From PyPI ~~~~~~~~~

If you are installing locally...

::

$ pip install grpcio

Else system wide (on Ubuntu)...

::

$ sudo pip install grpcio

If you're on Windows make sure that you installed the :code:pip.exe component when you installed Python (if not go back and install it!) then invoke:

::

$ pip.exe install grpcio

Windows users may need to invoke :code:pip.exe from a command line ran as administrator.

n.b. On Windows and on Mac OS X one must have a recent release of :code:pip to retrieve the proper wheel from PyPI. Be sure to upgrade to the latest version!

From Source ~~~~~~~~~~~

Building from source requires that you have the Python headers (usually a package named :code:python-dev).

::

$ export REPOROOT=grpc # REPOROOT can be any directory of your choice $ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc $REPOROOT $ cd $REPOROOT $ git submodule update --init

# For the next two commands do sudo pip install if you get permission-denied errors $ pip install -rrequirements.txt $ GRPCPYTHONBUILDWITHCYTHON=1 pip install .

You cannot currently install Python from source on Windows. Things might work out for you in MSYS2 (follow the Linux instructions), but it isn't officially supported at the moment.

Troubleshooting ~~~~~~~~~~~~~~~

Help, I ...

... see a :code:pkg_resources.VersionConflict when I try to install grpc

This is likely because :code:pip doesn't own the offending dependency, which in turn is likely because your operating system's package manager owns it. You'll need to force the installation of the dependency:

:code:pip install --ignore-installed $OFFENDING_DEPENDENCY

For example, if you get an error like the following:

::

Traceback (most recent call last): File "", line 17, in ... File "/usr/lib/python2.7/dist-packages/pkgresources.py", line 509, in find raise VersionConflict(dist, req) pkgresources.VersionConflict: (six 1.8.0 (/usr/lib/python2.7/dist-packages), Requirement.parse('six>=1.10'))

You can fix it by doing:

::

sudo pip install --ignore-installed six
... see the following error on some platforms

::

/tmp/pip-build-U8pSsr/cython/Cython/Plex/Scanners.c:4:20: fatal error: Python.h: No such file or directory #include "Python.h" ^ compilation terminated.

You can fix it by installing python-dev package. i.e

::

sudo apt-get install python-dev

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