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|
gRPC Python
===========
Package for gRPC Python.
Installation
------------
gRPC Python is available for Linux, Mac OS X, and Windows running Python 2.7.
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 REPO_ROOT=grpc # REPO_ROOT can be any directory of your choice
$ git clone https://github.com/grpc/grpc.git $REPO_ROOT
$ cd $REPO_ROOT
$ git submodule update --init
# For the next two commands do `sudo pip install` if you get permission-denied errors
$ pip install -rrequirements.txt
$ GRPC_PYTHON_BUILD_WITH_CYTHON=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 "<string>", line 17, in <module>
...
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 509, in find
raise VersionConflict(dist, req)
pkg_resources.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
|
