py-openzwave is a python wrapper around the open-zwave c++ project.
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What is py-openzwave?

py-openzwave is a python wrapper around the open-zwave c++ project. This allows you to interact with z-wave networks from withing Python.

  1. OpenZWave talks to ZWave devices in your house via ZWave PC controller
  2. py-openzwave provides python bindings for OpenZWave
  3. program your house with Python!

Build instructions for Windows

In order to build py-openzwave on Windows you need MinGW, MinGW is a minimalist GNU compiler for Windows. You can download MinGW here: Other requirements are:

  • Cython 14.1 or higher, available from:
  • Open-zwave revision r321 or higher (r321 contains patches for MinGW)

We will assume the following build structure (different structure requires changes in py-openzwave's!):

\ Root folder -\ py-openzwave source folder -\ open-zwave source folder

  1. From the root folder, type "cd open-zwave\cpp\build\windows\mingw32"
  2. Enter "make", this will build open-zwave. If all went will you should have an "openzwave.a" file in the "open-zwave\cpp\lib\windows-mingw32" directory.
  3. From the root folder, type "cd py-openzwave"
  4. Type "python build --compiler=mingw32", this should build the py-openzwave module. If you are satisfied with the build, you can install it by running "python install"

Building on Ubuntu

Download and Build

(starting inside the py-openzwave directory)

$ cd ..
$ svn checkout open-zwave-read-only
$ cd py-openzwave
$ ln -s ../open-zwave-read-only openzwave
$ patch -d openzwave -p0 < fix_openzwave.patch
$ (cd openzwave/cpp/build/linux; make)

Then the python library:

$ python build

Now run the test program (change ZWAVE_SERIAL if necessary):

$ python -i


Building on Ubuntu 10.10 - (

The 'cython' version for Ubuntu 10.10 is 0.12.1, which is too old. You'll get an error at cdef extern from # "<string>". Removing that cython and running 'easy_install cython' will get you a version at least as new as 0.14.1, which will work.

For the tricklestar USB device, a more robust device name to use is /dev/serial/by-id/usb-Prolific_Technology_Inc._USB-Serial_Controller_D-if00-port0 (as opposed to ttyUSB0, ttyUSB1, etc).

I (drewp) still don't know the workflow for adding new devices. For that I used which does have an 'add device' operation.

Adding devices

from the ozcp code,

      setAdminFunction("Add Device");
                               web_controller_update, this, true));

then it waits for case Driver::ControllerState_Completed: