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Python interface to the Input Subsystem's input_event and uinput
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Summary ======= PyInputEvent provides a python interface to Linux's input subsystem using the `/dev/input/event*` devices, as well as providing a means to pass new events to the input subsystem using the `uinput` kernel module and `/dev/uinput`. Also included is the `keytrans` package to do translations of incoming events to new output events, by means of a config file and (possibly) python scripts. Included is a config file for the HAMA MCE Remote. How to use pyinputevent ======================= In the `pyinputevent.py` file, the core classes are `InputEvent` and `SimpleDevice`. `scancodes.py` contains all the relevant magic values, taken directly from `/usr/include/linux/input.h` `InputEvent` encapsulates a single `struct input_event`, and can `.pack` and `.unpack` values. It can be instantiated with either a byte-buffer as the constructor argument or for a hand-crafted event with `InputEvent.new(etype, ecode, evalue)` SimpleDevice can be instantiated with the constructor arguments `device_name` and `device_path`. For example: sd = SimpleDevice("mouse", "/dev/input/event6") sd.read() # will perform a non-blocking read and return # an input_event or None SimpleDevice implemented fileno(), which means that you can use the `select` module easily to determine when data has arrived. TODO: Document `Controller`, `HIDevice`, and `main()` How to use uinput ================= TODO: For the moment see hamacontrol.py How to use keytrans =================== TODO: For the moment see hamacontrol.py How to use hamacontrol ====================== `hamacontrol.py` combined pyinputevent, uinput, and keytrans together with a configuration file (`keymap.txt`) to provide support for the HAMA MCE Remote. If the USB IR receiver is plugged in, running `python hamacontrol.py` will automatically detect the devices, listen for events on them, translate them based on the config file, then pass the translated events to a newly created `uinput` device. You may have to run `modprobe uinput` before running this script, and you either have to change the permissions on these devices, or run this script as root. X11 Device Detection ==================== The original device should be ignored by X when you start hamacontrol.py because we now try to open it with the exclusive flag, which should stop X using it without any HAL or Xorg.conf hacks required. If you still have problems, try including the following in your Xorg.conf file (with thanks to Graeme Blackman for this tidbit): :: Section "InputClass" Identifier "Hama Control" MatchProduct "9881" MatchVendor "05a4" Option "Ignore" "yes" EndSection License ======= Released under the MIT license. See the `LICENSE` file.