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Add configuration of mock factory via env-vars

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Also tidied up some docs
This commit is contained in:
Dave Jones
2016-10-21 20:49:31 +01:00
parent b0c807da19
commit ba1a7e6497
4 changed files with 59 additions and 12 deletions
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31
docs/api_pins.rst
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@@ -32,6 +32,31 @@ The default pin factory can be replaced by specifying a value for the
>>> gpiozero.Device._pin_factory
<gpiozero.pins.native.NativeFactory object at 0x762c26b0>
To set the ``GPIOZERO_PIN_FACTORY`` for the rest of your session you can
export this value:
.. code-block:: console
pi@raspberrypi $ export GPIOZERO_PIN_FACTORY=native
pi@raspberrypi $ python
Python 3.4.2 (default, Oct 19 2014, 13:31:11)
[GCC 4.9.1] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import gpiozero
>>> gpiozero.Device._pin_factory
<gpiozero.pins.native.NativeFactory object at 0x762c26b0>
>>> quit()
pi@raspberrypi $ python
Python 3.4.2 (default, Oct 19 2014, 13:31:11)
[GCC 4.9.1] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import gpiozero
>>> gpiozero.Device._pin_factory
<gpiozero.pins.native.NativeFactory object at 0x76401330>
If you add the ``export`` command to your :file:`~/.bashrc` file, you'll set
the default pin factory for all future sessions too.
The following values, and the corresponding :class:`Factory` and :class:`Pin`
classes are listed in the table below. Factories are listed in the order that
they are tried by default.
@@ -71,8 +96,10 @@ script:
.. code-block:: console
$ export GPIOZERO_PIN_FACTORY=pigpio
$ PIGPIO_ADDR=remote-pi python3 my_script.py
$ GPIOZERO_PIN_FACTORY=pigpio PIGPIO_ADDR=remote-pi python3 my_script.py
Like the ``GPIOZERO_PIN_FACTORY`` value, these can be exported from your
:file:`~/.bashrc` script too.
.. warning::