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Add setup.py and distribution basics

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Ben Nuttall
2015-09-15 17:53:50 +01:00
parent abdc215175
commit a8b93cf97f
11 changed files with 102 additions and 173 deletions
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CONTRIBUTING.md Normal file
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# Contributing
This module was designed for use in education; particularly for young children. It is not intended to replace `RPi.GPIO` and it does not claim to be suitable for all purposes. It is intended to provide a simple interface to everyday components.
If a proposed change added an advanced feature but made basic usage more complex, it is unlikely to be added.
## Suggestions
Please make suggestions by opening an [issue](https://github.com/RPi-Distro/gpio-zero/issues) explaining your reasoning clearly.
## Bugs
Please submit bug reports by opening an [issue](https://github.com/RPi-Distro/gpio-zero/issues) explaining the problem clearly using code examples.
## Documentation
The documentation source lives in the [docs](https://github.com/RPi-Distro/gpio-zero/tree/master/docs) folder and is rendered from markdown into HTML using [mkdocs](http://www.mkdocs.org/). Contributions to the documentation are welcome but should be easy to read and understand.
## Python
- Python 2/3 compatibility
- PEP8-compliance (with exceptions)

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LICENCE.txt Normal file
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Copyright 2015- Raspberry Pi Foundation
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

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MANIFEST.in Normal file
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include README.rst

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README.rst Normal file
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========
gpiozero
========
A simple interface to everyday GPIO components used with Raspberry Pi

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README.md → docs/index.md
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# gpio-components # gpio-zero
Abstraction for everyday GPIO components, based on Ben Croston's `RPi.GPIO` library. A simple interface to everyday GPIO components used with Raspberry Pi
## Why? ## Why?

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examples/my_hat.py
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from gpio_components import LED, Buzzer, Button
from time import sleep
class MyHat(object):
def __init__(self):
self.red = LED(9)
self.yellow = LED(10)
self.green = LED(11)
self.buzzer = Buzzer(14)
self.button = Button(15)
self.leds = [self.red, self.yellow, self.green]
self.outputs = self.leds + [self.buzzer]
def all_on(self):
for device in self.outputs:
device.on()
def all_off(self):
for device in self.outputs:
device.off()
if __name__ == '__main__':
hat = MyHat()
while True:
if hat.button.is_pressed():
hat.all_on()
else:
hat.all_off()

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gpio_components/__init__.py
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from RPi import GPIO
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
from .input_devices import (
InputDeviceError,
InputDevice,
Button,
MotionSensor,
LightSensor,
TemperatureSensor,
)
from .output_devices import (
OutputDevice,
LED,
Buzzer,
Motor,
)

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gpio_components/input_devices.py
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from RPi import GPIO
from w1thermsensor import W1ThermSensor
class InputDevice(object):
def __init__(self, pin=None):
if pin is None:
raise InputDeviceError('No GPIO pin number given')
self.pin = pin
self.pull = GPIO.PUD_UP
self.edge = GPIO.FALLING
self.active = 0
self.inactive = 1
GPIO.setup(pin, GPIO.IN, self.pull)
@property
def is_active(self):
return GPIO.input(self.pin) == self.active
def wait_for_input(self):
GPIO.wait_for_edge(self.pin, self.edge)
def add_callback(self, callback=None, bouncetime=1000):
if callback is None:
raise InputDeviceError('No callback function given')
GPIO.add_event_detect(self.pin, self.edge, callback, bouncetime)
def remove_callback(self):
GPIO.remove_event_detect(self.pin)
class Button(InputDevice):
pass
class MotionSensor(InputDevice):
def _is_active_with_pause(self):
sleep(0.1)
return self.is_active
@property
def motion_detected(self):
n = 20
return sum(self._is_active_with_pause() for i in range(n)) > n/2
class LightSensor(object):
def __init__(self, pin=None, darkness_level=0.01):
if pin is None:
raise InputDeviceError('No GPIO pin number given')
self.pin = pin
self.darkness_level = darkness_level
@property
def value(self):
return self._get_average_light_level(5)
def _get_light_level(self):
time_taken = self._time_charging_light_capacitor()
value = 100 * time_taken / self.darkness_level
return 100 - value
def _time_charging_light_capacitor(self):
GPIO.setup(self.pin, GPIO.OUT)
GPIO.output(self.pin, GPIO.LOW)
sleep(0.1)
GPIO.setup(self.pin, GPIO.IN)
start_time = time()
end_time = time()
while (
GPIO.input(self.pin) == GPIO.LOW and
time() - start_time < self.darkness_level
):
end_time = time()
time_taken = end_time - start_time
return min(time_taken, self.darkness_level)
def _get_average_light_level(self, num):
values = [self._get_light_level() for n in range(num)]
average_value = sum(values) / len(values)
return average_value
class TemperatureSensor(W1ThermSensor):
@property
def value(self):
return self.get_temperature()
class InputDeviceError(Exception):
pass

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gpio_components/output_devices.py
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from RPi import GPIO
class OutputDevice(object):
def __init__(self, pin):
self.pin = pin
GPIO.setup(pin, GPIO.OUT)
def on(self):
GPIO.output(self.pin, True)
def off(self):
GPIO.output(self.pin, False)
class LED(OutputDevice):
pass
class Buzzer(OutputDevice):
pass
class Motor(OutputDevice):
pass

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mkdocs.yml Normal file
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site_name: gpio-zero
theme: readthedocs
site_url: http://pythonhosted.org/gpiozero
repo_url: https://github.com/RPi-Distro/gpio-zero
site_description: A simple interface to everyday GPIO components used with Raspberry Pi
site_author: Ben Nuttall
site_dir: pythonhosted
google_analytics: ['UA-46270871-6', 'pythonhosted.org/gpiozero']
pages:
- 'Home': 'index.md'

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setup.py Normal file
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import os
from setuptools import setup, find_packages
def read(fname):
return open(os.path.join(os.path.dirname(__file__), fname)).read()
setup(
name="gpiozero",
version="0.1.0",
author="Ben Nuttall",
description="A simple interface to everyday GPIO components used with Raspberry Pi",
license="BSD",
keywords=[
"raspberrypi",
"gpio",
],
url="https://github.com/RPi-Distro/gpio-zero",
packages=find_packages(),
install_requires=[
"RPi.GPIO",
"w1thermsensor",
],
long_description=read('README.rst'),
classifiers=[
"Development Status :: 1 - Planning",
"Intended Audience :: Education",
"Topic :: Education",
"Topic :: System :: Hardware",
"License :: OSI Approved :: BSD License",
"Programming Language :: Python :: 2",
"Programming Language :: Python :: 3",
],
)