Example moisture-reading web API (aiohttp)

library/setup.cfg

@@ -10,64 +10,65 @@ long_description_content_type = text/markdown
 keywords = Raspberry Pi
 url = https://www.pimoroni.com
 project_urls =
-	GitHub=https://www.github.com/pimoroni/grow-python
+  GitHub=https://www.github.com/pimoroni/grow-python
 license = MIT
 # This includes the license file(s) in the wheel.
 # https://wheel.readthedocs.io/en/stable/user_guide.html#including-license-files-in-the-generated-wheel-file
 license_files = LICENSE.txt
 classifiers =
-	Development Status :: 4 - Beta
-	Operating System :: POSIX :: Linux
-	License :: OSI Approved :: MIT License
-	Intended Audience :: Developers
-	Programming Language :: Python :: 3
-	Topic :: Software Development
-	Topic :: Software Development :: Libraries
-	Topic :: System :: Hardware
+  Development Status :: 4 - Beta
+  Operating System :: POSIX :: Linux
+  License :: OSI Approved :: MIT License
+  Intended Audience :: Developers
+  Programming Language :: Python :: 3
+  Topic :: Software Development
+  Topic :: Software Development :: Libraries
+  Topic :: System :: Hardware
 
 [options]
 python_requires = >= 3
 packages = grow
 install_requires =
-	ltr559
-	st7735
-	pyyaml
-	fonts
-	font-roboto
+  ltr559
+  st7735
+  pyyaml
+  fonts
+  font-roboto
 
 [flake8]
 exclude =
-	.tox,
-	.eggs,
-	.git,
-	__pycache__,
-	build,
-	dist
+  .tox,
+  .eggs,
+  .git,
+  __pycache__,
+  build,
+  dist
 ignore =
-	E501
+  E501
 
 [pimoroni]
 py2deps =
-	python-pip
-	python-yaml
-	python-smbus
-	python-pil
-	python-spidev
-	python-numpy
-	python-rpi.gpio
+  python-pip
+  python-yaml
+  python-smbus
+  python-pil
+  python-spidev
+  python-numpy
+  python-rpi.gpio
 py3deps =
-	python3-pip
-	python3-yaml
-	python3-smbus
-	python3-pil
-	python3-spidev
-	python3-numpy
-	python3-rpi.gpio
+  python3-pip
+  python3-yaml
+  python3-smbus
+  python3-pil
+  python3-spidev
+  python3-numpy
+  python3-rpi.gpio
+  python3-aiohttp
 commands =
-	printf "Setting up i2c and SPI..\n"
-	raspi-config nonint do_spi 0
-	raspi-config nonint do_i2c 0
+  printf "Setting up i2c and SPI..\n"
+  raspi-config nonint do_spi 0
+  raspi-config nonint do_i2c 0
 configtxt =
-	dtoverlay=spi0-cs,cs0_pin=14 # Re-assign CS0 from BCM 8 so that Grow can use it
+  dtoverlay=spi0-cs,cs0_pin=14 # Re-assign CS0 from BCM 8 so that Grow can use it
 
 

server.py

@@ -0,0 +1,53 @@
+"""
+@jorjun Anno Vvii ☉ in ♓ ☽ in ♋
+
+License: MIT
+
+Description: Web API for moisture readings: //:8080/api/moisture/
+"""
+
+from functools import partial
+import json
+import logging
+
+from aiohttp import web
+
+from grow.moisture import Moisture
+
+
+# Test class
+#class Moisture():
+  #def __init__(self, channel):
+    #self.channel = channel
+
+  #@property
+  #def moisture(self):
+    #return self.channel *3
+
+
+json_response = partial(web.json_response, dumps=partial(json.dumps, default=str))
+
+routes = web.RouteTableDef()
+
+@routes.get("/api/moisture/")
+async def reading(request):
+  data = {
+    "m1": meter[0].moisture,
+    "m2": meter[1].moisture,
+    "m3": meter[2].moisture,
+  }
+  return json_response(data)
+
+
+if __name__ == "__main__":
+  app = web.Application()
+  logging.basicConfig(level=logging.INFO)
+  app.add_routes(routes)
+  meter = [Moisture(_+1) for _ in range(3)]
+
+  web.run_app(
+      app,
+        host="0.0.0.0",
+        port=8080,
+        access_log_format='%s %r [%b / %Tf] "%{User-Agent}i"',
+    )