greenhouse.service

@@ -4,8 +4,7 @@ After=multi-user.target
 
     [Service]
     Type=idle
-ExecStart=gunicorn --bind 0.0.0.0:80 greenhouse:app
+    ExecStart=/usr/bin/python3 -m greenhouse
 
     [Install]
     WantedBy=multi-user.target
-

greenhouse/app.py

@@ -1,8 +1,5 @@
-import os
-import site
 import json
 import datetime
-import logging
 from threading import Thread
 from time import sleep
 
@@ -15,26 +12,17 @@ from w1thermsensor import W1ThermSensor
 import RPi.GPIO as GPIO
 
 sensor = W1ThermSensor()
-water_pin = 22  #17/27/22
+water_pin = 17  #17/27/22
 heat_pin = 26
 
 heat_state = False
 
-PACKAGE_PATH = site.getsitepackages()[0]
-CONFIG_FILE = os.path.join(PACKAGE_PATH, "greenhouse/config/greenhouse.json")
+CONFIG_FILE = "/etc/greenhouse/greenhouse.json"
 
 GPIO.setwarnings(False)
 GPIO.setmode(GPIO.BCM)
 GPIO.setup(water_pin, GPIO.OUT)
 
-log_level = logging.INFO
-LOG_FILE = "/var/log/greenhouse.log"
-LOG_FORMAT = "%(asctime)s %(levelname)s %(message)s"
-
-# logging.basicConfig(format=LOG_FORMAT, level=log_level, filename=LOG_FILE)
-logging.basicConfig(format=LOG_FORMAT, level=log_level)
-log = logging.getLogger('greenhouse')
-
 class Heat(Thread):
     def __init__(self, pin):
         super(Heat, self).__init__()
@@ -48,11 +36,11 @@ class Heat(Thread):
 
     def on(self):
         self.__state = True
-        GPIO.output(self.__pin, 0)
+        GPIO.output(self.__pin, 1)
 
     def off(self):
         self.__state = False
-        GPIO.output(self.__pin, 1)
+        GPIO.output(self.__pin, 0)
 
     def run(self):
         self.__next_update = datetime.datetime.now()
@@ -61,9 +49,9 @@ class Heat(Thread):
             if now >= self.__next_update:
                 if self.__state:
                     # Do a power cycle to prevent auto-poweroff
-                    GPIO.output(self.__pin, 1)
-                    sleep(5)
                     GPIO.output(self.__pin, 0)
+                    sleep(5)
+                    GPIO.output(self.__pin, 1)
                 self.__next_update = now + datetime.timedelta(minutes=5)
             sleep(1)
 
@@ -105,10 +93,8 @@ class GreenControl(Thread):
                     temperature = sensor.get_temperature()
                     if float(temperature) < float(self.config['heat']['on_temperature']) and not heat.state():
                         heat.on()
-                        log.info("Switch heat on by temperature level: %.1f °C", float(temperature))
                     elif float(temperature) > float(self.config['heat']['off_temperature']) and heat.state():
                         heat.off()
-                        log.info("Switch heat off by temperature level: %.1f °C", float(temperature))
                     elif heat.state():
                         # Do a power cycle to prevent auto-poweroff
                         heat.off()
@@ -127,13 +113,11 @@ class GreenControl(Thread):
                 off_time = now.replace(hour=int(off_time_pattern[0]), minute=int(off_time_pattern[1]), second=0, microsecond=0)
 
                 if now > on_time and now <= off_time and not self.__water_state:
-                    GPIO.output(water_pin, 0)
-                    self.__water_state = True
-                    log.info("Switch water on by time")
-                elif now > off_time and self.__water_state:
                     GPIO.output(water_pin, 1)
+                    self.__water_state = True
+                elif now > off_time and self.__water_state:
+                    GPIO.output(water_pin, 0)
                     self.__water_state = False
-                    log.info("Switch water off by time")
             sleep(1)
 
 
@@ -181,7 +165,7 @@ def get_sample():
         temperature = None
 
     water_state = False
-    if not GPIO.input(water_pin):
+    if GPIO.input(water_pin):
         water_state = True
 
     res = {}
@@ -199,18 +183,14 @@ def patch_sample():
     record = json.loads(request.data)
     if "water" in record:
         if record["water"]:
-            GPIO.output(water_pin, 0)
-            log.info("Switch water on by button: {}".format(datetime.datetime.now()))
-        else:
             GPIO.output(water_pin, 1)
-            log.info("Switch water off by button: {}".format(datetime.datetime.now()))
+        else:
+            GPIO.output(water_pin, 0)
     if "heat" in record:
         if record["heat"]:
             heat.on()
-            log.info("Switch heat on by button: {}".format(datetime.datetime.now()))
         else:
             heat.off()
-            log.info("Switch heat off by button: {}".format(datetime.datetime.now()))
 
     res = make_response("", 204)
     return res

setup.py

@@ -1,3 +1,6 @@
+import shutil
+import sys
+import os
 from setuptools import setup
 
 NAME = 'Greenhouse'
@@ -8,8 +11,14 @@ PACKAGES = ['greenhouse']
 REQUIRES = ['Flask', 'w1thermsensor', 'RPi.GPIO']
 CONFIG_FOLDER = '/etc/greenhouse'
 CONFIG_FILE = 'greenhouse.json'
-PACKAGE_DATA = {'greenhouse': ['templates/*', 'static/css/*', 'static/scripts/*', 'config/*']}
 
 setup(name=NAME, version=VERSION, long_description=__doc__, author=AUTHOR, author_email=EMAIL,
-      packages=PACKAGES, include_package_data=True, package_data=PACKAGE_DATA, zip_safe=False,
-      install_requires=REQUIRES)
+      packages=PACKAGES, include_package_data=True, zip_safe=False, install_requires=REQUIRES)
+
+if sys.argv[1] == 'install':
+    try:
+        os.makedirs(CONFIG_FOLDER)
+        shutil.copyfile(CONFIG_FILE, os.path.join(CONFIG_FOLDER, CONFIG_FILE))
+    except FileExistsError:
+          #FIXME: handle overwriting the config file
+          pass