SystemLibrary.py

import time, socket, datetime, os, fcntl, struct, sqlite3	#import time, IP, time and date
from flask import Flask, render_template, request, jsonify, request, send_file #import web app
from w1thermsensor import W1ThermSensor
import RPi.GPIO as GPIO
import netifaces as ni

def getCurrentBinary(relayNumber):
	try:
		B = open("data/currentBinary.txt", "r")
		currentBinary = B.read()
		if len(currentBinary) != 8*relayNumber:
			currentBinary = "00000000"*relayNumber
			writeCurrentBinary(currentBinary)
			getCurrentBinary()
		B.close()
	except:
		currentBinary = "00000000"*relayNumber
		writeCurrentBinary(currentBinary)
	return currentBinary
	
def writeCurrentBinary(Binary):
	B = open("data/currentBinary.txt", "w")
	B.write(Binary)
	B.close()

''' OLD SHIFT CODE - BROKEN 
def relayIndex(output, relayNumber):
	currentBinary = getCurrentBinary(relayNumber)
	#currentBinary = "00000000"
	if 0 <= int(output) < len(currentBinary):
		output = int(output)
		if currentBinary[output] == "1":
			currentBinary = currentBinary[:output] + "0" + currentBinary[output+1:]
		elif currentBinary[output] == "0":
			currentBinary = currentBinary[:output] + "1" + currentBinary[output+1:]
	else:
		print("Invalid Input")
	shift(currentBinary[::-1], relayNumber)
	writeCurrentBinary(currentBinary)
	return currentBinary



def shift(output, relayNumber):
	shiftSetup()
	print(output)
	parsed = ""
	for i in range(8*relayNumber):
		parsed = parsed + output[i]
		time.sleep(0.2)
		if output[i] == "1":
			GPIO.output(23, GPIO.LOW)
			print("1")
		elif output[i] == "0":
			GPIO.output(23, GPIO.HIGH)
			print("0")
		GPIO.output(22, GPIO.HIGH)
		GPIO.output(22, GPIO.LOW)
	GPIO.output(24, GPIO.HIGH)
	GPIO.output(24, GPIO.LOW)
	print(parsed)
	
'''

def shiftSetup():
	GPIO.setwarnings(False)
	GPIO.setmode(GPIO.BCM)
	outpins = [22, 23, 24]
	for i in outpins:
		GPIO.setup(i, GPIO.OUT)
		GPIO.output(i, GPIO.HIGH)

def Shift(output, relayNumber):
	shiftSetup()
	for i in range(7*relayNumber):
		if output[i] == "1":
			GPIO.output(23, GPIO.LOW)
		elif output[i] == "0":
			GPIO.output(23, GPIO.HIGH)
		GPIO.output(22, GPIO.HIGH)
		GPIO.output(22, GPIO.LOW)
	GPIO.output(24, GPIO.HIGH)
	GPIO.output(24, GPIO.LOW)

def get_url_rule():
	rule = None
	url_rule = request.url_rule
	if url_rule is not None:
		rule = url_rule.rule
	return rule

def getTemperature():
	return(0)
	
def getColour(number):
	if number > 25:
		colour = "FF0000"
	elif number > 20:
		colour = "FF4200"
	elif number > 15:
		colour = "FF6100"
	elif number > 10:
		colour = "008BFF"
	elif number > 5:
		colour = "00A6FF"
	elif number > 0:
		colour = "00C9FF"
	elif number < 0:
		colour = "00F7FF"
	else:
		print("COLOUR ERROR")
		colour = "FF00EC"
	return colour
	
def modifyInternalTemperature():
	f = open("templates/indexTemplate.html", "r")
	index = f.read()
	f.close()
	internalTemperature = 'style ="float: left; background-color: ' + getColour(getTemperature()) + '">Internal Temperature: ' + str(round(getTemperature(), 1)) + "°C"
	index = index.replace('style ="float: left">Internal Temperature: ', internalTemperature)
	f = open("templates/index.html", "w")
	f.write(index)
	f.close()
	
def modifyInternalTemperatureWebpage():
	f = open("templates/internalTemperatureTemplate.html", "r")
	index = f.read()
	f.close()
	internalTemperature = '<H1>' + str(round(getTemperature(), 1)) + "°C </H1>"
	index = index.replace('<H1> </H1>', internalTemperature)
	f = open("templates/internalTemperature.html", "w")
	f.write(index)
	f.close()
	
def modifyExternalTemperature():
	f = open("templates/index.html", "r")
	index = f.read()
	f.close()
	ExternalTemperature = 'style ="float: left; background-color: #4CAF50' '''+ getColour(getTemperature())''' + '">External Temperature: Not Connected' #+ str(round(getTemperature(), 1)) + "°C"
	index = index.replace('style ="float: left">External Temperature: ', ExternalTemperature)
	f = open("templates/index.html", "w")
	f.write(index)
	f.close()
	
def modifyExternalTemperatureWebpage():
	f = open("templates/externalTemperatureTemplate.html", "r")
	index = f.read()
	f.close()
	ExternalTemperature = '<H1>' + str(round(getTemperature(), 1)) + "°C </H1>"
	index = index.replace('<H1> </H1>', ExternalTemperature)
	f = open("templates/ExternalTemperature.html", "w")
	f.write(index)
	f.close()
	
def modifyWaterTemperature():
	f = open("templates/index.html", "r")
	index = f.read()
	f.close()
	WaterTemperature = 'style ="float: left; background-color: #4CAF50' '''+ getColour(getTemperature())''' + '">Water Temperature: Not Connected' #+ str(round(getTemperature(), 1)) + "°C"
	index = index.replace('style ="float: left">Water Temperature: ', WaterTemperature)
	f = open("templates/index.html", "w")
	f.write(index)
	f.close()
	
def modifyWaterTemperatureWebpage():
	f = open("templates/waterTemperatureTemplate.html", "r")
	index = f.read()
	f.close()
	WaterTemperature = '<H1>' + str(round(getTemperature(), 1)) + "°C </H1>"
	index = index.replace('<H1> </H1>', WaterTemperature)
	f = open("templates/WaterTemperature.html", "w")
	f.write(index)
	f.close()

def modifyIndex():
	modifyInternalTemperature()
	modifyExternalTemperature()
	modifyWaterTemperature()

def get_IP():
	'''Automatically gets the IP address of the Pi'''
	ni.ifaddresses('eth0')
	IP = ni.ifaddresses('eth0')[ni.AF_INET][0]['addr']
	return IP
	
def displayTime():
	'''Sorts the time out for the app'''
	localtime = time.asctime( time.localtime(time.time()) ) #Gets the time
	print (" * Current time :" + str(localtime)) #Displays Time