Calculate how much the furnace is running #30
							
								
								
									
										228
									
								
								pi_temp.py
									
									
									
									
									
								
							
							
						
						
									
										228
									
								
								pi_temp.py
									
									
									
									
									
								
							@@ -58,123 +58,145 @@ app.debug = True # Make this False if you are no longer debugging
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@app.route("/")
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def lab_temp():
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	import sys
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	import Adafruit_DHT
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	humidity, temperature = Adafruit_DHT.read_retry(Adafruit_DHT.AM2302, 17)
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	temperature = temperature * 9/5.0 + 32
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	if humidity is not None and temperature is not None:
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		return render_template("live.html",temp=temperature,hum=humidity)
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	else:
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		return render_template("no_sensor.html")
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    import sys
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    import Adafruit_DHT
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    humidity, temperature = Adafruit_DHT.read_retry(Adafruit_DHT.AM2302, 17)
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    temperature = temperature * 9/5.0 + 32
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    if humidity is not None and temperature is not None:
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        return render_template("live.html",temp=temperature,hum=humidity)
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    else:
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        return render_template("no_sensor.html")
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@app.route("/history", methods=['GET'])  #Add date limits in the URL #Arguments: from=2015-03-04&to=2015-03-05
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def history():
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	temperatures, humidities, timezone, from_date_str, to_date_str = get_records()
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    temperatures, humidities, timezone, from_date_str, to_date_str, range_hours = get_records()
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#   Create new record tables so that datetimes are adjusted back to the user browser's time zone.
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    time_series_adjusted_temperatures  = []
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    time_series_adjusted_humidities     = []
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    time_series_temperature_values  = []
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    time_series_humidity_values         = []
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    for record in temperatures:
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        local_timedate_series = arrow.get(record[0], "YYYY-MM-DD HH:mm")
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        time_series_adjusted_temperatures.append(local_timedate_series.format('YYYY-MM-DD HH:mm'))
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        time_series_temperature_values.append(round(record[2],2))
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    for record in humidities:
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        local_timedate_series = arrow.get(record[0], "YYYY-MM-DD HH:mm")
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        time_series_adjusted_humidities.append(local_timedate_series.format('YYYY-MM-DD HH:mm')) #Best to pass datetime in text
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                                                                                          #so that Plotly respects it
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        time_series_humidity_values.append(round(record[2],2))
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# 	Create new record tables so that datetimes are adjusted back to the user browser's time zone.
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	time_series_adjusted_temperatures  = []
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	time_series_adjusted_humidities 	= []
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	time_series_temperature_values 	= []
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	time_series_humidity_values 		= []
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    temp = Scatter(
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                x=time_series_adjusted_temperatures, 
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                y=time_series_temperature_values,
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                name='Temperature',
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                mode='lines',
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                line=Line(color='red')
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                    )
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    hum = Scatter(
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                x=time_series_adjusted_humidities,
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                y=time_series_humidity_values,
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                name='Humidity',
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                line=Line(color='aqua')
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                    )
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	for record in temperatures:
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		local_timedate_series = arrow.get(record[0], "YYYY-MM-DD HH:mm")
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		time_series_adjusted_temperatures.append(local_timedate_series.format('YYYY-MM-DD HH:mm'))
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		time_series_temperature_values.append(round(record[2],2))
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    data = Data([temp, hum])
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	for record in humidities:
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		local_timedate_series = arrow.get(record[0], "YYYY-MM-DD HH:mm")
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		time_series_adjusted_humidities.append(local_timedate_series.format('YYYY-MM-DD HH:mm')) #Best to pass datetime in text
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																						  #so that Plotly respects it
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		time_series_humidity_values.append(round(record[2],2))
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	temp = Scatter(
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				x=time_series_adjusted_temperatures, 
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				y=time_series_temperature_values,
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				name='Temperature',
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				mode='lines',
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				line=Line(color='red')
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					)
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	hum = Scatter(
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				x=time_series_adjusted_humidities,
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				y=time_series_humidity_values,
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				name='Humidity',
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				line=Line(color='aqua')
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					)
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	data = Data([temp, hum])
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	layout = Layout(
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					title="Temperature and Humidity",
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					xaxis=XAxis(
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						type='date',
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						autorange=True
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					),
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					yaxis=YAxis(
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						title='Fahrenheit / Percent',
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						type='linear',
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						autorange=True
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					),
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					)
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	fig = Figure(data=data, layout=layout)
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	graphJSON = json.dumps(fig, cls=plotly.utils.PlotlyJSONEncoder)
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	return render_template("history.html",	timezone = timezone,
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											graphJSON = graphJSON,
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											)
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    layout = Layout(
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                    title="Temperature and Humidity",
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                    xaxis=XAxis(
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                        type='date',
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                        autorange=True
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                    ),
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                    yaxis=YAxis(
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                        title='Fahrenheit / Percent',
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                        type='linear',
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                        autorange=True
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                    ),
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                    )
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    fig = Figure(data=data, layout=layout)
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    graphJSON = json.dumps(fig, cls=plotly.utils.PlotlyJSONEncoder)
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    ## Duration of significant heat increases
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    # Timestep from raw database values for temperature
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    timestep_minutes = (datetime.datetime.strptime(temperatures[1][0], "%Y-%m-%d %H:%M:%S")-datetime.datetime.strptime(temperatures[0][0], "%Y-%m-%d %H:%M:%S")).seconds/60
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    # Calculate minutes for each streak
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    streak_minutes = streak_lengths(time_series_temperature_values)*timestep_minutes
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    # Send output to page
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    return render_template("history.html",  timezone = timezone,
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                                            graphJSON = graphJSON,
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                                            total_minutes = sum(streak_minutes),
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                                            range_hours = range_hours
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                                            )
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# Calculate streak lengths (https://stackoverflow.com/a/20614650/2152245)                                            
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def streak_lengths(temps):
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    if len(temps) < 2:
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        return len(temps)
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    else:
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        start, streaks = -1, []
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        for idx, (x, y) in enumerate(zip(temps, temps[1:])):
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            if x > y:
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                streaks.append(idx - start)
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                start = idx
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        else:
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            streaks.append(idx - start + 1) 
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        long_streaks = [x for x in streaks if x > 3]
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        return long_streaks
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def get_records():
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	from_date_str 	= request.args.get('from',time.strftime("%Y-%m-%d 00:00")) #Get the from date value from the URL
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	to_date_str 	= request.args.get('to',time.strftime("%Y-%m-%d %H:%M"))   #Get the to date value from the URL
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	timezone 		= request.args.get('timezone','Etc/UTC');
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	range_h_form	= request.args.get('range_h','');  #This will return a string, if field range_h exists in the request
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	range_h_int 	= "nan"  #initialise this variable with not a number
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    from_date_str   = request.args.get('from',time.strftime("%Y-%m-%d 00:00")) #Get the from date value from the URL
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    to_date_str     = request.args.get('to',time.strftime("%Y-%m-%d %H:%M"))   #Get the to date value from the URL
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    timezone        = request.args.get('timezone','Etc/UTC');
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    range_h_form    = request.args.get('range_h','');  #This will return a string, if field range_h exists in the request
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    range_h_int     = "nan"  #initialise this variable with not a number
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	print "REQUEST:"
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	print request.args
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	try: 
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		range_h_int	= int(range_h_form)
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	except:
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		print "range_h_form not a number"
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    print "REQUEST:"
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    print request.args
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    try: 
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        range_h_int = int(range_h_form)
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    except:
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        print "range_h_form not a number"
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	print "Received from browser: %s, %s, %s, %s" % (from_date_str, to_date_str, timezone, range_h_int)
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	if not validate_date(from_date_str):			# Validate date before sending it to the DB
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		from_date_str 	= time.strftime("%Y-%m-%d 00:00")
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	if not validate_date(to_date_str):
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		to_date_str 	= time.strftime("%Y-%m-%d %H:%M")		# Validate date before sending it to the DB
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	print '2. From: %s, to: %s, timezone: %s' % (from_date_str,to_date_str,timezone)
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	# Create datetime object so that we can convert to UTC from the browser's local time
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	from_date_obj       = datetime.datetime.strptime(from_date_str,'%Y-%m-%d %H:%M')
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	to_date_obj         = datetime.datetime.strptime(to_date_str,'%Y-%m-%d %H:%M')
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    print "Received from browser: %s, %s, %s, %s" % (from_date_str, to_date_str, timezone, range_h_int)
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    if not validate_date(from_date_str):            # Validate date before sending it to the DB
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        from_date_str   = time.strftime("%Y-%m-%d 00:00")
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    if not validate_date(to_date_str):
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        to_date_str     = time.strftime("%Y-%m-%d %H:%M")       # Validate date before sending it to the DB
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    print '2. From: %s, to: %s, timezone: %s' % (from_date_str,to_date_str,timezone)
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    # Create datetime object so that we can convert to UTC from the browser's local time
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    from_date_obj       = datetime.datetime.strptime(from_date_str,'%Y-%m-%d %H:%M')
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    to_date_obj         = datetime.datetime.strptime(to_date_str,'%Y-%m-%d %H:%M')
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	# If range_h is defined, we don't need the from and to times
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	if isinstance(range_h_int,int):	
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		arrow_time_from = arrow.utcnow().replace(hours=-range_h_int)
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		arrow_time_to   = arrow.utcnow()
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		from_date_utc   = arrow_time_from.strftime("%Y-%m-%d %H:%M")	
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		to_date_utc     = arrow_time_to.strftime("%Y-%m-%d %H:%M")
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		from_date_str   = arrow_time_from.to(timezone).strftime("%Y-%m-%d %H:%M")
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		to_date_str	    = arrow_time_to.to(timezone).strftime("%Y-%m-%d %H:%M")
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	else:
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		#Convert datetimes to UTC so we can retrieve the appropriate records from the database
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		from_date_utc   = arrow.get(from_date_obj, timezone).to('Etc/UTC').strftime("%Y-%m-%d %H:%M")	
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		to_date_utc     = arrow.get(to_date_obj, timezone).to('Etc/UTC').strftime("%Y-%m-%d %H:%M")
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    # If range_h is defined, we don't need the from and to times
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    if isinstance(range_h_int,int): 
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        arrow_time_from = arrow.utcnow().replace(hours=-range_h_int)
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        arrow_time_to   = arrow.utcnow()
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        from_date_utc   = arrow_time_from.strftime("%Y-%m-%d %H:%M")    
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        to_date_utc     = arrow_time_to.strftime("%Y-%m-%d %H:%M")
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        from_date_str   = arrow_time_from.to(timezone).strftime("%Y-%m-%d %H:%M")
 | 
			
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        to_date_str     = arrow_time_to.to(timezone).strftime("%Y-%m-%d %H:%M")
 | 
			
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    else:
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		||||
        #Convert datetimes to UTC so we can retrieve the appropriate records from the database
 | 
			
		||||
        from_date_utc   = arrow.get(from_date_obj, timezone).to('Etc/UTC').strftime("%Y-%m-%d %H:%M")   
 | 
			
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        to_date_utc     = arrow.get(to_date_obj, timezone).to('Etc/UTC').strftime("%Y-%m-%d %H:%M")
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		||||
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	conn 			    = sqlite3.connect('pi_temp.db')
 | 
			
		||||
	curs 			    = conn.cursor()
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		||||
	curs.execute("SELECT * FROM temperatures WHERE rDateTime BETWEEN ? AND ?", (from_date_utc.format('YYYY-MM-DD HH:mm'), to_date_utc.format('YYYY-MM-DD HH:mm')))
 | 
			
		||||
	temperatures 	    = curs.fetchall()
 | 
			
		||||
	curs.execute("SELECT * FROM humidities WHERE rDateTime BETWEEN ? AND ?", (from_date_utc.format('YYYY-MM-DD HH:mm'), to_date_utc.format('YYYY-MM-DD HH:mm')))
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		||||
	humidities 		    = curs.fetchall()
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		||||
	conn.close()
 | 
			
		||||
    conn                = sqlite3.connect('pi_temp.db')
 | 
			
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    curs                = conn.cursor()
 | 
			
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    curs.execute("SELECT * FROM temperatures WHERE rDateTime BETWEEN ? AND ?", (from_date_utc.format('YYYY-MM-DD HH:mm'), to_date_utc.format('YYYY-MM-DD HH:mm')))
 | 
			
		||||
    temperatures        = curs.fetchall()
 | 
			
		||||
    curs.execute("SELECT * FROM humidities WHERE rDateTime BETWEEN ? AND ?", (from_date_utc.format('YYYY-MM-DD HH:mm'), to_date_utc.format('YYYY-MM-DD HH:mm')))
 | 
			
		||||
    humidities          = curs.fetchall()
 | 
			
		||||
    conn.close()
 | 
			
		||||
 | 
			
		||||
	return [temperatures, humidities, timezone, from_date_str, to_date_str]
 | 
			
		||||
    return [temperatures, humidities, timezone, from_date_str, to_date_str, range_h_int]
 | 
			
		||||
 | 
			
		||||
def validate_date(d):
 | 
			
		||||
    try:
 | 
			
		||||
@@ -184,4 +206,4 @@ def validate_date(d):
 | 
			
		||||
        return False
 | 
			
		||||
 | 
			
		||||
if __name__ == "__main__":
 | 
			
		||||
    app.run(host='0.0.0.0', port=8080)
 | 
			
		||||
    app.run(host='0.0.0.0', port=8080)
 | 
			
		||||
@@ -34,32 +34,32 @@
 | 
			
		||||
  <body>
 | 
			
		||||
    <div class="container">
 | 
			
		||||
      <div class="row">
 | 
			
		||||
	      <form id="datetime_range" action="/history" method="GET"> 
 | 
			
		||||
	        <!-- <div class="row">          -->
 | 
			
		||||
	          <div class="three columns">
 | 
			
		||||
	            <label for="from">From date</label>
 | 
			
		||||
	            <input class="u-full-width" id="datetimepicker1" type="text" value="{{from_date}}" name="from">
 | 
			
		||||
	          </div>
 | 
			
		||||
	        <!-- </div> -->
 | 
			
		||||
	        <!-- <div class="row"> -->
 | 
			
		||||
	          <div class="three columns">
 | 
			
		||||
	            <label for="to">To date</label>           
 | 
			
		||||
	            <input class="u-full-width" id="datetimepicker2" type="text" value="{{to_date}}" name="to">
 | 
			
		||||
	          </div>   
 | 
			
		||||
	        <!-- </div>          -->
 | 
			
		||||
	        <!-- <div class="row"> -->
 | 
			
		||||
	          <div class="two columns">    
 | 
			
		||||
	            <input type="hidden" class="timezone" name="timezone" />       
 | 
			
		||||
	            <input class="button-primary" type="submit" value="Submit" style="position:relative; top: 28px" id="submit_button" />
 | 
			
		||||
	          </div>
 | 
			
		||||
	        <!-- </div> -->
 | 
			
		||||
	      </form> 
 | 
			
		||||
          <form id="datetime_range" action="/history" method="GET"> 
 | 
			
		||||
            <!-- <div class="row">          -->
 | 
			
		||||
              <div class="three columns">
 | 
			
		||||
                <label for="from">From date</label>
 | 
			
		||||
                <input class="u-full-width" id="datetimepicker1" type="text" value="{{from_date}}" name="from">
 | 
			
		||||
              </div>
 | 
			
		||||
            <!-- </div> -->
 | 
			
		||||
            <!-- <div class="row"> -->
 | 
			
		||||
              <div class="three columns">
 | 
			
		||||
                <label for="to">To date</label>           
 | 
			
		||||
                <input class="u-full-width" id="datetimepicker2" type="text" value="{{to_date}}" name="to">
 | 
			
		||||
              </div>   
 | 
			
		||||
            <!-- </div>          -->
 | 
			
		||||
            <!-- <div class="row"> -->
 | 
			
		||||
              <div class="two columns">    
 | 
			
		||||
                <input type="hidden" class="timezone" name="timezone" />       
 | 
			
		||||
                <input class="button-primary" type="submit" value="Submit" style="position:relative; top: 28px" id="submit_button" />
 | 
			
		||||
              </div>
 | 
			
		||||
            <!-- </div> -->
 | 
			
		||||
          </form> 
 | 
			
		||||
      </div>
 | 
			
		||||
      <div class="row">
 | 
			
		||||
      <div class="eleven columns">
 | 
			
		||||
      	<div class="one column">
 | 
			
		||||
			    <a href="/">Live</a>
 | 
			
		||||
       	</div>
 | 
			
		||||
        <div class="one column">
 | 
			
		||||
                <a href="/">Live</a>
 | 
			
		||||
        </div>
 | 
			
		||||
        <form id="range_select" action = "/history" method="GET">  
 | 
			
		||||
          <input type="hidden" class="timezone" name="timezone" />      
 | 
			
		||||
          <div class="one column">
 | 
			
		||||
@@ -77,6 +77,9 @@
 | 
			
		||||
        </form>          
 | 
			
		||||
      </div>
 | 
			
		||||
    </div>
 | 
			
		||||
    
 | 
			
		||||
    Furnace averaging {{ "%.2f" % (total_minutes/range_hours) }} minutes/hr ({{ total_minutes }} minutes total).
 | 
			
		||||
 | 
			
		||||
    <div class='row' id='plotly-plot'></div>
 | 
			
		||||
 | 
			
		||||
  </body>
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user