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timeline.py
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timeline.py
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import matplotlib.pyplot as plt
import json
from datetime import datetime
import math
import argparse
#cooldown = 5 #set your cooldown from main script
from main import cooldown
parser = argparse.ArgumentParser(description='Graph generator ')
parser.add_argument('-s', '--show-graph', default=1,
help='1 — show temp and hum graph, 0 — not',
choices=['1', '2'])
parser.add_argument('-p', '--period', type=int,
help='Period of ticks in seconds', metavar='seconds',
default=600)
parser.add_argument('-t', '--ticks', default=75,
help='Count of ticks on the graph', metavar='tickrate')
parser.add_argument('-m', '--method', default=2,
help='Select method for averaging. 1 — by period, 2 — ticks',
choices=['1', '2'])
parser.add_argument('-o', '--output', metavar='filename',
help='Filename for graph (jpg or png)')
parser.add_argument('-d', '--datafile', metavar='filename', default = 'data.txt',
help='Filename for specific datafile',)
args = parser.parse_args()
period = int(args.period) #period of ticks in seconds
ticks = int(args.ticks)
method = int(args.method) #method for averaging by period(1) or ticks(2), ticks works and looks better i think
show_graph = int(args.show_graph)
datafile = args.datafile
filename = args.output
if period < cooldown:
raise ValueError('The period cannot be less than a cooldown')
with open(datafile, 'r') as f:
data = f.read().replace('\'', '"')
splitted_data = data.split('\n')
try:
splitted_data.remove('')
except:
pass
clear_splitted_data = []
def filter_data():
errors_count = 0
for once in splitted_data:
try:
data = json.loads(once)
if (('t' in data) and ('h' in data) and ('time' in data)) and (data['t'] != 'nan' and data['h'] != 'nan'):
clear_splitted_data.append(data)
else:
raise
except:
errors_count += 1
print('Invalid lines in data.txt:', errors_count)
start_filtering_time = datetime.now()
filter_data()
print('Time spent on filtering: ', datetime.now() - start_filtering_time)
lenght = len(clear_splitted_data)
thinned_data = []
###data averaging###
def averaging_by_period():
summ_temp, summ_hum = 0, 0
for i in range(0, lenght):
data_i = clear_splitted_data[i]
summ_temp += float(data_i['t'])
summ_hum += float(data_i['h'])
if (i % (period // cooldown) == 0 and i != 0):
data_i.update({'t': float(summ_temp / (period // cooldown))})
data_i.update({'h': float(summ_hum / (period // cooldown))})
thinned_data.append(data_i)
summ_temp, summ_hum = 0, 0
elif i == 0:
data_i.update({'t': float(summ_temp)})
data_i.update({'h': float(summ_hum)})
thinned_data.append(data_i)
summ_temp, summ_hum = 0, 0
elif (i == lenght - 1):
data_i.update({'t': float(summ_temp / ((lenght - 1) % (period // cooldown)))})
data_i.update({'h': float(summ_hum / ((lenght - 1) % (period // cooldown)))})
thinned_data.append(data_i)
def averaging_by_ticks():
ticks_step = math.floor(lenght / ticks)
summ_temp_for_tick, summ_hum_for_tick = 0, 0
for step in range((ticks - 1) * ticks_step):
data_tick_step = clear_splitted_data[step]
summ_temp_for_tick += float(data_tick_step['t'])
summ_hum_for_tick += float(data_tick_step['h'])
if step % ticks_step == ticks_step - 1:
thinned_data.append({'t': summ_temp_for_tick / ticks_step,
'h': summ_hum_for_tick / ticks_step,
'time': data_tick_step['time']})
summ_temp_for_tick, summ_hum_for_tick = 0, 0
#for the last tick if ticks_step*ticks < lenght
counter = 0
for step in range((ticks - 1) * ticks_step, lenght):
data_tick_step = clear_splitted_data[step]
summ_temp_for_tick += float(data_tick_step['t'])
summ_hum_for_tick += float(data_tick_step['h'])
counter += 1
thinned_data.append({'t': summ_temp_for_tick / counter,
'h': summ_hum_for_tick / counter,
'time': data_tick_step['time']})
###fail edition
#def averaging_by_ticks():
# ticks_step = math.ceil(lenght / ticks)
# #ticks_step = lenght // ticks
# counter = 0
# for tick in range(ticks):
# summ_temp_for_tick, summ_hum_for_tick = 0, 0
# if counter + ticks_step < lenght or lenght % ticks == 0:
# for tick_step in range(ticks_step):
# data_tick_step = json.loads(splitted_data[counter])
# summ_temp_for_tick += float(data_tick_step['t'])
# summ_hum_for_tick += float(data_tick_step['h'])
# counter += 1
# print(counter)
# elif counter >= lenght - lenght % ticks_step:
# last_ticks_counter = 0
# for tick_step in range(lenght - lenght % ticks_step, lenght):
# data_tick_step = json.loads(splitted_data[tick_step])
# summ_temp_for_tick += float(data_tick_step['t'])
# summ_hum_for_tick += float(data_tick_step['h'])
# last_ticks_counter += 1
# ticks_step = last_ticks_counter
# thinned_data.append({'t': summ_temp_for_tick / ticks_step,
# 'h': summ_hum_for_tick / ticks_step,
# 'time': data_tick_step['time']})
###legacy
#for i in range(len(splitted_data)):
# if i % (period // cooldown) == 0:
# thinned_data.append(splitted_data[i])
start_averaging_time = datetime.now()
if method == 1:
averaging_by_period()
elif method == 2:
averaging_by_ticks()
print('Time spent on averaging: ', datetime.now() - start_averaging_time)
print('Lenght before:', lenght, '\nLenght after:', len(thinned_data))
list_data = {'time': [], 'temp': [], 'hum': []}
for once in thinned_data:
list_data['temp'].append(round(float(once['t']), 1))
list_data['hum'].append(round(float(once['h']), 1))
list_data['time'].append(datetime.fromtimestamp(round(float(once['time']), 0)).strftime("%H:%M:%S %d.%m.%Y"))
#print(list_data)
#plt.plot(list_data['time'], list_data['temp'], list_data['hum'])
#plt.plot(list_data['time'], list_data['temp'])
fig, ax = plt.subplots(2, 1, sharex=True, figsize=(10, 7))
ax[0].plot(list_data['time'], list_data['temp'])
ax[0].set_xlabel('time')
ax[0].set_ylabel('temperature')
#ax[0].set_ylim([0, max(list_data['temp'])])
ax[1].plot(list_data['time'], list_data['hum'])
ax[1].set_xlabel('time')
ax[1].set_ylabel('humidity')
ax[1].set_ylim([0, 100])
fig.tight_layout()
fig.suptitle('temperature and humidity')
fig.canvas.manager.set_window_title('temptrack')
plt.xticks(rotation=80, ha='right')
plt.subplots_adjust(top=0.94,
bottom=0.295,
left=0.065,
right=0.985,
hspace=0.154,
wspace=0.205)
if filename != None:
plt.savefig(filename)
if show_graph == 1:
plt.show()