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get_measurements.py
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get_measurements.py
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import re
import os
from decimal import Decimal
import numpy as np
import time, datetime
import dateutil.parser as dparser
from collections import Counter
import urllib.request
from bs4 import BeautifulSoup as BS
from selenium import webdriver
def get_post_measurements(content):
popup = content.find("div",{'class':'leaflet-popup-content-wrapper'})
post_name = popup.find("div",{'class':'popup'}).find('b').contents[0]
post_id = re.findall(r'\d+', post_name)[0]
post_measurements = {}
for row in popup.find("div",{'class':'leaflet-popup-content'}).find_all("div",{'class':'indicators'}):
for indicator in row.find_all("div",{'class':'clear'}):
if indicator is not None:
param = indicator.find('b').text[:-1]
measurement = indicator.contents[3][:-4].strip()
if 'обслуж' in measurement:
measurement = '-1'
post_measurements.update({param : measurement})
return post_id,post_measurements
def get_weather_measurements(content):
weather_data = []
for post in content.find("div",{'id':'data'}).find_all("div",{'class':'popup'}):
if not 'обслуж' in post.text:
wind = post.find('span').attrs['title']
extData = [i.text for i in post.find_all("strong")]
extData.append(re.search('(?<=\().*?(?=\))', wind).group()[:-1])
weather_data += extData[1:]
else:
weather_data += ['-1']*6
return weather_data
def getMeasurementsNow(spf = 1200.0, period = 60*60*24, pageURL = 'http://ceb-uk.kz/map/'):
outfilename = os.path.join(os.path.abspath('data'),time.strftime('%Y-%m-%d', time.localtime(time.time())) + '.csv')
if not os.path.exists(outfilename):
mode = 'w+'
elif os.stat(outfilename).st_size > 0:
mode = 'a'
else:
mode = 'w'
with open(outfilename, mode) as csvfile:
print("<%s>" % outfilename)
if mode == 'w+' or mode =='w':
csvfile.write('servertime,timestamp,1_CO,1_CxHy,1_HCl,1_HCOH,1_NO2,1_SO2,2_CO,2_CxHy,2_HCl,2_HCOH,2_NO2,2_SO2,3_CO,3_CxHy,3_HCl,3_HCOH,3_NO2,3_SO2,4_CO,4_CxHy,4_HCl,4_HCOH,4_NO2,4_SO2,5_CO,5_CxHy,5_HCl,5_HCOH,5_NO2,5_SO2,6_CO,6_CxHy,6_HCl,6_HCOH,6_NO2,6_SO2,7_CO,7_CxHy,7_HCl,7_HCOH,7_NO2,7_SO2,8_Cl2,8_CO,8_CxHy,8_HCOH,8_NO2,8_SO2,9_CO,9_CxHy,9_HCOH,9_HF,9_NO2,9_SO2,11_temp, 11_atmp, 11_windspeed, 11_humi, 11_precipitation, 11_winddirection, 12_temp, 12_atmp, 12_windspeed, 12_humi, 12_precipitation, 12_winddirection')
csvfile.write('\n')
try:
browser.get(pageURL)
delay = 1 + np.random.randint(2) + np.random.rand()
time.sleep(delay)
browser.find_element_by_class_name('toggle-menu').click()
delay = 1 + np.random.randint(2) + np.random.rand()
time.sleep(delay)
content = BS(browser.page_source, 'lxml')
data_entry = []
for i,element in enumerate(browser.find_elements_by_class_name('clear')):
element.click()
content = BS(browser.page_source, 'lxml')
post_id, post_measurements = get_post_measurements(content)
data_entry.append( ','.join(post_measurements.values()) )
delay = np.random.randint(2) + np.random.rand()
time.sleep(delay)
if i>=8:
break
browser.find_elements_by_tag_name('option')[-1].click()
content = BS(browser.page_source, 'lxml')
data_entry_weather = get_weather_measurements(content)
content = BS(browser.page_source, 'lxml')
text = content.find("span",{'id':'date'}).text
servertime = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
timestamp = dparser.parse(text, fuzzy=True).strftime("%Y-%m-%d %H:%M:%S")
line = servertime+','+timestamp+',' +','.join(data_entry+data_entry_weather)
with open(outfilename, 'a') as csvfile:
csvfile.write(line)
csvfile.write('\n')
print("%s, %s" % (servertime, timestamp) )
browser.find_element_by_class_name('toggle-menu').click()
delay = 1 + np.random.randint(10) + np.random.rand()
except:
print("\nprocess interrupted %s" % time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time())))
pageURL = 'http://ceb-uk.kz/map/'
path_to_chromedriver = os.path.join(os.path.abspath('chromedriver'), 'chromedriver.exe')
try:
spf = 1200
frametime = spf
starttime = 0
while True:
if frametime >= spf:
starttime = time.time()
browser = webdriver.Chrome(executable_path = path_to_chromedriver)
delay = 2+np.random.randint(2) + np.random.rand()
time.sleep(delay)
try:
getMeasurementsNow(pageURL = pageURL)
delay = 2+np.random.randint(2) + np.random.rand()
time.sleep(delay)
browser.close()
except:
browser.close()
#servertime = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
#print(servertime)
#FIXED TIME STEP technique
frametime = time.time() - starttime
except(KeyboardInterrupt, SystemExit):
servertime = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
print('%s process interrupted' % servertime)