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dataUtils.py
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import csv
import re
import time
from typing import List
from DataRow import DataRow
import requests
from bs4 import BeautifulSoup
from urllib.parse import quote
session_object=requests.Session()
def get_post_payload(options:dict) -> str:
form_body_data={
"__EVENTTARGET": "",
"__EVENTARGUMENT": "",
"__VIEWSTATE": "75bMG2iqZw68TRb9R%2BHHUJSZH7GrEdwuDANza%2F1gsiINbPQ8317qddj1VnAZ%2BwMm8nNpRmLuW1nj6g2BgUkkhuUv1dozcz0TvRK3F%2BfQsbHFAnqAxAa7cgeAvhIURkbp1Do7nwPD8%2F1gMMnqTr5RzcfldcyFWIvVzn6p9F3DlMLKsg4%2F6Q2G8qauX3EOk7B2yKumzPW4DpFhXDBEXZsCAQ7Q%2FieWIxqrIVhynrbF6%2Fs%3D",
"__VIEWSTATEGENERATOR": "90059987",
"uploadGrd$DXFREditorcol1": "",
"uploadGrd$DXFREditorcol2": "",
"uploadGrd$DXFREditorcol3": "",
"uploadGrd$DXFREditorcol4": "",
"uploadGrd$DXFREditorcol5": "",
"uploadGrd$DXFREditorcol6": "",
"uploadGrd$DXFREditorcol7": "",
"uploadGrd$DXFREditorcol8": "",
"uploadGrd$DXFREditorcol9": "",
"uploadGrd$DXFREditorcol10": "",
"uploadGrd$DXSelInput": "",
"uploadGrd$DXKVInput:": "[]",
"uploadGrd$CallbackState":"BwQHAgIERGF0YQbyBAAAAAClBQAApQUAAAoAAAAKAAAAAAoAAAAFR3JpZHMFR3JpZHMHAAALU3dpdGNoX05hbWULU3dpdGNoX05hbWUHAAAGR3JvdXBzBkdyb3VwcwcAAAhDYXRlZ29yeQhDYXRlZ29yeQcAAAtGaXJzdF9DeWNsZQtGaXJzdF9DeWNsZQcAAAxTZWNvbmRfQ3ljbGUMU2Vjb25kX0N5Y2xlBwAAC1RoaXJkX0N5Y2xlC1RoaXJkX0N5Y2xlBwAAC0ZvcnRoX0N5Y2xlC0ZvcnRoX0N5Y2xlBwAAC0ZpZnRoX0N5Y2xlC0ZpZnRoX0N5Y2xlBwAAC1NpeHRoX0N5Y2xlC1NpeHRoX0N5Y2xlBwAAAQAAAAJJRAcABwAHAAcABv%2F%2FBwIJQUdIQSBLSEFOBwINU0hBTUlNIEFITUVEIAcCATQHAglOb3JtYWwtTEwHAgkxMzM1fjE1MDUHAgkwMzA1fjA1MDUHAgEtBwIBLQcCAS0HAgEtBwAHAAb%2F%2FwcCCUFHSEEgS0hBTgcCC1NVTk5ZIFZPSFJBBwIBMQcCCU5vcm1hbC1MTAcCCTA5MDV%2BMTAzNQcCCTAxMDV%2BMDMwNQcCAS0HAgEtBwIBLQcCAS0HAAcABv%2F%2FBwIHQUlSUE9SVAcCGFNVUEVSSU9SIFNJQ0VOQ0UgQ09MTEVHRQcCATIHAgZDT04tTEwHAgkxMDM1fjEyMDUHAgkxNzA1fjE4MzUHAgkwMTA1fjAyMDUHAgkwMzA1fjA0MDUHAgEtBwIBLQcABwAG%2F%2F8HAgdBSVJQT1JUBwILVEFOR0EgU1RBTkQHAgExBwIGQ09OLUxMBwIJMDkwNX4xMDM1BwIJMTYwNX4xNzM1BwIJMDEwNX4wMjA1BwIJMDMwNX4wNDA1BwIBLQcCAS0HAAcABv%2F%2FBwIHQUlSUE9SVAcCFVNJRERJUUlBIE1BU0pJRCBSTVUgKwcCATMHAgZDT04tTEwHAgkxMjA1fjEzMzUHAgkxNzM1fjE5MDUHAgkwMTA1fjAyMDUHAgkwMzA1fjA0MDUHAgEtBwIBLQcABwAG%2F%2F8HAgdBSVJQT1JUBwIPU0hBTUEgQ0VOVFJFICArBwIBMgcCCU5vcm1hbC1MTAcCCTEwMzV%2BMTIwNQcCCTAxMDV%2BMDMwNQcCAS0HAgEtBwIBLQcCAS0HAAcABv%2F%2FBwIHQUlSUE9SVAcCF1NIT1VLQVQgVU1BUiBIT1NQSVRBTCArBwIBOQcCBkNPTi1MTAcCCTEzMDV%2BMTQzNQcCCTE3MzV%2BMTkwNQcCCTAwMDV%2BMDEwNQcCCTA1MDV%2BMDYwNQcCAS0HAgEtBwAHAAb%2F%2FwcCB0FJUlBPUlQHAg1TQU5HQU0gQ0lORU1BBwIBNgcCBkNPTi1MTAcCCTE1MzV%2BMTcwNQcCCTIwMzV%2BMjIwNQcCCTAwMDV%2BMDEwNQcCCTAyMDV%2BMDMwNQcCAS0HAgEtBwAHAAb%2F%2FwcCB0FJUlBPUlQHAgVRRUMgKwcCATYHAglOb3JtYWwtTEwHAgkxNjM1fjE4MDUHAgkwMzA1fjA1MDUHAgEtBwIBLQcCAS0HAgEtBwAHAAb%2F%2FwcCB0FJUlBPUlQHAgtSRVRBIFBMT1QgKwcCAjNjBwICSEwHAgkwODA1fjEwMzUHAgkxMzA1fjE2MDUHAgkxODM1fjIxMDUHAgkyMzA1fjAxMDUHAgEtBwIBLQIFU3RhdGUHXQcLBwACAQcBAgEHAgIBBwMCAQcEAgEHBQIBBwYCAQcHAgEHCAIBBwkCAQcKAgEHAAcABwAHAAIABQAAAIAJAgAHAAkCAAIAAwcEAgAHAAIBBqUFBwACAQcABwAHAAINU2hvd0ZpbHRlclJvdwoCAQIJUGFnZUluZGV4AwcB",
"DXScript":"1_171,1_94,1_164,1_104,1_138,1_114,1_121,1_152",
"DXCss":" 0_108,0_260,1_12,0_110,0_264,0_100,1_5,0_102",
"__CALLBACKID":"uploadGrd",
"__CALLBACKPARAM":"c0:KV|2;[];GB|20;12|PAGERONCLICK3|PN5",
"__EVENTVALIDATION":"ryBIH+GqwwiR5H8miIbcIgtdiuImx9XcWZfIJv9GMVoWfbDYJQqUYG3PsHfekIA3Gu0cfKl0CeG4EFsT5sM6CzYEUmaIa71F+FZ57nFxtDygvTTzYUnneLSjy6V1mESF"
}
#Add options to form_body_data
for key, value in options.items():
form_body_data[key]=value
t = []
for key, value in form_body_data.items():
if key == '__VIEWSTATE' or key == 'uploadGrd$CallbackState':
k = quote(key)
v = value
else:
k = quote(key)
v = quote(value)
st = k+'='+v
t.append(st)
split = '&'.join(t)
return split
def make_Request_to_api(encoded_payload:str)->List:
headers= {
'Accept': '*/*',
'Accept-Language': 'en-US,en;q=0.9',
'Cache-Control': 'no-cache',
'Connection': 'keep-alive',
'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
'DNT': '1',
'Origin': 'https://staging.ke.com.pk:8490',
'Pragma': 'no-cache',
'Referer': 'https://staging.ke.com.pk:8490/index.aspx',
'Sec-Fetch-Dest': 'empty',
'Sec-Fetch-Mode': 'cors',
'Sec-Fetch-Site': 'same-origin',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36',
'sec-ch-ua': '"Chromium";v="104", " Not A;Brand";v="99", "Google Chrome";v="104"',
'sec-ch-ua-mobile': '?0',
'sec-ch-ua-platform': '"Windows"',
'sec-gpc': '1'
},
#Send request with sessions object
url="https://staging.ke.com.pk:8490/index.aspx"
response=session_object.post(url, data=encoded_payload, headers=headers[0],timeout=5)
return response.text
def get_encoded_post_payload(page:int, PAGERONCLICK:int)->str:
options={}
rangeStart=20+PAGERONCLICK-3
options= {
'__CALLBACKPARAM': f"c0:KV|2;[];GB|{rangeStart};12|PAGERONCLICK{PAGERONCLICK}|PN{page};"
}
payload=get_post_payload(options)
return payload
def get_block(page:int)->int:
if page >=0 and page <10:
return 3
elif page >=10 and page <100:
return 4
elif page >=100 and page <145:
return 5
else:
raise Exception("Page number out of range")
def get_page(page:int):
block=get_block(page)
post_payload=get_encoded_post_payload(page, block)
data=make_Request_to_api(post_payload)
list_of_rows=extract_table_from_text(data)
return list_of_rows
def get_load_shedding_schedule():
total_pages=145
total_rows=[]
for page in range(total_pages):
print(f"Fetching Page: {page}")
data_list=get_page(page)
total_rows.extend(data_list)
schedule=list(set ( map(lambda x: DataRow(x), total_rows) ))
schedule=list(map(lambda x: x.get_row(), schedule))
return schedule
def save_to_disk(data:list[DataRow]):
#Convert datarows to rows
col=[
'Grids',
'Feeder_Name',
'Group',
'Category',
'1st_Cycle',
'2nd_Cycle',
'3rd_Cycle',
'4th_Cycle',
'5th_Cycle',
'6th_Cycle',
]
print("total rows: ", len(data))
with open('data.csv','w') as out:
csv_out=csv.writer(out)
csv_out.writerow(col)
for row in data:
csv_out.writerow(row)
def extract_table_from_text(text:str)->List:
data=text
if data[0:7] != '0|/*DX*':
raise Exception("Response type: html\n")
testdata = data[20:-10]
regular_expression = r"<tr id=\"uploadGrd_DXDataRow\d+\" class=\"dxgvDataRow_Aqua\">"
l = re.split(regular_expression, testdata)
e = []
for i in range(1, len(l)):
table_data = BeautifulSoup(l[i], features="lxml").find_all("td")
c = []
for table_row in table_data:
c.append(table_row.text)
e.append(c)
lists=e
rows=[]
for row in lists:
if len(row)==22:
#Break it up into two lists of 11 elements
row1=row[:11]
row2=row[11:]
rows.append(row1)
rows.append(row2)
else:
rows.append(row)
data=rows
data = [x[1:] for x in data]
return data
if __name__ == "__main__":
data=get_load_shedding_schedule()
print (len(data))
save_to_disk(data)