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arrl_session_counts.py
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arrl_session_counts.py
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from bs4 import BeautifulSoup
import requests
import sqlite3 as sq
import time
from datetime import datetime
from pathlib import Path
import os
class ArrlSessionCount:
STATES_DICT = {'AL': 'Alabama', 'AK': 'Alaska', 'AZ': 'Arizona', 'AR': 'Arkansas', 'CA': 'California', 'CO': 'Colorado', 'CT': 'Connecticut', 'DE': 'Delaware', 'DC': 'District Of Columbia', 'FL': 'Florida', 'GA': 'Georgia', 'HI': 'Hawaii', 'ID': 'Idaho', 'IL': 'Illinois', 'IN': 'Indiana', 'IA': 'Iowa', 'KS': 'Kansas', 'KY': 'Kentucky', 'LA': 'Louisiana', 'ME': 'Maine', 'MD': 'Maryland', 'MA': 'Massachusetts', 'MI': 'Michigan', 'MN': 'Minnesota', 'MS': 'Mississippi', 'MO': 'Missouri', 'MT': 'Montana', 'NE': 'Nebraska', 'NV': 'Nevada', 'NH': 'New Hampshire', 'NJ': 'New Jersey', 'NM': 'New Mexico', 'NY': 'New York', 'NC': 'North Carolina', 'ND': 'North Dakota', 'OH': 'Ohio', 'OK': 'Oklahoma', 'OR': 'Oregon', 'PA': 'Pennsylvania', 'PR': 'Puerto Rico', 'RI': 'Rhode Island', 'SC': 'South Carolina', 'SD': 'South Dakota', 'TN': 'Tennessee', 'TX': 'Texas', 'UT': 'Utah', 'VT': 'Vermont', 'VA': 'Virginia', 'WA': 'Washington', 'WV': 'West Virginia', 'WI': 'Wisconsin', 'WY': 'Wyoming', 'AS': 'American Samoa', 'AE': 'Armed Forces - Europe', 'AP': 'Armed Forces - Pacific', 'AA': 'Armed Forces - USA/Canada', 'FM': 'Federated States of Micronesia', 'GU': 'Guam', 'MH': 'Marshall Islands', 'MP': 'Northern Mariana Islands', 'PW': 'Palau', 'VI': 'Virgin Islands', 'Non-US': 'Non-US'}
ARRL_URL = "http://www.arrl.org/ve-session-counts"
DATABASE_PATH = Path(__file__).parent.joinpath("ve_session_counts.db")
LOG_PATH = Path(__file__).parent.joinpath("log")
LAST_UPDATED_PATH = Path(__file__).parent.joinpath("last_updated.txt")
# Extract ve data from a row
def __extract(self, row, state):
ve_info ={
'callSign' : None,
'name' : None,
'state' : state,
'county' : None,
'accreditation' : None,
'sessions' : None
}
#gets callSign
ve_info['callSign'] = row.td.b.string
#gets name
row.td.b.extract()
ve_info['name'] = row.td.string.strip().replace("(", "").replace(")", "")
#gets county
ve_info['county'] = row.find_all('td')[1].string
#gets accreditation
ve_info['accreditation'] = row.find_all('td')[2].string
#gets sessions
ve_info['sessions'] = row.find_all('td')[3].string
for key in ve_info:
ve_info[key] = str(ve_info[key])
return ve_info
#updates the timestamp in the 'last updated' file
def __update(self):
dt = datetime.now()
with open(ArrlSessionCount.LAST_UPDATED_PATH, 'w') as last_updated:
last_updated.write(str(int(dt.timestamp())))
def __init__(self):
# Gets a list of states available on the arrl ve session coutns page
# r = requests.get(ArrlSessionCount.ARRL_URL)
# doc = BeautifulSoup(r.content, 'html.parser')
# for option in doc.find('select', {'name':'state'}).find_all('option'):
# if(option['value'] == ""):
# continue
# else:
# ArrlSessionCount.STATES_DICT[option['value']] = option.string
#Initiates a database table if one doesn't exist
ArrlSessionCount.LOG_PATH.mkdir(exist_ok=True)
self.conn = sq.connect(ArrlSessionCount.DATABASE_PATH)
self.cursor = self.conn.cursor()
# checks if the database exists
try:
self.cursor.execute('''CREATE TABLE ve_session_counts(
callSign TEXT,
name TEXT,
state TEXT,
county TEXT,
accreditation TEXT,
sessions TEXT
)
''')
self.conn.commit()
except sq.OperationalError:
return
#creates the log file
dt = datetime.now()
logFilePath = ArrlSessionCount.LOG_PATH.joinpath(dt.strftime('%b_%d_%Y.log'))
#gets all the ve info for every state and stores it to the database
for key in ArrlSessionCount.STATES_DICT:
r = requests.get((ArrlSessionCount.ARRL_URL+f"?state={key}"))
doc = BeautifulSoup(r.content, 'html.parser')
try:
table = doc.find("table", id="sc_table").find_all('tr')
except AttributeError:
continue
table.pop(0) #removes the headers
for row in table:
ve_info = self.__extract(row, ArrlSessionCount.STATES_DICT[key])
#Inserts into database
with self.conn:
self.cursor.execute(f'''INSERT INTO ve_session_counts VALUES(
"{ve_info['callSign']}",
"{ve_info['name']}",
"{ve_info['state']}",
"{ve_info['county']}",
"{ve_info['accreditation']}",
"{ve_info['sessions']}"
)
''')
with open(logFilePath, 'a') as log:
log.write("VE Added\n")
log.write(f"{ve_info}\n")
with open(logFilePath, 'a') as log:
dt = datetime.now()
log.write(f"Fetched {ArrlSessionCount.STATES_DICT[key]} {dt.strftime('%X')}\n")
time.sleep(120)
self.conn.close()
with open(logFilePath, 'a') as log:
dt = datetime.now()
log.write(f"VE Stats Fetched! {dt.strftime('%X')}\n")
self.__update()
def sync(self):
dt = datetime.now()
logFilePath = ArrlSessionCount.LOG_PATH.joinpath(dt.strftime('%b_%d_%Y.log'))
with open(logFilePath, 'a') as log:
log.write(f"Sync in progress {dt.strftime('%c')}\n")
for key in ArrlSessionCount.STATES_DICT:
r = requests.get((ArrlSessionCount.ARRL_URL+f"?state={key}"))
doc = BeautifulSoup(r.content, 'html.parser')
try:
table = doc.find("table", id="sc_table").find_all("tr")
except AttributeError:
continue
table.pop(0) #removes the headers
for row in table:
ve_info = self.__extract(row, ArrlSessionCount.STATES_DICT[key])
ve_info = tuple(value for value in ve_info.values())
with self.conn:
self.cursor.execute('SELECT * FROM ve_session_counts WHERE callSign = ? AND state = ?', (ve_info[0], ve_info[2],))
existing_record = self.cursor.fetchone()
if existing_record is not None:
if existing_record != ve_info:
self.cursor.execute('''UPDATE ve_session_counts
SET name = ?, state = ?, county = ?, accreditation = ?, sessions = ?
WHERE callSign = ?
''', (ve_info[1], ve_info[2], ve_info[3], ve_info[4], ve_info[5], ve_info[0]))
with open(logFilePath, 'a') as log:
log.write("VE Updated\n")
log.write(f"{existing_record}\n")
log.write(f"{ve_info}\n")
else:
self.cursor.execute(f'''INSERT INTO ve_session_counts VALUES(
"{ve_info[0]}",
"{ve_info[1]}",
"{ve_info[2]}",
"{ve_info[3]}",
"{ve_info[4]}",
"{ve_info[5]}"
)
''')
with open(logFilePath, 'a') as log:
log.write("VE Added\n")
log.write(f"{ve_info}\n")
with open(logFilePath, 'a') as log:
dt = datetime.now()
log.write(f"Fetched {ArrlSessionCount.STATES_DICT[key]} {dt.strftime('%X')}\n")
time.sleep(120)
self.conn.close()
with open(logFilePath, 'a') as log:
dt = datetime.now()
log.write(f"VE Stats Fetched! {dt.strftime('%X')}\n")
self.__update()
def get_ve_stats(self, call_sign:str):
call_sign = call_sign.upper()
result = None
with self.conn:
self.cursor.execute('''SELECT * FROM ve_session_counts WHERE callSign = ?''', (call_sign,))
result = self.cursor.fetchone()
if result is not None:
return result
else:
return None
def get_last_update(self):
return open(ArrlSessionCount.LAST_UPDATED_PATH, 'r').read()
if __name__ == '__main__':
if ArrlSessionCount.DATABASE_PATH.is_file():
arrl = ArrlSessionCount()
arrl.sync()
else:
arrl = ArrlSessionCount()