aprs_tool/api_app.py

96 lines
2.8 KiB
Python

from flask import Flask, request
from flask_restful import Resource, Api, reqparse
from datetime import date, timedelta
import configparser
import csv
import ast
import glob
import json, operator
import sqlite3
api_app = Flask(__name__)
api = Api(api_app)
def read_config():
config = configparser.ConfigParser()
config.read('config.ini')
return config
def read_logs(log_folder):
# Read some log files
# UTC time, so let's look at tomorrow, today, and yesterday.
today = date.today()
yesterday = today - timedelta(days = 1)
tomorrow = today + timedelta(days = 1)
file_list = glob.glob(log_folder+str(yesterday)+"*") + \
glob.glob(log_folder+str(today)+"*") + \
glob.glob(log_folder+str(tomorrow)+"*")
# https://stackoverflow.com/a/66071962
json_array = []
for file in file_list:
with open(file, encoding='utf-8') as csvf:
csvReader = csv.DictReader(csvf)
for row in csvReader:
#add this python dict to json array
json_array.append(row)
# Add the call and location of this station to the packet info
config = read_config()
for item in json_array:
item['station_name'] = config['Settings']['station_call']
item['station_lat'] = config['Settings']['station_lat']
item['station_lon'] = config['Settings']['station_lon']
return(json_array)
def dict_factory(cursor, row):
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
return d
def get_db_connection():
conn = sqlite3.connect('database.db')
conn.row_factory = dict_factory
return conn
def select_all_frames(conn):
"""
Query all rows in the frames table
:param conn: the Connection object
:return:
"""
cur = conn.cursor()
cur.execute("SELECT * FROM frames")
rows = cur.fetchall()
return rows
class Packets(Resource):
def get(self):
try:
n = int(request.args.get('n'))
except:
n = 10
print(n)
conn = get_db_connection()
data = select_all_frames(conn)[-n:]
# Sort by created date, descending (https://stackoverflow.com/a/45266808)
data.sort(key=operator.itemgetter('created'), reverse=True)
#data.sort(key=created, reverse=True)
return {'data': data}, 200 # return data and 200 OK code
# Read config
config = read_config()
log_folder = config['Settings']['log_folder']
# Load logs first (just to check for errors before page loads)
#data = read_logs(log_folder)
# Start subprocess to watch KISS connection
import subprocess
subprocess.Popen(["python3","kiss_and_db.py"])
api.add_resource(Packets, '/packets') # and '/locations' is our entry point for Locations
if __name__ == '__main__':
api_app.run(debug=True, host='0.0.0.0', port=5001) # run our Flask app