Removing the old code
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main.py
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main.py
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#!/usr/bin/env python3
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import datetime
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from genericpath import isfile
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import json
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import os
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import requests
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import calendar
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from flask import Flask
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from flask import jsonify
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url_energy = "https://www.ote-cr.cz/cs/kratkodobe-trhy/elektrina/denni-trh/@@chart-data?report_date={}"
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url_currency = "https://data.kurzy.cz/json/meny/b[1].json"
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url_currency2 = "https://www.cnb.cz/cs/financni-trhy/devizovy-trh/kurzy-devizoveho-trhu/kurzy-devizoveho-trhu/denni_kurz.txt?date={day}.{month}.{year}"
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CACHE_PATH = "./cache.json"
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ENERGY_CACHE_PATH = "./cache-energy.json"
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NO_CACHE = False
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SELL_FEE = 0.45
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BUY_FEE = 0.45
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VAT=1.21
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class PriceException(Exception):
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pass
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def get_distribution_price():
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cez_57d_vt = 0.64862
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cez_57d_nt = 0.43809
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tax = 0.0283
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services = 0.21282
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ote = 0 # this is 4 crown per month
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oze = 0.495
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additional = tax+services+ote+oze
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return {
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"high": cez_57d_vt+additional,
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"low": cez_57d_nt+additional,
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}
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def get_breaker_payment():
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# https://www.tzb-info.cz/ceny-paliv-a-energii/14-ceny-elektriny#D57d
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cez_32a = 500
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currentDate = datetime.date.today()
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daysInMonth = calendar.monthrange(currentDate.year, currentDate.month)[1]
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return cez_32a/daysInMonth/24
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def get_current_energy_price(date_str, selected_hour):
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selected_hour = str(selected_hour)
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data = {
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"date": "",
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"hours": {},
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}
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try:
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if os.path.isfile(ENERGY_CACHE_PATH) and not NO_CACHE:
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with open(ENERGY_CACHE_PATH, "r") as f:
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data = json.load(f)
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except json.decoder.JSONDecodeError:
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cache = {}
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if data["date"] == date_str:
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return data["hours"][selected_hour]
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r = requests.get(url_energy.format(date_str))
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print(r.text)
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for hour in r.json()["data"]["dataLine"][1]["point"]:
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data["hours"][str(int(hour["x"])-1)] = hour["y"]
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data["date"] = date_str
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with open(ENERGY_CACHE_PATH, "w") as f:
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json.dump(data, f)
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return data["hours"][selected_hour]
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#def get_currency_ratio(currency):
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# r = requests.get(url_currency)
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# return r.json()["kurzy"][currency]["dev_stred"]
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def get_currency_ratio(currency):
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now = datetime.date.today()
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url = url_currency2.format(day=now.day,month=now.month,year=now.year)
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r = requests.get(url)
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for row in [x.split("|") for x in r.text.split("\n") if x and "|" in x]:
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if row[3] == "EUR":
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return float(row[4].replace(",", "."))
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raise PriceException("EUR not found")
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def hour_result():
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current_hour = datetime.datetime.now().hour
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today = datetime.date.today().strftime("%Y-%m-%d")
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cache = {}
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try:
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if os.path.isfile(CACHE_PATH) and not NO_CACHE:
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with open(CACHE_PATH, "r") as f:
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cache = json.load(f)
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except json.decoder.JSONDecodeError:
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cache = {}
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if cache.get("date") == today and cache.get("hour") == current_hour:
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cache["cached"] = True
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return cache
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energy_price = get_current_energy_price(today, current_hour)
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eur2czk = get_currency_ratio("EUR")
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breaker = get_breaker_payment()
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distribution = get_distribution_price()
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data = {
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"date": datetime.date.today().strftime("%Y-%m-%d"),
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"hour": datetime.datetime.now().hour,
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"breaker": "32A",
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"tariff": "57d",
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"price": {
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"distribution": distribution,
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"market": energy_price/1000*eur2czk,
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"market_vat": energy_price/1000*eur2czk*VAT,
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"marker_sell": energy_price/1000*eur2czk-SELL_FEE, # Typo
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"market_sell": energy_price/1000*eur2czk-SELL_FEE,
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"breaker": breaker,
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"breaker_vat": breaker*VAT,
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"sell_fee": SELL_FEE,
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"buy_fee": BUY_FEE,
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"total": {
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"high": energy_price/1000*eur2czk+breaker+distribution["high"]+BUY_FEE,
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"low": energy_price/1000*eur2czk+breaker+distribution["low"]+BUY_FEE,
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},
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"total_no_breaker": {
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"high": energy_price/1000*eur2czk+distribution["high"]+BUY_FEE,
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"low": energy_price/1000*eur2czk+distribution["low"]+BUY_FEE,
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},
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"total_vat": {
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"high": (energy_price/1000*eur2czk+breaker+distribution["high"]+BUY_FEE)*VAT,
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"low": (energy_price/1000*eur2czk+breaker+distribution["low"]+BUY_FEE)*VAT,
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},
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"total_no_breaker_vat": {
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"high": (energy_price/1000*eur2czk+distribution["high"]+BUY_FEE)*VAT,
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"low": (energy_price/1000*eur2czk+distribution["low"]+BUY_FEE)*VAT,
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},
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},
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"cached": False,
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}
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with open(CACHE_PATH, "w") as f:
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json.dump(data, f)
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return data
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app = Flask(__name__)
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@app.route("/")
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def result():
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return jsonify(hour_result())
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if __name__ == "__main__":
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app.run(debug=True)
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