paperone/paperone.py
Giulio De Pasquale 52363eb4f4 mbleh
2025-10-11 11:59:05 +01:00

165 lines
4.1 KiB
Python
Executable File

#!/usr/bin/env python
import requests
import math
from sys import exit
from datetime import datetime
from dotenv import load_dotenv
from typing import NoReturn
from os import environ
from enum import Enum
from dataclasses import dataclass
load_dotenv()
@dataclass(frozen=True)
class Indicator:
endpoint: str
class IndicatorEnum(Enum):
RSI = Indicator("rsi")
class Interval(Enum):
OneMinute = 60
FiveMinutes = 300
FifteenMinutes = 900
ThirtyMinutes = 1800
OneHour = 3600
TwoHours = 7200
FourHours = 14400
TwelveHours = 43200
OneDay = 86400
OneWeek = 604800
class TaapiClient:
def __init__(self, api_key: str) -> None:
self._api_key: str = api_key
self._base_url: str = "https://api.taapi.io"
self._session: requests.Session = requests.Session()
def __build_indicator_url(self, indicator: Indicator) -> str:
return f"{self._base_url}/{indicator.endpoint}"
def query_indicator(
self,
ticker: str,
indicator: Indicator,
target_date: datetime,
interval: str = "1d",
results: int = 14,
) -> requests.Response:
backtrack_candles: int = self._candles_to_target_date(target_date, interval)
target_url: str = self.__build_indicator_url(indicator)
params: dict[str, str | int | bool] = {
"secret": self._api_key,
"symbol": ticker,
"interval": interval,
"type": "stocks",
"gaps": "false",
"addResultTimestamp": "true",
"backtrack": backtrack_candles,
"results": str(results),
}
response: requests.Response = self._session.get(target_url, params=params)
return response
@staticmethod
def _candles_to_target_date(
target_date: datetime,
interval: str = "1h",
current_time: datetime | None = None,
) -> int:
if current_time is None:
current_time = datetime.now()
# Calculate time difference
time_diff: datetime = current_time - target_date
time_diff_seconds: float = time_diff.total_seconds()
# Parse interval to get candle duration in seconds
interval_map: dict[str, int] = {
"1m": 60,
"5m": 300,
"15m": 900,
"30m": 1800,
"1h": 3600,
"2h": 7200,
"4h": 14400,
"12h": 43200,
"1d": 86400,
"1w": 604800,
}
candle_duration_seconds: int = interval_map[interval]
# Calculate number of candles (round up)
num_candles: int = math.ceil(time_diff_seconds / candle_duration_seconds)
return num_candles
def close(self) -> None:
self._session.close()
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb) -> None:
self.close()
def is_trading_day(date: datetime) -> bool:
return date.weekday() not in [5, 6]
def parse_date_yyyymmdd(date_str: str) -> datetime:
return datetime.strptime(date_str, "%Y%m%d")
def format_date_readable(date: datetime) -> str:
return date.strftime("%B %d, %Y")
def main() -> NoReturn:
api_key = environ.get("API_KEY")
if not api_key:
print("API_KEY not set")
exit(0)
date = parse_date_yyyymmdd("20250821")
indicator: Indicator = IndicatorEnum.RSI.value
ticker = "AAPL"
with TaapiClient(api_key) as client:
response = client.query_indicator(ticker, indicator, date)
if response.status_code == 200:
data: dict[str, list[float] | list[int]] = response.json()
print(f"{indicator} values for {ticker} on {format_date_readable(date)}:")
for rsi_val, ts in zip(data["value"], data["timestamp"]):
dt: datetime = datetime.fromtimestamp(ts)
if not is_trading_day(dt):
continue
print(f"{dt.strftime('%Y-%m-%d %H:%M:%S')} | RSI: {rsi_val:.2f}")
else:
print(f"Error: {response.status_code}")
print(response.text)
exit(0)
if __name__ == "__main__":
main()