Files
PolyWeather/src/data_mining/fetch_history.py
T
2026-03-03 00:12:16 +08:00

98 lines
2.8 KiB
Python

import os
import sys
import logging
import pandas as pd
import requests
# Set up logging
logging.basicConfig(
level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s"
)
def fetch_historical_data_for_city(city_info, output_dir):
city_name = city_info["city"]
lat = city_info["latitude"]
lon = city_info["longitude"]
# We will fetch data from Jan 1, 2023 to yesterday (or to latest available)
start_date = "2023-01-01"
# For safety let's use a dynamic yesterday end_date
import datetime
today = datetime.datetime.now()
yesterday = (today - datetime.timedelta(days=2)).strftime("%Y-%m-%d")
url = (
f"https://archive-api.open-meteo.com/v1/archive?latitude={lat}&longitude={lon}"
f"&start_date={start_date}&end_date={yesterday}"
"&hourly=temperature_2m,relative_humidity_2m,wind_speed_10m,wind_direction_10m,"
"cloud_cover,shortwave_radiation,precipitation,surface_pressure"
"&timezone=auto"
)
logging.info(
f"Downloading historical data for {city_name} (Lat: {lat}, Lon: {lon})..."
)
try:
response = requests.get(url, timeout=60)
response.raise_for_status()
data = response.json()
if "hourly" not in data:
logging.error(f"Failed to find 'hourly' data for {city_name}.")
return
hourly_data = data["hourly"]
# Convert to pandas DataFrame
df = pd.DataFrame(hourly_data)
# Save to CSV
output_path = os.path.join(
output_dir, f"{city_name.replace(' ', '_').lower()}_historical.csv"
)
df.to_csv(output_path, index=False)
logging.info(
f"✅ Successfully saved historical data for {city_name} to {output_path}. Shape: {df.shape}"
)
except requests.exceptions.RequestException as e:
logging.error(f"❌ Network error while fetching data for {city_name}: {e}")
except Exception as e:
logging.error(f"❌ Error processing data for {city_name}: {e}")
def main():
project_root = os.path.dirname(
os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
)
config_path = os.path.join(project_root, "config", "config.yaml")
output_dir = os.path.join(project_root, "data", "historical")
os.makedirs(output_dir, exist_ok=True)
# Load config
try:
import yaml
with open(config_path, "r", encoding="utf-8") as f:
config = yaml.safe_load(f)
except Exception as e:
logging.error(f"Failed to load {config_path}: {e}")
sys.exit(1)
cities = config.get("cities", [])
if not cities:
logging.warning("No cities found in config.yaml")
return
for city_info in cities:
fetch_historical_data_for_city(city_info, output_dir)
if __name__ == "__main__":
main()