remove "requests" dependency

dataset_update.py

@@ -1,31 +1,49 @@
-import requests
-import pandas as pd
+import urllib.parse
+import urllib.request
 from datetime import datetime
 
 # Define parameters
-latitude = 21.0305
-longitude = 105.8458
+latitude, longitude = 21.04815477090267, 105.80123159165096  # lmao
 start_date = "2010-01-01"
 end_date = datetime.now().strftime("%Y-%m-%d")  # Today's date
 
-# Construct the API URL
-url = (
-    f"https://power.larc.nasa.gov/api/temporal/daily/point"
-    f"?parameters=QV2M"
-    f"&community=RE"
-    f"&longitude={longitude}"
-    f"&latitude={latitude}"
-    f"&start={start_date.replace('-', '')}"
-    f"&end={end_date.replace('-', '')}"
-    f"&format=CSV"
-)
+# Define desired parameters
+# T2M             MERRA-2 Temperature at 2 Meters (C)
+# PRECTOTCORR     MERRA-2 Precipitation Corrected (mm/day)
+# QV2M            MERRA-2 Specific Humidity at 2 Meters (g/kg)
+# RH2M            MERRA-2 Relative Humidity at 2 Meters (%)
+# PS              MERRA-2 Surface Pressure (kPa)
+# WS10M           MERRA-2 Wind Speed at 10 Meters (m/s)
+# WD10M           MERRA-2 Wind Direction at 10 Meters (Degrees)
+# more at https://power.larc.nasa.gov/data-access-viewer/
 
-# Make the API request
-response = requests.get(url)
-if response.status_code == 200:
-    # Save the CSV content to a file
-    with open("hanoi_qv2m_latest.csv", "w") as file:
-        file.write(response.text)
-    print("Data successfully downloaded and saved to 'hanoi_qv2m_latest.csv'.")
-else:
-    print(f"Failed to retrieve data: {response.status_code}")
+params = {
+    "parameters": "QV2M,T2M,PRECTOTCORR",
+    "community": "RE",
+    "longitude": longitude,
+    "latitude": latitude,
+    "start": start_date.replace("-", ""),
+    "end": end_date.replace("-", ""),
+    "format": "CSV",
+}
+
+
+# Encode parameters
+query_string = urllib.parse.urlencode(params)
+
+# Construct the full URL
+base_url = "https://power.larc.nasa.gov/api/temporal/daily/point"
+url = f"{base_url}?{query_string}"
+
+# Make the API request using urllib
+try:
+    with urllib.request.urlopen(url) as response:
+        if response.status == 200:
+            csv_data = response.read().decode("utf-8")
+            with open("hanoi_weather_data.csv", "w", encoding="utf-8") as file:
+                file.write(csv_data)
+            print("Data successfully downloaded and saved to 'hanoi_weather_data.csv'.")
+        else:
+            print(f"Failed to retrieve data: HTTP Status Code {response.status}")
+except urllib.error.URLError as e:
+    print(f"Failed to retrieve data: {e.reason}")