Update app.py

app.py

@@ -3,6 +3,7 @@ import pandas as pd
 import requests
 from typing import List, Dict, Any
 import os
+import time  # For rate limiting
 
 # TMDB API Configuration (Environment Variables)
 TMDB_API_KEY = os.environ.get("TMDB_API_KEY", "YOUR_API_KEY")
@@ -10,14 +11,36 @@ TMDB_API_TOKEN = os.environ.get("TMDB_API_TOKEN", "YOUR_API_TOKEN")
 TMDB_BASE_URL = "https://api.themoviedb.org/3"
 TMDB_IMAGE_BASE_URL = "https://image.tmdb.org/t/p/w500"
 
+def make_api_request(url, headers, params=None, max_retries=3, delay=2):
+    """Makes a request to the TMDb API with retries and rate limiting."""
+    retries = 0
+    while retries < max_retries:
+        try:
+            response = requests.get(url, headers=headers, params=params)
+            response.raise_for_status()  # Raise an exception for HTTP errors
+            return response
+        except requests.exceptions.RequestException as e:
+            print(f"API request failed: {e}")
+            retries += 1
+            if retries < max_retries:
+                print(f"Retrying in {delay} seconds...")
+                time.sleep(delay)
+    return None
+
 def fetch_genres() -> List[Dict[str, Any]]:
     """Fetch movie genres from TMDB"""
     headers = {
         "Authorization": f"Bearer {TMDB_API_TOKEN}",
         "accept": "application/json"
     }
-    response = requests.get(f"{TMDB_BASE_URL}/genre/movie/list", headers=headers)
-    return response.json()["genres"]
+    response = make_api_request(f"{TMDB_BASE_URL}/genre/movie/list", headers=headers)
+    if response:
+        try:
+            return response.json()["genres"]  # Handle potential errors
+        except KeyError:
+            print("Error: 'genres' key not found in the TMDb response.")
+            return []
+    return []
 
 def fetch_movies_by_genre(genre_id: str = None) -> pd.DataFrame:
     """Fetch movies from TMDB, optionally filtered by genre"""
@@ -37,9 +60,12 @@ def fetch_movies_by_genre(genre_id: str = None) -> pd.DataFrame:
     if genre_id and genre_id != "All":
         params["with_genres"] = genre_id
     
-    response = requests.get(f"{TMDB_BASE_URL}/discover/movie", headers=headers, params=params)
-    movies = response.json()["results"]
-    
+    response = make_api_request(f"{TMDB_BASE_URL}/discover/movie", headers=headers, params=params)
+    if response:
+        movies = response.json()["results"]
+    else:
+        movies = []
+
     # Convert to DataFrame
     movie_data = {
         "title": [],
@@ -67,12 +93,16 @@ def get_movie_trailer(movie_id: int) -> str:
         "accept": "application/json"
     }
     
-    response = requests.get(
+    response = make_api_request(
         f"{TMDB_BASE_URL}/movie/{movie_id}/videos",
         headers=headers
     )
     
-    videos = response.json().get("results", [])
+    if response:
+        videos = response.json().get("results", [])
+    else:
+        videos = []
+
     trailer = next(
         (v for v in videos if v["type"] == "Trailer" and v["site"] == "YouTube"),
         None