add some caching

app.py

@@ -1,11 +1,13 @@
 import gradio as gr
 import requests
+from cachetools import cached,TTLCache
 
+CACHE_TIME = 60*60*12 # 12 hours
 
 def parse_arxiv_id_from_paper_url(url):
     return url.split("/")[-1]
 
-
+@cached(cache=TTLCache(maxsize=500, ttl=CACHE_TIME))
 def get_recommendations_from_semantic_scholar(semantic_scholar_id: str):
     r = requests.post(
         "https://api.semanticscholar.org/recommendations/v1/papers/",
@@ -26,7 +28,7 @@ def filter_recommendations(recommendations, max_paper_count=5):
         arxiv_paper = arxiv_paper[:max_paper_count]
     return arxiv_paper
 
-
+@cached(cache=TTLCache(maxsize=500, ttl=CACHE_TIME))
 def get_paper_title_from_arxiv_id(arxiv_id):
     try:
         return requests.get(f"https://huggingface.co/api/papers/{arxiv_id}").json()[

requirements.in

@@ -1,2 +1,3 @@
+cachetools
 gradio 
 requests

requirements.txt

@@ -19,6 +19,8 @@ attrs==23.1.0
     # via
     #   jsonschema
     #   referencing
+cachetools==5.3.1
+    # via -r requirements.in
 certifi==2023.7.22
     # via
     #   httpcore