make cache time global variable

app.py

@@ -11,14 +11,14 @@ import os
 os.environ["HF_HUB_ENABLE_HF_TRANSFER"] = "1"
 is_macos = platform.system() == "Darwin"
 LIMIT = None
+CACHE_TIME = 60 * 5
 
-
-@cached(cache=TTLCache(maxsize=100, ttl=60 * 30))
+@cached(cache=TTLCache(maxsize=100, ttl=CACHE_TIME))
 def get_models():
     return list(iter(list_models(full=True, limit=LIMIT)))
 
 
-@cached(cache=TTLCache(maxsize=100, ttl=60 * 30))
+@cached(cache=TTLCache(maxsize=100, ttl=CACHE_TIME))
 def get_datasets():
     return list(iter(list_datasets(full=True, limit=LIMIT)))
 
@@ -42,7 +42,7 @@ def extract_arxiv_id(input_string: str) -> str:
     return match[1] if match else None
 
 
-@cached(cache=TTLCache(maxsize=100, ttl=60 * 30))
+@cached(cache=TTLCache(maxsize=100, ttl=CACHE_TIME))
 def create_model_to_arxiv_id_dict():
     models = get_models()
     model_to_arxiv_id = {}
@@ -56,7 +56,7 @@ def create_model_to_arxiv_id_dict():
     return model_to_arxiv_id
 
 
-@cached(cache=TTLCache(maxsize=100, ttl=60 * 30))
+@cached(cache=TTLCache(maxsize=100, ttl=CACHE_TIME))
 def create_dataset_to_arxiv_id_dict():
     datasets = get_datasets()
     dataset_to_arxiv_id = {}