manage json secret

config.py

@@ -1,4 +1,5 @@
 import os
+import json
 from dotenv import load_dotenv
 
 # Load environment variables from .env file if it exists
@@ -21,11 +22,25 @@ if missing_vars:
     BIGQUERY_KEY_PATH=path/to/your/bigquery/credentials.json
     """)
 
-# Set Google Application Credentials environment variable if provided
-if os.environ.get("BIGQUERY_KEY_PATH"):
+# Handle BigQuery credentials
+# If BIGQUERY_KEY_PATH contains the actual JSON content (as in HF Spaces secrets)
+if os.environ.get("BIGQUERY_KEY_PATH") and os.environ.get("BIGQUERY_KEY_PATH").strip().startswith("{"):
+    # Create a temporary credentials file from the environment variable
+    credentials_content = os.environ.get("BIGQUERY_KEY_PATH")
+    credentials_path = "/tmp/bigquery_credentials.json"
+    
+    with open(credentials_path, "w") as f:
+        f.write(credentials_content)
+    
+    # Set the credentials path to the temporary file
+    os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = credentials_path
+# If BIGQUERY_KEY_PATH is a file path
+elif os.environ.get("BIGQUERY_KEY_PATH") and os.path.exists(os.environ.get("BIGQUERY_KEY_PATH")):
     os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = os.environ.get("BIGQUERY_KEY_PATH")
+else:
+    print("Warning: BigQuery credentials not found or invalid")
 
 # BigQuery configuration
-BIGQUERY_KEY_PATH = "xepelin-411205-1ba8a63c9c96.json"
-PROJECT_ID = "xepelin-411205"
-DATASET_ID = "ecommerceaie5"
+BIGQUERY_KEY_PATH = os.environ.get("BIGQUERY_KEY_PATH", "xepelin-411205-1ba8a63c9c96.json")
+PROJECT_ID = os.environ.get("PROJECT_ID", "xepelin-411205")
+DATASET_ID = os.environ.get("DATASET_ID", "ecommerceaie5")