Create creds.py

creds.py

@@ -0,0 +1,15 @@
+import json
+import tempfile
+
+# process of getting credentials
+def get_credentials():
+    creds_json_str = os.getenv("creds") # get json credentials stored as a string
+    if creds_json_str is None:
+        raise ValueError("GOOGLE_APPLICATION_CREDENTIALS_JSON not found in environment")
+
+    # create a temporary file
+    with tempfile.NamedTemporaryFile(mode="w+", delete=False, suffix=".json") as temp:
+        temp.write(creds_json_str) # write in json format
+        temp_filename = temp.name 
+
+    return temp_filename