Avoid an unnecessary computation of the length of data for non-stream…

… requests (which determines content-length based upon body content).
psf · Jun 16, 2020 · 71a05cf · 71a05cf
1 parent 737dd0c
commit 71a05cf
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/requests/models.py b/requests/models.py
@@ -473,12 +473,12 @@ def prepare_body(self, data, files, json=None):
             not isinstance(data, (basestring, list, tuple, Mapping))
         ])
 
-        try:
-            length = super_len(data)
-        except (TypeError, AttributeError, UnsupportedOperation):
-            length = None
-
         if is_stream:
+            try:
+                length = super_len(data)
+            except (TypeError, AttributeError, UnsupportedOperation):
+                length = None
+
             body = data
 
             if getattr(body, 'tell', None) is not None: