enable smart_run to operate without docstrings (#406)

piskvorky · Jan 8, 2020 · acd4581 · acd4581
1 parent 52d300f
commit acd4581
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/smart_open/doctools.py b/smart_open/doctools.py
@@ -63,6 +63,9 @@ def extract_kwargs(docstring):
     ('bar', 'str, optional', ['This parameter is the bar.'])
 
     """
+    if not docstring:
+        return []
+
     lines = inspect.cleandoc(docstring).split('\n')
     retval = []
 

diff --git a/smart_open/smart_open_lib.py b/smart_open/smart_open_lib.py
@@ -363,7 +363,10 @@ def open(
     return decoded
 
 
-open.__doc__ = open.__doc__ % {
+#
+# The docstring can be None if -OO was passed to the interpreter.
+#
+open.__doc__ = None if open.__doc__ is None else open.__doc__ % {
     's3': doctools.to_docstring(
         doctools.extract_kwargs(smart_open_s3.open.__doc__),
         lpad=u'    ',