jorisvandenbossche commented on a change in pull request #11721:
URL: https://github.com/apache/arrow/pull/11721#discussion_r751073619
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File path: python/pyarrow/compute.py
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@@ -180,12 +180,22 @@ def _handle_options(name, option_class, options, kwargs):
return options
-def _make_generic_wrapper(func_name, func, option_class):
+def _make_generic_wrapper(func_name, func, option_class, arity):
if option_class is None:
def wrapper(*args, memory_pool=None):
+ if arity is not None and len(args) != arity:
+ raise TypeError(
+ "{} takes {} positional argument(s), but {} were "
+ "given".format(func_name, arity, len(args))
Review comment:
Ah, I actually wrote them first that way and then converted to this
thinking we can't use it yet .. Will convert back :)
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