Polber commented on code in PR #30117:
URL: https://github.com/apache/beam/pull/30117#discussion_r1467987567
##########
sdks/python/apache_beam/yaml/yaml_provider.py:
##########
@@ -139,6 +139,21 @@ def as_provider_list(name, lst):
return [as_provider(name, x) for x in lst]
+def parse_callable_kwargs(spec: Optional[Mapping[str, Any]]):
+ def _parse_callable_kwargs_rec(args, top_level=False):
+ parsed_args = {}
+ for arg, val in args.items():
+ parsed_args[arg] = val
+ if isinstance(val, dict):
Review Comment:
I was just marking kwargs which would only be dicts (I would assume anyway),
but adding support for lists could make it to where a regular arg could be
marked as callable, i.e.
```
- type: PyTransform
config:
constructor: my.pkg.MyTransform
args:
- __callable__: len
- 'a'
kwargs:
key: 'foo'
fn:
__callable__: str.upper
```
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