Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/11663#discussion_r57189492
--- Diff: python/pyspark/ml/param/__init__.py ---
@@ -65,6 +80,144 @@ def __eq__(self, other):
return False
+class TypeConverters(object):
+ """
+ .. note:: DeveloperApi
+
+ Factory methods for common type conversion functions for
`Param.typeConverter`.
+
+ .. versionadded:: 2.0.0
+ """
+
+ @staticmethod
+ def _is_numeric(value):
+ vtype = type(value)
+ return vtype in [int, float, np.float64, np.int64] or
vtype.__name__ == 'long'
+
+ @staticmethod
+ def _is_integer(value):
+ return TypeConverters._is_numeric(value) and
float(value).is_integer()
+
+ @staticmethod
+ def _can_convert_to_list(value):
+ vtype = type(value)
+ return vtype in [list, np.ndarray, tuple, xrange, array.array] or
isinstance(value, Vector)
+
+ @staticmethod
+ def _can_convert_to_string(value):
--- End diff --
I changed the string conversions to handle unicode.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
