pandas.api.extensions.ExtensionDtype.construct_from_string¶
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classmethod
ExtensionDtype.
construct_from_string
(string)[source]¶ Attempt to construct this type from a string.
Parameters: - string : str
Returns: - self : instance of ‘cls’
Raises: TypeError
If a class cannot be constructed from this ‘string’.
Examples
If the extension dtype can be constructed without any arguments, the following may be an adequate implementation.
>>> @classmethod ... def construct_from_string(cls, string) ... if string == cls.name: ... return cls() ... else: ... raise TypeError("Cannot construct a '{}' from " ... "'{}'".format(cls, string))