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bpo-33517: dataclasses: Add the field type to Field repr (GH-6858)

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Eric V. Smith 2018-05-15 08:36:21 -04:00 • committed by GitHub
parent 540162260c
commit 01abc6ec3a
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1 changed files with 10 additions and 4 deletions
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14
Lib/dataclasses.py
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@ -166,9 +166,14 @@ class _MISSING_TYPE:
_EMPTY_METADATA = types.MappingProxyType({}) _EMPTY_METADATA = types.MappingProxyType({})
# Markers for the various kinds of fields and pseudo-fields. # Markers for the various kinds of fields and pseudo-fields.
_FIELD = object() # An actual field. class _FIELD_BASE:
_FIELD_CLASSVAR = object() # Not a field, but a ClassVar. def __init__(self, name):
_FIELD_INITVAR = object() # Not a field, but an InitVar. self.name = name
def __repr__(self):
return self.name
_FIELD = _FIELD_BASE('_FIELD')
_FIELD_CLASSVAR = _FIELD_BASE('_FIELD_CLASSVAR')
_FIELD_INITVAR = _FIELD_BASE('_FIELD_INITVAR')
# The name of an attribute on the class where we store the Field # The name of an attribute on the class where we store the Field
# objects. Also used to check if a class is a Data Class. # objects. Also used to check if a class is a Data Class.
@ -237,7 +242,8 @@ def __repr__(self):
f'repr={self.repr!r},' f'repr={self.repr!r},'
f'hash={self.hash!r},' f'hash={self.hash!r},'
f'compare={self.compare!r},' f'compare={self.compare!r},'
f'metadata={self.metadata!r}' f'metadata={self.metadata!r},'
f'_field_type={self._field_type}'
')') ')')
# This is used to support the PEP 487 __set_name__ protocol in the # This is used to support the PEP 487 __set_name__ protocol in the