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author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2018-05-15 06:01:51 -0700 |
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committer | GitHub <noreply@github.com> | 2018-05-15 06:01:51 -0700 |
commit | 5c7e079158db869c9ede1ac9b5b9735091d3ffb6 (patch) | |
tree | a5111f7ef1d631828d1fa04aa9e5a542caf06db9 /Lib/dataclasses.py | |
parent | 28ff86eff0f6b02e87138fb08b6028f4b19d4f04 (diff) | |
download | cpython-git-5c7e079158db869c9ede1ac9b5b9735091d3ffb6.tar.gz |
bpo-33517: dataclasses: Add the field type to Field repr (GH-6858)
(cherry picked from commit 01abc6ec3a61769c55ee86834a432fb97801d28f)
Co-authored-by: Eric V. Smith <ericvsmith@users.noreply.github.com>
Diffstat (limited to 'Lib/dataclasses.py')
-rw-r--r-- | Lib/dataclasses.py | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py index 2ce6a02dcd..0f9041604a 100644 --- a/Lib/dataclasses.py +++ b/Lib/dataclasses.py @@ -166,9 +166,14 @@ MISSING = _MISSING_TYPE() _EMPTY_METADATA = types.MappingProxyType({}) # Markers for the various kinds of fields and pseudo-fields. -_FIELD = object() # An actual field. -_FIELD_CLASSVAR = object() # Not a field, but a ClassVar. -_FIELD_INITVAR = object() # Not a field, but an InitVar. +class _FIELD_BASE: + def __init__(self, name): + 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 # objects. Also used to check if a class is a Data Class. @@ -237,7 +242,8 @@ class Field: f'repr={self.repr!r},' f'hash={self.hash!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 |