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| author | Eric V. Smith <ericvsmith@users.noreply.github.com> | 2018-06-07 18:43:59 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-06-07 18:43:59 (GMT) |
| commit | e7adf2ba41832404100313f9ac9d9f7fabedc1fd (patch) | |
| tree | c074a386410628e15dc7ea0b9db06e2cd68b1fbc /Lib/dataclasses.py | |
| parent | 34b734699b19d826f861b604dd77e82beed95f17 (diff) | |
| download | cpython-e7adf2ba41832404100313f9ac9d9f7fabedc1fd.zip cpython-e7adf2ba41832404100313f9ac9d9f7fabedc1fd.tar.gz cpython-e7adf2ba41832404100313f9ac9d9f7fabedc1fd.tar.bz2 | |
bpo-33796: Ignore ClassVar for dataclasses.replace(). (GH-7488)
Diffstat (limited to 'Lib/dataclasses.py')
| -rw-r--r-- | Lib/dataclasses.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py index 2c5593b..96bf6e1 100644 --- a/Lib/dataclasses.py +++ b/Lib/dataclasses.py @@ -416,7 +416,7 @@ def _field_init(f, frozen, globals, self_name): # Only test this now, so that we can create variables for the # default. However, return None to signify that we're not going # to actually do the assignment statement for InitVars. - if f._field_type == _FIELD_INITVAR: + if f._field_type is _FIELD_INITVAR: return None # Now, actually generate the field assignment. @@ -1160,6 +1160,10 @@ def replace(obj, **changes): # If a field is not in 'changes', read its value from the provided obj. for f in getattr(obj, _FIELDS).values(): + # Only consider normal fields or InitVars. + if f._field_type is _FIELD_CLASSVAR: + continue + if not f.init: # Error if this field is specified in changes. if f.name in changes: |