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Code Issues Projects Releases Packages Wiki Activity Actions 17

bpo-32279: Add additional params to make_dataclass(), pass through to dataclass(). (gh-5117)

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Eric V. Smith 2018-01-06 17:09:58 -05:00 • committed by GitHub
parent ed7d429ebb
commit d80b443f02
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3 changed files with 26 additions and 3 deletions
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10
Lib/dataclasses.py
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@ -705,7 +705,8 @@ def _astuple_inner(obj, tuple_factory):
return deepcopy(obj)
def make_dataclass(cls_name, fields, *, bases=(), namespace=None):
def make_dataclass(cls_name, fields, *, bases=(), namespace=None, init=True,
repr=True, eq=True, order=False, hash=None, frozen=False):
"""Return a new dynamically created dataclass.
The dataclass name will be 'cls_name'. 'fields' is an iterable
@ -723,6 +724,9 @@ def make_dataclass(cls_name, fields, *, bases=(), namespace=None):
b: int = field(init=False)
For the bases and namespace paremeters, see the builtin type() function.
The parameters init, repr, eq, order, hash, and frozen are passed to
dataclass().
"""
if namespace is None:
@ -745,8 +749,8 @@ def make_dataclass(cls_name, fields, *, bases=(), namespace=None):
namespace['__annotations__'] = anns
cls = type(cls_name, bases, namespace)
return dataclass(cls)
return dataclass(cls, init=init, repr=repr, eq=eq, order=order,
hash=hash, frozen=frozen)
def replace(obj, **changes):
"""Return a new object replacing specified fields with new values.