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Avoid making a new module for this function

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This commit is contained in:
Ryan Hiebert 2015-11-18 08:19:27 -06:00
parent dca2de3a5c
commit 389b48e394
2 changed files with 11 additions and 9 deletions
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13
rest_framework/relations.py
View File

@ -18,7 +18,16 @@ from rest_framework.fields import (
Field, empty, get_attribute, is_simple_callable, iter_options
)
from rest_framework.reverse import reverse
from rest_framework.utils import html, overridden
from rest_framework.utils import html
def method_overridden(method_name, klass, instance):
"""
Determine if a method has been overridden.
"""
method = getattr(klass, method_name)
default_method = getattr(method, '__func__', method) # Python 3 compat
return default_method is not getattr(instance, method_name).__func__
class Hyperlink(six.text_type):
@ -63,7 +72,7 @@ class RelatedField(Field):
self.html_cutoff = kwargs.pop('html_cutoff', self.html_cutoff)
self.html_cutoff_text = kwargs.pop('html_cutoff_text', self.html_cutoff_text)
if not overridden.method_overridden('get_queryset', RelatedField, self):
if not method_overridden('get_queryset', RelatedField, self):
assert self.queryset is not None or kwargs.get('read_only', None), (
'Relational field must provide a `queryset` argument, '
'or set read_only=`True`.'

7
rest_framework/utils/overridden.py
View File

@ -1,7 +0,0 @@
def method_overridden(method_name, klass, instance):
"""
Determine if a method has been overridden.
"""
method = getattr(klass, method_name)
default_method = getattr(method, '__func__', method) # Python 3 compat
return default_method is not getattr(instance, method_name).__func__