本文整理汇总了Python中rest_framework.utils.field_mapping.ClassLookupDict方法的典型用法代码示例。如果您正苦于以下问题：Python field_mapping.ClassLookupDict方法的具体用法？Python field_mapping.ClassLookupDict怎么用？Python field_mapping.ClassLookupDict使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类rest_framework.utils.field_mapping的用法示例。
在下文中一共展示了field_mapping.ClassLookupDict方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: build_standard_field
# 需要导入模块: from rest_framework.utils import field_mapping [as 别名]
# 或者: from rest_framework.utils.field_mapping import ClassLookupDict [as 别名]
def build_standard_field(self, field_name, model_field):
field_mapping = ClassLookupDict(self.serializer_field_mapping)
field_class = field_mapping[model_field]
field_kwargs = get_field_kwargs(field_name, model_field)
if 'choices' in field_kwargs:
# Fields with choices get coerced into `ChoiceField`
# instead of using their regular typed field.
field_class = self.serializer_choice_field
# Some model fields may introduce kwargs that would not be valid
# for the choice field. We need to strip these out.
# Eg. models.DecimalField(max_digits=3, decimal_places=1, choices=DECIMAL_CHOICES)
valid_kwargs = set((
'read_only', 'write_only',
'required', 'default', 'initial', 'source',
'label', 'help_text', 'style',
'error_messages', 'validators', 'allow_null', 'allow_blank',
'choices'
))
for key in list(field_kwargs.keys()):
if key not in valid_kwargs:
field_kwargs.pop(key)
if 'regex' in field_kwargs:
field_class = drf_fields.RegexField
if not issubclass(field_class, drfm_fields.DocumentField):
# `model_field` is only valid for the fallback case of
# `ModelField`, which is used when no other typed field
# matched to the model field.
field_kwargs.pop('model_field', None)
if not issubclass(field_class, drf_fields.CharField) and not issubclass(field_class, drf_fields.ChoiceField):
# `allow_blank` is only valid for textual fields.
field_kwargs.pop('allow_blank', None)
if field_class is drf_fields.BooleanField and field_kwargs.get('allow_null', False):
field_kwargs.pop('allow_null', None)
field_kwargs.pop('default', None)
field_class = drf_fields.NullBooleanField
return field_class, field_kwargs