本文整理匯總了Python中rest_framework.compat.OrderedDict.keys方法的典型用法代碼示例。如果您正苦於以下問題：Python OrderedDict.keys方法的具體用法？Python OrderedDict.keys怎麽用？Python OrderedDict.keys使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類rest_framework.compat.OrderedDict的用法示例。
在下文中一共展示了OrderedDict.keys方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: BindingDict
# 需要導入模塊: from rest_framework.compat import OrderedDict [as 別名]
# 或者: from rest_framework.compat.OrderedDict import keys [as 別名]
class BindingDict(object):
"""
This dict-like object is used to store fields on a serializer.
This ensures that whenever fields are added to the serializer we call
`field.bind()` so that the `field_name` and `parent` attributes
can be set correctly.
"""
def __init__(self, serializer):
self.serializer = serializer
self.fields = OrderedDict()
def __setitem__(self, key, field):
self.fields[key] = field
field.bind(field_name=key, parent=self.serializer)
def __getitem__(self, key):
return self.fields[key]
def __delitem__(self, key):
del self.fields[key]
def items(self):
return self.fields.items()
def keys(self):
return self.fields.keys()
def values(self):
return self.fields.values()示例2: ChoiceField
# 需要導入模塊: from rest_framework.compat import OrderedDict [as 別名]
# 或者: from rest_framework.compat.OrderedDict import keys [as 別名]
class ChoiceField(Field):
default_error_messages = {
'invalid_choice': _('`{input}` is not a valid choice.')
}
def __init__(self, choices, **kwargs):
# Allow either single or paired choices style:
# choices = [1, 2, 3]
# choices = [(1, 'First'), (2, 'Second'), (3, 'Third')]
pairs = [
isinstance(item, (list, tuple)) and len(item) == 2
for item in choices
]
if all(pairs):
self.choices = OrderedDict([(key, display_value) for key, display_value in choices])
else:
self.choices = OrderedDict([(item, item) for item in choices])
# Map the string representation of choices to the underlying value.
# Allows us to deal with eg. integer choices while supporting either
# integer or string input, but still get the correct datatype out.
self.choice_strings_to_values = dict([
(six.text_type(key), key) for key in self.choices.keys()
])
super(ChoiceField, self).__init__(**kwargs)
def to_internal_value(self, data):
try:
return self.choice_strings_to_values[six.text_type(data)]
except KeyError:
self.fail('invalid_choice', input=data)
def to_representation(self, value):
return self.choice_strings_to_values[six.text_type(value)]