本文整理汇总了Python中django.core.validators.MaxLengthValidator方法的典型用法代码示例。如果您正苦于以下问题:Python validators.MaxLengthValidator方法的具体用法?Python validators.MaxLengthValidator怎么用?Python validators.MaxLengthValidator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django.core.validators
的用法示例。
在下文中一共展示了validators.MaxLengthValidator方法的14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: get_form
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def get_form(self, request, obj=None, change=False, **kwargs):
"""
Add a max length validator based on what is configured in settings for the
current placeholder.
"""
form = super().get_form(request, obj=obj, change=change, **kwargs)
placeholder_id = request.GET.get("placeholder_id")
if not placeholder_id and not obj:
return form
if placeholder_id:
placeholder = Placeholder.objects.only("slot").get(id=placeholder_id)
else:
placeholder = obj.placeholder
max_length = getattr(settings, "RICHIE_PLAINTEXT_MAXLENGTH", {}).get(
placeholder.slot
)
if max_length:
form.base_fields["body"].validators.append(MaxLengthValidator(max_length))
return form
示例2: validate_tag_embed_fields
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def validate_tag_embed_fields(fields: dict) -> None:
"""Raises a ValidationError if any of the given embed fields is invalid."""
field_validators = {
'name': (MaxLengthValidator(limit_value=256),),
'value': (MaxLengthValidator(limit_value=1024),),
'inline': (is_bool_validator,),
}
required_fields = ('name', 'value')
for field in fields:
if not isinstance(field, Mapping):
raise ValidationError("Embed fields must be a mapping.")
if not all(required_field in field for required_field in required_fields):
raise ValidationError(
f"Embed fields must contain the following fields: {', '.join(required_fields)}."
)
for field_name, value in field.items():
if field_name not in field_validators:
raise ValidationError(f"Unknown embed field field: {field_name!r}.")
for validator in field_validators[field_name]:
validator(value)
示例3: validate_tag_embed_footer
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def validate_tag_embed_footer(footer: Dict[str, str]) -> None:
"""Raises a ValidationError if the given footer is invalid."""
field_validators = {
'text': (
MinLengthValidator(
limit_value=1,
message="Footer text must not be empty."
),
MaxLengthValidator(limit_value=2048)
),
'icon_url': (),
'proxy_icon_url': ()
}
if not isinstance(footer, Mapping):
raise ValidationError("Embed footer must be a mapping.")
for field_name, value in footer.items():
if field_name not in field_validators:
raise ValidationError(f"Unknown embed footer field: {field_name!r}.")
for validator in field_validators[field_name]:
validator(value)
示例4: validate_tag_embed_author
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def validate_tag_embed_author(author: Any) -> None:
"""Raises a ValidationError if the given author is invalid."""
field_validators = {
'name': (
MinLengthValidator(
limit_value=1,
message="Embed author name must not be empty."
),
MaxLengthValidator(limit_value=256)
),
'url': (),
'icon_url': (),
'proxy_icon_url': ()
}
if not isinstance(author, Mapping):
raise ValidationError("Embed author must be a mapping.")
for field_name, value in author.items():
if field_name not in field_validators:
raise ValidationError(f"Unknown embed author field: {field_name!r}.")
for validator in field_validators[field_name]:
validator(value)
示例5: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, *args, **kwargs):
try:
self.model_field = kwargs.pop('model_field')
except KeyError:
raise ValueError("ModelField requires 'model_field' kwarg")
self.min_length = kwargs.pop('min_length',
getattr(self.model_field, 'min_length', None))
self.max_length = kwargs.pop('max_length',
getattr(self.model_field, 'max_length', None))
self.min_value = kwargs.pop('min_value',
getattr(self.model_field, 'min_value', None))
self.max_value = kwargs.pop('max_value',
getattr(self.model_field, 'max_value', None))
super(ModelField, self).__init__(*args, **kwargs)
if self.min_length is not None:
self.validators.append(validators.MinLengthValidator(self.min_length))
if self.max_length is not None:
self.validators.append(validators.MaxLengthValidator(self.max_length))
if self.min_value is not None:
self.validators.append(validators.MinValueValidator(self.min_value))
if self.max_value is not None:
self.validators.append(validators.MaxValueValidator(self.max_value))
示例6: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, max_length=None, min_length=None, *args, **kwargs):
self.max_length, self.min_length = max_length, min_length
super(CharField, self).__init__(*args, **kwargs)
if min_length is not None:
self.validators.append(validators.MinLengthValidator(int(min_length)))
if max_length is not None:
self.validators.append(validators.MaxLengthValidator(int(max_length)))
示例7: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, *args, **kwargs):
super(CharField, self).__init__(*args, **kwargs)
self.validators.append(validators.MaxLengthValidator(self.max_length))
示例8: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, *, max_length=None, min_length=None, strip=True, empty_value='', **kwargs):
self.max_length = max_length
self.min_length = min_length
self.strip = strip
self.empty_value = empty_value
super().__init__(**kwargs)
if min_length is not None:
self.validators.append(validators.MinLengthValidator(int(min_length)))
if max_length is not None:
self.validators.append(validators.MaxLengthValidator(int(max_length)))
self.validators.append(validators.ProhibitNullCharactersValidator())
示例9: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.validators.append(validators.MaxLengthValidator(self.max_length))
示例10: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, max_length=None, min_length=None, strip=True, empty_value='', *args, **kwargs):
self.max_length = max_length
self.min_length = min_length
self.strip = strip
self.empty_value = empty_value
super(CharField, self).__init__(*args, **kwargs)
if min_length is not None:
self.validators.append(validators.MinLengthValidator(int(min_length)))
if max_length is not None:
self.validators.append(validators.MaxLengthValidator(int(max_length)))
示例11: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, max_length=None, min_length=None, *args, **kwargs):
self.max_length, self.min_length = max_length, min_length
super(CharField, self).__init__(*args, **kwargs)
if min_length is not None:
self.validators.append(validators.MinLengthValidator(min_length))
if max_length is not None:
self.validators.append(validators.MaxLengthValidator(max_length))
示例12: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, max_length=None, min_length=None, strip=True, *args, **kwargs):
self.max_length = max_length
self.min_length = min_length
self.strip = strip
super(CharField, self).__init__(*args, **kwargs)
if min_length is not None:
self.validators.append(validators.MinLengthValidator(int(min_length)))
if max_length is not None:
self.validators.append(validators.MaxLengthValidator(int(max_length)))
示例13: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, *args, **kwargs):
self.organization = kwargs.pop('organization', None)
super(PartClassForm, self).__init__(*args, **kwargs)
self.fields['code'].required = False
self.fields['name'].required = False
self.fields['code'].validators.extend([MaxLengthValidator(self.organization.number_class_code_len), MinLengthValidator(self.organization.number_class_code_len)])
示例14: __init__
# 需要导入模块: from django.core import validators [as 别名]
# 或者: from django.core.validators import MaxLengthValidator [as 别名]
def __init__(self, enum_class: Type[Enum], choice_builder=value_value, **kwargs):
if not issubclass(enum_class, Enum):
raise EnumChoiceFieldException(
_('`enum_class` argument must be a child of `Enum`')
)
self.enum_class = enum_class
self.choice_builder = self._get_choice_builder(choice_builder)
# Saving original for proper deconstruction
self._original_choice_builder = choice_builder
built_choices = self.build_choices()
# `choices` is passed to `__init__` when migrations are generated
# `choices` should not be passed when normally initializing the field
self._passed_choices = kwargs.get(
'choices',
built_choices
) # Saved for deconstruction
kwargs['choices'] = built_choices
calculated_max_length = self._calculate_max_length(**kwargs)
kwargs.setdefault('max_length', calculated_max_length)
super().__init__(**kwargs)
# Removing `MaxLengthValidator` instances and adding
# an `EnumValueMaxLengthValidator` instance
self.validators = [
validator for validator in self.validators
if not isinstance(validator, MaxLengthValidator)
]
self.validators.append(
EnumValueMaxLengthValidator(
value_builder=self.get_prep_value,
limit_value=kwargs['max_length']
)
)