def convert(self, model, field, field_args):
kwargs = {
'label': field.verbose_name,
'validators': [],
'filters': [],
'default': field.default,
'description': field.help_text
}
if field_args:
kwargs.update(field_args)
if kwargs['validators']:
# Create a copy of the list since we will be modifying it.
kwargs['validators'] = list(kwargs['validators'])
if field.null:
# Treat empty string as None when converting.
kwargs['filters'].append(handle_null_filter)
if (field.null or (field.default is not None)) and not field.choices:
# If the field can be empty, or has a default value, do not require
# it when submitting a form.
kwargs['validators'].append(validators.Optional())
else:
if isinstance(field, self.required):
kwargs['validators'].append(validators.Required())
if field.name in self.overrides:
return FieldInfo(field.name, self.overrides[field.name](**kwargs))
for converter in self.converters:
if isinstance(field, converter):
return self.converters[converter](model, field, **kwargs)
else:
for converter in self.defaults:
if isinstance(field, converter):
if issubclass(self.defaults[converter], f.FormField):
# FormField fields (i.e. for nested forms) do not support
# filters.
kwargs.pop('filters')
if field.choices or 'choices' in kwargs:
choices = kwargs.pop('choices', field.choices)
if converter in self.coerce_settings or 'coerce' in kwargs:
coerce_fn = kwargs.pop(
'coerce', self.coerce_settings[converter])
allow_blank = kwargs.pop('allow_blank', field.null)
kwargs.update({
'choices': choices,
'coerce': coerce_fn,
'allow_blank': allow_blank
})
return FieldInfo(field.name,
SelectChoicesField(**kwargs))
return FieldInfo(field.name,
self.defaults[converter](**kwargs))
raise AttributeError("There is not possible conversion "
"for '%s'" % type(field))
def convert(self, model, field, field_args):
kwargs = dict(
label=field.verbose_name,
validators=[],
filters=[],
default=field.default,
description=field.help_text,
)
if field_args:
kwargs.update(field_args)
if field.null:
kwargs['filters'].append(handle_null_filter)
elif field.default is not None:
kwargs['validators'].append(validators.Optional())
else:
if isinstance(field, self.required):
kwargs['validators'].append(validators.Required())
field_class = type(field)
if field_class in self.converters:
return self.converters[field_class](model, field, **kwargs)
elif field_class in self.defaults:
if field.choices or 'choices' in kwargs:
choices = kwargs.pop('choices', field.choices)
if field_class in self.coerce_settings or 'coerce' in kwargs:
coerce_fn = kwargs.pop('coerce',
self.coerce_settings[field_class])
allow_blank = kwargs.pop('allow_blank', field.null)
kwargs.update(
dict(choices=choices,
coerce=coerce_fn,
allow_blank=allow_blank))
return field.name, SelectChoicesField(**kwargs)
return field.name, self.defaults[field_class](**kwargs)
def convert(self, model, field, field_args):
kwargs = {
'label': field.verbose_name,
'validators': [],
'filters': [],
'default': field.default,
'description': field.help_text
}
if field_args:
kwargs.update(field_args)
if kwargs['validators']:
# Create a copy of the list since we will be modifying it.
kwargs['validators'] = list(kwargs['validators'])
if field.null:
# Treat empty string as None when converting.
kwargs['filters'].append(handle_null_filter)
if (field.null or (field.default is not None)) or (
field.choices and any(not (v) for v, _ in field.choices)):
# We allow the field to be optional if:
# 1. the field is null=True and can be blank.
# 2. the field has a default value.
kwargs['validators'].append(validators.Optional())
else:
kwargs['validators'].append(ValueRequired())
if field.name in self.overrides:
return FieldInfo(field.name, self.overrides[field.name](**kwargs))
# Allow custom-defined Peewee field classes to define their own conversion,
# making it so that code which calls model_form() doesn't have to have special
# cases, especially when called for the same peewee.Model from multiple places, or
# when called in a generic context which the end-developer has less control over,
# such as via flask-admin.
if hasattr(field, 'wtf_field'):
return FieldInfo(field.name, field.wtf_field(model, **kwargs))
for converter in self.converters:
if isinstance(field, converter):
return self.converters[converter](model, field, **kwargs)
else:
for converter in self.defaults:
if not isinstance(field, converter):
# Early-continue because it simplifies reading the following code.
continue
if issubclass(self.defaults[converter], f.FormField):
# FormField fields (i.e. for nested forms) do not support
# filters.
kwargs.pop('filters')
if field.choices or 'choices' in kwargs:
choices = kwargs.pop('choices', field.choices)
if converter in self.coerce_settings or 'coerce' in kwargs:
coerce_fn = kwargs.pop('coerce',
self.coerce_settings[converter])
allow_blank = kwargs.pop('allow_blank', field.null)
kwargs.update({
'choices': choices,
'coerce': coerce_fn,
'allow_blank': allow_blank
})
return FieldInfo(field.name,
SelectChoicesField(**kwargs))
return FieldInfo(field.name,
self.defaults[converter](**kwargs))
raise AttributeError("There is not possible conversion "
"for '%s'" % type(field))