def __init__(self, request=None, *args, meta=None, **kwargs):
form_meta = meta_for_request(request)
form_meta.update(meta or {})
kwargs['meta'] = form_meta
self.request = request
if request is not None:
formdata = kwargs.pop('formdata', sentinel)
if formdata is sentinel:
if request.files:
formdata = ChainRequestParameters(
request.form, request.files)
else:
formdata = request.form
# signature of wtforms.Form (formdata, obj, prefix, ...)
args = chain([formdata], args)
super().__init__(*args, **kwargs)
python类Form()的实例源码
def _generateFormClasses(self, classes):
''' Loops over all ModelClasses and generates a new WTForm class. New form classes are named as [ModelClassName]Form.
Sets the new form as an attribute on MarvinForm. Also populates the _param_to_form_lookup dictonary with
all ModelClass/WTForm parameters and their corresponding forms.
e.g. _param_form_lookup['name'] = marvin.tools.query.forms.IFUDesignForm
'''
for key, val in classes.items():
classname = '{0}Form'.format(key)
try:
newclass = formClassFactory(classname, val, ModelForm)
except Exception as e:
warnings.warn('class {0} not Formable'.format(key), MarvinUserWarning)
else:
self.__setattr__(classname, newclass)
self._loadParams(newclass)
def allowed_assignment(self, request: LocalProxy, form: Form) -> bool:
"""Return if assignment is allowed, per settings.
:param request: The request context object.
:param form: form to check
"""
lst = self.setting('assignments').value
assignment = request.form['assignment']
category = request.form.get('category', None)
if ':' in lst:
datum = dict(l.split(':') for l in lst.splitlines())
lst = datum.get(category, '*')
if lst == '*':
return True
if assignment not in str2lst(lst):
prefix = 'Assignment'
if category:
prefix = 'For "%s" inquiries, assignment' % category
form.errors.setdefault('assignment', []) \
.append(
'%s "%s" is not allowed. Only the following '
'assignments are: %s' % (prefix, assignment, lst))
return False
return True
def build_file_select_form(schema):
class FileSelectForm(Form):
pass
for field_name, field_schema in schema.items():
if field_schema['type'] == 'boolean':
field = BooleanField()
elif field_schema['type'] == 'string':
if 'allowed' in field_schema:
choices = [(c, c) for c in field_schema['allowed']]
field = SelectField(choices=choices)
else:
field = StringField()
elif field_schema['type'] == 'objectid':
field = FileSelectField('file')
else:
raise ValueError('field type %s not supported' % field_schema['type'])
setattr(FileSelectForm, field_name, field)
return FileSelectForm
def __init__(self, *args, **kwargs):
warnings.warn(FlaskWTFDeprecationWarning(
'"flask_wtf.Form" has been renamed to "FlaskForm" '
'and will be removed in 1.0.'
), stacklevel=3)
super(Form, self).__init__(*args, **kwargs)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None, converter=None):
"""
Create a wtforms Form for a given Django model class::
from wtforms.ext.django.orm import model_form
from myproject.myapp.models import User
UserForm = model_form(User)
:param model:
A Django ORM model class
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments used
to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
field_dict = model_fields(model, only, exclude, field_args, converter)
return type(model._meta.object_name + 'Form', (base_class, ), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``db.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``db.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model.kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``ndb.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``ndb.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model._get_kind() + 'Form', (base_class,), field_dict)
def __init__(self, *args, **kwargs):
warnings.warn(FlaskWTFDeprecationWarning(
'"flask_wtf.Form" has been renamed to "FlaskForm" '
'and will be removed in 1.0.'
), stacklevel=3)
super(Form, self).__init__(*args, **kwargs)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``db.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``db.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model.kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``ndb.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``ndb.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model._get_kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None, converter=None):
"""
Create a wtforms Form for a given Django model class::
from wtforms.ext.django.orm import model_form
from myproject.myapp.models import User
UserForm = model_form(User)
:param model:
A Django ORM model class
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments used
to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
field_dict = model_fields(model, only, exclude, field_args, converter)
return type(model._meta.object_name + 'Form', (base_class, ), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``db.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``db.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model.kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``ndb.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``ndb.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model._get_kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None, converter=None):
"""
Create a wtforms Form for a given Django model class::
from wtforms.ext.django.orm import model_form
from myproject.myapp.models import User
UserForm = model_form(User)
:param model:
A Django ORM model class
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments used
to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
field_dict = model_fields(model, only, exclude, field_args, converter)
return type(model._meta.object_name + 'Form', (base_class, ), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``db.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``db.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model.kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``ndb.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``ndb.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model._get_kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None, converter=None):
"""
Create a wtforms Form for a given Django model class::
from wtforms.ext.django.orm import model_form
from myproject.myapp.models import User
UserForm = model_form(User)
:param model:
A Django ORM model class
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments used
to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
field_dict = model_fields(model, only, exclude, field_args, converter)
return type(model._meta.object_name + 'Form', (base_class, ), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``db.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``db.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model.kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``ndb.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``ndb.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model._get_kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None, converter=None):
"""
Create a wtforms Form for a given Django model class::
from wtforms.ext.django.orm import model_form
from myproject.myapp.models import User
UserForm = model_form(User)
:param model:
A Django ORM model class
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments used
to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
field_dict = model_fields(model, only, exclude, field_args, converter)
return type(model._meta.object_name + 'Form', (base_class, ), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``db.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``db.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model.kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``ndb.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``ndb.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model._get_kind() + 'Form', (base_class,), field_dict)
def __init__(self, *args, **kwargs):
warnings.warn(FlaskWTFDeprecationWarning(
'"flask_wtf.Form" has been renamed to "FlaskForm" '
'and will be removed in 1.0.'
), stacklevel=3)
super(Form, self).__init__(*args, **kwargs)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None, converter=None):
"""
Create a wtforms Form for a given Django model class::
from wtforms.ext.django.orm import model_form
from myproject.myapp.models import User
UserForm = model_form(User)
:param model:
A Django ORM model class
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments used
to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
field_dict = model_fields(model, only, exclude, field_args, converter)
return type(model._meta.object_name + 'Form', (base_class, ), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``db.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``db.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model.kind() + 'Form', (base_class,), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``ndb.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``ndb.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model._get_kind() + 'Form', (base_class,), field_dict)
def __init__(self, *args, **kwargs):
warnings.warn(FlaskWTFDeprecationWarning(
'"flask_wtf.Form" has been renamed to "FlaskForm" '
'and will be removed in 1.0.'
), stacklevel=3)
super(Form, self).__init__(*args, **kwargs)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None, converter=None):
"""
Create a wtforms Form for a given Django model class::
from wtforms.ext.django.orm import model_form
from myproject.myapp.models import User
UserForm = model_form(User)
:param model:
A Django ORM model class
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments used
to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
field_dict = model_fields(model, only, exclude, field_args, converter)
return type(model._meta.object_name + 'Form', (base_class, ), field_dict)
def model_form(model, base_class=Form, only=None, exclude=None, field_args=None,
converter=None):
"""
Creates and returns a dynamic ``wtforms.Form`` class for a given
``db.Model`` class. The form class can be used as it is or serve as a base
for extended form classes, which can then mix non-model related fields,
subforms with other model forms, among other possibilities.
:param model:
The ``db.Model`` class to generate a form for.
:param base_class:
Base form class to extend from. Must be a ``wtforms.Form`` subclass.
:param only:
An optional iterable with the property names that should be included in
the form. Only these properties will have fields.
:param exclude:
An optional iterable with the property names that should be excluded
from the form. All other properties will have fields.
:param field_args:
An optional dictionary of field names mapping to keyword arguments
used to construct each field object.
:param converter:
A converter to generate the fields based on the model properties. If
not set, ``ModelConverter`` is used.
"""
# Extract the fields from the model.
field_dict = model_fields(model, only, exclude, field_args, converter)
# Return a dynamically created form class, extending from base_class and
# including the created fields as properties.
return type(model.kind() + 'Form', (base_class,), field_dict)
