class FileInput
from django.forms import FileInput
Descendants
Attributes
| Defined in | |
|---|---|
input_type = 'file'
|
FileInput |
input_type = None
|
Input |
is_localized = False
|
Widget |
is_required = False
|
Widget |
needs_multipart_form = True
|
FileInput |
needs_multipart_form = False
|
Widget |
supports_microseconds = True
|
Widget |
template_name = 'django/forms/widgets/file.html'
|
FileInput |
template_name = 'django/forms/widgets/input.html'
|
Input |
Properties
def
is_hidden():
¶
Widget
def
media():
¶
FileInput
Getter
def _media(self):
# Get the media property of the superclass, if it exists
sup_cls = super(cls, self)
try:
base = sup_cls.media
except AttributeError:
base = Media()
# Get the media definition for this class
definition = getattr(cls, 'Media', None)
if definition:
extend = getattr(definition, 'extend', True)
if extend:
if extend is True:
m = base
else:
m = Media()
for medium in extend:
m = m + base[medium]
return m + Media(definition)
else:
return Media(definition)
else:
return base
def
media():
¶
Input
Getter
def _media(self):
# Get the media property of the superclass, if it exists
sup_cls = super(cls, self)
try:
base = sup_cls.media
except AttributeError:
base = Media()
# Get the media definition for this class
definition = getattr(cls, 'Media', None)
if definition:
extend = getattr(definition, 'extend', True)
if extend:
if extend is True:
m = base
else:
m = Media()
for medium in extend:
m = m + base[medium]
return m + Media(definition)
else:
return Media(definition)
else:
return base
def
media():
¶
Widget
Getter
def _media(self):
# Get the media property of the superclass, if it exists
sup_cls = super(cls, self)
try:
base = sup_cls.media
except AttributeError:
base = Media()
# Get the media definition for this class
definition = getattr(cls, 'Media', None)
if definition:
extend = getattr(definition, 'extend', True)
if extend:
if extend is True:
m = base
else:
m = Media()
for medium in extend:
m = m + base[medium]
return m + Media(definition)
else:
return Media(definition)
else:
return base
Methods
def
_format_value(*args, **kwargs):
¶
FileInput
def wrapped(*args, **kwargs):
warnings.warn(
"`%s.%s` is deprecated, use `%s` instead." %
(self.class_name, self.old_method_name, self.new_method_name),
self.deprecation_warning, 2)
return f(*args, **kwargs)
Widget
def wrapped(*args, **kwargs):
warnings.warn(
"`%s.%s` is deprecated, use `%s` instead." %
(self.class_name, self.old_method_name, self.new_method_name),
self.deprecation_warning, 2)
return f(*args, **kwargs)
def
_render(self, template_name, context, renderer=None):
¶
Widget
def _render(self, template_name, context, renderer=None):
if renderer is None:
renderer = get_default_renderer()
return mark_safe(renderer.render(template_name, context))
def
build_attrs(self, base_attrs, extra_attrs=None):
¶
Widget
Helper function for building an attribute dictionary.
def build_attrs(self, base_attrs, extra_attrs=None):
"Helper function for building an attribute dictionary."
attrs = base_attrs.copy()
if extra_attrs is not None:
attrs.update(extra_attrs)
return attrs
def
format_value(self, value):
¶
FileInput
File input never renders a value.
def format_value(self, value):
"""File input never renders a value."""
return
Widget
Return a value as it should appear when rendered in a template.
def format_value(self, value):
"""
Return a value as it should appear when rendered in a template.
"""
if value == '' or value is None:
return None
if self.is_localized:
return formats.localize_input(value)
return force_text(value)
def
get_context(self, name, value, attrs):
¶
Input
def get_context(self, name, value, attrs):
context = super(Input, self).get_context(name, value, attrs)
context['widget']['type'] = self.input_type
return context
Widget
def get_context(self, name, value, attrs):
context = {}
context['widget'] = {
'name': name,
'is_hidden': self.is_hidden,
'required': self.is_required,
'value': self.format_value(value),
'attrs': self.build_attrs(self.attrs, attrs),
'template_name': self.template_name,
}
return context
def
id_for_label(self, id_):
¶
Widget
Returns the HTML ID attribute of this Widget for use by a <label>,
given the ID of the field. Returns None if no ID is available.
This hook is necessary because some widgets have multiple HTML
elements and, thus, multiple IDs. In that case, this method should
return an ID value that corresponds to the first ID in the widget's
tags.
def id_for_label(self, id_):
"""
Returns the HTML ID attribute of this Widget for use by a <label>,
given the ID of the field. Returns None if no ID is available.
This hook is necessary because some widgets have multiple HTML
elements and, thus, multiple IDs. In that case, this method should
return an ID value that corresponds to the first ID in the widget's
tags.
"""
return id_
def
render(self, name, value, attrs=None, renderer=None):
¶
Widget
Returns this Widget rendered as HTML, as a Unicode string.
def render(self, name, value, attrs=None, renderer=None):
"""
Returns this Widget rendered as HTML, as a Unicode string.
"""
context = self.get_context(name, value, attrs)
return self._render(self.template_name, context, renderer)
def
subwidgets(self, name, value, attrs=None):
¶
Widget
def subwidgets(self, name, value, attrs=None):
context = self.get_context(name, value, attrs)
yield context['widget']
def
use_required_attribute(self, initial):
¶
Widget
def use_required_attribute(self, initial):
return not self.is_hidden
def
value_from_datadict(self, data, files, name):
¶
FileInput
File widgets take data from FILES, not POST
def value_from_datadict(self, data, files, name):
"File widgets take data from FILES, not POST"
return files.get(name)
Widget
Given a dictionary of data and this widget's name, returns the value
of this widget. Returns None if it's not provided.
def value_from_datadict(self, data, files, name):
"""
Given a dictionary of data and this widget's name, returns the value
of this widget. Returns None if it's not provided.
"""
return data.get(name)
def
value_omitted_from_data(self, data, files, name):
¶
FileInput
def value_omitted_from_data(self, data, files, name):
return name not in files
Widget
def value_omitted_from_data(self, data, files, name):
return name not in data