def __call__(self):
# TODO: Security check on form view/widget
if self.context.ignoreContext:
raise NotFound("Cannot get the data file from a widget with no context")
if self.context.form is not None:
content = aq_inner(self.context.form.getContent())
else:
content = aq_inner(self.context.context)
field = aq_inner(self.context.field)
dm = getMultiAdapter((content, field), IDataManager)
file_ = dm.get()
if isinstance(file_, basestring) and IASCII.providedBy(field):
"""Encoded data.
"""
filename, data = b64decode_file(file_)
if INamedImageWidget.providedBy(self.context):
file_ = NamedImage(data=data, filename=filename)
else:
file_ = NamedFile(data=data, filename=filename)
if file_ is None:
raise NotFound(self, self.filename, self.request)
if not self.filename:
self.filename = getattr(file_, "filename", None)
set_headers(file_, self.request.response, filename=self.filename)
return stream_data(file_)
def _make_namedfile(value, field, widget):
"""Return a NamedImage or NamedFile instance, if it isn't already one -
e.g. when it's base64 encoded data.
"""
if isinstance(value, basestring) and IASCII.providedBy(field):
filename, data = b64decode_file(value)
if INamedImageWidget.providedBy(widget):
value = NamedImage(data=data, filename=filename)
else:
value = NamedFile(data=data, filename=filename)
return value
def _make_namedfile(value, field, widget):
"""Return a NamedImage or NamedFile instance, if it isn't already one -
e.g. when it's base64 encoded data.
"""
if isinstance(value, basestring) and IASCII.providedBy(field):
filename, data = b64decode_file(value)
if INamedImageWidget.providedBy(widget):
value = NamedImage(data=data, filename=filename)
else:
value = NamedFile(data=data, filename=filename)
return value
def toWidgetValue(self, value):
if not isinstance(value, basestring):
return None
filename, data = b64decode_file(value)
if INamedImageWidget.providedBy(self.widget):
value = NamedImage(data=data, filename=filename)
else:
value = NamedFile(data=data, filename=filename)
return value
def toWidgetValue(self, value):
if not isinstance(value, basestring):
return None
filename, data = b64decode_file(value)
if INamedImageWidget.providedBy(self.widget):
value = NamedImage(data=data, filename=filename)
else:
value = NamedFile(data=data, filename=filename)
return value
def toWidgetValue(self, value):
if not isinstance(value, (six.text_type, six.binary_type)):
return None
filename, data = b64decode_file(value)
if INamedImageWidget.providedBy(self.widget):
value = NamedImage(data=data, filename=filename)
else:
value = NamedFile(data=data, filename=filename)
return value
def __call__(self):
# TODO: Security check on form view/widget
if self.context.ignoreContext:
raise NotFound(
"Cannot get the data file from a widget with no context")
if self.context.form is not None:
content = aq_inner(self.context.form.getContent())
else:
content = aq_inner(self.context.context)
field = aq_inner(self.context.field)
dm = getMultiAdapter((
content,
field,
), IDataManager)
file_ = dm.get()
if isinstance(file_, basestring) and IASCII.providedBy(field):
"""Encoded data.
"""
filename, data = b64decode_file(file_)
if INamedImageWidget.providedBy(self.context):
file_ = NamedImage(data=data, filename=filename)
else:
file_ = NamedFile(data=data, filename=filename)
if file_ is None:
raise NotFound(self, self.filename, self.request)
if not self.filename:
self.filename = getattr(file_, 'filename', None)
set_headers(file_, self.request.response, filename=self.filename)
return stream_data(file_)
