class _ModifyForm(BaseModifyForm):
"""
ModifyForm (the form used on +modify view), sans the content part.
Combined dynamically with the ModifyForm of the Content subclass in
Contentful.ModifyForm.
Subclasses of Contentful should generally override this instead of
ModifyForm.
"""
meta_form = BaseMetaForm
extra_meta_text = JSON.using(
label=L_("Extra MetaData (JSON)")).with_properties(rows=ROWS_META,
cols=COLS)
meta_template = 'modify_meta.html'
def _load(self, item):
"""
Load metadata and data from :item into :self. Used by
BaseModifyForm.from_item.
"""
meta = item.prepare_meta_for_modify(item.meta)
# Default value of `policy` argument of Flatland.Dict.set's is
# 'strict', which causes KeyError to be thrown when meta contains
# meta keys that are not present in self['meta_form']. Setting
# policy to 'duck' suppresses this behavior.
if 'acl' not in meta:
meta['acl'] = "None"
self['meta_form'].set(meta, policy='duck')
for k in self['meta_form'].field_schema_mapping.keys(
) + IMMUTABLE_KEYS:
meta.pop(k, None)
self['extra_meta_text'].set(item.meta_dict_to_text(meta))
self['content_form']._load(item.content)
def _dump(self, item):
"""
Dump useful data out of :self. :item contains the old item and
should not be the primary data source; but it can be useful in case
the data in :self is not sufficient.
:returns: a tuple (meta, data, contenttype_guessed, comment),
suitable as arguments of the same names to pass to
item.modify
"""
# Since the metadata form for tickets is an incomplete one, we load the
# original meta and update it with those from the metadata editor
# e.g. we get PARENTID in here
meta = item.meta_filter(item.prepare_meta_for_modify(item.meta))
meta.update(self['meta_form'].value)
meta.update(item.meta_text_to_dict(self['extra_meta_text'].value))
data, contenttype_guessed = self['content_form']._dump(
item.content)
comment = self['comment'].value
return meta, data, contenttype_guessed, comment
