def destroy(self, comment=u'', destroy_item=False):
action = DESTROY_ALL if destroy_item else DESTROY_REV
item_modified.send(app, fqname=self.fqname, action=action, meta=self.meta,
content=self.rev.data, comment=comment)
# called from destroy UI/POST
if destroy_item:
# destroy complete item with all revisions, metadata, etc.
self.rev.item.destroy_all_revisions()
else:
# just destroy this revision
self.rev.item.destroy_revision(self.rev.revid)
def destroy(self, comment=u'', destroy_item=False):
action = DESTROY_ALL if destroy_item else DESTROY_REV
item_modified.send(app, fqname=self.fqname, action=action, meta=self.meta,
content=self.rev.data, comment=comment)
# called from destroy UI/POST
if destroy_item:
# destroy complete item with all revisions, metadata, etc.
self.rev.item.destroy_all_revisions()
else:
# just destroy this revision
self.rev.item.destroy_revision(self.rev.revid)
def _save(self, meta, data=None, name=None, action=ACTION_SAVE, contenttype_guessed=None, comment=None,
overwrite=False, delete=False):
backend = flaskg.storage
storage_item = backend.get_item(**self.fqname.query)
try:
currentrev = storage_item.get_revision(CURRENT)
rev_id = currentrev.revid
contenttype_current = currentrev.meta.get(CONTENTTYPE)
except KeyError: # XXX was: NoSuchRevisionError:
currentrev = None
rev_id = None
contenttype_current = None
meta = dict(meta) # we may get a read-only dict-like, copy it
if 'acl' in meta:
# we treat this as nothing specified, so fallback to default
if meta['acl'] == 'None':
meta.pop('acl')
# this is treated as a rule which matches nothing
elif meta['acl'] == 'Empty':
meta['acl'] = ''
# we store the previous (if different) and current item name into revision metadata
# this is useful for rename history and backends that use item uids internally
if self.fqname.field == NAME_EXACT:
if name is None:
name = self.fqname.value
oldname = meta.get(NAME)
if oldname:
if not isinstance(oldname, list):
oldname = [oldname]
if delete or name not in oldname: # this is a delete or rename
try:
oldname.remove(self.name)
except ValueError:
pass
if not delete:
oldname.append(name)
meta[NAME] = oldname
elif not meta.get(ITEMID):
meta[NAME] = [name]
if meta.get(NAMESPACE) is None:
meta[NAMESPACE] = self.fqname.namespace
if comment is not None:
meta[COMMENT] = unicode(comment)
if currentrev:
current_names = currentrev.meta.get(NAME, [])
new_names = meta.get(NAME, [])
deleted_names = set(current_names) - set(new_names)
if deleted_names: # some names have been deleted.
meta[NAME_OLD] = current_names
if not new_names: # if no names left, then set the trash flag.
meta[TRASH] = True
if not overwrite and REVID in meta:
# we usually want to create a new revision, thus we must remove the existing REVID
del meta[REVID]
if data is None:
if currentrev is not None:
# we don't have (new) data, just copy the old one.
# a valid usecase of this is to just edit metadata.
data = currentrev.data
else:
data = ''
if isinstance(data, unicode):
data = data.encode(CHARSET) # XXX wrong! if contenttype gives a coding, we MUST use THAT.
if isinstance(data, str):
data = StringIO(data)
newrev = storage_item.store_revision(meta, data, overwrite=overwrite,
action=unicode(action),
contenttype_current=contenttype_current,
contenttype_guessed=contenttype_guessed,
return_rev=True,
)
item_modified.send(app, fqname=self.fqname, action=action)
return newrev.revid, newrev.meta[SIZE]
def _save(self,
meta,
data=None,
name=None,
action=ACTION_SAVE,
contenttype_guessed=None,
comment=None,
overwrite=False,
delete=False):
backend = flaskg.storage
storage_item = backend.get_item(**self.fqname.query)
try:
currentrev = storage_item.get_revision(CURRENT)
rev_id = currentrev.revid
contenttype_current = currentrev.meta.get(CONTENTTYPE)
except KeyError: # XXX was: NoSuchRevisionError:
currentrev = None
rev_id = None
contenttype_current = None
meta = dict(meta) # we may get a read-only dict-like, copy it
if 'acl' in meta:
# we treat this as nothing specified, so fallback to default
if meta['acl'] == 'None':
meta.pop('acl')
# this is treated as a rule which matches nothing
elif meta['acl'] == 'Empty':
meta['acl'] = ''
# we store the previous (if different) and current item name into revision metadata
# this is useful for rename history and backends that use item uids internally
if self.fqname.field == NAME_EXACT:
if name is None:
name = self.fqname.value
oldname = meta.get(NAME)
if oldname:
if not isinstance(oldname, list):
oldname = [oldname]
if delete or name not in oldname: # this is a delete or rename
try:
oldname.remove(self.name)
except ValueError:
pass
if not delete:
oldname.append(name)
meta[NAME] = oldname
elif not meta.get(ITEMID):
meta[NAME] = [name]
if meta.get(NAMESPACE) is None:
meta[NAMESPACE] = self.fqname.namespace
if comment is not None:
meta[COMMENT] = unicode(comment)
if currentrev:
current_names = currentrev.meta.get(NAME, [])
new_names = meta.get(NAME, [])
deleted_names = set(current_names) - set(new_names)
if deleted_names: # some names have been deleted.
meta[NAME_OLD] = current_names
if not new_names: # if no names left, then set the trash flag.
meta[TRASH] = True
if not overwrite and REVID in meta:
# we usually want to create a new revision, thus we must remove the existing REVID
del meta[REVID]
if data is None:
if currentrev is not None:
# we don't have (new) data, just copy the old one.
# a valid usecase of this is to just edit metadata.
data = currentrev.data
else:
data = ''
if isinstance(data, unicode):
data = data.encode(
CHARSET
) # XXX wrong! if contenttype gives a coding, we MUST use THAT.
if isinstance(data, str):
data = StringIO(data)
newrev = storage_item.store_revision(
meta,
data,
overwrite=overwrite,
action=unicode(action),
contenttype_current=contenttype_current,
contenttype_guessed=contenttype_guessed,
return_rev=True,
)
item_modified.send(app, fqname=self.fqname, action=action)
return newrev.revid, newrev.meta[SIZE]
