def do_update_metadata(objroot, objID, version, meta, searchFile=None):
"""this is also called by merging incoming data in
ProcessDiscs.deal_with_stub(). only there, we're going to worry
about the optional incoming SearchFile argument. there,
we're trying to re-use the searchFile argument without
re-opening it over and over again."""
if not searchFile:
ryw.db_print('do_update_metadata: null searchFile', 11)
else:
ryw.db_print('do_update_metadata: reusing searchFile', 11)
if not ryw_meta.rewrite_meta(objroot, objID, version, meta):
ryw.give_bad_news('EditObject: rewrite_meta failed.', logging.error)
return (False, None)
if not searchFile:
searchFile = ryw_meta.open_search_file(RepositoryRoot,
grabWriteLock = True)
if not searchFile:
ryw.give_bad_news('EditObject: failed to open search file.',
logging.critical)
return (False, None)
searchFile.modify(meta)
return (True, searchFile)
def do_delete(objID, version, searchFile=None):
"""the optional searchFile argument is for cases of calling this
thing in a loop: the first time, searchFile is None, so we do
an open of the searchFile, and this gets returned to the caller,
and the caller (in a loop) gets to reuse the searchFile argument."""
if not searchFile:
searchFile = ryw_meta.open_search_file(RepositoryRoot)
ryw.db_print('DeleteObject.do_delete: opening searchFile.', 18)
else:
ryw.db_print('DeleteObject.do_delete: reusing searchFile.', 18)
if not searchFile:
return (False, None)
meta,objroot = ryw_meta.get_meta(searchFile, objID, version,
RepositoryRoot)
if not meta and not objroot:
ryw.give_bad_news('do_delete: no meta, no objroot, giving up...',
logging.critical)
searchFile.done()
return (False, searchFile)
#
# try to continue deletion even if we can't get metadata.
#
paths = ryw_meta.get_paths(objroot, objID, version, meta, RepositoryRoot)
if not paths:
ryw.give_bad_news('do_delete: failed to get paths.',
logging.critical)
searchFile.done()
return (False, searchFile)
if meta:
#
# hack. I had a bug when the following function crashed
# with meta=None
# I didn't bother to understand what's going on.
#
process_reverse_lists(objID, version, meta, searchFile)
remove_from_search_file(searchFile, objID, version)
remove_paths(paths)
searchFile.done()
return (True, searchFile)
