def from_file(cls, filename):
"""For historical HST types, build type info from a spec file derived from CDBS specs like
reference_file_defs.xml or cdbscatalog.dat. For new CRDS-only types, use a prototype rmap
with an enhanced header to define the type. Prototypes should be submissible but should not
contain references.
"""
log.verbose("Loading type spec", repr(filename), verbosity=75)
if filename.endswith(".spec"):
return cls(utils.evalfile(filename))
else:
return cls(rmap.load_mapping(filename).header)
def from_file(cls, filename):
"""For historical HST types, build type info from a spec file derived from CDBS specs like
reference_file_defs.xml or cdbscatalog.dat. For new CRDS-only types, use a prototype rmap
with an enhanced header to define the type. Prototypes should be submissible but should not
contain references.
"""
log.verbose("Loading type spec", repr(filename), verbosity=75)
if filename.endswith(".spec"):
return cls(utils.evalfile(filename))
else:
return cls(rmap.load_mapping(filename).header)
def history_start(self):
"""Return the starting item for processing."""
if self.args.starting_context:
item = self.convert_context(self.args.starting_context)
else: # read the start from the file recording the last successful processing index.
if os.path.exists(self.last_processed_path) and not self.args.list_history:
try:
last_tuple = utils.evalfile(self.last_processed_path)
item = int(last_tuple[0])
log.verbose("Loaded last processed:", last_tuple)
except Exception as exc:
self.fatal_error(self.last_processed_path, "already exists but was unusable:", str(exc))
else:
item = 0
return item