def get_extension_commands():
extensions = extension_commands()
extension_names = set()
for path, specs in extensions.items():
# Filter out attempts to shadow built-in commands as well as
# commands which have names which are already used.
filtered = []
for spec in specs:
if spec.name in BUILTIN_COMMAND_NAMES:
log.wrn(
'ignoring project {} extension command {};'.format(
spec.project.name, spec.name),
'this is a built in command')
continue
if spec.name in extension_names:
log.wrn(
'ignoring project {} extension command "{}";'.format(
spec.project.name, spec.name),
'command "{}" already defined as extension command'.format(
spec.name))
continue
filtered.append(spec)
extension_names.add(spec.name)
extensions[path] = filtered
return extensions
def load_extension_specs(self):
if self.manifest is None:
# "None" means "extensions could not be determined".
# Leaving this an empty dict would mean "there are no
# extensions", which is different.
self.extensions = None
return
path_specs = extension_commands(manifest=self.manifest)
extension_names = set()
for path, specs in path_specs.items():
# Filter out attempts to shadow built-in commands as well as
# command names which are already used.
filtered = []
for spec in specs:
if spec.name in self.builtins:
log.wrn(f'ignoring project {spec.project.name} '
f'extension command "{spec.name}"; '
'this is a built in command')
continue
if spec.name in extension_names:
log.wrn(f'ignoring project {spec.project.name} '
f'extension command "{spec.name}"; '
f'command "{spec.name}" is '
'already defined as extension command')
continue
filtered.append(spec)
extension_names.add(spec.name)
self.extensions[spec.name] = spec
self.extension_groups[path] = filtered
