Checks what gets registered as an unpacker.
(extensions, function, extra_args)
| 1257 | return formats |
| 1258 | |
| 1259 | def _check_unpack_options(extensions, function, extra_args): |
| 1260 | """Checks what gets registered as an unpacker.""" |
| 1261 | # first make sure no other unpacker is registered for this extension |
| 1262 | existing_extensions = {} |
| 1263 | for name, info in _UNPACK_FORMATS.items(): |
| 1264 | for ext in info[0]: |
| 1265 | existing_extensions[ext] = name |
| 1266 | |
| 1267 | for extension in extensions: |
| 1268 | if extension in existing_extensions: |
| 1269 | msg = '%s is already registered for "%s"' |
| 1270 | raise RegistryError(msg % (extension, |
| 1271 | existing_extensions[extension])) |
| 1272 | |
| 1273 | if not callable(function): |
| 1274 | raise TypeError('The registered function must be a callable') |
| 1275 | |
| 1276 | |
| 1277 | def register_unpack_format(name, extensions, function, extra_args=None, |
no test coverage detected