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2 # See the COPYING file in the top-level directory.
21 def invalid_prefix_char(prefix: str) -> Optional[str]:
22     match = must_match(r'([A-Za-z_.-][A-Za-z0-9_.-]*)?', prefix)
28 def create_backend(path: str) -> QAPIBackend:
34         raise QAPIError("argument of -B must be of the form MODULE.CLASS")
38     except Exception as ex:
39         raise QAPIError(f"unable to import '{module_path}': {ex}") from ex
43     except AttributeError as ex:
45             f"module '{module_path}' has no class '{class_name}'") from ex
49     except Exception as ex:
51             f"backend '{path}' cannot be instantiated: {ex}") from ex
60 def main() -> int:
62     gapi-gen executable entry point.
63     Expects arguments via sys.argv, see --help for details.
69     parser.add_argument('-b', '--builtins', action='store_true',
70                         help="generate code for built-in types")
71     parser.add_argument('-o', '--output-dir', action='store',
74     parser.add_argument('-p', '--prefix', action='store',
77     parser.add_argument('-u', '--unmask-non-abi-names', action='store_true',
79                         help="expose non-ABI names in introspection")
80     parser.add_argument('-B', '--backend', default=None,
83     # Option --suppress-tracing exists so we can avoid solving build system
85     parser.add_argument('--suppress-tracing', action='store_true',
93         msg = f"funny character '{funny_char}' in argument of --prefix"