def _expand_path(base_dir: pathlib.Path, s: Any) -> pathlib.Path:
if isinstance(s, pathlib.Path):
return s
elif isinstance(s, str):
return base_dir / s
else:
raise dacite.WrongTypeError(pathlib.Path, s)
def _parse_mypy_targets(base_dir: pathlib.Path, config: Any) -> List[MypyTarget]:
if not isinstance(config, list):
raise dacite.WrongTypeError(List[MypyTarget], config)
if not all(isinstance(x, dict) for x in config):
raise dacite.DaciteError("tool.pysen.lint.mypy_targets must be a list of dicts")
return [_parse_mypy_target(base_dir, x) for x in config]
def _parse_python_version(s: Any) -> PythonVersion:
if not isinstance(s, str):
raise dacite.WrongTypeError(str, s)
try:
return PythonVersion.parse_short_representation(s)
except KeyError as e:
raise dacite.DaciteError(str(e))
def _parse_isort_section_name(s: Any) -> IsortSectionName:
if not isinstance(s, str):
raise dacite.WrongTypeError(MypyPreset, s)
try:
return IsortSectionName[s.upper()]
except KeyError:
raise dacite.DaciteError(f"invalid default_section value: {s}") from None
def _parse_mypy_preset(s: Any) -> MypyPreset:
if not isinstance(s, str):
raise dacite.WrongTypeError(MypyPreset, s)
try:
return MypyPreset[s.upper()]
except KeyError:
raise dacite.DaciteError(f"invalid mypy_preset value: {s}") from None
def _parse_mypy_follow_imports(s: Any) -> MypyFollowImports:
if not isinstance(s, str):
raise dacite.WrongTypeError(MypyFollowImports, s)
try:
return MypyFollowImports[s.upper()]
except KeyError:
raise dacite.DaciteError(f"invalid follow_imports value: {s}") from None
def _parse_plugin_configs(base_dir: pathlib.Path, data: Any) -> List[PluginConfig]:
if data is None:
return []
if not isinstance(data, dict):
raise dacite.WrongTypeError(dict, data, PLUGIN_PATH_ROOT)
result: List[PluginConfig] = []
for key, value in data.items():
path = f"{PLUGIN_PATH_ROOT}.{key}"
if not isinstance(value, dict):
raise dacite.WrongTypeError(dict, value, path)
# NOTE(igarashi): ensure that `location` is unspecified in pyproject.toml
if "location" in value:
raise dacite.DaciteError(f"unknown filed: {path}.location")
config = dacite.from_dict(
PluginConfig,
value,
config=dacite.Config(
type_hooks={pathlib.Path: lambda x: _expand_path(base_dir, x)},
strict=True,
),
)
assert isinstance(config, PluginConfig)
config.location = path
if config.function is None and config.script is None:
raise dacite.DaciteError(
"must specify either function or script for plugin field"
)
if config.function is not None and config.script is not None:
raise dacite.DaciteError("only one of function or script must be specified")
result.append(config)
return result
def _parse_mypy_modules(config: Any) -> Dict[str, MypyModuleOption]:
if not isinstance(config, dict):
raise dacite.WrongTypeError(Dict[str, MypyModuleOption], config)
mypy_modules: Dict[str, MypyModuleOption] = {}
for target_module, option_dict in config.items():
if not isinstance(target_module, str):
raise dacite.WrongTypeError(
str, target_module, "tool.pysen.lint.mypy_modules"
)
if not isinstance(option_dict, dict):
raise dacite.WrongTypeError(
MypyModuleOption,
option_dict,
f'tool.pysen.lint.mypy_modules."{target_module}"',
)
try:
module_option = dacite.from_dict(
MypyModuleOption,
option_dict,
config=dacite.Config(
strict=True,
type_hooks={
MypyPreset: _parse_mypy_preset,
MypyFollowImports: _parse_mypy_follow_imports,
},
),
)
assert isinstance(module_option, MypyModuleOption)
mypy_modules[target_module] = module_option
except ValueError as e:
raise dacite.DaciteError(f"invalid mypy_module: {target_module}, {e}")
return mypy_modules
def _parse_mypy_target(base_dir: pathlib.Path, d: Any) -> MypyTarget:
if not isinstance(d, dict):
raise dacite.WrongTypeError(dict, d, "tool.pysen.lint.mypy_targets")
target = dacite.from_dict(
MypyTarget,
d,
config=dacite.Config(
type_hooks={pathlib.Path: lambda x: _expand_path(base_dir, x)},
strict=True,
),
)
assert isinstance(target, MypyTarget)
if len(target.paths) == 0:
raise dacite.DaciteError(
"invalid mypy_target: each target must have one or more paths"
)
return target