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📁 ..	-	2026-03-27 02:58
📄 __init__.py """For backward compatibility, expose main functions from ``setuptools.config.setupcfg`` """ import warnings from functools import wraps from textwrap import dedent from typing import Callable, TypeVar, cast from .._deprecation_warning import SetuptoolsDeprecationWarning from . import setupcfg Fn = TypeVar("Fn", bound=Callable) __all__ = ('parse_configuration', 'read_configuration') def _deprecation_notice(fn: Fn) -> Fn: @wraps(fn) def _wrapper(args, kwargs): msg = f"""\ As setuptools moves its configuration towards `pyproject.toml`, `{__name__}.{fn.__name__}` became deprecated. For the time being, you can use the `{setupcfg.__name__}` module to access a backward compatible API, but this module is provisional and might be removed in the future. """ warnings.warn(dedent(msg), SetuptoolsDeprecationWarning, stacklevel=2) return fn(args, **kwargs) return cast(Fn, _wrapper) read_configuration = _deprecation_notice(setupcfg.read_configuration) parse_configuration = _deprecation_notice(setupcfg.parse_configuration)	1.09 KB	2023-11-13 22:05
📁 __pycache__	-	2026-03-27 02:58
📄 _apply_pyprojecttoml.py """Translation layer between pyproject config and setuptools distribution and metadata objects. The distribution and metadata objects are modeled after (an old version of) core metadata, therefore configs in the format specified for ``pyproject.toml`` need to be processed before being applied. PRIVATE MODULE: API reserved for setuptools internal usage only. """ import logging import os import warnings from collections.abc import Mapping from email.headerregistry import Address from functools import partial, reduce from itertools import chain from types import MappingProxyType from typing import (TYPE_CHECKING, Any, Callable, Dict, List, Optional, Set, Tuple, Type, Union) from setuptools._deprecation_warning import SetuptoolsDeprecationWarning if TYPE_CHECKING: from setuptools._importlib import metadata # noqa from setuptools.dist import Distribution # noqa EMPTY: Mapping = MappingProxyType({}) # Immutable dict-like _Path = Union[os.PathLike, str] _DictOrStr = Union[dict, str] _CorrespFn = Callable[["Distribution", Any, _Path], None] _Correspondence = Union[str, _CorrespFn] _logger = logging.getLogger(__name__) def apply(dist: "Distribution", config: dict, filename: _Path) -> "Distribution": """Apply configuration dict read with :func:`read_configuration`""" if not config: return dist # short-circuit unrelated pyproject.toml file root_dir = os.path.dirname(filename) or "." _apply_project_table(dist, config, root_dir) _apply_tool_table(dist, config, filename) current_directory = os.getcwd() os.chdir(root_dir) try: dist._finalize_requires() dist._finalize_license_files() finally: os.chdir(current_directory) return dist def _apply_project_table(dist: "Distribution", config: dict, root_dir: _Path): project_table = config.get("project", {}).copy() if not project_table: return # short-circuit _handle_missing_dynamic(dist, project_table) _unify_entry_points(project_table) for field, value in project_table.items(): norm_key = json_compatible_key(field) corresp = PYPROJECT_CORRESPONDENCE.get(norm_key, norm_key) if callable(corresp): corresp(dist, value, root_dir) else: _set_config(dist, corresp, value) def _apply_tool_table(dist: "Distribution", config: dict, filename: _Path): tool_table = config.get("tool", {}).get("setuptools", {}) if not tool_table: return # short-circuit for field, value in tool_table.items(): norm_key = json_compatible_key(field) if norm_key in TOOL_TABLE_DEPRECATIONS: suggestion = TOOL_TABLE_DEPRECATIONS[norm_key] msg = f"The parameter `{norm_key}` is deprecated, {suggestion}" warnings.warn(msg, SetuptoolsDeprecationWarning) norm_key = TOOL_TABLE_RENAMES.get(norm_key, norm_key) _set_config(dist, norm_key, value) _copy_command_options(config, dist, filename) def _handle_missing_dynamic(dist: "Distribution", project_table: dict): """Be temporarily forgiving with ``dynamic`` fields not listed in ``dynamic``""" # TODO: Set fields back to `None` once the feature stabilizes dynamic = set(project_table.get("dynamic", [])) for field, getter in _PREVIOUSLY_DEFINED.items(): if not (field in project_table or field in dynamic): value = getter(dist) if value: msg = _WouldIgnoreField.message(field, value) warnings.warn(msg, _WouldIgnoreField) def json_compatible_key(key: str) -> str: """As defined in :pep:`566#json-compatible-metadata`""" return key.lower().replace("-", "_") def _set_config(dist: "Distribution", field: str, value: Any): setter = getattr(dist.metadata, f"set_{field}", None) if setter: setter(value) elif hasattr(dist.metadata, field) or field in SETUPTOOLS_PATCHES: setattr(dist.metadata, field, value) else: setattr(dist, field, value) _CONTENT_TYPES = { ".md": "text/markdown", ".rst": "text/x-rst", ".txt": "text/plain", } def _guess_content_type(file: str) -> Optional[str]: _, ext = os.path.splitext(file.lower()) if not ext: return None if ext in _CONTENT_TYPES: return _CONTENT_TYPES[ext] valid = ", ".join(f"{k} ({v})" for k, v in _CONTENT_TYPES.items()) msg = f"only the following file extensions are recognized: {valid}." raise ValueError(f"Undefined content type for {file}, {msg}") def _long_description(dist: "Distribution", val: _DictOrStr, root_dir: _Path): from setuptools.config import expand if isinstance(val, str): text = expand.read_files(val, root_dir) ctype = _guess_content_type(val) else: text = val.get("text") or expand.read_files(val.get("file", []), root_dir) ctype = val["content-type"] _set_config(dist, "long_description", text) if ctype: _set_config(dist, "long_description_content_type", ctype) def _license(dist: "Distribution", val: dict, root_dir: _Path): from setuptools.config import expand if "file" in val: _set_config(dist, "license", expand.read_files([val["file"]], root_dir)) else: _set_config(dist, "license", val["text"]) def _people(dist: "Distribution", val: List[dict], _root_dir: _Path, kind: str): field = [] email_field = [] for person in val: if "name" not in person: email_field.append(person["email"]) elif "email" not in person: field.append(person["name"]) else: addr = Address(display_name=person["name"], addr_spec=person["email"]) email_field.append(str(addr)) if field: _set_config(dist, kind, ", ".join(field)) if email_field: _set_config(dist, f"{kind}_email", ", ".join(email_field)) def _project_urls(dist: "Distribution", val: dict, _root_dir): _set_config(dist, "project_urls", val) def _python_requires(dist: "Distribution", val: dict, _root_dir): from setuptools.extern.packaging.specifiers import SpecifierSet _set_config(dist, "python_requires", SpecifierSet(val)) def _dependencies(dist: "Distribution", val: list, _root_dir): if getattr(dist, "install_requires", []): msg = "`install_requires` overwritten in `pyproject.toml` (dependencies)" warnings.warn(msg) _set_config(dist, "install_requires", val) def _optional_dependencies(dist: "Distribution", val: dict, _root_dir): existing = getattr(dist, "extras_require", {}) _set_config(dist, "extras_require", {existing, val}) def _unify_entry_points(project_table: dict): project = project_table entry_points = project.pop("entry-points", project.pop("entry_points", {})) renaming = {"scripts": "console_scripts", "gui_scripts": "gui_scripts"} for key, value in list(project.items()): # eager to allow modifications norm_key = json_compatible_key(key) if norm_key in renaming and value: entry_points[renaming[norm_key]] = project.pop(key) if entry_points: project["entry-points"] = { name: [f"{k} = {v}" for k, v in group.items()] for name, group in entry_points.items() } def _copy_command_options(pyproject: dict, dist: "Distribution", filename: _Path): tool_table = pyproject.get("tool", {}) cmdclass = tool_table.get("setuptools", {}).get("cmdclass", {}) valid_options = _valid_command_options(cmdclass) cmd_opts = dist.command_options for cmd, config in pyproject.get("tool", {}).get("distutils", {}).items(): cmd = json_compatible_key(cmd) valid = valid_options.get(cmd, set()) cmd_opts.setdefault(cmd, {}) for key, value in config.items(): key = json_compatible_key(key) cmd_opts[cmd][key] = (str(filename), value) if key not in valid: # To avoid removing options that are specified dynamically we # just log a warn... _logger.warning(f"Command option {cmd}.{key} is not defined") def _valid_command_options(cmdclass: Mapping = EMPTY) -> Dict[str, Set[str]]: from .._importlib import metadata from setuptools.dist import Distribution valid_options = {"global": _normalise_cmd_options(Distribution.global_options)} unloaded_entry_points = metadata.entry_points(group='distutils.commands') loaded_entry_points = (_load_ep(ep) for ep in unloaded_entry_points) entry_points = (ep for ep in loaded_entry_points if ep) for cmd, cmd_class in chain(entry_points, cmdclass.items()): opts = valid_options.get(cmd, set()) opts = opts \| _normalise_cmd_options(getattr(cmd_class, "user_options", [])) valid_options[cmd] = opts return valid_options def _load_ep(ep: "metadata.EntryPoint") -> Optional[Tuple[str, Type]]: # Ignore all the errors try: return (ep.name, ep.load()) except Exception as ex: msg = f"{ex.__class__.__name__} while trying to load entry-point {ep.name}" _logger.warning(f"{msg}: {ex}") return None def _normalise_cmd_option_key(name: str) -> str: return json_compatible_key(name).strip("_=") def _normalise_cmd_options(desc: List[Tuple[str, Optional[str], str]]) -> Set[str]: return {_normalise_cmd_option_key(fancy_option[0]) for fancy_option in desc} def _attrgetter(attr): """ Similar to ``operator.attrgetter`` but returns None if ``attr`` is not found >>> from types import SimpleNamespace >>> obj = SimpleNamespace(a=42, b=SimpleNamespace(c=13)) >>> _attrgetter("a")(obj) 42 >>> _attrgetter("b.c")(obj) 13 >>> _attrgetter("d")(obj) is None True """ return partial(reduce, lambda acc, x: getattr(acc, x, None), attr.split(".")) def _some_attrgetter(items): """ Return the first "truth-y" attribute or None >>> from types import SimpleNamespace >>> obj = SimpleNamespace(a=42, b=SimpleNamespace(c=13)) >>> _some_attrgetter("d", "a", "b.c")(obj) 42 >>> _some_attrgetter("d", "e", "b.c", "a")(obj) 13 >>> _some_attrgetter("d", "e", "f")(obj) is None True """ def _acessor(obj): values = (_attrgetter(i)(obj) for i in items) return next((i for i in values if i is not None), None) return _acessor PYPROJECT_CORRESPONDENCE: Dict[str, _Correspondence] = { "readme": _long_description, "license": _license, "authors": partial(_people, kind="author"), "maintainers": partial(_people, kind="maintainer"), "urls": _project_urls, "dependencies": _dependencies, "optional_dependencies": _optional_dependencies, "requires_python": _python_requires, } TOOL_TABLE_RENAMES = {"script_files": "scripts"} TOOL_TABLE_DEPRECATIONS = { "namespace_packages": "consider using implicit namespaces instead (PEP 420)." } SETUPTOOLS_PATCHES = {"long_description_content_type", "project_urls", "provides_extras", "license_file", "license_files"} _PREVIOUSLY_DEFINED = { "name": _attrgetter("metadata.name"), "version": _attrgetter("metadata.version"), "description": _attrgetter("metadata.description"), "readme": _attrgetter("metadata.long_description"), "requires-python": _some_attrgetter("python_requires", "metadata.python_requires"), "license": _attrgetter("metadata.license"), "authors": _some_attrgetter("metadata.author", "metadata.author_email"), "maintainers": _some_attrgetter("metadata.maintainer", "metadata.maintainer_email"), "keywords": _attrgetter("metadata.keywords"), "classifiers": _attrgetter("metadata.classifiers"), "urls": _attrgetter("metadata.project_urls"), "entry-points": _attrgetter("entry_points"), "dependencies": _some_attrgetter("_orig_install_requires", "install_requires"), "optional-dependencies": _some_attrgetter("_orig_extras_require", "extras_require"), } class _WouldIgnoreField(UserWarning): """Inform users that ``pyproject.toml`` would overwrite previous metadata.""" MESSAGE = """\ {field!r} defined outside of `pyproject.toml` would be ignored. !!\n\n ########################################################################## # configuration would be ignored/result in error due to `pyproject.toml` # ########################################################################## The following seems to be defined outside of `pyproject.toml`: `{field} = {value!r}` According to the spec (see the link below), however, setuptools CANNOT consider this value unless {field!r} is listed as `dynamic`. https://packaging.python.org/en/latest/specifications/declaring-project-metadata/ For the time being, `setuptools` will still consider the given value (as a transitional* measure), but please note that future releases of setuptools will follow strictly the standard. To prevent this warning, you can list {field!r} under `dynamic` or alternatively remove the `[project]` table from your file and rely entirely on other means of configuration. \n\n!! """ @classmethod def message(cls, field, value): from inspect import cleandoc return cleandoc(cls.MESSAGE.format(field=field, value=value))	13.08 KB	2023-11-13 22:05
📁 _validate_pyproject	-	2026-03-27 02:58
📄 expand.py """Utility functions to expand configuration directives or special values (such glob patterns). We can split the process of interpreting configuration files into 2 steps: 1. The parsing the file contents from strings to value objects that can be understand by Python (for example a string with a comma separated list of keywords into an actual Python list of strings). 2. The expansion (or post-processing) of these values according to the semantics ``setuptools`` assign to them (for example a configuration field with the ``file:`` directive should be expanded from a list of file paths to a single string with the contents of those files concatenated) This module focus on the second step, and therefore allow sharing the expansion functions among several configuration file formats. PRIVATE MODULE: API reserved for setuptools internal usage only. """ import ast import importlib import io import os import pathlib import sys import warnings from glob import iglob from configparser import ConfigParser from importlib.machinery import ModuleSpec from itertools import chain from typing import ( TYPE_CHECKING, Callable, Dict, Iterable, Iterator, List, Mapping, Optional, Tuple, TypeVar, Union, cast ) from pathlib import Path from types import ModuleType from distutils.errors import DistutilsOptionError from .._path import same_path as _same_path if TYPE_CHECKING: from setuptools.dist import Distribution # noqa from setuptools.discovery import ConfigDiscovery # noqa from distutils.dist import DistributionMetadata # noqa chain_iter = chain.from_iterable _Path = Union[str, os.PathLike] _K = TypeVar("_K") _V = TypeVar("_V", covariant=True) class StaticModule: """Proxy to a module object that avoids executing arbitrary code.""" def __init__(self, name: str, spec: ModuleSpec): module = ast.parse(pathlib.Path(spec.origin).read_bytes()) vars(self).update(locals()) del self.self def _find_assignments(self) -> Iterator[Tuple[ast.AST, ast.AST]]: for statement in self.module.body: if isinstance(statement, ast.Assign): yield from ((target, statement.value) for target in statement.targets) elif isinstance(statement, ast.AnnAssign) and statement.value: yield (statement.target, statement.value) def __getattr__(self, attr): """Attempt to load an attribute "statically", via :func:`ast.literal_eval`.""" try: return next( ast.literal_eval(value) for target, value in self._find_assignments() if isinstance(target, ast.Name) and target.id == attr ) except Exception as e: raise AttributeError(f"{self.name} has no attribute {attr}") from e def glob_relative( patterns: Iterable[str], root_dir: Optional[_Path] = None ) -> List[str]: """Expand the list of glob patterns, but preserving relative paths. :param list[str] patterns: List of glob patterns :param str root_dir: Path to which globs should be relative (current directory by default) :rtype: list """ glob_characters = {'', '?', '[', ']', '{', '}'} expanded_values = [] root_dir = root_dir or os.getcwd() for value in patterns: # Has globby characters? if any(char in value for char in glob_characters): # then expand the glob pattern while keeping paths relative: glob_path = os.path.abspath(os.path.join(root_dir, value)) expanded_values.extend(sorted( os.path.relpath(path, root_dir).replace(os.sep, "/") for path in iglob(glob_path, recursive=True))) else: # take the value as-is path = os.path.relpath(value, root_dir).replace(os.sep, "/") expanded_values.append(path) return expanded_values def read_files(filepaths: Union[str, bytes, Iterable[_Path]], root_dir=None) -> str: """Return the content of the files concatenated using ``\n`` as str This function is sandboxed and won't reach anything outside ``root_dir`` (By default ``root_dir`` is the current directory). """ from setuptools.extern.more_itertools import always_iterable root_dir = os.path.abspath(root_dir or os.getcwd()) _filepaths = (os.path.join(root_dir, path) for path in always_iterable(filepaths)) return '\n'.join( _read_file(path) for path in _filter_existing_files(_filepaths) if _assert_local(path, root_dir) ) def _filter_existing_files(filepaths: Iterable[_Path]) -> Iterator[_Path]: for path in filepaths: if os.path.isfile(path): yield path else: warnings.warn(f"File {path!r} cannot be found") def _read_file(filepath: Union[bytes, _Path]) -> str: with io.open(filepath, encoding='utf-8') as f: return f.read() def _assert_local(filepath: _Path, root_dir: str): if Path(os.path.abspath(root_dir)) not in Path(os.path.abspath(filepath)).parents: msg = f"Cannot access {filepath!r} (or anything outside {root_dir!r})" raise DistutilsOptionError(msg) return True def read_attr( attr_desc: str, package_dir: Optional[Mapping[str, str]] = None, root_dir: Optional[_Path] = None ): """Reads the value of an attribute from a module. This function will try to read the attributed statically first (via :func:`ast.literal_eval`), and only evaluate the module if it fails. Examples: read_attr("package.attr") read_attr("package.module.attr") :param str attr_desc: Dot-separated string describing how to reach the attribute (see examples above) :param dict[str, str] package_dir: Mapping of package names to their location in disk (represented by paths relative to ``root_dir``). :param str root_dir: Path to directory containing all the packages in ``package_dir`` (current directory by default). :rtype: str """ root_dir = root_dir or os.getcwd() attrs_path = attr_desc.strip().split('.') attr_name = attrs_path.pop() module_name = '.'.join(attrs_path) module_name = module_name or '__init__' _parent_path, path, module_name = _find_module(module_name, package_dir, root_dir) spec = _find_spec(module_name, path) try: return getattr(StaticModule(module_name, spec), attr_name) except Exception: # fallback to evaluate module module = _load_spec(spec, module_name) return getattr(module, attr_name) def _find_spec(module_name: str, module_path: Optional[_Path]) -> ModuleSpec: spec = importlib.util.spec_from_file_location(module_name, module_path) spec = spec or importlib.util.find_spec(module_name) if spec is None: raise ModuleNotFoundError(module_name) return spec def _load_spec(spec: ModuleSpec, module_name: str) -> ModuleType: name = getattr(spec, "__name__", module_name) if name in sys.modules: return sys.modules[name] module = importlib.util.module_from_spec(spec) sys.modules[name] = module # cache (it also ensures `==` works on loaded items) spec.loader.exec_module(module) # type: ignore return module def _find_module( module_name: str, package_dir: Optional[Mapping[str, str]], root_dir: _Path ) -> Tuple[_Path, Optional[str], str]: """Given a module (that could normally be imported by ``module_name`` after the build is complete), find the path to the parent directory where it is contained and the canonical name that could be used to import it considering the ``package_dir`` in the build configuration and ``root_dir`` """ parent_path = root_dir module_parts = module_name.split('.') if package_dir: if module_parts[0] in package_dir: # A custom path was specified for the module we want to import custom_path = package_dir[module_parts[0]] parts = custom_path.rsplit('/', 1) if len(parts) > 1: parent_path = os.path.join(root_dir, parts[0]) parent_module = parts[1] else: parent_module = custom_path module_name = ".".join([parent_module, module_parts[1:]]) elif '' in package_dir: # A custom parent directory was specified for all root modules parent_path = os.path.join(root_dir, package_dir['']) path_start = os.path.join(parent_path, module_name.split(".")) candidates = chain( (f"{path_start}.py", os.path.join(path_start, "__init__.py")), iglob(f"{path_start}.") ) module_path = next((x for x in candidates if os.path.isfile(x)), None) return parent_path, module_path, module_name def resolve_class( qualified_class_name: str, package_dir: Optional[Mapping[str, str]] = None, root_dir: Optional[_Path] = None ) -> Callable: """Given a qualified class name, return the associated class object""" root_dir = root_dir or os.getcwd() idx = qualified_class_name.rfind('.') class_name = qualified_class_name[idx + 1 :] pkg_name = qualified_class_name[:idx] _parent_path, path, module_name = _find_module(pkg_name, package_dir, root_dir) module = _load_spec(_find_spec(module_name, path), module_name) return getattr(module, class_name) def cmdclass( values: Dict[str, str], package_dir: Optional[Mapping[str, str]] = None, root_dir: Optional[_Path] = None ) -> Dict[str, Callable]: """Given a dictionary mapping command names to strings for qualified class names, apply :func:`resolve_class` to the dict values. """ return {k: resolve_class(v, package_dir, root_dir) for k, v in values.items()} def find_packages( , namespaces=True, fill_package_dir: Optional[Dict[str, str]] = None, root_dir: Optional[_Path] = None, kwargs ) -> List[str]: """Works similarly to :func:`setuptools.find_packages`, but with all arguments given as keyword arguments. Moreover, ``where`` can be given as a list (the results will be simply concatenated). When the additional keyword argument ``namespaces`` is ``True``, it will behave like :func:`setuptools.find_namespace_packages`` (i.e. include implicit namespaces as per :pep:`420`). The ``where`` argument will be considered relative to ``root_dir`` (or the current working directory when ``root_dir`` is not given). If the ``fill_package_dir`` argument is passed, this function will consider it as a similar data structure to the ``package_dir`` configuration parameter add fill-in any missing package location. :rtype: list """ from setuptools.discovery import construct_package_dir from setuptools.extern.more_itertools import unique_everseen, always_iterable if namespaces: from setuptools.discovery import PEP420PackageFinder as PackageFinder else: from setuptools.discovery import PackageFinder # type: ignore root_dir = root_dir or os.curdir where = kwargs.pop('where', ['.']) packages: List[str] = [] fill_package_dir = {} if fill_package_dir is None else fill_package_dir search = list(unique_everseen(always_iterable(where))) if len(search) == 1 and all(not _same_path(search[0], x) for x in (".", root_dir)): fill_package_dir.setdefault("", search[0]) for path in search: package_path = _nest_path(root_dir, path) pkgs = PackageFinder.find(package_path, kwargs) packages.extend(pkgs) if pkgs and not ( fill_package_dir.get("") == path or os.path.samefile(package_path, root_dir) ): fill_package_dir.update(construct_package_dir(pkgs, path)) return packages def _nest_path(parent: _Path, path: _Path) -> str: path = parent if path in {".", ""} else os.path.join(parent, path) return os.path.normpath(path) def version(value: Union[Callable, Iterable[Union[str, int]], str]) -> str: """When getting the version directly from an attribute, it should be normalised to string. """ if callable(value): value = value() value = cast(Iterable[Union[str, int]], value) if not isinstance(value, str): if hasattr(value, '__iter__'): value = '.'.join(map(str, value)) else: value = '%s' % value return value def canonic_package_data(package_data: dict) -> dict: if "" in package_data: package_data[""] = package_data.pop("*") return package_data def canonic_data_files( data_files: Union[list, dict], root_dir: Optional[_Path] = None ) -> List[Tuple[str, List[str]]]: """For compatibility with ``setup.py``, ``data_files`` should be a list of pairs instead of a dict. This function also expands glob patterns. """ if isinstance(data_files, list): return data_files return [ (dest, glob_relative(patterns, root_dir)) for dest, patterns in data_files.items() ] def entry_points(text: str, text_source="entry-points") -> Dict[str, dict]: """Given the contents of entry-points file, process it into a 2-level dictionary (``dict[str, dict[str, str]]``). The first level keys are entry-point groups, the second level keys are entry-point names, and the second level values are references to objects (that correspond to the entry-point value). """ parser = ConfigParser(default_section=None, delimiters=("=",)) # type: ignore parser.optionxform = str # case sensitive parser.read_string(text, text_source) groups = {k: dict(v.items()) for k, v in parser.items()} groups.pop(parser.default_section, None) return groups class EnsurePackagesDiscovered: """Some expand functions require all the packages to already be discovered before they run, e.g. :func:`read_attr`, :func:`resolve_class`, :func:`cmdclass`. Therefore in some cases we will need to run autodiscovery during the evaluation of the configuration. However, it is better to postpone calling package discovery as much as possible, because some parameters can influence it (e.g. ``package_dir``), and those might not have been processed yet. """ def __init__(self, distribution: "Distribution"): self._dist = distribution self._called = False def __call__(self): """Trigger the automatic package discovery, if it is still necessary.""" if not self._called: self._called = True self._dist.set_defaults(name=False) # Skip name, we can still be parsing def __enter__(self): return self def __exit__(self, _exc_type, _exc_value, _traceback): if self._called: self._dist.set_defaults.analyse_name() # Now we can set a default name def _get_package_dir(self) -> Mapping[str, str]: self() pkg_dir = self._dist.package_dir return {} if pkg_dir is None else pkg_dir @property def package_dir(self) -> Mapping[str, str]: """Proxy to ``package_dir`` that may trigger auto-discovery when used.""" return LazyMappingProxy(self._get_package_dir) class LazyMappingProxy(Mapping[_K, _V]): """Mapping proxy that delays resolving the target object, until really needed. >>> def obtain_mapping(): ... print("Running expensive function!") ... return {"key": "value", "other key": "other value"} >>> mapping = LazyMappingProxy(obtain_mapping) >>> mapping["key"] Running expensive function! 'value' >>> mapping["other key"] 'other value' """ def __init__(self, obtain_mapping_value: Callable[[], Mapping[_K, _V]]): self._obtain = obtain_mapping_value self._value: Optional[Mapping[_K, _V]] = None def _target(self) -> Mapping[_K, _V]: if self._value is None: self._value = self._obtain() return self._value def __getitem__(self, key: _K) -> _V: return self._target()[key] def __len__(self) -> int: return len(self._target()) def __iter__(self) -> Iterator[_K]: return iter(self._target())	15.94 KB	2023-11-13 22:05
📄 pyprojecttoml.py """ Load setuptools configuration from ``pyproject.toml`` files. PRIVATE MODULE: API reserved for setuptools internal usage only. """ import logging import os import warnings from contextlib import contextmanager from functools import partial from typing import TYPE_CHECKING, Callable, Dict, Optional, Mapping, Union from setuptools.errors import FileError, OptionError from . import expand as _expand from ._apply_pyprojecttoml import apply as _apply from ._apply_pyprojecttoml import _PREVIOUSLY_DEFINED, _WouldIgnoreField if TYPE_CHECKING: from setuptools.dist import Distribution # noqa _Path = Union[str, os.PathLike] _logger = logging.getLogger(__name__) def load_file(filepath: _Path) -> dict: from setuptools.extern import tomli # type: ignore with open(filepath, "rb") as file: return tomli.load(file) def validate(config: dict, filepath: _Path) -> bool: from . import _validate_pyproject as validator trove_classifier = validator.FORMAT_FUNCTIONS.get("trove-classifier") if hasattr(trove_classifier, "_disable_download"): # Improve reproducibility by default. See issue 31 for validate-pyproject. trove_classifier._disable_download() # type: ignore try: return validator.validate(config) except validator.ValidationError as ex: summary = f"configuration error: {ex.summary}" if ex.name.strip("`") != "project": # Probably it is just a field missing/misnamed, not worthy the verbosity... _logger.debug(summary) _logger.debug(ex.details) error = f"invalid pyproject.toml config: {ex.name}." raise ValueError(f"{error}\n{summary}") from None def apply_configuration( dist: "Distribution", filepath: _Path, ignore_option_errors=False, ) -> "Distribution": """Apply the configuration from a ``pyproject.toml`` file into an existing distribution object. """ config = read_configuration(filepath, True, ignore_option_errors, dist) return _apply(dist, config, filepath) def read_configuration( filepath: _Path, expand=True, ignore_option_errors=False, dist: Optional["Distribution"] = None, ): """Read given configuration file and returns options from it as a dict. :param str\|unicode filepath: Path to configuration file in the ``pyproject.toml`` format. :param bool expand: Whether to expand directives and other computed values (i.e. post-process the given configuration) :param bool ignore_option_errors: Whether to silently ignore options, values of which could not be resolved (e.g. due to exceptions in directives such as file:, attr:, etc.). If False exceptions are propagated as expected. :param Distribution\|None: Distribution object to which the configuration refers. If not given a dummy object will be created and discarded after the configuration is read. This is used for auto-discovery of packages in the case a dynamic configuration (e.g. ``attr`` or ``cmdclass``) is expanded. When ``expand=False`` this object is simply ignored. :rtype: dict """ filepath = os.path.abspath(filepath) if not os.path.isfile(filepath): raise FileError(f"Configuration file {filepath!r} does not exist.") asdict = load_file(filepath) or {} project_table = asdict.get("project", {}) tool_table = asdict.get("tool", {}) setuptools_table = tool_table.get("setuptools", {}) if not asdict or not (project_table or setuptools_table): return {} # User is not using pyproject to configure setuptools if setuptools_table: # TODO: Remove the following once the feature stabilizes: msg = "Support for `[tool.setuptools]` in `pyproject.toml` is still beta." warnings.warn(msg, _BetaConfiguration) # There is an overall sense in the community that making include_package_data=True # the default would be an improvement. # `ini2toml` backfills include_package_data=False when nothing is explicitly given, # therefore setting a default here is backwards compatible. orig_setuptools_table = setuptools_table.copy() if dist and getattr(dist, "include_package_data") is not None: setuptools_table.setdefault("include-package-data", dist.include_package_data) else: setuptools_table.setdefault("include-package-data", True) # Persist changes: asdict["tool"] = tool_table tool_table["setuptools"] = setuptools_table try: # Don't complain about unrelated errors (e.g. tools not using the "tool" table) subset = {"project": project_table, "tool": {"setuptools": setuptools_table}} validate(subset, filepath) except Exception as ex: # TODO: Remove the following once the feature stabilizes: if _skip_bad_config(project_table, orig_setuptools_table, dist): return {} # TODO: After the previous statement is removed the try/except can be replaced # by the _ignore_errors context manager. if ignore_option_errors: _logger.debug(f"ignored error: {ex.__class__.__name__} - {ex}") else: raise # re-raise exception if expand: root_dir = os.path.dirname(filepath) return expand_configuration(asdict, root_dir, ignore_option_errors, dist) return asdict def _skip_bad_config( project_cfg: dict, setuptools_cfg: dict, dist: Optional["Distribution"] ) -> bool: """Be temporarily forgiving with invalid ``pyproject.toml``""" # See pypa/setuptools#3199 and pypa/cibuildwheel#1064 if dist is None or ( dist.metadata.name is None and dist.metadata.version is None and dist.install_requires is None ): # It seems that the build is not getting any configuration from other places return False if setuptools_cfg: # If `[tool.setuptools]` is set, then `pyproject.toml` config is intentional return False given_config = set(project_cfg.keys()) popular_subset = {"name", "version", "python_requires", "requires-python"} if given_config <= popular_subset: # It seems that the docs in cibuildtool has been inadvertently encouraging users # to create `pyproject.toml` files that are not compliant with the standards. # Let's be forgiving for the time being. warnings.warn(_InvalidFile.message(), _InvalidFile, stacklevel=2) return True return False def expand_configuration( config: dict, root_dir: Optional[_Path] = None, ignore_option_errors: bool = False, dist: Optional["Distribution"] = None, ) -> dict: """Given a configuration with unresolved fields (e.g. dynamic, cmdclass, ...) find their final values. :param dict config: Dict containing the configuration for the distribution :param str root_dir: Top-level directory for the distribution/project (the same directory where ``pyproject.toml`` is place) :param bool ignore_option_errors: see :func:`read_configuration` :param Distribution\|None: Distribution object to which the configuration refers. If not given a dummy object will be created and discarded after the configuration is read. Used in the case a dynamic configuration (e.g. ``attr`` or ``cmdclass``). :rtype: dict """ return _ConfigExpander(config, root_dir, ignore_option_errors, dist).expand() class _ConfigExpander: def __init__( self, config: dict, root_dir: Optional[_Path] = None, ignore_option_errors: bool = False, dist: Optional["Distribution"] = None, ): self.config = config self.root_dir = root_dir or os.getcwd() self.project_cfg = config.get("project", {}) self.dynamic = self.project_cfg.get("dynamic", []) self.setuptools_cfg = config.get("tool", {}).get("setuptools", {}) self.dynamic_cfg = self.setuptools_cfg.get("dynamic", {}) self.ignore_option_errors = ignore_option_errors self._dist = dist def _ensure_dist(self) -> "Distribution": from setuptools.dist import Distribution attrs = {"src_root": self.root_dir, "name": self.project_cfg.get("name", None)} return self._dist or Distribution(attrs) def _process_field(self, container: dict, field: str, fn: Callable): if field in container: with _ignore_errors(self.ignore_option_errors): container[field] = fn(container[field]) def _canonic_package_data(self, field="package-data"): package_data = self.setuptools_cfg.get(field, {}) return _expand.canonic_package_data(package_data) def expand(self): self._expand_packages() self._canonic_package_data() self._canonic_package_data("exclude-package-data") # A distribution object is required for discovering the correct package_dir dist = self._ensure_dist() ctx = _EnsurePackagesDiscovered(dist, self.project_cfg, self.setuptools_cfg) with ctx as ensure_discovered: package_dir = ensure_discovered.package_dir self._expand_data_files() self._expand_cmdclass(package_dir) self._expand_all_dynamic(dist, package_dir) return self.config def _expand_packages(self): packages = self.setuptools_cfg.get("packages") if packages is None or isinstance(packages, (list, tuple)): return find = packages.get("find") if isinstance(find, dict): find["root_dir"] = self.root_dir find["fill_package_dir"] = self.setuptools_cfg.setdefault("package-dir", {}) with _ignore_errors(self.ignore_option_errors): self.setuptools_cfg["packages"] = _expand.find_packages(*find) def _expand_data_files(self): data_files = partial(_expand.canonic_data_files, root_dir=self.root_dir) self._process_field(self.setuptools_cfg, "data-files", data_files) def _expand_cmdclass(self, package_dir: Mapping[str, str]): root_dir = self.root_dir cmdclass = partial(_expand.cmdclass, package_dir=package_dir, root_dir=root_dir) self._process_field(self.setuptools_cfg, "cmdclass", cmdclass) def _expand_all_dynamic(self, dist: "Distribution", package_dir: Mapping[str, str]): special = ( # need special handling "version", "readme", "entry-points", "scripts", "gui-scripts", "classifiers", "dependencies", "optional-dependencies", ) # `_obtain` functions are assumed to raise appropriate exceptions/warnings. obtained_dynamic = { field: self._obtain(dist, field, package_dir) for field in self.dynamic if field not in special } obtained_dynamic.update( self._obtain_entry_points(dist, package_dir) or {}, version=self._obtain_version(dist, package_dir), readme=self._obtain_readme(dist), classifiers=self._obtain_classifiers(dist), dependencies=self._obtain_dependencies(dist), optional_dependencies=self._obtain_optional_dependencies(dist), ) # `None` indicates there is nothing in `tool.setuptools.dynamic` but the value # might have already been set by setup.py/extensions, so avoid overwriting. updates = {k: v for k, v in obtained_dynamic.items() if v is not None} self.project_cfg.update(updates) def _ensure_previously_set(self, dist: "Distribution", field: str): previous = _PREVIOUSLY_DEFINED[field](dist) if previous is None and not self.ignore_option_errors: msg = ( f"No configuration found for dynamic {field!r}.\n" "Some dynamic fields need to be specified via `tool.setuptools.dynamic`" "\nothers must be specified via the equivalent attribute in `setup.py`." ) raise OptionError(msg) def _expand_directive( self, specifier: str, directive, package_dir: Mapping[str, str] ): with _ignore_errors(self.ignore_option_errors): root_dir = self.root_dir if "file" in directive: return _expand.read_files(directive["file"], root_dir) if "attr" in directive: return _expand.read_attr(directive["attr"], package_dir, root_dir) raise ValueError(f"invalid `{specifier}`: {directive!r}") return None def _obtain(self, dist: "Distribution", field: str, package_dir: Mapping[str, str]): if field in self.dynamic_cfg: return self._expand_directive( f"tool.setuptools.dynamic.{field}", self.dynamic_cfg[field], package_dir, ) self._ensure_previously_set(dist, field) return None def _obtain_version(self, dist: "Distribution", package_dir: Mapping[str, str]): # Since plugins can set version, let's silently skip if it cannot be obtained if "version" in self.dynamic and "version" in self.dynamic_cfg: return _expand.version(self._obtain(dist, "version", package_dir)) return None def _obtain_readme(self, dist: "Distribution") -> Optional[Dict[str, str]]: if "readme" not in self.dynamic: return None dynamic_cfg = self.dynamic_cfg if "readme" in dynamic_cfg: return { "text": self._obtain(dist, "readme", {}), "content-type": dynamic_cfg["readme"].get("content-type", "text/x-rst"), } self._ensure_previously_set(dist, "readme") return None def _obtain_entry_points( self, dist: "Distribution", package_dir: Mapping[str, str] ) -> Optional[Dict[str, dict]]: fields = ("entry-points", "scripts", "gui-scripts") if not any(field in self.dynamic for field in fields): return None text = self._obtain(dist, "entry-points", package_dir) if text is None: return None groups = _expand.entry_points(text) expanded = {"entry-points": groups} def _set_scripts(field: str, group: str): if group in groups: value = groups.pop(group) if field not in self.dynamic: msg = _WouldIgnoreField.message(field, value) warnings.warn(msg, _WouldIgnoreField) # TODO: Don't set field when support for pyproject.toml stabilizes # instead raise an error as specified in PEP 621 expanded[field] = value _set_scripts("scripts", "console_scripts") _set_scripts("gui-scripts", "gui_scripts") return expanded def _obtain_classifiers(self, dist: "Distribution"): if "classifiers" in self.dynamic: value = self._obtain(dist, "classifiers", {}) if value: return value.splitlines() return None def _obtain_dependencies(self, dist: "Distribution"): if "dependencies" in self.dynamic: value = self._obtain(dist, "dependencies", {}) if value: return _parse_requirements_list(value) return None def _obtain_optional_dependencies(self, dist: "Distribution"): if "optional-dependencies" not in self.dynamic: return None if "optional-dependencies" in self.dynamic_cfg: optional_dependencies_map = self.dynamic_cfg["optional-dependencies"] assert isinstance(optional_dependencies_map, dict) return { group: _parse_requirements_list(self._expand_directive( f"tool.setuptools.dynamic.optional-dependencies.{group}", directive, {}, )) for group, directive in optional_dependencies_map.items() } self._ensure_previously_set(dist, "optional-dependencies") return None def _parse_requirements_list(value): return [ line for line in value.splitlines() if line.strip() and not line.strip().startswith("#") ] @contextmanager def _ignore_errors(ignore_option_errors: bool): if not ignore_option_errors: yield return try: yield except Exception as ex: _logger.debug(f"ignored error: {ex.__class__.__name__} - {ex}") class _EnsurePackagesDiscovered(_expand.EnsurePackagesDiscovered): def __init__( self, distribution: "Distribution", project_cfg: dict, setuptools_cfg: dict ): super().__init__(distribution) self._project_cfg = project_cfg self._setuptools_cfg = setuptools_cfg def __enter__(self): """When entering the context, the values of ``packages``, ``py_modules`` and ``package_dir`` that are missing in ``dist`` are copied from ``setuptools_cfg``. """ dist, cfg = self._dist, self._setuptools_cfg package_dir: Dict[str, str] = cfg.setdefault("package-dir", {}) package_dir.update(dist.package_dir or {}) dist.package_dir = package_dir # needs to be the same object dist.set_defaults._ignore_ext_modules() # pyproject.toml-specific behaviour # Set `name`, `py_modules` and `packages` in dist to short-circuit # auto-discovery, but avoid overwriting empty lists purposefully set by users. if dist.metadata.name is None: dist.metadata.name = self._project_cfg.get("name") if dist.py_modules is None: dist.py_modules = cfg.get("py-modules") if dist.packages is None: dist.packages = cfg.get("packages") return super().__enter__() def __exit__(self, exc_type, exc_value, traceback): """When exiting the context, if values of ``packages``, ``py_modules`` and ``package_dir`` are missing in ``setuptools_cfg``, copy from ``dist``. """ # If anything was discovered set them back, so they count in the final config. self._setuptools_cfg.setdefault("packages", self._dist.packages) self._setuptools_cfg.setdefault("py-modules", self._dist.py_modules) return super().__exit__(exc_type, exc_value, traceback) class _BetaConfiguration(UserWarning): """Explicitly inform users that some `pyproject.toml` configuration is beta*""" class _InvalidFile(UserWarning): """The given `pyproject.toml` file is invalid and would be ignored. !!\n\n ############################ # Invalid `pyproject.toml` # ############################ Any configurations in `pyproject.toml` will be ignored. Please note that future releases of setuptools will halt the build process if an invalid file is given. To prevent setuptools from considering `pyproject.toml` please DO NOT include the `[project]` or `[tool.setuptools]` tables in your file. \n\n!! """ @classmethod def message(cls): from inspect import cleandoc return cleandoc(cls.__doc__)	18.85 KB	2023-11-13 22:05
📄 setupcfg.py """ Load setuptools configuration from ``setup.cfg`` files. API will be made private in the future """ import os import contextlib import functools import warnings from collections import defaultdict from functools import partial from functools import wraps from typing import (TYPE_CHECKING, Callable, Any, Dict, Generic, Iterable, List, Optional, Tuple, TypeVar, Union) from distutils.errors import DistutilsOptionError, DistutilsFileError from setuptools.extern.packaging.requirements import Requirement, InvalidRequirement from setuptools.extern.packaging.version import Version, InvalidVersion from setuptools.extern.packaging.specifiers import SpecifierSet from setuptools._deprecation_warning import SetuptoolsDeprecationWarning from . import expand if TYPE_CHECKING: from setuptools.dist import Distribution # noqa from distutils.dist import DistributionMetadata # noqa _Path = Union[str, os.PathLike] SingleCommandOptions = Dict["str", Tuple["str", Any]] """Dict that associate the name of the options of a particular command to a tuple. The first element of the tuple indicates the origin of the option value (e.g. the name of the configuration file where it was read from), while the second element of the tuple is the option value itself """ AllCommandOptions = Dict["str", SingleCommandOptions] # cmd name => its options Target = TypeVar("Target", bound=Union["Distribution", "DistributionMetadata"]) def read_configuration( filepath: _Path, find_others=False, ignore_option_errors=False ) -> dict: """Read given configuration file and returns options from it as a dict. :param str\|unicode filepath: Path to configuration file to get options from. :param bool find_others: Whether to search for other configuration files which could be on in various places. :param bool ignore_option_errors: Whether to silently ignore options, values of which could not be resolved (e.g. due to exceptions in directives such as file:, attr:, etc.). If False exceptions are propagated as expected. :rtype: dict """ from setuptools.dist import Distribution dist = Distribution() filenames = dist.find_config_files() if find_others else [] handlers = _apply(dist, filepath, filenames, ignore_option_errors) return configuration_to_dict(handlers) def apply_configuration(dist: "Distribution", filepath: _Path) -> "Distribution": """Apply the configuration from a ``setup.cfg`` file into an existing distribution object. """ _apply(dist, filepath) dist._finalize_requires() return dist def _apply( dist: "Distribution", filepath: _Path, other_files: Iterable[_Path] = (), ignore_option_errors: bool = False, ) -> Tuple["ConfigHandler", ...]: """Read configuration from ``filepath`` and applies to the ``dist`` object.""" from setuptools.dist import _Distribution filepath = os.path.abspath(filepath) if not os.path.isfile(filepath): raise DistutilsFileError('Configuration file %s does not exist.' % filepath) current_directory = os.getcwd() os.chdir(os.path.dirname(filepath)) filenames = [other_files, filepath] try: _Distribution.parse_config_files(dist, filenames=filenames) handlers = parse_configuration( dist, dist.command_options, ignore_option_errors=ignore_option_errors ) dist._finalize_license_files() finally: os.chdir(current_directory) return handlers def _get_option(target_obj: Target, key: str): """ Given a target object and option key, get that option from the target object, either through a get_{key} method or from an attribute directly. """ getter_name = 'get_{key}'.format(locals()) by_attribute = functools.partial(getattr, target_obj, key) getter = getattr(target_obj, getter_name, by_attribute) return getter() def configuration_to_dict(handlers: Tuple["ConfigHandler", ...]) -> dict: """Returns configuration data gathered by given handlers as a dict. :param list[ConfigHandler] handlers: Handlers list, usually from parse_configuration() :rtype: dict """ config_dict: dict = defaultdict(dict) for handler in handlers: for option in handler.set_options: value = _get_option(handler.target_obj, option) config_dict[handler.section_prefix][option] = value return config_dict def parse_configuration( distribution: "Distribution", command_options: AllCommandOptions, ignore_option_errors=False ) -> Tuple["ConfigMetadataHandler", "ConfigOptionsHandler"]: """Performs additional parsing of configuration options for a distribution. Returns a list of used option handlers. :param Distribution distribution: :param dict command_options: :param bool ignore_option_errors: Whether to silently ignore options, values of which could not be resolved (e.g. due to exceptions in directives such as file:, attr:, etc.). If False exceptions are propagated as expected. :rtype: list """ with expand.EnsurePackagesDiscovered(distribution) as ensure_discovered: options = ConfigOptionsHandler( distribution, command_options, ignore_option_errors, ensure_discovered, ) options.parse() if not distribution.package_dir: distribution.package_dir = options.package_dir # Filled by `find_packages` meta = ConfigMetadataHandler( distribution.metadata, command_options, ignore_option_errors, ensure_discovered, distribution.package_dir, distribution.src_root, ) meta.parse() return meta, options def _warn_accidental_env_marker_misconfig(label: str, orig_value: str, parsed: list): """Because users sometimes misinterpret this configuration: [options.extras_require] foo = bar;python_version<"4" It looks like one requirement with an environment marker but because there is no newline, it's parsed as two requirements with a semicolon as separator. Therefore, if: input string does not contain a newline AND * parsed result contains two requirements AND * parsing of the two parts from the result ("<first>;<second>") leads in a valid Requirement with a valid marker a UserWarning is shown to inform the user about the possible problem. """ if "\n" in orig_value or len(parsed) != 2: return with contextlib.suppress(InvalidRequirement): original_requirements_str = ";".join(parsed) req = Requirement(original_requirements_str) if req.marker is not None: msg = ( f"One of the parsed requirements in `{label}` " f"looks like a valid environment marker: '{parsed[1]}'\n" "Make sure that the config is correct and check " "https://setuptools.pypa.io/en/latest/userguide/declarative_config.html#opt-2" # noqa: E501 ) warnings.warn(msg, UserWarning) class ConfigHandler(Generic[Target]): """Handles metadata supplied in configuration files.""" section_prefix: str """Prefix for config sections handled by this handler. Must be provided by class heirs. """ aliases: Dict[str, str] = {} """Options aliases. For compatibility with various packages. E.g.: d2to1 and pbr. Note: `-` in keys is replaced with `_` by config parser. """ def __init__( self, target_obj: Target, options: AllCommandOptions, ignore_option_errors, ensure_discovered: expand.EnsurePackagesDiscovered, ): sections: AllCommandOptions = {} section_prefix = self.section_prefix for section_name, section_options in options.items(): if not section_name.startswith(section_prefix): continue section_name = section_name.replace(section_prefix, '').strip('.') sections[section_name] = section_options self.ignore_option_errors = ignore_option_errors self.target_obj = target_obj self.sections = sections self.set_options: List[str] = [] self.ensure_discovered = ensure_discovered @property def parsers(self): """Metadata item name to parser function mapping.""" raise NotImplementedError( '%s must provide .parsers property' % self.__class__.__name__ ) def __setitem__(self, option_name, value): unknown = tuple() target_obj = self.target_obj # Translate alias into real name. option_name = self.aliases.get(option_name, option_name) current_value = getattr(target_obj, option_name, unknown) if current_value is unknown: raise KeyError(option_name) if current_value: # Already inhabited. Skipping. return skip_option = False parser = self.parsers.get(option_name) if parser: try: value = parser(value) except Exception: skip_option = True if not self.ignore_option_errors: raise if skip_option: return setter = getattr(target_obj, 'set_%s' % option_name, None) if setter is None: setattr(target_obj, option_name, value) else: setter(value) self.set_options.append(option_name) @classmethod def _parse_list(cls, value, separator=','): """Represents value as a list. Value is split either by separator (defaults to comma) or by lines. :param value: :param separator: List items separator character. :rtype: list """ if isinstance(value, list): # _get_parser_compound case return value if '\n' in value: value = value.splitlines() else: value = value.split(separator) return [chunk.strip() for chunk in value if chunk.strip()] @classmethod def _parse_dict(cls, value): """Represents value as a dict. :param value: :rtype: dict """ separator = '=' result = {} for line in cls._parse_list(value): key, sep, val = line.partition(separator) if sep != separator: raise DistutilsOptionError( 'Unable to parse option value to dict: %s' % value ) result[key.strip()] = val.strip() return result @classmethod def _parse_bool(cls, value): """Represents value as boolean. :param value: :rtype: bool """ value = value.lower() return value in ('1', 'true', 'yes') @classmethod def _exclude_files_parser(cls, key): """Returns a parser function to make sure field inputs are not files. Parses a value after getting the key so error messages are more informative. :param key: :rtype: callable """ def parser(value): exclude_directive = 'file:' if value.startswith(exclude_directive): raise ValueError( 'Only strings are accepted for the {0} field, ' 'files are not accepted'.format(key) ) return value return parser @classmethod def _parse_file(cls, value, root_dir: _Path): """Represents value as a string, allowing including text from nearest files using `file:` directive. Directive is sandboxed and won't reach anything outside directory with setup.py. Examples: file: README.rst, CHANGELOG.md, src/file.txt :param str value: :rtype: str """ include_directive = 'file:' if not isinstance(value, str): return value if not value.startswith(include_directive): return value spec = value[len(include_directive) :] filepaths = (path.strip() for path in spec.split(',')) return expand.read_files(filepaths, root_dir) def _parse_attr(self, value, package_dir, root_dir: _Path): """Represents value as a module attribute. Examples: attr: package.attr attr: package.module.attr :param str value: :rtype: str """ attr_directive = 'attr:' if not value.startswith(attr_directive): return value attr_desc = value.replace(attr_directive, '') # Make sure package_dir is populated correctly, so `attr:` directives can work package_dir.update(self.ensure_discovered.package_dir) return expand.read_attr(attr_desc, package_dir, root_dir) @classmethod def _get_parser_compound(cls, parse_methods): """Returns parser function to represents value as a list. Parses a value applying given methods one after another. :param parse_methods: :rtype: callable """ def parse(value): parsed = value for method in parse_methods: parsed = method(parsed) return parsed return parse @classmethod def _parse_section_to_dict_with_key(cls, section_options, values_parser): """Parses section options into a dictionary. Applies a given parser to each option in a section. :param dict section_options: :param callable values_parser: function with 2 args corresponding to key, value :rtype: dict """ value = {} for key, (_, val) in section_options.items(): value[key] = values_parser(key, val) return value @classmethod def _parse_section_to_dict(cls, section_options, values_parser=None): """Parses section options into a dictionary. Optionally applies a given parser to each value. :param dict section_options: :param callable values_parser: function with 1 arg corresponding to option value :rtype: dict """ parser = (lambda _, v: values_parser(v)) if values_parser else (lambda _, v: v) return cls._parse_section_to_dict_with_key(section_options, parser) def parse_section(self, section_options): """Parses configuration file section. :param dict section_options: """ for (name, (_, value)) in section_options.items(): with contextlib.suppress(KeyError): # Keep silent for a new option may appear anytime. self[name] = value def parse(self): """Parses configuration file items from one or more related sections. """ for section_name, section_options in self.sections.items(): method_postfix = '' if section_name: # [section.option] variant method_postfix = '_%s' % section_name section_parser_method: Optional[Callable] = getattr( self, # Dots in section names are translated into dunderscores. ('parse_section%s' % method_postfix).replace('.', '__'), None, ) if section_parser_method is None: raise DistutilsOptionError( 'Unsupported distribution option section: [%s.%s]' % (self.section_prefix, section_name) ) section_parser_method(section_options) def _deprecated_config_handler(self, func, msg, warning_class): """this function will wrap around parameters that are deprecated :param msg: deprecation message :param warning_class: class of warning exception to be raised :param func: function to be wrapped around """ @wraps(func) def config_handler(args, *kwargs): warnings.warn(msg, warning_class) return func(args, kwargs) return config_handler class ConfigMetadataHandler(ConfigHandler["DistributionMetadata"]): section_prefix = 'metadata' aliases = { 'home_page': 'url', 'summary': 'description', 'classifier': 'classifiers', 'platform': 'platforms', } strict_mode = False """We need to keep it loose, to be partially compatible with `pbr` and `d2to1` packages which also uses `metadata` section. """ def __init__( self, target_obj: "DistributionMetadata", options: AllCommandOptions, ignore_option_errors: bool, ensure_discovered: expand.EnsurePackagesDiscovered, package_dir: Optional[dict] = None, root_dir: _Path = os.curdir ): super().__init__(target_obj, options, ignore_option_errors, ensure_discovered) self.package_dir = package_dir self.root_dir = root_dir @property def parsers(self): """Metadata item name to parser function mapping.""" parse_list = self._parse_list parse_file = partial(self._parse_file, root_dir=self.root_dir) parse_dict = self._parse_dict exclude_files_parser = self._exclude_files_parser return { 'platforms': parse_list, 'keywords': parse_list, 'provides': parse_list, 'requires': self._deprecated_config_handler( parse_list, "The requires parameter is deprecated, please use " "install_requires for runtime dependencies.", SetuptoolsDeprecationWarning, ), 'obsoletes': parse_list, 'classifiers': self._get_parser_compound(parse_file, parse_list), 'license': exclude_files_parser('license'), 'license_file': self._deprecated_config_handler( exclude_files_parser('license_file'), "The license_file parameter is deprecated, " "use license_files instead.", SetuptoolsDeprecationWarning, ), 'license_files': parse_list, 'description': parse_file, 'long_description': parse_file, 'version': self._parse_version, 'project_urls': parse_dict, } def _parse_version(self, value): """Parses `version` option value. :param value: :rtype: str """ version = self._parse_file(value, self.root_dir) if version != value: version = version.strip() # Be strict about versions loaded from file because it's easy to # accidentally include newlines and other unintended content try: Version(version) except InvalidVersion: tmpl = ( 'Version loaded from {value} does not ' 'comply with PEP 440: {version}' ) raise DistutilsOptionError(tmpl.format(locals())) return version return expand.version(self._parse_attr(value, self.package_dir, self.root_dir)) class ConfigOptionsHandler(ConfigHandler["Distribution"]): section_prefix = 'options' def __init__( self, target_obj: "Distribution", options: AllCommandOptions, ignore_option_errors: bool, ensure_discovered: expand.EnsurePackagesDiscovered, ): super().__init__(target_obj, options, ignore_option_errors, ensure_discovered) self.root_dir = target_obj.src_root self.package_dir: Dict[str, str] = {} # To be filled by `find_packages` @classmethod def _parse_list_semicolon(cls, value): return cls._parse_list(value, separator=';') def _parse_file_in_root(self, value): return self._parse_file(value, root_dir=self.root_dir) def _parse_requirements_list(self, label: str, value: str): # Parse a requirements list, either by reading in a `file:`, or a list. parsed = self._parse_list_semicolon(self._parse_file_in_root(value)) _warn_accidental_env_marker_misconfig(label, value, parsed) # Filter it to only include lines that are not comments. `parse_list` # will have stripped each line and filtered out empties. return [line for line in parsed if not line.startswith("#")] @property def parsers(self): """Metadata item name to parser function mapping.""" parse_list = self._parse_list parse_bool = self._parse_bool parse_dict = self._parse_dict parse_cmdclass = self._parse_cmdclass return { 'zip_safe': parse_bool, 'include_package_data': parse_bool, 'package_dir': parse_dict, 'scripts': parse_list, 'eager_resources': parse_list, 'dependency_links': parse_list, 'namespace_packages': self._deprecated_config_handler( parse_list, "The namespace_packages parameter is deprecated, " "consider using implicit namespaces instead (PEP 420).", SetuptoolsDeprecationWarning, ), 'install_requires': partial( self._parse_requirements_list, "install_requires" ), 'setup_requires': self._parse_list_semicolon, 'tests_require': self._parse_list_semicolon, 'packages': self._parse_packages, 'entry_points': self._parse_file_in_root, 'py_modules': parse_list, 'python_requires': SpecifierSet, 'cmdclass': parse_cmdclass, } def _parse_cmdclass(self, value): package_dir = self.ensure_discovered.package_dir return expand.cmdclass(self._parse_dict(value), package_dir, self.root_dir) def _parse_packages(self, value): """Parses `packages` option value. :param value: :rtype: list """ find_directives = ['find:', 'find_namespace:'] trimmed_value = value.strip() if trimmed_value not in find_directives: return self._parse_list(value) # Read function arguments from a dedicated section. find_kwargs = self.parse_section_packages__find( self.sections.get('packages.find', {}) ) find_kwargs.update( namespaces=(trimmed_value == find_directives[1]), root_dir=self.root_dir, fill_package_dir=self.package_dir, ) return expand.find_packages(**find_kwargs) def parse_section_packages__find(self, section_options): """Parses `packages.find` configuration file section. To be used in conjunction with _parse_packages(). :param dict section_options: """ section_data = self._parse_section_to_dict(section_options, self._parse_list) valid_keys = ['where', 'include', 'exclude'] find_kwargs = dict( [(k, v) for k, v in section_data.items() if k in valid_keys and v] ) where = find_kwargs.get('where') if where is not None: find_kwargs['where'] = where[0] # cast list to single val return find_kwargs def parse_section_entry_points(self, section_options): """Parses `entry_points` configuration file section. :param dict section_options: """ parsed = self._parse_section_to_dict(section_options, self._parse_list) self['entry_points'] = parsed def _parse_package_data(self, section_options): package_data = self._parse_section_to_dict(section_options, self._parse_list) return expand.canonic_package_data(package_data) def parse_section_package_data(self, section_options): """Parses `package_data` configuration file section. :param dict section_options: """ self['package_data'] = self._parse_package_data(section_options) def parse_section_exclude_package_data(self, section_options): """Parses `exclude_package_data` configuration file section. :param dict section_options: """ self['exclude_package_data'] = self._parse_package_data(section_options) def parse_section_extras_require(self, section_options): """Parses `extras_require` configuration file section. :param dict section_options: """ parsed = self._parse_section_to_dict_with_key( section_options, lambda k, v: self._parse_requirements_list(f"extras_require[{k}]", v) ) self['extras_require'] = parsed def parse_section_data_files(self, section_options): """Parses `data_files` configuration file section. :param dict section_options: """ parsed = self._parse_section_to_dict(section_options, self._parse_list) self['data_files'] = expand.canonic_data_files(parsed, self.root_dir)	24.61 KB	2023-11-13 22:05

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