From 9468226a9e2e2ab8cdd599f1d8538e860ca86120 Mon Sep 17 00:00:00 2001 From: Biswakalyan Bhuyan Date: Sun, 13 Nov 2022 23:46:45 +0530 Subject: id card generator --- .../setuptools/config/_apply_pyprojecttoml.py | 377 +++++++++++++++++++++ 1 file changed, 377 insertions(+) create mode 100644 env/lib/python3.10/site-packages/setuptools/config/_apply_pyprojecttoml.py (limited to 'env/lib/python3.10/site-packages/setuptools/config/_apply_pyprojecttoml.py') diff --git a/env/lib/python3.10/site-packages/setuptools/config/_apply_pyprojecttoml.py b/env/lib/python3.10/site-packages/setuptools/config/_apply_pyprojecttoml.py new file mode 100644 index 0000000..8af5561 --- /dev/null +++ b/env/lib/python3.10/site-packages/setuptools/config/_apply_pyprojecttoml.py @@ -0,0 +1,377 @@ +"""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)) -- cgit v1.2.3-59-g8ed1b