Tipragot
628be439b8
Cela permet de ne pas avoir de problèmes de compatibilité car python est dans le git.
938 lines
35 KiB
Python
938 lines
35 KiB
Python
"""isort/settings.py.
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Defines how the default settings for isort should be loaded
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"""
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import configparser
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import fnmatch
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import os
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import posixpath
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import re
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import stat
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import subprocess # nosec: Needed for gitignore support.
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import sys
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from dataclasses import dataclass, field
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from functools import lru_cache
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from pathlib import Path
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from typing import (
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TYPE_CHECKING,
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Any,
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Callable,
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Dict,
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FrozenSet,
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Iterable,
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List,
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Optional,
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Pattern,
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Set,
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Tuple,
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Type,
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Union,
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)
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from warnings import warn
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from . import sorting, stdlibs
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from .exceptions import (
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FormattingPluginDoesNotExist,
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InvalidSettingsPath,
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ProfileDoesNotExist,
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SortingFunctionDoesNotExist,
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UnsupportedSettings,
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)
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from .profiles import profiles as profiles
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from .sections import DEFAULT as SECTION_DEFAULTS
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from .sections import FIRSTPARTY, FUTURE, LOCALFOLDER, STDLIB, THIRDPARTY
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from .utils import Trie
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from .wrap_modes import WrapModes
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from .wrap_modes import from_string as wrap_mode_from_string
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if TYPE_CHECKING:
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tomli: Any
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else:
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from ._vendored import tomli
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_SHEBANG_RE = re.compile(rb"^#!.*\bpython[23w]?\b")
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CYTHON_EXTENSIONS = frozenset({"pyx", "pxd"})
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SUPPORTED_EXTENSIONS = frozenset({"py", "pyi", *CYTHON_EXTENSIONS})
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BLOCKED_EXTENSIONS = frozenset({"pex"})
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FILE_SKIP_COMMENTS: Tuple[str, ...] = (
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"isort:" + "skip_file",
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"isort: " + "skip_file",
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) # Concatenated to avoid this file being skipped
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MAX_CONFIG_SEARCH_DEPTH: int = 25 # The number of parent directories to for a config file within
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STOP_CONFIG_SEARCH_ON_DIRS: Tuple[str, ...] = (".git", ".hg")
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VALID_PY_TARGETS: Tuple[str, ...] = tuple(
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target.replace("py", "") for target in dir(stdlibs) if not target.startswith("_")
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)
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CONFIG_SOURCES: Tuple[str, ...] = (
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".isort.cfg",
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"pyproject.toml",
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"setup.cfg",
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"tox.ini",
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".editorconfig",
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)
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DEFAULT_SKIP: FrozenSet[str] = frozenset(
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{
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".venv",
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"venv",
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".tox",
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".eggs",
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".git",
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".hg",
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".mypy_cache",
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".nox",
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".svn",
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".bzr",
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"_build",
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"buck-out",
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"build",
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"dist",
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".pants.d",
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".direnv",
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"node_modules",
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"__pypackages__",
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}
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)
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CONFIG_SECTIONS: Dict[str, Tuple[str, ...]] = {
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".isort.cfg": ("settings", "isort"),
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"pyproject.toml": ("tool.isort",),
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"setup.cfg": ("isort", "tool:isort"),
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"tox.ini": ("isort", "tool:isort"),
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".editorconfig": ("*", "*.py", "**.py", "*.{py}"),
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}
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FALLBACK_CONFIG_SECTIONS: Tuple[str, ...] = ("isort", "tool:isort", "tool.isort")
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IMPORT_HEADING_PREFIX = "import_heading_"
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IMPORT_FOOTER_PREFIX = "import_footer_"
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KNOWN_PREFIX = "known_"
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KNOWN_SECTION_MAPPING: Dict[str, str] = {
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STDLIB: "STANDARD_LIBRARY",
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FUTURE: "FUTURE_LIBRARY",
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FIRSTPARTY: "FIRST_PARTY",
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THIRDPARTY: "THIRD_PARTY",
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LOCALFOLDER: "LOCAL_FOLDER",
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}
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RUNTIME_SOURCE = "runtime"
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DEPRECATED_SETTINGS = ("not_skip", "keep_direct_and_as_imports")
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_STR_BOOLEAN_MAPPING = {
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"y": True,
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"yes": True,
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"t": True,
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"on": True,
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"1": True,
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"true": True,
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"n": False,
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"no": False,
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"f": False,
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"off": False,
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"0": False,
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"false": False,
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}
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@dataclass(frozen=True)
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class _Config:
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"""Defines the data schema and defaults used for isort configuration.
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NOTE: known lists, such as known_standard_library, are intentionally not complete as they are
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dynamically determined later on.
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"""
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py_version: str = "3"
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force_to_top: FrozenSet[str] = frozenset()
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skip: FrozenSet[str] = DEFAULT_SKIP
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extend_skip: FrozenSet[str] = frozenset()
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skip_glob: FrozenSet[str] = frozenset()
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extend_skip_glob: FrozenSet[str] = frozenset()
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skip_gitignore: bool = False
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line_length: int = 79
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wrap_length: int = 0
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line_ending: str = ""
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sections: Tuple[str, ...] = SECTION_DEFAULTS
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no_sections: bool = False
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known_future_library: FrozenSet[str] = frozenset(("__future__",))
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known_third_party: FrozenSet[str] = frozenset()
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known_first_party: FrozenSet[str] = frozenset()
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known_local_folder: FrozenSet[str] = frozenset()
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known_standard_library: FrozenSet[str] = frozenset()
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extra_standard_library: FrozenSet[str] = frozenset()
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known_other: Dict[str, FrozenSet[str]] = field(default_factory=dict)
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multi_line_output: WrapModes = WrapModes.GRID # type: ignore
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forced_separate: Tuple[str, ...] = ()
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indent: str = " " * 4
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comment_prefix: str = " #"
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length_sort: bool = False
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length_sort_straight: bool = False
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length_sort_sections: FrozenSet[str] = frozenset()
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add_imports: FrozenSet[str] = frozenset()
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remove_imports: FrozenSet[str] = frozenset()
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append_only: bool = False
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reverse_relative: bool = False
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force_single_line: bool = False
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single_line_exclusions: Tuple[str, ...] = ()
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default_section: str = THIRDPARTY
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import_headings: Dict[str, str] = field(default_factory=dict)
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import_footers: Dict[str, str] = field(default_factory=dict)
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balanced_wrapping: bool = False
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use_parentheses: bool = False
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order_by_type: bool = True
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atomic: bool = False
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lines_before_imports: int = -1
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lines_after_imports: int = -1
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lines_between_sections: int = 1
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lines_between_types: int = 0
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combine_as_imports: bool = False
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combine_star: bool = False
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include_trailing_comma: bool = False
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from_first: bool = False
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verbose: bool = False
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quiet: bool = False
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force_adds: bool = False
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force_alphabetical_sort_within_sections: bool = False
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force_alphabetical_sort: bool = False
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force_grid_wrap: int = 0
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force_sort_within_sections: bool = False
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lexicographical: bool = False
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group_by_package: bool = False
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ignore_whitespace: bool = False
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no_lines_before: FrozenSet[str] = frozenset()
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no_inline_sort: bool = False
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ignore_comments: bool = False
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case_sensitive: bool = False
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sources: Tuple[Dict[str, Any], ...] = ()
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virtual_env: str = ""
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conda_env: str = ""
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ensure_newline_before_comments: bool = False
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directory: str = ""
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profile: str = ""
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honor_noqa: bool = False
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src_paths: Tuple[Path, ...] = ()
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old_finders: bool = False
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remove_redundant_aliases: bool = False
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float_to_top: bool = False
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filter_files: bool = False
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formatter: str = ""
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formatting_function: Optional[Callable[[str, str, object], str]] = None
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color_output: bool = False
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treat_comments_as_code: FrozenSet[str] = frozenset()
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treat_all_comments_as_code: bool = False
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supported_extensions: FrozenSet[str] = SUPPORTED_EXTENSIONS
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blocked_extensions: FrozenSet[str] = BLOCKED_EXTENSIONS
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constants: FrozenSet[str] = frozenset()
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classes: FrozenSet[str] = frozenset()
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variables: FrozenSet[str] = frozenset()
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dedup_headings: bool = False
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only_sections: bool = False
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only_modified: bool = False
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combine_straight_imports: bool = False
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auto_identify_namespace_packages: bool = True
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namespace_packages: FrozenSet[str] = frozenset()
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follow_links: bool = True
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indented_import_headings: bool = True
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honor_case_in_force_sorted_sections: bool = False
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sort_relative_in_force_sorted_sections: bool = False
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overwrite_in_place: bool = False
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reverse_sort: bool = False
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star_first: bool = False
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import_dependencies = Dict[str, str]
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git_ls_files: Dict[Path, Set[str]] = field(default_factory=dict)
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format_error: str = "{error}: {message}"
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format_success: str = "{success}: {message}"
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sort_order: str = "natural"
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sort_reexports: bool = False
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split_on_trailing_comma: bool = False
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def __post_init__(self) -> None:
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py_version = self.py_version
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if py_version == "auto": # pragma: no cover
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if sys.version_info.major == 2 and sys.version_info.minor <= 6:
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py_version = "2"
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elif sys.version_info.major == 3 and (
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sys.version_info.minor <= 5 or sys.version_info.minor >= 12
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):
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py_version = "3"
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else:
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py_version = f"{sys.version_info.major}{sys.version_info.minor}"
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if py_version not in VALID_PY_TARGETS:
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raise ValueError(
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f"The python version {py_version} is not supported. "
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"You can set a python version with the -py or --python-version flag. "
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f"The following versions are supported: {VALID_PY_TARGETS}"
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)
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if py_version != "all":
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object.__setattr__(self, "py_version", f"py{py_version}")
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if not self.known_standard_library:
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object.__setattr__(
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self, "known_standard_library", frozenset(getattr(stdlibs, self.py_version).stdlib)
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)
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if self.multi_line_output == WrapModes.VERTICAL_GRID_GROUPED_NO_COMMA: # type: ignore
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vertical_grid_grouped = WrapModes.VERTICAL_GRID_GROUPED # type: ignore
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object.__setattr__(self, "multi_line_output", vertical_grid_grouped)
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if self.force_alphabetical_sort:
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object.__setattr__(self, "force_alphabetical_sort_within_sections", True)
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object.__setattr__(self, "no_sections", True)
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object.__setattr__(self, "lines_between_types", 1)
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object.__setattr__(self, "from_first", True)
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if self.wrap_length > self.line_length:
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raise ValueError(
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"wrap_length must be set lower than or equal to line_length: "
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f"{self.wrap_length} > {self.line_length}."
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)
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def __hash__(self) -> int:
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return id(self)
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_DEFAULT_SETTINGS = {**vars(_Config()), "source": "defaults"}
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class Config(_Config):
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def __init__(
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self,
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settings_file: str = "",
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settings_path: str = "",
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config: Optional[_Config] = None,
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**config_overrides: Any,
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):
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self._known_patterns: Optional[List[Tuple[Pattern[str], str]]] = None
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self._section_comments: Optional[Tuple[str, ...]] = None
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self._section_comments_end: Optional[Tuple[str, ...]] = None
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self._skips: Optional[FrozenSet[str]] = None
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self._skip_globs: Optional[FrozenSet[str]] = None
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self._sorting_function: Optional[Callable[..., List[str]]] = None
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if config:
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config_vars = vars(config).copy()
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config_vars.update(config_overrides)
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config_vars["py_version"] = config_vars["py_version"].replace("py", "")
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config_vars.pop("_known_patterns")
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config_vars.pop("_section_comments")
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config_vars.pop("_section_comments_end")
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config_vars.pop("_skips")
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config_vars.pop("_skip_globs")
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config_vars.pop("_sorting_function")
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super().__init__(**config_vars)
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return
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# We can't use self.quiet to conditionally show warnings before super.__init__() is called
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# at the end of this method. _Config is also frozen so setting self.quiet isn't possible.
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# Therefore we extract quiet early here in a variable and use that in warning conditions.
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quiet = config_overrides.get("quiet", False)
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sources: List[Dict[str, Any]] = [_DEFAULT_SETTINGS]
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config_settings: Dict[str, Any]
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project_root: str
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if settings_file:
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config_settings = _get_config_data(
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settings_file,
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CONFIG_SECTIONS.get(os.path.basename(settings_file), FALLBACK_CONFIG_SECTIONS),
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)
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project_root = os.path.dirname(settings_file)
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if not config_settings and not quiet:
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warn(
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f"A custom settings file was specified: {settings_file} but no configuration "
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"was found inside. This can happen when [settings] is used as the config "
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"header instead of [isort]. "
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"See: https://pycqa.github.io/isort/docs/configuration/config_files"
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"/#custom_config_files for more information."
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)
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elif settings_path:
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if not os.path.exists(settings_path):
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raise InvalidSettingsPath(settings_path)
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settings_path = os.path.abspath(settings_path)
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project_root, config_settings = _find_config(settings_path)
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else:
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config_settings = {}
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project_root = os.getcwd()
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profile_name = config_overrides.get("profile", config_settings.get("profile", ""))
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profile: Dict[str, Any] = {}
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if profile_name:
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if profile_name not in profiles:
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import pkg_resources
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for plugin in pkg_resources.iter_entry_points("isort.profiles"):
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profiles.setdefault(plugin.name, plugin.load())
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if profile_name not in profiles:
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raise ProfileDoesNotExist(profile_name)
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profile = profiles[profile_name].copy()
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profile["source"] = f"{profile_name} profile"
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sources.append(profile)
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if config_settings:
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sources.append(config_settings)
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if config_overrides:
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config_overrides["source"] = RUNTIME_SOURCE
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sources.append(config_overrides)
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combined_config = {**profile, **config_settings, **config_overrides}
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if "indent" in combined_config:
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indent = str(combined_config["indent"])
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if indent.isdigit():
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indent = " " * int(indent)
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else:
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indent = indent.strip("'").strip('"')
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if indent.lower() == "tab":
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indent = "\t"
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combined_config["indent"] = indent
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known_other = {}
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import_headings = {}
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import_footers = {}
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for key, value in tuple(combined_config.items()):
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# Collect all known sections beyond those that have direct entries
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if key.startswith(KNOWN_PREFIX) and key not in (
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"known_standard_library",
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"known_future_library",
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"known_third_party",
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"known_first_party",
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"known_local_folder",
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):
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import_heading = key[len(KNOWN_PREFIX) :].lower()
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maps_to_section = import_heading.upper()
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combined_config.pop(key)
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if maps_to_section in KNOWN_SECTION_MAPPING:
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section_name = f"known_{KNOWN_SECTION_MAPPING[maps_to_section].lower()}"
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if section_name in combined_config and not quiet:
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warn(
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f"Can't set both {key} and {section_name} in the same config file.\n"
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f"Default to {section_name} if unsure."
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"\n\n"
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"See: https://pycqa.github.io/isort/"
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"#custom-sections-and-ordering."
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)
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else:
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combined_config[section_name] = frozenset(value)
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else:
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known_other[import_heading] = frozenset(value)
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if maps_to_section not in combined_config.get("sections", ()) and not quiet:
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warn(
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f"`{key}` setting is defined, but {maps_to_section} is not"
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" included in `sections` config option:"
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f" {combined_config.get('sections', SECTION_DEFAULTS)}.\n\n"
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"See: https://pycqa.github.io/isort/"
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"#custom-sections-and-ordering."
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)
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if key.startswith(IMPORT_HEADING_PREFIX):
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import_headings[key[len(IMPORT_HEADING_PREFIX) :].lower()] = str(value)
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if key.startswith(IMPORT_FOOTER_PREFIX):
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import_footers[key[len(IMPORT_FOOTER_PREFIX) :].lower()] = str(value)
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# Coerce all provided config values into their correct type
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default_value = _DEFAULT_SETTINGS.get(key, None)
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if default_value is None:
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continue
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combined_config[key] = type(default_value)(value)
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for section in combined_config.get("sections", ()):
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if section in SECTION_DEFAULTS:
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continue
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if not section.lower() in known_other:
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config_keys = ", ".join(known_other.keys())
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warn(
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f"`sections` setting includes {section}, but no known_{section.lower()} "
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"is defined. "
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f"The following known_SECTION config options are defined: {config_keys}."
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)
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if "directory" not in combined_config:
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combined_config["directory"] = (
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os.path.dirname(config_settings["source"])
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if config_settings.get("source", None)
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else os.getcwd()
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)
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path_root = Path(combined_config.get("directory", project_root)).resolve()
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path_root = path_root if path_root.is_dir() else path_root.parent
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if "src_paths" not in combined_config:
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combined_config["src_paths"] = (path_root / "src", path_root)
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else:
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src_paths: List[Path] = []
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for src_path in combined_config.get("src_paths", ()):
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full_paths = (
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path_root.glob(src_path) if "*" in str(src_path) else [path_root / src_path]
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)
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for path in full_paths:
|
|
if path not in src_paths:
|
|
src_paths.append(path)
|
|
|
|
combined_config["src_paths"] = tuple(src_paths)
|
|
|
|
if "formatter" in combined_config:
|
|
import pkg_resources
|
|
|
|
for plugin in pkg_resources.iter_entry_points("isort.formatters"):
|
|
if plugin.name == combined_config["formatter"]:
|
|
combined_config["formatting_function"] = plugin.load()
|
|
break
|
|
else:
|
|
raise FormattingPluginDoesNotExist(combined_config["formatter"])
|
|
|
|
# Remove any config values that are used for creating config object but
|
|
# aren't defined in dataclass
|
|
combined_config.pop("source", None)
|
|
combined_config.pop("sources", None)
|
|
combined_config.pop("runtime_src_paths", None)
|
|
|
|
deprecated_options_used = [
|
|
option for option in combined_config if option in DEPRECATED_SETTINGS
|
|
]
|
|
if deprecated_options_used:
|
|
for deprecated_option in deprecated_options_used:
|
|
combined_config.pop(deprecated_option)
|
|
if not quiet:
|
|
warn(
|
|
"W0503: Deprecated config options were used: "
|
|
f"{', '.join(deprecated_options_used)}."
|
|
"Please see the 5.0.0 upgrade guide: "
|
|
"https://pycqa.github.io/isort/docs/upgrade_guides/5.0.0.html"
|
|
)
|
|
|
|
if known_other:
|
|
combined_config["known_other"] = known_other
|
|
if import_headings:
|
|
for import_heading_key in import_headings:
|
|
combined_config.pop(f"{IMPORT_HEADING_PREFIX}{import_heading_key}")
|
|
combined_config["import_headings"] = import_headings
|
|
if import_footers:
|
|
for import_footer_key in import_footers:
|
|
combined_config.pop(f"{IMPORT_FOOTER_PREFIX}{import_footer_key}")
|
|
combined_config["import_footers"] = import_footers
|
|
|
|
unsupported_config_errors = {}
|
|
for option in set(combined_config.keys()).difference(
|
|
getattr(_Config, "__dataclass_fields__", {}).keys()
|
|
):
|
|
for source in reversed(sources):
|
|
if option in source:
|
|
unsupported_config_errors[option] = {
|
|
"value": source[option],
|
|
"source": source["source"],
|
|
}
|
|
if unsupported_config_errors:
|
|
raise UnsupportedSettings(unsupported_config_errors)
|
|
|
|
super().__init__(sources=tuple(sources), **combined_config)
|
|
|
|
def is_supported_filetype(self, file_name: str) -> bool:
|
|
_root, ext = os.path.splitext(file_name)
|
|
ext = ext.lstrip(".")
|
|
if ext in self.supported_extensions:
|
|
return True
|
|
if ext in self.blocked_extensions:
|
|
return False
|
|
|
|
# Skip editor backup files.
|
|
if file_name.endswith("~"):
|
|
return False
|
|
|
|
try:
|
|
if stat.S_ISFIFO(os.stat(file_name).st_mode):
|
|
return False
|
|
except OSError:
|
|
pass
|
|
|
|
try:
|
|
with open(file_name, "rb") as fp:
|
|
line = fp.readline(100)
|
|
except OSError:
|
|
return False
|
|
else:
|
|
return bool(_SHEBANG_RE.match(line))
|
|
|
|
def _check_folder_git_ls_files(self, folder: str) -> Optional[Path]:
|
|
env = {**os.environ, "LANG": "C.UTF-8"}
|
|
try:
|
|
topfolder_result = subprocess.check_output( # nosec # skipcq: PYL-W1510
|
|
["git", "-C", folder, "rev-parse", "--show-toplevel"], encoding="utf-8", env=env
|
|
)
|
|
except subprocess.CalledProcessError:
|
|
return None
|
|
|
|
git_folder = Path(topfolder_result.rstrip()).resolve()
|
|
|
|
# files committed to git
|
|
tracked_files = (
|
|
subprocess.check_output( # nosec # skipcq: PYL-W1510
|
|
["git", "-C", str(git_folder), "ls-files", "-z"],
|
|
encoding="utf-8",
|
|
env=env,
|
|
)
|
|
.rstrip("\0")
|
|
.split("\0")
|
|
)
|
|
# files that haven't been committed yet, but aren't ignored
|
|
tracked_files_others = (
|
|
subprocess.check_output( # nosec # skipcq: PYL-W1510
|
|
["git", "-C", str(git_folder), "ls-files", "-z", "--others", "--exclude-standard"],
|
|
encoding="utf-8",
|
|
env=env,
|
|
)
|
|
.rstrip("\0")
|
|
.split("\0")
|
|
)
|
|
|
|
self.git_ls_files[git_folder] = {
|
|
str(git_folder / Path(f)) for f in tracked_files + tracked_files_others
|
|
}
|
|
return git_folder
|
|
|
|
def is_skipped(self, file_path: Path) -> bool:
|
|
"""Returns True if the file and/or folder should be skipped based on current settings."""
|
|
if self.directory and Path(self.directory) in file_path.resolve().parents:
|
|
file_name = os.path.relpath(file_path.resolve(), self.directory)
|
|
else:
|
|
file_name = str(file_path)
|
|
|
|
os_path = str(file_path)
|
|
|
|
normalized_path = os_path.replace("\\", "/")
|
|
if normalized_path[1:2] == ":":
|
|
normalized_path = normalized_path[2:]
|
|
|
|
for skip_path in self.skips:
|
|
if posixpath.abspath(normalized_path) == posixpath.abspath(
|
|
skip_path.replace("\\", "/")
|
|
):
|
|
return True
|
|
|
|
position = os.path.split(file_name)
|
|
while position[1]:
|
|
if position[1] in self.skips:
|
|
return True
|
|
position = os.path.split(position[0])
|
|
|
|
for sglob in self.skip_globs:
|
|
if fnmatch.fnmatch(file_name, sglob) or fnmatch.fnmatch("/" + file_name, sglob):
|
|
return True
|
|
|
|
if not (os.path.isfile(os_path) or os.path.isdir(os_path) or os.path.islink(os_path)):
|
|
return True
|
|
|
|
if self.skip_gitignore:
|
|
if file_path.name == ".git": # pragma: no cover
|
|
return True
|
|
|
|
git_folder = None
|
|
|
|
file_paths = [file_path, file_path.resolve()]
|
|
for folder in self.git_ls_files:
|
|
if any(folder in path.parents for path in file_paths):
|
|
git_folder = folder
|
|
break
|
|
else:
|
|
git_folder = self._check_folder_git_ls_files(str(file_path.parent))
|
|
|
|
# git_ls_files are good files you should parse. If you're not in the allow list, skip.
|
|
|
|
if (
|
|
git_folder
|
|
and not file_path.is_dir()
|
|
and str(file_path.resolve()) not in self.git_ls_files[git_folder]
|
|
):
|
|
return True
|
|
|
|
return False
|
|
|
|
@property
|
|
def known_patterns(self) -> List[Tuple[Pattern[str], str]]:
|
|
if self._known_patterns is not None:
|
|
return self._known_patterns
|
|
|
|
self._known_patterns = []
|
|
pattern_sections = [STDLIB] + [section for section in self.sections if section != STDLIB]
|
|
for placement in reversed(pattern_sections):
|
|
known_placement = KNOWN_SECTION_MAPPING.get(placement, placement).lower()
|
|
config_key = f"{KNOWN_PREFIX}{known_placement}"
|
|
known_modules = getattr(self, config_key, self.known_other.get(known_placement, ()))
|
|
extra_modules = getattr(self, f"extra_{known_placement}", ())
|
|
all_modules = set(extra_modules).union(known_modules)
|
|
known_patterns = [
|
|
pattern
|
|
for known_pattern in all_modules
|
|
for pattern in self._parse_known_pattern(known_pattern)
|
|
]
|
|
for known_pattern in known_patterns:
|
|
regexp = "^" + known_pattern.replace("*", ".*").replace("?", ".?") + "$"
|
|
self._known_patterns.append((re.compile(regexp), placement))
|
|
|
|
return self._known_patterns
|
|
|
|
@property
|
|
def section_comments(self) -> Tuple[str, ...]:
|
|
if self._section_comments is not None:
|
|
return self._section_comments
|
|
|
|
self._section_comments = tuple(f"# {heading}" for heading in self.import_headings.values())
|
|
return self._section_comments
|
|
|
|
@property
|
|
def section_comments_end(self) -> Tuple[str, ...]:
|
|
if self._section_comments_end is not None:
|
|
return self._section_comments_end
|
|
|
|
self._section_comments_end = tuple(f"# {footer}" for footer in self.import_footers.values())
|
|
return self._section_comments_end
|
|
|
|
@property
|
|
def skips(self) -> FrozenSet[str]:
|
|
if self._skips is not None:
|
|
return self._skips
|
|
|
|
self._skips = self.skip.union(self.extend_skip)
|
|
return self._skips
|
|
|
|
@property
|
|
def skip_globs(self) -> FrozenSet[str]:
|
|
if self._skip_globs is not None:
|
|
return self._skip_globs
|
|
|
|
self._skip_globs = self.skip_glob.union(self.extend_skip_glob)
|
|
return self._skip_globs
|
|
|
|
@property
|
|
def sorting_function(self) -> Callable[..., List[str]]:
|
|
if self._sorting_function is not None:
|
|
return self._sorting_function
|
|
|
|
if self.sort_order == "natural":
|
|
self._sorting_function = sorting.naturally
|
|
elif self.sort_order == "native":
|
|
self._sorting_function = sorted
|
|
else:
|
|
available_sort_orders = ["natural", "native"]
|
|
import pkg_resources
|
|
|
|
for sort_plugin in pkg_resources.iter_entry_points("isort.sort_function"):
|
|
available_sort_orders.append(sort_plugin.name)
|
|
if sort_plugin.name == self.sort_order:
|
|
self._sorting_function = sort_plugin.load()
|
|
break
|
|
else:
|
|
raise SortingFunctionDoesNotExist(self.sort_order, available_sort_orders)
|
|
|
|
return self._sorting_function
|
|
|
|
def _parse_known_pattern(self, pattern: str) -> List[str]:
|
|
"""Expand pattern if identified as a directory and return found sub packages"""
|
|
if pattern.endswith(os.path.sep):
|
|
patterns = [
|
|
filename
|
|
for filename in os.listdir(os.path.join(self.directory, pattern))
|
|
if os.path.isdir(os.path.join(self.directory, pattern, filename))
|
|
]
|
|
else:
|
|
patterns = [pattern]
|
|
|
|
return patterns
|
|
|
|
|
|
def _get_str_to_type_converter(setting_name: str) -> Union[Callable[[str], Any], Type[Any]]:
|
|
type_converter: Union[Callable[[str], Any], Type[Any]] = type(
|
|
_DEFAULT_SETTINGS.get(setting_name, "")
|
|
)
|
|
if type_converter == WrapModes:
|
|
type_converter = wrap_mode_from_string
|
|
return type_converter
|
|
|
|
|
|
def _as_list(value: str) -> List[str]:
|
|
if isinstance(value, list):
|
|
return [item.strip() for item in value]
|
|
filtered = [item.strip() for item in value.replace("\n", ",").split(",") if item.strip()]
|
|
return filtered
|
|
|
|
|
|
def _abspaths(cwd: str, values: Iterable[str]) -> Set[str]:
|
|
paths = {
|
|
os.path.join(cwd, value)
|
|
if not value.startswith(os.path.sep) and value.endswith(os.path.sep)
|
|
else value
|
|
for value in values
|
|
}
|
|
return paths
|
|
|
|
|
|
@lru_cache()
|
|
def _find_config(path: str) -> Tuple[str, Dict[str, Any]]:
|
|
current_directory = path
|
|
tries = 0
|
|
while current_directory and tries < MAX_CONFIG_SEARCH_DEPTH:
|
|
for config_file_name in CONFIG_SOURCES:
|
|
potential_config_file = os.path.join(current_directory, config_file_name)
|
|
if os.path.isfile(potential_config_file):
|
|
config_data: Dict[str, Any]
|
|
try:
|
|
config_data = _get_config_data(
|
|
potential_config_file, CONFIG_SECTIONS[config_file_name]
|
|
)
|
|
except Exception:
|
|
warn(f"Failed to pull configuration information from {potential_config_file}")
|
|
config_data = {}
|
|
if config_data:
|
|
return (current_directory, config_data)
|
|
|
|
for stop_dir in STOP_CONFIG_SEARCH_ON_DIRS:
|
|
if os.path.isdir(os.path.join(current_directory, stop_dir)):
|
|
return (current_directory, {})
|
|
|
|
new_directory = os.path.split(current_directory)[0]
|
|
if new_directory == current_directory:
|
|
break
|
|
|
|
current_directory = new_directory
|
|
tries += 1
|
|
|
|
return (path, {})
|
|
|
|
|
|
@lru_cache()
|
|
def find_all_configs(path: str) -> Trie:
|
|
"""
|
|
Looks for config files in the path provided and in all of its sub-directories.
|
|
Parses and stores any config file encountered in a trie and returns the root of
|
|
the trie
|
|
"""
|
|
trie_root = Trie("default", {})
|
|
|
|
for (dirpath, _, _) in os.walk(path):
|
|
for config_file_name in CONFIG_SOURCES:
|
|
potential_config_file = os.path.join(dirpath, config_file_name)
|
|
if os.path.isfile(potential_config_file):
|
|
config_data: Dict[str, Any]
|
|
try:
|
|
config_data = _get_config_data(
|
|
potential_config_file, CONFIG_SECTIONS[config_file_name]
|
|
)
|
|
except Exception:
|
|
warn(f"Failed to pull configuration information from {potential_config_file}")
|
|
config_data = {}
|
|
|
|
if config_data:
|
|
trie_root.insert(potential_config_file, config_data)
|
|
break
|
|
|
|
return trie_root
|
|
|
|
|
|
@lru_cache()
|
|
def _get_config_data(file_path: str, sections: Tuple[str]) -> Dict[str, Any]:
|
|
settings: Dict[str, Any] = {}
|
|
|
|
if file_path.endswith(".toml"):
|
|
with open(file_path, "rb") as bin_config_file:
|
|
config = tomli.load(bin_config_file)
|
|
for section in sections:
|
|
config_section = config
|
|
for key in section.split("."):
|
|
config_section = config_section.get(key, {})
|
|
settings.update(config_section)
|
|
else:
|
|
with open(file_path, encoding="utf-8") as config_file:
|
|
if file_path.endswith(".editorconfig"):
|
|
line = "\n"
|
|
last_position = config_file.tell()
|
|
while line:
|
|
line = config_file.readline()
|
|
if "[" in line:
|
|
config_file.seek(last_position)
|
|
break
|
|
last_position = config_file.tell()
|
|
|
|
config = configparser.ConfigParser(strict=False)
|
|
config.read_file(config_file)
|
|
for section in sections:
|
|
if section.startswith("*.{") and section.endswith("}"):
|
|
extension = section[len("*.{") : -1]
|
|
for config_key in config.keys():
|
|
if (
|
|
config_key.startswith("*.{")
|
|
and config_key.endswith("}")
|
|
and extension
|
|
in map(
|
|
lambda text: text.strip(), config_key[len("*.{") : -1].split(",") # type: ignore # noqa
|
|
)
|
|
):
|
|
settings.update(config.items(config_key))
|
|
|
|
elif config.has_section(section):
|
|
settings.update(config.items(section))
|
|
|
|
if settings:
|
|
settings["source"] = file_path
|
|
|
|
if file_path.endswith(".editorconfig"):
|
|
indent_style = settings.pop("indent_style", "").strip()
|
|
indent_size = settings.pop("indent_size", "").strip()
|
|
if indent_size == "tab":
|
|
indent_size = settings.pop("tab_width", "").strip()
|
|
|
|
if indent_style == "space":
|
|
settings["indent"] = " " * (indent_size and int(indent_size) or 4)
|
|
|
|
elif indent_style == "tab":
|
|
settings["indent"] = "\t" * (indent_size and int(indent_size) or 1)
|
|
|
|
max_line_length = settings.pop("max_line_length", "").strip()
|
|
if max_line_length and (max_line_length == "off" or max_line_length.isdigit()):
|
|
settings["line_length"] = (
|
|
float("inf") if max_line_length == "off" else int(max_line_length)
|
|
)
|
|
settings = {
|
|
key: value
|
|
for key, value in settings.items()
|
|
if key in _DEFAULT_SETTINGS.keys() or key.startswith(KNOWN_PREFIX)
|
|
}
|
|
|
|
for key, value in settings.items():
|
|
existing_value_type = _get_str_to_type_converter(key)
|
|
if existing_value_type == tuple:
|
|
settings[key] = tuple(_as_list(value))
|
|
elif existing_value_type == frozenset:
|
|
settings[key] = frozenset(_as_list(settings.get(key))) # type: ignore
|
|
elif existing_value_type == bool:
|
|
# Only some configuration formats support native boolean values.
|
|
if not isinstance(value, bool):
|
|
value = _as_bool(value)
|
|
settings[key] = value
|
|
elif key.startswith(KNOWN_PREFIX):
|
|
settings[key] = _abspaths(os.path.dirname(file_path), _as_list(value))
|
|
elif key == "force_grid_wrap":
|
|
try:
|
|
result = existing_value_type(value)
|
|
except ValueError: # backwards compatibility for true / false force grid wrap
|
|
result = 0 if value.lower().strip() == "false" else 2
|
|
settings[key] = result
|
|
elif key == "comment_prefix":
|
|
settings[key] = str(value).strip("'").strip('"')
|
|
else:
|
|
settings[key] = existing_value_type(value)
|
|
|
|
return settings
|
|
|
|
|
|
def _as_bool(value: str) -> bool:
|
|
"""Given a string value that represents True or False, returns the Boolean equivalent.
|
|
Heavily inspired from distutils strtobool.
|
|
"""
|
|
try:
|
|
return _STR_BOOLEAN_MAPPING[value.lower()]
|
|
except KeyError:
|
|
raise ValueError(f"invalid truth value {value}")
|
|
|
|
|
|
DEFAULT_CONFIG = Config()
|