Current File : //opt/cloudlinux/venv/lib/python3.11/site-packages/pylint/lint/expand_modules.py
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
from __future__ import annotations
import os
import sys
import warnings
from collections.abc import Sequence
from re import Pattern
from astroid import modutils
from pylint.typing import ErrorDescriptionDict, ModuleDescriptionDict
def _modpath_from_file(filename: str, is_namespace: bool, path: list[str]) -> list[str]:
def _is_package_cb(inner_path: str, parts: list[str]) -> bool:
return modutils.check_modpath_has_init(inner_path, parts) or is_namespace
return modutils.modpath_from_file_with_callback( # type: ignore[no-any-return]
filename, path=path, is_package_cb=_is_package_cb
)
def get_python_path(filepath: str) -> str:
# TODO: Remove deprecated function
warnings.warn(
"get_python_path has been deprecated because assumption that there's always an __init__.py "
"is not true since python 3.3 and is causing problems, particularly with PEP 420."
"Use discover_package_path and pass source root(s).",
DeprecationWarning,
stacklevel=2,
)
return discover_package_path(filepath, [])
def discover_package_path(modulepath: str, source_roots: Sequence[str]) -> str:
"""Discover package path from one its modules and source roots."""
dirname = os.path.realpath(os.path.expanduser(modulepath))
if not os.path.isdir(dirname):
dirname = os.path.dirname(dirname)
# Look for a source root that contains the module directory
for source_root in source_roots:
source_root = os.path.realpath(os.path.expanduser(source_root))
if os.path.commonpath([source_root, dirname]) == source_root:
return source_root
# Fall back to legacy discovery by looking for __init__.py upwards as
# it's the only way given that source root was not found or was not provided
while True:
if not os.path.exists(os.path.join(dirname, "__init__.py")):
return dirname
old_dirname = dirname
dirname = os.path.dirname(dirname)
if old_dirname == dirname:
return os.getcwd()
def _is_in_ignore_list_re(element: str, ignore_list_re: list[Pattern[str]]) -> bool:
"""Determines if the element is matched in a regex ignore-list."""
return any(file_pattern.match(element) for file_pattern in ignore_list_re)
def _is_ignored_file(
element: str,
ignore_list: list[str],
ignore_list_re: list[Pattern[str]],
ignore_list_paths_re: list[Pattern[str]],
) -> bool:
element = os.path.normpath(element)
basename = os.path.basename(element)
return (
basename in ignore_list
or _is_in_ignore_list_re(basename, ignore_list_re)
or _is_in_ignore_list_re(element, ignore_list_paths_re)
)
# pylint: disable = too-many-locals, too-many-statements
def expand_modules(
files_or_modules: Sequence[str],
source_roots: Sequence[str],
ignore_list: list[str],
ignore_list_re: list[Pattern[str]],
ignore_list_paths_re: list[Pattern[str]],
) -> tuple[dict[str, ModuleDescriptionDict], list[ErrorDescriptionDict]]:
"""Take a list of files/modules/packages and return the list of tuple
(file, module name) which have to be actually checked.
"""
result: dict[str, ModuleDescriptionDict] = {}
errors: list[ErrorDescriptionDict] = []
path = sys.path.copy()
for something in files_or_modules:
basename = os.path.basename(something)
if _is_ignored_file(
something, ignore_list, ignore_list_re, ignore_list_paths_re
):
continue
module_package_path = discover_package_path(something, source_roots)
additional_search_path = [".", module_package_path] + path
if os.path.exists(something):
# this is a file or a directory
try:
modname = ".".join(
modutils.modpath_from_file(something, path=additional_search_path)
)
except ImportError:
modname = os.path.splitext(basename)[0]
if os.path.isdir(something):
filepath = os.path.join(something, "__init__.py")
else:
filepath = something
else:
# suppose it's a module or package
modname = something
try:
filepath = modutils.file_from_modpath(
modname.split("."), path=additional_search_path
)
if filepath is None:
continue
except ImportError as ex:
errors.append({"key": "fatal", "mod": modname, "ex": ex})
continue
filepath = os.path.normpath(filepath)
modparts = (modname or something).split(".")
try:
spec = modutils.file_info_from_modpath(
modparts, path=additional_search_path
)
except ImportError:
# Might not be acceptable, don't crash.
is_namespace = False
is_directory = os.path.isdir(something)
else:
is_namespace = modutils.is_namespace(spec)
is_directory = modutils.is_directory(spec)
if not is_namespace:
if filepath in result:
# Always set arg flag if module explicitly given.
result[filepath]["isarg"] = True
else:
result[filepath] = {
"path": filepath,
"name": modname,
"isarg": True,
"basepath": filepath,
"basename": modname,
}
has_init = (
not (modname.endswith(".__init__") or modname == "__init__")
and os.path.basename(filepath) == "__init__.py"
)
if has_init or is_namespace or is_directory:
for subfilepath in modutils.get_module_files(
os.path.dirname(filepath), ignore_list, list_all=is_namespace
):
if filepath == subfilepath:
continue
if _is_in_ignore_list_re(
os.path.basename(subfilepath), ignore_list_re
) or _is_in_ignore_list_re(subfilepath, ignore_list_paths_re):
continue
modpath = _modpath_from_file(
subfilepath, is_namespace, path=additional_search_path
)
submodname = ".".join(modpath)
# Preserve arg flag if module is also explicitly given.
isarg = subfilepath in result and result[subfilepath]["isarg"]
result[subfilepath] = {
"path": subfilepath,
"name": submodname,
"isarg": isarg,
"basepath": filepath,
"basename": modname,
}
return result, errors
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