Replace and deprecate modutils.is_standard_module()

ChangeLog

@@ -18,6 +18,12 @@ Release date: TBA
 
   Closes #1680
 
+* Deprecate ``modutils.is_standard_module()``. It will be removed in the next minor release.
+  Functionality has been replaced by two new functions,
+  ``modutils.is_stdlib_module()`` and ``modutils.module_in_path()``.
+
+  Closes #2012
+
 
 What's New in astroid 2.14.2?
 =============================

astroid/_backport_stdlib_names.py

@@ -0,0 +1,361 @@
+# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
+# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE
+# Copyright (c) https://github.com/PyCQA/astroid/blob/main/CONTRIBUTORS.txt
+
+"""
+Shim to support Python versions < 3.10 that don't have sys.stdlib_module_names
+
+These values were created by cherry-picking the commits from
+https://bugs.python.org/issue42955 into each version, but may be updated
+manually if changes are needed.
+"""
+
+import sys
+
+# TODO: Remove this file when Python 3.9 is no longer supported
+
+# Standard library modules common to 3.7 - 3.9
+_COMMON = frozenset(
+    {
+        "__future__",
+        "_abc",
+        "_ast",
+        "_asyncio",
+        "_bisect",
+        "_blake2",
+        "_bootlocale",
+        "_bz2",
+        "_codecs",
+        "_codecs_cn",
+        "_codecs_hk",
+        "_codecs_iso2022",
+        "_codecs_jp",
+        "_codecs_kr",
+        "_codecs_tw",
+        "_collections",
+        "_collections_abc",
+        "_compat_pickle",
+        "_compression",
+        "_contextvars",
+        "_crypt",
+        "_csv",
+        "_ctypes",
+        "_curses",
+        "_curses_panel",
+        "_datetime",
+        "_dbm",
+        "_decimal",
+        "_elementtree",
+        "_functools",
+        "_gdbm",
+        "_hashlib",
+        "_heapq",
+        "_imp",
+        "_io",
+        "_json",
+        "_locale",
+        "_lsprof",
+        "_lzma",
+        "_markupbase",
+        "_md5",
+        "_msi",
+        "_multibytecodec",
+        "_multiprocessing",
+        "_opcode",
+        "_operator",
+        "_osx_support",
+        "_pickle",
+        "_posixsubprocess",
+        "_py_abc",
+        "_pydecimal",
+        "_pyio",
+        "_queue",
+        "_random",
+        "_sha1",
+        "_sha256",
+        "_sha3",
+        "_sha512",
+        "_signal",
+        "_sitebuiltins",
+        "_socket",
+        "_sqlite3",
+        "_sre",
+        "_ssl",
+        "_stat",
+        "_string",
+        "_strptime",
+        "_struct",
+        "_symtable",
+        "_thread",
+        "_threading_local",
+        "_tkinter",
+        "_tracemalloc",
+        "_uuid",
+        "_warnings",
+        "_weakref",
+        "_weakrefset",
+        "_winapi",
+        "abc",
+        "aifc",
+        "antigravity",
+        "argparse",
+        "array",
+        "ast",
+        "asynchat",
+        "asyncio",
+        "asyncore",
+        "atexit",
+        "audioop",
+        "base64",
+        "bdb",
+        "binascii",
+        "binhex",
+        "bisect",
+        "builtins",
+        "bz2",
+        "cProfile",
+        "calendar",
+        "cgi",
+        "cgitb",
+        "chunk",
+        "cmath",
+        "cmd",
+        "code",
+        "codecs",
+        "codeop",
+        "collections",
+        "colorsys",
+        "compileall",
+        "concurrent",
+        "configparser",
+        "contextlib",
+        "contextvars",
+        "copy",
+        "copyreg",
+        "crypt",
+        "csv",
+        "ctypes",
+        "curses",
+        "dataclasses",
+        "datetime",
+        "dbm",
+        "decimal",
+        "difflib",
+        "dis",
+        "distutils",
+        "doctest",
+        "email",
+        "encodings",
+        "ensurepip",
+        "enum",
+        "errno",
+        "faulthandler",
+        "fcntl",
+        "filecmp",
+        "fileinput",
+        "fnmatch",
+        "formatter",
+        "fractions",
+        "ftplib",
+        "functools",
+        "gc",
+        "genericpath",
+        "getopt",
+        "getpass",
+        "gettext",
+        "glob",
+        "grp",
+        "gzip",
+        "hashlib",
+        "heapq",
+        "hmac",
+        "html",
+        "http",
+        "idlelib",
+        "imaplib",
+        "imghdr",
+        "imp",
+        "importlib",
+        "inspect",
+        "io",
+        "ipaddress",
+        "itertools",
+        "json",
+        "keyword",
+        "lib2to3",
+        "linecache",
+        "locale",
+        "logging",
+        "lzma",
+        "mailbox",
+        "mailcap",
+        "marshal",
+        "math",
+        "mimetypes",
+        "mmap",
+        "modulefinder",
+        "msilib",
+        "msvcrt",
+        "multiprocessing",
+        "netrc",
+        "nis",
+        "nntplib",
+        "nt",
+        "ntpath",
+        "nturl2path",
+        "numbers",
+        "opcode",
+        "operator",
+        "optparse",
+        "os",
+        "ossaudiodev",
+        "parser",
+        "pathlib",
+        "pdb",
+        "pickle",
+        "pickletools",
+        "pipes",
+        "pkgutil",
+        "platform",
+        "plistlib",
+        "poplib",
+        "posix",
+        "posixpath",
+        "pprint",
+        "profile",
+        "pstats",
+        "pty",
+        "pwd",
+        "py_compile",
+        "pyclbr",
+        "pydoc",
+        "pydoc_data",
+        "pyexpat",
+        "queue",
+        "quopri",
+        "random",
+        "re",
+        "readline",
+        "reprlib",
+        "resource",
+        "rlcompleter",
+        "runpy",
+        "sched",
+        "secrets",
+        "select",
+        "selectors",
+        "shelve",
+        "shlex",
+        "shutil",
+        "signal",
+        "site",
+        "smtpd",
+        "smtplib",
+        "sndhdr",
+        "socket",
+        "socketserver",
+        "spwd",
+        "sqlite3",
+        "sre_compile",
+        "sre_constants",
+        "sre_parse",
+        "ssl",
+        "stat",
+        "statistics",
+        "string",
+        "stringprep",
+        "struct",
+        "subprocess",
+        "sunau",
+        "symbol",
+        "symtable",
+        "sys",
+        "sysconfig",
+        "syslog",
+        "tabnanny",
+        "tarfile",
+        "telnetlib",
+        "tempfile",
+        "termios",
+        "textwrap",
+        "this",
+        "threading",
+        "time",
+        "timeit",
+        "tkinter",
+        "token",
+        "tokenize",
+        "trace",
+        "traceback",
+        "tracemalloc",
+        "tty",
+        "turtle",
+        "turtledemo",
+        "types",
+        "typing",
+        "unicodedata",
+        "unittest",
+        "urllib",
+        "uu",
+        "uuid",
+        "venv",
+        "warnings",
+        "wave",
+        "weakref",
+        "webbrowser",
+        "winreg",
+        "winsound",
+        "wsgiref",
+        "xdrlib",
+        "xml",
+        "xmlrpc",
+        "zipapp",
+        "zipfile",
+        "zipimport",
+        "zlib",
+    }
+)
+
+PY_3_7 = frozenset(
+    _COMMON
+    | {
+        "_dummy_thread",
+        "dummy_threading",
+        "macpath",
+    }
+)
+
+PY_3_8 = frozenset(
+    _COMMON
+    | {
+        "_dummy_thread",
+        "_posixshmem",
+        "_statistics",
+        "_xxsubinterpreters",
+        "dummy_threading",
+    }
+)
+
+PY_3_9 = frozenset(
+    _COMMON
+    | {
+        "_aix_support",
+        "_bootsubprocess",
+        "_peg_parser",
+        "_posixshmem",
+        "_statistics",
+        "_xxsubinterpreters",
+        "_zoneinfo",
+        "graphlib",
+        "zoneinfo",
+    }
+)
+
+if sys.version_info[:2] == (3, 7):
+    stdlib_module_names = PY_3_7
+elif sys.version_info[:2] == (3, 8):
+    stdlib_module_names = PY_3_8
+elif sys.version_info[:2] == (3, 9):
+    stdlib_module_names = PY_3_9
+else:
+    stdlib_module_names = sys.stdlib_module_names  # pragma: no cover

astroid/manager.py

@@ -30,7 +30,7 @@
     get_source_file,
     is_module_name_part_of_extension_package_whitelist,
     is_python_source,
-    is_standard_module,
+    is_stdlib_module,
     load_module_from_name,
     modpath_from_file,
 )
@@ -154,7 +154,7 @@ def _build_namespace_module(
     def _can_load_extension(self, modname: str) -> bool:
         if self.always_load_extensions:
             return True
-        if is_standard_module(modname):
+        if is_stdlib_module(modname):
             return True
         return is_module_name_part_of_extension_package_whitelist(
             modname, self.extension_package_whitelist