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__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	575 B	-rw-r--r--
_check_docs_utils.py	25.74 KB	-rw-r--r--
bad_builtin.py	2.22 KB	-rw-r--r--
broad_try_clause.py	2.25 KB	-rw-r--r--
check_elif.py	2.09 KB	-rw-r--r--
code_style.py	12.51 KB	-rw-r--r--
comparetozero.py	3.09 KB	-rw-r--r--
comparison_placement.py	2.3 KB	-rw-r--r--
confusing_elif.py	1.99 KB	-rw-r--r--
consider_refactoring_into_whil...	3.23 KB	-rw-r--r--
consider_ternary_expression.py	1.66 KB	-rw-r--r--
dict_init_mutate.py	2.06 KB	-rw-r--r--
docparams.py	25.3 KB	-rw-r--r--
docstyle.py	2.87 KB	-rw-r--r--
dunder.py	2.33 KB	-rw-r--r--
empty_comment.py	1.91 KB	-rw-r--r--
emptystring.py	2.9 KB	-rw-r--r--
eq_without_hash.py	1.42 KB	-rw-r--r--
for_any_all.py	5.69 KB	-rw-r--r--
magic_value.py	4.14 KB	-rw-r--r--
mccabe.py	6.89 KB	-rw-r--r--
no_self_use.py	3.62 KB	-rw-r--r--
overlapping_exceptions.py	3.26 KB	-rw-r--r--
private_import.py	10.97 KB	-rw-r--r--
redefined_loop_name.py	3.14 KB	-rw-r--r--
redefined_variable_type.py	4 KB	-rw-r--r--
set_membership.py	1.75 KB	-rw-r--r--
typing.py	19.91 KB	-rw-r--r--
while_used.py	1.07 KB	-rw-r--r--

Code Editor : bad_builtin.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

"""Checker for deprecated builtins."""

from __future__ import annotations

from typing import TYPE_CHECKING

from astroid import nodes

from pylint.checkers import BaseChecker
from pylint.checkers.utils import only_required_for_messages

if TYPE_CHECKING:
    from pylint.lint import PyLinter

BAD_FUNCTIONS = ["map", "filter"]
# Some hints regarding the use of bad builtins.
LIST_COMP_MSG = "Using a list comprehension can be clearer."
BUILTIN_HINTS = {"map": LIST_COMP_MSG, "filter": LIST_COMP_MSG}

class BadBuiltinChecker(BaseChecker):
    name = "deprecated_builtins"
    msgs = {
        "W0141": (
            "Used builtin function %s",
            "bad-builtin",
            "Used when a disallowed builtin function is used (see the "
            "bad-function option). Usual disallowed functions are the ones "
            "like map, or filter , where Python offers now some cleaner "
            "alternative like list comprehension.",
        )
    }

options = (
        (
            "bad-functions",
            {
                "default": BAD_FUNCTIONS,
                "type": "csv",
                "metavar": "<builtin function names>",
                "help": "List of builtins function names that should not be "
                "used, separated by a comma",
            },
        ),
    )

@only_required_for_messages("bad-builtin")
    def visit_call(self, node: nodes.Call) -> None:
        if isinstance(node.func, nodes.Name):
            name = node.func.name
            # ignore the name if it's not a builtin (i.e. not defined in the
            # locals nor globals scope)
            if not (name in node.frame(future=True) or name in node.root()):
                if name in self.linter.config.bad_functions:
                    hint = BUILTIN_HINTS.get(name)
                    args = f"{name!r}. {hint}" if hint else repr(name)
                    self.add_message("bad-builtin", node=node, args=args)

def register(linter: PyLinter) -> None:
    linter.register_checker(BadBuiltinChecker(linter))

${this.title}

Code Editor : bad_builtin.py