From 0c62569c4f75ffcbbe21561bd21c52b6e3021a12 Mon Sep 17 00:00:00 2001
From: Anthony Sottile <asottile@umich.edu>
Date: Sun, 14 Nov 2021 08:36:02 -0800
Subject: [PATCH] remove dead code

detected using https://github.com/asottile/dead
---
 docs/source/internal/utils.rst |  5 -----
 src/flake8/defaults.py         |  2 --
 src/flake8/options/manager.py  | 28 ----------------------------
 src/flake8/processor.py        |  1 -
 src/flake8/utils.py            | 11 -----------
 tests/unit/test_option.py      |  8 --------
 tests/unit/test_utils.py       |  9 ---------
 7 files changed, 64 deletions(-)

diff --git a/docs/source/internal/utils.rst b/docs/source/internal/utils.rst
index e104d62..387ec82 100644
--- a/docs/source/internal/utils.rst
+++ b/docs/source/internal/utils.rst
@@ -54,11 +54,6 @@ normalized path.
 This function retrieves and caches the value provided on ``sys.stdin``. This
 allows plugins to use this to retrieve ``stdin`` if necessary.
 
-.. autofunction:: flake8.utils.is_windows
-
-This provides a convenient and explicitly named function that checks if we are
-currently running on a Windows (or ``nt``) operating system.
-
 .. autofunction:: flake8.utils.is_using_stdin
 
 Another helpful function that is named only to be explicit given it is a very
diff --git a/src/flake8/defaults.py b/src/flake8/defaults.py
index da0205e..a1c04fc 100644
--- a/src/flake8/defaults.py
+++ b/src/flake8/defaults.py
@@ -18,8 +18,6 @@ SELECT = ("E", "F", "W", "C90")
 MAX_LINE_LENGTH = 79
 INDENT_SIZE = 4
 
-TRUTHY_VALUES = {"true", "1", "t"}
-
 # Other constants
 WHITESPACE = frozenset(" \t")
 
diff --git a/src/flake8/options/manager.py b/src/flake8/options/manager.py
index 28cee4d..50bdf58 100644
--- a/src/flake8/options/manager.py
+++ b/src/flake8/options/manager.py
@@ -17,14 +17,10 @@ from typing import Sequence
 from typing import Set
 from typing import Tuple
 from typing import Type
-from typing import TYPE_CHECKING
 from typing import Union
 
 from flake8 import utils
 
-if TYPE_CHECKING:
-    from typing import NoReturn
-
 LOG = logging.getLogger(__name__)
 
 # represent a singleton of "not passed arguments".
@@ -310,34 +306,10 @@ class Option:
 
         return value
 
-    def normalize_from_setuptools(
-        self, value: str
-    ) -> Union[int, float, complex, bool, str]:
-        """Normalize the value received from setuptools."""
-        value = self.normalize(value)
-        if self.type is int or self.action == "count":
-            return int(value)
-        elif self.type is float:
-            return float(value)
-        elif self.type is complex:
-            return complex(value)
-        if self.action in ("store_true", "store_false"):
-            value = str(value).upper()
-            if value in ("1", "T", "TRUE", "ON"):
-                return True
-            if value in ("0", "F", "FALSE", "OFF"):
-                return False
-        return value
-
     def to_argparse(self) -> Tuple[List[str], Dict[str, Any]]:
         """Convert a Flake8 Option to argparse ``add_argument`` arguments."""
         return self.option_args, self.filtered_option_kwargs
 
-    @property
-    def to_optparse(self) -> "NoReturn":
-        """No longer functional."""
-        raise AttributeError("to_optparse: flake8 now uses argparse")
-
 
 PluginVersion = collections.namedtuple(
     "PluginVersion", ["name", "version", "local"]
diff --git a/src/flake8/processor.py b/src/flake8/processor.py
index f632388..2649c9d 100644
--- a/src/flake8/processor.py
+++ b/src/flake8/processor.py
@@ -16,7 +16,6 @@ from flake8 import defaults
 from flake8 import utils
 
 LOG = logging.getLogger(__name__)
-PyCF_ONLY_AST = 1024
 NEWLINE = frozenset([tokenize.NL, tokenize.NEWLINE])
 
 SKIP_TOKENS = frozenset(
diff --git a/src/flake8/utils.py b/src/flake8/utils.py
index 62c8ad4..4e68104 100644
--- a/src/flake8/utils.py
+++ b/src/flake8/utils.py
@@ -281,17 +281,6 @@ def parse_unified_diff(diff: Optional[str] = None) -> Dict[str, Set[int]]:
     return parsed_paths
 
 
-def is_windows() -> bool:
-    """Determine if we're running on Windows.
-
-    :returns:
-        True if running on Windows, otherwise False
-    :rtype:
-        bool
-    """
-    return os.name == "nt"
-
-
 def is_using_stdin(paths: List[str]) -> bool:
     """Determine if we're going to read from stdin.
 
diff --git a/tests/unit/test_option.py b/tests/unit/test_option.py
index 52aef27..d576c49 100644
--- a/tests/unit/test_option.py
+++ b/tests/unit/test_option.py
@@ -25,14 +25,6 @@ def test_to_argparse():
     assert isinstance(kwargs["type"], functools.partial)
 
 
-def test_to_optparse():
-    """Test that .to_optparse() produces a useful error message."""
-    with pytest.raises(AttributeError) as excinfo:
-        manager.Option("--foo").to_optparse
-    (msg,) = excinfo.value.args
-    assert msg == "to_optparse: flake8 now uses argparse"
-
-
 def test_to_argparse_creates_an_option_as_we_expect():
     """Show that we pass all keyword args to argparse."""
     opt = manager.Option("-t", "--test", action="count")
diff --git a/tests/unit/test_utils.py b/tests/unit/test_utils.py
index 22bb44d..947b67f 100644
--- a/tests/unit/test_utils.py
+++ b/tests/unit/test_utils.py
@@ -160,15 +160,6 @@ def test_normalize_paths(value, expected):
     assert utils.normalize_paths(value) == expected
 
 
-def test_is_windows_checks_for_nt():
-    """Verify that we correctly detect Windows."""
-    with mock.patch.object(os, "name", "nt"):
-        assert utils.is_windows() is True
-
-    with mock.patch.object(os, "name", "posix"):
-        assert utils.is_windows() is False
-
-
 @pytest.mark.parametrize(
     "filename,patterns,expected",
     [