lint++

pyproject.toml

@@ -2,7 +2,7 @@
 # https://packaging.python.org/en/latest/specifications/pyproject-toml/
 
 [build-system]
-requires = ["setuptools"]
+requires = ["setuptools>=75.6.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -92,8 +92,41 @@ ignore = [
 ]
 
 [tool.ruff]
-line-length = 140
+line-length = 150
 target-version = "py39"
+format.preview = true
+format.docstring-code-line-length = 100
+format.docstring-code-format = true
+lint.select = [
+  "ALL",
+]
+lint.ignore = [
+  "ANN401",  # kwargs with typing.Any
+  "CPY",     # not required
+  "D101",    # docs readability
+  "D102",    # docs readability
+  "D105",    # docs readability
+  "D107",    # docs readability
+  "D200",    # docs readability
+  "D205",    # docs readability
+  "D205",    # docs readability
+  "D203",    # docs readability
+  "D212",    # docs readability
+  "D400",    # docs readability
+  "D401",    # docs readability
+  "D415",    # docs readability
+  "PLR2004", # readability
+  "SIM108",  # readability
+  "RUF012",  # readability
+  "FBT001",  # readability
+  "FBT002",  # readability
+  "PGH003",  # readability
+]
+lint.isort.required-imports = [ "from __future__ import annotations" ]
+
+[tool.mypy]
+show_error_codes = true
+strict = true
 
 [tool.coverage.run]
 branch = true
@@ -104,7 +137,7 @@ fail_under = 100
 show_missing = true
 exclude_lines = [
   "pragma: no cover",
-  "raise NotImplementedError()",
+  "raise NotImplementedError",
 ]
 
 [tool.coverage.paths]

src/hyperframe/__init__.py

@@ -1,7 +1,6 @@
 """
-hyperframe
-~~~~~~~~~~
-
-A module for providing a pure-Python HTTP/2 framing layer.
+Provides a pure-Python HTTP/2 framing layer.
 """
-__version__ = '6.1.0+dev'
+from __future__ import annotations
+
+__version__ = "6.1.0+dev"

src/hyperframe/exceptions.py

@@ -1,9 +1,7 @@
 """
-hyperframe/exceptions
-~~~~~~~~~~~~~~~~~~~~~
-
-Defines the exceptions that can be thrown by hyperframe.
+Exceptions that can be thrown by hyperframe.
 """
+from __future__ import annotations
 
 
 class HyperframeError(Exception):
@@ -21,6 +19,7 @@ class UnknownFrameError(HyperframeError):
     .. versionchanged:: 6.0.0
         Changed base class from `ValueError` to :class:`HyperframeError`
     """
+
     def __init__(self, frame_type: int, length: int) -> None:
         #: The type byte of the unknown frame that was received.
         self.frame_type = frame_type
@@ -30,8 +29,7 @@ def __init__(self, frame_type: int, length: int) -> None:
 
     def __str__(self) -> str:
         return (
-            "UnknownFrameError: Unknown frame type 0x%X received, "
-            "length %d bytes" % (self.frame_type, self.length)
+            f"UnknownFrameError: Unknown frame type 0x{self.frame_type:X} received, length {self.length} bytes"
         )
 
 
@@ -42,7 +40,6 @@ class InvalidPaddingError(HyperframeError):
     .. versionchanged:: 6.0.0
         Changed base class from `ValueError` to :class:`HyperframeError`
     """
-    pass
 
 
 class InvalidFrameError(HyperframeError):
@@ -54,7 +51,6 @@ class InvalidFrameError(HyperframeError):
     .. versionchanged:: 6.0.0
         Changed base class from `ValueError` to :class:`HyperframeError`
     """
-    pass
 
 
 class InvalidDataError(HyperframeError):
@@ -63,4 +59,3 @@ class InvalidDataError(HyperframeError):
 
     .. versionadded:: 6.0.0
     """
-    pass

src/hyperframe/flags.py

@@ -1,11 +1,10 @@
 """
-hyperframe/flags
-~~~~~~~~~~~~~~~~
-
-Defines basic Flag and Flags data structures.
+Basic Flag and Flags data structures.
 """
-from collections.abc import MutableSet
-from typing import NamedTuple, Iterable, Set, Iterator
+from __future__ import annotations
+
+from collections.abc import Iterable, Iterator, MutableSet
+from typing import NamedTuple
 
 
 class Flag(NamedTuple):
@@ -21,12 +20,13 @@ class Flags(MutableSet):  # type: ignore
     Will behave like a regular set(), except that a ValueError will be thrown
     when .add()ing unexpected flags.
     """
+
     def __init__(self, defined_flags: Iterable[Flag]) -> None:
-        self._valid_flags = set(flag.name for flag in defined_flags)
-        self._flags: Set[str] = set()
+        self._valid_flags = {flag.name for flag in defined_flags}
+        self._flags: set[str] = set()
 
     def __repr__(self) -> str:
-        return repr(sorted(list(self._flags)))
+        return repr(sorted(self._flags))
 
     def __contains__(self, x: object) -> bool:
         return self._flags.__contains__(x)
@@ -42,9 +42,6 @@ def discard(self, value: str) -> None:
 
     def add(self, value: str) -> None:
         if value not in self._valid_flags:
-            raise ValueError(
-                "Unexpected flag: {}. Valid flags are: {}".format(
-                    value, self._valid_flags
-                )
-            )
+            msg = f"Unexpected flag: {value}. Valid flags are: {self._valid_flags}"
+            raise ValueError(msg)
         return self._flags.add(value)