Add support for Python 3.14 and drop EOL 3.8 and 3.9

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
       - uses: actions/checkout@v6
 

pyproject.toml

@@ -8,7 +8,7 @@ dynamic = ["version"]
 description = "A streaming multipart parser for Python"
 readme = "README.md"
 license = "Apache-2.0"
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 authors = [
     { name = "Andrew Dunham", email = "andrew@du.nham.ca" },
     { name = "Marcelo Trylesinski", email = "marcelotryle@gmail.com" },
@@ -21,12 +21,11 @@ classifiers = [
     'Operating System :: OS Independent',
     'Programming Language :: Python :: 3 :: Only',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.8',
-    'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
     'Programming Language :: Python :: 3.13',
+    'Programming Language :: Python :: 3.14',
     'Topic :: Software Development :: Libraries :: Python Modules',
 ]
 dependencies = []

python_multipart/multipart.py

@@ -15,9 +15,8 @@
 from .exceptions import FileError, FormParserError, MultipartParseError, QuerystringParseError
 
 if TYPE_CHECKING:  # pragma: no cover
-    from typing import Any, Callable, Literal, Protocol, TypedDict
-
-    from typing_extensions import TypeAlias
+    from collections.abc import Callable
+    from typing import Any, Literal, Protocol, TypeAlias, TypedDict
 
     class SupportsRead(Protocol):
         def read(self, __n: int) -> bytes: ...
@@ -332,7 +331,7 @@ def __repr__(self) -> str:
         else:
             v = repr(self.value)
 
-        return "{}(field_name={!r}, value={})".format(self.__class__.__name__, self.field_name, v)
+        return f"{self.__class__.__name__}(field_name={self.field_name!r}, value={v})"
 
 
 class File:
@@ -570,7 +569,7 @@ def close(self) -> None:
         self._fileobj.close()
 
     def __repr__(self) -> str:
-        return "{}(file_name={!r}, field_name={!r})".format(self.__class__.__name__, self.file_name, self.field_name)
+        return f"{self.__class__.__name__}(file_name={self.file_name!r}, field_name={self.field_name!r})"
 
 
 class BaseParser:
@@ -1241,7 +1240,7 @@ def data_callback(name: CallbackName, end_i: int, remaining: bool = False) -> No
             elif state == MultipartState.HEADER_VALUE_ALMOST_DONE:
                 # The last character should be a LF.  If not, it's an error.
                 if c != LF:
-                    msg = "Did not find LF character at end of header (found %r)" % (c,)
+                    msg = f"Did not find LF character at end of header (found {c!r})"
                     self.logger.warning(msg)
                     e = MultipartParseError(msg)
                     e.offset = i
@@ -1715,7 +1714,7 @@ def on_headers_finished() -> None:
                 else:
                     self.logger.warning("Unknown Content-Transfer-Encoding: %r", transfer_encoding)
                     if self.config["UPLOAD_ERROR_ON_BAD_CTE"]:
-                        raise FormParserError('Unknown Content-Transfer-Encoding "{!r}"'.format(transfer_encoding))
+                        raise FormParserError(f'Unknown Content-Transfer-Encoding "{transfer_encoding!r}"')
                     else:
                         # If we aren't erroring, then we just treat this as an
                         # unencoded Content-Transfer-Encoding.
@@ -1746,7 +1745,7 @@ def _on_end() -> None:
 
         else:
             self.logger.warning("Unknown Content-Type: %r", content_type)
-            raise FormParserError("Unknown Content-Type: {}".format(content_type))
+            raise FormParserError(f"Unknown Content-Type: {content_type}")
 
         self.parser = parser
 
@@ -1776,7 +1775,7 @@ def close(self) -> None:
             self.parser.close()
 
     def __repr__(self) -> str:
-        return "{}(content_type={!r}, parser={!r})".format(self.__class__.__name__, self.content_type, self.parser)
+        return f"{self.__class__.__name__}(content_type={self.content_type!r}, parser={self.parser!r})"
 
 
 def create_form_parser(

tests/compat.py

@@ -8,7 +8,8 @@
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from typing import Any, Callable
+    from collections.abc import Callable
+    from typing import Any
 
 
 def ensure_in_path(path: str) -> None:

tests/test_multipart.py

@@ -37,7 +37,8 @@
 from .compat import parametrize, parametrize_class
 
 if TYPE_CHECKING:
-    from typing import Any, Iterator, TypedDict
+    from collections.abc import Iterator
+    from typing import Any, TypedDict
 
     from python_multipart.multipart import FieldProtocol, FileConfig, FileProtocol
 
@@ -1069,7 +1070,9 @@ def test_bad_start_boundary(self) -> None:
 
         self.make("boundary")
         data = b"--Boundary\r\nfoobar"
-        with self.assertRaisesRegex(MultipartParseError, "Expected boundary character %r, got %r" % (b"b"[0], b"B"[0])):
+        with self.assertRaisesRegex(
+            MultipartParseError, "Expected boundary character {!r}, got {!r}".format(b"b"[0], b"B"[0])
+        ):
             self.f.write(data)
 
     def test_octet_stream(self) -> None: