Update typing using pyupgrade

docs/_generate_requests_docstrings.py

@@ -12,7 +12,7 @@
 import importlib.util
 import inspect
 import os
-from typing import Any, Optional, Type
+from typing import Any
 
 from pydantic import BaseModel
 
@@ -23,7 +23,7 @@ def __init__(self, name: str, lineno: int, col_offset: int, original_text: str):
         self.lineno = lineno
         self.col_offset = col_offset
         self.original_text = original_text
-        self.docstring: Optional[str] = None
+        self.docstring: str | None = None
 
     def add_docstring(self, docstring: str) -> None:
         """Add a docstring to the class."""
@@ -49,23 +49,23 @@ def format_docstring(docstring: str, indent: str) -> str:
     return '\n'.join(indented_lines)
 
 
-def get_docstring_from_parent(cls: type) -> Optional[str]:
+def get_docstring_from_parent(cls: type) -> str | None:
     """Get the docstring from the parent class."""
     for base in cls.__bases__:
         if base.__doc__:
             return base.__doc__
     return None
 
 
-def get_field_docstring(cls: Type[BaseModel], field_name: str) -> str:
+def get_field_docstring(cls: type[BaseModel], field_name: str) -> str:
     """Get the docstring of a field from the class."""
     for name, obj in inspect.getmembers(cls):
         if name == field_name:
             return obj.__doc__ or "No docstring provided."
     return "No docstring found."
 
 
-def format_type(annotation: Type[Any] | None) -> str:
+def format_type(annotation: type[Any] | None) -> str:
     """Format the type to show module and class name."""
     if annotation is None:
         raise ValueError("Annotation cannot be None")
@@ -79,7 +79,7 @@ def format_type(annotation: Type[Any] | None) -> str:
     return str(annotation)  # Fallback for other types
 
 
-def get_pydantic_fields(cls: Type[BaseModel]) -> str:
+def get_pydantic_fields(cls: type[BaseModel]) -> str:
     """Get the fields of a Pydantic model and format them as Google-style Args."""
     if not issubclass(cls, BaseModel):
         return ""
@@ -109,7 +109,7 @@ def get_pydantic_fields(cls: Type[BaseModel]) -> str:
 
 def parse_file(file_path: str) -> list[ClassInfo]:
     """Parse the file and extract class definitions."""
-    with open(file_path, 'r') as file:
+    with open(file_path) as file:
         lines = file.readlines()
         tree = ast.parse(''.join(lines))
 
@@ -146,7 +146,7 @@ def update_class_docstrings(file_path: str) -> None:
                 full_docstring = parent_docstring + args_section
                 class_info.add_docstring(full_docstring)
 
-    with open(file_path, 'r', encoding="utf-8") as file:
+    with open(file_path, encoding="utf-8") as file:
         lines = file.readlines()
 
     updated_lines = []

examples/usb/download_file.py

@@ -21,7 +21,7 @@ async def main() -> None:
         file_data = await client.download_file(file_location)
         end_s = time.time()
         duration = end_s - start_s
-        speed = round(len(file_data) / ((duration)) / 1000, 2)
+        speed = round(len(file_data) / duration / 1000, 2)
 
         print(f"Speed {speed} KB/s")
 

smpclient/__init__.py

@@ -26,9 +26,10 @@
 import asyncio
 import logging
 import traceback
+from collections.abc import AsyncIterator
 from hashlib import sha256
 from types import TracebackType
-from typing import AsyncIterator, Final, Type
+from typing import Final
 
 from pydantic import ValidationError
 from smp import header as smpheader
@@ -414,7 +415,7 @@ async def __aenter__(self) -> "SMPClient":
 
     async def __aexit__(
         self,
-        exc_type: Type[BaseException] | None,
+        exc_type: type[BaseException] | None,
         exc_value: BaseException | None,
         tb: TracebackType | None,
     ) -> None:

smpclient/extensions/intercreate.py

@@ -1,6 +1,7 @@
 """Intercreate extensions of the `SMPClient`."""
 
-from typing import AsyncIterator, Final
+from collections.abc import AsyncIterator
+from typing import Final
 
 from smp import header as smpheader
 

smpclient/generics.py

@@ -1,6 +1,6 @@
 """Generics and Type Narrowing for SMP Requests and Responses."""
 
-from typing import Protocol, Type, TypeVar, Union
+from typing import Protocol, TypeVar, Union
 
 from smp import error as smperror
 from smp import header as smphdr
@@ -32,9 +32,9 @@ class ImageStatesRead(smpimg.ImageStatesReadRequest):
     ```
     """
 
-    _Response: Type[TRep]
-    _ErrorV1: Type[TEr1]
-    _ErrorV2: Type[TEr2]
+    _Response: type[TRep]
+    _ErrorV1: type[TEr1]
+    _ErrorV2: type[TEr2]
 
     @property
     def BYTES(self) -> bytes:  # pragma: no cover

smpclient/transport/ble.py

@@ -4,15 +4,15 @@
 import logging
 import re
 import sys
-from typing import Final, Protocol
+from typing import Final, Protocol, TypeGuard
 from uuid import UUID
 
 from bleak import BleakClient, BleakGATTCharacteristic, BleakScanner
 from bleak.args.winrt import WinRTClientArgs
 from bleak.backends.client import BaseBleakClient
 from bleak.backends.device import BLEDevice
 from smp import header as smphdr
-from typing_extensions import TypeGuard, override
+from typing_extensions import override
 
 from smpclient.exceptions import SMPClientException
 from smpclient.transport import SMPTransport, SMPTransportDisconnected

smpclient/transport/serial.py

@@ -227,7 +227,7 @@ async def read_serial(self, delimiter: bytes | None = None) -> bytes:
             try:
                 first_match, remaining_data = self._serial_buffer.split(delimiter, 1)
             except ValueError:
-                return bytes()
+                return b''
             self._serial_buffer = remaining_data
             return bytes(first_match)
 

tests/fixtures/analyze-mcuboot-img.py

@@ -107,7 +107,7 @@ def main():
     print('Initial image bytes:')
     start = img_header.hdr_size
     end = start + min(20, img_header.img_size)
-    print('\t' + ' '.join('{:02x}'.format(b) for b in contents[start:end]))
+    print('\t' + ' '.join(f'{b:02x}' for b in contents[start:end]))
 
     tlv_info_offset = img_header.hdr_size + img_header.img_size
     tlv_info = TLVInfo(*struct.unpack_from(TLV_INFO_FMT, contents, offset=tlv_info_offset))
@@ -117,11 +117,11 @@ def main():
     tlv_num = 0
     while tlv_off < tlv_end:
         tlv_hdr = TLVHeader(*struct.unpack_from(TLV_HDR_FMT, contents, offset=tlv_off))
-        print('TLV {}:'.format(tlv_num), tlv_hdr)
+        print(f'TLV {tlv_num}:', tlv_hdr)
         if tlv_hdr.len <= 32:
             start = tlv_off + TLV_HDR_SIZE
             end = start + tlv_hdr.len
-            print('\t' + ' '.join('{:02x}'.format(b) for b in contents[start:end]))
+            print('\t' + ' '.join(f'{b:02x}' for b in contents[start:end]))
         tlv_off += TLV_HDR_SIZE + tlv_hdr.len
         tlv_num += 1
 

tests/test_requests.py

@@ -1,7 +1,5 @@
 """Test the `SMPRequest` `Protocol` implementations."""
 
-from typing import Type
-
 import pytest
 from smp import enumeration_management as smpem
 from smp import error as smperr
@@ -297,9 +295,9 @@ def test_requests(
     test_tuple: tuple[
         smpmsg.Request,
         SMPRequest[TRep, TEr1, TEr2],
-        Type[smpmsg.Response],
-        Type[smperr.ErrorV1],
-        Type[smperr.ErrorV2],
+        type[smpmsg.Response],
+        type[smperr.ErrorV1],
+        type[smperr.ErrorV2],
     ],
 ) -> None:
     a, b, Response, ErrorV1, ErrorV2 = test_tuple

tests/test_smp_client.py

@@ -1,6 +1,5 @@
 """Tests for `SMPClient`."""
 
-import sys
 from hashlib import sha256
 from pathlib import Path
 from unittest.mock import AsyncMock, PropertyMock, call, patch
@@ -39,23 +38,6 @@
 from smpclient.requests.os_management import ResetWrite
 from smpclient.transport.serial import SMPSerialTransport
 
-if sys.version_info < (3, 10):
-    from typing import Any
-
-    async def anext(iterator: Any, default: Any = None) -> Any:
-        try:
-            return await iterator.__anext__()
-        except StopAsyncIteration:
-            if default is None:
-                raise
-            return default
-
-    def aiter(iterable: Any) -> Any:
-        if hasattr(iterable, '__aiter__'):
-            return iterable.__aiter__()
-        else:
-            raise TypeError(f"{iterable} is not async iterable")
-
 
 class SMPMockTransport:
     """Satisfies the `SMPTransport` `Protocol`."""

tests/test_smp_serial_transport.py

@@ -3,7 +3,8 @@
 from __future__ import annotations
 
 import asyncio
-from typing import Any, Generator
+from collections.abc import Generator
+from typing import Any
 from unittest.mock import AsyncMock, MagicMock, PropertyMock, patch
 
 import pytest