Remove path to string conversion

aiogram/client/bot.py

@@ -387,7 +387,7 @@ class Bot:
 
     @classmethod
     async def __aiofiles_reader(
-        cls, file: str, chunk_size: int = 65536
+        cls, file: Union[str, pathlib.Path], chunk_size: int = 65536
     ) -> AsyncGenerator[bytes, None]:
         async with aiofiles.open(file, "rb") as f:
             while chunk := await f.read(chunk_size):
@@ -395,7 +395,7 @@ class Bot:
 
     async def download_file(
         self,
-        file_path: str,
+        file_path: Union[str, pathlib.Path],
         destination: Optional[Union[BinaryIO, pathlib.Path, str]] = None,
         timeout: int = 30,
         chunk_size: int = 65536,
@@ -419,7 +419,7 @@ class Bot:
         close_stream = False
         if self.session.api.is_local:
             stream = self.__aiofiles_reader(
-                str(self.session.api.wrap_local_file.to_local(file_path)), chunk_size=chunk_size
+                self.session.api.wrap_local_file.to_local(file_path), chunk_size=chunk_size
             )
             close_stream = True
         else:

aiogram/client/telegram.py

@@ -67,7 +67,7 @@ class TelegramAPIServer:
         """
         return self.base.format(token=token, method=method)
 
-    def file_url(self, token: str, path: str) -> str:
+    def file_url(self, token: str, path: Union[str, Path]) -> str:
         """
         Generate URL for downloading files
 

tests/test_api/test_client/test_api_server.py

@@ -1,5 +1,7 @@
 from pathlib import Path
 
+import pytest
+
 from aiogram.client.telegram import (
     PRODUCTION,
     BareFilesPathWrapper,
@@ -13,15 +15,17 @@ class TestAPIServer:
         method_url = PRODUCTION.api_url(token="42:TEST", method="apiMethod")
         assert method_url == "https://api.telegram.org/bot42:TEST/apiMethod"
 
-    def test_file_url(self):
-        file_url = PRODUCTION.file_url(token="42:TEST", path="path")
+    @pytest.mark.parametrize("path", ["path", Path("path")])
+    def test_file_url(self, path):
+        file_url = PRODUCTION.file_url(token="42:TEST", path=path)
         assert file_url == "https://api.telegram.org/file/bot42:TEST/path"
 
-    def test_from_base(self):
+    @pytest.mark.parametrize("path", ["path", Path("path")])
+    def test_from_base(self, path):
         local_server = TelegramAPIServer.from_base("http://localhost:8081", is_local=True)
 
         method_url = local_server.api_url("42:TEST", method="apiMethod")
-        file_url = local_server.file_url(token="42:TEST", path="path")
+        file_url = local_server.file_url(token="42:TEST", path=path)
 
         assert method_url == "http://localhost:8081/bot42:TEST/apiMethod"
         assert file_url == "http://localhost:8081/file/bot42:TEST/path"

tests/test_api/test_client/test_bot.py

@@ -1,5 +1,6 @@
 import io
 import os
+from pathlib import Path
 from tempfile import mkstemp
 from unittest.mock import AsyncMock, MagicMock, patch
 
@@ -112,7 +113,8 @@ class TestBot:
                 mocked_close.assert_not_awaited()
                 await session.close()
 
-    async def test_download_file(self, aresponses: ResponsesMockServer):
+    @pytest.mark.parametrize("file_path", ["file.png", Path("file.png")])
+    async def test_download_file(self, aresponses: ResponsesMockServer, file_path):
         aresponses.add(
             method_pattern="get",
             response=aresponses.Response(status=200, body=b"\f" * 10),
@@ -127,7 +129,7 @@ class TestBot:
 
         async with Bot("42:TEST").context() as bot:
             with patch("aiofiles.threadpool.sync_open", return_value=mock_file):
-                await bot.download_file("TEST", "file.png")
+                await bot.download_file("TEST", file_path)
                 mock_file.write.assert_called_once_with(b"\f" * 10)
 
     async def test_download_file_default_destination(