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refactor: rename DummyProcess to FallbackProcess in Windows stdio by felixweinberger · Pull Request #1015 · modelcontextprotocol/python-sdk · GitHub

/ python-sdk Public

refactor: rename DummyProcess to FallbackProcess in Windows stdio #1015

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Merged
ihrpr merged 1 commit into from
Jun 24, 2025
+6 −6
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refactor: rename DummyProcess to FallbackProcess in Windows stdio #1015

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12 changes: 6 additions & 6 deletions src/mcp/client/stdio/win32.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ def get_windows_executable_command(command: str) -> str:
return command


class DummyProcess:
class FallbackProcess:
"""
A fallback process wrapper for Windows to handle async I/O
when using subprocess.Popen, which provides sync-only FileIO objects.
Expand Down Expand Up @@ -115,7 +115,7 @@ async def create_windows_process(
env: dict[str, str] | None = None,
errlog: TextIO | None = sys.stderr,
cwd: Path | str | None = None,
) -> DummyProcess:
) -> FallbackProcess:
"""
Creates a subprocess in a Windows-compatible way.

Expand All @@ -131,7 +131,7 @@ async def create_windows_process(
cwd (Path | str | None): Working directory for the subprocess

Returns:
DummyProcess: Async-compatible subprocess with stdin and stdout streams
FallbackProcess: Async-compatible subprocess with stdin and stdout streams
"""
try:
# Try launching with creationflags to avoid opening a new console window
Expand All @@ -145,7 +145,7 @@ async def create_windows_process(
bufsize=0, # Unbuffered output
creationflags=getattr(subprocess, "CREATE_NO_WINDOW", 0),
)
return DummyProcess(popen_obj)
return FallbackProcess(popen_obj)

except Exception:
# If creationflags failed, fallback without them
Expand All @@ -158,10 +158,10 @@ async def create_windows_process(
cwd=cwd,
bufsize=0,
)
return DummyProcess(popen_obj)
return FallbackProcess(popen_obj)


async def terminate_windows_process(process: Process | DummyProcess):
async def terminate_windows_process(process: Process | FallbackProcess):
"""
Terminate a Windows process.

Expand Down
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