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Added max buffer size in subprocess_cli

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This commit is contained in:
Phantom168 2025-06-30 23:54:24 +05:30
parent 591202dd31
commit 6f40c1567b
2 changed files with 10 additions and 3 deletions
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10
src/claude_code_sdk/_internal/transport/subprocess_cli.py
View file

@ -18,6 +18,8 @@ from ...types import ClaudeCodeOptions
from . import Transport
_MAX_BUFFER_SIZE = 1 * 1024 * 1024 # 1MB
class SubprocessCLITransport(Transport):
"""Subprocess transport using Claude Code CLI."""
@ -197,9 +199,13 @@ class SubprocessCLITransport(Transport):
json_line = json_line.strip()
if not json_line:
continue
json_buffer += json_line
if(len(json_buffer.encode(self._stdout_stream.encoding)) > _MAX_BUFFER_SIZE):
raise OverflowError(f"JSON message buffer exceeded max size: "
f"{_MAX_BUFFER_SIZE/(1024*1024)} MB")
try:
json_buffer += json_line
data = json.loads(json_buffer)
json_buffer = ""
try:

3
tests/test_subprocess_buffering.py
View file

@ -17,6 +17,7 @@ class MockTextReceiveStream:
def __init__(self, lines: list[str]) -> None:
self.lines = lines
self.index = 0
self.encoding = "utf-8"
def __aiter__(self) -> AsyncIterator[str]:
return self
@ -140,7 +141,7 @@ class TestSubprocessBuffering:
anyio.run(_test)
def test_object_over_buffer_limit(self) -> None:
def test_objects_over_buffer_limit(self) -> None:
"""Test parsing with a json object larger than the buffer limit."""
async def _test() -> None: