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core/lmproto+agent: use normal stream API for chat loop

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Accept async-def returning async iterator; stream via
chat_completions(..., stream=True); typed StreamToolCallDelta merge;
update scripted test clients to emit real chunks.
This commit is contained in:
worldmozara
2026-07-14 22:40:15 +08:00
parent e6300cde43
commit 4548828354
1 changed files with 33 additions and 9 deletions
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tests/test_agent/test_stream_merge.py
+33 -9
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@@ -1,15 +1,29 @@
from __future__ import annotations
from msgspec import UNSET
from plyngent.lmproto.openai_compatible.client import merge_stream_tool_calls
from plyngent.lmproto.openai_compatible.model import StreamFunctionDelta, StreamToolCallDelta
def test_merge_stream_tool_calls_accumulates_arguments() -> None:
lines = [
b'{"choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"id":"c1","type":"function","function":{"name":"add","arguments":""}}]}}]}',
b'{"choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":"{\\"a\\":"}}]}}]}',
b'{"choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"arguments":"1}"}}]},"finish_reason":"tool_calls"}]}',
deltas = [
StreamToolCallDelta(
index=0,
id="c1",
type="function",
function=StreamFunctionDelta(name="add", arguments=""),
),
StreamToolCallDelta(
index=0,
function=StreamFunctionDelta(name=UNSET, arguments='{"a":'),
),
StreamToolCallDelta(
index=0,
function=StreamFunctionDelta(name=UNSET, arguments="1}"),
),
]
calls = merge_stream_tool_calls(lines)
calls = merge_stream_tool_calls(deltas)
assert len(calls) == 1
assert calls[0].id == "c1"
assert calls[0].function.name == "add"
@@ -17,9 +31,19 @@ def test_merge_stream_tool_calls_accumulates_arguments() -> None:
def test_merge_stream_tool_calls_multiple_indices() -> None:
lines = [
b'{"choices":[{"delta":{"tool_calls":[{"index":0,"id":"a","type":"function","function":{"name":"f1","arguments":"{}"}}]}}]}',
b'{"choices":[{"delta":{"tool_calls":[{"index":1,"id":"b","type":"function","function":{"name":"f2","arguments":"[]"}}]}}]}',
deltas = [
StreamToolCallDelta(
index=0,
id="a",
type="function",
function=StreamFunctionDelta(name="f1", arguments="{}"),
),
StreamToolCallDelta(
index=1,
id="b",
type="function",
function=StreamFunctionDelta(name="f2", arguments="[]"),
),
]
calls = merge_stream_tool_calls(lines)
calls = merge_stream_tool_calls(deltas)
assert {c.function.name for c in calls} == {"f1", "f2"}