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https://github.com/langchain-ai/langgraph.git
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f87608a16f
Fixes #5554 This PR removes unused utility classes and functions from the prebuilt tests directory to clean up dead code. Changes include: - Removed unused classes from `libs/prebuilt/tests/any_str.py`: - Deleted FloatBetween, AnyDict, AnyVersion, and UnsortedSequence - Kept only AnyStr class - Removed unused functions from `libs/prebuilt/tests/messages.py`: - Deleted _AnyIdDocument and _AnyIdAIMessageChunk - Kept _AnyIdHumanMessage and _AnyIdToolMessage - Removed unused classes from `libs/prebuilt/tests/memory_assert.py`: - Deleted NoopSerializer, MemorySaverAssertCheckpointMetadata, and MemorySaverNoPending - Kept MemorySaverAssertImmutable Verification: - Manually checked for no remaining references to removed code - Maintained existing import structures - Preserved functionality of the prebuilt test suite The changes reduce code complexity and remove unnecessary utility classes that were not being used in the test suite. --------- Co-authored-by: open-swe-dev[bot] <open-swe-dev@users.noreply.github.com> Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
import os
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import tempfile
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from collections import defaultdict
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from functools import partial
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from typing import Optional
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from langgraph.checkpoint.base import (
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ChannelVersions,
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Checkpoint,
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CheckpointMetadata,
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SerializerProtocol,
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)
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from langgraph.checkpoint.memory import InMemorySaver, PersistentDict
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from langgraph.pregel.checkpoint import copy_checkpoint
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class MemorySaverAssertImmutable(InMemorySaver):
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storage_for_copies: defaultdict[str, dict[str, dict[str, Checkpoint]]]
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def __init__(
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self,
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*,
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serde: Optional[SerializerProtocol] = None,
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put_sleep: Optional[float] = None,
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) -> None:
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_, filename = tempfile.mkstemp()
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super().__init__(
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serde=serde, factory=partial(PersistentDict, filename=filename)
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)
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self.storage_for_copies = defaultdict(lambda: defaultdict(dict))
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self.put_sleep = put_sleep
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self.stack.callback(os.remove, filename)
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def put(
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self,
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config: dict,
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checkpoint: Checkpoint,
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metadata: CheckpointMetadata,
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new_versions: ChannelVersions,
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) -> None:
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if self.put_sleep:
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import time
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time.sleep(self.put_sleep)
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# assert checkpoint hasn't been modified since last written
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thread_id = config["configurable"]["thread_id"]
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checkpoint_ns = config["configurable"]["checkpoint_ns"]
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if saved := super().get(config):
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assert (
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self.serde.loads_typed(
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self.storage_for_copies[thread_id][checkpoint_ns][saved["id"]]
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)
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== saved
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)
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self.storage_for_copies[thread_id][checkpoint_ns][checkpoint["id"]] = (
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self.serde.dumps_typed(copy_checkpoint(checkpoint))
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)
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# call super to write checkpoint
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return super().put(config, checkpoint, metadata, new_versions)
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