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dfeb9d3b46e9dfd9b2f5ebbc8a425e4037e99268
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2208 Commits
Author SHA1 Message Date
Tat Dat Duong dfeb9d3b46 release(langgraph): 0.3.25 2025-04-03 22:12:16 +02:00
David DuongandGitHub 81935a73d8 feat(langgraph): Add UI messages API (#4157) 
Sample usage:

```python
from typing import Annotated, Sequence, TypedDict

from langchain_core.messages import BaseMessage
from langchain_openai import ChatOpenAI
from langgraph.graph import StateGraph
from langgraph.graph.message import add_messages

from langgraph.graph.ui import AnyUIMessage, ui_message_reducer, push_ui_message


class AgentState(TypedDict):  # noqa: D101
    messages: Annotated[Sequence[BaseMessage], add_messages]
    ui: Annotated[Sequence[AnyUIMessage], ui_message_reducer]


async def agent(state: AgentState):  # noqa: D103
    message = await ChatOpenAI(model="gpt-4o-mini", temperature=0).ainvoke(
        state["messages"]
    )

    # Also directly writes the message to `ui`
    push_ui_message("simple", {"hello": "123"}, message=message, state_key="ui")

    return {"messages": [message]}

```
 2025-04-03 22:10:18 +02:00
Tat Dat Duong 615fc8b4ae Update naming 2025-04-03 21:58:16 +02:00
Vadym BardaandGitHub e89633f30b prebuilt: release 0.1.8 (#4161) 2025-04-03 12:01:18 -04:00
Tat Dat Duong cba240e70e release(cli): 0.1.84 2025-04-03 15:15:52 +02:00
Tat Dat Duong af6552a17e Move to langgraph/graph 2025-04-03 14:13:26 +02:00
Tat Dat Duong e38c30a434 Other docstring changes 2025-04-03 14:13:26 +02:00
Tat Dat Duong e41dea4cf9 Remove unnecessary return value 2025-04-03 14:13:26 +02:00
Tat Dat Duong f9f8c19ec4 Update docstrings 2025-04-03 14:13:26 +02:00
Tat Dat Duong 64ab3217f6 Add UI messages API 2025-04-03 14:13:26 +02:00
David DuongandGitHub 9af243d138 feat(cli): pass ui and ui config to inmem server, handle Docker setup for UI (#4100) 2025-04-03 14:11:30 +02:00
David DuongandGitHub 3f1d440aee fix(sdk-js): send accepts any input (#4099) 2025-04-03 14:00:31 +02:00
Tat Dat Duong 78901599e6 Add test for UI config 2025-04-03 13:48:14 +02:00
Tat Dat Duong 958c0df2d7 Install Node.js runtime and run the build process to get the UI 2025-04-03 13:48:14 +02:00
Tat Dat Duong 6919de8b3e feat(cli): pass ui and ui config to inmem server 2025-04-03 13:48:14 +02:00
Nuno CamposandGitHub e9a66cef46 Update jinja2 dev dep (#4150) 2025-04-02 16:02:25 -07:00
Nuno CamposandGitHub 728679e48e Bump langchain-core from 0.3.0 to 0.3.15 in /libs/checkpoint-sqlite (#3978) 
Bumps [langchain-core](https://github.com/langchain-ai/langchain) from
0.3.0 to 0.3.15.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/langchain-ai/langchain/commit/25a103187137077d4331e7153fe119e1c0c3ffb6"><code>25a1031</code></a>
community: Fix a validation error for MoonshotChat (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27801">#27801</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/e4e2aa0b78e6662bb5cebb06b15c19ddbe96ae43"><code>e4e2aa0</code></a>
core[patch]: update image util err msg (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27803">#27803</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/181bcd05778ff08688ea22f8dab81a6bd27501fd"><code>181bcd0</code></a>
core[patch]: Release 0.3.15 (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27802">#27802</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/c1e742347f9701aadba8920e4d1f79a636e50b68"><code>c1e7423</code></a>
core[patch]: rm image loading (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27797">#27797</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/ad0387ac97e0c8feee4272f4ed98f0d65bd616ba"><code>ad0387a</code></a>
Improvement [docs] Improve api docs (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27787">#27787</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/d9163e7afa0e5e975d36b7482c6a101e5c5dc375"><code>d9163e7</code></a>
community[docs]: Add content for the Lora adapter in the VLLM page. (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27788">#27788</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/0172d938b4bf1e9da9f3b796dbfce64c565ce565"><code>0172d93</code></a>
community: add AzureOpenAIWhisperParser (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27796">#27796</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/b631b0a5964bcdd46cf30fa0e91925d724ec7ae8"><code>b631b0a</code></a>
community[patch]: cap SQLAlchemy and update deps (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27792">#27792</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/8ad7adad8784d01ad1cbbb8b4c5f8102dbf11a63"><code>8ad7ada</code></a>
infra: build api docs from package listing (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27774">#27774</a>)</li>
<li><a
href="https://github.com/langchain-ai/langchain/commit/3952ee31b8fc95b1ed74b83429002a7b5da630a3"><code>3952ee3</code></a>
ollama: add pydocstyle linting for ollama (<a
href="https://redirect.github.com/langchain-ai/langchain/issues/27686">#27686</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langchain/compare/langchain-core==0.3.0...langchain-core==0.3.15">compare
view</a></li>
</ul>
</details>
<br />


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 2025-04-02 15:57:14 -07:00
Nuno Campos f118a61101 Update jinja2 dev dep 2025-04-02 15:56:00 -07:00
dependabot[bot]andNuno Campos 8963bb2b68 Bump langchain-core from 0.3.0 to 0.3.15 in /libs/checkpoint-sqlite 
Bumps [langchain-core](https://github.com/langchain-ai/langchain) from 0.3.0 to 0.3.15.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/compare/langchain-core==0.3.0...langchain-core==0.3.15)

---
updated-dependencies:
- dependency-name: langchain-core
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-04-02 15:50:49 -07:00
dependabot[bot]andNuno Campos 499a1812e8 Bump langchain-core from 0.2.38 to 0.2.43 in /libs/checkpoint 
Bumps [langchain-core](https://github.com/langchain-ai/langchain) from 0.2.38 to 0.2.43.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/compare/langchain-core==0.2.38...langchain-core==0.2.43)

---
updated-dependencies:
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  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-04-02 15:49:49 -07:00
Nuno Campos 2cb81201b2 0.3.24 2025-04-02 15:45:06 -07:00
Nuno Campos 494cd4f6ad checkpoint 2.0.24 2025-04-02 15:44:58 -07:00
Nuno CamposandGitHub 9226b42150 Add checkpoint migrations for state graph internal channels (#4125) 2025-04-02 15:42:28 -07:00
Eugene YurtsevandGitHub 5e0a843423 sdk-py: release 0.1.61 (#4148) 2025-04-02 15:34:36 -07:00
Eugene YurtsevGitHubWilliam FH
 		6e54f74fa9 sdk-py: Add option to set description via client sdk (#4147) 
Co-authored-by: William FH <13333726+hinthornw@users.noreply.github.com>
 2025-04-02 21:26:14 +00:00
Nuno Campos ffb8400b19 Disable tests in 3.9 2025-04-02 14:05:15 -07:00
Nuno Campos b6b40149a9 Fix 2025-04-02 13:56:29 -07:00
Nuno Campos 5eecd2ac3a Update 2025-04-02 13:31:36 -07:00
Nuno Campos c38f7be89c Migrate quadratic channels too 2025-04-02 13:24:20 -07:00
Nuno Campos 2d406f03a2 Lint 2025-04-02 12:56:09 -07:00
Nuno Campos 1c48ec0aba Lint 2025-04-02 12:48:10 -07:00
Nuno Campos 4dda404da3 Implement checkpoint migration 
- Migrate start:{node} channels to branch:to:{node}
- Migrate {node} channels to branch:to:{node}
 2025-04-02 12:44:59 -07:00
Vadym BardaandGitHub 67e8f8fc11 prebuilt: add optional pre-model hook that runs before calling LLM in create_react_agent (#4059) 
Example:

```python
from typing import Any
from langchain_openai import ChatOpenAI
from langchain_community.tools.tavily_search import TavilySearchResults
from langchain_core.messages import AnyMessage
from langchain_core.messages.utils import count_tokens_approximately

from langgraph.graph import MessagesState
from langgraph.prebuilt.chat_agent_executor import create_react_agent, AgentState
from langgraph.checkpoint.memory import InMemorySaver

from langmem.short_term import SummarizationNode, RunningSummary


class State(MessagesState):
    context: dict[str, Any]

search = TavilySearchResults(max_results=3)
tools = [search]

model = ChatOpenAI(model="gpt-4o")
summarization_model = model.bind(max_tokens=256)

summarization_node = SummarizationNode(
    token_counter=count_tokens_approximately,
    model=summarization_model,
    max_tokens=2048,
    max_summary_tokens=256,
    output_messages_key="messages"
    # output_messages_key="llm_input_messages"
)

checkpointer = InMemorySaver()


class State(AgentState):
    user_language: str

    # summarization-related keys
    context: dict[str, Any]


def prompt(state):
    language = state["user_language"]
    system_msg = f"Always respond in {language}"
    return [{"role": "system", "content": system_msg}] + state["messages"]


graph = create_react_agent(
    model,
    tools,
    prompt=prompt,
    pre_model_hook=summarization_node,
    state_schema=State,
    checkpointer=checkpointer
)
```
 2025-04-02 15:41:31 +00:00
Nuno CamposandNuno Campos 6fe319ed1b WIP: Add migrate_checkpoint 2025-04-02 07:24:55 -07:00
Vadym BardaandGitHub 55f922cf2f langgraph: release 0.3.23 (#4141) 2025-04-02 09:50:18 -04:00
Nuno Campos 6efeefe424 Maintain checkpoint LATEST_VERSION constant in langgraph lib 
- This should be controlled by the langgraph version, not the version of langgraph-checkpoint installed
 2025-04-01 21:46:38 -07:00
William FHandGitHub da8b8c606a Release CLI (#4124) 
Signed-off-by: William Fu-Hinthorn <13333726+hinthornw@users.noreply.github.com>
 2025-04-01 21:28:58 -07:00
William FHandGitHub dcda8c24d6 Add checkpointer configuration support in langgraph.json (#4122) 
Signed-off-by: William Fu-Hinthorn <13333726+hinthornw@users.noreply.github.com>
 2025-04-01 21:16:12 -07:00
Vadym BardaandGitHub e3d697620b langgraph: support removing all messages with RemoveMessage (#4117) 2025-04-01 17:51:54 -04:00
Nuno Campos 30883729f0 0.3.22 2025-04-01 07:54:24 -07:00
William Fu-Hinthorn 9bd78ed483 Allow blocking in dev 
Signed-off-by: William Fu-Hinthorn <13333726+hinthornw@users.noreply.github.com>
 2025-04-01 05:45:47 -07:00
Nuno Campos e85b7e6cd9 Lint 2025-03-31 18:46:51 -07:00
Nuno Campos 94fa46f9fa Avoid creating checkpoint unless we're saving it 
- When checkpointing is disabled don't call create_checkpoint in PregelLoop
- In local_read apply writes directly to copies of updated channels
- Add BaseChannel.copy() method to create channel copies with less overhead
 2025-03-31 18:37:13 -07:00
Nuno Campos fd64ada9de Avoid raise-catch strategy in BaseChannel.checkpoint() 
- This mirrors the work done earlier on BaseChannel.get()
- Comparing to a sentinel value is significantly faster than raising and catching an exception
 2025-03-31 17:48:19 -07:00
Nuno Campos 5e9e7b79fe Lint 2025-03-31 17:36:00 -07:00
Nuno Campos c49a077789 Lint 2025-03-31 17:24:26 -07:00
Nuno Campos 881b07cf7f Lint 2025-03-31 16:36:16 -07:00
Nuno Campos 0425d4e65d Update 2025-03-31 16:29:07 -07:00
Nuno Campos 118016a21c Add fast path to serialize None values 2025-03-31 16:15:56 -07:00
Nuno Campos 067b99c789 Lazily create atomic counters in pregel scratchpad 
- many times these aren't actually used, so makes sense to delay creation until needed
 2025-03-31 15:19:53 -07:00