380 Commits (f43b48aebc1bbfe5495fc3d52a7ead2493706ca0)

Author	SHA1	Message	Date
Christophe Bornet	f43b48aebc	core[minor]: Implement aformat_messages for _StringImageMessagePromptTemplate (#20036)	5 months ago
Christophe Bornet	19001e6cb9	core[minor]: Implement aformat for FewShotPromptWithTemplates (#20039)	5 months ago
William FH	039b7a472d	[core] fix: manually specifying run_id for chat models.invoke() and .ainvoke() (#20082)	5 months ago
Guangdong Liu	5a76087965	langchain-core[minor]: Allow passing local cache to language models (#19331) ... After this PR it will be possible to pass a cache instance directly to a language model. This is useful to allow different language models to use different caches if needed. - **Issue:** close #19276 --------- Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>	6 months ago
Eugene Yurtsev	e4fc0e7502	core[patch]: Document BaseCache abstraction in code (#20046) ... Document the base cache abstraction in the cache.	6 months ago
Christophe Bornet	4d8a6a27a3	core[minor]: Implement aformat_prompt and ainvoke in BasePromptTemplate (#20035)	6 months ago
Christophe Bornet	7e5c1905b1	core[minor]: Add async aformat_document method (#20037)	6 months ago
Christophe Bornet	927793d088	Merge pull request #20038 ... * Implement aformat_messages for ChatMessagePromptTemplate	6 months ago
Bagatur	209de0a561	anthropic[minor]: tool use (#20016)	6 months ago
Jan Nissen	31e3ecc728	core[minor]: support pydantic V2 for JSONOutputParser, allow for other sources of JSON schemas (#19716) ... This PR supports using Pydantic v2 objects to generate the schema for the JSONOutputParser (#19441). This also adds a `json_schema` parameter to allow users to pass any JSON schema to validate with, not just pydantic.	6 months ago
Christophe Bornet	f97de4e275	core[minor]: Add aformat to FewShotPromptTemplate (#19652)	6 months ago
Utkarsha Gupte	b27f81c51c	core[patch]: mypy ignore fixes #17048 (#19931) ... core/langchain_core/_api[Patch]: mypy ignore fixes #17048 Related to #17048 Applied mypy fixes to below two files: libs/core/langchain_core/_api/deprecation.py libs/core/langchain_core/_api/beta_decorator.py Summary of Fixes: **Issue 1** class _deprecated_property(type(obj)): # type: ignore error: Unsupported dynamic base class "type" [misc] Fix: 1. Added an __init__ method to _deprecated_property to initialize the fget, fset, fdel, and __doc__ attributes. 2. In the __get__, __set__, and __delete__ methods, we now use the self.fget, self.fset, and self.fdel attributes to call the original methods after emitting the warning. 3. The finalize function now creates an instance of _deprecated_property with the fget, fset, fdel, and doc attributes from the original obj property. **Issue 2** def finalize( # type: ignore wrapper: Callable[..., Any], new_doc: str ) -> T: error: All conditional function variants must have identical signatures Fix: Ensured that both definitions of the finalize function have the same signature Twitter Handle - https://x.com/gupteutkarsha?s=11&t=uwHe4C3PPpGRvoO5Qpm1aA	6 months ago
Erick Friis	83f62fdacf	core: fix try_load_from_hub for older langchain versions load_chain (#19964)	6 months ago
Eugene Yurtsev	d293431e10	core[minor]: Add aload to document loader (#19936) ... Add aload to document loader	6 months ago
Ángel Igareta	31a641a155	core: fix return of draw_mermaid_png and change to not save image by default (#19950) ... - **Description:** Improvement for #19599: fixing missing return of graph.draw_mermaid_png and improve it to make the saving of the rendered image optional Co-authored-by: Angel Igareta <angel.igareta@klarna.com>	6 months ago
Bagatur	4328c54aab	core[patch]: Release 0.1.39 (#19940)	6 months ago
Nuno Campos	f4568fe0c6	core: BaseChatModel modify chat message before passing to run_manager (#19939) ... Thank you for contributing to LangChain! - [ ] **PR title**: "package: description" - Where "package" is whichever of langchain, community, core, experimental, etc. is being modified. Use "docs: ..." for purely docs changes, "templates: ..." for template changes, "infra: ..." for CI changes. - Example: "community: add foobar LLM" - [ ] **PR message**: ***Delete this entire checklist*** and replace with - **Description:** a description of the change - **Issue:** the issue # it fixes, if applicable - **Dependencies:** any dependencies required for this change - **Twitter handle:** if your PR gets announced, and you'd like a mention, we'll gladly shout you out! - [ ] **Add tests and docs**: If you're adding a new integration, please include 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/docs/integrations` directory. - [ ] **Lint and test**: Run `make format`, `make lint` and `make test` from the root of the package(s) you've modified. See contribution guidelines for more: https://python.langchain.com/docs/contributing/ Additional guidelines: - Make sure optional dependencies are imported within a function. - Please do not add dependencies to pyproject.toml files (even optional ones) unless they are required for unit tests. - Most PRs should not touch more than one package. - Changes should be backwards compatible. - If you are adding something to community, do not re-import it in langchain. If no one reviews your PR within a few days, please @-mention one of baskaryan, efriis, eyurtsev, hwchase17.	6 months ago
Erick Friis	f0d5b59962	core[patch]: remove requests (#19891) ... Removes required usage of `requests` from `langchain-core`, all of which has been deprecated. - removes Tracer V1 implementations - removes old `try_load_from_hub` github-based hub implementations Removal done in a way where imports will still succeed, and usage will fail with a `RuntimeError`.	6 months ago
Bagatur	3218463f6a	core[patch]: Release 0.1.38 (#19895)	6 months ago
Mohammad Mohtashim	9ae2df36fc	Core[major]: Base Tracer to propagate raw output from tool for on_tool_end (#18932) ... This PR completes work for PR #18798 to expose raw tool output in on_tool_end. Affected APIs: * astream_log * astream_events * callbacks sent to langsmith via langsmith-sdk * Any other code that relies on BaseTracer! --------- Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com> Co-authored-by: Bagatur <baskaryan@gmail.com>	6 months ago
Nuno Campos	2ae6dcdf01	core: Assign missing message ids in BaseChatModel (#19863) ... - This ensures ids are stable across streamed chunks - Multiple messages in batch call get separate ids - Also fix ids being dropped when combining message chunks Thank you for contributing to LangChain! - [ ] **PR title**: "package: description" - Where "package" is whichever of langchain, community, core, experimental, etc. is being modified. Use "docs: ..." for purely docs changes, "templates: ..." for template changes, "infra: ..." for CI changes. - Example: "community: add foobar LLM" - [ ] **PR message**: ***Delete this entire checklist*** and replace with - **Description:** a description of the change - **Issue:** the issue # it fixes, if applicable - **Dependencies:** any dependencies required for this change - **Twitter handle:** if your PR gets announced, and you'd like a mention, we'll gladly shout you out! - [ ] **Add tests and docs**: If you're adding a new integration, please include 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/docs/integrations` directory. - [ ] **Lint and test**: Run `make format`, `make lint` and `make test` from the root of the package(s) you've modified. See contribution guidelines for more: https://python.langchain.com/docs/contributing/ Additional guidelines: - Make sure optional dependencies are imported within a function. - Please do not add dependencies to pyproject.toml files (even optional ones) unless they are required for unit tests. - Most PRs should not touch more than one package. - Changes should be backwards compatible. - If you are adding something to community, do not re-import it in langchain. If no one reviews your PR within a few days, please @-mention one of baskaryan, efriis, eyurtsev, hwchase17.	6 months ago
Mayank Solanki	d5c412b0a9	core: Add docs for RunnableConfigurableFields (#19849) ... - [x] **docs**: core: Add docs for `RunnableConfigurableFields` - **Description:** Added incode docs for `RunnableConfigurableFields` with example - **Issue:** #18803 - **Dependencies:** NA - **Twitter handle:** NA --------- Co-authored-by: Chester Curme <chester.curme@gmail.com>	6 months ago
Ángel Igareta	c2ccf22dfd	core: generate mermaid syntax and render visual graph (#19599) ... - **Description:** Add functionality to generate Mermaid syntax and render flowcharts from graph data. This includes support for custom node colors and edge curve styles, as well as the ability to export the generated graphs to PNG images using either the Mermaid.INK API or Pyppeteer for local rendering. - **Dependencies:** Optional dependencies are `pyppeteer` if rendering wants to be done using Pypeteer and Javascript code. --------- Co-authored-by: Angel Igareta <angel.igareta@klarna.com> Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>	6 months ago
Bagatur	08c10bd66a	core[patch]: Release 0.1.37 (#19831)	6 months ago
Harrison Chase	56525f2ac1	dont mutate metadata/tags (#19742)	6 months ago
Christophe Bornet	6b2b511f68	core[minor]: Add aformat_messages to FewShotChatMessagePromptTemplate and ChatPromptTemplate (#19648) ... Needed since the example selector may use a vector store.	6 months ago
ale-delfino	0df76bee37	core[patch]:: XML parser to cover the case when the xml only contains the root level tag (#17456) ... Description: Fix xml parser to handle strings that only contain the root tag Issue: N/A Dependencies: None Twitter handle: N/A A valid xml text can contain only the root level tag. Example: <body> Some text here </body> The example above is a valid xml string. If parsed with the current implementation the result is {"body": []}. This fix checks if the root level text contains any non-whitespace character and if that's the case it returns {root.tag: root.text}. The result is that the above text is correctly parsed as {"body": "Some text here"} @ale-delfino Thank you for contributing to LangChain! Checklist: - [x] PR title: Please title your PR "package: description", where "package" is whichever of langchain, community, core, experimental, etc. is being modified. Use "docs: ..." for purely docs changes, "templates: ..." for template changes, "infra: ..." for CI changes. - Example: "community: add foobar LLM" - [x] PR message: **Delete this entire template message** and replace it with the following bulleted list - **Description:** a description of the change - **Issue:** the issue # it fixes, if applicable - **Dependencies:** any dependencies required for this change - **Twitter handle:** if your PR gets announced, and you'd like a mention, we'll gladly shout you out! - [x] Pass lint and test: Run `make format`, `make lint` and `make test` from the root of the package(s) you've modified to check that you're passing lint and testing. See contribution guidelines for more information on how to write/run tests, lint, etc: https://python.langchain.com/docs/contributing/ - [x] Add tests and docs: If you're adding a new integration, please include 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/docs/integrations` directory. Additional guidelines: - Make sure optional dependencies are imported within a function. - Please do not add dependencies to pyproject.toml files (even optional ones) unless they are required for unit tests. - Most PRs should not touch more than one package. - Changes should be backwards compatible. - If you are adding something to community, do not re-import it in langchain. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @efriis, @eyurtsev, @hwchase17. --------- Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>	6 months ago
Luca Dorigo	f19229c564	core[patch]: fix beta, deprecated typing (#18877) ... **Description:** While not technically incorrect, the TypeVar used for the `@beta` decorator prevented pyright (and thus most vscode users) from correctly seeing the types of functions/classes decorated with `@beta`. This is in part due to a small bug in pyright (https://github.com/microsoft/pyright/issues/7448 ) - however, the `Type` bound in the typevar `C = TypeVar("C", Type, Callable)` is not doing anything - classes are `Callables` by default, so by my understanding binding to `Type` does not actually provide any more safety - the modified annotation still works correctly for both functions, properties, and classes. --------- Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com> Co-authored-by: Bagatur <baskaryan@gmail.com>	6 months ago
aditya thomas	263ee78886	core[runnables]: docstring for class RunnableSerializable, method configurable_fields (#19722) ... **Description:** Update to the docstring for class RunnableSerializable, method configurable_fields **Issue:** [Add in code documentation to core Runnable methods #18804](https://github.com/langchain-ai/langchain/issues/18804) **Dependencies:** None --------- Co-authored-by: Chester Curme <chester.curme@gmail.com>	6 months ago
aditya thomas	ec4dcfca7f	core[runnables]: docstring of class RunnableSerializable, method configurable_alternatives (#19724) ... **Description:** Update to the docstring for class RunnableSerializable, method configurable_alternatives **Issue:** [Add in code documentation to core Runnable methods #18804](https://github.com/langchain-ai/langchain/issues/18804) **Dependencies:** None --------- Co-authored-by: Chester Curme <chester.curme@gmail.com>	6 months ago
Guangdong Liu	0571f886d1	core[patch]: Fix jsonOutputParser fails if a json value contains ``` inside it. (#19717) ... - **Issue:** fix #19646 - @baskaryan, @eyurtsev PTAL	6 months ago
Erick Friis	8c2ed85a45	core[patch], infra: release 0.1.36, run partner CI on core PRs (#19688)	6 months ago
Nuno Campos	fdfb51ad8d	core: Two updates to chat model interface (#19684) ... - .stream() and .astream() call on_llm_new_token, removing the need for subclasses to do so. Backwards compatible because now we don't pass run_manager into ._stream and ._astream - .generate() and .agenerate() now handle `stream: bool` kwarg for _generate and _agenerate. Subclasses handle this arg by delegating to ._stream(), now one less thing they need to do. Backwards compat because this is an optional arg that we now never pass to the subclasses - .generate() and .agenerate() now inspect callback handlers to decide on a default value for stream:bool if not passed in. This auto enables streaming when using astream_events and astream_log - as a result of these three changes any usage of .astream_events and .astream_log should now yield chat model stream events - In future PRs we can update all subclasses to reflect these two things now handled by base class, but in meantime all will continue to work	6 months ago
Kahlil Wehmeyer	9c08cdea92	core[patch]: ToolException docs/exception message (#17590) ... **Description:** This PR adds a slightly more helpful message to a Tool Exception ``` # current state langchain_core.tools.ToolException: Too many arguments to single-input tool # proposed state langchain_core.tools.ToolException: Too many arguments to single-input tool. Consider using a StructuredTool instead. ``` **Issue:** Somewhat discussed here 👉 #6197 **Dependencies:** None **Twitter handle:** N/A --------- Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>	6 months ago
Christophe Bornet	33fa8cfcd0	core[minor]: Add async methods to MaxMarginalRelevanceExampleSelector (#19639)	6 months ago
Jan Nissen	2e0ddd6fb8	core[minor]: support pydantic v2 models in PydanticOutputParser (#18811) ... As mentioned in #18322, the current PydanticOutputParser won't work for anyone trying to parse to pydantic v2 models. This PR adds a separate `PydanticV2OutputParser`, as well as a `langchain_core.pydantic_v2` namespace that will fail on import to any projects using pydantic<2. Happy to update the docs for output parsers if this is something we're interesting in adding. On a separate note, I also updated `check_pydantic.sh` to detect pydantic imports with leading whitespace and excluded the internal namespaces. That change can be separated into its own PR if needed. --------- Co-authored-by: Jan Nissen <jan23@gmail.com>	6 months ago
jhicks2306	bcb8ab5216	docs: Improve docstring for Runnable bind method (#19659) ... Added example to the docstring of the "bind" method of Runnable. This makes it easier to understand the purpose of the method when reviewing in code editors. E.g. VS Code below. <img width="833" alt="Screenshot 2024-03-27 at 16 24 18" src="https://github.com/langchain-ai/langchain/assets/45722942/ad022d4e-7bc0-4f4b-aa7a-838f1816cc52"> --------- Co-authored-by: Chester Curme <chester.curme@gmail.com>	6 months ago
Christophe Bornet	409c6eeb0b	core: Add async methods to LengthBasedExampleSelector (#19640)	6 months ago
Bagatur	c7f1962f73	core[patch]: Release 0.1.35 (#19660)	6 months ago
Eugene Yurtsev	e8339b1d83	core[patch]: Patch XML vulnerability in XMLOutputParser (CVE-2024-1455) (#19653) ... Patch potential XML vulnerability CVE-2024-1455 This patches a potential XML vulnerability in the XMLOutputParser in langchain-core. The vulnerability in some situations could lead to a denial of service attack. At risk are users that: 1) Running older distributions of python that have older version of libexpat 2) Are using XMLOutputParser with an agent 3) Accept inputs from untrusted sources with this agent (e.g., endpoint on the web that allows an untrusted user to interact wiith the parser)	6 months ago
Eugene Yurtsev	8ab7bb3166	core[patch]: XMLOutputParser fix to handle changes to xml standard library (#19612) ... Newest python micro releases broke streaming in the XMLOutputParser. This fixes the parsing code to work with trailing junk after the XML content.	6 months ago
jhicks2306	087823aefa	docs: Update docstring for MessagesPlaceholder (#19601) ... Update to docstring for MessagesPlaceholder so that it shows helpful information in code editors. E.g. VS Code as shown below. <img width="587" alt="Screenshot 2024-03-26 at 17 18 58" src="https://github.com/langchain-ai/langchain/assets/45722942/8f49d09f-ed8d-4f61-a9d4-3611dbe9c9c5"> --------- Co-authored-by: Bagatur <baskaryan@gmail.com>	6 months ago
Bagatur	241774012a	core[patch]: Release 0.1.34 (#19609) ... Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>	6 months ago
Nuno Campos	c78eb55859	load: Optionally disable reading secrets from env (#19596) ... Thank you for contributing to LangChain! - [ ] **PR title**: "package: description" - Where "package" is whichever of langchain, community, core, experimental, etc. is being modified. Use "docs: ..." for purely docs changes, "templates: ..." for template changes, "infra: ..." for CI changes. - Example: "community: add foobar LLM" - [ ] **PR message**: ***Delete this entire checklist*** and replace with - **Description:** a description of the change - **Issue:** the issue # it fixes, if applicable - **Dependencies:** any dependencies required for this change - **Twitter handle:** if your PR gets announced, and you'd like a mention, we'll gladly shout you out! - [ ] **Add tests and docs**: If you're adding a new integration, please include 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/docs/integrations` directory. - [ ] **Lint and test**: Run `make format`, `make lint` and `make test` from the root of the package(s) you've modified. See contribution guidelines for more: https://python.langchain.com/docs/contributing/ Additional guidelines: - Make sure optional dependencies are imported within a function. - Please do not add dependencies to pyproject.toml files (even optional ones) unless they are required for unit tests. - Most PRs should not touch more than one package. - Changes should be backwards compatible. - If you are adding something to community, do not re-import it in langchain. If no one reviews your PR within a few days, please @-mention one of baskaryan, efriis, eyurtsev, hwchase17.	6 months ago
Eugene Yurtsev	d3c9974da2	core[patch]: Temporarily disable test for streaming xml parser (#19610) ... Test is failing due to micro version bump in python interpreter which changed something about how std xml parser works	6 months ago
Eugene Yurtsev	8bc5cdccee	core[patch]: Reverting changes with defusedXML (#19604) ... DefusedXML is causing parsing errors on previously functional code with the 0.7.x versions. These do not seem to support newer version of python well. 0.8.x has only been released as rc, so we're not going to to use it in the core package	6 months ago
Eugene Yurtsev	9c7e860cf6	core[patch]: Remove anyio dependency (#19583) ... The dependency isn't used anymore	6 months ago
Christophe Bornet	1f422318b7	core[minor]: Use BaseChatMessageHistory async methods in RunnableWithMessageHistory (#19565) ... Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>	6 months ago
Christophe Bornet	a9457d269e	core: Add async methods to BaseExampleSelector and SemanticSimilarityExampleSelector (#19399) ... Few-Shot prompt template may use a `SemanticSimilarityExampleSelector` that in turn uses a `VectorStore` that does I/O operations. So to work correctly on the event loop, we need: * async methods for the `VectorStore` (OK) * async methods for the `SemanticSimilarityExampleSelector` (this PR) * async methods for `BasePromptTemplate` and `BaseChatPromptTemplate` (future work)	6 months ago
Christophe Bornet	29c58528c7	core[minor]: Add default implementations to amax_marginal_relevance_search_by_vector and adelete (#19269)	6 months ago