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David Sánchez Sánchez 75823d580b
community: fix perplexity response parameters not being included in model response (#30440) 
This pull request includes enhancements to the `perplexity.py` file in
the `chat_models` module, focusing on improving the handling of
additional keyword arguments (`additional_kwargs`) in message processing
methods. Additionally, new unit tests have been added to ensure the
correct inclusion of citations, images, and related questions in the
`additional_kwargs`.

Issue: resolves https://github.com/langchain-ai/langchain/issues/30439

Enhancements to `perplexity.py`:

*
[`libs/community/langchain_community/chat_models/perplexity.py`](diffhunk://#diff-d3e4d7b277608683913b53dcfdbd006f0f4a94d110d8b9ac7acf855f1f22207fL208-L212):
Modified the `_convert_delta_to_message_chunk`, `_stream`, and
`_generate` methods to handle `additional_kwargs`, which include
citations, images, and related questions.
[[1]](diffhunk://#diff-d3e4d7b277608683913b53dcfdbd006f0f4a94d110d8b9ac7acf855f1f22207fL208-L212)
[[2]](diffhunk://#diff-d3e4d7b277608683913b53dcfdbd006f0f4a94d110d8b9ac7acf855f1f22207fL277-L286)
[[3]](diffhunk://#diff-d3e4d7b277608683913b53dcfdbd006f0f4a94d110d8b9ac7acf855f1f22207fR324-R331)

New unit tests:

*
[`libs/community/tests/unit_tests/chat_models/test_perplexity.py`](diffhunk://#diff-dab956d79bd7d17a0f5dea3f38ceab0d583b43b63eb1b29138ee9b6b271ba1d9R119-R275):
Added new tests `test_perplexity_stream_includes_citations_and_images`
and `test_perplexity_stream_includes_citations_and_related_questions` to
verify that the `stream` method correctly includes citations, images,
and related questions in the `additional_kwargs`.
2025-03-26 22:28:08 -04:00
..
langchain_community community: fix perplexity response parameters not being included in model response (#30440) 2025-03-26 22:28:08 -04:00
scripts community: adding langchain-predictionguard partner package documentation (#28832) 2024-12-20 10:51:44 -05:00
tests community: fix perplexity response parameters not being included in model response (#30440) 2025-03-26 22:28:08 -04:00
extended_testing_deps.txt infra[patch]: remove pyspark from langchain-community extended testing requirements (#30466) 2025-03-24 14:41:54 -04:00
Makefile infra: migrate to uv (#29566) 2025-02-06 13:36:26 -05:00
pyproject.toml community: release 0.3.20 (#30354) 2025-03-18 21:57:12 +00:00
README.md docs: Fix stack diagram in community README (#28685) 2024-12-12 13:33:50 -08:00
uv.lock community: fix perplexity response parameters not being included in model response (#30440) 2025-03-26 22:28:08 -04:00

README.md

🦜️🧑‍🤝‍🧑 LangChain Community

Downloads License: MIT

Quick Install

pip install langchain-community

What is it?

LangChain Community contains third-party integrations that implement the base interfaces defined in LangChain Core, making them ready-to-use in any LangChain application.

For full documentation see the API reference.

Diagram outlining the hierarchical organization of the LangChain framework, displaying the interconnected parts across multiple layers.

📕 Releases & Versioning

langchain-community is currently on version 0.0.x

All changes will be accompanied by a patch version increase.

💁 Contributing

As an open-source project in a rapidly developing field, we are extremely open to contributions, whether it be in the form of a new feature, improved infrastructure, or better documentation.

For detailed information on how to contribute, see the Contributing Guide.