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{ lib
, buildPythonPackage
, fetchFromGitHub
, pythonOlder
, poetry-core
, numpy
, pyyaml
, sqlalchemy
, requests
, async-timeout
, aiohttp
, numexpr
, openapi-schema-pydantic
, dataclasses-json
, tqdm
, tenacity
, bash
# optional dependencies
, anthropic
, cohere
, openai
, nlpcloud
, huggingface-hub
, manifest-ml
, torch
, transformers
, qdrant-client
, sentence-transformers
, azure-identity
, azure-cosmos
, azure-core
, elasticsearch
, opensearch-py
, google-search-results
, faiss
, spacy
, nltk
, beautifulsoup4
, tiktoken
, jinja2
, pinecone-client
, weaviate-client
, redis
, google-api-python-client
, pypdf
, networkx
, psycopg2
, boto3
, pyowm
, pytesseract
, html2text
, atlassian-python-api
, duckduckgo-search
, lark
, jq
, steamship
, pdfminer-six
, lxml
, chardet
, requests-toolbelt
, neo4j
, langchainplus-sdk
# test dependencies
, pytest-vcr
, pytest-asyncio
, pytest-mock
, pytest-socket
, pandas
, syrupy
, toml
, freezegun
, responses
, pexpect
, pytestCheckHook
, pythonRelaxDepsHook
}:
buildPythonPackage rec {
pname = "langchain";
version = "0.0.207";
format = "pyproject";
disabled = pythonOlder "3.8";
src = fetchFromGitHub {
owner = "hwchase17";
repo = "langchain";
rev = "refs/tags/v${version}";
hash = "sha256-/gPkgHcHHyFAhPF4hqEMkOaHV9Z1159ZdB2lwtsJEKE=";
};
postPatch = ''
substituteInPlace langchain/utilities/bash.py \
--replace '"env", ["-i", "bash", ' '"${lib.getExe bash}", ['
substituteInPlace tests/unit_tests/test_bash.py \
--replace "/bin/sh" "${bash}/bin/sh"
'';
nativeBuildInputs = [
poetry-core
pythonRelaxDepsHook
];
buildInputs = [
bash
];
propagatedBuildInputs = [
numpy
pyyaml
sqlalchemy
requests
aiohttp
numexpr
openapi-schema-pydantic
dataclasses-json
tqdm
tenacity
] ++ lib.optionals (pythonOlder "3.11") [
async-timeout
] ++ passthru.optional-dependencies.all;
passthru.optional-dependencies = {
llms = [
anthropic
cohere
openai
nlpcloud
huggingface-hub
manifest-ml
torch
transformers
];
qdrant = [
qdrant-client
];
openai = [
openai
];
text_helpers = [
chardet
];
cohere = [
cohere
];
docarray = [
# docarray
];
embeddings = [
sentence-transformers
];
azure = [
azure-identity
azure-cosmos
openai
azure-core
];
all = [
anthropic
cohere
openai
nlpcloud
huggingface-hub
# jina
manifest-ml
elasticsearch
opensearch-py
google-search-results
faiss
sentence-transformers
transformers
spacy
nltk
# wikipedia
beautifulsoup4
tiktoken
torch
jinja2
pinecone-client
# pinecone-text
weaviate-client
redis
google-api-python-client
# wolframalpha
qdrant-client
# tensorflow-text
pypdf
networkx
# nomic
# aleph-alpha-client
# deeplake
# pgvector
psycopg2
boto3
pyowm
pytesseract
html2text
atlassian-python-api
# gptcache
duckduckgo-search
# arxiv
azure-identity
# clickhouse-connect
azure-cosmos
# lancedb
# langkit
lark
pexpect
# pyvespa
# O365
jq
# docarray
steamship
pdfminer-six
lxml
requests-toolbelt
neo4j
# openlm
# azure-ai-formrecognizer
# azure-ai-vision
# azure-cognitiveservices-speech
langchainplus-sdk
];
};
pythonRelaxDeps = [
"langchainplus-sdk"
];
nativeCheckInputs = [
pytestCheckHook
pytest-vcr
pytest-mock
pytest-socket
pytest-asyncio
pandas
syrupy
toml
freezegun
responses
];
pytestFlagsArray = [
# integration_tests have many network, db access and require `OPENAI_API_KEY`, etc.
"tests/unit_tests"
];
disabledTests = [
# these tests have db access
"test_table_info"
"test_sql_database_run"
# these tests have network access
"test_socket_disabled"
];
meta = with lib; {
description = "Building applications with LLMs through composability";
homepage = "https://github.com/hwchase17/langchain";
changelog = "https://github.com/hwchase17/langchain/releases/tag/v${version}";
license = licenses.mit;
maintainers = with maintainers; [ natsukium ];
};
}
|