1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
{
lib,
aiohttp,
async-timeout,
azure-core,
azure-cosmos,
azure-identity,
bash,
buildPythonPackage,
chardet,
clarifai,
cohere,
dataclasses-json,
esprima,
fetchFromGitHub,
freezegun,
huggingface-hub,
jsonpatch,
langchain-community,
langchain-core,
langchain-text-splitters,
langsmith,
lark,
manifest-ml,
nlpcloud,
numpy,
openai,
pandas,
poetry-core,
pydantic,
pytest-asyncio,
pytest-mock,
pytest-socket,
pytestCheckHook,
pythonOlder,
pyyaml,
qdrant-client,
requests-mock,
requests,
responses,
sentence-transformers,
sqlalchemy,
syrupy,
tenacity,
tiktoken,
toml,
torch,
transformers,
typer,
}:
buildPythonPackage rec {
pname = "langchain";
version = "0.1.16";
pyproject = true;
disabled = pythonOlder "3.8";
src = fetchFromGitHub {
owner = "langchain-ai";
repo = "langchain";
rev = "refs/tags/v${version}";
hash = "sha256-Xv8juma/1qGC2Rb659dJBvRzRh5W+zU+O8W6peElFGc=";
};
sourceRoot = "${src.name}/libs/langchain";
build-system = [ poetry-core ];
buildInputs = [ bash ];
dependencies = [
aiohttp
dataclasses-json
jsonpatch
langchain-community
langchain-core
langchain-text-splitters
langsmith
numpy
pydantic
pyyaml
requests
sqlalchemy
tenacity
] ++ lib.optionals (pythonOlder "3.11") [ async-timeout ];
passthru.optional-dependencies = {
llms = [
clarifai
cohere
openai
# openlm
nlpcloud
huggingface-hub
manifest-ml
torch
transformers
];
qdrant = [ qdrant-client ];
openai = [
openai
tiktoken
];
text_helpers = [ chardet ];
clarifai = [ clarifai ];
cohere = [ cohere ];
docarray = [
# docarray
];
embeddings = [ sentence-transformers ];
javascript = [ esprima ];
azure = [
azure-identity
azure-cosmos
openai
azure-core
# azure-ai-formrecognizer
# azure-ai-vision
# azure-cognitiveservices-speech
# azure-search-documents
# azure-ai-textanalytics
];
all = [ ];
cli = [ typer ];
};
nativeCheckInputs = [
freezegun
lark
pandas
pytest-asyncio
pytest-mock
pytest-socket
pytestCheckHook
requests-mock
responses
syrupy
toml
];
pytestFlagsArray = [
# integration_tests require network access, database access and require `OPENAI_API_KEY`, etc.
"tests/unit_tests"
"--only-core"
];
disabledTests = [
# These tests have database access
"test_table_info"
"test_sql_database_run"
# These tests have network access
"test_socket_disabled"
"test_openai_agent_with_streaming"
"test_openai_agent_tools_agent"
# This test may require a specific version of langchain-community
"test_compatible_vectorstore_documentation"
# AssertionErrors
"test_callback_handlers"
"test_generic_fake_chat_model"
# Test is outdated
"test_serializable_mapping"
];
pythonImportsCheck = [ "langchain" ];
meta = with lib; {
description = "Building applications with LLMs through composability";
homepage = "https://github.com/langchain-ai/langchain";
changelog = "https://github.com/langchain-ai/langchain/releases/tag/v${version}";
license = licenses.mit;
maintainers = with maintainers; [ natsukium ];
mainProgram = "langchain-server";
};
}
|
