langchain-rust 4.6.0

LangChain for Rust, the easiest way to write LLM-based programs in Rust
Documentation 
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

name: CI

on:
  workflow_dispatch:
  pull_request:
      branches:
      - main
  push:
    branches:
      - main
    tags:
      - 'v0.[0-9]+.[0-9]+'
      - 'v0.[0-9]+.[0-9]+-beta.[0-9]+'
      - 'v0.[0-9]+.[0-9]+-alpha.[0-9]+'
    paths-ignore:
      - 'renovate.json'

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      # emit backtraces on panics.
      RUST_BACKTRACE: 1
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1
      - name: Get the build metadata
        shell: bash
        run: |
          echo "TAG_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
          echo "CARGO_VERSION=$(grep -m 1 '^version = ' Cargo.toml | cut -f 3 -d ' ' | tr -d \")" >> $GITHUB_ENV
      - name: Validate git tag and Cargo.toml version
        shell: bash
        if: startsWith(github.ref, 'refs/tags/')
        run: |
          if [ "${{ env.TAG_VERSION }}" != "v${{ env.CARGO_VERSION }}" ]; then
            echo "git tag version (${{ env.TAG_VERSION }}) does not match Cargo.toml version (v${{ env.CARGO_VERSION }})"
            exit 1
          fi
      - name: install pandoc
        run: sudo apt-get install pandoc
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal
          components: rustfmt, clippy
      # - uses: swatinem/rust-cache@v2.7.3
      - name: Rust fmt
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check
      - name: Build release
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose --all --release --all-features
      - name: Run Test
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --release --all-features

  publish_crate:
    if: startsWith(github.ref, 'refs/tags/')
    needs:
      - build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true
      - name: Login to crates.io
        uses: actions-rs/cargo@v1
        with:
          command: login
          args: ${{ secrets.CRATES_TOKEN }}
      - name: Publish langchain-rust to crates.io
        uses: actions-rs/cargo@v1
        with:
          command: publish
          args: --all-features