mirror of
https://github.com/hwchase17/langchain
synced 2024-10-29 17:07:25 +00:00
bd668fcea1
Will be automatically bumped with `poetry version patch`. @efriis @hwchase17 --------- Co-authored-by: Erick Friis <erick@langchain.dev>
190 lines
3.4 KiB
Markdown
190 lines
3.4 KiB
Markdown
# `langchain`
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**Usage**:
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```console
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$ langchain [OPTIONS] COMMAND [ARGS]...
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```
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**Options**:
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* `--help`: Show this message and exit.
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* `-v, --version`: Print current CLI version.
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**Commands**:
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* `app`: Manage LangChain apps
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* `serve`: Start the LangServe app, whether it's a...
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* `template`: Develop installable templates.
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## `langchain app`
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Manage LangChain apps
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**Usage**:
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```console
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$ langchain app [OPTIONS] COMMAND [ARGS]...
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```
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**Options**:
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* `--help`: Show this message and exit.
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**Commands**:
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* `add`: Adds the specified template to the current...
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* `new`: Create a new LangServe application.
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* `remove`: Removes the specified package from the...
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* `serve`: Starts the LangServe app.
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### `langchain app add`
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Adds the specified template to the current LangServe app.
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e.g.:
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langchain app add extraction-openai-functions
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langchain app add git+ssh://git@github.com/efriis/simple-pirate.git
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**Usage**:
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```console
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$ langchain app add [OPTIONS] [DEPENDENCIES]...
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```
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**Arguments**:
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* `[DEPENDENCIES]...`: The dependency to add
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**Options**:
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* `--api-path TEXT`: API paths to add
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* `--project-dir PATH`: The project directory
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* `--repo TEXT`: Install templates from a specific github repo instead
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* `--branch TEXT`: Install templates from a specific branch
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* `--help`: Show this message and exit.
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### `langchain app new`
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Create a new LangServe application.
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**Usage**:
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```console
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$ langchain app new [OPTIONS] NAME
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```
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**Arguments**:
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* `NAME`: The name of the folder to create [required]
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**Options**:
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* `--package TEXT`: Packages to seed the project with
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* `--help`: Show this message and exit.
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### `langchain app remove`
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Removes the specified package from the current LangServe app.
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**Usage**:
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```console
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$ langchain app remove [OPTIONS] API_PATHS...
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```
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**Arguments**:
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* `API_PATHS...`: The API paths to remove [required]
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**Options**:
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* `--help`: Show this message and exit.
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### `langchain app serve`
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Starts the LangServe app.
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**Usage**:
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```console
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$ langchain app serve [OPTIONS]
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```
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**Options**:
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* `--port INTEGER`: The port to run the server on
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* `--host TEXT`: The host to run the server on
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* `--app TEXT`: The app to run, e.g. `app.server:app`
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* `--help`: Show this message and exit.
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## `langchain serve`
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Start the LangServe app, whether it's a template or an app.
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**Usage**:
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```console
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$ langchain serve [OPTIONS]
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```
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**Options**:
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* `--port INTEGER`: The port to run the server on
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* `--host TEXT`: The host to run the server on
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* `--help`: Show this message and exit.
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## `langchain template`
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Develop installable templates.
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**Usage**:
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```console
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$ langchain template [OPTIONS] COMMAND [ARGS]...
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```
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**Options**:
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* `--help`: Show this message and exit.
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**Commands**:
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* `new`: Creates a new template package.
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* `serve`: Starts a demo app for this template.
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### `langchain template new`
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Creates a new template package.
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**Usage**:
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```console
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$ langchain template new [OPTIONS] NAME
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```
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**Arguments**:
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* `NAME`: The name of the folder to create [required]
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**Options**:
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* `--with-poetry / --no-poetry`: Don't run poetry install [default: no-poetry]
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* `--help`: Show this message and exit.
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### `langchain template serve`
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Starts a demo app for this template.
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**Usage**:
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```console
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$ langchain template serve [OPTIONS]
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```
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**Options**:
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* `--port INTEGER`: The port to run the server on
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* `--host TEXT`: The host to run the server on
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* `--help`: Show this message and exit.
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