From a7fe34274bb4a800d7f8d11975f1b7175e237157 Mon Sep 17 00:00:00 2001
From: jacoblee93 <jacoblee93@gmail.com>
Date: Mon, 30 Oct 2023 21:59:15 -0700
Subject: [PATCH 1/4] Adds version CLI command

---
 libs/cli/DOCS.md              |  1 +
 libs/cli/langchain_cli/cli.py | 23 +++++++++++++++++++++++
 libs/cli/pyproject.toml       |  1 +
 3 files changed, 25 insertions(+)

diff --git a/libs/cli/DOCS.md b/libs/cli/DOCS.md
index 47f4d6647f76b..d08ba956aa5e2 100644
--- a/libs/cli/DOCS.md
+++ b/libs/cli/DOCS.md
@@ -9,6 +9,7 @@ $ langchain [OPTIONS] COMMAND [ARGS]...
 **Options**:
 
 * `--help`: Show this message and exit.
+* `-v, --version`: Print current CLI version.
 
 **Commands**:
 
diff --git a/libs/cli/langchain_cli/cli.py b/libs/cli/langchain_cli/cli.py
index 119209c1d88fb..d2d80ce67ff65 100644
--- a/libs/cli/langchain_cli/cli.py
+++ b/libs/cli/langchain_cli/cli.py
@@ -6,6 +6,8 @@
 from langchain_cli.namespaces import app as app_namespace
 from langchain_cli.namespaces import template as template_namespace
 
+__version__ = "0.0.9"
+
 app = typer.Typer(no_args_is_help=True, add_completion=False)
 app.add_typer(
     template_namespace.package_cli, name="template", help=template_namespace.__doc__
@@ -13,6 +15,27 @@
 app.add_typer(app_namespace.app_cli, name="app", help=app_namespace.__doc__)
 
 
+def version_callback(show_version: bool) -> None:
+    if show_version:
+        typer.echo(f"LangChain {__version__}")
+        raise typer.Exit()
+
+
+@app.callback()
+def main(
+    version: bool = typer.Option(
+        False,
+        "--version",
+        "-v",
+        help="Print the current CLI version.",
+        callback=version_callback,
+        is_eager=True,
+    ),
+):
+    pass
+
+main()
+
 @app.command()
 def serve(
     *,
diff --git a/libs/cli/pyproject.toml b/libs/cli/pyproject.toml
index a15a59a873792..7178d2436f27b 100644
--- a/libs/cli/pyproject.toml
+++ b/libs/cli/pyproject.toml
@@ -47,6 +47,7 @@ watch = "poetry run ptw"
 lint = "poetry run ruff ."
 format = "poetry run ruff . --fix"
 
+[tool.poetry_bumpversion.file."langchain_cli/cli.py"]
 
 [build-system]
 requires = ["poetry-core"]

From 4552a18b40515b17338552241ebbb7b84feb23a6 Mon Sep 17 00:00:00 2001
From: jacoblee93 <jacoblee93@gmail.com>
Date: Mon, 30 Oct 2023 22:02:01 -0700
Subject: [PATCH 2/4] Update README

---
 libs/cli/README.md            | 4 ++++
 libs/cli/langchain_cli/cli.py | 1 -
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/libs/cli/README.md b/libs/cli/README.md
index b8b1705d7138f..532eefc95986f 100644
--- a/libs/cli/README.md
+++ b/libs/cli/README.md
@@ -3,3 +3,7 @@
 [Docs](./DOCS.md)
 
 [LangServe Templates Quickstart](../../templates/README.md)
+
+## Contributing
+
+Update CLI versions with `poetry version patch` to ensure that version commands display correctly.
diff --git a/libs/cli/langchain_cli/cli.py b/libs/cli/langchain_cli/cli.py
index d2d80ce67ff65..70ae14cf3f17f 100644
--- a/libs/cli/langchain_cli/cli.py
+++ b/libs/cli/langchain_cli/cli.py
@@ -34,7 +34,6 @@ def main(
 ):
     pass
 
-main()
 
 @app.command()
 def serve(

From e2ff9f99901d87bdaffbc2b3ebd42086e283a4b9 Mon Sep 17 00:00:00 2001
From: Erick Friis <erick@langchain.dev>
Date: Tue, 31 Oct 2023 13:36:02 -0700
Subject: [PATCH 3/4] specify cli

---
 libs/cli/langchain_cli/cli.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/cli/langchain_cli/cli.py b/libs/cli/langchain_cli/cli.py
index 29aeab25611cb..9751a503851af 100644
--- a/libs/cli/langchain_cli/cli.py
+++ b/libs/cli/langchain_cli/cli.py
@@ -17,7 +17,7 @@
 
 def version_callback(show_version: bool) -> None:
     if show_version:
-        typer.echo(f"LangChain {__version__}")
+        typer.echo(f"langchain-cli {__version__}")
         raise typer.Exit()
 
 

From b9ce9a6e17169d1b3b01a3fecde92bfbefc72b1f Mon Sep 17 00:00:00 2001
From: Erick Friis <erick@langchain.dev>
Date: Tue, 31 Oct 2023 13:41:04 -0700
Subject: [PATCH 4/4] poetry lock

---
 libs/cli/poetry.lock | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/cli/poetry.lock b/libs/cli/poetry.lock
index 111ea806151c5..b57a93982e4e9 100644
--- a/libs/cli/poetry.lock
+++ b/libs/cli/poetry.lock
@@ -1535,4 +1535,4 @@ serve = ["langserve"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8.1,<4.0"
-content-hash = "a517a85a6637b587a86067501f3c723d2f2a4c814a40bbf1761bd64baf8d276a"
+content-hash = "80e530d72b799e5d066f3f6e5f472e5b70a288aed9f3bf4ee6293e3bf5a9e987"