feat: add explicit CLI import error (#1785)

* feat: add explicit CLI import error * Proofread error msg --------- Co-authored-by: Kumaran Rajendhiran <[email protected]>
airtai · Sep 12, 2024 · 0d56ef1 · 0d56ef1
1 parent 98e94aa
commit 0d56ef1
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/faststream/__main__.py b/faststream/__main__.py
@@ -2,7 +2,20 @@
 
 import warnings
 
-from faststream.cli.main import cli
+try:
+    from faststream.cli.main import cli
+except ImportError:
+    has_typer = False
+else:
+    has_typer = True
+
+if not has_typer:
+    raise ImportError(
+        "\n\nYou're trying to use the FastStream CLI, "
+        "\nbut you haven't installed the required dependencies."
+        "\nPlease install them using the following command: "
+        '\npip install "faststream[cli]"'
+    )
 
 warnings.filterwarnings("default", category=ImportWarning, module="faststream")