🐛 Ensure that autocompletion works for Path arguments/options

typer/main.py

@@ -45,6 +45,7 @@
     ParamMeta,
     Required,
     TyperInfo,
+    TyperPath,
 )
 from .utils import get_params_from_function
 
@@ -744,7 +745,7 @@ def get_click_type(
         or parameter_info.path_type
         or parameter_info.resolve_path
     ):
-        return click.Path(
+        return TyperPath(
             exists=parameter_info.exists,
             file_okay=parameter_info.file_okay,
             dir_okay=parameter_info.dir_okay,

typer/models.py

@@ -531,3 +531,14 @@ def __init__(
         self.pretty_exceptions_enable = pretty_exceptions_enable
         self.pretty_exceptions_show_locals = pretty_exceptions_show_locals
         self.pretty_exceptions_short = pretty_exceptions_short
+
+
+class TyperPath(click.Path):
+    # Overwrite Click's behaviour to be compatible with Typer's autocompletion system
+    def shell_complete(
+        self, ctx: click.Context, param: click.Parameter, incomplete: str
+    ) -> List[click.shell_completion.CompletionItem]:
+        """Return an empty list so that the autocompletion functionality
+        will work properly from the commandline.
+        """
+        return []