Hug power operators if its operands are "simple" (#2726)

[etc/vim.git] / src / black / __init__.py

diff --git a/src/black/__init__.py b/src/black/__init__.py
index eaf72f9c2b3f4d12ae275d01472112931af331e9..7024c9d52b059f5dd8b7db94c2c5655619afe706 100644 (file)
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -431,6 +431,17 @@ def main(
 ) -> None:
     """The uncompromising code formatter."""
     ctx.ensure_object(dict)
+
+    if src and code is not None:
+        out(
+            main.get_usage(ctx)
+            + "\n\n'SRC' and 'code' cannot be passed simultaneously."
+        )
+        ctx.exit(1)
+    if not src and code is None:
+        out(main.get_usage(ctx) + "\n\nOne of 'SRC' or 'code' is required.")
+        ctx.exit(1)
+
     root, method = find_project_root(src) if code is None else (None, None)
     ctx.obj["root"] = root
 
@@ -569,7 +580,6 @@ def get_sources(
 ) -> Set[Path]:
     """Compute the set of files to be formatted."""
     sources: Set[Path] = set()
-    path_empty(src, "No Path provided. Nothing to do 😴", quiet, verbose, ctx)
 
     if exclude is None:
         exclude = re_compile_maybe_verbose(DEFAULT_EXCLUDES)