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Print a separate message when there are no inputs given (#999)
authorRishikesh Jha <rishijha424@gmail.com>
Wed, 4 Sep 2019 11:51:33 +0000 (17:21 +0530)
committerZsolt Dollenstein <zsol.zsol@gmail.com>
Wed, 4 Sep 2019 11:51:32 +0000 (12:51 +0100)
Fixes #886.

.gitignore
black.py

index 73cc19ad95e477333cef216a12dd4be16ab2ce38..da4a908417ba89905bea5c478b00cf95361fa920 100644 (file)
@@ -8,4 +8,5 @@ __pycache__
 black.egg-info
 build/
 dist/
 black.egg-info
 build/
 dist/
-pip-wheel-metadata/
\ No newline at end of file
+pip-wheel-metadata/
+.idea
index f178aceb4dc9820d8b3562a29b2c2295de1341af..71f42ef307194f3febbd336c2c70597b25eafe5c 100644 (file)
--- a/black.py
+++ b/black.py
@@ -437,6 +437,7 @@ def main(
     report = Report(check=check, quiet=quiet, verbose=verbose)
     root = find_project_root(src)
     sources: Set[Path] = set()
     report = Report(check=check, quiet=quiet, verbose=verbose)
     root = find_project_root(src)
     sources: Set[Path] = set()
+    path_empty(src, quiet, verbose, ctx)
     for s in src:
         p = Path(s)
         if p.is_dir():
     for s in src:
         p = Path(s)
         if p.is_dir():
@@ -450,7 +451,7 @@ def main(
             err(f"invalid path: {s}")
     if len(sources) == 0:
         if verbose or not quiet:
             err(f"invalid path: {s}")
     if len(sources) == 0:
         if verbose or not quiet:
-            out("No paths given. Nothing to do 😴")
+            out("No Python files are present to be formatted. Nothing to do 😴")
         ctx.exit(0)
 
     if len(sources) == 1:
         ctx.exit(0)
 
     if len(sources) == 1:
@@ -472,6 +473,16 @@ def main(
     ctx.exit(report.return_code)
 
 
     ctx.exit(report.return_code)
 
 
+def path_empty(src: Tuple[str], quiet: bool, verbose: bool, ctx: click.Context) -> None:
+    """
+    Exit if there is no `src` provided for formatting
+    """
+    if not src:
+        if verbose or not quiet:
+            out("No Path provided. Nothing to do 😴")
+            ctx.exit(0)
+
+
 def reformat_one(
     src: Path, fast: bool, write_back: WriteBack, mode: FileMode, report: "Report"
 ) -> None:
 def reformat_one(
     src: Path, fast: bool, write_back: WriteBack, mode: FileMode, report: "Report"
 ) -> None: