`python_version` => `language_version` (#296)

[etc/vim.git] / black.py

diff --git a/black.py b/black.py
index 61b884ad262ccf3e08a0fc380f5cd9607839515c..da00525ca945e6443aa61ffe82a1f93ad0061e71 100644 (file)
--- a/black.py
+++ b/black.py
@@ -143,55 +143,46 @@ class FileMode(Flag):
     show_default=True,
 )
 @click.option(
-    "--check",
+    "--py36",
     is_flag=True,
     help=(
-        "Don't write the files back, just return the status.  Return code 0 "
-        "means nothing would change.  Return code 1 means some files would be "
-        "reformatted.  Return code 123 means there was an internal error."
+        "Allow using Python 3.6-only syntax on all input files.  This will put "
+        "trailing commas in function signatures and calls also after *args and "
+        "**kwargs.  [default: per-file auto-detection]"
     ),
 )
 @click.option(
-    "--diff",
-    is_flag=True,
-    help="Don't write the files back, just output a diff for each file on stdout.",
-)
-@click.option(
-    "--fast/--safe",
+    "--pyi",
     is_flag=True,
-    help="If --fast given, skip temporary sanity checks. [default: --safe]",
+    help=(
+        "Format all input files like typing stubs regardless of file extension "
+        "(useful when piping source on standard input)."
+    ),
 )
 @click.option(
-    "-q",
-    "--quiet",
+    "-S",
+    "--skip-string-normalization",
     is_flag=True,
-    help=(
-        "Don't emit non-error messages to stderr. Errors are still emitted, "
-        "silence those with 2>/dev/null."
-    ),
+    help="Don't normalize string quotes or prefixes.",
 )
 @click.option(
-    "--pyi",
+    "--check",
     is_flag=True,
     help=(
-        "Consider all input files typing stubs regardless of file extension "
-        "(useful when piping source on standard input)."
+        "Don't write the files back, just return the status.  Return code 0 "
+        "means nothing would change.  Return code 1 means some files would be "
+        "reformatted.  Return code 123 means there was an internal error."
     ),
 )
 @click.option(
-    "--py36",
+    "--diff",
     is_flag=True,
-    help=(
-        "Allow using Python 3.6-only syntax on all input files.  This will put "
-        "trailing commas in function signatures and calls also after *args and "
-        "**kwargs.  [default: per-file auto-detection]"
-    ),
+    help="Don't write the files back, just output a diff for each file on stdout.",
 )
 @click.option(
-    "-S",
-    "--skip-string-normalization",
+    "--fast/--safe",
     is_flag=True,
-    help="Don't normalize string quotes or prefixes.",
+    help="If --fast given, skip temporary sanity checks. [default: --safe]",
 )
 @click.option(
     "--include",
@@ -199,8 +190,10 @@ class FileMode(Flag):
     default=DEFAULT_INCLUDES,
     help=(
         "A regular expression that matches files and directories that should be "
-        "included on recursive searches. On Windows, use forward slashes for "
-        "directories."
+        "included on recursive searches.  An empty value means all files are "
+        "included regardless of the name.  Use forward slashes for directories on "
+        "all platforms (Windows, too).  Exclusions are calculated first, inclusions "
+        "later."
     ),
     show_default=True,
 )
@@ -210,11 +203,21 @@ class FileMode(Flag):
     default=DEFAULT_EXCLUDES,
     help=(
         "A regular expression that matches files and directories that should be "
-        "excluded on recursive searches. On Windows, use forward slashes for "
-        "directories."
+        "excluded on recursive searches.  An empty value means no paths are excluded. "
+        "Use forward slashes for directories on all platforms (Windows, too).  "
+        "Exclusions are calculated first, inclusions later."
     ),
     show_default=True,
 )
+@click.option(
+    "-q",
+    "--quiet",
+    is_flag=True,
+    help=(
+        "Don't emit non-error messages to stderr. Errors are still emitted, "
+        "silence those with 2>/dev/null."
+    ),
+)
 @click.version_option(version=__version__)
 @click.argument(
     "src",
@@ -339,8 +342,8 @@ def reformat_one(
             cache: Cache = {}
             if write_back != WriteBack.DIFF:
                 cache = read_cache(line_length, mode)
-                src = src.resolve()
-                if src in cache and cache[src] == get_cache_info(src):
+                res_src = src.resolve()
+                if res_src in cache and cache[res_src] == get_cache_info(res_src):
                     changed = Changed.CACHED
             if changed is not Changed.CACHED and format_file_in_place(
                 src,
@@ -2794,28 +2797,20 @@ def gen_python_files_in_dir(
     """Generate all files under `path` whose paths are not excluded by the
     `exclude` regex, but are included by the `include` regex.
     """
-
     for child in path.iterdir():
-        searchable_path = str(child.as_posix())
-        if Path(child.parts[0]).is_dir():
-            searchable_path = "/" + searchable_path
+        normalized_path = child.resolve().as_posix()
         if child.is_dir():
-            searchable_path = searchable_path + "/"
-            exclude_match = exclude.search(searchable_path)
-            if exclude_match and len(exclude_match.group()) > 0:
-                continue
+            normalized_path += "/"
+        exclude_match = exclude.search(normalized_path)
+        if exclude_match and exclude_match.group(0):
+            continue
 
+        if child.is_dir():
             yield from gen_python_files_in_dir(child, include, exclude)
 
-        else:
-            include_match = include.search(searchable_path)
-            exclude_match = exclude.search(searchable_path)
-            if (
-                child.is_file()
-                and include_match
-                and len(include_match.group()) > 0
-                and (not exclude_match or len(exclude_match.group()) == 0)
-            ):
+        elif child.is_file():
+            include_match = include.search(normalized_path)
+            if include_match:
                 yield child