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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /bin/find-clang-format.py
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'bin/find-clang-format.py')
-rwxr-xr-xbin/find-clang-format.py67
1 files changed, 67 insertions, 0 deletions
diff --git a/bin/find-clang-format.py b/bin/find-clang-format.py
new file mode 100755
index 000000000..38c9aac10
--- /dev/null
+++ b/bin/find-clang-format.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+from difflib import unified_diff
+from pathlib import Path
+from subprocess import PIPE, Popen
+
+BLACKLIST = Path("solenv/clang-format/blacklist")
+THRESHOLD = os.getenv("CLANG_THRESHOLD", 5)
+CLANG_BINARY = Path(os.getenv("CLANG_FORMAT", "/opt/lo/bin/clang-format"))
+
+
+def calculate_diff_size(diff):
+ additions, removals = 0, 0
+ # ignore first 2 item in the sequence
+ # which are +++ and ---
+ for line in diff[2:]:
+ if line.startswith("+"):
+ additions += 1
+ elif line.startswith("-"):
+ removals += 1
+ return max((additions, removals))
+
+
+def format_stream(path, *extra_args):
+ process = Popen(
+ [CLANG_BINARY, *extra_args], stdout=PIPE, stderr=PIPE, stdin=PIPE,
+ )
+ stdout, stderr = process.communicate(input=path.read_bytes())
+ if stderr:
+ print("<FAIL>", str(path))
+ print(stderr.decode())
+ print("<FAIL>")
+ exit(1)
+ stdout = stdout.decode()
+ return stdout
+
+
+def main(*args):
+ if not CLANG_BINARY.exists():
+ print("Couldn't find clang-format on {!s}".format(CLANG_BINARY))
+ exit(1)
+
+ for path in BLACKLIST.read_text().splitlines():
+ path = Path(path)
+ if not path.exists():
+ continue
+
+ original = path.read_text()
+ new = format_stream(path, *args)
+ originalsize = len(original.splitlines())
+ diff = unified_diff(original.splitlines(), new.splitlines(), n=0)
+ diffsize = calculate_diff_size(tuple(diff))
+ if diffsize <= (originalsize * 5) // 100:
+ print(path, "(size: {}/{})".format(diffsize, originalsize))
+
+
+if __name__ == "__main__":
+ import sys
+
+ main(*sys.argv[1:])