klipper update

scripts/check_whitespace.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+# Check files for whitespace problems
+#
+# Copyright (C) 2018  Kevin O'Connor <kevin@koconnor.net>
+#
+# This file may be distributed under the terms of the GNU GPLv3 license.
+import sys, os.path, unicodedata
+
+HaveError = False
+
+def report_error(filename, lineno, msg):
+    global HaveError
+    if not HaveError:
+        sys.stderr.write("\n\nERROR:\nERROR: White space errors\nERROR:\n")
+    HaveError = True
+    sys.stderr.write("%s:%d: %s\n" % (filename, lineno + 1, msg))
+
+def check_file(filename):
+    # Open and read file
+    try:
+        f = open(filename, 'rb')
+        data = f.read()
+        f.close()
+    except IOError:
+        return
+    if not data:
+        # Empty files are okay
+        return
+    # Do checks
+    is_source_code = any([filename.endswith(s) for s in ['.c', '.h', '.py']])
+    lineno = 0
+    for lineno, line in enumerate(data.split(b'\n')):
+        # Verify line is valid utf-8
+        try:
+            line = line.decode('utf-8')
+        except UnicodeDecodeError:
+            report_error(filename, lineno, "Found non utf-8 character")
+            continue
+        # Check for control characters
+        for c in line:
+            if unicodedata.category(c).startswith('C'):
+                char_name = repr(c)
+                if c == '\t':
+                    if os.path.basename(filename).lower() == 'makefile':
+                        continue
+                    char_name = 'tab'
+                report_error(filename, lineno, "Invalid %s character" % (
+                    char_name,))
+                break
+        # Check for trailing space
+        if line.endswith(' ') or line.endswith('\t'):
+            report_error(filename, lineno, "Line has trailing spaces")
+        # Check for more than 80 characters
+        if is_source_code and len(line) > 80:
+            report_error(filename, lineno, "Line longer than 80 characters")
+    if not data.endswith(b'\n'):
+        report_error(filename, lineno, "No newline at end of file")
+    if data.endswith(b'\n\n'):
+        report_error(filename, lineno, "Extra newlines at end of file")
+
+def main():
+    files = sys.argv[1:]
+    for filename in files:
+        check_file(filename)
+    if HaveError:
+        sys.stderr.write("\n\n")
+        sys.exit(-1)
+
+if __name__ == '__main__':
+    main()