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utils: checkstyle.py: Highlight trailing white space at end of line

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In order to facilitate interpretation of diffs, highlight trailing white
space at end of lines with a red background.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2018-12-18 22:34:50 +02:00
parent 2887934ca0
commit cf04a496a6
1 changed files with 52 additions and 17 deletions
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69
utils/checkstyle.py
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@ -40,18 +40,43 @@ source_extensions = (
class Colours:
Default = 0
Black = 0
Red = 31
Green = 32
Yellow = 33
Blue = 34
Magenta = 35
Cyan = 36
LightGrey = 37
DarkGrey = 90
LightRed = 91
LightGreen = 92
Lightyellow = 93
LightBlue = 94
LightMagenta = 95
LightCyan = 96
White = 97
for attr in Colours.__dict__.keys():
if attr.startswith('_'):
continue
@staticmethod
def fg(colour):
if sys.stdout.isatty():
return '\033[%um' % colour
else:
return ''
if sys.stdout.isatty():
setattr(Colours, attr, '\033[0;%um' % getattr(Colours, attr))
else:
setattr(Colours, attr, '')
@staticmethod
def bg(colour):
if sys.stdout.isatty():
return '\033[%um' % (colour + 10)
else:
return ''
@staticmethod
def reset():
if sys.stdout.isatty():
return '\033[0m'
else:
return ''
class DiffHunkSide(object):
@ -82,20 +107,30 @@ class DiffHunk(object):
def __repr__(self):
s = '%s@@ -%u,%u +%u,%u @@\n' % \
(Colours.Cyan,
(Colours.fg(Colours.Cyan),
self.__from.start, len(self.__from),
self.__to.start, len(self.__to))
for line in self.lines:
if line[0] == '-':
s += Colours.Red
s += Colours.fg(Colours.Red)
elif line[0] == '+':
s += Colours.Green
else:
s += Colours.Default
s += line
s += Colours.fg(Colours.Green)
if line[0] == '-':
spaces = 0
for i in range(len(line)):
if line[-i-1].isspace():
spaces += 1
else:
break
spaces = len(line) - spaces
line = line[0:spaces] + Colours.bg(Colours.Red) + line[spaces:]
s += line
s += Colours.reset()
s += '\n'
s += Colours.Default
return s
def append(self, line):
@ -111,7 +146,7 @@ class DiffHunk(object):
self.__to.touched.append(self.__to_line)
self.__to_line += 1
self.lines.append(line)
self.lines.append(line.rstrip('\n'))
def intersects(self, lines):
for line in lines:
@ -180,8 +215,8 @@ def check_file(top_level, commit, filename):
if len(formatted_diff) == 0:
return 0
print('%s---' % Colours.Red, filename)
print('%s+++' % Colours.Green, filename)
print('%s---' % Colours.fg(Colours.Red), filename)
print('%s+++' % Colours.fg(Colours.Green), filename)
for hunk in formatted_diff:
print(hunk)