Summarize the warning categories printed by Android Lint. Usage: lint <src_dir> | android_lint_summarizer.py Reference: http://developer.android.com/tools/help/lint.html

android_lint_summarizer.py

#!/usr/bin/env python
#
# Sample usage:
#
# % lint my_android_app | android_lint_summarizer.py
# 26 SpUsage
# 10 I18N HardcodedText
#  8 Accessibility ContentDescription
#  2 Typos
#  1 IconDuplicates

import fileinput, collections

def extract_one_braced(s):
  start_pos = s.find("[")
  if start_pos < 0:
    return None, None
  end_pos = s.find("]", start_pos)
  if end_pos < 0:
    return None, None
  return s[start_pos+1:end_pos], s[end_pos+1:]

def parse_braced(line):
  groups = []
  s = line.strip()
  while s:
    x, s = extract_one_braced(s)
    if x: groups.append(x)
  return " ".join(groups)

def has_braced(line):
  start = line.find('[')
  return start >= 0 and line.find(']', start+1) >= 0

def main():
  warning_counts = collections.Counter(parse_braced(line) for line in fileinput.input() if has_braced(line)).most_common()

  _, max_count = warning_counts[0]
  fmt = "{count:%d} {name}" % len(str(max_count))
  for name, count in warning_counts:
    print fmt.format(count=count, name=name)

if __name__ == "__main__":
  main()