117 lines
2.6 KiB
Python
Executable file
117 lines
2.6 KiB
Python
Executable file
#!/usr/bin/env python
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"""Python syntax checker with lint friendly output."""
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import os
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import parser
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import re
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import sys
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def main():
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paths, verbose, skip_patterns = parse_options()
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paths = filter_paths(paths, skip_patterns)
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check(paths, verbose)
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def parse_options():
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paths = []
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skip_patterns = []
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option = None
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verbose = False
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valid_options = [
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'-x',
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'-v',
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]
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for arg in sys.argv[1:]:
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if option == '-x':
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skip_patterns.append(re.compile(arg))
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option = None
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elif arg.startswith('-'):
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if arg not in valid_options:
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raise Exception('Unknown Option: %s' % arg)
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if arg == '-v':
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verbose = True
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else:
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option = arg
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else:
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paths.append(arg)
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if option:
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raise Exception('Incomplete Option: %s' % option)
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return paths, verbose, skip_patterns
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def filter_paths(paths, skip_patterns):
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if not paths:
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paths = ['.']
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candidates = paths
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paths = []
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for candidate in candidates:
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if os.path.isdir(candidate):
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for root, directories, files in os.walk(candidate):
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remove = []
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for directory in directories:
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if directory.startswith('.'):
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remove.append(directory)
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for path in remove:
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directories.remove(path)
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for f in files:
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if f.endswith('.py'):
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paths.append(os.path.join(root, f))
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else:
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paths.append(candidate)
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final_paths = []
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for path in sorted(paths):
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skip = False
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for skip_pattern in skip_patterns:
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if skip_pattern.search(path):
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skip = True
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break
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if skip:
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continue
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final_paths.append(path)
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return final_paths
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def check(paths, verbose):
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status = 0
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for path in paths:
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if verbose:
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sys.stderr.write('%s\n' % path)
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sys.stderr.flush()
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source_fd = open(path, 'r')
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try:
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source = source_fd.read()
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finally:
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source_fd.close()
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try:
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parser.suite(source)
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except SyntaxError:
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ex_type, ex, ex_traceback = sys.exc_info()
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status = 1
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message = ex.text.splitlines()[0].strip()
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sys.stdout.write("%s:%d:%d: SyntaxError: %s\n" % (path, ex.lineno, ex.offset, message))
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sys.stdout.flush()
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sys.exit(status)
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if __name__ == '__main__':
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main()
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