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""" |
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Command line interface implementation for pyclean. |
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""" |
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import argparse |
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import logging |
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from . import __version__, compat, modern |
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log = logging.getLogger(__name__) |
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def parse_arguments(): |
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""" |
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Parse and handle CLI arguments |
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""" |
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parser = argparse.ArgumentParser( |
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description='Remove byte-compiled files for a package', |
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) |
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parser.add_argument('--version', action='version', version=__version__) |
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parser.add_argument('-V', metavar='VERSION', dest='version', |
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help='specify Python version to clean') |
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parser.add_argument('-p', '--package', metavar='PACKAGE', |
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action='append', default=[], |
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help='Debian package to byte-compile ' |
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'(may be specified multiple times)') |
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parser.add_argument('directory', nargs='*', |
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help='Directory tree (or file) to byte-compile') |
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parser.add_argument('-i', '--ignore', metavar='DIRECTORY', |
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action='append', default=['.git', '.tox', '.venv'], |
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help='Directory that should be ignored ' |
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'(may be specified multiple times; ' |
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'default: %(default)s)') |
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parser.add_argument('--legacy', action='store_true', |
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help='Use legacy Debian implementation (autodetect)') |
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parser.add_argument('-n', '--dry-run', action='store_true', |
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help='Show what would be done') |
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verbosity = parser.add_mutually_exclusive_group() |
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verbosity.add_argument('-q', '--quiet', action='store_true', |
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help='Be quiet') |
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verbosity.add_argument('-v', '--verbose', action='store_true', |
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help='Be more verbose') |
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args = parser.parse_args() |
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init_logging(args) |
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if not (args.package or args.directory): |
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parser.error('A directory (or files) or a list of packages ' |
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'must be specified.') |
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args.ignore = parse_ignore_list(args.ignore) |
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log.debug("Ignored directories: %s", ','.join(args.ignore)) |
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return args |
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def parse_ignore_list(directory_list): |
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""" |
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Split up and reintegrate folder names in values having a comma-separated |
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list of directory names. |
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>>> parse_ignore_list(['a,b,c']) |
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['a', 'b', 'c'] |
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>>> parse_ignore_list(['a', 'b,c']) |
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['a', 'b', 'c'] |
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>>> parse_ignore_list(['a , b, c']) |
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['a', 'b', 'c'] |
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>>> parse_ignore_list([',,a,,,b,,']) |
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['a', 'b'] |
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>>> parse_ignore_list([',a', 'b,']) |
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['a', 'b'] |
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""" |
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ignore_list = [] |
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for dirname in directory_list: |
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if ',' not in dirname: |
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ignore_list += [dirname] |
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else: |
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ignore_list += [ |
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token.strip() for token in dirname.split(',') if token.strip() |
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] |
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return sorted(list(set(ignore_list))) |
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def init_logging(args): |
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""" |
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Set the log level according to the -v/-q command line options. |
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""" |
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log_level = logging.FATAL if args.quiet \ |
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else logging.DEBUG if args.verbose \ |
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else logging.INFO |
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log_format = "%(message)s" |
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logging.basicConfig(level=log_level, format=log_format) |
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def main(override=None): |
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""" |
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Entry point for all scripts |
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""" |
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args = parse_arguments() |
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if override or args.legacy: |
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impl = compat.get_implementation(override=override) |
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impl.main(args) |
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else: |
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modern.pyclean(args) |
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def py2clean(): |
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""" |
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Forces the use of the implementation for Python 2 |
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""" |
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main('CPython2') |
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def py3clean(): |
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""" |
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Forces the use of the implementation for Python 3 |
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""" |
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main('CPython3') |
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123
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124
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def pypyclean(): |
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""" |
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126
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Forces the use of the implementation for PyPy (2+3) |
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""" |
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main('PyPy2') |
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bittner /
pyclean
