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from __future__ import print_function
import argparse
import importlib
import os
import sys
import verhawk.scanner
import verhawk.constants as constants
def main():
parser = argparse.ArgumentParser()
parser.add_argument('parent_package')
parser.add_argument('-V', '--version',
action='store_true',
help='Display version information'),
parser.add_argument('-e', '--exclude',
action='append',
default=[],
help='Ignore sub-[package|module] by name.')
parser.add_argument('-v', '--verbose',
action='store_true',
help='Show packages without version data.')
parser.add_argument('-j', '--json',
action='store_true',
help='Emit JSON to stdout')
parser.add_argument('-p', '--packages-only',
action='store_true',
help='Ignore non-packages (i.e modules)')
parser.add_argument('-r', '--recursive',
action='store_true',
help='Descend into package looking for additional version data.')
args = parser.parse_args()
if args.version:
print(verhawk.version.__version_long__)
exit(0)
try:
with open(os.devnull, 'w') as devnull:
sys.stdout = devnull
parent_package = importlib.import_module(args.parent_package)
sys.stdout = constants.STDOUT
except ImportError as e:
print(e, file=sys.stderr)
exit(1)
scanner = verhawk.scanner.Scanner(parent_package, args.exclude,
args.recursive, args.packages_only)
if args.json:
print(scanner.as_json())
else:
for pkg, version in sorted(scanner):
if not args.verbose and version is None:
continue
print('{0}={1}'.format(pkg, version))
if __name__ == '__main__':
main()
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