"""Show config."""

    pprint.pprint(current_app.config)

def checkers(checker):

    def get_files(root, files):

        for f in files:

            if os.path.splitext(f)[1] == '.py':

                yield os.path.join(root, f)

        for f in get_files(root, files):

            subprocess.call([checker, f])

@manager.command

def pep8():

    """Check all py files for pep8 compat."""

    checkers('pep8')

@manager.command