driver.py 6.6 KB
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#!/usr/bin/env python
# vim: set fileencoding=utf-8 :
# Laurent El Shafey <laurent.el-shafey@idiap.ch>
#
# Copyright (C) 2011-2013 Idiap Research Institute, Martigny, Switzerland
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.


"""Commands the PAD Filelists database can respond to.
"""

import os
import sys
from bob.db.base.driver import Interface as BaseInterface


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def clients(args):
    """Dumps lists of client IDs based on your criteria"""

    from .query import FileListPadDatabase
    db = FileListPadDatabase(args.list_directory, 'pad_filelist')

    client_ids = db.client_ids(
        protocol=args.protocol,
        groups = args.group
    )

    output = sys.stdout
    if args.selftest:
        from bob.db.base.utils import null
        output = null()

    for client in client_ids:
        output.write('%s\n' % client)

    return 0


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def dumplist(args):
    """Dumps lists of files based on your criteria"""

    from .query import FileListPadDatabase
    db = FileListPadDatabase(args.list_directory, 'pad_filelist')

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    file_objects = db.objects(
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        purposes=args.purpose,
        groups=args.group,
        protocol=args.protocol
    )

    output = sys.stdout
    if args.selftest:
        from bob.db.base.utils import null
        output = null()

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    for file_obj in file_objects:
        output.write('%s\n' % file_obj.make_path(directory=args.directory, extension=args.extension))
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    return 0


def checkfiles(args):
    """Checks existence of files based on your criteria"""

    from .query import FileListPadDatabase
    db = FileListPadDatabase(args.list_directory, 'pad_filelist')

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    file_objects = db.objects(protocol=args.protocol)
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    # go through all files, check if they are available on the filesystem
    good = []
    bad = []
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    for file_obj in file_objects:
        if os.path.exists(file_obj.make_path(args.directory, args.extension)):
            good.append(file_obj)
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        else:
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            bad.append(file_obj)
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    # report
    output = sys.stdout
    if args.selftest:
        from bob.db.base.utils import null
        output = null()

    if bad:
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        for file_obj in bad:
            output.write('Cannot find file "%s"\n' % file_obj.make_path(args.directory, args.extension))
        output.write('%d files (out of %d) were not found at "%s"\n' % (len(bad), len(file_objects), args.directory))
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    return 0


class Interface(BaseInterface):
    def name(self):
        return 'pad_filelist'

    def version(self):
        import pkg_resources  # part of setuptools
        return pkg_resources.require('bob.pad.base')[0].version

    def files(self):
        return ()

    def type(self):
        return 'text'

    def add_commands(self, parser):
        from . import __doc__ as docs

        subparsers = self.setup_parser(parser,
                                       "Presentation Attack Detection File Lists database", docs)

        import argparse

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        # the "clients" action
        parser = subparsers.add_parser('clients', help=dumplist.__doc__)
        parser.add_argument('-l', '--list-directory', required=True,
                            help="The directory which contains the file lists.")
        parser.add_argument('-g', '--group',
                            help="if given, this value will limit the output files to those belonging to a "
                                 "particular group.",
                            choices=('dev', 'eval', 'train', ''))
        parser.add_argument('-p', '--protocol', default=None,
                            help="If set, the protocol is appended to the directory that contains the file lists.")
        parser.add_argument('--self-test', dest="selftest", action='store_true', help=argparse.SUPPRESS)
        parser.set_defaults(func=clients)  # action

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        # the "dumplist" action
        parser = subparsers.add_parser('dumplist', help=dumplist.__doc__)
        parser.add_argument('-l', '--list-directory', required=True,
                            help="The directory which contains the file lists.")
        parser.add_argument('-d', '--directory', default='',
                            help="if given, this path will be prepended to every entry returned.")
        parser.add_argument('-e', '--extension', default='',
                            help="if given, this extension will be appended to every entry returned.")
        parser.add_argument('-u', '--purpose',
                            help="if given, this value will limit the output files to those designed "
                                 "for the given purposes.",
                            choices=('real', 'attack', ''))
        parser.add_argument('-g', '--group',
                            help="if given, this value will limit the output files to those belonging to a "
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                                 "particular  group.",
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                            choices=('dev', 'eval', 'train', ''))
        parser.add_argument('-p', '--protocol', default=None,
                            help="If set, the protocol is appended to the directory that contains the file lists.")
        parser.add_argument('--self-test', dest="selftest", action='store_true', help=argparse.SUPPRESS)
        parser.set_defaults(func=dumplist)  # action

        # the "checkfiles" action
        parser = subparsers.add_parser('checkfiles', help=checkfiles.__doc__)
        parser.add_argument('-l', '--list-directory', required=True,
                            help="The directory which contains the file lists.")
        parser.add_argument('-d', '--directory', dest="directory", default='',
                            help="if given, this path will be prepended to every entry returned.")
        parser.add_argument('-e', '--extension', dest="extension", default='',
                            help="if given, this extension will be appended to every entry returned.")
        parser.add_argument('-p', '--protocol', default=None,
                            help="If set, the protocol is appended to the directory that contains the file lists.")
        parser.add_argument('--self-test', dest="selftest", action='store_true', help=argparse.SUPPRESS)

        parser.set_defaults(func=checkfiles)  # action