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bzrlib/readdir.py

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#

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# You should have received a copy of the GNU General Public License

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# along with this program; if not, write to the Free Software

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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 

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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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"""Python implementation of readdir interface."""

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import stat

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_directory = 'directory'

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_chardev = 'chardev'

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_block = 'block'

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_file = 'file'

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_fifo = 'fifo'

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_symlink = 'symlink'

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_socket = 'socket'

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_unknown = 'unknown'

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_formats = {

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    stat.S_IFDIR:'directory',

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    stat.S_IFCHR:'chardev',

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    stat.S_IFBLK:'block',

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    stat.S_IFREG:'file',

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    stat.S_IFIFO:'fifo',

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    stat.S_IFLNK:'symlink',

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    stat.S_IFSOCK:'socket',

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}

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def _kind_from_mode(stat_mode, _formats=_formats, _unknown='unknown'):

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    """Generate a file kind from a stat mode. This is used in walkdirs.

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    It's performance is critical: Do not mutate without careful benchmarking.

 

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import os

 

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def read_dir(path):

 

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    """Like os.listdir, this reads a directories contents.

 

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    There is a C module which is recommended which will return

 

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    a file kind in the second element of the returned tuples.

 

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    :param path: the directory to list.

 

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    :return: a list of (basename, None) tuples.

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    """

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    try:

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        return _formats[stat_mode & 0170000]

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    except KeyError:

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        return _unknown

 

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    return [(name, 'unknown') for name in os.listdir(path)]

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