danboorufs: danboorufs.py annotate

annotate danboorufs.py @ 1:63ccd8b0d615 draft

Add tag exclusion support.

author	Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date	Thu, 02 Aug 2012 12:19:31 +0200
parents	215d51f2a82f
children	85cbd44f98b1

rev	line source
0 215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	1 #!/usr/bin/env python2
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	2 # -- encoding: utf-8 --
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	3
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	4 from __future__ import with_statement
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	5
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	6 from errno import ENOENT, ENOTDIR
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	7 from sys import argv, exit
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	8 from threading import Lock
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	9 from time import time
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	10
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	11 import os
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	12
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	13 from fuse import FUSE, FuseOSError, Operations, LoggingMixIn
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	14
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	15
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	16 class Danbooru(LoggingMixIn, Operations):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	17 '''
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	18 Represent a list of images as a filesystem tree, with nice tag filtering.
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	19 '''
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	20
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	21 def __init__(self, tagfiles, root):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	22 '''
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	23 Takes a list of files containing the tags. They have to be named as the
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	24 image, with ".tags" at the end.
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	25 '''
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	26 self.paths = {}
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	27 self.files = {}
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	28 self.tags = {}
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	29 self.cache = {}
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	30
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	31 start = time()
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	32
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	33 for name in tagfiles:
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	34 filename = name.replace('.tags', '')
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	35 basename = os.path.basename(filename)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	36 self.paths[basename] = filename
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	37 tags = []
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	38 self.files[basename] = tags
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	39 with open(name, 'r') as file:
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	40 for line in file:
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	41 for tag in line.split():
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	42 tag = tag.decode('UTF-8')
1 63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	43 tag = tag.replace('/', u'�') #XXX
0 215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	44 tags.append(tag)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	45 self.tags.setdefault(tag, []).append(basename)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	46
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	47 print('[%d] Index done.' % (time() - start))
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	48
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	49 self.root = root
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	50 self.rwlock = Lock()
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	51
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	52 def _split_path(self, path):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	53 if path == '/':
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	54 return (None, None)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	55
1 63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	56 real_path = path[1:].split('/')
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	57
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	58 # Remove the leading - of tag exclusion.
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	59 path = [tag[1:] if tag[0] == '-' else tag for tag in real_path]
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	60
0 215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	61 if filter(lambda tag: tag not in self.tags, path[:-1]):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	62 raise FuseOSError(ENOENT)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	63
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	64 if path[-1] in self.tags:
1 63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	65 return (real_path, None)
0 215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	66
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	67 if path[-1] not in self.paths:
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	68 raise FuseOSError(ENOENT)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	69
1 63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	70 return (real_path[:-1], self.paths[real_path[-1]])
0 215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	71
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	72 def access(self, path, mode):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	73 self._split_path(path)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	74
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	75 def getattr(self, path, fh=None):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	76 tags, file = self._split_path(path)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	77 path = file if file else self.root
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	78 st = os.lstat(path)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	79 return dict((key, getattr(st, key)) for key in ('st_atime', 'st_ctime',
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	80 'st_gid', 'st_mode', 'st_mtime', 'st_nlink', 'st_size', 'st_uid'))
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	81
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	82 getxattr = None
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	83 listxattr = None
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	84 def open(self, path, flags):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	85 tags, file = self._split_path(path)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	86 return os.open(file, flags)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	87
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	88 def read(self, path, size, offset, fh):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	89 with self.rwlock:
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	90 os.lseek(fh, offset, 0)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	91 return os.read(fh, size)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	92
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	93 def readdir(self, path, fh):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	94 if path == '/':
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	95 return ['.', '..'] + self.tags.keys() + self.files.keys()
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	96
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	97 tags, file = self._split_path(path)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	98 if file:
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	99 return FuseOSError(ENOTDIR)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	100
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	101 tags = set(tags)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	102
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	103 l = ' '.join(tags)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	104 if l in self.cache:
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	105 return ['.', '..'] + self.cache[l]
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	106
1 63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	107 inclusion_tags = set(tag for tag in tags if tag[0] != '-')
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	108 exclusion_tags = set(tag[1:] for tag in tags if tag[0] == '-')
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	109
0 215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	110 # Get the list of the files corresponding to those tags.
1 63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	111 files = reduce((lambda s, t: s.intersection(self.tags[t])), inclusion_tags, set(self.files))
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	112 files -= set([f for f in files if exclusion_tags.intersection(self.files[f])])
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	113
63ccd8b0d615 Add tag exclusion support. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 0 diff changeset	114 # Those next two steps are for useless tags removal.
0 215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	115
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	116 # Get the tags of those files.
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	117 taglist = reduce((lambda s, f: s.union(self.files[f])), files, set())
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	118 taglist -= tags
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	119
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	120 # Remove the tags that can’t precise the file list anymore.
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	121 rm = reduce((lambda s, f: s.intersection(self.files[f])), files, taglist)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	122 taglist -= rm
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	123
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	124 self.cache[l] = list(taglist) + list(files)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	125 return ['.', '..'] + self.cache[l]
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	126
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	127 readlink = os.readlink
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	128
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	129 def release(self, path, fh):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	130 return os.close(fh)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	131
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	132 def statfs(self, path):
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	133 tags, file = self._split_path(path)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	134 path = file if file else self.root
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	135 stv = os.statvfs(path)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	136 return dict((key, getattr(stv, key)) for key in ('f_bavail', 'f_bfree',
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	137 'f_blocks', 'f_bsize', 'f_favail', 'f_ffree', 'f_files', 'f_flag',
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	138 'f_frsize', 'f_namemax'))
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	139
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	140 utimens = os.utime
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	141
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	142
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	143 if __name__ == '__main__':
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	144 if len(argv) < 3:
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	145 print('usage: %s <tag file> [<tag file>...] <mountpoint>' % argv[0])
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	146 exit(1)
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	147
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	148 mountpoint = argv.pop()
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	149
215d51f2a82f Initial commit. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: diff changeset	150 fuse = FUSE(Danbooru(argv[1:], os.path.dirname(mountpoint)), mountpoint, foreground=True)

Mercurial > danboorufs

annotate danboorufs.py @ 1:63ccd8b0d615 draft