236 lines
7.4 KiB
Python
236 lines
7.4 KiB
Python
# Taken from http://download.bittorrent.com/dl/BitTorrent-5.3-GPL.tar.gz
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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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, see <http://www.gnu.org/licenses/>.
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# Written by Bram Cohen
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# Modifications for use in Deluge by Andrew Resch 2008
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import os
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import os.path
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import sys
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import time
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from hashlib import sha1 as sha
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from deluge.bencode import bencode
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from deluge.log import LOG as log
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ignore = ['core', 'CVS', 'Thumbs.db', 'desktop.ini']
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noncharacter_translate = {}
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for i in xrange(0xD800, 0xE000):
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noncharacter_translate[i] = ord('-')
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for i in xrange(0xFDD0, 0xFDF0):
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noncharacter_translate[i] = ord('-')
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for i in (0xFFFE, 0xFFFF):
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noncharacter_translate[i] = ord('-')
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def gmtime():
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return time.mktime(time.gmtime())
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def get_filesystem_encoding():
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return sys.getfilesystemencoding()
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def decode_from_filesystem(path):
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encoding = get_filesystem_encoding()
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if encoding == None:
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assert isinstance(path, unicode), "Path should be unicode not %s" % type(path)
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decoded_path = path
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else:
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assert isinstance(path, str), "Path should be str not %s" % type(path)
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decoded_path = path.decode(encoding)
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return decoded_path
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def dummy(*v):
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pass
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def make_meta_file(path, url, piece_length, progress=dummy,
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title=None, comment=None, safe=None, content_type=None,
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target=None, webseeds=None, name=None, private=False,
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created_by=None, trackers=None):
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data = {'creation date': int(gmtime())}
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if url:
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data['announce'] = url.strip()
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a, b = os.path.split(path)
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if not target:
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if b == '':
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f = a + '.torrent'
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else:
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f = os.path.join(a, b + '.torrent')
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else:
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f = target
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info = makeinfo(path, piece_length, progress, name, content_type, private)
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#check_info(info)
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h = file(f, 'wb')
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data['info'] = info
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if title:
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data['title'] = title.encode("utf8")
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if comment:
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data['comment'] = comment.encode("utf8")
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if safe:
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data['safe'] = safe.encode("utf8")
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httpseeds = []
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url_list = []
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if webseeds:
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for webseed in webseeds:
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if webseed.endswith(".php"):
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httpseeds.append(webseed)
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else:
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url_list.append(webseed)
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if url_list:
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data['url-list'] = url_list
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if httpseeds:
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data['httpseeds'] = httpseeds
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if created_by:
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data['created by'] = created_by.encode("utf8")
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if trackers and (len(trackers[0]) > 1 or len(trackers) > 1):
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data['announce-list'] = trackers
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data["encoding"] = "UTF-8"
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h.write(bencode(data))
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h.close()
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def calcsize(path):
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total = 0
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for s in subfiles(os.path.abspath(path)):
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total += os.path.getsize(s[1])
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return total
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def makeinfo(path, piece_length, progress, name = None,
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content_type = None, private=False): # HEREDAVE. If path is directory,
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# how do we assign content type?
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def to_utf8(name):
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if isinstance(name, unicode):
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u = name
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else:
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try:
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u = decode_from_filesystem(name)
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except Exception, e:
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raise Exception('Could not convert file/directory name %r to '
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'Unicode. Either the assumed filesystem '
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'encoding "%s" is wrong or the filename contains '
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'illegal bytes.' % (name, get_filesystem_encoding()))
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if u.translate(noncharacter_translate) != u:
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raise Exception('File/directory name "%s" contains reserved '
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'unicode values that do not correspond to '
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'characters.' % name)
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return u.encode('utf-8')
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path = os.path.abspath(path)
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piece_count = 0
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if os.path.isdir(path):
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subs = subfiles(path)
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subs.sort()
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pieces = []
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sh = sha()
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done = 0
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fs = []
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totalsize = 0.0
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totalhashed = 0
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for p, f in subs:
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totalsize += os.path.getsize(f)
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if totalsize >= piece_length:
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import math
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num_pieces = math.ceil(float(totalsize) / float(piece_length))
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else:
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num_pieces = 1
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for p, f in subs:
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pos = 0
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size = os.path.getsize(f)
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p2 = [to_utf8(n) for n in p]
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if content_type:
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fs.append({'length': size, 'path': p2,
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'content_type' : content_type}) # HEREDAVE. bad for batch!
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else:
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fs.append({'length': size, 'path': p2})
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h = file(f, 'rb')
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while pos < size:
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a = min(size - pos, piece_length - done)
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sh.update(h.read(a))
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done += a
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pos += a
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totalhashed += a
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if done == piece_length:
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pieces.append(sh.digest())
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piece_count += 1
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done = 0
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sh = sha()
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progress(piece_count, num_pieces)
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h.close()
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if done > 0:
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pieces.append(sh.digest())
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progress(piece_count, num_pieces)
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if name is not None:
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assert isinstance(name, unicode)
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name = to_utf8(name)
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else:
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name = to_utf8(os.path.split(path)[1])
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return {'pieces': ''.join(pieces),
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'piece length': piece_length, 'files': fs,
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'name': name,
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'private': private}
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else:
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size = os.path.getsize(path)
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if size >= piece_length:
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num_pieces = size / piece_length
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else:
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num_pieces = 1
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pieces = []
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p = 0
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h = file(path, 'rb')
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while p < size:
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x = h.read(min(piece_length, size - p))
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pieces.append(sha(x).digest())
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piece_count += 1
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p += piece_length
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if p > size:
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p = size
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progress(piece_count, num_pieces)
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h.close()
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if content_type is not None:
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return {'pieces': ''.join(pieces),
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'piece length': piece_length, 'length': size,
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'name': to_utf8(os.path.split(path)[1]),
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'content_type' : content_type,
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'private': private }
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return {'pieces': ''.join(pieces),
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'piece length': piece_length, 'length': size,
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'name': to_utf8(os.path.split(path)[1]),
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'private': private}
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def subfiles(d):
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r = []
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stack = [([], d)]
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while stack:
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p, n = stack.pop()
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if os.path.isdir(n):
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for s in os.listdir(n):
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if s not in ignore and not s.startswith('.'):
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stack.append((p + [s], os.path.join(n, s)))
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else:
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r.append((p, n))
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return r
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