1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
# Taken from http://download.bittorrent.com/dl/BitTorrent-5.3-GPL.tar.gz
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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/>.
# Written by Bram Cohen
# Modifications for use in Deluge by Andrew Resch 2008
import os
import os.path
import sys
import time
from sha import sha
from deluge.bencode import bencode
from deluge.log import LOG as log
ignore = ['core', 'CVS', 'Thumbs.db', 'desktop.ini']
noncharacter_translate = {}
for i in xrange(0xD800, 0xE000):
noncharacter_translate[i] = ord('-')
for i in xrange(0xFDD0, 0xFDF0):
noncharacter_translate[i] = ord('-')
for i in (0xFFFE, 0xFFFF):
noncharacter_translate[i] = ord('-')
def gmtime():
return time.mktime(time.gmtime())
def get_filesystem_encoding():
default_encoding = 'utf8'
if os.path.supports_unicode_filenames:
encoding = None
else:
try:
encoding = sys.getfilesystemencoding()
except AttributeError:
log.debug("This version of Python cannot detect filesystem encoding.")
if encoding is None:
encoding = default_encoding
log.debug("Python failed to detect filesystem encoding. "
"Assuming '%s' instead.", default_encoding)
else:
try:
'a1'.decode(encoding)
except:
log.debug("Filesystem encoding '%s' is not supported. Using '%s' instead.",
encoding, default_encoding)
encoding = default_encoding
return encoding
def decode_from_filesystem(path):
encoding = get_filesystem_encoding()
if encoding == None:
assert isinstance(path, unicode), "Path should be unicode not %s" % type(path)
decoded_path = path
else:
assert isinstance(path, str), "Path should be str not %s" % type(path)
decoded_path = path.decode(encoding)
return decoded_path
def dummy(v):
pass
def make_meta_file(path, url, piece_length, progress=dummy,
title=None, comment=None, safe=None, content_type=None,
target=None, url_list=None, name=None, private=False,
created_by=None, httpseeds=None):
data = {'creation date': int(gmtime())}
if url:
data['announce'] = url.strip()
a, b = os.path.split(path)
if not target:
if b == '':
f = a + '.torrent'
else:
f = os.path.join(a, b + '.torrent')
else:
f = target
info = makeinfo(path, piece_length, progress, name, content_type, private)
#check_info(info)
h = file(f, 'wb')
data['info'] = info
if title:
data['title'] = title
if comment:
data['comment'] = comment
if safe:
data['safe'] = safe
if url_list:
data['url-list'] = url_list
if created_by:
data['created by'] = created_by
if httpseeds:
data['httpseeds'] = httpseeds
h.write(bencode(data))
h.close()
def calcsize(path):
total = 0
for s in subfiles(os.path.abspath(path)):
total += os.path.getsize(s[1])
return total
def makeinfo(path, piece_length, progress, name = None,
content_type = None, private=False): # HEREDAVE. If path is directory,
# how do we assign content type?
def to_utf8(name):
if isinstance(name, unicode):
u = name
else:
try:
u = decode_from_filesystem(name)
except Exception, e:
raise Exception('Could not convert file/directory name %r to '
'Unicode. Either the assumed filesystem '
'encoding "%s" is wrong or the filename contains '
'illegal bytes.') % (name, get_filesystem_encoding())
if u.translate(noncharacter_translate) != u:
raise Exception('File/directory name "%s" contains reserved '
'unicode values that do not correspond to '
'characters.' % name)
return u.encode('utf-8')
path = os.path.abspath(path)
piece_count = 0
if os.path.isdir(path):
subs = subfiles(path)
subs.sort()
pieces = []
sh = sha()
done = 0
fs = []
totalsize = 0.0
totalhashed = 0
for p, f in subs:
totalsize += os.path.getsize(f)
if totalsize >= piece_length:
num_pieces = totalsize / piece_length
else:
num_pieces = 1
for p, f in subs:
pos = 0
size = os.path.getsize(f)
p2 = [to_utf8(n) for n in p]
if content_type:
fs.append({'length': size, 'path': p2,
'content_type' : content_type}) # HEREDAVE. bad for batch!
else:
fs.append({'length': size, 'path': p2})
h = file(f, 'rb')
while pos < size:
a = min(size - pos, piece_length - done)
sh.update(h.read(a))
piece_count += 1
done += a
pos += a
totalhashed += a
if done == piece_length:
pieces.append(sh.digest())
done = 0
sh = sha()
progress(piece_count, num_pieces)
h.close()
if done > 0:
pieces.append(sh.digest())
if name is not None:
assert isinstance(name, unicode)
name = to_utf8(name)
else:
name = to_utf8(os.path.split(path)[1])
return {'pieces': ''.join(pieces),
'piece length': piece_length, 'files': fs,
'name': name,
'private': private}
else:
size = os.path.getsize(path)
if size >= piece_length:
num_pieces = size / piece_length
else:
num_pieces = 1
pieces = []
p = 0
h = file(path, 'rb')
while p < size:
x = h.read(min(piece_length, size - p))
pieces.append(sha(x).digest())
piece_count += 1
p += piece_length
if p > size:
p = size
progress(piece_count, num_pieces)
h.close()
if content_type is not None:
return {'pieces': ''.join(pieces),
'piece length': piece_length, 'length': size,
'name': to_utf8(os.path.split(path)[1]),
'content_type' : content_type,
'private': private }
return {'pieces': ''.join(pieces),
'piece length': piece_length, 'length': size,
'name': to_utf8(os.path.split(path)[1]),
'private': private}
def subfiles(d):
r = []
stack = [([], d)]
while stack:
p, n = stack.pop()
if os.path.isdir(n):
for s in os.listdir(n):
if s not in ignore and not s.startswith('.'):
stack.append((p + [s], os.path.join(n, s)))
else:
r.append((p, n))
return r
|