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
|
# Module 'shutil' -- utility functions usable in a shell-like program
import posix
import path
MODEBITS = 010000 # Lower 12 mode bits
# Change this to 01000 (9 mode bits) to avoid copying setuid etc.
# Copy data from src to dst
#
def copyfile(src, dst):
fsrc = open(src, 'r')
fdst = open(dst, 'w')
while 1:
buf = fsrc.read(16*1024)
if not buf: break
fdst.write(buf)
# Copy mode bits from src to dst
#
def copymode(src, dst):
st = posix.stat(src)
mode = divmod(st[0], MODEBITS)[1]
posix.chmod(dst, mode)
# Copy all stat info (mode bits, atime and mtime) from src to dst
#
def copystat(src, dst):
st = posix.stat(src)
mode = divmod(st[0], MODEBITS)[1]
posix.chmod(dst, mode)
posix.utimes(dst, st[7:9])
# Copy data and mode bits ("cp src dst")
#
def copy(src, dst):
copyfile(src, dst)
copymode(src, dst)
# Copy data and all stat info ("cp -p src dst")
#
def copy2(src, dst):
copyfile(src, dst)
copystat(src, dst)
# Recursively copy a directory tree.
# The destination must not already exist.
#
def copytree(src, dst):
names = posix.listdir(src)
posix.mkdir(dst, 0777)
dot_dotdot = '.', '..'
for name in names:
if name not in dot_dotdot:
srcname = path.cat(src, name)
dstname = path.cat(dst, name)
#print 'Copying', srcname, 'to', dstname
try:
#if path.islink(srcname):
# linkto = posix.readlink(srcname)
# posix.symlink(linkto, dstname)
#elif path.isdir(srcname):
if path.isdir(srcname):
copytree(srcname, dstname)
else:
copy2(srcname, dstname)
# XXX What about devices, sockets etc.?
except posix.error, why:
print 'Could not copy', srcname, 'to', dstname,
print '(', why[1], ')'
|