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#! /usr/bin/env python3
# mkreal
#
# turn a symlink to a directory into a real directory
import sys
import os
from stat import *
join = os.path.join
error = 'mkreal error'
BUFSIZE = 32*1024
def mkrealfile(name):
st = os.stat(name) # Get the mode
mode = S_IMODE(st[ST_MODE])
linkto = os.readlink(name) # Make sure again it's a symlink
f_in = open(name, 'r') # This ensures it's a file
os.unlink(name)
f_out = open(name, 'w')
while 1:
buf = f_in.read(BUFSIZE)
if not buf: break
f_out.write(buf)
del f_out # Flush data to disk before changing mode
os.chmod(name, mode)
def mkrealdir(name):
st = os.stat(name) # Get the mode
mode = S_IMODE(st[ST_MODE])
linkto = os.readlink(name)
files = os.listdir(name)
os.unlink(name)
os.mkdir(name, mode)
os.chmod(name, mode)
linkto = join(os.pardir, linkto)
#
for filename in files:
if filename not in (os.curdir, os.pardir):
os.symlink(join(linkto, filename), join(name, filename))
def main():
sys.stdout = sys.stderr
progname = os.path.basename(sys.argv[0])
if progname == '-c': progname = 'mkreal'
args = sys.argv[1:]
if not args:
print('usage:', progname, 'path ...')
sys.exit(2)
status = 0
for name in args:
if not os.path.islink(name):
print(progname+':', name+':', 'not a symlink')
status = 1
else:
if os.path.isdir(name):
mkrealdir(name)
else:
mkrealfile(name)
sys.exit(status)
if __name__ == '__main__':
main()
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