cpython/Tools/scripts/mkreal.py at master · python-emscripten/cpython · GitHub

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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

with open(name, 'rb') as f_in: # This ensures it's a file

os.unlink(name)

with open(name, 'wb') as f_out:

while 1:

buf = f_in.read(BUFSIZE)

if not buf: break

f_out.write(buf)

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()

cpython/Tools/scripts/mkreal.py at master · python-emscripten/cpython · GitHub

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