1# Copyright (C) 2009 Kevin Ollivier All rights reserved. 2# 3# Redistribution and use in source and binary forms, with or without 4# modification, are permitted provided that the following conditions 5# are met: 6# 1. Redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer. 8# 2. Redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution. 11# 12# THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 13# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 15# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 16# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 17# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 18# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 19# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 20# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23# 24# This module is for code where we override waf's default behavior or extend waf 25 26import os 27import subprocess 28import sys 29 30import Utils 31 32# version of exec_command that handles Windows command lines longer than 32000 chars 33def exec_command(s, **kw): 34 filename = '' 35 if sys.platform.startswith('win') and len(' '.join(s)) > 32000: 36 import tempfile 37 (fd, filename) = tempfile.mkstemp() 38 os.write(fd, ' '.join(s[1:])) 39 os.close(fd) 40 41 s = [s[0], '@' + filename] 42 43 if 'log' in kw: 44 kw['stdout'] = kw['stderr'] = kw['log'] 45 del(kw['log']) 46 kw['shell'] = isinstance(s, str) 47 48 def cleanup(): 49 try: 50 if os.path.exists(filename): 51 os.remove(filename) 52 except: 53 pass 54 55 try: 56 proc = subprocess.Popen(s, **kw) 57 result = proc.wait() 58 cleanup() 59 return result 60 61 except OSError: 62 cleanup() 63 raise 64 65Utils.exec_command = exec_command 66 67# Better performing h_file to keep hashing from consuming lots of time 68import stat 69def h_file(filename): 70 st = os.stat(filename) 71 if stat.S_ISDIR(st[stat.ST_MODE]): raise IOError('not a file') 72 m = Utils.md5() 73 m.update(str(st.st_mtime)) 74 m.update(str(st.st_size)) 75 m.update(filename) 76 return m.digest() 77 78Utils.h_file = h_file 79