waf

   1 #!/usr/bin/env python
   2 # encoding: ISO8859-1
   3 # Thomas Nagy, 2005-2012
   4
   5 """
   6 Redistribution and use in source and binary forms, with or without
   7 modification, are permitted provided that the following conditions
   8 are met:
   9
  10 1. Redistributions of source code must retain the above copyright
  11    notice, this list of conditions and the following disclaimer.
  12
  13 2. Redistributions in binary form must reproduce the above copyright
  14    notice, this list of conditions and the following disclaimer in the
  15    documentation and/or other materials provided with the distribution.
  16
  17 3. The name of the author may not be used to endorse or promote products
  18    derived from this software without specific prior written permission.
  19
  20 THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
  21 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  22 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  24 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  25 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  26 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  28 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  29 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30 POSSIBILITY OF SUCH DAMAGE.
  31 """
  32
  33 import os, sys
  34
  35 VERSION="1.7.5"
  36 REVISION="65600dfecd98e562ac2c9a620d13fd61"
  37 INSTALL=''
  38 C1='#&'
  39 C2='#%'
  40 cwd = os.getcwd()
  41 join = os.path.join
  42
  43
  44 WAF='waf'
  45 def b(x):
  46         return x
  47 if sys.hexversion>0x300000f:
  48         WAF='waf3'
  49         def b(x):
  50                 return x.encode()
  51
  52 def err(m):
  53         print(('\033[91mError: %s\033[0m' % m))
  54         sys.exit(1)
  55
  56 def unpack_wafdir(dir):
  57         f = open(sys.argv[0],'rb')
  58         c = 'corrupt archive (%d)'
  59         while 1:
  60                 line = f.readline()
  61                 if not line: err('run waf-light from a folder containing waflib')
  62                 if line == b('#==>\n'):
  63                         txt = f.readline()
  64                         if not txt: err(c % 1)
  65                         if f.readline() != b('#<==\n'): err(c % 2)
  66                         break
  67         if not txt: err(c % 3)
  68         txt = txt[1:-1].replace(b(C1), b('\n')).replace(b(C2), b('\r'))
  69
  70         import shutil, tarfile
  71         try: shutil.rmtree(dir)
  72         except OSError: pass
  73         try:
  74                 for x in ['Tools', 'extras']:
  75                         os.makedirs(join(dir, 'waflib', x))
  76         except OSError:
  77                 err("Cannot unpack waf lib into %s\nMove waf in a writable directory" % dir)
  78
  79         os.chdir(dir)
  80         tmp = 't.bz2'
  81         t = open(tmp,'wb')
  82         try: t.write(txt)
  83         finally: t.close()
  84
  85         try:
  86                 t = tarfile.open(tmp)
  87         except:
  88                 try:
  89                         os.system('bunzip2 t.bz2')
  90                         t = tarfile.open('t')
  91                         tmp = 't'
  92                 except:
  93                         os.chdir(cwd)
  94                         try: shutil.rmtree(dir)
  95                         except OSError: pass
  96                         err("Waf cannot be unpacked, check that bzip2 support is present")
  97
  98         try:
  99                 for x in t: t.extract(x)
 100         finally:
 101                 t.close()
 102
 103         for x in ['Tools', 'extras']:
 104                 os.chmod(join('waflib',x), 493)
 105
 106         if sys.hexversion<0x300000f:
 107                 sys.path = [join(dir, 'waflib')] + sys.path
 108                 import fixpy2
 109                 fixpy2.fixdir(dir)
 110
 111         os.unlink(tmp)
 112         os.chdir(cwd)
 113
 114         try: dir = unicode(dir, 'mbcs')
 115         except: pass
 116         try:
 117                 from ctypes import windll
 118                 windll.kernel32.SetFileAttributesW(dir, 2)
 119         except:
 120                 pass
 121
 122 def test(dir):
 123         try:
 124                 os.stat(join(dir, 'waflib'))
 125                 return os.path.abspath(dir)
 126         except OSError:
 127                 pass
 128
 129 def find_lib():
 130         name = sys.argv[0]
 131         base = os.path.dirname(os.path.abspath(name))
 132
 133         #devs use $WAFDIR
 134         w=test(os.environ.get('WAFDIR', ''))
 135         if w: return w
 136
 137         #waf-light
 138         if name.endswith('waf-light'):
 139                 w = test(base)
 140                 if w: return w
 141                 err('waf-light requires waflib -> export WAFDIR=/folder')
 142
 143         dirname = '%s-%s-%s' % (WAF, VERSION, REVISION)
 144         for i in [INSTALL,'/usr','/usr/local','/opt']:
 145                 w = test(i + '/lib/' + dirname)
 146                 if w: return w
 147
 148         #waf-local
 149         dir = join(base, (sys.platform != 'win32' and '.' or '') + dirname)
 150         w = test(dir)
 151         if w: return w
 152
 153         #unpack
 154         unpack_wafdir(dir)
 155         return dir
 156
 157 wafdir = find_lib()
 158 sys.path.insert(0, wafdir)
 159
 160 if __name__ == '__main__':
 161
 162         from waflib import Scripting
 163         Scripting.waf_entry_point(cwd, VERSION, wafdir)
 164
 165 #==>
 166 #BZh91AY&SY\x14`#%‡\x02Ï)\x7fÿÿ¼¶t\x7fÿÿÿÿÿÿÿÿÿÿÿ