waf

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 # Thomas Nagy, 2005-2009
   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 if sys.hexversion<0x203000f: raise ImportError("Waf requires Python >= 2.3")
  35
  36 if 'PSYCOWAF' in os.environ:
  37         try:import psyco;psyco.full()
  38         except:pass
  39
  40 VERSION="1.5.7"
  41 REVISION="8edda22ed216daab7aed3d430dc291cf"
  42 INSTALL=''
  43 C1='#+'
  44 C2='#)'
  45 cwd = os.getcwd()
  46 join = os.path.join
  47
  48 WAF='waf'
  49 def b(x):
  50         return x
  51
  52 if sys.hexversion>0x300000f:
  53         WAF='waf3'
  54         def b(x):
  55                 return x.encode()
  56
  57 def err(m):
  58         print(('\033[91mError: %s\033[0m' % m))
  59         sys.exit(1)
  60
  61 def unpack_wafdir(dir):
  62         f = open(sys.argv[0],'rb')
  63         c = "corrupted waf (%d)"
  64         while 1:
  65                 line = f.readline()
  66                 if not line: err("run waf-light from a folder containing wafadmin")
  67                 if line == b('#==>\n'):
  68                         txt = f.readline()
  69                         if not txt: err(c % 1)
  70                         if f.readline()!=b('#<==\n'): err(c % 2)
  71                         break
  72         if not txt: err(c % 3)
  73         txt = txt[1:-1].replace(b(C1), b('\n')).replace(b(C2), b('\r'))
  74
  75         import shutil, tarfile
  76         try: shutil.rmtree(dir)
  77         except OSError: pass
  78         try: os.makedirs(join(dir, 'wafadmin', 'Tools'))
  79         except OSError: err("Cannot unpack waf lib into %s\nMove waf into a writeable directory" % dir)
  80
  81         os.chdir(dir)
  82         tmp = 't.tbz2'
  83         t = open(tmp,'wb')
  84         t.write(txt)
  85         t.close()
  86
  87         try:
  88                 t = tarfile.open(tmp)
  89                 for x in t: t.extract(x)
  90                 t.close()
  91         except:
  92                 os.chdir(cwd)
  93                 try: shutil.rmtree(dir)
  94                 except OSError: pass
  95                 err("Waf cannot be unpacked, check that bzip2 support is present")
  96
  97         os.chmod(join('wafadmin','Tools'), 493)
  98
  99         os.unlink(tmp)
 100
 101         if sys.hexversion>0x300000f:
 102                 sys.path = [join(dir, 'wafadmin')] + sys.path
 103                 import py3kfixes
 104                 py3kfixes.fixdir(dir)
 105
 106         os.chdir(cwd)
 107
 108 def test(dir):
 109         try: os.stat(join(dir, 'wafadmin')); return os.path.abspath(dir)
 110         except OSError: pass
 111
 112 def find_lib():
 113         name = sys.argv[0]
 114         base = os.path.dirname(os.path.abspath(name))
 115
 116         #devs use $WAFDIR
 117         w=test(os.environ.get('WAFDIR', ''))
 118         if w: return w
 119
 120         #waf-light
 121         if name.endswith('waf-light'):
 122                 w = test(base)
 123                 if w: return w
 124                 err("waf-light requires wafadmin -> export WAFDIR=/folder")
 125
 126         dir = "/lib/%s-%s-%s/" % (WAF, VERSION, REVISION)
 127         for i in [INSTALL,'/usr','/usr/local','/opt']:
 128                 w = test(i+dir)
 129                 if w: return w
 130
 131         #waf-local
 132         s = '.%s-%s-%s'
 133         if sys.platform == 'win32': s = s[1:]
 134         dir = join(base, s % (WAF, VERSION, REVISION))
 135         w = test(dir)
 136         if w: return w
 137
 138         #unpack
 139         unpack_wafdir(dir)
 140         return dir
 141
 142 wafdir = find_lib()
 143 w = join(wafdir, 'wafadmin')
 144 t = join(w, 'Tools')
 145 sys.path = [w, t] + sys.path
 146
 147 import Scripting
 148 Scripting.prepare(t, cwd, VERSION, wafdir)
 149 sys.exit(0)
 150
 151 #==>
 152 #BZh91AY&SY(,\x05  \x01Âûÿÿÿ°\x02B\x7fÿÿÿÿÿÿÿÿÿÿÿ€\x01`