third_party/waf/wafadmin/3rdparty/paranoid.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 # ita 2010
   4
   5 import Logs, Utils, Build, Task
   6
   7 def say(txt):
   8         Logs.warn("^o^: %s" % txt)
   9
  10 try:
  11         ret = Utils.cmd_output('which cowsay 2> /dev/null').strip()
  12 except Exception, e:
  13         pass
  14 else:
  15         def say(txt):
  16                 f = Utils.cmd_output([ret, txt])
  17                 Utils.pprint('PINK', f)
  18
  19 say('you make the errors, we detect them')
  20
  21 def check_task_classes(self):
  22         for x in Task.TaskBase.classes:
  23                 if isinstance(x, Task.Task):
  24                         if not getattr(cls, 'ext_in', None) or getattr(cls, 'before', None):
  25                                 say('class %s has no precedence constraints (ext_in/before)')
  26                         if not getattr(cls, 'ext_out', None) or getattr(cls, 'after', None):
  27                                 say('class %s has no precedence constraints (ext_out/after)')
  28
  29 comp = Build.BuildContext.compile
  30 def compile(self):
  31         if not getattr(self, 'magic', None):
  32                 check_task_classes(self)
  33         return comp(self)
  34 Build.BuildContext.compile = compile