source: waflib/Errors.py @ f3617e7

#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file

import traceback,sys
class WafError(Exception):
        def __init__(self,msg='',ex=None):
                self.msg=msg
                assert not isinstance(msg,Exception)
                self.stack=[]
                if ex:
                        if not msg:
                                self.msg=str(ex)
                        if isinstance(ex,WafError):
                                self.stack=ex.stack
                        else:
                                self.stack=traceback.extract_tb(sys.exc_info()[2])
                self.stack+=traceback.extract_stack()[:-1]
                self.verbose_msg=''.join(traceback.format_list(self.stack))
        def __str__(self):
                return str(self.msg)
class BuildError(WafError):
        def __init__(self,error_tasks=[]):
                self.tasks=error_tasks
                WafError.__init__(self,self.format_error())
        def format_error(self):
                lst=['Build failed']
                for tsk in self.tasks:
                        txt=tsk.format_error()
                        if txt:lst.append(txt)
                return'\n'.join(lst)
class ConfigurationError(WafError):
        pass
class TaskRescan(WafError):
        pass
class TaskNotReady(WafError):
        pass