Environment.py 文件源码

def Dump(self, key = None):
        """
        Using the standard Python pretty printer, return the contents of the
        scons build environment as a string.

        If the key passed in is anything other than None, then that will
        be used as an index into the build environment dictionary and
        whatever is found there will be fed into the pretty printer. Note
        that this key is case sensitive.
        """
        import pprint
        pp = pprint.PrettyPrinter(indent=2)
        if key:
            dict = self.Dictionary(key)
        else:
            dict = self.Dictionary()
        return pp.pformat(dict)