dataparser.py 文件源码

def include(self):
        self._lexer.scan_any() # scan include
        self._lexer.scan_any() # scan (
        try:
            filename = self._lexer.scan('STRING')
        except:
            print >> sys.stderr, "Warning: The file '%s' uses old style syntax for the include command." % self.m_filename
            print >> sys.stderr, 'This is not fatal now but will be in the future. You should change the code\nfrom include(filename) to include("filename")\n'
            filename = self._lexer.scan('NAME')
        fn = os.path.join(self.m_location, filename)

        if not os.path.exists(fn):
            fn = os.path.join(os.getcwdu(), u'exercises/standard/lesson-files', filename)
        s = open(fn, 'rU').read()
        p = Dataparser()
        p.m_location = self.m_location
        p.parse_string(s)
        self._lexer.scan(')')
        return pt.IncludeStatement(p.tree)