recipe-52217.py 文件源码

def exec_python(self, result):
        # Condition the code.  Replace all tabs with four spaces.  Then make
        # sure that we unindent every line by the indentation level of the
        # first line.
        code = result.group('code')
        code = string.replace(code, '\t', '    ')
        result2 = re.search(r'(?P<prefix>\n[ ]*)[#a-zA-Z0-9''"]', code)
        if not result2:
            raise ParsingError,'Invalid template code expression: ' + code
        code = string.replace(code, result2.group('prefix'), '\n')
        code = code + '\n'

        try:
            self.global_dict['OUTPUT_TEXT'] = ''
            if self.local_dict:
                exec code in self.global_dict, self.local_dict 
            else:
                exec code in self.global_dict
            return self.global_dict['OUTPUT_TEXT']
        except:
            self.errorLogger('\n---- Error parsing: ----\n')
            self.errorLogger(code)
            self.errorLogger('\n------------------------\n')
            raise

    # Subroutine called from re module for every block of code to be
    # evaluated. Returned the result of the evaluation (should be a string).