Source Code for Module qm.external.DocumentTemplate.DT_Return

 1  ############################################################################## 
 2  # 
 3  # Copyright (c) 2002 Zope Corporation and Contributors. All Rights Reserved. 
 4  # 
 5  # This software is subject to the provisions of the Zope Public License, 
 6  # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution. 
 7  # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED 
 8  # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 9  # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS 
10  # FOR A PARTICULAR PURPOSE 
11  # 
12  ############################################################################## 
13  __version__='$Revision: 1069 $'[11:-2] 
14   
15  from DT_Util import parse_params, name_param, html_quote, str 
16  import string, sys 
17  from string import find, split, join, atoi, rfind 
18   
19 -class ReturnTag:  
20      name='return' 
21      expr=None 
22   
23 -    def __init__(self, args): 
24          args = parse_params(args, name='', expr='') 
25          name, expr = name_param(args,'var',1) 
26          self.__name__, self.expr = name, expr 
27   
28 -    def render(self, md): 
29          name=self.__name__ 
30          val=self.expr 
31          if val is None: 
32              val = md[name] 
33          else: 
34              val=val.eval(md) 
35   
36          raise DTReturn(val) 
37   
38      __call__ = render 
39   
40 -class DTReturn: 
41 -    def __init__(self, v): 
42          self.v = v 
43