GAE template 中 {% if xx in yy %} zz {% endif %} 使用 - V2EX
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GAE template 中 {% if xx in yy %} zz {% endif %} 使用

  •  
  •   crazycookie 2011-04-07 10:01:39 +08:00 6098 次点击
    这是一个创建于 5333 天前的主题,其中的信息可能已经有所发展或是发生改变。
    发现GAE中默认的template应该是使用的0.96的版本,不支持if in 语法
    如何切换到1.2版本? 支持 if in 等更多特性的模板语言呢?
    9 条回复    1970-01-01 08:00:00 +08:00
    Livid
        1
    Livid  
    MOD
    PRO
       2011-04-07 10:15:28 +08:00
    from google.appengine.dist import use_library

    os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'

    use_library('django', '1.2')
    crazycookie
        2
    crazycookie  
    OP
       2011-04-07 10:37:46 +08:00
    [code]UnacceptableVersionError: django 1.2 was requested, but 0.96.4.None is already in use[/code]
    iwinux
        3
    iwinux  
       2011-04-07 10:41:39 +08:00
    你是不是从 webapp 里 import 了 template?那个是 0.96 的。
    crazycookie
        4
    crazycookie  
    OP
       2011-04-07 14:04:00 +08:00
    去掉了from google.appengine.ext.webapp import template
    依旧不行
    crazycookie
        5
    crazycookie  
    OP
       2011-04-07 14:10:50 +08:00
    在 根目录下建立一个 appengine_config.py

    内容入下:

    import os
    import sys

    os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'
    for k in [k for k in sys.modules if k.startswith('django')]:
    del sys.modules[k]

    from google.appengine.dist import use_library
    use_library('django', '1.2')

    问题解决
    darcy
        6
    darcy  
       2011-04-07 14:22:18 +08:00
    os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'
    from google.appengine.dist import use_library
    use_library('django', '1.2')

    from google.appengine.ext import webapp
    from google.appengine.ext.webapp import util, template

    use_library在import template 之前
    crazycookie
        7
    crazycookie  
    OP
       2011-04-08 00:18:43 +08:00
    继续问题2,与这个话题相关
    1.2的template include 语法 不支持 上级目录引入文件
    比如 {% include "../header.html" %}

    应该如何解决呢?
    0.96是支持的
    darasion
        9
    darasion  
       2011-04-12 22:31:54 +08:00
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