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问题描述
在Django模板中,我需要将一些字符串转换成特定语言(不同于当前的语言)。 >
{%tans_tode我要翻译的字符串%}
或
{%blocktrans_tode %}我的团体翻译{%endblocktrans_to%}
强制翻译成德语。
我知道我可以在视图中调用以下代码:
gettext.translation ('django','locale',['de'],fallback = True).ugettext(我的字符串要翻译)
我需要创建一个特定的模板标签吗?还是Django中已经存在一个专用标签?
解决方案
templatetags / trans_to.py:
从django.utils导入翻译
$ d
从django.utils.translation导入ugettext
从django.template导入库,节点,变量,TemplateSyntaxError
register = Library()
class TransNode(Node):
def __init __(self,value,lc):
self.value = Variable(value)
self.lc = lc
def render(self,context):
translation.activate(self.lc)
val = ugettext(self.value.resolve上下文))
translation.deactivate()
return val
def trans_to(解析器,令牌):
try:
tag_name,value,lc = token.split_contents()
除了ValueError:
raise TemplateSyntaxError,%r tag requires arguments%token.contents.split()[0]
如果没有(lc [0] == lc [-1]和lc [0] in(''''''))
raise TemplateSyntaxError,%r locale应该是引号%tag_name
return TransNode(value,lc [1:-1])$ b
$ b register.tag('trans_to',trans_to)
html:
{%load trans_to%}
{#pass string#}
< p> {%trans_totest de%}< / p>
< p> {%transtest%}< / p>
{#pass variable#}
{%withtestas a_variable%}
< p> {%trans_to a_variablede%}< / p>
< p> {%trans a_variable%}< / p>
{%endwith%}
结果:
< p> test in deutsch< / p>
< p> test< / p>
< p> test in deutsch< / p>
< p> test< / p>
In a Django template, I need to transanlate some strings to a specific language (different from current one).
I would need something like this:
{% tans_to "de" "my string to translate" %}
or
{% blocktrans_to "de" %}my bloc to translate {% endblocktrans_to %}
to force translation to German.
I know I can call the following code in a view:
gettext.translation('django', 'locale', ['de'], fallback=True).ugettext("my string to translate")
Do I need to create a specific template tag ? Or does it already exist a dedicated tag in Django ?
解决方案
templatetags/trans_to.py:
from django.utils import translation
from django.utils.translation import ugettext
from django.template import Library, Node, Variable, TemplateSyntaxError
register = Library()
class TransNode(Node):
def __init__(self, value, lc):
self.value = Variable(value)
self.lc = lc
def render(self, context):
translation.activate(self.lc)
val = ugettext(self.value.resolve(context))
translation.deactivate()
return val
def trans_to(parser, token):
try:
tag_name, value, lc = token.split_contents()
except ValueError:
raise TemplateSyntaxError, "%r tag requires arguments" % token.contents.split()[0]
if not (lc[0] == lc[-1] and lc[0] in ('"', "'")):
raise TemplateSyntaxError, "%r locale should be in quotes" % tag_name
return TransNode(value, lc[1:-1])
register.tag('trans_to', trans_to)
html:
{% load trans_to %}
{# pass string #}
<p>{% trans_to "test" "de" %}</p>
<p>{% trans "test" %}</p>
{# pass variable #}
{% with "test" as a_variable %}
<p>{% trans_to a_variable "de" %}</p>
<p>{% trans a_variable %}</p>
{% endwith %}
result:
<p>test in deutsch</p>
<p>test</p>
<p>test in deutsch</p>
<p>test</p>
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