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  • 语言包格式错误引起组件崩溃

    最近在修正一些运行时错误中,发现了类似的错误模式,例如

    打开SYSADMIN后,教师面板无法进入,检查lms/log发现

    1 File "/tmp/mako_lms/instructor/instructor_dashboard_2/course_info.html.py", line 141, in render_body
    2     link_end='</a>'
    3 KeyError: u' link_start '

    用户注册后不能发送邮件,也不能跳转到注册成功页面,而邮件却已正确配置。检查lms/log发现

    1 Jul 15 12:33:10 i-hjpuo2yh [service_variant=lms][django.request][env:sandbox] ERROR [i-hjpuo2yh  19843] [base.py:213] - Internal Server Error: /create_account
    2 Traceback (most recent call last):
    3   File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 109, in get_response
    4     response = callback(request, *callback_args, **callback_kwargs)
    5   File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/decorators/csrf.py", line 77, in wrapped_view
    6     return view_func(*args, **kwargs)
    7   File "/edx/app/edxapp/edx-platform/common/djangoapps/student/views.py", line 1615, in create_account
    8     create_account_with_params(request, post_override or request.POST)
    9   File "/edx/app/edxapp/edx-platform/common/djangoapps/student/views.py", line 1534, in create_account_with_params
    10     message = render_to_string('emails/activation_email.txt', context)
    11   File "/edx/app/edxapp/edx-platform/common/djangoapps/edxmako/shortcuts.py", line 134, in render_to_string
    12     return template.render_unicode(**context_dictionary)
    13   File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/mako/template.py", line 452, in render_unicode
    14     as_unicode=True)
    15   File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/mako/runtime.py", line 807, in _render
    16     **_kwargs_for_callable(callable_, data))
    17   File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/mako/runtime.py", line 839, in _render_context
    18     _exec_template(inherit, lclcontext, args=args, kwargs=kwargs)
    19   File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/mako/runtime.py", line 865, in _exec_template
    20     callable_(context, *args, **kwargs)
    21   File "/tmp/mako_lms/emails/activation_email.txt.py", line 51, in render_body
    22     platform_name=settings.PLATFORM_NAME
    23 KeyError: u' platform_name '

    共同的错误提示KeyError。在和社区开发者进行探讨后,认为是模板的问题,于是@wwj718修改了模板文件使组件可运行并提交commit到github。而edX社区的开发者提示这是语言包问题。

    1 This looks to me like a translator added spaces into the format placeholder, turning {link_start} into { link_start }. The fix is to remove the spaces in the translation. Removing the placeholder names as you have done will make it impossible to translate this string in the future.
    2  
    3 Can you double-check your translation files to see if there are spaces in the translated string?
    4  
    5 :-1: on merging this change.
    6  
    7  
    8 PS, the command i18n_tool validate will find errors with all translation files you have, so you can correct them if you wish. On master, all translation files pass this check.

    检查mako.po文件发现,的确是翻译者在变量中加入了错误的空格导致:

    {link_start} -&gt; { link_start }
    {platform_name} -&gt; { platform_name }

    凡是错误加入空格的地方,涉及的组件都会出现KeyError错误。

    一劳永逸的做法,我们已在transifex修正了目前发现的几十处类似语言包错误并确认审核。重新下载编译语言包即可修正此类错误。

    `N9GM7DC@DJTH6HJ2_TK2]K D0D6E921-CCD7-4964-A919-8FA0329B13BF

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  • 原文地址:https://www.cnblogs.com/zhaojianwei/p/4661150.html
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