Django Sass Compressor django_libsass.SassCompiler:找不到命令

Question

Django Sass Compressor django_libsass.SassCompiler:找不到命令

mos*_*shi 7 python django python-2.7 django-compressor wagtail

我正在使用Django-Compressor Filter作为Wagtail的一部分(具有超酷UI的Django变体CMS).环境是Wigtail 0.2 + Python 2.7 + Django 1.6 + Virtualenv + FastCGI + Apache共享主机.

尝试访问CMS的管理员/登录页面时出现问题.Django显示错误渲染模板

    Error during template rendering

In template /home/username/env/lib/python2.7/site-packages/wagtail/wagtailadmin/templates/wagtailadmin/skeleton.html, error at line 20
/bin/sh: django_libsass.SassCompiler: command not found

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skeleton.html的第20行是:

    <!doctype html>
    {% load compress %}
    <!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"  lang="{{ LANGUAGE_CODE|default:"en-gb" }}"> <![endif]-->
    <!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"  lang="{{ LANGUAGE_CODE|default:"en-gb" }}"> <![endif]-->
    <!--[if IE 8]>         <html class="no-js lt-ie9"  lang="{{ LANGUAGE_CODE|default:"en-gb" }}"> <![endif]-->
    <!--[if gt IE 8]><!--> <html class="no-js"  lang="{{ LANGUAGE_CODE|default:"en-gb" }}"> <!--<![endif]-->
        <title>Wagtail - {% block titletag %}{% endblock %}</title>
        <meta name="description" content="" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />

        <script src="//cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>

        {% block css %}{# Block defined for timing breakdowns in django debug toolbar - not expected to be overridden #}
            <link rel="stylesheet" href="//fonts.googleapis.com/css?family=Open+Sans:300,400,600,700" />
            <link rel="stylesheet" href="//fonts.googleapis.com/css?family=Bitter:400,700" /> 
19          
20          {% compress css %}
21              <link rel="stylesheet" href="{{ STATIC_URL }}wagtailadmin/scss/normalize.css" />
                <link rel="stylesheet" href="{{ STATIC_URL }}wagtailadmin/scss/vendor/jquery-ui/jquery-ui-1.10.3.verdant.css" />
                <link rel="stylesheet" href="{{ STATIC_URL }}wagtailadmin/scss/vendor/jquery.timepicker.css" />
                <link rel="stylesheet" href="{{ STATIC_URL }}wagtailadmin/scss/core.scss" type="text/x-scss" />
            {% endcompress %}

            {% block extra_css %}{% endblock %}
        {% endblock %}
    </head>
    <body class="{% block bodyclass %}{% endblock %} {% if messages %}has-messages{% endif %}">

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我的settings.py中的预编译器,DEBUG设置为True:

COMPRESS_ENABLED = True

COMPRESS_PRECOMPILERS = ( 
     ('text/x-scss', 'django_libsass.SassCompiler'), 
)

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试用和错误#1

我已经尝试过改为:

('text/x-scss', '/home/username/env/lib/python2.7/site-packages/django_libsass {infile} {outfile}')

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但这导致我发现字典更新序列元素#0错误.

我有django_libsass与压缩机安装,也试过pip install libsass,ngm install lessc,pip install sass,转弯DEBUG = False,加COMPRESSOR_OFFLINE,加COMPRESSOR_ENABLED在其他类似的问题建议.运行manage.py compress返回相同的错误.

已经重新检查并且site-packages和django_libsass确实在我的sys.path上

可以找到SassCompiler ~/env/lib/python2.7/site-packages/django_libsass.py

试验和错误#2

重新检查sass已安装的和我的路径.

将代码更改为:

COMPRESS_PRECOMPILERS = ( 
     ('text/x-scss', 'sass --scss {infile} {outfile}'), 
 )

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返回错误:

Exception Type: FilterError
Exception Value:    
/bin/sh: sass: command not found

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试验和错误#3

看完这个令人费解的问题后,试图 pip install compass没有效果

试验和错误#4

根据gasman的评论,我运行python manage.py shell并尝试导入SassCompiler它没有错误.

 Python 2.7.6 (default, Nov 11 2013, 18:34:29) 
    [GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] on linux2
    Type "help", "copyright", "credits" or "license" for more information.
    (InteractiveConsole)
    >>> from django_libsass import SassCompiler
    >>>

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完全追溯

如果这个问题太长,我会道歉.

Traceback:
File "/home/username/env/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
  139.                 response = response.render()
File "/home/username/env/lib/python2.7/site-packages/django/template/response.py" in render
  105.             self.content = self.rendered_content
File "/home/username/env/lib/python2.7/site-packages/django/template/response.py" in rendered_content
  82.         content = template.render(context)
File "/home/username/env/lib/python2.7/site-packages/django/template/base.py" in render
  140.             return self._render(context)
File "/home/username/env/lib/python2.7/site-packages/django/template/base.py" in _render
  134.         return self.nodelist.render(context)
File "/home/username/env/lib/python2.7/site-packages/django/template/base.py" in render
  840.                 bit = self.render_node(node, context)
File "/home/username/env/lib/python2.7/site-packages/django/template/debug.py" in render_node
  78.             return node.render(context)
File "/home/username/env/lib/python2.7/site-packages/django/template/loader_tags.py" in render
  123.         return compiled_parent._render(context)
File "/home/username/env/lib/python2.7/site-packages/django/template/base.py" in _render
  134.         return self.nodelist.render(context)
File "/home/username/env/lib/python2.7/site-packages/django/template/base.py" in render
  840.                 bit = self.render_node(node, context)
File "/home/username/env/lib/python2.7/site-packages/django/template/debug.py" in render_node
  78.             return node.render(context)
File "/home/username/env/lib/python2.7/site-packages/django/template/loader_tags.py" in render
  62.             result = block.nodelist.render(context)
File "/home/username/env/lib/python2.7/site-packages/django/template/base.py" in render
  840.                 bit = self.render_node(node, context)
File "/home/username/env/lib/python2.7/site-packages/django/template/debug.py" in render_node
  78.             return node.render(context)
File "/home/username/env/lib/python2.7/site-packages/compressor/templatetags/compress.py" in render
  147.         return self.render_compressed(context, self.kind, self.mode, forced=forced)
File "/home/username/env/lib/python2.7/site-packages/compressor/templatetags/compress.py" in render_compressed
  107.             rendered_output = self.render_output(compressor, mode, forced=forced)
File "/home/username/env/lib/python2.7/site-packages/compressor/templatetags/compress.py" in render_output
  119.         return compressor.output(mode, forced=forced)
File "/home/username/env/lib/python2.7/site-packages/compressor/css.py" in output
  51.                     ret.append(subnode.output(*args, **kwargs))
File "/home/username/env/lib/python2.7/site-packages/compressor/css.py" in output
  53.         return super(CssCompressor, self).output(*args, **kwargs)
File "/home/username/env/lib/python2.7/site-packages/compressor/base.py" in output
  246.         content = self.filter_input(forced)
File "/home/username/env/lib/python2.7/site-packages/compressor/base.py" in filter_input
  194.         for hunk in self.hunks(forced):
File "/home/username/env/lib/python2.7/site-packages/compressor/base.py" in hunks
  169.                 precompiled, value = self.precompile(value, **options)
File "/home/username/env/lib/python2.7/site-packages/compressor/base.py" in precompile
  226.                                 **kwargs)
File "/home/username/env/lib/python2.7/site-packages/django_libsass.py" in input
  51.             return compile(filename=self.filename)
File "/home/username/env/lib/python2.7/site-packages/django_libsass.py" in compile
  41.     return sass.compile(**kwargs)

Exception Type: AttributeError at /admin/login/
Exception Value: 'module' object has no attribute 'compile'

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Answer 1

gas*_*man 7

(根据要求将我的评论作为答案重新发布......)

原始错误: django_libsass.SassCompiler: command not found

意味着它无法导入django-libsass库.(django-compressor通过尝试将其视为shell命令来响应该失败 - django_libsass不是runnable命令,所以这也失败了,给出了实际的错误.)解决方案是确保安装了django-libsass - 它应该出现在输出中pip freeze.

第二个错误: 'module' object has no attribute 'compile'

意味着安装了另一个软件包,它定义了一个名为的模块sass,并且从libsass软件包中加载了这个软件代替了我们想要的模块.解决方案是卸载除django-libsass和libsass之外的所有与sass相关的包.

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