utils.py 文件源码

def render_to_temporary_file(template, context, request=None, mode='w+b',
                             bufsize=-1, suffix='.html', prefix='tmp',
                             dir=None, delete=True):
    if django.VERSION < (1, 8):
        # If using a version of Django prior to 1.8, ensure ``context`` is an
        # instance of ``Context``
        if not isinstance(context, Context):
            if request:
                context = RequestContext(request, context)
            else:
                context = Context(context)
        content = template.render(context)
    else:
        content = template.render(context, request)

    content = smart_text(content)
    content = make_absolute_paths(content)

    try:
        # Python3 has 'buffering' arg instead of 'bufsize'
        tempfile = NamedTemporaryFile(mode=mode, buffering=bufsize,
                                      suffix=suffix, prefix=prefix,
                                      dir=dir, delete=delete)
    except TypeError:
        tempfile = NamedTemporaryFile(mode=mode, bufsize=bufsize,
                                      suffix=suffix, prefix=prefix,
                                      dir=dir, delete=delete)

    try:
        tempfile.write(content.encode('utf-8'))
        tempfile.flush()
        return tempfile
    except:
        # Clean-up tempfile if an Exception is raised.
        tempfile.close()
        raise