import gluon.template
from gluon.fileutils import open_file

markmin_dict = dict(
    code_python=lambda code: str(CODE(code)),
    template=lambda
    code: gluon.template.render(code, context=globals()),
    sup=lambda
    code: '<sup style="font-size:0.5em;">%s</sup>' % code,
    br=lambda n: '<br>' * int(n),
    groupdates=lambda group: group_feed_reader(group),
)


def get_content(b=None,
                c=request.controller,
                f=request.function,
                l='en',
                format='markmin'):
    """Gets and renders the file in
    <app>/private/content/<lang>/<controller>/<function>/<block>.<format>
    """

    def openfile():
        import os
        path = os.path.join(
            request.folder, 'private', 'content', l, c, f, b + '.' + format)
        return open_file(path, mode='r')

    try:
        openedfile = openfile()
    except (Exception, IOError):
        l = 'en'
        openedfile = openfile()

    if format == 'markmin':
        html = MARKMIN(str(T(openedfile.read())), markmin_dict)
    else:
        html = str(T(openedfile.read()))
    openedfile.close()

    return html