silica.py 文件源码

def angular_model(model, angular_model_name, extra_params={}):
    """ Returns javascript that preprocesses obj before attaching it to window
        where angular controller can grab it """
    ret = "<script>\n"
    if model is None:
        ret += "window.%s = {};\n" % (angular_model_name)
    else:
        # cast foreign key and m2m fields to be strings
        json_ret = model.to_json()
        model_dict = json.loads(json_ret)
        fk_fields = model.get_foreign_key_fields()
        m2m_fields = model.get_many_to_many_fields()
        for field, val in model_dict["fields"].iteritems():
            if field in fk_fields:
                model_dict["fields"][field] = str(val)
            if field in m2m_fields:
                model_dict["fields"][field] = map(str, val)
        ret += "window.%s = %s;\n" % (angular_model_name, json.dumps(model_dict, sort_keys=True))
        # adds converter for datetime fields
        for field in model.READABLE_ATTRS(type_filter=models.DateField):
            # DateTimeFields are instances of DateFields
            ret += ("window.%s.fields.%s = new Date(window.%s.fields.%s);\n" %
                    (angular_model_name, field, angular_model_name, field))
    # date_fields = model.WRITEABLE_ATTRS(type_filter=models.DateField, type_exclude=models.DateTimeField)
    # date_fields = json.dumps(date_fields)
    # ret += "window.%s.date_fields = %s" % (angular_model_name, date_fields)
    ret += "</script>\n"
    return mark_safe(ret)