U PN^ @sddlZddlmZddlmZddlmZddlm Z m Z ddl m Z Gdd d eZGd d d e Z e ZGd d d eZeZdS)N)Iterable) FileStorage) FileField) DataRequiredStopValidation)FlaskWTFDeprecationWarningc@s eZdZdZddZddZdS)rz=Werkzeug-aware subclass of :class:`wtforms.fields.FileField`.cCs2dd|D}t|d}|dk r(||_nd|_dS)Ncss |]}t|tr|r|VqdSN) isinstancer.0xr5/tmp/pip-install-o1yuzyg2/flask-wtf/flask_wtf/file.py s z-FileField.process_formdata..r)nextdataraw_data)selfZ valuelistrrrrprocess_formdatas  zFileField.process_formdatacCsttdt|jS)aReturn ``True`` if ``self.data`` is a :class:`~werkzeug.datastructures.FileStorage` object. .. deprecated:: 0.14.1 ``data`` is no longer set if the input is not a non-empty ``FileStorage``. Check ``form.data is not None`` instead. zc"has_file" is deprecated and will be removed in 1.0. The data is checked during processing instead.)warningswarnrboolr)rrrrhas_files zFileField.has_fileN)__name__ __module__ __qualname____doc__rrrrrrr s rc@seZdZdZddZdS) FileRequiredzValidates that the data is a Werkzeug :class:`~werkzeug.datastructures.FileStorage` object. :param message: error message You can also use the synonym ``file_required``. cCs:t|jtr|js6|jdkr(|d}n|j}t|dS)NzThis field is required.)r rrmessagegettextr)rformfieldrrrr__call__0s   zFileRequired.__call__N)rrrrr#rrrrr'src@s"eZdZdZdddZddZdS) FileAllowedaAValidates that the uploaded file is allowed by a given list of extensions or a Flask-Uploads :class:`~flaskext.uploads.UploadSet`. :param upload_set: A list of extensions or an :class:`~flaskext.uploads.UploadSet` :param message: error message You can also use the synonym ``file_allowed``. NcCs||_||_dSr ) upload_setr)rr%rrrr__init__GszFileAllowed.__init__cst|jtr|jsdS|jjt|jtrntfdd|jDrJdSt|j pj| dj d |jd|j |jst|j p| ddS)Nc3s|]}d|VqdS).N)endswithr filenamerrrRsz'FileAllowed.__call__..z6File does not have an approved extension: {extensions}z, ) extensionsz)File does not have an approved extension.)r rrr*lowerr%ranyrrr formatjoin file_allowed)rr!r"rr)rr#Ks     zFileAllowed.__call__)N)rrrrr&r#rrrrr$<s r$)r collectionsrZwerkzeug.datastructuresrZwtformsrZ _FileFieldZwtforms.validatorsrr_compatrrZ file_requiredobjectr$r0rrrrs    "