o [h.@sddlZzddlmZWneyddlmZYnwddlmZmZmZddl m Z dZ Gddde Z Gdd d eZGd d d eee ZdS) N) OrderedDict)with_metaclass iteritems itervalues) DefaultMeta)BaseFormFormc@seZdZdZdefddZddZddZd d Zd d Z d dZ ddZ ddZ dddZ dddZeddZeddZdS)rzy Base Form Class. 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Nr$r%rrr __delitem__Fs zBaseForm.__delitem__cCs |j|S)a1 .. deprecated:: 2.0 `_get_translations` is being removed in WTForms 3.0, use `Meta.get_translations` instead. Override in subclasses to provide alternate translations factory. Must return an object that provides gettext() and ngettext() methods. )rZget_translationsr"rrrrJs zBaseForm._get_translationscCs$t|jD] \}}|||qdS)z Populates the attributes of the passed `obj` with data from the form's fields. :note: This is a destructive operation; Any attribute with the same name as a field will be overridden. Use with caution. 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N_ _formfieldcSs|dj|dfS)Nr)Zcreation_counter)xrrrsz#FormMeta.__call__..)keyMeta)rIdir startswithr2rappendsortrJ__mro____dict__rTrHr6__call__)rKargsr5rr rrLZ mro_classrrrr[s$         zFormMeta.__call__cCs<|dkrd|_n |dst|drd|_t|||dS)zV Add an attribute to the class, clearing `_unbound_fields` if needed. rTNrNrO)rJrVrrIrH __setattr__)rKr r,rrrr]s zFormMeta.__setattr__cCs |dsd|_t||dS)zc Remove an attribute from the class, clearing `_unbound_fields` if needed. rNN)rVrIrH __delattr__)rKr rrrr^s zFormMeta.__delattr__N)rBrCrDrEr r[r]r^rrrrrGs   rGcsPeZdZdZeZdfdd ZddZdd Zfd d Z dfd d Z Z S)rz Declarative Form base class. Extends BaseForm's core behaviour allowing fields to be defined on Form subclasses as class attributes. In addition, form and instance input data are taken at construction time and passed to `process()`. Nr c  sx|}|durt|tr||tt|j|j||dt|j D] \}} t ||| q#|j ||fd|i|dS)a :param formdata: Used to pass data coming from the enduser, usually `request.POST` or equivalent. formdata should be some sort of request-data wrapper which can get multiple parameters from the form input, and values are unicode strings, e.g. a Werkzeug/Django/WebOb MultiDict :param obj: If `formdata` is empty or not provided, this object is checked for attributes matching form field names, which will be used for field values. :param prefix: If provided, all fields will have their name prefixed with the value. :param data: Accept a dictionary of data. This is only used if `formdata` and `obj` are not present. :param meta: If provided, this is a dictionary of values to override attributes on this form's meta instance. :param `**kwargs`: If `formdata` is empty or not provided and `obj` does not contain an attribute named the same as a field, form will assign the value of a matching keyword argument to the field, if one exists. N)rrr4) rJ isinstancerZ update_valuessuperrr rIrrsetattrr1) rr3r0rr4rr5Zmeta_objr r __class__rrr s z Form.__init__cCstd)Nz8Fields may not be added to Form instances, only classes.) TypeErrorr+rrrr-szForm.__setitem__cCs|j|=t||ddSr;)rrar%rrrr.szForm.__delitem__cs\||jvr ||dSt|j|d}|dur$t|dr$t||ddStt||dS)NrO) rr.r2rcrrar`rr^)rr rrbrrr^s zForm.__delattr__cs^|dur |}ni}|jD]}t|jd|d}|dur&||g|qtt||S)aValidate the form by calling ``validate`` on each field. Returns ``True`` if validation passes. 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