o DfF@sPddlZddlmZddlmZddlmZddlmZdZGd d d eZ dS) N)widgets)Field) UnboundField) unset_value) FieldListcseZdZdZeZ      dfdd Zedfdd Z d d Z dd d Z ddZ dedfddZ efddZddZddZddZddZeddZZS) ra/ Encapsulate an ordered list of multiple instances of the same field type, keeping data as a list. >>> authors = FieldList(StringField('Name', [validators.DataRequired()])) :param unbound_field: A partially-instantiated field definition, just like that would be defined on a form directly. :param min_entries: if provided, always have at least this many entries on the field, creating blank ones if the provided input does not specify a sufficient amount. :param max_entries: accept no more than this many entries as input, even if more exist in formdata. :param separator: A string which will be suffixed to this field's name to create the prefix to enclosed list entries. The default is fine for most uses. Nr-c  sztj||fd|i||jrtdt|tsJd||_||_||_d|_ | dd|_ ||_ |j dd|_dS) NdefaultRFieldList does not accept any filters. Instead, define them on the enclosed field.z(Field must be unbound, not a field class_prefix separatorr )super__init__filters TypeError isinstancer unbound_field min_entries max_entries last_indexgetr _separatorkwargs_field_separator) selfrlabel validatorsrrrr r __class__r L/home/ubuntu/webapp/venv/lib/python3.10/site-packages/wtforms/fields/list.pyr#s" zFieldList.__init__c Cs|rtdg|_|tus|s"z|}Wn ty!|j}Ynw||_|r`tt||j|}|j r<|d|j }t |}|D]}zt |}Wn t yUt}Ynw|j |||dqBn |D]}| ||qbt|j|jkr| |t|j|jkssdSdS)Nr )index)rentriesrr object_datasortedset_extract_indicesnameriternext StopIteration _add_entrylenr)rformdatadata extra_filtersindicesidatar$obj_datar r r#process?s<       zFieldList.processccsRt|d}|D]}||r&||d|jdd}|r&t|Vq dS)a& Yield indices of any keys with given prefix. formdata must be an object which will produce keys when iterated. For example, if field 'foo' contains keys 'foo-0-bar', 'foo-1-baz', then the numbers 0 and 1 will be yielded, but not necessarily in order. rNr)r/ startswithsplitrisdigitint)rprefixr0offsetkr r r#r)bs   zFieldList._extract_indicescCslg|_|jD]}|||j|jqtdd|jDs"g|_t|j|}|||t |jdkS)z Validate this FieldList. Note that FieldList validation differs from normal field validation in that FieldList validates all its enclosed fields first before running any of its own validators. css|]}|VqdSNr ).0xr r r# sz%FieldList.validate..r) errorsr%validateappendany itertoolschainr _run_validation_chainr/)rformextra_validatorssubfieldrGr r r#rCqs   zFieldList.validatec Cst||d}zt|}Wn tytg}Ynwt|td}tdtfi}g}t|j |D]\}} |} | | _ | | d| | j q2t |||dS)N_faker1)getattrr+rrFrGrepeattypeobjectzipr%r1 populate_objrDsetattr) robjr*valuesivalues candidatesrLoutputfieldr1fake_objr r r#rRs     zFieldList.populate_objcCs|jrt|j|jksJd|dur|jd}||_|j|j|}|j|j|}|jjd||j ||j |j d}| |||j ||S)Nz?You cannot have more than max_entries entries in this FieldListr)rIr*r;id_meta translations)rr/r%r short_namerr[rbindrmeta _translationsr6rD)rr0r1r$r*r[rYr r r#r.s*   zFieldList._add_entrycCs |j|dS)z Create a new entry with optional default data. Entries added in this way will *not* receive formdata however, and can only receive object data. r1)r.)rr1r r r# append_entrys zFieldList.append_entrycCs|j}|jd8_|S)z4Removes the last entry from the list and returns it.r)r%popr)rentryr r r# pop_entrys zFieldList.pop_entrycC t|jSr>)r+r%rr r r#__iter__ zFieldList.__iter__cCrgr>)r/r%rhr r r#__len__rjzFieldList.__len__cCs |j|Sr>r%)rr$r r r# __getitem__rjzFieldList.__getitem__cCsdd|jDS)NcSsg|]}|jqSr rb)r?fr r r# sz"FieldList.data..rlrhr r r#r1szFieldList.data)NNrNr r )r )__name__ __module__ __qualname____doc__r ListWidgetwidgetrrr6r)rCrRr.rcrfrirkrmpropertyr1 __classcell__r r r!r#r s,#   r) rFrrcorerr wtforms.utilsr__all__rr r r r#s