Re: [Jython-users] XML file remove <car> sibling using elementTree and jython

[Randall W. <ran...@al...>]

Ask on the JMRI user’s group (https://groups.io/g/jmriusers <https://groups.io/g/jmriusers>); you probably want to use the JMRI APIs to find and delete the car instead of directly manipulating the XML content.

> On 01-Nov-2020, at 07:44, James Kelly <jwk...@gm...> wrote:
> 
> Win-10, Java 1.8, current JMRI version, NetBeans IDE, Jython, elementTree
> I'm pulling elements from OperationsCarRoster.xml and want to delete some siblings. Since all siblings have the same name <car> how can I select and delete a specific car using attributes?
> for example how do I use elementTree Remove(subelement) to delete a car with id="MILW1001" 
> 
> i'm using Jython (Python) on Win-10 and elementTree
> here's all the code as I have it right now.
> 
> import xml.etree.ElementTree as ET
> def __init__(self):
>             #def open_car_xml_file():
>             global trainTree
>             global trainRoot
>             trainTree = ET.parse('train.xml')
>             trainRoot = trainTree.getroot()
>             #self.add_train_rfid_tags()
>             print trainRoot
> 
> def drop_car(self, car, engine, location):
>         for elem in trainRoot:
>             for subelem in elem.findall('car'):
>                 indentifier = str(subelem.get('engine', default=None))
>                 if indentifier == engine:
>                     indentifier2 = str(subelem.get('id', default=None))
>                     if indentifier2 == car:
>                         getDroppedCarData = [0,1,2,3,4,5,6,7]
>                         getDroppedCarData[0] = subelem.get('id', default=None)
>                         getDroppedCarData[1] = subelem.get('roadName', default=None)
>                         getDroppedCarData[2] = subelem.get('roadNumber', default=None)
>                         getDroppedCarData[3] = subelem.get('type', default=None)
>                         getDroppedCarData[4] = subelem.get('color', default=None)
>                         getDroppedCarData[5] = subelem.get('rfid', default=None)
>                         getDroppedCarData[6] = subelem.get('locationId', default=None)
>                         getDroppedCarData[7] = subelem.get('owner', default=None)
>                         (how do I using remove() to delete this record?
>  
>     return getDroppedCarData 
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