Serge NOEL
30 lines
986 B
Python
30 lines
986 B
Python
# This is sample code to read an XML file from the JMRI
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# distribution. It reads the decoderIndex.xml file, because
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# we know that one is always there.
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# Bob Jacobsen (C) 2019
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import org.jdom2
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from jmri.jmrit import XmlFile
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class myXmlFile(XmlFile) : # XmlFile is abstract
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def nullMethod() :
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return
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# get the base of the document
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rootElement = myXmlFile().rootFromName("xml/decoderIndex.xml")
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# get an element within that
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next = rootElement.getChild("decoderIndex")
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# and check an attribute from that
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version = next.getAttributeValue("version")
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if (int(version) < 900 ) :
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AssertionError('Did not expect a small version number: '+version)
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# iterate over the next level, the <mfgList> of <manufacturer> elements, checking for a particular value
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for child in next.getChild("mfgList").getChildren() :
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if (child.getAttributeValue("mfg") == "JMRI") :
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if (child.getAttributeValue("mfgID") != "18") :
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AssertionError('Expected JMRI to be 18')
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