Parsing XML Using XPATH for Python
Uzoma Ojemeni
uojemeni at gmail.com
Sat Dec 6 05:57:52 EST 2014
On Tuesday, December 2, 2014 11:52:37 PM UTC+1, John Gordon wrote:
> In <a1a70942-6740-4de5-b41e-57a71fb36910 at googlegroups.com> Uzoma Ojemeni <uojemeni at gmail.com> writes:
>
> > I am new to Python - a few days old - and I would appreciate some help.
>
> > I want write a python code to parse the below XML as below:-
>
> > ServingCell----------NeighbourCell
> > L41_NBR3347_1----------L41_NBR3347_2
> > L41_NBR3347_1----------L41_NBR3347_3
> > L41_NBR3347_1----------L41_NBR3349_1
> > L41_NBR3347_1----------L41_NBREA2242_1
>
> > <LteCell id="L41_NBR3347_1">
> > <attributes>
> > <absPatternInfoTdd><unset/></absPatternInfoTdd>
> > <additionalSpectrumEmission>1</additionalSpectrumEmission>
> > <additionalSpectrumEmissionList><unset/></additionalSpectrumEmissionList>
> > <LteSpeedDependentConf id="0">
> > <attributes>
> > <tReselectionEutraSfHigh>lDot0</tReselectionEut
> > <tReselectionEutraSfMedium>lDot0</tReselectionE
> > </attributes>
> > </LteSpeedDependentConf>
> > <LteNeighboringCellRelation id="L41_NBR3347_2">
> > <attributes>
> > <absPatternInfo><unset/></absPatternInfo>
> > </LteNeighboringCellRelation>
> > <LteNeighboringCellRelation id="L41_NBR3347_3">
> > <attributes>
> > <absPatternInfo><unset/></absPatternInfo>
> > </LteNeighboringCellRelation>
> > <LteNeighboringCellRelation id="L41_NBR3349_1">
> > <attributes>
> > <absPatternInfo><unset/></absPatternInfo>
> > </LteNeighboringCellRelation>
> > <LteNeighboringCellRelation id="L41_NBREA2242_1">
> > <attributes>
> > <absPatternInfo><unset/></absPatternInfo>
> > <absPatternInfoTdd><unset/></absPatternInfoTdd>
>
> In plain English, it looks like you want to do this:
>
> 1. Print a header.
> 2. For each <LteCell> element:
> 3. Find the child <attributes> element.
> 4. For each child <LteNeighboringCellRelation> element:
> 5. Print the "id" attributes of the <LteCell> element and the
> <LteNeighboringCellRelation> element.
>
> Translated to python, that would look something like this:
>
> # import the xml library code
> import xml.etree.ElementTree as ET
>
> # load your XML file
> tree = ET.parse('cells.xml')
>
> # get the root element
> root = tree.getroot()
>
> # print a header
> print("ServingCell------NeighbourCell")
>
> # find each <LteCell> child element
> for serving_cell in root.findall('LteCell'):
>
> # find the <attributes> child element
> attributes = serving_cell.find('attributes')
>
> # find each <LteNeighboringCellRelation> child element
> for neighbor in attributes.findall('LteNeighboringCellRelation'):
>
> # print the id's of the serving and neighbor cells
> print("%s------%s" % (serving_cell.attrib['id'], neighbor.attrib['id']))
>
> --
> John Gordon Imagine what it must be like for a real medical doctor to
> gordon at panix.com watch 'House', or a real serial killer to watch 'Dexter'.
Thank you Guys. I will implement and feedback if i find any problems.
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