SOLVED:
I re-wrote a little bit of code and rather than return the element parent
which was causing the strange missing node issues. Instead I iterated
through the attributes and then just returned the element in question:
def verifyUnitElement(element): childBlock = element.getchildren() if
len(childBlock) < 5: print 'Bad block loading' for child in childBlock:
childAttribs = child.attrib path = [childAttribs.get(i) for i in
childAttribs if 'path/' in childAttribs.get(i)] if len(path) > 0: return
childBlock, path
On Monday, 5 October 2015 11:57:23 UTC+2, Benjam901 wrote:
>
> Hello all,
>
> I am having some strange a curious behaviour with lxml.
>
> I am using iterparse to run through xml files. I am finding a certain
> parameter in each line and then getting using getparent to be able to run
> through each element of the block that I want.
>
> The only issue is that when I do this, one or two elements will not return
> the correct number of children. i.e. I use getparent and instead of
> returning an element block with 5 children it will return 2 or 3.
>
> I have dug around the net and seen that it could be something to do with
> not clearing the memory of each element. So I implemented these methods to
> try and alleviate this but no dice.
>
> Has anyone come across this issue before?
>
> Code is below:
>
> for root, dirs, files in os.walk(levelDir):
> exceptions = ['mission', 'continent', 'editor_only', 'lights']
> for d in dirs:
> continentFiles = glob.glob(os.path.join(root, d)+'\*.continent')
> for cf in continentFiles:
> # Using ntpath to get the basename of the file
> baseFileName = ntpath.basename(cf).split('.')[0]
> if baseFileName in exceptions:
> continue
> else:
> # Need to run through the elements of tag type
> entry
> for event, element in ET.iterparse(cf,
> events=('end',), tag="entry"):
> attribs = element.attrib
> block, path =
> verifyUnitElement(element, attribs)
> if block == '':
> continue
>
> # TODO: Debug and fix this, not loading
> blocks with correct number of elements???!!!!
> if len(block.getchildren()) < 5:
> print 'Bad block loading',
> path[0], cf.split('/')[-1], block.sourceline
> continue
>
> tempDict = returnPositionValues(block,
> path[0], 'name_id')
> unitInfo.update(tempDict)
> element.clear()
>
> # New addition to help clear memory
> for ancestor in
> element.xpath('ancestor-or-self::*'):
> while ancestor.getprevious() is
> not None:
> del
> ancestor.getparent()[0]
>
>
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