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Questions tagged [iterparse]

iterparse is used by XML parsers for tracking changes to the tree while it is being built

This tag is used in an XML parsing code. Usually iterparse builds a tree when parsing the XML. Also you can safely rearrange or remove parts of the tree while parsing.

See also:

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How can I remove XML parts with iterparse with parents included using ElementTree in Python?

I have multiple large files that I need to import and iterate through them - all of them are xmls and have the same tree structure. The structure is something like this with some extra text apart from the ID so under the Start there are more…
Anna Semjén
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Tag unrecognized during iterparsing using lxml

I have a really weird problem with lxml, I try to parse my xml file with iterparse as follow: for event, elem in etree.iterparse(input_file, events=('start', 'end')): if elem.tag == 'tuv' and event == 'start': if…
Valentin Macé
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Iterparse big XML, with low memory footprint, and get all, even nested, Sequence Elements

I have written a small python script to parse XML data based on Liza Daly's blog in Python. However, my code does not parse all the nodes. So for example when a person has had multiple addresses then it takes only the first available address. The…
mrPy
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Python XML Iterparse halt on text

I am new to python, using 3.x, and am running into an issue with an XML file that I'm testing/learning on. When I look at the raw file (which is ASCII encoded btw), the issue (I'm pretty sure) is that there's a U+00A0 code in there. The XML is as…
D W
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ElementTree interparse issue with getchildren()

I found a case that a specific (however correct) XML structure may affect iterparse function. import xml.etree.ElementTree as ET print('Parse') tree = ET.parse('file') pdml = tree.getroot() for packet in pdml: for proto in packet: if…
Adam Fire
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lxml.iterparse: Unused variable 'event' (unused-variable)

It was used lxml.iterparse and the code was checked with Pylint. I want to write the code without unused variable "event". How can I do this? context = etree.iterparse(StringIO(xml)) for event, elem in context: print(elem.tag)
Elena
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iterparse in ElementTree eating memory

I have written the following code to read XML/OSM data on Toronto from Open Street Map and get a list of all the postcodes. import xml.etree.ElementTree as ET from xml.etree.ElementTree import iterparse file = 'sample_map.osm' for event, elem in…
chhibbz
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How to find the starting element name in xml using iterparse

I have the following sample xml
sameer karjatkar
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Python XML iterparse() namespacing

According to this post, I successfully can parse my XML file, and reading it's content. However, if I add namespace to it, the whole thing goes wrong. Let's consider the following XML: …
pkovzz
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How to change encoding of printed xml data and still strip namespaces?

I need to retrieve a lot of information from multiple xml files. I'm trying to make a webscraper, but I have problems with the encoding while still stripping all the namespaces (see code). The content of the xml files is written in danish and…
Thomas Perkov
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using underscore "_" in python iterparse

new to Python iterparse, what is the meaning of the underscore "_" in iterparse? for example: for _, element in ET.iterparse(file_in):
bignano
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Why are some elements of this OpenStreetMap tree being skipped by iterparse?

I have an OSM file that captures a small neighborhood. http://pastebin.com/xeWJsPeY I have Python code that does a lot of extra parsing, but an example of the main problem can be seen here: import xml.etree.cElementTree as CET osmfile =…
Max Candocia
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Python: how to update the xml and save to a new xml file, with iterparse method reading and updating?

I'm able to print it out to the console, and it is the way I want it, but I can't seem to grasp on how to save it. The XML from the sample doesn't change. I'm using fairly big XML files and the iterparse function, as I believe is crucial. My…
n0win0u
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xml parsing not working correctly

I have an XML file of the structure as follows
text1 text2 text3
I used iterparser for parsing. But its not printing the data correctly. I am adding code here. from…
user3715935
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python lxml iterparse fails on large files containing namespaces

I'm tryint to parse large file (>100mb) as described at http://effbot.org/zone/element-iterparse.htm#incremental-parsing But if file contains namespaces, lxml fails with error lxml.etree.XMLSyntaxError: Namespace default prefix was not found It…
vitalii
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