New submission from ed wolf :
When executing the following command after modifiy an xml file an error is
prodcued.
import xml.etree.ElementTree as ET
rtexmlFile = 'Fox_CM3550A_SWP1_Rte_ecuc.arxml'
rte_ecu_tree = ET.parse(rtexmlFile)
root = rte_ecu_tree.getroot()
rte_ecu_tree.write(rtexmlFile, encoding="UTF-8", xml_declaration="True",
default_namespace="None" method="xml",short_empty_elements="True" )
ValueError: cannot use non-qualified names with default_namespace option
The documentation for the ElementTree.write function indicates the following
format for this command but this format does not seem to wrok
The write command does not also take into account when having standalone in the
xml defintion. For ex,
ElementTree.write will not add standalone back to the xml file
Is this a bug in version 3.7?
write(file, encoding="us-ascii", xml_declaration=None, default_namespace=None,
method="xml", *, short_empty_elements=True)
Writes the element tree to a file, as XML. file is a file name, or a file
object opened for writing. encoding 1 is the output encoding (default is
US-ASCII). xml_declaration controls if an XML declaration should be added to
the file. Use False for never, True for always, None for only if not US-ASCII
or UTF-8 or Unicode (default is None). default_namespace sets the default XML
namespace (for “xmlns”). method is either "xml", "html" or "text" (default is
"xml"). The keyword-only short_empty_elements parameter controls the formatting
of elements that contain no content. If True (the default), they are emitted as
a single self-closed tag, otherwise they are emitted as a pair of start/end
tags.
The output is either a string (str) or binary (bytes). This is controlled by
the encoding argument. If encoding is "unicode", the output is a string;
otherwise, it’s binary. Note that this may conflict with the type of file if
it’s an open file object; make sure you do not try to write a string to a
binary stream and vice versa.
--
assignee: docs@python
components: Documentation
messages: 402981
nosy: docs@python, twowolfs
priority: normal
severity: normal
status: open
title: Issue with xml.tree.ElementTree.write
type: performance
versions: Python 3.7
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<https://bugs.python.org/issue45336>
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