2462 lines
73 KiB
Python
2462 lines
73 KiB
Python
# xml.etree test. This file contains enough tests to make sure that
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# all included components work as they should.
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# Large parts are extracted from the upstream test suite.
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#
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# PLEASE write all new tests using the standard unittest infrastructure and
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# not doctest.
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#
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# IMPORTANT: the same tests are run from "test_xml_etree_c" in order
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# to ensure consistency between the C implementation and the Python
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# implementation.
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#
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# For this purpose, the module-level "ET" symbol is temporarily
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# monkey-patched when running the "test_xml_etree_c" test suite.
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# Don't re-import "xml.etree.ElementTree" module in the docstring,
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# except if the test is specific to the Python implementation.
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import html
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import io
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import sys
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import unittest
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import weakref
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from test import support
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from test.support import TESTFN, findfile, unlink, import_fresh_module, gc_collect
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pyET = None
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ET = None
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SIMPLE_XMLFILE = findfile("simple.xml", subdir="xmltestdata")
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try:
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SIMPLE_XMLFILE.encode("utf-8")
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except UnicodeEncodeError:
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raise unittest.SkipTest("filename is not encodable to utf8")
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SIMPLE_NS_XMLFILE = findfile("simple-ns.xml", subdir="xmltestdata")
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SAMPLE_XML = """\
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<body>
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<tag class='a'>text</tag>
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<tag class='b' />
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<section>
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<tag class='b' id='inner'>subtext</tag>
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</section>
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</body>
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"""
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SAMPLE_SECTION = """\
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<section>
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<tag class='b' id='inner'>subtext</tag>
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<nexttag />
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<nextsection>
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<tag />
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</nextsection>
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</section>
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"""
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SAMPLE_XML_NS = """
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<body xmlns="http://effbot.org/ns">
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<tag>text</tag>
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<tag />
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<section>
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<tag>subtext</tag>
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</section>
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</body>
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"""
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SAMPLE_XML_NS_ELEMS = """
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<root>
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<h:table xmlns:h="hello">
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<h:tr>
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<h:td>Apples</h:td>
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<h:td>Bananas</h:td>
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</h:tr>
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</h:table>
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<f:table xmlns:f="foo">
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<f:name>African Coffee Table</f:name>
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<f:width>80</f:width>
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<f:length>120</f:length>
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</f:table>
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</root>
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"""
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def sanity():
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"""
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Import sanity.
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>>> from xml.etree import ElementTree
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>>> from xml.etree import ElementInclude
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>>> from xml.etree import ElementPath
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"""
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def check_method(method):
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if not hasattr(method, '__call__'):
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print(method, "not callable")
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def serialize(elem, to_string=True, encoding='unicode', **options):
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import io
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if encoding != 'unicode':
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file = io.BytesIO()
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else:
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file = io.StringIO()
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tree = ET.ElementTree(elem)
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tree.write(file, encoding=encoding, **options)
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if to_string:
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return file.getvalue()
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else:
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file.seek(0)
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return file
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def summarize(elem):
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if elem.tag == ET.Comment:
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return "<Comment>"
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return elem.tag
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def summarize_list(seq):
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return [summarize(elem) for elem in seq]
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def normalize_crlf(tree):
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for elem in tree.iter():
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if elem.text:
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elem.text = elem.text.replace("\r\n", "\n")
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if elem.tail:
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elem.tail = elem.tail.replace("\r\n", "\n")
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def normalize_exception(func, *args, **kwargs):
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# Ignore the exception __module__
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try:
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func(*args, **kwargs)
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except Exception as err:
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print("Traceback (most recent call last):")
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print("{}: {}".format(err.__class__.__name__, err))
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def check_string(string):
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len(string)
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for char in string:
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if len(char) != 1:
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print("expected one-character string, got %r" % char)
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new_string = string + ""
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new_string = string + " "
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string[:0]
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def check_mapping(mapping):
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len(mapping)
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keys = mapping.keys()
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items = mapping.items()
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for key in keys:
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item = mapping[key]
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mapping["key"] = "value"
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if mapping["key"] != "value":
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print("expected value string, got %r" % mapping["key"])
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def check_element(element):
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if not ET.iselement(element):
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print("not an element")
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if not hasattr(element, "tag"):
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print("no tag member")
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if not hasattr(element, "attrib"):
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print("no attrib member")
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if not hasattr(element, "text"):
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print("no text member")
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if not hasattr(element, "tail"):
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print("no tail member")
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check_string(element.tag)
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check_mapping(element.attrib)
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if element.text is not None:
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check_string(element.text)
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if element.tail is not None:
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check_string(element.tail)
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for elem in element:
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check_element(elem)
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# --------------------------------------------------------------------
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# element tree tests
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def interface():
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"""
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Test element tree interface.
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>>> element = ET.Element("tag")
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>>> check_element(element)
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>>> tree = ET.ElementTree(element)
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>>> check_element(tree.getroot())
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>>> element = ET.Element("t\\xe4g", key="value")
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>>> tree = ET.ElementTree(element)
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>>> repr(element) # doctest: +ELLIPSIS
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"<Element 't\\xe4g' at 0x...>"
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>>> element = ET.Element("tag", key="value")
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Make sure all standard element methods exist.
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>>> check_method(element.append)
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>>> check_method(element.extend)
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>>> check_method(element.insert)
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>>> check_method(element.remove)
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>>> check_method(element.getchildren)
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>>> check_method(element.find)
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>>> check_method(element.iterfind)
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>>> check_method(element.findall)
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>>> check_method(element.findtext)
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>>> check_method(element.clear)
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>>> check_method(element.get)
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>>> check_method(element.set)
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>>> check_method(element.keys)
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>>> check_method(element.items)
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>>> check_method(element.iter)
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>>> check_method(element.itertext)
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>>> check_method(element.getiterator)
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These methods return an iterable. See bug 6472.
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>>> check_method(element.iterfind("tag").__next__)
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>>> check_method(element.iterfind("*").__next__)
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>>> check_method(tree.iterfind("tag").__next__)
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>>> check_method(tree.iterfind("*").__next__)
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These aliases are provided:
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>>> assert ET.XML == ET.fromstring
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>>> assert ET.PI == ET.ProcessingInstruction
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>>> assert ET.XMLParser == ET.XMLTreeBuilder
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"""
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def simpleops():
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"""
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Basic method sanity checks.
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>>> elem = ET.XML("<body><tag/></body>")
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>>> serialize(elem)
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'<body><tag /></body>'
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>>> e = ET.Element("tag2")
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>>> elem.append(e)
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>>> serialize(elem)
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'<body><tag /><tag2 /></body>'
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>>> elem.remove(e)
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>>> serialize(elem)
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'<body><tag /></body>'
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>>> elem.insert(0, e)
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>>> serialize(elem)
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'<body><tag2 /><tag /></body>'
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>>> elem.remove(e)
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>>> elem.extend([e])
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>>> serialize(elem)
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'<body><tag /><tag2 /></body>'
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>>> elem.remove(e)
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>>> element = ET.Element("tag", key="value")
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>>> serialize(element) # 1
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'<tag key="value" />'
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>>> subelement = ET.Element("subtag")
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>>> element.append(subelement)
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>>> serialize(element) # 2
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'<tag key="value"><subtag /></tag>'
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>>> element.insert(0, subelement)
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>>> serialize(element) # 3
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'<tag key="value"><subtag /><subtag /></tag>'
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>>> element.remove(subelement)
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>>> serialize(element) # 4
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'<tag key="value"><subtag /></tag>'
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>>> element.remove(subelement)
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>>> serialize(element) # 5
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'<tag key="value" />'
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>>> element.remove(subelement)
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Traceback (most recent call last):
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ValueError: list.remove(x): x not in list
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>>> serialize(element) # 6
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'<tag key="value" />'
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>>> element[0:0] = [subelement, subelement, subelement]
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>>> serialize(element[1])
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'<subtag />'
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>>> element[1:9] == [element[1], element[2]]
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True
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>>> element[:9:2] == [element[0], element[2]]
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True
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>>> del element[1:2]
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>>> serialize(element)
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'<tag key="value"><subtag /><subtag /></tag>'
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"""
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def cdata():
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"""
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Test CDATA handling (etc).
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>>> serialize(ET.XML("<tag>hello</tag>"))
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'<tag>hello</tag>'
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>>> serialize(ET.XML("<tag>hello</tag>"))
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'<tag>hello</tag>'
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>>> serialize(ET.XML("<tag><![CDATA[hello]]></tag>"))
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'<tag>hello</tag>'
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"""
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def find():
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"""
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Test find methods (including xpath syntax).
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>>> elem = ET.XML(SAMPLE_XML)
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>>> elem.find("tag").tag
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'tag'
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>>> ET.ElementTree(elem).find("tag").tag
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'tag'
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>>> elem.find("section/tag").tag
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'tag'
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>>> elem.find("./tag").tag
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'tag'
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>>> ET.ElementTree(elem).find("./tag").tag
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'tag'
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>>> ET.ElementTree(elem).find("/tag").tag
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'tag'
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>>> elem[2] = ET.XML(SAMPLE_SECTION)
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>>> elem.find("section/nexttag").tag
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'nexttag'
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>>> ET.ElementTree(elem).find("section/tag").tag
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'tag'
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>>> ET.ElementTree(elem).find("tog")
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>>> ET.ElementTree(elem).find("tog/foo")
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>>> elem.findtext("tag")
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'text'
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>>> elem.findtext("section/nexttag")
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''
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>>> elem.findtext("section/nexttag", "default")
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''
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>>> elem.findtext("tog")
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>>> elem.findtext("tog", "default")
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'default'
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>>> ET.ElementTree(elem).findtext("tag")
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'text'
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>>> ET.ElementTree(elem).findtext("tog/foo")
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>>> ET.ElementTree(elem).findtext("tog/foo", "default")
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'default'
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>>> ET.ElementTree(elem).findtext("./tag")
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'text'
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>>> ET.ElementTree(elem).findtext("/tag")
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'text'
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>>> elem.findtext("section/tag")
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'subtext'
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>>> ET.ElementTree(elem).findtext("section/tag")
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'subtext'
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>>> summarize_list(elem.findall("."))
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['body']
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>>> summarize_list(elem.findall("tag"))
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['tag', 'tag']
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>>> summarize_list(elem.findall("tog"))
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[]
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>>> summarize_list(elem.findall("tog/foo"))
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[]
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>>> summarize_list(elem.findall("*"))
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['tag', 'tag', 'section']
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>>> summarize_list(elem.findall(".//tag"))
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['tag', 'tag', 'tag', 'tag']
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>>> summarize_list(elem.findall("section/tag"))
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['tag']
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>>> summarize_list(elem.findall("section//tag"))
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['tag', 'tag']
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>>> summarize_list(elem.findall("section/*"))
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['tag', 'nexttag', 'nextsection']
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>>> summarize_list(elem.findall("section//*"))
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['tag', 'nexttag', 'nextsection', 'tag']
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>>> summarize_list(elem.findall("section/.//*"))
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['tag', 'nexttag', 'nextsection', 'tag']
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>>> summarize_list(elem.findall("*/*"))
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['tag', 'nexttag', 'nextsection']
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>>> summarize_list(elem.findall("*//*"))
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['tag', 'nexttag', 'nextsection', 'tag']
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>>> summarize_list(elem.findall("*/tag"))
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['tag']
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>>> summarize_list(elem.findall("*/./tag"))
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['tag']
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>>> summarize_list(elem.findall("./tag"))
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['tag', 'tag']
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>>> summarize_list(elem.findall(".//tag"))
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['tag', 'tag', 'tag', 'tag']
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>>> summarize_list(elem.findall("././tag"))
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['tag', 'tag']
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>>> summarize_list(elem.findall(".//tag[@class]"))
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['tag', 'tag', 'tag']
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>>> summarize_list(elem.findall(".//tag[@class='a']"))
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['tag']
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>>> summarize_list(elem.findall(".//tag[@class='b']"))
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['tag', 'tag']
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>>> summarize_list(elem.findall(".//tag[@id]"))
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['tag']
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>>> summarize_list(elem.findall(".//section[tag]"))
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['section']
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>>> summarize_list(elem.findall(".//section[element]"))
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[]
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>>> summarize_list(elem.findall("../tag"))
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[]
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>>> summarize_list(elem.findall("section/../tag"))
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['tag', 'tag']
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>>> summarize_list(ET.ElementTree(elem).findall("./tag"))
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['tag', 'tag']
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Following example is invalid in 1.2.
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A leading '*' is assumed in 1.3.
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>>> elem.findall("section//") == elem.findall("section//*")
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True
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ET's Path module handles this case incorrectly; this gives
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a warning in 1.3, and the behaviour will be modified in 1.4.
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>>> summarize_list(ET.ElementTree(elem).findall("/tag"))
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['tag', 'tag']
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>>> elem = ET.XML(SAMPLE_XML_NS)
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>>> summarize_list(elem.findall("tag"))
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[]
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>>> summarize_list(elem.findall("{http://effbot.org/ns}tag"))
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['{http://effbot.org/ns}tag', '{http://effbot.org/ns}tag']
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>>> summarize_list(elem.findall(".//{http://effbot.org/ns}tag"))
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['{http://effbot.org/ns}tag', '{http://effbot.org/ns}tag', '{http://effbot.org/ns}tag']
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"""
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def file_init():
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"""
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>>> import io
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>>> stringfile = io.BytesIO(SAMPLE_XML.encode("utf-8"))
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>>> tree = ET.ElementTree(file=stringfile)
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>>> tree.find("tag").tag
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'tag'
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>>> tree.find("section/tag").tag
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'tag'
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>>> tree = ET.ElementTree(file=SIMPLE_XMLFILE)
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>>> tree.find("element").tag
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'element'
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>>> tree.find("element/../empty-element").tag
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'empty-element'
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"""
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def bad_find():
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"""
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Check bad or unsupported path expressions.
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>>> elem = ET.XML(SAMPLE_XML)
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>>> elem.findall("/tag")
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Traceback (most recent call last):
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SyntaxError: cannot use absolute path on element
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"""
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def path_cache():
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"""
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Check that the path cache behaves sanely.
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>>> from xml.etree import ElementPath
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>>> elem = ET.XML(SAMPLE_XML)
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>>> for i in range(10): ET.ElementTree(elem).find('./'+str(i))
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>>> cache_len_10 = len(ElementPath._cache)
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>>> for i in range(10): ET.ElementTree(elem).find('./'+str(i))
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>>> len(ElementPath._cache) == cache_len_10
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True
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>>> for i in range(20): ET.ElementTree(elem).find('./'+str(i))
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>>> len(ElementPath._cache) > cache_len_10
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True
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>>> for i in range(600): ET.ElementTree(elem).find('./'+str(i))
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>>> len(ElementPath._cache) < 500
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True
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"""
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def copy():
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"""
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Test copy handling (etc).
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>>> import copy
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>>> e1 = ET.XML("<tag>hello<foo/></tag>")
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>>> e2 = copy.copy(e1)
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>>> e3 = copy.deepcopy(e1)
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>>> e1.find("foo").tag = "bar"
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>>> serialize(e1)
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'<tag>hello<bar /></tag>'
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>>> serialize(e2)
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'<tag>hello<bar /></tag>'
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>>> serialize(e3)
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'<tag>hello<foo /></tag>'
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"""
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|
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def attrib():
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"""
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|
Test attribute handling.
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|
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>>> elem = ET.Element("tag")
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>>> elem.get("key") # 1.1
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>>> elem.get("key", "default") # 1.2
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'default'
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>>> elem.set("key", "value")
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>>> elem.get("key") # 1.3
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'value'
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>>> elem = ET.Element("tag", key="value")
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>>> elem.get("key") # 2.1
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'value'
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>>> elem.attrib # 2.2
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{'key': 'value'}
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>>> attrib = {"key": "value"}
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>>> elem = ET.Element("tag", attrib)
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>>> attrib.clear() # check for aliasing issues
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>>> elem.get("key") # 3.1
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'value'
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>>> elem.attrib # 3.2
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{'key': 'value'}
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>>> attrib = {"key": "value"}
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>>> elem = ET.Element("tag", **attrib)
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>>> attrib.clear() # check for aliasing issues
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>>> elem.get("key") # 4.1
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'value'
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>>> elem.attrib # 4.2
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{'key': 'value'}
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>>> elem = ET.Element("tag", {"key": "other"}, key="value")
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>>> elem.get("key") # 5.1
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'value'
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>>> elem.attrib # 5.2
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{'key': 'value'}
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>>> elem = ET.Element('test')
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>>> elem.text = "aa"
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>>> elem.set('testa', 'testval')
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>>> elem.set('testb', 'test2')
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>>> ET.tostring(elem)
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b'<test testa="testval" testb="test2">aa</test>'
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>>> sorted(elem.keys())
|
|
['testa', 'testb']
|
|
>>> sorted(elem.items())
|
|
[('testa', 'testval'), ('testb', 'test2')]
|
|
>>> elem.attrib['testb']
|
|
'test2'
|
|
>>> elem.attrib['testb'] = 'test1'
|
|
>>> elem.attrib['testc'] = 'test2'
|
|
>>> ET.tostring(elem)
|
|
b'<test testa="testval" testb="test1" testc="test2">aa</test>'
|
|
"""
|
|
|
|
def makeelement():
|
|
"""
|
|
Test makeelement handling.
|
|
|
|
>>> elem = ET.Element("tag")
|
|
>>> attrib = {"key": "value"}
|
|
>>> subelem = elem.makeelement("subtag", attrib)
|
|
>>> if subelem.attrib is attrib:
|
|
... print("attrib aliasing")
|
|
>>> elem.append(subelem)
|
|
>>> serialize(elem)
|
|
'<tag><subtag key="value" /></tag>'
|
|
|
|
>>> elem.clear()
|
|
>>> serialize(elem)
|
|
'<tag />'
|
|
>>> elem.append(subelem)
|
|
>>> serialize(elem)
|
|
'<tag><subtag key="value" /></tag>'
|
|
>>> elem.extend([subelem, subelem])
|
|
>>> serialize(elem)
|
|
'<tag><subtag key="value" /><subtag key="value" /><subtag key="value" /></tag>'
|
|
>>> elem[:] = [subelem]
|
|
>>> serialize(elem)
|
|
'<tag><subtag key="value" /></tag>'
|
|
>>> elem[:] = tuple([subelem])
|
|
>>> serialize(elem)
|
|
'<tag><subtag key="value" /></tag>'
|
|
|
|
"""
|
|
|
|
def parsefile():
|
|
"""
|
|
Test parsing from file.
|
|
|
|
>>> tree = ET.parse(SIMPLE_XMLFILE)
|
|
>>> normalize_crlf(tree)
|
|
>>> tree.write(sys.stdout, encoding='unicode')
|
|
<root>
|
|
<element key="value">text</element>
|
|
<element>text</element>tail
|
|
<empty-element />
|
|
</root>
|
|
>>> tree = ET.parse(SIMPLE_NS_XMLFILE)
|
|
>>> normalize_crlf(tree)
|
|
>>> tree.write(sys.stdout, encoding='unicode')
|
|
<ns0:root xmlns:ns0="namespace">
|
|
<ns0:element key="value">text</ns0:element>
|
|
<ns0:element>text</ns0:element>tail
|
|
<ns0:empty-element />
|
|
</ns0:root>
|
|
|
|
>>> with open(SIMPLE_XMLFILE) as f:
|
|
... data = f.read()
|
|
|
|
>>> parser = ET.XMLParser()
|
|
>>> parser.version # doctest: +ELLIPSIS
|
|
'Expat ...'
|
|
>>> parser.feed(data)
|
|
>>> print(serialize(parser.close()))
|
|
<root>
|
|
<element key="value">text</element>
|
|
<element>text</element>tail
|
|
<empty-element />
|
|
</root>
|
|
|
|
>>> parser = ET.XMLTreeBuilder() # 1.2 compatibility
|
|
>>> parser.feed(data)
|
|
>>> print(serialize(parser.close()))
|
|
<root>
|
|
<element key="value">text</element>
|
|
<element>text</element>tail
|
|
<empty-element />
|
|
</root>
|
|
|
|
>>> target = ET.TreeBuilder()
|
|
>>> parser = ET.XMLParser(target=target)
|
|
>>> parser.feed(data)
|
|
>>> print(serialize(parser.close()))
|
|
<root>
|
|
<element key="value">text</element>
|
|
<element>text</element>tail
|
|
<empty-element />
|
|
</root>
|
|
"""
|
|
|
|
def parseliteral():
|
|
"""
|
|
>>> element = ET.XML("<html><body>text</body></html>")
|
|
>>> ET.ElementTree(element).write(sys.stdout, encoding='unicode')
|
|
<html><body>text</body></html>
|
|
>>> element = ET.fromstring("<html><body>text</body></html>")
|
|
>>> ET.ElementTree(element).write(sys.stdout, encoding='unicode')
|
|
<html><body>text</body></html>
|
|
>>> sequence = ["<html><body>", "text</bo", "dy></html>"]
|
|
>>> element = ET.fromstringlist(sequence)
|
|
>>> ET.tostring(element)
|
|
b'<html><body>text</body></html>'
|
|
>>> b"".join(ET.tostringlist(element))
|
|
b'<html><body>text</body></html>'
|
|
>>> ET.tostring(element, "ascii")
|
|
b"<?xml version='1.0' encoding='ascii'?>\\n<html><body>text</body></html>"
|
|
>>> _, ids = ET.XMLID("<html><body>text</body></html>")
|
|
>>> len(ids)
|
|
0
|
|
>>> _, ids = ET.XMLID("<html><body id='body'>text</body></html>")
|
|
>>> len(ids)
|
|
1
|
|
>>> ids["body"].tag
|
|
'body'
|
|
"""
|
|
|
|
def iterparse():
|
|
"""
|
|
Test iterparse interface.
|
|
|
|
>>> iterparse = ET.iterparse
|
|
|
|
>>> context = iterparse(SIMPLE_XMLFILE)
|
|
>>> action, elem = next(context)
|
|
>>> print(action, elem.tag)
|
|
end element
|
|
>>> for action, elem in context:
|
|
... print(action, elem.tag)
|
|
end element
|
|
end empty-element
|
|
end root
|
|
>>> context.root.tag
|
|
'root'
|
|
|
|
>>> context = iterparse(SIMPLE_NS_XMLFILE)
|
|
>>> for action, elem in context:
|
|
... print(action, elem.tag)
|
|
end {namespace}element
|
|
end {namespace}element
|
|
end {namespace}empty-element
|
|
end {namespace}root
|
|
|
|
>>> events = ()
|
|
>>> context = iterparse(SIMPLE_XMLFILE, events)
|
|
>>> for action, elem in context:
|
|
... print(action, elem.tag)
|
|
|
|
>>> events = ()
|
|
>>> context = iterparse(SIMPLE_XMLFILE, events=events)
|
|
>>> for action, elem in context:
|
|
... print(action, elem.tag)
|
|
|
|
>>> events = ("start", "end")
|
|
>>> context = iterparse(SIMPLE_XMLFILE, events)
|
|
>>> for action, elem in context:
|
|
... print(action, elem.tag)
|
|
start root
|
|
start element
|
|
end element
|
|
start element
|
|
end element
|
|
start empty-element
|
|
end empty-element
|
|
end root
|
|
|
|
>>> events = ("start", "end", "start-ns", "end-ns")
|
|
>>> context = iterparse(SIMPLE_NS_XMLFILE, events)
|
|
>>> for action, elem in context:
|
|
... if action in ("start", "end"):
|
|
... print(action, elem.tag)
|
|
... else:
|
|
... print(action, elem)
|
|
start-ns ('', 'namespace')
|
|
start {namespace}root
|
|
start {namespace}element
|
|
end {namespace}element
|
|
start {namespace}element
|
|
end {namespace}element
|
|
start {namespace}empty-element
|
|
end {namespace}empty-element
|
|
end {namespace}root
|
|
end-ns None
|
|
|
|
>>> events = ("start", "end", "bogus")
|
|
>>> with open(SIMPLE_XMLFILE, "rb") as f:
|
|
... iterparse(f, events)
|
|
Traceback (most recent call last):
|
|
ValueError: unknown event 'bogus'
|
|
|
|
>>> import io
|
|
|
|
>>> source = io.BytesIO(
|
|
... b"<?xml version='1.0' encoding='iso-8859-1'?>\\n"
|
|
... b"<body xmlns='http://éffbot.org/ns'\\n"
|
|
... b" xmlns:cl\\xe9='http://effbot.org/ns'>text</body>\\n")
|
|
>>> events = ("start-ns",)
|
|
>>> context = iterparse(source, events)
|
|
>>> for action, elem in context:
|
|
... print(action, elem)
|
|
start-ns ('', 'http://\\xe9ffbot.org/ns')
|
|
start-ns ('cl\\xe9', 'http://effbot.org/ns')
|
|
|
|
>>> source = io.StringIO("<document />junk")
|
|
>>> try:
|
|
... for action, elem in iterparse(source):
|
|
... print(action, elem.tag)
|
|
... except ET.ParseError as v:
|
|
... print(v)
|
|
end document
|
|
junk after document element: line 1, column 12
|
|
"""
|
|
|
|
def writefile():
|
|
"""
|
|
>>> elem = ET.Element("tag")
|
|
>>> elem.text = "text"
|
|
>>> serialize(elem)
|
|
'<tag>text</tag>'
|
|
>>> ET.SubElement(elem, "subtag").text = "subtext"
|
|
>>> serialize(elem)
|
|
'<tag>text<subtag>subtext</subtag></tag>'
|
|
|
|
Test tag suppression
|
|
>>> elem.tag = None
|
|
>>> serialize(elem)
|
|
'text<subtag>subtext</subtag>'
|
|
>>> elem.insert(0, ET.Comment("comment"))
|
|
>>> serialize(elem) # assumes 1.3
|
|
'text<!--comment--><subtag>subtext</subtag>'
|
|
>>> elem[0] = ET.PI("key", "value")
|
|
>>> serialize(elem)
|
|
'text<?key value?><subtag>subtext</subtag>'
|
|
"""
|
|
|
|
def custom_builder():
|
|
"""
|
|
Test parser w. custom builder.
|
|
|
|
>>> with open(SIMPLE_XMLFILE) as f:
|
|
... data = f.read()
|
|
>>> class Builder:
|
|
... def start(self, tag, attrib):
|
|
... print("start", tag)
|
|
... def end(self, tag):
|
|
... print("end", tag)
|
|
... def data(self, text):
|
|
... pass
|
|
>>> builder = Builder()
|
|
>>> parser = ET.XMLParser(target=builder)
|
|
>>> parser.feed(data)
|
|
start root
|
|
start element
|
|
end element
|
|
start element
|
|
end element
|
|
start empty-element
|
|
end empty-element
|
|
end root
|
|
|
|
>>> with open(SIMPLE_NS_XMLFILE) as f:
|
|
... data = f.read()
|
|
>>> class Builder:
|
|
... def start(self, tag, attrib):
|
|
... print("start", tag)
|
|
... def end(self, tag):
|
|
... print("end", tag)
|
|
... def data(self, text):
|
|
... pass
|
|
... def pi(self, target, data):
|
|
... print("pi", target, repr(data))
|
|
... def comment(self, data):
|
|
... print("comment", repr(data))
|
|
>>> builder = Builder()
|
|
>>> parser = ET.XMLParser(target=builder)
|
|
>>> parser.feed(data)
|
|
pi pi 'data'
|
|
comment ' comment '
|
|
start {namespace}root
|
|
start {namespace}element
|
|
end {namespace}element
|
|
start {namespace}element
|
|
end {namespace}element
|
|
start {namespace}empty-element
|
|
end {namespace}empty-element
|
|
end {namespace}root
|
|
|
|
"""
|
|
|
|
def getchildren():
|
|
"""
|
|
Test Element.getchildren()
|
|
|
|
>>> with open(SIMPLE_XMLFILE, "rb") as f:
|
|
... tree = ET.parse(f)
|
|
>>> for elem in tree.getroot().iter():
|
|
... summarize_list(elem.getchildren())
|
|
['element', 'element', 'empty-element']
|
|
[]
|
|
[]
|
|
[]
|
|
>>> for elem in tree.getiterator():
|
|
... summarize_list(elem.getchildren())
|
|
['element', 'element', 'empty-element']
|
|
[]
|
|
[]
|
|
[]
|
|
|
|
>>> elem = ET.XML(SAMPLE_XML)
|
|
>>> len(elem.getchildren())
|
|
3
|
|
>>> len(elem[2].getchildren())
|
|
1
|
|
>>> elem[:] == elem.getchildren()
|
|
True
|
|
>>> child1 = elem[0]
|
|
>>> child2 = elem[2]
|
|
>>> del elem[1:2]
|
|
>>> len(elem.getchildren())
|
|
2
|
|
>>> child1 == elem[0]
|
|
True
|
|
>>> child2 == elem[1]
|
|
True
|
|
>>> elem[0:2] = [child2, child1]
|
|
>>> child2 == elem[0]
|
|
True
|
|
>>> child1 == elem[1]
|
|
True
|
|
>>> child1 == elem[0]
|
|
False
|
|
>>> elem.clear()
|
|
>>> elem.getchildren()
|
|
[]
|
|
"""
|
|
|
|
def writestring():
|
|
"""
|
|
>>> elem = ET.XML("<html><body>text</body></html>")
|
|
>>> ET.tostring(elem)
|
|
b'<html><body>text</body></html>'
|
|
>>> elem = ET.fromstring("<html><body>text</body></html>")
|
|
>>> ET.tostring(elem)
|
|
b'<html><body>text</body></html>'
|
|
"""
|
|
|
|
def check_encoding(encoding):
|
|
"""
|
|
>>> check_encoding("ascii")
|
|
>>> check_encoding("us-ascii")
|
|
>>> check_encoding("iso-8859-1")
|
|
>>> check_encoding("iso-8859-15")
|
|
>>> check_encoding("cp437")
|
|
>>> check_encoding("mac-roman")
|
|
"""
|
|
ET.XML("<?xml version='1.0' encoding='%s'?><xml />" % encoding)
|
|
|
|
def methods():
|
|
r"""
|
|
Test serialization methods.
|
|
|
|
>>> e = ET.XML("<html><link/><script>1 < 2</script></html>")
|
|
>>> e.tail = "\n"
|
|
>>> serialize(e)
|
|
'<html><link /><script>1 < 2</script></html>\n'
|
|
>>> serialize(e, method=None)
|
|
'<html><link /><script>1 < 2</script></html>\n'
|
|
>>> serialize(e, method="xml")
|
|
'<html><link /><script>1 < 2</script></html>\n'
|
|
>>> serialize(e, method="html")
|
|
'<html><link><script>1 < 2</script></html>\n'
|
|
>>> serialize(e, method="text")
|
|
'1 < 2\n'
|
|
"""
|
|
|
|
ENTITY_XML = """\
|
|
<!DOCTYPE points [
|
|
<!ENTITY % user-entities SYSTEM 'user-entities.xml'>
|
|
%user-entities;
|
|
]>
|
|
<document>&entity;</document>
|
|
"""
|
|
|
|
def entity():
|
|
"""
|
|
Test entity handling.
|
|
|
|
1) good entities
|
|
|
|
>>> e = ET.XML("<document title='舰'>test</document>")
|
|
>>> serialize(e, encoding="us-ascii")
|
|
b'<document title="舰">test</document>'
|
|
>>> serialize(e)
|
|
'<document title="\u8230">test</document>'
|
|
|
|
2) bad entities
|
|
|
|
>>> normalize_exception(ET.XML, "<document>&entity;</document>")
|
|
Traceback (most recent call last):
|
|
ParseError: undefined entity: line 1, column 10
|
|
|
|
>>> normalize_exception(ET.XML, ENTITY_XML)
|
|
Traceback (most recent call last):
|
|
ParseError: undefined entity &entity;: line 5, column 10
|
|
|
|
3) custom entity
|
|
|
|
>>> parser = ET.XMLParser()
|
|
>>> parser.entity["entity"] = "text"
|
|
>>> parser.feed(ENTITY_XML)
|
|
>>> root = parser.close()
|
|
>>> serialize(root)
|
|
'<document>text</document>'
|
|
"""
|
|
|
|
def namespace():
|
|
"""
|
|
Test namespace issues.
|
|
|
|
1) xml namespace
|
|
|
|
>>> elem = ET.XML("<tag xml:lang='en' />")
|
|
>>> serialize(elem) # 1.1
|
|
'<tag xml:lang="en" />'
|
|
|
|
2) other "well-known" namespaces
|
|
|
|
>>> elem = ET.XML("<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#' />")
|
|
>>> serialize(elem) # 2.1
|
|
'<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" />'
|
|
|
|
>>> elem = ET.XML("<html:html xmlns:html='http://www.w3.org/1999/xhtml' />")
|
|
>>> serialize(elem) # 2.2
|
|
'<html:html xmlns:html="http://www.w3.org/1999/xhtml" />'
|
|
|
|
>>> elem = ET.XML("<soap:Envelope xmlns:soap='http://schemas.xmlsoap.org/soap/envelope' />")
|
|
>>> serialize(elem) # 2.3
|
|
'<ns0:Envelope xmlns:ns0="http://schemas.xmlsoap.org/soap/envelope" />'
|
|
|
|
3) unknown namespaces
|
|
>>> elem = ET.XML(SAMPLE_XML_NS)
|
|
>>> print(serialize(elem))
|
|
<ns0:body xmlns:ns0="http://effbot.org/ns">
|
|
<ns0:tag>text</ns0:tag>
|
|
<ns0:tag />
|
|
<ns0:section>
|
|
<ns0:tag>subtext</ns0:tag>
|
|
</ns0:section>
|
|
</ns0:body>
|
|
"""
|
|
|
|
def qname():
|
|
"""
|
|
Test QName handling.
|
|
|
|
1) decorated tags
|
|
|
|
>>> elem = ET.Element("{uri}tag")
|
|
>>> serialize(elem) # 1.1
|
|
'<ns0:tag xmlns:ns0="uri" />'
|
|
>>> elem = ET.Element(ET.QName("{uri}tag"))
|
|
>>> serialize(elem) # 1.2
|
|
'<ns0:tag xmlns:ns0="uri" />'
|
|
>>> elem = ET.Element(ET.QName("uri", "tag"))
|
|
>>> serialize(elem) # 1.3
|
|
'<ns0:tag xmlns:ns0="uri" />'
|
|
>>> elem = ET.Element(ET.QName("uri", "tag"))
|
|
>>> subelem = ET.SubElement(elem, ET.QName("uri", "tag1"))
|
|
>>> subelem = ET.SubElement(elem, ET.QName("uri", "tag2"))
|
|
>>> serialize(elem) # 1.4
|
|
'<ns0:tag xmlns:ns0="uri"><ns0:tag1 /><ns0:tag2 /></ns0:tag>'
|
|
|
|
2) decorated attributes
|
|
|
|
>>> elem.clear()
|
|
>>> elem.attrib["{uri}key"] = "value"
|
|
>>> serialize(elem) # 2.1
|
|
'<ns0:tag xmlns:ns0="uri" ns0:key="value" />'
|
|
|
|
>>> elem.clear()
|
|
>>> elem.attrib[ET.QName("{uri}key")] = "value"
|
|
>>> serialize(elem) # 2.2
|
|
'<ns0:tag xmlns:ns0="uri" ns0:key="value" />'
|
|
|
|
3) decorated values are not converted by default, but the
|
|
QName wrapper can be used for values
|
|
|
|
>>> elem.clear()
|
|
>>> elem.attrib["{uri}key"] = "{uri}value"
|
|
>>> serialize(elem) # 3.1
|
|
'<ns0:tag xmlns:ns0="uri" ns0:key="{uri}value" />'
|
|
|
|
>>> elem.clear()
|
|
>>> elem.attrib["{uri}key"] = ET.QName("{uri}value")
|
|
>>> serialize(elem) # 3.2
|
|
'<ns0:tag xmlns:ns0="uri" ns0:key="ns0:value" />'
|
|
|
|
>>> elem.clear()
|
|
>>> subelem = ET.Element("tag")
|
|
>>> subelem.attrib["{uri1}key"] = ET.QName("{uri2}value")
|
|
>>> elem.append(subelem)
|
|
>>> elem.append(subelem)
|
|
>>> serialize(elem) # 3.3
|
|
'<ns0:tag xmlns:ns0="uri" xmlns:ns1="uri1" xmlns:ns2="uri2"><tag ns1:key="ns2:value" /><tag ns1:key="ns2:value" /></ns0:tag>'
|
|
|
|
4) Direct QName tests
|
|
|
|
>>> str(ET.QName('ns', 'tag'))
|
|
'{ns}tag'
|
|
>>> str(ET.QName('{ns}tag'))
|
|
'{ns}tag'
|
|
>>> q1 = ET.QName('ns', 'tag')
|
|
>>> q2 = ET.QName('ns', 'tag')
|
|
>>> q1 == q2
|
|
True
|
|
>>> q2 = ET.QName('ns', 'other-tag')
|
|
>>> q1 == q2
|
|
False
|
|
>>> q1 == 'ns:tag'
|
|
False
|
|
>>> q1 == '{ns}tag'
|
|
True
|
|
"""
|
|
|
|
def doctype_public():
|
|
"""
|
|
Test PUBLIC doctype.
|
|
|
|
>>> elem = ET.XML('<!DOCTYPE html PUBLIC'
|
|
... ' "-//W3C//DTD XHTML 1.0 Transitional//EN"'
|
|
... ' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
|
|
... '<html>text</html>')
|
|
|
|
"""
|
|
|
|
def xpath_tokenizer(p):
|
|
"""
|
|
Test the XPath tokenizer.
|
|
|
|
>>> # tests from the xml specification
|
|
>>> xpath_tokenizer("*")
|
|
['*']
|
|
>>> xpath_tokenizer("text()")
|
|
['text', '()']
|
|
>>> xpath_tokenizer("@name")
|
|
['@', 'name']
|
|
>>> xpath_tokenizer("@*")
|
|
['@', '*']
|
|
>>> xpath_tokenizer("para[1]")
|
|
['para', '[', '1', ']']
|
|
>>> xpath_tokenizer("para[last()]")
|
|
['para', '[', 'last', '()', ']']
|
|
>>> xpath_tokenizer("*/para")
|
|
['*', '/', 'para']
|
|
>>> xpath_tokenizer("/doc/chapter[5]/section[2]")
|
|
['/', 'doc', '/', 'chapter', '[', '5', ']', '/', 'section', '[', '2', ']']
|
|
>>> xpath_tokenizer("chapter//para")
|
|
['chapter', '//', 'para']
|
|
>>> xpath_tokenizer("//para")
|
|
['//', 'para']
|
|
>>> xpath_tokenizer("//olist/item")
|
|
['//', 'olist', '/', 'item']
|
|
>>> xpath_tokenizer(".")
|
|
['.']
|
|
>>> xpath_tokenizer(".//para")
|
|
['.', '//', 'para']
|
|
>>> xpath_tokenizer("..")
|
|
['..']
|
|
>>> xpath_tokenizer("../@lang")
|
|
['..', '/', '@', 'lang']
|
|
>>> xpath_tokenizer("chapter[title]")
|
|
['chapter', '[', 'title', ']']
|
|
>>> xpath_tokenizer("employee[@secretary and @assistant]")
|
|
['employee', '[', '@', 'secretary', '', 'and', '', '@', 'assistant', ']']
|
|
|
|
>>> # additional tests
|
|
>>> xpath_tokenizer("{http://spam}egg")
|
|
['{http://spam}egg']
|
|
>>> xpath_tokenizer("./spam.egg")
|
|
['.', '/', 'spam.egg']
|
|
>>> xpath_tokenizer(".//{http://spam}egg")
|
|
['.', '//', '{http://spam}egg']
|
|
"""
|
|
from xml.etree import ElementPath
|
|
out = []
|
|
for op, tag in ElementPath.xpath_tokenizer(p):
|
|
out.append(op or tag)
|
|
return out
|
|
|
|
def processinginstruction():
|
|
"""
|
|
Test ProcessingInstruction directly
|
|
|
|
>>> ET.tostring(ET.ProcessingInstruction('test', 'instruction'))
|
|
b'<?test instruction?>'
|
|
>>> ET.tostring(ET.PI('test', 'instruction'))
|
|
b'<?test instruction?>'
|
|
|
|
Issue #2746
|
|
|
|
>>> ET.tostring(ET.PI('test', '<testing&>'))
|
|
b'<?test <testing&>?>'
|
|
>>> ET.tostring(ET.PI('test', '<testing&>\xe3'), 'latin-1')
|
|
b"<?xml version='1.0' encoding='latin-1'?>\\n<?test <testing&>\\xe3?>"
|
|
"""
|
|
|
|
#
|
|
# xinclude tests (samples from appendix C of the xinclude specification)
|
|
|
|
XINCLUDE = {}
|
|
|
|
XINCLUDE["C1.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<document xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<p>120 Mz is adequate for an average home user.</p>
|
|
<xi:include href="disclaimer.xml"/>
|
|
</document>
|
|
"""
|
|
|
|
XINCLUDE["disclaimer.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<disclaimer>
|
|
<p>The opinions represented herein represent those of the individual
|
|
and should not be interpreted as official policy endorsed by this
|
|
organization.</p>
|
|
</disclaimer>
|
|
"""
|
|
|
|
XINCLUDE["C2.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<document xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<p>This document has been accessed
|
|
<xi:include href="count.txt" parse="text"/> times.</p>
|
|
</document>
|
|
"""
|
|
|
|
XINCLUDE["count.txt"] = "324387"
|
|
|
|
XINCLUDE["C2b.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<document xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<p>This document has been <em>accessed</em>
|
|
<xi:include href="count.txt" parse="text"/> times.</p>
|
|
</document>
|
|
"""
|
|
|
|
XINCLUDE["C3.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<document xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<p>The following is the source of the "data.xml" resource:</p>
|
|
<example><xi:include href="data.xml" parse="text"/></example>
|
|
</document>
|
|
"""
|
|
|
|
XINCLUDE["data.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<data>
|
|
<item><![CDATA[Brooks & Shields]]></item>
|
|
</data>
|
|
"""
|
|
|
|
XINCLUDE["C5.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<div xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<xi:include href="example.txt" parse="text">
|
|
<xi:fallback>
|
|
<xi:include href="fallback-example.txt" parse="text">
|
|
<xi:fallback><a href="mailto:bob@example.org">Report error</a></xi:fallback>
|
|
</xi:include>
|
|
</xi:fallback>
|
|
</xi:include>
|
|
</div>
|
|
"""
|
|
|
|
XINCLUDE["default.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<document xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<p>Example.</p>
|
|
<xi:include href="{}"/>
|
|
</document>
|
|
""".format(html.escape(SIMPLE_XMLFILE, True))
|
|
|
|
|
|
def xinclude_loader(href, parse="xml", encoding=None):
|
|
try:
|
|
data = XINCLUDE[href]
|
|
except KeyError:
|
|
raise OSError("resource not found")
|
|
if parse == "xml":
|
|
data = ET.XML(data)
|
|
return data
|
|
|
|
def xinclude():
|
|
r"""
|
|
Basic inclusion example (XInclude C.1)
|
|
|
|
>>> from xml.etree import ElementInclude
|
|
|
|
>>> document = xinclude_loader("C1.xml")
|
|
>>> ElementInclude.include(document, xinclude_loader)
|
|
>>> print(serialize(document)) # C1
|
|
<document>
|
|
<p>120 Mz is adequate for an average home user.</p>
|
|
<disclaimer>
|
|
<p>The opinions represented herein represent those of the individual
|
|
and should not be interpreted as official policy endorsed by this
|
|
organization.</p>
|
|
</disclaimer>
|
|
</document>
|
|
|
|
Textual inclusion example (XInclude C.2)
|
|
|
|
>>> document = xinclude_loader("C2.xml")
|
|
>>> ElementInclude.include(document, xinclude_loader)
|
|
>>> print(serialize(document)) # C2
|
|
<document>
|
|
<p>This document has been accessed
|
|
324387 times.</p>
|
|
</document>
|
|
|
|
Textual inclusion after sibling element (based on modified XInclude C.2)
|
|
|
|
>>> document = xinclude_loader("C2b.xml")
|
|
>>> ElementInclude.include(document, xinclude_loader)
|
|
>>> print(serialize(document)) # C2b
|
|
<document>
|
|
<p>This document has been <em>accessed</em>
|
|
324387 times.</p>
|
|
</document>
|
|
|
|
Textual inclusion of XML example (XInclude C.3)
|
|
|
|
>>> document = xinclude_loader("C3.xml")
|
|
>>> ElementInclude.include(document, xinclude_loader)
|
|
>>> print(serialize(document)) # C3
|
|
<document>
|
|
<p>The following is the source of the "data.xml" resource:</p>
|
|
<example><?xml version='1.0'?>
|
|
<data>
|
|
<item><![CDATA[Brooks & Shields]]></item>
|
|
</data>
|
|
</example>
|
|
</document>
|
|
|
|
Fallback example (XInclude C.5)
|
|
Note! Fallback support is not yet implemented
|
|
|
|
>>> document = xinclude_loader("C5.xml")
|
|
>>> ElementInclude.include(document, xinclude_loader)
|
|
Traceback (most recent call last):
|
|
OSError: resource not found
|
|
>>> # print(serialize(document)) # C5
|
|
"""
|
|
|
|
|
|
#
|
|
# badly formatted xi:include tags
|
|
|
|
XINCLUDE_BAD = {}
|
|
|
|
XINCLUDE_BAD["B1.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<document xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<p>120 Mz is adequate for an average home user.</p>
|
|
<xi:include href="disclaimer.xml" parse="BAD_TYPE"/>
|
|
</document>
|
|
"""
|
|
|
|
XINCLUDE_BAD["B2.xml"] = """\
|
|
<?xml version='1.0'?>
|
|
<div xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<xi:fallback></xi:fallback>
|
|
</div>
|
|
"""
|
|
|
|
def xinclude_failures():
|
|
r"""
|
|
Test failure to locate included XML file.
|
|
|
|
>>> from xml.etree import ElementInclude
|
|
|
|
>>> def none_loader(href, parser, encoding=None):
|
|
... return None
|
|
|
|
>>> document = ET.XML(XINCLUDE["C1.xml"])
|
|
>>> ElementInclude.include(document, loader=none_loader)
|
|
Traceback (most recent call last):
|
|
xml.etree.ElementInclude.FatalIncludeError: cannot load 'disclaimer.xml' as 'xml'
|
|
|
|
Test failure to locate included text file.
|
|
|
|
>>> document = ET.XML(XINCLUDE["C2.xml"])
|
|
>>> ElementInclude.include(document, loader=none_loader)
|
|
Traceback (most recent call last):
|
|
xml.etree.ElementInclude.FatalIncludeError: cannot load 'count.txt' as 'text'
|
|
|
|
Test bad parse type.
|
|
|
|
>>> document = ET.XML(XINCLUDE_BAD["B1.xml"])
|
|
>>> ElementInclude.include(document, loader=none_loader)
|
|
Traceback (most recent call last):
|
|
xml.etree.ElementInclude.FatalIncludeError: unknown parse type in xi:include tag ('BAD_TYPE')
|
|
|
|
Test xi:fallback outside xi:include.
|
|
|
|
>>> document = ET.XML(XINCLUDE_BAD["B2.xml"])
|
|
>>> ElementInclude.include(document, loader=none_loader)
|
|
Traceback (most recent call last):
|
|
xml.etree.ElementInclude.FatalIncludeError: xi:fallback tag must be child of xi:include ('{http://www.w3.org/2001/XInclude}fallback')
|
|
"""
|
|
|
|
# --------------------------------------------------------------------
|
|
# reported bugs
|
|
|
|
def bug_xmltoolkit21():
|
|
"""
|
|
|
|
marshaller gives obscure errors for non-string values
|
|
|
|
>>> elem = ET.Element(123)
|
|
>>> serialize(elem) # tag
|
|
Traceback (most recent call last):
|
|
TypeError: cannot serialize 123 (type int)
|
|
>>> elem = ET.Element("elem")
|
|
>>> elem.text = 123
|
|
>>> serialize(elem) # text
|
|
Traceback (most recent call last):
|
|
TypeError: cannot serialize 123 (type int)
|
|
>>> elem = ET.Element("elem")
|
|
>>> elem.tail = 123
|
|
>>> serialize(elem) # tail
|
|
Traceback (most recent call last):
|
|
TypeError: cannot serialize 123 (type int)
|
|
>>> elem = ET.Element("elem")
|
|
>>> elem.set(123, "123")
|
|
>>> serialize(elem) # attribute key
|
|
Traceback (most recent call last):
|
|
TypeError: cannot serialize 123 (type int)
|
|
>>> elem = ET.Element("elem")
|
|
>>> elem.set("123", 123)
|
|
>>> serialize(elem) # attribute value
|
|
Traceback (most recent call last):
|
|
TypeError: cannot serialize 123 (type int)
|
|
|
|
"""
|
|
|
|
def bug_xmltoolkit25():
|
|
"""
|
|
|
|
typo in ElementTree.findtext
|
|
|
|
>>> elem = ET.XML(SAMPLE_XML)
|
|
>>> tree = ET.ElementTree(elem)
|
|
>>> tree.findtext("tag")
|
|
'text'
|
|
>>> tree.findtext("section/tag")
|
|
'subtext'
|
|
|
|
"""
|
|
|
|
def bug_xmltoolkit28():
|
|
"""
|
|
|
|
.//tag causes exceptions
|
|
|
|
>>> tree = ET.XML("<doc><table><tbody/></table></doc>")
|
|
>>> summarize_list(tree.findall(".//thead"))
|
|
[]
|
|
>>> summarize_list(tree.findall(".//tbody"))
|
|
['tbody']
|
|
|
|
"""
|
|
|
|
def bug_xmltoolkitX1():
|
|
"""
|
|
|
|
dump() doesn't flush the output buffer
|
|
|
|
>>> tree = ET.XML("<doc><table><tbody/></table></doc>")
|
|
>>> ET.dump(tree); print("tail")
|
|
<doc><table><tbody /></table></doc>
|
|
tail
|
|
|
|
"""
|
|
|
|
def bug_xmltoolkit39():
|
|
"""
|
|
|
|
non-ascii element and attribute names doesn't work
|
|
|
|
>>> tree = ET.XML(b"<?xml version='1.0' encoding='iso-8859-1'?><t\\xe4g />")
|
|
>>> ET.tostring(tree, "utf-8")
|
|
b'<t\\xc3\\xa4g />'
|
|
|
|
>>> tree = ET.XML(b"<?xml version='1.0' encoding='iso-8859-1'?><tag \\xe4ttr='välue' />")
|
|
>>> tree.attrib
|
|
{'\\xe4ttr': 'v\\xe4lue'}
|
|
>>> ET.tostring(tree, "utf-8")
|
|
b'<tag \\xc3\\xa4ttr="v\\xc3\\xa4lue" />'
|
|
|
|
>>> tree = ET.XML(b"<?xml version='1.0' encoding='iso-8859-1'?><t\\xe4g>text</t\\xe4g>")
|
|
>>> ET.tostring(tree, "utf-8")
|
|
b'<t\\xc3\\xa4g>text</t\\xc3\\xa4g>'
|
|
|
|
>>> tree = ET.Element("t\u00e4g")
|
|
>>> ET.tostring(tree, "utf-8")
|
|
b'<t\\xc3\\xa4g />'
|
|
|
|
>>> tree = ET.Element("tag")
|
|
>>> tree.set("\u00e4ttr", "v\u00e4lue")
|
|
>>> ET.tostring(tree, "utf-8")
|
|
b'<tag \\xc3\\xa4ttr="v\\xc3\\xa4lue" />'
|
|
|
|
"""
|
|
|
|
def bug_xmltoolkit54():
|
|
"""
|
|
|
|
problems handling internally defined entities
|
|
|
|
>>> e = ET.XML("<!DOCTYPE doc [<!ENTITY ldots '舰'>]><doc>&ldots;</doc>")
|
|
>>> serialize(e, encoding="us-ascii")
|
|
b'<doc>舰</doc>'
|
|
>>> serialize(e)
|
|
'<doc>\u8230</doc>'
|
|
|
|
"""
|
|
|
|
def bug_xmltoolkit55():
|
|
"""
|
|
|
|
make sure we're reporting the first error, not the last
|
|
|
|
>>> normalize_exception(ET.XML, b"<!DOCTYPE doc SYSTEM 'doc.dtd'><doc>&ldots;&ndots;&rdots;</doc>")
|
|
Traceback (most recent call last):
|
|
ParseError: undefined entity &ldots;: line 1, column 36
|
|
|
|
"""
|
|
|
|
class ExceptionFile:
|
|
def read(self, x):
|
|
raise OSError
|
|
|
|
def xmltoolkit60():
|
|
"""
|
|
|
|
Handle crash in stream source.
|
|
>>> tree = ET.parse(ExceptionFile())
|
|
Traceback (most recent call last):
|
|
OSError
|
|
|
|
"""
|
|
|
|
XMLTOOLKIT62_DOC = """<?xml version="1.0" encoding="UTF-8"?>
|
|
<!DOCTYPE patent-application-publication SYSTEM "pap-v15-2001-01-31.dtd" []>
|
|
<patent-application-publication>
|
|
<subdoc-abstract>
|
|
<paragraph id="A-0001" lvl="0">A new cultivar of Begonia plant named ‘BCT9801BEG’.</paragraph>
|
|
</subdoc-abstract>
|
|
</patent-application-publication>"""
|
|
|
|
|
|
def xmltoolkit62():
|
|
"""
|
|
|
|
Don't crash when using custom entities.
|
|
|
|
>>> xmltoolkit62()
|
|
'A new cultivar of Begonia plant named \u2018BCT9801BEG\u2019.'
|
|
|
|
"""
|
|
ENTITIES = {'rsquo': '\u2019', 'lsquo': '\u2018'}
|
|
parser = ET.XMLTreeBuilder()
|
|
parser.entity.update(ENTITIES)
|
|
parser.feed(XMLTOOLKIT62_DOC)
|
|
t = parser.close()
|
|
return t.find('.//paragraph').text
|
|
|
|
def xmltoolkit63():
|
|
"""
|
|
|
|
Check reference leak.
|
|
>>> xmltoolkit63()
|
|
>>> count = sys.getrefcount(None)
|
|
>>> for i in range(1000):
|
|
... xmltoolkit63()
|
|
>>> sys.getrefcount(None) - count
|
|
0
|
|
|
|
"""
|
|
tree = ET.TreeBuilder()
|
|
tree.start("tag", {})
|
|
tree.data("text")
|
|
tree.end("tag")
|
|
|
|
# --------------------------------------------------------------------
|
|
|
|
|
|
def bug_200708_newline():
|
|
r"""
|
|
|
|
Preserve newlines in attributes.
|
|
|
|
>>> e = ET.Element('SomeTag', text="def _f():\n return 3\n")
|
|
>>> ET.tostring(e)
|
|
b'<SomeTag text="def _f(): return 3 " />'
|
|
>>> ET.XML(ET.tostring(e)).get("text")
|
|
'def _f():\n return 3\n'
|
|
>>> ET.tostring(ET.XML(ET.tostring(e)))
|
|
b'<SomeTag text="def _f(): return 3 " />'
|
|
|
|
"""
|
|
|
|
def bug_200708_close():
|
|
"""
|
|
|
|
Test default builder.
|
|
>>> parser = ET.XMLParser() # default
|
|
>>> parser.feed("<element>some text</element>")
|
|
>>> summarize(parser.close())
|
|
'element'
|
|
|
|
Test custom builder.
|
|
>>> class EchoTarget:
|
|
... def close(self):
|
|
... return ET.Element("element") # simulate root
|
|
>>> parser = ET.XMLParser(EchoTarget())
|
|
>>> parser.feed("<element>some text</element>")
|
|
>>> summarize(parser.close())
|
|
'element'
|
|
|
|
"""
|
|
|
|
def bug_200709_default_namespace():
|
|
"""
|
|
|
|
>>> e = ET.Element("{default}elem")
|
|
>>> s = ET.SubElement(e, "{default}elem")
|
|
>>> serialize(e, default_namespace="default") # 1
|
|
'<elem xmlns="default"><elem /></elem>'
|
|
|
|
>>> e = ET.Element("{default}elem")
|
|
>>> s = ET.SubElement(e, "{default}elem")
|
|
>>> s = ET.SubElement(e, "{not-default}elem")
|
|
>>> serialize(e, default_namespace="default") # 2
|
|
'<elem xmlns="default" xmlns:ns1="not-default"><elem /><ns1:elem /></elem>'
|
|
|
|
>>> e = ET.Element("{default}elem")
|
|
>>> s = ET.SubElement(e, "{default}elem")
|
|
>>> s = ET.SubElement(e, "elem") # unprefixed name
|
|
>>> serialize(e, default_namespace="default") # 3
|
|
Traceback (most recent call last):
|
|
ValueError: cannot use non-qualified names with default_namespace option
|
|
|
|
"""
|
|
|
|
def bug_200709_register_namespace():
|
|
"""
|
|
|
|
>>> ET.tostring(ET.Element("{http://namespace.invalid/does/not/exist/}title"))
|
|
b'<ns0:title xmlns:ns0="http://namespace.invalid/does/not/exist/" />'
|
|
>>> ET.register_namespace("foo", "http://namespace.invalid/does/not/exist/")
|
|
>>> ET.tostring(ET.Element("{http://namespace.invalid/does/not/exist/}title"))
|
|
b'<foo:title xmlns:foo="http://namespace.invalid/does/not/exist/" />'
|
|
|
|
And the Dublin Core namespace is in the default list:
|
|
|
|
>>> ET.tostring(ET.Element("{http://purl.org/dc/elements/1.1/}title"))
|
|
b'<dc:title xmlns:dc="http://purl.org/dc/elements/1.1/" />'
|
|
|
|
"""
|
|
|
|
def bug_200709_element_comment():
|
|
"""
|
|
|
|
Not sure if this can be fixed, really (since the serializer needs
|
|
ET.Comment, not cET.comment).
|
|
|
|
>>> a = ET.Element('a')
|
|
>>> a.append(ET.Comment('foo'))
|
|
>>> a[0].tag == ET.Comment
|
|
True
|
|
|
|
>>> a = ET.Element('a')
|
|
>>> a.append(ET.PI('foo'))
|
|
>>> a[0].tag == ET.PI
|
|
True
|
|
|
|
"""
|
|
|
|
def bug_200709_element_insert():
|
|
"""
|
|
|
|
>>> a = ET.Element('a')
|
|
>>> b = ET.SubElement(a, 'b')
|
|
>>> c = ET.SubElement(a, 'c')
|
|
>>> d = ET.Element('d')
|
|
>>> a.insert(0, d)
|
|
>>> summarize_list(a)
|
|
['d', 'b', 'c']
|
|
>>> a.insert(-1, d)
|
|
>>> summarize_list(a)
|
|
['d', 'b', 'd', 'c']
|
|
|
|
"""
|
|
|
|
def bug_200709_iter_comment():
|
|
"""
|
|
|
|
>>> a = ET.Element('a')
|
|
>>> b = ET.SubElement(a, 'b')
|
|
>>> comment_b = ET.Comment("TEST-b")
|
|
>>> b.append(comment_b)
|
|
>>> summarize_list(a.iter(ET.Comment))
|
|
['<Comment>']
|
|
|
|
"""
|
|
|
|
# --------------------------------------------------------------------
|
|
# reported on bugs.python.org
|
|
|
|
def bug_1534630():
|
|
"""
|
|
|
|
>>> bob = ET.TreeBuilder()
|
|
>>> e = bob.data("data")
|
|
>>> e = bob.start("tag", {})
|
|
>>> e = bob.end("tag")
|
|
>>> e = bob.close()
|
|
>>> serialize(e)
|
|
'<tag />'
|
|
|
|
"""
|
|
|
|
def check_issue6233():
|
|
"""
|
|
|
|
>>> e = ET.XML(b"<?xml version='1.0' encoding='utf-8'?><body>t\\xc3\\xa3g</body>")
|
|
>>> ET.tostring(e, 'ascii')
|
|
b"<?xml version='1.0' encoding='ascii'?>\\n<body>tãg</body>"
|
|
>>> e = ET.XML(b"<?xml version='1.0' encoding='iso-8859-1'?><body>t\\xe3g</body>")
|
|
>>> ET.tostring(e, 'ascii')
|
|
b"<?xml version='1.0' encoding='ascii'?>\\n<body>tãg</body>"
|
|
|
|
"""
|
|
|
|
def check_issue3151():
|
|
"""
|
|
|
|
>>> e = ET.XML('<prefix:localname xmlns:prefix="${stuff}"/>')
|
|
>>> e.tag
|
|
'{${stuff}}localname'
|
|
>>> t = ET.ElementTree(e)
|
|
>>> ET.tostring(e)
|
|
b'<ns0:localname xmlns:ns0="${stuff}" />'
|
|
|
|
"""
|
|
|
|
def check_issue6565():
|
|
"""
|
|
|
|
>>> elem = ET.XML("<body><tag/></body>")
|
|
>>> summarize_list(elem)
|
|
['tag']
|
|
>>> newelem = ET.XML(SAMPLE_XML)
|
|
>>> elem[:] = newelem[:]
|
|
>>> summarize_list(elem)
|
|
['tag', 'tag', 'section']
|
|
|
|
"""
|
|
|
|
def check_issue10777():
|
|
"""
|
|
Registering a namespace twice caused a "dictionary changed size during
|
|
iteration" bug.
|
|
|
|
>>> ET.register_namespace('test10777', 'http://myuri/')
|
|
>>> ET.register_namespace('test10777', 'http://myuri/')
|
|
"""
|
|
|
|
# --------------------------------------------------------------------
|
|
|
|
|
|
class BasicElementTest(unittest.TestCase):
|
|
def test_augmentation_type_errors(self):
|
|
e = ET.Element('joe')
|
|
self.assertRaises(TypeError, e.append, 'b')
|
|
self.assertRaises(TypeError, e.extend, [ET.Element('bar'), 'foo'])
|
|
self.assertRaises(TypeError, e.insert, 0, 'foo')
|
|
|
|
def test_cyclic_gc(self):
|
|
class Dummy:
|
|
pass
|
|
|
|
# Test the shortest cycle: d->element->d
|
|
d = Dummy()
|
|
d.dummyref = ET.Element('joe', attr=d)
|
|
wref = weakref.ref(d)
|
|
del d
|
|
gc_collect()
|
|
self.assertIsNone(wref())
|
|
|
|
# A longer cycle: d->e->e2->d
|
|
e = ET.Element('joe')
|
|
d = Dummy()
|
|
d.dummyref = e
|
|
wref = weakref.ref(d)
|
|
e2 = ET.SubElement(e, 'foo', attr=d)
|
|
del d, e, e2
|
|
gc_collect()
|
|
self.assertIsNone(wref())
|
|
|
|
# A cycle between Element objects as children of one another
|
|
# e1->e2->e3->e1
|
|
e1 = ET.Element('e1')
|
|
e2 = ET.Element('e2')
|
|
e3 = ET.Element('e3')
|
|
e1.append(e2)
|
|
e2.append(e2)
|
|
e3.append(e1)
|
|
wref = weakref.ref(e1)
|
|
del e1, e2, e3
|
|
gc_collect()
|
|
self.assertIsNone(wref())
|
|
|
|
def test_weakref(self):
|
|
flag = False
|
|
def wref_cb(w):
|
|
nonlocal flag
|
|
flag = True
|
|
e = ET.Element('e')
|
|
wref = weakref.ref(e, wref_cb)
|
|
self.assertEqual(wref().tag, 'e')
|
|
del e
|
|
self.assertEqual(flag, True)
|
|
self.assertEqual(wref(), None)
|
|
|
|
|
|
class ElementTreeTest(unittest.TestCase):
|
|
def test_istype(self):
|
|
self.assertIsInstance(ET.ParseError, type)
|
|
self.assertIsInstance(ET.QName, type)
|
|
self.assertIsInstance(ET.ElementTree, type)
|
|
self.assertIsInstance(ET.Element, type)
|
|
self.assertIsInstance(ET.TreeBuilder, type)
|
|
self.assertIsInstance(ET.XMLParser, type)
|
|
|
|
def test_Element_subclass_trivial(self):
|
|
class MyElement(ET.Element):
|
|
pass
|
|
|
|
mye = MyElement('foo')
|
|
self.assertIsInstance(mye, ET.Element)
|
|
self.assertIsInstance(mye, MyElement)
|
|
self.assertEqual(mye.tag, 'foo')
|
|
|
|
# test that attribute assignment works (issue 14849)
|
|
mye.text = "joe"
|
|
self.assertEqual(mye.text, "joe")
|
|
|
|
def test_Element_subclass_constructor(self):
|
|
class MyElement(ET.Element):
|
|
def __init__(self, tag, attrib={}, **extra):
|
|
super(MyElement, self).__init__(tag + '__', attrib, **extra)
|
|
|
|
mye = MyElement('foo', {'a': 1, 'b': 2}, c=3, d=4)
|
|
self.assertEqual(mye.tag, 'foo__')
|
|
self.assertEqual(sorted(mye.items()),
|
|
[('a', 1), ('b', 2), ('c', 3), ('d', 4)])
|
|
|
|
def test_Element_subclass_new_method(self):
|
|
class MyElement(ET.Element):
|
|
def newmethod(self):
|
|
return self.tag
|
|
|
|
mye = MyElement('joe')
|
|
self.assertEqual(mye.newmethod(), 'joe')
|
|
|
|
def test_html_empty_elems_serialization(self):
|
|
# issue 15970
|
|
# from http://www.w3.org/TR/html401/index/elements.html
|
|
for element in ['AREA', 'BASE', 'BASEFONT', 'BR', 'COL', 'FRAME', 'HR',
|
|
'IMG', 'INPUT', 'ISINDEX', 'LINK', 'META', 'PARAM']:
|
|
for elem in [element, element.lower()]:
|
|
expected = '<%s>' % elem
|
|
serialized = serialize(ET.XML('<%s />' % elem), method='html')
|
|
self.assertEqual(serialized, expected)
|
|
serialized = serialize(ET.XML('<%s></%s>' % (elem,elem)),
|
|
method='html')
|
|
self.assertEqual(serialized, expected)
|
|
|
|
class ElementIterTest(unittest.TestCase):
|
|
def _ilist(self, elem, tag=None):
|
|
return summarize_list(elem.iter(tag))
|
|
|
|
def test_basic(self):
|
|
doc = ET.XML("<html><body>this is a <i>paragraph</i>.</body>..</html>")
|
|
self.assertEqual(self._ilist(doc), ['html', 'body', 'i'])
|
|
self.assertEqual(self._ilist(doc.find('body')), ['body', 'i'])
|
|
self.assertEqual(next(doc.iter()).tag, 'html')
|
|
self.assertEqual(''.join(doc.itertext()), 'this is a paragraph...')
|
|
self.assertEqual(''.join(doc.find('body').itertext()),
|
|
'this is a paragraph.')
|
|
self.assertEqual(next(doc.itertext()), 'this is a ')
|
|
|
|
# iterparse should return an iterator
|
|
sourcefile = serialize(doc, to_string=False)
|
|
self.assertEqual(next(ET.iterparse(sourcefile))[0], 'end')
|
|
|
|
tree = ET.ElementTree(None)
|
|
self.assertRaises(AttributeError, tree.iter)
|
|
|
|
def test_corners(self):
|
|
# single root, no subelements
|
|
a = ET.Element('a')
|
|
self.assertEqual(self._ilist(a), ['a'])
|
|
|
|
# one child
|
|
b = ET.SubElement(a, 'b')
|
|
self.assertEqual(self._ilist(a), ['a', 'b'])
|
|
|
|
# one child and one grandchild
|
|
c = ET.SubElement(b, 'c')
|
|
self.assertEqual(self._ilist(a), ['a', 'b', 'c'])
|
|
|
|
# two children, only first with grandchild
|
|
d = ET.SubElement(a, 'd')
|
|
self.assertEqual(self._ilist(a), ['a', 'b', 'c', 'd'])
|
|
|
|
# replace first child by second
|
|
a[0] = a[1]
|
|
del a[1]
|
|
self.assertEqual(self._ilist(a), ['a', 'd'])
|
|
|
|
def test_iter_by_tag(self):
|
|
doc = ET.XML('''
|
|
<document>
|
|
<house>
|
|
<room>bedroom1</room>
|
|
<room>bedroom2</room>
|
|
</house>
|
|
<shed>nothing here
|
|
</shed>
|
|
<house>
|
|
<room>bedroom8</room>
|
|
</house>
|
|
</document>''')
|
|
|
|
self.assertEqual(self._ilist(doc, 'room'), ['room'] * 3)
|
|
self.assertEqual(self._ilist(doc, 'house'), ['house'] * 2)
|
|
|
|
# make sure both tag=None and tag='*' return all tags
|
|
all_tags = ['document', 'house', 'room', 'room',
|
|
'shed', 'house', 'room']
|
|
self.assertEqual(self._ilist(doc), all_tags)
|
|
self.assertEqual(self._ilist(doc, '*'), all_tags)
|
|
|
|
|
|
class TreeBuilderTest(unittest.TestCase):
|
|
sample1 = ('<!DOCTYPE html PUBLIC'
|
|
' "-//W3C//DTD XHTML 1.0 Transitional//EN"'
|
|
' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
|
|
'<html>text</html>')
|
|
|
|
sample2 = '''<toplevel>sometext</toplevel>'''
|
|
|
|
def test_dummy_builder(self):
|
|
class BaseDummyBuilder:
|
|
def close(self):
|
|
return 42
|
|
|
|
class DummyBuilder(BaseDummyBuilder):
|
|
data = start = end = lambda *a: None
|
|
|
|
parser = ET.XMLParser(target=DummyBuilder())
|
|
parser.feed(self.sample1)
|
|
self.assertEqual(parser.close(), 42)
|
|
|
|
parser = ET.XMLParser(target=BaseDummyBuilder())
|
|
parser.feed(self.sample1)
|
|
self.assertEqual(parser.close(), 42)
|
|
|
|
parser = ET.XMLParser(target=object())
|
|
parser.feed(self.sample1)
|
|
self.assertIsNone(parser.close())
|
|
|
|
def test_subclass(self):
|
|
class MyTreeBuilder(ET.TreeBuilder):
|
|
def foobar(self, x):
|
|
return x * 2
|
|
|
|
tb = MyTreeBuilder()
|
|
self.assertEqual(tb.foobar(10), 20)
|
|
|
|
parser = ET.XMLParser(target=tb)
|
|
parser.feed(self.sample1)
|
|
|
|
e = parser.close()
|
|
self.assertEqual(e.tag, 'html')
|
|
|
|
def test_element_factory(self):
|
|
lst = []
|
|
def myfactory(tag, attrib):
|
|
nonlocal lst
|
|
lst.append(tag)
|
|
return ET.Element(tag, attrib)
|
|
|
|
tb = ET.TreeBuilder(element_factory=myfactory)
|
|
parser = ET.XMLParser(target=tb)
|
|
parser.feed(self.sample2)
|
|
parser.close()
|
|
|
|
self.assertEqual(lst, ['toplevel'])
|
|
|
|
def test_doctype(self):
|
|
class DoctypeParser:
|
|
_doctype = None
|
|
|
|
def doctype(self, name, pubid, system):
|
|
self._doctype = (name, pubid, system)
|
|
|
|
def close(self):
|
|
return self._doctype
|
|
|
|
parser = ET.XMLParser(target=DoctypeParser())
|
|
parser.feed(self.sample1)
|
|
|
|
self.assertEqual(parser.close(),
|
|
('html', '-//W3C//DTD XHTML 1.0 Transitional//EN',
|
|
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'))
|
|
|
|
|
|
class XincludeTest(unittest.TestCase):
|
|
def _my_loader(self, href, parse):
|
|
# Used to avoid a test-dependency problem where the default loader
|
|
# of ElementInclude uses the pyET parser for cET tests.
|
|
if parse == 'xml':
|
|
with open(href, 'rb') as f:
|
|
return ET.parse(f).getroot()
|
|
else:
|
|
return None
|
|
|
|
def test_xinclude_default(self):
|
|
from xml.etree import ElementInclude
|
|
doc = xinclude_loader('default.xml')
|
|
ElementInclude.include(doc, self._my_loader)
|
|
s = serialize(doc)
|
|
self.assertEqual(s.strip(), '''<document>
|
|
<p>Example.</p>
|
|
<root>
|
|
<element key="value">text</element>
|
|
<element>text</element>tail
|
|
<empty-element />
|
|
</root>
|
|
</document>''')
|
|
|
|
|
|
class XMLParserTest(unittest.TestCase):
|
|
sample1 = '<file><line>22</line></file>'
|
|
sample2 = ('<!DOCTYPE html PUBLIC'
|
|
' "-//W3C//DTD XHTML 1.0 Transitional//EN"'
|
|
' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
|
|
'<html>text</html>')
|
|
|
|
def _check_sample_element(self, e):
|
|
self.assertEqual(e.tag, 'file')
|
|
self.assertEqual(e[0].tag, 'line')
|
|
self.assertEqual(e[0].text, '22')
|
|
|
|
def test_constructor_args(self):
|
|
# Positional args. The first (html) is not supported, but should be
|
|
# nevertheless correctly accepted.
|
|
parser = ET.XMLParser(None, ET.TreeBuilder(), 'utf-8')
|
|
parser.feed(self.sample1)
|
|
self._check_sample_element(parser.close())
|
|
|
|
# Now as keyword args.
|
|
parser2 = ET.XMLParser(encoding='utf-8', html=[{}], target=ET.TreeBuilder())
|
|
parser2.feed(self.sample1)
|
|
self._check_sample_element(parser2.close())
|
|
|
|
def test_subclass(self):
|
|
class MyParser(ET.XMLParser):
|
|
pass
|
|
parser = MyParser()
|
|
parser.feed(self.sample1)
|
|
self._check_sample_element(parser.close())
|
|
|
|
def test_subclass_doctype(self):
|
|
_doctype = None
|
|
class MyParserWithDoctype(ET.XMLParser):
|
|
def doctype(self, name, pubid, system):
|
|
nonlocal _doctype
|
|
_doctype = (name, pubid, system)
|
|
|
|
parser = MyParserWithDoctype()
|
|
parser.feed(self.sample2)
|
|
parser.close()
|
|
self.assertEqual(_doctype,
|
|
('html', '-//W3C//DTD XHTML 1.0 Transitional//EN',
|
|
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'))
|
|
|
|
|
|
class NamespaceParseTest(unittest.TestCase):
|
|
def test_find_with_namespace(self):
|
|
nsmap = {'h': 'hello', 'f': 'foo'}
|
|
doc = ET.fromstring(SAMPLE_XML_NS_ELEMS)
|
|
|
|
self.assertEqual(len(doc.findall('{hello}table', nsmap)), 1)
|
|
self.assertEqual(len(doc.findall('.//{hello}td', nsmap)), 2)
|
|
self.assertEqual(len(doc.findall('.//{foo}name', nsmap)), 1)
|
|
|
|
|
|
class ElementSlicingTest(unittest.TestCase):
|
|
def _elem_tags(self, elemlist):
|
|
return [e.tag for e in elemlist]
|
|
|
|
def _subelem_tags(self, elem):
|
|
return self._elem_tags(list(elem))
|
|
|
|
def _make_elem_with_children(self, numchildren):
|
|
"""Create an Element with a tag 'a', with the given amount of children
|
|
named 'a0', 'a1' ... and so on.
|
|
|
|
"""
|
|
e = ET.Element('a')
|
|
for i in range(numchildren):
|
|
ET.SubElement(e, 'a%s' % i)
|
|
return e
|
|
|
|
def test_getslice_single_index(self):
|
|
e = self._make_elem_with_children(10)
|
|
|
|
self.assertEqual(e[1].tag, 'a1')
|
|
self.assertEqual(e[-2].tag, 'a8')
|
|
|
|
self.assertRaises(IndexError, lambda: e[12])
|
|
|
|
def test_getslice_range(self):
|
|
e = self._make_elem_with_children(6)
|
|
|
|
self.assertEqual(self._elem_tags(e[3:]), ['a3', 'a4', 'a5'])
|
|
self.assertEqual(self._elem_tags(e[3:6]), ['a3', 'a4', 'a5'])
|
|
self.assertEqual(self._elem_tags(e[3:16]), ['a3', 'a4', 'a5'])
|
|
self.assertEqual(self._elem_tags(e[3:5]), ['a3', 'a4'])
|
|
self.assertEqual(self._elem_tags(e[3:-1]), ['a3', 'a4'])
|
|
self.assertEqual(self._elem_tags(e[:2]), ['a0', 'a1'])
|
|
|
|
def test_getslice_steps(self):
|
|
e = self._make_elem_with_children(10)
|
|
|
|
self.assertEqual(self._elem_tags(e[8:10:1]), ['a8', 'a9'])
|
|
self.assertEqual(self._elem_tags(e[::3]), ['a0', 'a3', 'a6', 'a9'])
|
|
self.assertEqual(self._elem_tags(e[::8]), ['a0', 'a8'])
|
|
self.assertEqual(self._elem_tags(e[1::8]), ['a1', 'a9'])
|
|
|
|
def test_getslice_negative_steps(self):
|
|
e = self._make_elem_with_children(4)
|
|
|
|
self.assertEqual(self._elem_tags(e[::-1]), ['a3', 'a2', 'a1', 'a0'])
|
|
self.assertEqual(self._elem_tags(e[::-2]), ['a3', 'a1'])
|
|
|
|
def test_delslice(self):
|
|
e = self._make_elem_with_children(4)
|
|
del e[0:2]
|
|
self.assertEqual(self._subelem_tags(e), ['a2', 'a3'])
|
|
|
|
e = self._make_elem_with_children(4)
|
|
del e[0:]
|
|
self.assertEqual(self._subelem_tags(e), [])
|
|
|
|
e = self._make_elem_with_children(4)
|
|
del e[::-1]
|
|
self.assertEqual(self._subelem_tags(e), [])
|
|
|
|
e = self._make_elem_with_children(4)
|
|
del e[::-2]
|
|
self.assertEqual(self._subelem_tags(e), ['a0', 'a2'])
|
|
|
|
e = self._make_elem_with_children(4)
|
|
del e[1::2]
|
|
self.assertEqual(self._subelem_tags(e), ['a0', 'a2'])
|
|
|
|
e = self._make_elem_with_children(2)
|
|
del e[::2]
|
|
self.assertEqual(self._subelem_tags(e), ['a1'])
|
|
|
|
|
|
class IOTest(unittest.TestCase):
|
|
def tearDown(self):
|
|
unlink(TESTFN)
|
|
|
|
def test_encoding(self):
|
|
# Test encoding issues.
|
|
elem = ET.Element("tag")
|
|
elem.text = "abc"
|
|
self.assertEqual(serialize(elem), '<tag>abc</tag>')
|
|
self.assertEqual(serialize(elem, encoding="utf-8"),
|
|
b'<tag>abc</tag>')
|
|
self.assertEqual(serialize(elem, encoding="us-ascii"),
|
|
b'<tag>abc</tag>')
|
|
for enc in ("iso-8859-1", "utf-16", "utf-32"):
|
|
self.assertEqual(serialize(elem, encoding=enc),
|
|
("<?xml version='1.0' encoding='%s'?>\n"
|
|
"<tag>abc</tag>" % enc).encode(enc))
|
|
|
|
elem = ET.Element("tag")
|
|
elem.text = "<&\"\'>"
|
|
self.assertEqual(serialize(elem), '<tag><&"\'></tag>')
|
|
self.assertEqual(serialize(elem, encoding="utf-8"),
|
|
b'<tag><&"\'></tag>')
|
|
self.assertEqual(serialize(elem, encoding="us-ascii"),
|
|
b'<tag><&"\'></tag>')
|
|
for enc in ("iso-8859-1", "utf-16", "utf-32"):
|
|
self.assertEqual(serialize(elem, encoding=enc),
|
|
("<?xml version='1.0' encoding='%s'?>\n"
|
|
"<tag><&\"'></tag>" % enc).encode(enc))
|
|
|
|
elem = ET.Element("tag")
|
|
elem.attrib["key"] = "<&\"\'>"
|
|
self.assertEqual(serialize(elem), '<tag key="<&"\'>" />')
|
|
self.assertEqual(serialize(elem, encoding="utf-8"),
|
|
b'<tag key="<&"\'>" />')
|
|
self.assertEqual(serialize(elem, encoding="us-ascii"),
|
|
b'<tag key="<&"\'>" />')
|
|
for enc in ("iso-8859-1", "utf-16", "utf-32"):
|
|
self.assertEqual(serialize(elem, encoding=enc),
|
|
("<?xml version='1.0' encoding='%s'?>\n"
|
|
"<tag key=\"<&"'>\" />" % enc).encode(enc))
|
|
|
|
elem = ET.Element("tag")
|
|
elem.text = '\xe5\xf6\xf6<>'
|
|
self.assertEqual(serialize(elem), '<tag>\xe5\xf6\xf6<></tag>')
|
|
self.assertEqual(serialize(elem, encoding="utf-8"),
|
|
b'<tag>\xc3\xa5\xc3\xb6\xc3\xb6<></tag>')
|
|
self.assertEqual(serialize(elem, encoding="us-ascii"),
|
|
b'<tag>åöö<></tag>')
|
|
for enc in ("iso-8859-1", "utf-16", "utf-32"):
|
|
self.assertEqual(serialize(elem, encoding=enc),
|
|
("<?xml version='1.0' encoding='%s'?>\n"
|
|
"<tag>åöö<></tag>" % enc).encode(enc))
|
|
|
|
elem = ET.Element("tag")
|
|
elem.attrib["key"] = '\xe5\xf6\xf6<>'
|
|
self.assertEqual(serialize(elem), '<tag key="\xe5\xf6\xf6<>" />')
|
|
self.assertEqual(serialize(elem, encoding="utf-8"),
|
|
b'<tag key="\xc3\xa5\xc3\xb6\xc3\xb6<>" />')
|
|
self.assertEqual(serialize(elem, encoding="us-ascii"),
|
|
b'<tag key="åöö<>" />')
|
|
for enc in ("iso-8859-1", "utf-16", "utf-16le", "utf-16be", "utf-32"):
|
|
self.assertEqual(serialize(elem, encoding=enc),
|
|
("<?xml version='1.0' encoding='%s'?>\n"
|
|
"<tag key=\"åöö<>\" />" % enc).encode(enc))
|
|
|
|
def test_write_to_filename(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
tree.write(TESTFN)
|
|
with open(TESTFN, 'rb') as f:
|
|
self.assertEqual(f.read(), b'''<site />''')
|
|
|
|
def test_write_to_text_file(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
with open(TESTFN, 'w', encoding='utf-8') as f:
|
|
tree.write(f, encoding='unicode')
|
|
self.assertFalse(f.closed)
|
|
with open(TESTFN, 'rb') as f:
|
|
self.assertEqual(f.read(), b'''<site />''')
|
|
|
|
def test_write_to_binary_file(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
with open(TESTFN, 'wb') as f:
|
|
tree.write(f)
|
|
self.assertFalse(f.closed)
|
|
with open(TESTFN, 'rb') as f:
|
|
self.assertEqual(f.read(), b'''<site />''')
|
|
|
|
def test_write_to_binary_file_with_bom(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
# test BOM writing to buffered file
|
|
with open(TESTFN, 'wb') as f:
|
|
tree.write(f, encoding='utf-16')
|
|
self.assertFalse(f.closed)
|
|
with open(TESTFN, 'rb') as f:
|
|
self.assertEqual(f.read(),
|
|
'''<?xml version='1.0' encoding='utf-16'?>\n'''
|
|
'''<site />'''.encode("utf-16"))
|
|
# test BOM writing to non-buffered file
|
|
with open(TESTFN, 'wb', buffering=0) as f:
|
|
tree.write(f, encoding='utf-16')
|
|
self.assertFalse(f.closed)
|
|
with open(TESTFN, 'rb') as f:
|
|
self.assertEqual(f.read(),
|
|
'''<?xml version='1.0' encoding='utf-16'?>\n'''
|
|
'''<site />'''.encode("utf-16"))
|
|
|
|
def test_read_from_stringio(self):
|
|
tree = ET.ElementTree()
|
|
stream = io.StringIO('''<?xml version="1.0"?><site></site>''')
|
|
tree.parse(stream)
|
|
self.assertEqual(tree.getroot().tag, 'site')
|
|
|
|
def test_write_to_stringio(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
stream = io.StringIO()
|
|
tree.write(stream, encoding='unicode')
|
|
self.assertEqual(stream.getvalue(), '''<site />''')
|
|
|
|
def test_read_from_bytesio(self):
|
|
tree = ET.ElementTree()
|
|
raw = io.BytesIO(b'''<?xml version="1.0"?><site></site>''')
|
|
tree.parse(raw)
|
|
self.assertEqual(tree.getroot().tag, 'site')
|
|
|
|
def test_write_to_bytesio(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
raw = io.BytesIO()
|
|
tree.write(raw)
|
|
self.assertEqual(raw.getvalue(), b'''<site />''')
|
|
|
|
class dummy:
|
|
pass
|
|
|
|
def test_read_from_user_text_reader(self):
|
|
stream = io.StringIO('''<?xml version="1.0"?><site></site>''')
|
|
reader = self.dummy()
|
|
reader.read = stream.read
|
|
tree = ET.ElementTree()
|
|
tree.parse(reader)
|
|
self.assertEqual(tree.getroot().tag, 'site')
|
|
|
|
def test_write_to_user_text_writer(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
stream = io.StringIO()
|
|
writer = self.dummy()
|
|
writer.write = stream.write
|
|
tree.write(writer, encoding='unicode')
|
|
self.assertEqual(stream.getvalue(), '''<site />''')
|
|
|
|
def test_read_from_user_binary_reader(self):
|
|
raw = io.BytesIO(b'''<?xml version="1.0"?><site></site>''')
|
|
reader = self.dummy()
|
|
reader.read = raw.read
|
|
tree = ET.ElementTree()
|
|
tree.parse(reader)
|
|
self.assertEqual(tree.getroot().tag, 'site')
|
|
tree = ET.ElementTree()
|
|
|
|
def test_write_to_user_binary_writer(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
raw = io.BytesIO()
|
|
writer = self.dummy()
|
|
writer.write = raw.write
|
|
tree.write(writer)
|
|
self.assertEqual(raw.getvalue(), b'''<site />''')
|
|
|
|
def test_write_to_user_binary_writer_with_bom(self):
|
|
tree = ET.ElementTree(ET.XML('''<site />'''))
|
|
raw = io.BytesIO()
|
|
writer = self.dummy()
|
|
writer.write = raw.write
|
|
writer.seekable = lambda: True
|
|
writer.tell = raw.tell
|
|
tree.write(writer, encoding="utf-16")
|
|
self.assertEqual(raw.getvalue(),
|
|
'''<?xml version='1.0' encoding='utf-16'?>\n'''
|
|
'''<site />'''.encode("utf-16"))
|
|
|
|
def test_tostringlist_invariant(self):
|
|
root = ET.fromstring('<tag>foo</tag>')
|
|
self.assertEqual(
|
|
ET.tostring(root, 'unicode'),
|
|
''.join(ET.tostringlist(root, 'unicode')))
|
|
self.assertEqual(
|
|
ET.tostring(root, 'utf-16'),
|
|
b''.join(ET.tostringlist(root, 'utf-16')))
|
|
|
|
|
|
class ParseErrorTest(unittest.TestCase):
|
|
def test_subclass(self):
|
|
self.assertIsInstance(ET.ParseError(), SyntaxError)
|
|
|
|
def _get_error(self, s):
|
|
try:
|
|
ET.fromstring(s)
|
|
except ET.ParseError as e:
|
|
return e
|
|
|
|
def test_error_position(self):
|
|
self.assertEqual(self._get_error('foo').position, (1, 0))
|
|
self.assertEqual(self._get_error('<tag>&foo;</tag>').position, (1, 5))
|
|
self.assertEqual(self._get_error('foobar<').position, (1, 6))
|
|
|
|
def test_error_code(self):
|
|
import xml.parsers.expat.errors as ERRORS
|
|
self.assertEqual(self._get_error('foo').code,
|
|
ERRORS.codes[ERRORS.XML_ERROR_SYNTAX])
|
|
|
|
|
|
class KeywordArgsTest(unittest.TestCase):
|
|
# Test various issues with keyword arguments passed to ET.Element
|
|
# constructor and methods
|
|
def test_issue14818(self):
|
|
x = ET.XML("<a>foo</a>")
|
|
self.assertEqual(x.find('a', None),
|
|
x.find(path='a', namespaces=None))
|
|
self.assertEqual(x.findtext('a', None, None),
|
|
x.findtext(path='a', default=None, namespaces=None))
|
|
self.assertEqual(x.findall('a', None),
|
|
x.findall(path='a', namespaces=None))
|
|
self.assertEqual(list(x.iterfind('a', None)),
|
|
list(x.iterfind(path='a', namespaces=None)))
|
|
|
|
self.assertEqual(ET.Element('a').attrib, {})
|
|
elements = [
|
|
ET.Element('a', dict(href="#", id="foo")),
|
|
ET.Element('a', attrib=dict(href="#", id="foo")),
|
|
ET.Element('a', dict(href="#"), id="foo"),
|
|
ET.Element('a', href="#", id="foo"),
|
|
ET.Element('a', dict(href="#", id="foo"), href="#", id="foo"),
|
|
]
|
|
for e in elements:
|
|
self.assertEqual(e.tag, 'a')
|
|
self.assertEqual(e.attrib, dict(href="#", id="foo"))
|
|
|
|
e2 = ET.SubElement(elements[0], 'foobar', attrib={'key1': 'value1'})
|
|
self.assertEqual(e2.attrib['key1'], 'value1')
|
|
|
|
with self.assertRaisesRegex(TypeError, 'must be dict, not str'):
|
|
ET.Element('a', "I'm not a dict")
|
|
with self.assertRaisesRegex(TypeError, 'must be dict, not str'):
|
|
ET.Element('a', attrib="I'm not a dict")
|
|
|
|
# --------------------------------------------------------------------
|
|
|
|
@unittest.skipUnless(pyET, 'only for the Python version')
|
|
class NoAcceleratorTest(unittest.TestCase):
|
|
# Test that the C accelerator was not imported for pyET
|
|
def test_correct_import_pyET(self):
|
|
self.assertEqual(pyET.Element.__module__, 'xml.etree.ElementTree')
|
|
self.assertEqual(pyET.SubElement.__module__, 'xml.etree.ElementTree')
|
|
|
|
# --------------------------------------------------------------------
|
|
|
|
|
|
class CleanContext(object):
|
|
"""Provide default namespace mapping and path cache."""
|
|
checkwarnings = None
|
|
|
|
def __init__(self, quiet=False):
|
|
if sys.flags.optimize >= 2:
|
|
# under -OO, doctests cannot be run and therefore not all warnings
|
|
# will be emitted
|
|
quiet = True
|
|
deprecations = (
|
|
# Search behaviour is broken if search path starts with "/".
|
|
("This search is broken in 1.3 and earlier, and will be fixed "
|
|
"in a future version. If you rely on the current behaviour, "
|
|
"change it to '.+'", FutureWarning),
|
|
# Element.getchildren() and Element.getiterator() are deprecated.
|
|
("This method will be removed in future versions. "
|
|
"Use .+ instead.", DeprecationWarning),
|
|
("This method will be removed in future versions. "
|
|
"Use .+ instead.", PendingDeprecationWarning))
|
|
self.checkwarnings = support.check_warnings(*deprecations, quiet=quiet)
|
|
|
|
def __enter__(self):
|
|
from xml.etree import ElementPath
|
|
self._nsmap = ET.register_namespace._namespace_map
|
|
# Copy the default namespace mapping
|
|
self._nsmap_copy = self._nsmap.copy()
|
|
# Copy the path cache (should be empty)
|
|
self._path_cache = ElementPath._cache
|
|
ElementPath._cache = self._path_cache.copy()
|
|
self.checkwarnings.__enter__()
|
|
|
|
def __exit__(self, *args):
|
|
from xml.etree import ElementPath
|
|
# Restore mapping and path cache
|
|
self._nsmap.clear()
|
|
self._nsmap.update(self._nsmap_copy)
|
|
ElementPath._cache = self._path_cache
|
|
self.checkwarnings.__exit__(*args)
|
|
|
|
|
|
def test_main(module=None):
|
|
# When invoked without a module, runs the Python ET tests by loading pyET.
|
|
# Otherwise, uses the given module as the ET.
|
|
if module is None:
|
|
global pyET
|
|
pyET = import_fresh_module('xml.etree.ElementTree',
|
|
blocked=['_elementtree'])
|
|
module = pyET
|
|
|
|
global ET
|
|
ET = module
|
|
|
|
test_classes = [
|
|
ElementSlicingTest,
|
|
BasicElementTest,
|
|
IOTest,
|
|
ParseErrorTest,
|
|
XincludeTest,
|
|
ElementTreeTest,
|
|
ElementIterTest,
|
|
TreeBuilderTest,
|
|
]
|
|
|
|
# These tests will only run for the pure-Python version that doesn't import
|
|
# _elementtree. We can't use skipUnless here, because pyET is filled in only
|
|
# after the module is loaded.
|
|
if pyET:
|
|
test_classes.extend([
|
|
NoAcceleratorTest,
|
|
])
|
|
|
|
try:
|
|
support.run_unittest(*test_classes)
|
|
|
|
# XXX the C module should give the same warnings as the Python module
|
|
with CleanContext(quiet=(module is not pyET)):
|
|
support.run_doctest(sys.modules[__name__], verbosity=True)
|
|
finally:
|
|
# don't interfere with subsequent tests
|
|
ET = pyET = None
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|