/usr/share/doc/python-libxml2/examples/reader6.py is in python-libxml2 2.7.8.dfsg-5.1ubuntu4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | #!/usr/bin/python -u
#
# this tests the entities substitutions with the XmlTextReader interface
#
import sys
import StringIO
import libxml2
schema="""<element name="foo" xmlns="http://relaxng.org/ns/structure/1.0"
datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
<oneOrMore>
<element name="label">
<text/>
</element>
<optional>
<element name="opt">
<empty/>
</element>
</optional>
<element name="item">
<data type="byte"/>
</element>
</oneOrMore>
</element>
"""
# Memory debug specific
libxml2.debugMemory(1)
#
# Parse the Relax NG Schemas
#
rngp = libxml2.relaxNGNewMemParserCtxt(schema, len(schema))
rngs = rngp.relaxNGParse()
del rngp
#
# Parse and validate the correct document
#
docstr="""<foo>
<label>some text</label>
<item>100</item>
</foo>"""
f = StringIO.StringIO(docstr)
input = libxml2.inputBuffer(f)
reader = input.newTextReader("correct")
reader.RelaxNGSetSchema(rngs)
ret = reader.Read()
while ret == 1:
ret = reader.Read()
if ret != 0:
print "Error parsing the document"
sys.exit(1)
if reader.IsValid() != 1:
print "Document failed to validate"
sys.exit(1)
#
# Parse and validate the incorrect document
#
docstr="""<foo>
<label>some text</label>
<item>1000</item>
</foo>"""
err=""
# RNG errors are not as good as before , TODO
#expect="""RNG validity error: file error line 3 element text
#Type byte doesn't allow value '1000'
#RNG validity error: file error line 3 element text
#Error validating datatype byte
#RNG validity error: file error line 3 element text
#Element item failed to validate content
#"""
expect="""Type byte doesn't allow value '1000'
Error validating datatype byte
Element item failed to validate content
"""
def callback(ctx, str):
global err
err = err + "%s" % (str)
libxml2.registerErrorHandler(callback, "")
f = StringIO.StringIO(docstr)
input = libxml2.inputBuffer(f)
reader = input.newTextReader("error")
reader.RelaxNGSetSchema(rngs)
ret = reader.Read()
while ret == 1:
ret = reader.Read()
if ret != 0:
print "Error parsing the document"
sys.exit(1)
if reader.IsValid() != 0:
print "Document failed to detect the validation error"
sys.exit(1)
if err != expect:
print "Did not get the expected error message:"
print err
sys.exit(1)
#
# cleanup
#
del f
del input
del reader
del rngs
libxml2.relaxNGCleanupTypes()
# Memory debug specific
libxml2.cleanupParser()
if libxml2.debugMemory(1) == 0:
print "OK"
else:
print "Memory leak %d bytes" % (libxml2.debugMemory(1))
libxml2.dumpMemory()
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