Current File : //usr/share/doc/libxml2-python-2.9.1/reader6.py
#!/usr/bin/python -u
#
# this tests the entities substitutions with the XmlTextReader interface
#
import sys
import libxml2
try:
import StringIO
str_io = StringIO.StringIO
except:
import io
str_io = io.StringIO
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 = str_io(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 = str_io(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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