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#!/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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