home *** CD-ROM | disk | FTP | other *** search
- # Very simple test - Parse a file and print what happens
-
- # XXX TypeErrors on calling handlers, or on bad return values from a
- # handler, are obscure and unhelpful.
-
- import pyexpat
- from xml.parsers import expat
-
- from test.test_support import sortdict, TestFailed
-
- class Outputter:
- def StartElementHandler(self, name, attrs):
- print 'Start element:\n\t', repr(name), sortdict(attrs)
-
- def EndElementHandler(self, name):
- print 'End element:\n\t', repr(name)
-
- def CharacterDataHandler(self, data):
- data = data.strip()
- if data:
- print 'Character data:'
- print '\t', repr(data)
-
- def ProcessingInstructionHandler(self, target, data):
- print 'PI:\n\t', repr(target), repr(data)
-
- def StartNamespaceDeclHandler(self, prefix, uri):
- print 'NS decl:\n\t', repr(prefix), repr(uri)
-
- def EndNamespaceDeclHandler(self, prefix):
- print 'End of NS decl:\n\t', repr(prefix)
-
- def StartCdataSectionHandler(self):
- print 'Start of CDATA section'
-
- def EndCdataSectionHandler(self):
- print 'End of CDATA section'
-
- def CommentHandler(self, text):
- print 'Comment:\n\t', repr(text)
-
- def NotationDeclHandler(self, *args):
- name, base, sysid, pubid = args
- print 'Notation declared:', args
-
- def UnparsedEntityDeclHandler(self, *args):
- entityName, base, systemId, publicId, notationName = args
- print 'Unparsed entity decl:\n\t', args
-
- def NotStandaloneHandler(self, userData):
- print 'Not standalone'
- return 1
-
- def ExternalEntityRefHandler(self, *args):
- context, base, sysId, pubId = args
- print 'External entity ref:', args[1:]
- return 1
-
- def DefaultHandler(self, userData):
- pass
-
- def DefaultHandlerExpand(self, userData):
- pass
-
-
- def confirm(ok):
- if ok:
- print "OK."
- else:
- print "Not OK."
-
- out = Outputter()
- parser = expat.ParserCreate(namespace_separator='!')
-
- # Test getting/setting returns_unicode
- parser.returns_unicode = 0; confirm(parser.returns_unicode == 0)
- parser.returns_unicode = 1; confirm(parser.returns_unicode == 1)
- parser.returns_unicode = 2; confirm(parser.returns_unicode == 1)
- parser.returns_unicode = 0; confirm(parser.returns_unicode == 0)
-
- # Test getting/setting ordered_attributes
- parser.ordered_attributes = 0; confirm(parser.ordered_attributes == 0)
- parser.ordered_attributes = 1; confirm(parser.ordered_attributes == 1)
- parser.ordered_attributes = 2; confirm(parser.ordered_attributes == 1)
- parser.ordered_attributes = 0; confirm(parser.ordered_attributes == 0)
-
- # Test getting/setting specified_attributes
- parser.specified_attributes = 0; confirm(parser.specified_attributes == 0)
- parser.specified_attributes = 1; confirm(parser.specified_attributes == 1)
- parser.specified_attributes = 2; confirm(parser.specified_attributes == 1)
- parser.specified_attributes = 0; confirm(parser.specified_attributes == 0)
-
- HANDLER_NAMES = [
- 'StartElementHandler', 'EndElementHandler',
- 'CharacterDataHandler', 'ProcessingInstructionHandler',
- 'UnparsedEntityDeclHandler', 'NotationDeclHandler',
- 'StartNamespaceDeclHandler', 'EndNamespaceDeclHandler',
- 'CommentHandler', 'StartCdataSectionHandler',
- 'EndCdataSectionHandler',
- 'DefaultHandler', 'DefaultHandlerExpand',
- #'NotStandaloneHandler',
- 'ExternalEntityRefHandler'
- ]
- for name in HANDLER_NAMES:
- setattr(parser, name, getattr(out, name))
-
- data = '''\
- <?xml version="1.0" encoding="iso-8859-1" standalone="no"?>
- <?xml-stylesheet href="stylesheet.css"?>
- <!-- comment data -->
- <!DOCTYPE quotations SYSTEM "quotations.dtd" [
- <!ELEMENT root ANY>
- <!NOTATION notation SYSTEM "notation.jpeg">
- <!ENTITY acirc "â">
- <!ENTITY external_entity SYSTEM "entity.file">
- <!ENTITY unparsed_entity SYSTEM "entity.file" NDATA notation>
- %unparsed_entity;
- ]>
-
- <root attr1="value1" attr2="value2ὀ">
- <myns:subelement xmlns:myns="http://www.python.org/namespace">
- Contents of subelements
- </myns:subelement>
- <sub2><![CDATA[contents of CDATA section]]></sub2>
- &external_entity;
- </root>
- '''
-
- # Produce UTF-8 output
- parser.returns_unicode = 0
- try:
- parser.Parse(data, 1)
- except expat.error:
- print '** Error', parser.ErrorCode, expat.ErrorString(parser.ErrorCode)
- print '** Line', parser.ErrorLineNumber
- print '** Column', parser.ErrorColumnNumber
- print '** Byte', parser.ErrorByteIndex
-
- # Try the parse again, this time producing Unicode output
- parser = expat.ParserCreate(namespace_separator='!')
- parser.returns_unicode = 1
-
- for name in HANDLER_NAMES:
- setattr(parser, name, getattr(out, name))
- try:
- parser.Parse(data, 1)
- except expat.error:
- print '** Error', parser.ErrorCode, expat.ErrorString(parser.ErrorCode)
- print '** Line', parser.ErrorLineNumber
- print '** Column', parser.ErrorColumnNumber
- print '** Byte', parser.ErrorByteIndex
-
- # Try parsing a file
- parser = expat.ParserCreate(namespace_separator='!')
- parser.returns_unicode = 1
-
- for name in HANDLER_NAMES:
- setattr(parser, name, getattr(out, name))
- import StringIO
- file = StringIO.StringIO(data)
- try:
- parser.ParseFile(file)
- except expat.error:
- print '** Error', parser.ErrorCode, expat.ErrorString(parser.ErrorCode)
- print '** Line', parser.ErrorLineNumber
- print '** Column', parser.ErrorColumnNumber
- print '** Byte', parser.ErrorByteIndex
-
-
- # Tests that make sure we get errors when the namespace_separator value
- # is illegal, and that we don't for good values:
- print
- print "Testing constructor for proper handling of namespace_separator values:"
- expat.ParserCreate()
- expat.ParserCreate(namespace_separator=None)
- expat.ParserCreate(namespace_separator=' ')
- print "Legal values tested o.k."
- try:
- expat.ParserCreate(namespace_separator=42)
- except TypeError, e:
- print "Caught expected TypeError:"
- print e
- else:
- print "Failed to catch expected TypeError."
-
- try:
- expat.ParserCreate(namespace_separator='too long')
- except ValueError, e:
- print "Caught expected ValueError:"
- print e
- else:
- print "Failed to catch expected ValueError."
-
- # ParserCreate() needs to accept a namespace_separator of zero length
- # to satisfy the requirements of RDF applications that are required
- # to simply glue together the namespace URI and the localname. Though
- # considered a wart of the RDF specifications, it needs to be supported.
- #
- # See XML-SIG mailing list thread starting with
- # http://mail.python.org/pipermail/xml-sig/2001-April/005202.html
- #
- expat.ParserCreate(namespace_separator='') # too short
-
- # Test the interning machinery.
- p = expat.ParserCreate()
- L = []
- def collector(name, *args):
- L.append(name)
- p.StartElementHandler = collector
- p.EndElementHandler = collector
- p.Parse("<e> <e/> <e></e> </e>", 1)
- tag = L[0]
- if len(L) != 6:
- print "L should only contain 6 entries; found", len(L)
- for entry in L:
- if tag is not entry:
- print "expected L to contain many references to the same string",
- print "(it didn't)"
- print "L =", `L`
- break
-
- # Tests of the buffer_text attribute.
- import sys
-
- class TextCollector:
- def __init__(self, parser):
- self.stuff = []
-
- def check(self, expected, label):
- require(self.stuff == expected,
- "%s\nstuff = %s\nexpected = %s"
- % (label, `self.stuff`, `map(unicode, expected)`))
-
- def CharacterDataHandler(self, text):
- self.stuff.append(text)
-
- def StartElementHandler(self, name, attrs):
- self.stuff.append("<%s>" % name)
- bt = attrs.get("buffer-text")
- if bt == "yes":
- parser.buffer_text = 1
- elif bt == "no":
- parser.buffer_text = 0
-
- def EndElementHandler(self, name):
- self.stuff.append("</%s>" % name)
-
- def CommentHandler(self, data):
- self.stuff.append("<!--%s-->" % data)
-
- def require(cond, label):
- # similar to confirm(), but no extraneous output
- if not cond:
- raise TestFailed(label)
-
- def setup(handlers=[]):
- parser = expat.ParserCreate()
- require(not parser.buffer_text,
- "buffer_text not disabled by default")
- parser.buffer_text = 1
- handler = TextCollector(parser)
- parser.CharacterDataHandler = handler.CharacterDataHandler
- for name in handlers:
- setattr(parser, name, getattr(handler, name))
- return parser, handler
-
- parser, handler = setup()
- require(parser.buffer_text,
- "text buffering either not acknowledged or not enabled")
- parser.Parse("<a>1<b/>2<c/>3</a>", 1)
- handler.check(["123"],
- "buffered text not properly collapsed")
-
- # XXX This test exposes more detail of Expat's text chunking than we
- # XXX like, but it tests what we need to concisely.
- parser, handler = setup(["StartElementHandler"])
- parser.Parse("<a>1<b buffer-text='no'/>2\n3<c buffer-text='yes'/>4\n5</a>", 1)
- handler.check(["<a>", "1", "<b>", "2", "\n", "3", "<c>", "4\n5"],
- "buffering control not reacting as expected")
-
- parser, handler = setup()
- parser.Parse("<a>1<b/><2><c/> \n 3</a>", 1)
- handler.check(["1<2> \n 3"],
- "buffered text not properly collapsed")
-
- parser, handler = setup(["StartElementHandler"])
- parser.Parse("<a>1<b/>2<c/>3</a>", 1)
- handler.check(["<a>", "1", "<b>", "2", "<c>", "3"],
- "buffered text not properly split")
-
- parser, handler = setup(["StartElementHandler", "EndElementHandler"])
- parser.CharacterDataHandler = None
- parser.Parse("<a>1<b/>2<c/>3</a>", 1)
- handler.check(["<a>", "<b>", "</b>", "<c>", "</c>", "</a>"],
- "huh?")
-
- parser, handler = setup(["StartElementHandler", "EndElementHandler"])
- parser.Parse("<a>1<b></b>2<c/>3</a>", 1)
- handler.check(["<a>", "1", "<b>", "</b>", "2", "<c>", "</c>", "3", "</a>"],
- "huh?")
-
- parser, handler = setup(["CommentHandler", "EndElementHandler",
- "StartElementHandler"])
- parser.Parse("<a>1<b/>2<c></c>345</a> ", 1)
- handler.check(["<a>", "1", "<b>", "</b>", "2", "<c>", "</c>", "345", "</a>"],
- "buffered text not properly split")
-
- parser, handler = setup(["CommentHandler", "EndElementHandler",
- "StartElementHandler"])
- parser.Parse("<a>1<b/>2<c></c>3<!--abc-->4<!--def-->5</a> ", 1)
- handler.check(["<a>", "1", "<b>", "</b>", "2", "<c>", "</c>", "3",
- "<!--abc-->", "4", "<!--def-->", "5", "</a>"],
- "buffered text not properly split")
-