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xmllib.py
"""A parser for XML, using the derived class as static DTD.""" # Author: Sjoerd Mullender. import re import string import warnings warnings.warn("The xmllib module is obsolete. Use xml.sax instead.", DeprecationWarning, 2) del warnings version = '0.3' class Error(RuntimeError): pass # Regular expressions used for parsing _S = '[ \t\r\n]+' # white space _opS = '[ \t\r\n]*' # optional white space _Name = '[a-zA-Z_:][-a-zA-Z0-9._:]*' # valid XML name _QStr = "(?:'[^']*'|\"[^\"]*\")" # quoted XML string illegal = re.compile('[^\t\r\n -\176\240-\377]') # illegal chars in content interesting = re.compile('[]&<]') amp = re.compile('&') ref = re.compile('&(' + _Name + '|#[0-9]+|#x[0-9a-fA-F]+)[^-a-zA-Z0-9._:]') entityref = re.compile('&(?P<name>' + _Name + ')[^-a-zA-Z0-9._:]') charref = re.compile('&#(?P<char>[0-9]+[^0-9]|x[0-9a-fA-F]+[^0-9a-fA-F])') space = re.compile(_S + '$') newline = re.compile('\n') attrfind = re.compile( _S + '(?P<name>' + _Name + ')' '(' + _opS + '=' + _opS + '(?P<value>'+_QStr+'|[-a-zA-Z0-9.:+*%?!\(\)_#=~]+))?') starttagopen = re.compile('<' + _Name) starttagend = re.compile(_opS + '(?P<slash>/?)>') starttagmatch = re.compile('<(?P<tagname>'+_Name+')' '(?P<attrs>(?:'+attrfind.pattern+')*)'+ starttagend.pattern) endtagopen = re.compile('</') endbracket = re.compile(_opS + '>') endbracketfind = re.compile('(?:[^>\'"]|'+_QStr+')*>') tagfind = re.compile(_Name) cdataopen = re.compile(r'<!\[CDATA\[') cdataclose = re.compile(r'\]\]>') # this matches one of the following: # SYSTEM SystemLiteral # PUBLIC PubidLiteral SystemLiteral _SystemLiteral = '(?P<%s>'+_QStr+')' _PublicLiteral = '(?P<%s>"[-\'\(\)+,./:=?;!*#@$_%% \n\ra-zA-Z0-9]*"|' \ "'[-\(\)+,./:=?;!*#@$_%% \n\ra-zA-Z0-9]*')" _ExternalId = '(?:SYSTEM|' \ 'PUBLIC'+_S+_PublicLiteral%'pubid'+ \ ')'+_S+_SystemLiteral%'syslit' doctype = re.compile('<!DOCTYPE'+_S+'(?P<name>'+_Name+')' '(?:'+_S+_ExternalId+')?'+_opS) xmldecl = re.compile('<\?xml'+_S+ 'version'+_opS+'='+_opS+'(?P<version>'+_QStr+')'+ '(?:'+_S+'encoding'+_opS+'='+_opS+ "(?P<encoding>'[A-Za-z][-A-Za-z0-9._]*'|" '"[A-Za-z][-A-Za-z0-9._]*"))?' '(?:'+_S+'standalone'+_opS+'='+_opS+ '(?P<standalone>\'(?:yes|no)\'|"(?:yes|no)"))?'+ _opS+'\?>') procopen = re.compile(r'<\?(?P<proc>' + _Name + ')' + _opS) procclose = re.compile(_opS + r'\?>') commentopen = re.compile('<!--') commentclose = re.compile('-->') doubledash = re.compile('--') attrtrans = string.maketrans(' \r\n\t', ' ') # definitions for XML namespaces _NCName = '[a-zA-Z_][-a-zA-Z0-9._]*' # XML Name, minus the ":" ncname = re.compile(_NCName + '$') qname = re.compile('(?:(?P<prefix>' + _NCName + '):)?' # optional prefix '(?P<local>' + _NCName + ')$') xmlns = re.compile('xmlns(?::(?P<ncname>'+_NCName+'))?$') # XML parser base class -- find tags and call handler functions. # Usage: p = XMLParser(); p.feed(data); ...; p.close(). # The dtd is defined by deriving a class which defines methods with # special names to handle tags: start_foo and end_foo to handle <foo> # and </foo>, respectively. The data between tags is passed to the # parser by calling self.handle_data() with some data as argument (the # data may be split up in arbitrary chunks). class XMLParser: attributes = {} # default, to be overridden elements = {} # default, to be overridden # parsing options, settable using keyword args in __init__ __accept_unquoted_attributes = 0 __accept_missing_endtag_name = 0 __map_case = 0 __accept_utf8 = 0 __translate_attribute_references = 1 # Interface -- initialize and reset this instance def __init__(self, **kw): self.__fixed = 0 if 'accept_unquoted_attributes' in kw: self.__accept_unquoted_attributes = kw['accept_unquoted_attributes'] if 'accept_missing_endtag_name' in kw: self.__accept_missing_endtag_name = kw['accept_missing_endtag_name'] if 'map_case' in kw: self.__map_case = kw['map_case'] if 'accept_utf8' in kw: self.__accept_utf8 = kw['accept_utf8'] if 'translate_attribute_references' in kw: self.__translate_attribute_references = kw['translate_attribute_references'] self.reset() def __fixelements(self): self.__fixed = 1 self.elements = {} self.__fixdict(self.__dict__) self.__fixclass(self.__class__) def __fixclass(self, kl): self.__fixdict(kl.__dict__) for k in kl.__bases__: self.__fixclass(k) def __fixdict(self, dict): for key in dict.keys(): if key[:6] == 'start_': tag = key[6:] start, end = self.elements.get(tag, (None, None)) if start is None: self.elements[tag] = getattr(self, key), end elif key[:4] == 'end_': tag = key[4:] start, end = self.elements.get(tag, (None, None)) if end is None: self.elements[tag] = start, getattr(self, key) # Interface -- reset this instance. Loses all unprocessed data def reset(self): self.rawdata = '' self.stack = [] self.nomoretags = 0 self.literal = 0 self.lineno = 1 self.__at_start = 1 self.__seen_doctype = None self.__seen_starttag = 0 self.__use_namespaces = 0 self.__namespaces = {'xml':None} # xml is implicitly declared # backward compatibility hack: if elements not overridden, # fill it in ourselves if self.elements is XMLParser.elements: self.__fixelements() # For derived classes only -- enter literal mode (CDATA) till EOF def setnomoretags(self): self.nomoretags = self.literal = 1 # For derived classes only -- enter literal mode (CDATA) def setliteral(self, *args): self.literal = 1 # Interface -- feed some data to the parser. Call this as # often as you want, with as little or as much text as you # want (may include '\n'). (This just saves the text, all the # processing is done by goahead().) def feed(self, data): self.rawdata = self.rawdata + data self.goahead(0) # Interface -- handle the remaining data def close(self): self.goahead(1) if self.__fixed: self.__fixed = 0 # remove self.elements so that we don't leak del self.elements # Interface -- translate references def translate_references(self, data, all = 1): if not self.__translate_attribute_references: return data i = 0 while 1: res = amp.search(data, i) if res is None: return data s = res.start(0) res = ref.match(data, s) if res is None: self.syntax_error("bogus `&'") i = s+1 continue i = res.end(0) str = res.group(1) rescan = 0 if str[0] == '#': if str[1] == 'x': str = chr(int(str[2:], 16)) else: str = chr(int(str[1:])) if data[i - 1] != ';': self.syntax_error("`;' missing after char reference") i = i-1 elif all: if str in self.entitydefs: str = self.entitydefs[str] rescan = 1 elif data[i - 1] != ';': self.syntax_error("bogus `&'") i = s + 1 # just past the & continue else: self.syntax_error("reference to unknown entity `&%s;'" % str) str = '&' + str + ';' elif data[i - 1] != ';': self.syntax_error("bogus `&'") i = s + 1 # just past the & continue # when we get here, str contains the translated text and i points # to the end of the string that is to be replaced data = data[:s] + str + data[i:] if rescan: i = s else: i = s + len(str) # Interface - return a dictionary of all namespaces currently valid def getnamespace(self): nsdict = {} for t, d, nst in self.stack: nsdict.update(d) return nsdict # Internal -- handle data as far as reasonable. May leave state # and data to be processed by a subsequent call. If 'end' is # true, force handling all data as if followed by EOF marker. def goahead(self, end): rawdata = self.rawdata i = 0 n = len(rawdata) while i < n: if i > 0: self.__at_start = 0 if self.nomoretags: data = rawdata[i:n] self.handle_data(data) self.lineno = self.lineno + data.count('\n') i = n break res = interesting.search(rawdata, i) if res: j = res.start(0) else: j = n if i < j: data = rawdata[i:j] if self.__at_start and space.match(data) is None: self.syntax_error('illegal data at start of file') self.__at_start = 0 if not self.stack and space.match(data) is None: self.syntax_error('data not in content') if not self.__accept_utf8 and illegal.search(data): self.syntax_error('illegal character in content') self.handle_data(data) self.lineno = self.lineno + data.count('\n') i = j if i == n: break if rawdata[i] == '<': if starttagopen.match(rawdata, i): if self.literal: data = rawdata[i] self.handle_data(data) self.lineno = self.lineno + data.count('\n') i = i+1 continue k = self.parse_starttag(i) if k < 0: break self.__seen_starttag = 1 self.lineno = self.lineno + rawdata[i:k].count('\n') i = k continue if endtagopen.match(rawdata, i): k = self.parse_endtag(i) if k < 0: break self.lineno = self.lineno + rawdata[i:k].count('\n') i = k continue if commentopen.match(rawdata, i): if self.literal: data = rawdata[i] self.handle_data(data) self.lineno = self.lineno + data.count('\n') i = i+1 continue k = self.parse_comment(i) if k < 0: break self.lineno = self.lineno + rawdata[i:k].count('\n') i = k continue if cdataopen.match(rawdata, i): k = self.parse_cdata(i) if k < 0: break self.lineno = self.lineno + rawdata[i:k].count('\n') i = k continue res = xmldecl.match(rawdata, i) if res: if not self.__at_start: self.syntax_error("<?xml?> declaration not at start of document") version, encoding, standalone = res.group('version', 'encoding', 'standalone') if version[1:-1] != '1.0': raise Error('only XML version 1.0 supported') if encoding: encoding = encoding[1:-1] if standalone: standalone = standalone[1:-1] self.handle_xml(encoding, standalone) i = res.end(0) continue res = procopen.match(rawdata, i) if res: k = self.parse_proc(i) if k < 0: break self.lineno = self.lineno + rawdata[i:k].count('\n') i = k continue res = doctype.match(rawdata, i) if res: if self.literal: data = rawdata[i] self.handle_data(data) self.lineno = self.lineno + data.count('\n') i = i+1 continue if self.__seen_doctype: self.syntax_error('multiple DOCTYPE elements') if self.__seen_starttag: self.syntax_error('DOCTYPE not at beginning of document') k = self.parse_doctype(res) if k < 0: break self.__seen_doctype = res.group('name') if self.__map_case: self.__seen_doctype = self.__seen_doctype.lower() self.lineno = self.lineno + rawdata[i:k].count('\n') i = k continue elif rawdata[i] == '&': if self.literal: data = rawdata[i] self.handle_data(data) i = i+1 continue res = charref.match(rawdata, i) if res is not None: i = res.end(0) if rawdata[i-1] != ';': self.syntax_error("`;' missing in charref") i = i-1 if not self.stack: self.syntax_error('data not in content') self.handle_charref(res.group('char')[:-1]) self.lineno = self.lineno + res.group(0).count('\n') continue res = entityref.match(rawdata, i) if res is not None: i = res.end(0) if rawdata[i-1] != ';': self.syntax_error("`;' missing in entityref") i = i-1 name = res.group('name') if self.__map_case: name = name.lower() if name in self.entitydefs: self.rawdata = rawdata = rawdata[:res.start(0)] + self.entitydefs[name] + rawdata[i:] n = len(rawdata) i = res.start(0) else: self.unknown_entityref(name) self.lineno = self.lineno + res.group(0).count('\n') continue elif rawdata[i] == ']': if self.literal: data = rawdata[i] self.handle_data(data) i = i+1 continue if n-i < 3: break if cdataclose.match(rawdata, i): self.syntax_error("bogus `]]>'") self.handle_data(rawdata[i]) i = i+1 continue else: raise Error('neither < nor & ??') # We get here only if incomplete matches but # nothing else break # end while if i > 0: self.__at_start = 0 if end and i < n: data = rawdata[i] self.syntax_error("bogus `%s'" % data) if not self.__accept_utf8 and illegal.search(data): self.syntax_error('illegal character in content') self.handle_data(data) self.lineno = self.lineno + data.count('\n') self.rawdata = rawdata[i+1:] return self.goahead(end) self.rawdata = rawdata[i:] if end: if not self.__seen_starttag: self.syntax_error('no elements in file') if self.stack: self.syntax_error('missing end tags') while self.stack: self.finish_endtag(self.stack[-1][0]) # Internal -- parse comment, return length or -1 if not terminated def parse_comment(self, i): rawdata = self.rawdata if rawdata[i:i+4] != '<!--': raise Error('unexpected call to handle_comment') res = commentclose.search(rawdata, i+4) if res is None: return -1 if doubledash.search(rawdata, i+4, res.start(0)): self.syntax_error("`--' inside comment") if rawdata[res.start(0)-1] == '-': self.syntax_error('comment cannot end in three dashes') if not self.__accept_utf8 and \ illegal.search(rawdata, i+4, res.start(0)): self.syntax_error('illegal character in comment') self.handle_comment(rawdata[i+4: res.start(0)]) return res.end(0) # Internal -- handle DOCTYPE tag, return length or -1 if not terminated def parse_doctype(self, res): rawdata = self.rawdata n = len(rawdata) name = res.group('name') if self.__map_case: name = name.lower() pubid, syslit = res.group('pubid', 'syslit') if pubid is not None: pubid = pubid[1:-1] # remove quotes pubid = ' '.join(pubid.split()) # normalize if syslit is not None: syslit = syslit[1:-1] # remove quotes j = k = res.end(0) if k >= n: return -1 if rawdata[k] == '[': level = 0 k = k+1 dq = sq = 0 while k < n: c = rawdata[k] if not sq and c == '"': dq = not dq elif not dq and c == "'": sq = not sq elif sq or dq: pass elif level <= 0 and c == ']': res = endbracket.match(rawdata, k+1) if res is None: return -1 self.handle_doctype(name, pubid, syslit, rawdata[j+1:k]) return res.end(0) elif c == '<': level = level + 1 elif c == '>': level = level - 1 if level < 0: self.syntax_error("bogus `>' in DOCTYPE") k = k+1 res = endbracketfind.match(rawdata, k) if res is None: return -1 if endbracket.match(rawdata, k) is None: self.syntax_error('garbage in DOCTYPE') self.handle_doctype(name, pubid, syslit, None) return res.end(0) # Internal -- handle CDATA tag, return length or -1 if not terminated def parse_cdata(self, i): rawdata = self.rawdata if rawdata[i:i+9] != '<![CDATA[': raise Error('unexpected call to parse_cdata') res = cdataclose.search(rawdata, i+9) if res is None: return -1 if not self.__accept_utf8 and \ illegal.search(rawdata, i+9, res.start(0)): self.syntax_error('illegal character in CDATA') if not self.stack: self.syntax_error('CDATA not in content') self.handle_cdata(rawdata[i+9:res.start(0)]) return res.end(0) __xml_namespace_attributes = {'ns':None, 'src':None, 'prefix':None} # Internal -- handle a processing instruction tag def parse_proc(self, i): rawdata = self.rawdata end = procclose.search(rawdata, i) if end is None: return -1 j = end.start(0) if not self.__accept_utf8 and illegal.search(rawdata, i+2, j): self.syntax_error('illegal character in processing instruction') res = tagfind.match(rawdata, i+2) if res is None: raise Error('unexpected call to parse_proc') k = res.end(0) name = res.group(0) if self.__map_case: name = name.lower() if name == 'xml:namespace': self.syntax_error('old-fashioned namespace declaration') self.__use_namespaces = -1 # namespace declaration # this must come after the <?xml?> declaration (if any) # and before the <!DOCTYPE> (if any). if self.__seen_doctype or self.__seen_starttag: self.syntax_error('xml:namespace declaration too late in document') attrdict, namespace, k = self.parse_attributes(name, k, j) if namespace: self.syntax_error('namespace declaration inside namespace declaration') for attrname in attrdict.keys(): if not attrname in self.__xml_namespace_attributes: self.syntax_error("unknown attribute `%s' in xml:namespace tag" % attrname) if not 'ns' in attrdict or not 'prefix' in attrdict: self.syntax_error('xml:namespace without required attributes') prefix = attrdict.get('prefix') if ncname.match(prefix) is None: self.syntax_error('xml:namespace illegal prefix value') return end.end(0) if prefix in self.__namespaces: self.syntax_error('xml:namespace prefix not unique') self.__namespaces[prefix] = attrdict['ns'] else: if name.lower() == 'xml': self.syntax_error('illegal processing instruction target name') self.handle_proc(name, rawdata[k:j]) return end.end(0) # Internal -- parse attributes between i and j def parse_attributes(self, tag, i, j): rawdata = self.rawdata attrdict = {} namespace = {} while i < j: res = attrfind.match(rawdata, i) if res is None: break attrname, attrvalue = res.group('name', 'value') if self.__map_case: attrname = attrname.lower() i = res.end(0) if attrvalue is None: self.syntax_error("no value specified for attribute `%s'" % attrname) attrvalue = attrname elif attrvalue[:1] == "'" == attrvalue[-1:] or \ attrvalue[:1] == '"' == attrvalue[-1:]: attrvalue = attrvalue[1:-1] elif not self.__accept_unquoted_attributes: self.syntax_error("attribute `%s' value not quoted" % attrname) res = xmlns.match(attrname) if res is not None: # namespace declaration ncname = res.group('ncname') namespace[ncname or ''] = attrvalue or None if not self.__use_namespaces: self.__use_namespaces = len(self.stack)+1 continue if '<' in attrvalue: self.syntax_error("`<' illegal in attribute value") if attrname in attrdict: self.syntax_error("attribute `%s' specified twice" % attrname) attrvalue = attrvalue.translate(attrtrans) attrdict[attrname] = self.translate_references(attrvalue) return attrdict, namespace, i # Internal -- handle starttag, return length or -1 if not terminated def parse_starttag(self, i): rawdata = self.rawdata # i points to start of tag end = endbracketfind.match(rawdata, i+1) if end is None: return -1 tag = starttagmatch.match(rawdata, i) if tag is None or tag.end(0) != end.end(0): self.syntax_error('garbage in starttag') return end.end(0) nstag = tagname = tag.group('tagname') if self.__map_case: nstag = tagname = nstag.lower() if not self.__seen_starttag and self.__seen_doctype and \ tagname != self.__seen_doctype: self.syntax_error('starttag does not match DOCTYPE') if self.__seen_starttag and not self.stack: self.syntax_error('multiple elements on top level') k, j = tag.span('attrs') attrdict, nsdict, k = self.parse_attributes(tagname, k, j) self.stack.append((tagname, nsdict, nstag)) if self.__use_namespaces: res = qname.match(tagname) else: res = None if res is not None: prefix, nstag = res.group('prefix', 'local') if prefix is None: prefix = '' ns = None for t, d, nst in self.stack: if prefix in d: ns = d[prefix] if ns is None and prefix != '': ns = self.__namespaces.get(prefix) if ns is not None: nstag = ns + ' ' + nstag elif prefix != '': nstag = prefix + ':' + nstag # undo split self.stack[-1] = tagname, nsdict, nstag # translate namespace of attributes attrnamemap = {} # map from new name to old name (used for error reporting) for key in attrdict.keys(): attrnamemap[key] = key if self.__use_namespaces: nattrdict = {} for key, val in attrdict.items(): okey = key res = qname.match(key) if res is not None: aprefix, key = res.group('prefix', 'local') if self.__map_case: key = key.lower() if aprefix is not None: ans = None for t, d, nst in self.stack: if aprefix in d: ans = d[aprefix] if ans is None: ans = self.__namespaces.get(aprefix) if ans is not None: key = ans + ' ' + key else: key = aprefix + ':' + key nattrdict[key] = val attrnamemap[key] = okey attrdict = nattrdict attributes = self.attributes.get(nstag) if attributes is not None: for key in attrdict.keys(): if not key in attributes: self.syntax_error("unknown attribute `%s' in tag `%s'" % (attrnamemap[key], tagname)) for key, val in attributes.items(): if val is not None and not key in attrdict: attrdict[key] = val method = self.elements.get(nstag, (None, None))[0] self.finish_starttag(nstag, attrdict, method) if tag.group('slash') == '/': self.finish_endtag(tagname) return tag.end(0) # Internal -- parse endtag def parse_endtag(self, i): rawdata = self.rawdata end = endbracketfind.match(rawdata, i+1) if end is None: return -1 res = tagfind.match(rawdata, i+2) if res is None: if self.literal: self.handle_data(rawdata[i]) return i+1 if not self.__accept_missing_endtag_name: self.syntax_error('no name specified in end tag') tag = self.stack[-1][0] k = i+2 else: tag = res.group(0) if self.__map_case: tag = tag.lower() if self.literal: if not self.stack or tag != self.stack[-1][0]: self.handle_data(rawdata[i]) return i+1 k = res.end(0) if endbracket.match(rawdata, k) is None: self.syntax_error('garbage in end tag') self.finish_endtag(tag) return end.end(0) # Internal -- finish processing of start tag def finish_starttag(self, tagname, attrdict, method): if method is not None: self.handle_starttag(tagname, method, attrdict) else: self.unknown_starttag(tagname, attrdict) # Internal -- finish processing of end tag def finish_endtag(self, tag): self.literal = 0 if not tag: self.syntax_error('name-less end tag') found = len(self.stack) - 1 if found < 0: self.unknown_endtag(tag) return else: found = -1 for i in range(len(self.stack)): if tag == self.stack[i][0]: found = i if found == -1: self.syntax_error('unopened end tag') return while len(self.stack) > found: if found < len(self.stack) - 1: self.syntax_error('missing close tag for %s' % self.stack[-1][2]) nstag = self.stack[-1][2] method = self.elements.get(nstag, (None, None))[1] if method is not None: self.handle_endtag(nstag, method) else: self.unknown_endtag(nstag) if self.__use_namespaces == len(self.stack): self.__use_namespaces = 0 del self.stack[-1] # Overridable -- handle xml processing instruction def handle_xml(self, encoding, standalone): pass # Overridable -- handle DOCTYPE def handle_doctype(self, tag, pubid, syslit, data): pass # Overridable -- handle start tag def handle_starttag(self, tag, method, attrs): method(attrs) # Overridable -- handle end tag def handle_endtag(self, tag, method): method() # Example -- handle character reference, no need to override def handle_charref(self, name): try: if name[0] == 'x': n = int(name[1:], 16) else: n = int(name) except ValueError: self.unknown_charref(name) return if not 0 <= n <= 255: self.unknown_charref(name) return self.handle_data(chr(n)) # Definition of entities -- derived classes may override entitydefs = {'lt': '<', # must use charref 'gt': '>', 'amp': '&', # must use charref 'quot': '"', 'apos': ''', } # Example -- handle data, should be overridden def handle_data(self, data): pass # Example -- handle cdata, could be overridden def handle_cdata(self, data): pass # Example -- handle comment, could be overridden def handle_comment(self, data): pass # Example -- handle processing instructions, could be overridden def handle_proc(self, name, data): pass # Example -- handle relatively harmless syntax errors, could be overridden def syntax_error(self, message): raise Error('Syntax error at line %d: %s' % (self.lineno, message)) # To be overridden -- handlers for unknown objects def unknown_starttag(self, tag, attrs): pass def unknown_endtag(self, tag): pass def unknown_charref(self, ref): pass def unknown_entityref(self, name): self.syntax_error("reference to unknown entity `&%s;'" % name) class TestXMLParser(XMLParser): def __init__(self, **kw): self.testdata = "" XMLParser.__init__(self, **kw) def handle_xml(self, encoding, standalone): self.flush() print 'xml: encoding =',encoding,'standalone =',standalone def handle_doctype(self, tag, pubid, syslit, data): self.flush() print 'DOCTYPE:',tag, repr(data) def handle_data(self, data): self.testdata = self.testdata + data if len(repr(self.testdata)) >= 70: self.flush() def flush(self): data = self.testdata if data: self.testdata = "" print 'data:', repr(data) def handle_cdata(self, data): self.flush() print 'cdata:', repr(data) def handle_proc(self, name, data): self.flush() print 'processing:',name,repr(data) def handle_comment(self, data): self.flush() r = repr(data) if len(r) > 68: r = r[:32] + '...' + r[-32:] print 'comment:', r def syntax_error(self, message): print 'error at line %d:' % self.lineno, message def unknown_starttag(self, tag, attrs): self.flush() if not attrs: print 'start tag: <' + tag + '>' else: print 'start tag: <' + tag, for name, value in attrs.items(): print name + '=' + '"' + value + '"', print '>' def unknown_endtag(self, tag): self.flush() print 'end tag: </' + tag + '>' def unknown_entityref(self, ref): self.flush() print '*** unknown entity ref: &' + ref + ';' def unknown_charref(self, ref): self.flush() print '*** unknown char ref: &#' + ref + ';' def close(self): XMLParser.close(self) self.flush() def test(args = None): import sys, getopt from time import time if not args: args = sys.argv[1:] opts, args = getopt.getopt(args, 'st') klass = TestXMLParser do_time = 0 for o, a in opts: if o == '-s': klass = XMLParser elif o == '-t': do_time = 1 if args: file = args[0] else: file = 'test.xml' if file == '-': f = sys.stdin else: try: f = open(file, 'r') except IOError, msg: print file, ":", msg sys.exit(1) data = f.read() if f is not sys.stdin: f.close() x = klass() t0 = time() try: if do_time: x.feed(data) x.close() else: for c in data: x.feed(c) x.close() except Error, msg: t1 = time() print msg if do_time: print 'total time: %g' % (t1-t0) sys.exit(1) t1 = time() if do_time: print 'total time: %g' % (t1-t0) if __name__ == '__main__': test()
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