From 45e2fbc2e70ef28b1f0327207f33dab3a4e825c5 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Thu, 26 Mar 1998 21:13:24 +0000
Subject: Mass check-in after untabifying all files that need it.

---
 Lib/xmllib.py | 912 +++++++++++++++++++++++++++++-----------------------------
 1 file changed, 456 insertions(+), 456 deletions(-)

(limited to 'Lib/xmllib.py')

diff --git a/Lib/xmllib.py b/Lib/xmllib.py
index 9f6e23ecca..6d7f1d1bd9 100644
--- a/Lib/xmllib.py
+++ b/Lib/xmllib.py
@@ -12,10 +12,10 @@ _opS = '[ \t\r\n]*'
 _Name = '[a-zA-Z_:][-a-zA-Z0-9._:]*'
 interesting = re.compile('[&<]')
 incomplete = re.compile('&(' + _Name + '|#[0-9]*|#x[0-9a-fA-F]*)?|'
-			   '<([a-zA-Z_:][^<>]*|'
-			      '/([a-zA-Z_:][^<>]*)?|'
-			      '![^<>]*|'
-			      r'\?[^<>]*)?')
+                           '<([a-zA-Z_:][^<>]*|'
+                              '/([a-zA-Z_:][^<>]*)?|'
+                              '![^<>]*|'
+                              r'\?[^<>]*)?')
 
 ref = re.compile('&(' + _Name + '|#[0-9]+|#x[0-9a-fA-F]+);?')
 entityref = re.compile('&(?P<name>' + _Name + ')[^-a-zA-Z0-9._:]')
@@ -57,497 +57,497 @@ class XMLParser:
 
     # Interface -- initialize and reset this instance
     def __init__(self, verbose=0):
-	self.verbose = verbose
-	self.reset()
+        self.verbose = verbose
+        self.reset()
 
     # 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.rawdata = ''
+        self.stack = []
+        self.nomoretags = 0
+        self.literal = 0
+        self.lineno = 1
+        self.__at_start = 1
+        self.__seen_doctype = None
+        self.__seen_starttag = 0
 
     # For derived classes only -- enter literal mode (CDATA) till EOF
     def setnomoretags(self):
-	self.nomoretags = self.literal = 1
+        self.nomoretags = self.literal = 1
 
     # For derived classes only -- enter literal mode (CDATA)
     def setliteral(self, *args):
-	self.literal = 1
+        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)
+        self.rawdata = self.rawdata + data
+        self.goahead(0)
 
     # Interface -- handle the remaining data
     def close(self):
-	self.goahead(1)
+        self.goahead(1)
 
     # Interface -- translate references
     def translate_references(self, data):
-	newdata = []
-	i = 0
-	while 1:
-	    res = ref.search(data, i)
-	    if res is None:
-		newdata.append(data[i:])
-		return string.join(newdata, '')
-	    if data[res.end(0) - 1] != ';':
-		self.syntax_error("`;' missing after entity/char reference")
-	    newdata.append(data[i:res.start(0)])
-	    str = res.group(1)
-	    if str[0] == '#':
-		if str[1] == 'x':
-		    newdata.append(chr(string.atoi(str[2:], 16)))
-		else:
-		    newdata.append(chr(string.atoi(str[1:])))
-	    else:
-		try:
-		    newdata.append(self.entitydefs[str])
-		except KeyError:
-		    # can't do it, so keep the entity ref in
-		    newdata.append('&' + str + ';')
-	    i = res.end(0)
+        newdata = []
+        i = 0
+        while 1:
+            res = ref.search(data, i)
+            if res is None:
+                newdata.append(data[i:])
+                return string.join(newdata, '')
+            if data[res.end(0) - 1] != ';':
+                self.syntax_error("`;' missing after entity/char reference")
+            newdata.append(data[i:res.start(0)])
+            str = res.group(1)
+            if str[0] == '#':
+                if str[1] == 'x':
+                    newdata.append(chr(string.atoi(str[2:], 16)))
+                else:
+                    newdata.append(chr(string.atoi(str[1:])))
+            else:
+                try:
+                    newdata.append(self.entitydefs[str])
+                except KeyError:
+                    # can't do it, so keep the entity ref in
+                    newdata.append('&' + str + ';')
+            i = res.end(0)
 
     # 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 + string.count(data, '\n')
-		i = n
-		break
-	    res = interesting.search(rawdata, i)
-	    if res:
-		    j = res.start(0)
-	    else:
-		    j = n
-	    if i < j:
-		self.__at_start = 0
-		data = rawdata[i:j]
-		self.handle_data(data)
-		self.lineno = self.lineno + string.count(data, '\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 + string.count(data, '\n')
-			i = i+1
-			continue
-		    k = self.parse_starttag(i)
-		    if k < 0: break
-		    self.__seen_starttag = 1
-		    self.lineno = self.lineno + string.count(rawdata[i:k], '\n')
-		    i = k
-		    continue
-		if endtagopen.match(rawdata, i):
-		    k = self.parse_endtag(i)
-		    if k < 0: break
-		    self.lineno = self.lineno + string.count(rawdata[i:k], '\n')
-		    i =  k
-		    self.literal = 0
-		    continue
-		if commentopen.match(rawdata, i):
-		    if self.literal:
-			data = rawdata[i]
-			self.handle_data(data)
-			self.lineno = self.lineno + string.count(data, '\n')
-			i = i+1
-			continue
-		    k = self.parse_comment(i)
-		    if k < 0: break
-		    self.lineno = self.lineno + string.count(rawdata[i:k], '\n')
-		    i = k
-		    continue
-		if cdataopen.match(rawdata, i):
-		    k = self.parse_cdata(i)
-		    if k < 0: break
-		    self.lineno = self.lineno + string.count(rawdata[i:i], '\n')
-		    i = k
-		    continue
-		res = procopen.match(rawdata, i)
-		if res:
-		    k = self.parse_proc(i)
-		    if k < 0: break
-		    self.lineno = self.lineno + string.count(rawdata[i:k], '\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 + string.count(data, '\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')
-		    self.lineno = self.lineno + string.count(rawdata[i:k], '\n')
-		    i = k
-		    continue
-		res = special.match(rawdata, i)
-		if res:
-		    if self.literal:
-			data = rawdata[i]
-			self.handle_data(data)
-			self.lineno = self.lineno + string.count(data, '\n')
-			i = i+1
-			continue
-		    self.handle_special(res.group('special'))
-		    self.lineno = self.lineno + string.count(res.group(0), '\n')
-		    i = res.end(0)
-		    continue
-	    elif rawdata[i] == '&':
-		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
-		    self.handle_charref(res.group('char')[:-1])
-		    self.lineno = self.lineno + string.count(res.group(0), '\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
-		    self.handle_entityref(res.group('name'))
-		    self.lineno = self.lineno + string.count(res.group(0), '\n')
-		    continue
-	    else:
-		raise RuntimeError, 'neither < nor & ??'
-	    # We get here only if incomplete matches but
-	    # nothing else
-	    res = incomplete.match(rawdata, i)
-	    if not res:
-		data = rawdata[i]
-		self.handle_data(data)
-		self.lineno = self.lineno + string.count(data, '\n')
-		i = i+1
-		continue
-	    j = res.end(0)
-	    if j == n:
-		break # Really incomplete
-	    self.syntax_error("bogus `<' or `&'")
-	    data = res.group(0)
-	    self.handle_data(data)
-	    self.lineno = self.lineno + string.count(data, '\n')
-	    i = j
-	# end while
-	if end and i < n:
-	    data = rawdata[i:n]
-	    self.handle_data(data)
-	    self.lineno = self.lineno + string.count(data, '\n')
-	    i = n
-	self.rawdata = rawdata[i:]
-	if end:
-	    if self.stack:
-		self.syntax_error('missing end tags')
-		while self.stack:
-		    self.finish_endtag(self.stack[-1])
+        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 + string.count(data, '\n')
+                i = n
+                break
+            res = interesting.search(rawdata, i)
+            if res:
+                    j = res.start(0)
+            else:
+                    j = n
+            if i < j:
+                self.__at_start = 0
+                data = rawdata[i:j]
+                self.handle_data(data)
+                self.lineno = self.lineno + string.count(data, '\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 + string.count(data, '\n')
+                        i = i+1
+                        continue
+                    k = self.parse_starttag(i)
+                    if k < 0: break
+                    self.__seen_starttag = 1
+                    self.lineno = self.lineno + string.count(rawdata[i:k], '\n')
+                    i = k
+                    continue
+                if endtagopen.match(rawdata, i):
+                    k = self.parse_endtag(i)
+                    if k < 0: break
+                    self.lineno = self.lineno + string.count(rawdata[i:k], '\n')
+                    i =  k
+                    self.literal = 0
+                    continue
+                if commentopen.match(rawdata, i):
+                    if self.literal:
+                        data = rawdata[i]
+                        self.handle_data(data)
+                        self.lineno = self.lineno + string.count(data, '\n')
+                        i = i+1
+                        continue
+                    k = self.parse_comment(i)
+                    if k < 0: break
+                    self.lineno = self.lineno + string.count(rawdata[i:k], '\n')
+                    i = k
+                    continue
+                if cdataopen.match(rawdata, i):
+                    k = self.parse_cdata(i)
+                    if k < 0: break
+                    self.lineno = self.lineno + string.count(rawdata[i:i], '\n')
+                    i = k
+                    continue
+                res = procopen.match(rawdata, i)
+                if res:
+                    k = self.parse_proc(i)
+                    if k < 0: break
+                    self.lineno = self.lineno + string.count(rawdata[i:k], '\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 + string.count(data, '\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')
+                    self.lineno = self.lineno + string.count(rawdata[i:k], '\n')
+                    i = k
+                    continue
+                res = special.match(rawdata, i)
+                if res:
+                    if self.literal:
+                        data = rawdata[i]
+                        self.handle_data(data)
+                        self.lineno = self.lineno + string.count(data, '\n')
+                        i = i+1
+                        continue
+                    self.handle_special(res.group('special'))
+                    self.lineno = self.lineno + string.count(res.group(0), '\n')
+                    i = res.end(0)
+                    continue
+            elif rawdata[i] == '&':
+                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
+                    self.handle_charref(res.group('char')[:-1])
+                    self.lineno = self.lineno + string.count(res.group(0), '\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
+                    self.handle_entityref(res.group('name'))
+                    self.lineno = self.lineno + string.count(res.group(0), '\n')
+                    continue
+            else:
+                raise RuntimeError, 'neither < nor & ??'
+            # We get here only if incomplete matches but
+            # nothing else
+            res = incomplete.match(rawdata, i)
+            if not res:
+                data = rawdata[i]
+                self.handle_data(data)
+                self.lineno = self.lineno + string.count(data, '\n')
+                i = i+1
+                continue
+            j = res.end(0)
+            if j == n:
+                break # Really incomplete
+            self.syntax_error("bogus `<' or `&'")
+            data = res.group(0)
+            self.handle_data(data)
+            self.lineno = self.lineno + string.count(data, '\n')
+            i = j
+        # end while
+        if end and i < n:
+            data = rawdata[i:n]
+            self.handle_data(data)
+            self.lineno = self.lineno + string.count(data, '\n')
+            i = n
+        self.rawdata = rawdata[i:]
+        if end:
+            if self.stack:
+                self.syntax_error('missing end tags')
+                while self.stack:
+                    self.finish_endtag(self.stack[-1])
 
     # Internal -- parse comment, return length or -1 if not terminated
     def parse_comment(self, i):
-	rawdata = self.rawdata
-	if rawdata[i:i+4] <> '<!--':
-	    raise RuntimeError, 'unexpected call to handle_comment'
-	res = commentclose.search(rawdata, i+4)
-	if not res:
-	    return -1
-	# doubledash search will succeed because it's a subset of commentclose
-	if doubledash.search(rawdata, i+4).start(0) < res.start(0):
-	    self.syntax_error("`--' inside comment")
-	self.handle_comment(rawdata[i+4: res.start(0)])
-	return res.end(0)
+        rawdata = self.rawdata
+        if rawdata[i:i+4] <> '<!--':
+            raise RuntimeError, 'unexpected call to handle_comment'
+        res = commentclose.search(rawdata, i+4)
+        if not res:
+            return -1
+        # doubledash search will succeed because it's a subset of commentclose
+        if doubledash.search(rawdata, i+4).start(0) < res.start(0):
+            self.syntax_error("`--' inside 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')
-	j = k = res.end(0)
-	level = 0
-	while k < n:
-	    c = rawdata[k]
-	    if c == '<':
-		level = level + 1
-	    elif c == '>':
-		if level == 0:
-		    self.handle_doctype(name, rawdata[j:k])
-		    return k+1
-		level = level - 1
-	    k = k+1
-	return -1
+        rawdata = self.rawdata
+        n = len(rawdata)
+        name = res.group('name')
+        j = k = res.end(0)
+        level = 0
+        while k < n:
+            c = rawdata[k]
+            if c == '<':
+                level = level + 1
+            elif c == '>':
+                if level == 0:
+                    self.handle_doctype(name, rawdata[j:k])
+                    return k+1
+                level = level - 1
+            k = k+1
+        return -1
 
     # 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 RuntimeError, 'unexpected call to handle_cdata'
-	res = cdataclose.search(rawdata, i+9)
-	if not res:
-	    return -1
-	self.handle_cdata(rawdata[i+9:res.start(0)])
-	return res.end(0)
+        rawdata = self.rawdata
+        if rawdata[i:i+9] <> '<![CDATA[':
+            raise RuntimeError, 'unexpected call to handle_cdata'
+        res = cdataclose.search(rawdata, i+9)
+        if not res:
+            return -1
+        self.handle_cdata(rawdata[i+9:res.start(0)])
+        return res.end(0)
 
     __xml_attributes = {'version': '1.0', 'standalone': 'no', 'encoding': None}
     # Internal -- handle a processing instruction tag
     def parse_proc(self, i):
-	rawdata = self.rawdata
-	end = procclose.search(rawdata, i)
-	if not end:
-	    return -1
-	j = end.start(0)
-	res = tagfind.match(rawdata, i+2)
-	if not res:
-	    raise RuntimeError, 'unexpected call to parse_proc'
-	k = res.end(0)
-	name = res.group(0)
-	if name == 'xml':
-	    if self.__at_start:
-		attrdict, k = self.parse_attributes('xml', k, j,
-						    self.__xml_attributes)
-		if k != j:
-		    self.syntax_error('garbage at end of <?xml?>')
-		if attrdict['version'] != '1.0':
-		    self.syntax_error('only XML version 1.0 supported')
-		self.handle_xml(attrdict.get('encoding', None),
-				attrdict['standalone'])
-		return end.end(0)
-	    else:
-		self.syntax_error("<?xml?> tag not at start of document")
-	self.handle_proc(name, rawdata[k:j])
-	return end.end(0)
+        rawdata = self.rawdata
+        end = procclose.search(rawdata, i)
+        if not end:
+            return -1
+        j = end.start(0)
+        res = tagfind.match(rawdata, i+2)
+        if not res:
+            raise RuntimeError, 'unexpected call to parse_proc'
+        k = res.end(0)
+        name = res.group(0)
+        if name == 'xml':
+            if self.__at_start:
+                attrdict, k = self.parse_attributes('xml', k, j,
+                                                    self.__xml_attributes)
+                if k != j:
+                    self.syntax_error('garbage at end of <?xml?>')
+                if attrdict['version'] != '1.0':
+                    self.syntax_error('only XML version 1.0 supported')
+                self.handle_xml(attrdict.get('encoding', None),
+                                attrdict['standalone'])
+                return end.end(0)
+            else:
+                self.syntax_error("<?xml?> tag not at start of document")
+        self.handle_proc(name, rawdata[k:j])
+        return end.end(0)
 
     # Internal -- parse attributes between i and j
     def parse_attributes(self, tag, k, j, attributes = None):
-	rawdata = self.rawdata
-	# Now parse the data between k and j into a tag and attrs
-	attrdict = {}
-	try:
-	    # convert attributes list to dictionary
-	    d = {}
-	    for a in attributes:
-		d[a] = None
-	    attributes = d
-	except TypeError:
-	    pass
-	while k < j:
-	    res = attrfind.match(rawdata, k)
-	    if not res: break
-	    attrname, attrvalue = res.group('name', 'value')
-	    if attrvalue is None:
-		self.syntax_error('no attribute value specified')
-		attrvalue = attrname
-	    elif attrvalue[:1] == "'" == attrvalue[-1:] or \
-		 attrvalue[:1] == '"' == attrvalue[-1:]:
-		attrvalue = attrvalue[1:-1]
-	    else:
-		self.syntax_error('attribute value not quoted')
-	    if attributes is not None and not attributes.has_key(attrname):
-		self.syntax_error('unknown attribute %s of element %s' %
-				  (attrname, tag))
-	    if attrdict.has_key(attrname):
-		self.syntax_error('attribute specified twice')
-	    attrdict[attrname] = self.translate_references(attrvalue)
-	    k = res.end(0)
-	if attributes is not None:
-	    # fill in with default attributes
-	    for key, val in attributes.items():
-		if val is not None and not attrdict.has_key(key):
-		    attrdict[key] = val
-	return attrdict, k
+        rawdata = self.rawdata
+        # Now parse the data between k and j into a tag and attrs
+        attrdict = {}
+        try:
+            # convert attributes list to dictionary
+            d = {}
+            for a in attributes:
+                d[a] = None
+            attributes = d
+        except TypeError:
+            pass
+        while k < j:
+            res = attrfind.match(rawdata, k)
+            if not res: break
+            attrname, attrvalue = res.group('name', 'value')
+            if attrvalue is None:
+                self.syntax_error('no attribute value specified')
+                attrvalue = attrname
+            elif attrvalue[:1] == "'" == attrvalue[-1:] or \
+                 attrvalue[:1] == '"' == attrvalue[-1:]:
+                attrvalue = attrvalue[1:-1]
+            else:
+                self.syntax_error('attribute value not quoted')
+            if attributes is not None and not attributes.has_key(attrname):
+                self.syntax_error('unknown attribute %s of element %s' %
+                                  (attrname, tag))
+            if attrdict.has_key(attrname):
+                self.syntax_error('attribute specified twice')
+            attrdict[attrname] = self.translate_references(attrvalue)
+            k = res.end(0)
+        if attributes is not None:
+            # fill in with default attributes
+            for key, val in attributes.items():
+                if val is not None and not attrdict.has_key(key):
+                    attrdict[key] = val
+        return attrdict, k
 
     # 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 = endbracket.search(rawdata, i+1)
-	if not end:
-	    return -1
-	j = end.start(0)
-	res = tagfind.match(rawdata, i+1)
-	if not res:
-	    raise RuntimeError, 'unexpected call to parse_starttag'
-	k = res.end(0)
-	tag = res.group(0)
-	if not self.__seen_starttag and self.__seen_doctype:
-	    if tag != self.__seen_doctype:
-		self.syntax_error('starttag does not match DOCTYPE')
-	if hasattr(self, tag + '_attributes'):
-	    attributes = getattr(self, tag + '_attributes')
-	else:
-	    attributes = None
-	attrdict, k = self.parse_attributes(tag, k, j, attributes)
-	res = starttagend.match(rawdata, k)
-	if not res:
-	    self.syntax_error('garbage in start tag')
-	self.finish_starttag(tag, attrdict)
-	if res and res.group('slash') == '/':
-	    self.finish_endtag(tag)
-	return end.end(0)
+        rawdata = self.rawdata
+        # i points to start of tag
+        end = endbracket.search(rawdata, i+1)
+        if not end:
+            return -1
+        j = end.start(0)
+        res = tagfind.match(rawdata, i+1)
+        if not res:
+            raise RuntimeError, 'unexpected call to parse_starttag'
+        k = res.end(0)
+        tag = res.group(0)
+        if not self.__seen_starttag and self.__seen_doctype:
+            if tag != self.__seen_doctype:
+                self.syntax_error('starttag does not match DOCTYPE')
+        if hasattr(self, tag + '_attributes'):
+            attributes = getattr(self, tag + '_attributes')
+        else:
+            attributes = None
+        attrdict, k = self.parse_attributes(tag, k, j, attributes)
+        res = starttagend.match(rawdata, k)
+        if not res:
+            self.syntax_error('garbage in start tag')
+        self.finish_starttag(tag, attrdict)
+        if res and res.group('slash') == '/':
+            self.finish_endtag(tag)
+        return end.end(0)
 
     # Internal -- parse endtag
     def parse_endtag(self, i):
-	rawdata = self.rawdata
-	end = endbracket.search(rawdata, i+1)
-	if not end:
-	    return -1
-	res = tagfind.match(rawdata, i+2)
-	if not res:
-	    self.syntax_error('no name specified in end tag')
-	    tag = ''
-	    k = i+2
-	else:
-	    tag = res.group(0)
-	    k = res.end(0)
-	if k != end.start(0):
-	    # check that there is only white space at end of tag
-	    res = space.match(rawdata, k)
-	    if res is None or res.end(0) != end.start(0):
-		self.syntax_error('garbage in end tag')
-	self.finish_endtag(tag)
-	return end.end(0)
+        rawdata = self.rawdata
+        end = endbracket.search(rawdata, i+1)
+        if not end:
+            return -1
+        res = tagfind.match(rawdata, i+2)
+        if not res:
+            self.syntax_error('no name specified in end tag')
+            tag = ''
+            k = i+2
+        else:
+            tag = res.group(0)
+            k = res.end(0)
+        if k != end.start(0):
+            # check that there is only white space at end of tag
+            res = space.match(rawdata, k)
+            if res is None or res.end(0) != end.start(0):
+                self.syntax_error('garbage in end tag')
+        self.finish_endtag(tag)
+        return end.end(0)
 
     # Internal -- finish processing of start tag
     # Return -1 for unknown tag, 1 for balanced tag
     def finish_starttag(self, tag, attrs):
-	self.stack.append(tag)
-	try:
-	    method = getattr(self, 'start_' + tag)
-	except AttributeError:
-	    self.unknown_starttag(tag, attrs)
-	    return -1
-	else:
-	    self.handle_starttag(tag, method, attrs)
-	    return 1
+        self.stack.append(tag)
+        try:
+            method = getattr(self, 'start_' + tag)
+        except AttributeError:
+            self.unknown_starttag(tag, attrs)
+            return -1
+        else:
+            self.handle_starttag(tag, method, attrs)
+            return 1
 
     # Internal -- finish processing of end tag
     def finish_endtag(self, tag):
-	if not tag:
-	    self.syntax_error('name-less end tag')
-	    found = len(self.stack) - 1
-	    if found < 0:
-		self.unknown_endtag(tag)
-		return
-	else:
-	    if tag not in self.stack:
-		self.syntax_error('unopened end tag')
-		try:
-		    method = getattr(self, 'end_' + tag)
-		except AttributeError:
-		    self.unknown_endtag(tag)
-		return
-	    found = len(self.stack)
-	    for i in range(found):
-		if self.stack[i] == tag:
-		    found = i
-	while len(self.stack) > found:
-	    if found < len(self.stack) - 1:
-		self.syntax_error('missing close tag for %s' % self.stack[-1])
-	    tag = self.stack[-1]
-	    try:
-		method = getattr(self, 'end_' + tag)
-	    except AttributeError:
-		method = None
-	    if method:
-		self.handle_endtag(tag, method)
-	    else:
-		self.unknown_endtag(tag)
-	    del self.stack[-1]
+        if not tag:
+            self.syntax_error('name-less end tag')
+            found = len(self.stack) - 1
+            if found < 0:
+                self.unknown_endtag(tag)
+                return
+        else:
+            if tag not in self.stack:
+                self.syntax_error('unopened end tag')
+                try:
+                    method = getattr(self, 'end_' + tag)
+                except AttributeError:
+                    self.unknown_endtag(tag)
+                return
+            found = len(self.stack)
+            for i in range(found):
+                if self.stack[i] == tag:
+                    found = i
+        while len(self.stack) > found:
+            if found < len(self.stack) - 1:
+                self.syntax_error('missing close tag for %s' % self.stack[-1])
+            tag = self.stack[-1]
+            try:
+                method = getattr(self, 'end_' + tag)
+            except AttributeError:
+                method = None
+            if method:
+                self.handle_endtag(tag, method)
+            else:
+                self.unknown_endtag(tag)
+            del self.stack[-1]
 
     # Overridable -- handle xml processing instruction
     def handle_xml(self, encoding, standalone):
-	pass
+        pass
 
     # Overridable -- handle DOCTYPE
     def handle_doctype(self, tag, data):
-	pass
+        pass
 
     # Overridable -- handle start tag
     def handle_starttag(self, tag, method, attrs):
-	method(attrs)
+        method(attrs)
 
     # Overridable -- handle end tag
     def handle_endtag(self, tag, method):
-	method()
+        method()
 
     # Example -- handle character reference, no need to override
     def handle_charref(self, name):
-	try:
-	    if name[0] == 'x':
-		n = string.atoi(name[1:], 16)
-	    else:
-		n = string.atoi(name)
-	except string.atoi_error:
-	    self.unknown_charref(name)
-	    return
-	if not 0 <= n <= 255:
-	    self.unknown_charref(name)
-	    return
-	self.handle_data(chr(n))
+        try:
+            if name[0] == 'x':
+                n = string.atoi(name[1:], 16)
+            else:
+                n = string.atoi(name)
+        except string.atoi_error:
+            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': '<', 'gt': '>', 'amp': '&', 'quot': '"', 'apos': "'"}
 
     # Example -- handle entity reference, no need to override
     def handle_entityref(self, name):
-	table = self.entitydefs
-	if table.has_key(name):
-	    self.handle_data(table[name])
-	else:
-	    self.unknown_entityref(name)
-	    return
+        table = self.entitydefs
+        if table.has_key(name):
+            self.handle_data(table[name])
+        else:
+            self.unknown_entityref(name)
+            return
 
     # Example -- handle data, should be overridden
     def handle_data(self, data):
-	pass
+        pass
 
     # Example -- handle cdata, could be overridden
     def handle_cdata(self, data):
-	pass
+        pass
 
     # Example -- handle comment, could be overridden
     def handle_comment(self, data):
-	pass
+        pass
 
     # Example -- handle processing instructions, could be overridden
     def handle_proc(self, name, data):
-	pass
+        pass
 
     # Example -- handle special instructions, could be overridden
     def handle_special(self, data):
-	pass
+        pass
 
     # Example -- handle relatively harmless syntax errors, could be overridden
     def syntax_error(self, message):
-	raise RuntimeError, 'Syntax error at line %d: %s' % (self.lineno, message)
+        raise RuntimeError, 'Syntax error at line %d: %s' % (self.lineno, message)
 
     # To be overridden -- handlers for unknown objects
     def unknown_starttag(self, tag, attrs): pass
@@ -559,109 +559,109 @@ class XMLParser:
 class TestXMLParser(XMLParser):
 
     def __init__(self, verbose=0):
-	self.testdata = ""
-	XMLParser.__init__(self, verbose)
+        self.testdata = ""
+        XMLParser.__init__(self, verbose)
 
     def handle_xml(self, encoding, standalone):
-	self.flush()
-	print 'xml: encoding =',encoding,'standalone =',standalone
+        self.flush()
+        print 'xml: encoding =',encoding,'standalone =',standalone
 
     def handle_doctype(self, tag, data):
-	self.flush()
-	print 'DOCTYPE:',tag, `data`
+        self.flush()
+        print 'DOCTYPE:',tag, `data`
 
     def handle_data(self, data):
-	self.testdata = self.testdata + data
-	if len(`self.testdata`) >= 70:
-	    self.flush()
+        self.testdata = self.testdata + data
+        if len(`self.testdata`) >= 70:
+            self.flush()
 
     def flush(self):
-	data = self.testdata
-	if data:
-	    self.testdata = ""
-	    print 'data:', `data`
+        data = self.testdata
+        if data:
+            self.testdata = ""
+            print 'data:', `data`
 
     def handle_cdata(self, data):
-	self.flush()
-	print 'cdata:', `data`
+        self.flush()
+        print 'cdata:', `data`
 
     def handle_proc(self, name, data):
-	self.flush()
-	print 'processing:',name,`data`
+        self.flush()
+        print 'processing:',name,`data`
 
     def handle_special(self, data):
-	self.flush()
-	print 'special:',`data`
+        self.flush()
+        print 'special:',`data`
 
     def handle_comment(self, data):
-	self.flush()
-	r = `data`
-	if len(r) > 68:
-	    r = r[:32] + '...' + r[-32:]
-	print 'comment:', r
+        self.flush()
+        r = `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
+        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 '>'
+        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 + '>'
+        self.flush()
+        print 'end tag: </' + tag + '>'
 
     def unknown_entityref(self, ref):
-	self.flush()
-	print '*** unknown entity ref: &' + ref + ';'
+        self.flush()
+        print '*** unknown entity ref: &' + ref + ';'
 
     def unknown_charref(self, ref):
-	self.flush()
-	print '*** unknown char ref: &#' + ref + ';'
+        self.flush()
+        print '*** unknown char ref: &#' + ref + ';'
 
     def close(self):
-	XMLParser.close(self)
-	self.flush()
+        XMLParser.close(self)
+        self.flush()
 
 def test(args = None):
     import sys
 
     if not args:
-	args = sys.argv[1:]
+        args = sys.argv[1:]
 
     if args and args[0] == '-s':
-	args = args[1:]
-	klass = XMLParser
+        args = args[1:]
+        klass = XMLParser
     else:
-	klass = TestXMLParser
+        klass = TestXMLParser
 
     if args:
-	file = args[0]
+        file = args[0]
     else:
-	file = 'test.xml'
+        file = 'test.xml'
 
     if file == '-':
-	f = sys.stdin
+        f = sys.stdin
     else:
-	try:
-	    f = open(file, 'r')
-	except IOError, msg:
-	    print file, ":", msg
-	    sys.exit(1)
+        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()
+        f.close()
 
     x = klass()
     for c in data:
-	x.feed(c)
+        x.feed(c)
     x.close()
 
 
-- 
cgit v1.2.1