The usual.

28 files changed, 910 insertions, 92 deletions

diff --git a/Lib/dos-8x3/basehttp.py b/Lib/dos-8x3/basehttp.py
index 281ddf6..7dadd71 100755
--- a/Lib/dos-8x3/basehttp.py
+++ b/Lib/dos-8x3/basehttp.py
@@ -236,7 +236,7 @@ class BaseHTTPRequestHandler(SocketServer.StreamRequestHandler):
 	words = string.split(requestline)
 	if len(words) == 3:
 	    [command, path, version] = words
-	    if version != self.protocol_version:
+	    if version[:5] != 'HTTP/':
 		self.send_error(400, "Bad request version (%s)" % `version`)
 		return
 	elif len(words) == 2:
@@ -297,7 +297,7 @@ class BaseHTTPRequestHandler(SocketServer.StreamRequestHandler):
 	self.log_request(code)
 	if message is None:
 	    if self.responses.has_key(code):
-		message = self.responses[code][1]
+		message = self.responses[code][0]
 	    else:
 		message = ''
 	if self.request_version != 'HTTP/0.9':
diff --git a/Lib/dos-8x3/mimetool.py b/Lib/dos-8x3/mimetool.py
index eadc11a..cda1f37 100755
--- a/Lib/dos-8x3/mimetool.py
+++ b/Lib/dos-8x3/mimetool.py
@@ -131,9 +131,16 @@ def choose_boundary():
 
 # Subroutines for decoding some common content-transfer-types
 
-# XXX This requires that uudecode and mmencode are in $PATH
-
 def decode(input, output, encoding):
+	if encoding == 'base64':
+		import base64
+		return base64.decode(input, output)
+	if encoding == 'quoted-printable':
+		import quopri
+		return quopri.decode(input, output)
+	if encoding in ('uuencode', 'x-uuencode'):
+		import uu
+		return uu.decode(input, output)
 	if decodetab.has_key(encoding):
 		pipethrough(input, decodetab[encoding], output)
 	else:
@@ -141,12 +148,25 @@ def decode(input, output, encoding):
 		      'unknown Content-Transfer-Encoding: %s' % encoding
 
 def encode(input, output, encoding):
+	if encoding == 'base64':
+		import base64
+		return base64.encode(input, output)
+	if encoding == 'quoted-printable':
+		import quopri
+		return quopri.encode(input, output, 0)
+	if encoding in ('uuencode', 'x-uuencode'):
+		import uu
+		return uu.encode(input, output)
 	if encodetab.has_key(encoding):
 		pipethrough(input, encodetab[encoding], output)
 	else:
 		raise ValueError, \
 		      'unknown Content-Transfer-Encoding: %s' % encoding
 
+# The following is no longer used for standard encodings
+
+# XXX This requires that uudecode and mmencode are in $PATH
+
 uudecode_pipe = '''(
 TEMP=/tmp/@uu.$$
 sed "s%^begin [0-7][0-7]* .*%begin 600 $TEMP%" | uudecode
diff --git a/Lib/dos-8x3/nturl2pa.py b/Lib/dos-8x3/nturl2pa.py
index 17f01f5..a25dc2a 100755
--- a/Lib/dos-8x3/nturl2pa.py
+++ b/Lib/dos-8x3/nturl2pa.py
@@ -4,8 +4,6 @@
 
 def url2pathname(url):
 	""" Convert a URL to a DOS path...
-	Currently only works for absolute paths
-
 		///C|/foo/bar/spam.foo
 
 			becomes
@@ -13,6 +11,10 @@ def url2pathname(url):
 		C:\foo\bar\spam.foo
 	"""
 	import string
+	if not '|' in url:
+	    # No drive specifier, just convert slashes
+	    components = string.splitfields(url, '/')
+	    return string.joinfields(components, '\\')
 	comp = string.splitfields(url, '|')
 	if len(comp) != 2 or comp[0][-1] not in string.letters:
 		error = 'Bad URL: ' + url
@@ -28,8 +30,6 @@ def url2pathname(url):
 def pathname2url(p):
 
 	""" Convert a DOS path name to a file url...
-	Currently only works for absolute paths
-
 		C:\foo\bar\spam.foo
 
 			becomes
@@ -38,6 +38,10 @@ def pathname2url(p):
 	"""
 
 	import string
+	if not ':' in p:
+	    # No drive specifier, just convert slashes
+	    components = string.splitfields(p, '\\')
+	    return string.joinfields(components, '/')
 	comp = string.splitfields(p, ':')
 	if len(comp) != 2 or len(comp[0]) > 1:
 		error = 'Bad path: ' + p
diff --git a/Lib/dos-8x3/regex_te.py b/Lib/dos-8x3/regex_te.py
new file mode 100644
index 0000000..dcb980a
--- /dev/null
+++ b/Lib/dos-8x3/regex_te.py
@@ -0,0 +1,289 @@
+
+# Regex test suite and benchmark suite v1.5a2
+# Due to the use of r"aw" strings, this file will 
+# only work with Python 1.5 or higher.
+
+# The 3 possible outcomes for each pattern
+[SUCCEED, FAIL, SYNTAX_ERROR] = range(3)
+
+# Benchmark suite (needs expansion)
+#
+# The benchmark suite does not test correctness, just speed.  The
+# first element of each tuple is the regex pattern; the second is a 
+# string to match it against.  The benchmarking code will embed the
+# second string inside several sizes of padding, to test how regex 
+# matching performs on large strings.
+
+benchmarks = [
+	('Python', 'Python'),                     # Simple text literal
+	('.*Python', 'Python'),                   # Bad text literal
+        ('.*Python.*', 'Python'),                 # Worse text literal
+	('.*\\(Python\\)', 'Python'),             # Bad text literal with grouping
+
+	('(Python\\|Perl\\|Tcl', 'Perl'),          # Alternation
+	('\\(Python\\|Perl\\|Tcl\\)', 'Perl'),     # Grouped alternation
+	('\\(Python\\)\\1', 'PythonPython'),       # Backreference
+#	('\\([0a-z][a-z]*,\\)+', 'a5,b7,c9,'),     # Disable the fastmap optimization
+	('\\([a-z][a-z0-9]*,\\)+', 'a5,b7,c9,')    # A few sets
+]
+
+# Test suite (for verifying correctness)
+#
+# The test suite is a list of 5- or 3-tuples.  The 5 parts of a
+# complete tuple are:
+# element 0: a string containing the pattern
+#         1: the string to match against the pattern
+#         2: the expected result (SUCCEED, FAIL, SYNTAX_ERROR)
+#         3: a string that will be eval()'ed to produce a test string.
+#            This is an arbitrary Python expression; the available
+#            variables are "found" (the whole match), and "g1", "g2", ...
+#            up to "g10" contain the contents of each group, or the
+#            string 'None' if the group wasn't given a value.
+#         4: The expected result of evaluating the expression.
+#            If the two don't match, an error is reported.
+#
+# If the regex isn't expected to work, the latter two elements can be omitted.
+
+tests = [
+('abc', 'abc', SUCCEED,
+ 'found', 'abc'),
+('abc', 'xbc', FAIL),
+('abc', 'axc', FAIL),
+('abc', 'abx', FAIL),
+('abc', 'xabcy', SUCCEED,
+ 'found', 'abc'),
+('abc', 'ababc', SUCCEED,
+ 'found', 'abc'),
+('ab*c', 'abc', SUCCEED,
+ 'found', 'abc'),
+('ab*bc', 'abc', SUCCEED,
+ 'found', 'abc'),
+('ab*bc', 'abbc', SUCCEED,
+ 'found', 'abbc'),
+('ab*bc', 'abbbbc', SUCCEED,
+ 'found', 'abbbbc'),
+('ab+bc', 'abbc', SUCCEED,
+ 'found', 'abbc'),
+('ab+bc', 'abc', FAIL),
+('ab+bc', 'abq', FAIL),
+('ab+bc', 'abbbbc', SUCCEED,
+ 'found', 'abbbbc'),
+('ab?bc', 'abbc', SUCCEED,
+ 'found', 'abbc'),
+('ab?bc', 'abc', SUCCEED,
+ 'found', 'abc'),
+('ab?bc', 'abbbbc', FAIL),
+('ab?c', 'abc', SUCCEED,
+ 'found', 'abc'),
+('^abc$', 'abc', SUCCEED,
+ 'found', 'abc'),
+('^abc$', 'abcc', FAIL),
+('^abc', 'abcc', SUCCEED,
+ 'found', 'abc'),
+('^abc$', 'aabc', FAIL),
+('abc$', 'aabc', SUCCEED,
+ 'found', 'abc'),
+('^', 'abc', SUCCEED,
+ 'found+"-"', '-'),
+('$', 'abc', SUCCEED,
+ 'found+"-"', '-'),
+('a.c', 'abc', SUCCEED,
+ 'found', 'abc'),
+('a.c', 'axc', SUCCEED,
+ 'found', 'axc'),
+('a.*c', 'axyzc', SUCCEED,
+ 'found', 'axyzc'),
+('a.*c', 'axyzd', FAIL),
+('a[bc]d', 'abc', FAIL),
+('a[bc]d', 'abd', SUCCEED,
+ 'found', 'abd'),
+('a[b-d]e', 'abd', FAIL),
+('a[b-d]e', 'ace', SUCCEED,
+ 'found', 'ace'),
+('a[b-d]', 'aac', SUCCEED,
+ 'found', 'ac'),
+('a[-b]', 'a-', SUCCEED,
+ 'found', 'a-'),
+('a[b-]', 'a-', SUCCEED,
+ 'found', 'a-'),
+('a[]b', '-', SYNTAX_ERROR),
+('a[', '-', SYNTAX_ERROR),
+('a\\', '-', SYNTAX_ERROR),
+('abc\\)', '-', SYNTAX_ERROR),
+('\\(abc', '-', SYNTAX_ERROR),
+('a]', 'a]', SUCCEED,
+ 'found', 'a]'),
+('a[]]b', 'a]b', SUCCEED,
+ 'found', 'a]b'),
+('a[^bc]d', 'aed', SUCCEED,
+ 'found', 'aed'),
+('a[^bc]d', 'abd', FAIL),
+('a[^-b]c', 'adc', SUCCEED,
+ 'found', 'adc'),
+('a[^-b]c', 'a-c', FAIL),
+('a[^]b]c', 'a]c', FAIL),
+('a[^]b]c', 'adc', SUCCEED,
+ 'found', 'adc'),
+('\\ba\\b', 'a-', SUCCEED,
+ '"-"', '-'),
+('\\ba\\b', '-a', SUCCEED,
+ '"-"', '-'),
+('\\ba\\b', '-a-', SUCCEED,
+ '"-"', '-'),
+('\\by\\b', 'xy', FAIL),
+('\\by\\b', 'yz', FAIL),
+('\\by\\b', 'xyz', FAIL),
+('ab\\|cd', 'abc', SUCCEED,
+ 'found', 'ab'),
+('ab\\|cd', 'abcd', SUCCEED,
+ 'found', 'ab'),
+('\\(\\)ef', 'def', SUCCEED,
+ 'found+"-"+g1', 'ef-'),
+('$b', 'b', FAIL),
+('a(b', 'a(b', SUCCEED,
+ 'found+"-"+g1', 'a(b-None'),
+('a(*b', 'ab', SUCCEED,
+ 'found', 'ab'),
+('a(*b', 'a((b', SUCCEED,
+ 'found', 'a((b'),
+('a\\\\b', 'a\\b', SUCCEED,
+ 'found', 'a\\b'),
+('\\(\\(a\\)\\)', 'abc', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'a-a-a'),
+('\\(a\\)b\\(c\\)', 'abc', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abc-a-c'),
+('a+b+c', 'aabbabc', SUCCEED,
+ 'found', 'abc'),
+('\\(a+\\|b\\)*', 'ab', SUCCEED,
+ 'found+"-"+g1', 'ab-b'),
+('\\(a+\\|b\\)+', 'ab', SUCCEED,
+ 'found+"-"+g1', 'ab-b'),
+('\\(a+\\|b\\)?', 'ab', SUCCEED,
+ 'found+"-"+g1', 'a-a'),
+('\\)\\(', '-', SYNTAX_ERROR),
+('[^ab]*', 'cde', SUCCEED,
+ 'found', 'cde'),
+('abc', '', FAIL),
+('a*', '', SUCCEED,
+ 'found', ''),
+('a\\|b\\|c\\|d\\|e', 'e', SUCCEED,
+ 'found', 'e'),
+('\\(a\\|b\\|c\\|d\\|e\\)f', 'ef', SUCCEED,
+ 'found+"-"+g1', 'ef-e'),
+('abcd*efg', 'abcdefg', SUCCEED,
+ 'found', 'abcdefg'),
+('ab*', 'xabyabbbz', SUCCEED,
+ 'found', 'ab'),
+('ab*', 'xayabbbz', SUCCEED,
+ 'found', 'a'),
+('\\(ab\\|cd\\)e', 'abcde', SUCCEED,
+ 'found+"-"+g1', 'cde-cd'),
+('[abhgefdc]ij', 'hij', SUCCEED,
+ 'found', 'hij'),
+('^\\(ab\\|cd\\)e', 'abcde', FAIL,
+ 'xg1y', 'xy'),
+('\\(abc\\|\\)ef', 'abcdef', SUCCEED,
+ 'found+"-"+g1', 'ef-'),
+('\\(a\\|b\\)c*d', 'abcd', SUCCEED,
+ 'found+"-"+g1', 'bcd-b'),
+('\\(ab\\|ab*\\)bc', 'abc', SUCCEED,
+ 'found+"-"+g1', 'abc-a'),
+('a\\([bc]*\\)c*', 'abc', SUCCEED,
+ 'found+"-"+g1', 'abc-bc'),
+('a\\([bc]*\\)\\(c*d\\)', 'abcd', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
+('a\\([bc]+\\)\\(c*d\\)', 'abcd', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
+('a\\([bc]*\\)\\(c+d\\)', 'abcd', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
+('a[bcd]*dcdcde', 'adcdcde', SUCCEED,
+ 'found', 'adcdcde'),
+('a[bcd]+dcdcde', 'adcdcde', FAIL),
+('\\(ab\\|a\\)b*c', 'abc', SUCCEED,
+ 'found+"-"+g1', 'abc-ab'),
+('\\(\\(a\\)\\(b\\)c\\)\\(d\\)', 'abcd', SUCCEED,
+ 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
+('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED,
+ 'found', 'alpha'),
+('^a\\(bc+\\|b[eh]\\)g\\|.h$', 'abh', SUCCEED,
+ 'found+"-"+g1', 'bh-None'),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'effgz', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'ij', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'effg', FAIL),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'bcdd', FAIL),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'reffgz', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
+('\\(\\(\\(\\(\\(\\(\\(\\(\\(a\\)\\)\\)\\)\\)\\)\\)\\)\\)', 'a', SUCCEED,
+ 'found', 'a'),
+('multiple words of text', 'uh-uh', FAIL),
+('multiple words', 'multiple words, yeah', SUCCEED,
+ 'found', 'multiple words'),
+('\\(.*\\)c\\(.*\\)', 'abcde', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
+('(\\(.*\\), \\(.*\\))', '(a, b)', SUCCEED,
+ 'g2+"-"+g1', 'b-a'),
+('[k]', 'ab', FAIL),
+('a[-]?c', 'ac', SUCCEED,
+ 'found', 'ac'),
+('\\(abc\\)\\1', 'abcabc', SUCCEED,
+ 'g1', 'abc'),
+('\\([a-c]*\\)\\1', 'abcabc', SUCCEED,
+ 'g1', 'abc'),
+('^\\(.+\\)?B', 'AB', SUCCEED,
+ 'g1', 'A'),
+('\\(a+\\).\\1$', 'aaaaa', SUCCEED,
+ 'found+"-"+g1', 'aaaaa-aa'),
+('^\\(a+\\).\\1$', 'aaaa', FAIL),
+('\\(abc\\)\\1', 'abcabc', SUCCEED,
+ 'found+"-"+g1', 'abcabc-abc'),
+('\\([a-c]+\\)\\1', 'abcabc', SUCCEED,
+ 'found+"-"+g1', 'abcabc-abc'),
+('\\(a\\)\\1', 'aa', SUCCEED,
+ 'found+"-"+g1', 'aa-a'),
+('\\(a+\\)\\1', 'aa', SUCCEED,
+ 'found+"-"+g1', 'aa-a'),
+('\\(a+\\)+\\1', 'aa', SUCCEED,
+ 'found+"-"+g1', 'aa-a'),
+('\\(a\\).+\\1', 'aba', SUCCEED,
+ 'found+"-"+g1', 'aba-a'),
+('\\(a\\)ba*\\1', 'aba', SUCCEED,
+ 'found+"-"+g1', 'aba-a'),
+('\\(aa\\|a\\)a\\1$', 'aaa', SUCCEED,
+ 'found+"-"+g1', 'aaa-a'),
+('\\(a\\|aa\\)a\\1$', 'aaa', SUCCEED,
+ 'found+"-"+g1', 'aaa-a'),
+('\\(a+\\)a\\1$', 'aaa', SUCCEED,
+ 'found+"-"+g1', 'aaa-a'),
+('\\([abc]*\\)\\1', 'abcabc', SUCCEED,
+ 'found+"-"+g1', 'abcabc-abc'),
+('\\(a\\)\\(b\\)c\\|ab', 'ab', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'ab-None-None'),
+('\\(a\\)+x', 'aaax', SUCCEED,
+ 'found+"-"+g1', 'aaax-a'),
+('\\([ac]\\)+x', 'aacx', SUCCEED,
+ 'found+"-"+g1', 'aacx-c'),
+('\\([^/]*/\\)*sub1/', 'd:msgs/tdir/sub1/trial/away.cpp', SUCCEED,
+ 'found+"-"+g1', 'd:msgs/tdir/sub1/-tdir/'),
+('\\([^.]*\\)\\.\\([^:]*\\):[T ]+\\(.*\\)', 'track1.title:TBlah blah blah', SUCCEED,
+ 'found+"-"+g1+"-"+g2+"-"+g3', 'track1.title:TBlah blah blah-track1-title-Blah blah blah'),
+('\\([^N]*N\\)+', 'abNNxyzN', SUCCEED,
+ 'found+"-"+g1', 'abNNxyzN-xyzN'),
+('\\([^N]*N\\)+', 'abNNxyz', SUCCEED,
+ 'found+"-"+g1', 'abNN-N'),
+('\\([abc]*\\)x', 'abcx', SUCCEED,
+ 'found+"-"+g1', 'abcx-abc'),
+('\\([abc]*\\)x', 'abc', FAIL),
+('\\([xyz]*\\)x', 'abcx', SUCCEED,
+ 'found+"-"+g1', 'x-'),
+('\\(a\\)+b\\|aac', 'aac', SUCCEED,
+ 'found+"-"+g1', 'aac-None'),
+('\<a', 'a', SUCCEED, 'found', 'a'),
+('\<a', '!', FAIL),
+('a\<b', 'ab', FAIL),
+('a\>', 'ab', FAIL),
+('a\>', 'a!', SUCCEED, 'found', 'a'),
+('a\>', 'a', SUCCEED, 'found', 'a'),
+]
+
diff --git a/Lib/dos-8x3/socketse.py b/Lib/dos-8x3/socketse.py
index 6c371e2..ecd405f 100755
--- a/Lib/dos-8x3/socketse.py
+++ b/Lib/dos-8x3/socketse.py
@@ -34,10 +34,10 @@ synchronous servers of four types:
 	| UDPServer |------->| UnixDatagramServer |
 	+-----------+        +--------------------+
 
-(Note that UnixDatagramServer derives from UDPServer, not from
+Note that UnixDatagramServer derives from UDPServer, not from
 UnixStreamServer -- the only difference between an IP and a Unix
 stream server is the address family, which is simply repeated in both
-unix server classes.)
+unix server classes.
 
 Forking and threading versions of each type of server can be created
 using the ForkingServer and ThreadingServer mix-in classes.  For
@@ -45,8 +45,8 @@ instance, a threading UDP server class is created as follows:
 
 	class ThreadingUDPServer(ThreadingMixIn, UDPServer): pass
 
-(The Mix-in class must come first, since it overrides a method defined
-in UDPServer!)
+The Mix-in class must come first, since it overrides a method defined
+in UDPServer!
 
 To implement a service, you must derive a class from
 BaseRequestHandler and redefine its handle() method.  You can then run
@@ -266,7 +266,7 @@ class UDPServer(TCPServer):
     max_packet_size = 8192
 
     def get_request(self):
-	return self.socket.recvfrom(max_packet_size)
+	return self.socket.recvfrom(self.max_packet_size)
 
 
 if hasattr(socket, 'AF_UNIX'):
diff --git a/Lib/dos-8x3/stringio.py b/Lib/dos-8x3/stringio.py
index bbd9428..dba38e4 100755
--- a/Lib/dos-8x3/stringio.py
+++ b/Lib/dos-8x3/stringio.py
@@ -64,7 +64,7 @@ class StringIO:
 		r = self.buf[self.pos:newpos]
 		self.pos = newpos
 		return r
-	def readline(self):
+	def readline(self, length=None):
 		if self.buflist:
 			self.buf = self.buf + string.joinfields(self.buflist, '')
 			self.buflist = []
@@ -73,6 +73,9 @@ class StringIO:
 			newpos = self.len
 		else:
 			newpos = i+1
+		if length is not None:
+			if self.pos + length < newpos:
+				newpos = self.pos + length
 		r = self.buf[self.pos:newpos]
 		self.pos = newpos
 		return r
diff --git a/Lib/dos-8x3/test_opc.py b/Lib/dos-8x3/test_opc.py
index b1e944b..656e00a 100755
--- a/Lib/dos-8x3/test_opc.py
+++ b/Lib/dos-8x3/test_opc.py
@@ -57,3 +57,38 @@ except AClass, v:
 
 try:  raise BClass, a
 except TypeError: pass
+
+
+print '2.3 comparing function objects'
+
+f = eval('lambda: None')
+g = eval('lambda: None')
+if f != g: raise TestFailed
+
+f = eval('lambda a: a')
+g = eval('lambda a: a')
+if f != g: raise TestFailed
+
+f = eval('lambda a=1: a')
+g = eval('lambda a=1: a')
+if f != g: raise TestFailed
+
+f = eval('lambda: 0')
+g = eval('lambda: 1')
+if f == g: raise TestFailed
+
+f = eval('lambda: None')
+g = eval('lambda a: None')
+if f == g: raise TestFailed
+
+f = eval('lambda a: None')
+g = eval('lambda b: None')
+if f == g: raise TestFailed
+
+f = eval('lambda a: None')
+g = eval('lambda a=None: None')
+if f == g: raise TestFailed
+
+f = eval('lambda a=0: None')
+g = eval('lambda a=1: None')
+if f == g: raise TestFailed
diff --git a/Lib/dos-8x3/test_reg.py b/Lib/dos-8x3/test_reg.py
index 078ca40..4be6026 100644
--- a/Lib/dos-8x3/test_reg.py
+++ b/Lib/dos-8x3/test_reg.py
@@ -60,3 +60,51 @@ except regex.error:
     print 'caught expected exception'
 else:
     print 'expected regex.error not raised'
+
+from regex_tests import *
+if verbose: print 'Running regex_tests test suite'
+
+for t in tests:
+    pattern=s=outcome=repl=expected=None
+    if len(t)==5:
+	pattern, s, outcome, repl, expected = t
+    elif len(t)==3:
+	pattern, s, outcome = t 
+    else:
+	raise ValueError, ('Test tuples should have 3 or 5 fields',t)
+
+    try:
+	obj=regex.compile(pattern)
+    except regex.error:
+	if outcome==SYNTAX_ERROR: pass    # Expected a syntax error
+	else: 
+	    # Regex syntax errors aren't yet reported, so for 
+	    # the official test suite they'll be quietly ignored.
+	    pass
+	    #print '=== Syntax error:', t
+    else:
+	try:
+	    result=obj.search(s)
+	except regex.error, msg:
+	    print '=== Unexpected exception', t, repr(msg)
+	if outcome==SYNTAX_ERROR:
+	    # This should have been a syntax error; forget it.
+	    pass
+	elif outcome==FAIL:
+	    if result==-1: pass   # No match, as expected
+	    else: print '=== Succeeded incorrectly', t
+	elif outcome==SUCCEED:
+	    if result!=-1:
+		# Matched, as expected, so now we compute the
+		# result string and compare it to our expected result.
+		start, end = obj.regs[0]
+		found=s[start:end]
+		groups=obj.group(1,2,3,4,5,6,7,8,9,10)
+		vardict=vars()
+		for i in range(len(groups)):
+		    vardict['g'+str(i+1)]=str(groups[i])
+		repl=eval(repl)
+		if repl!=expected:
+		    print '=== grouping error', t, repr(repl)+' should be '+repr(expected)
+	    else:
+		print '=== Failed incorrectly', t
diff --git a/Lib/dos-8x3/test_rot.py b/Lib/dos-8x3/test_rot.py
index 338ea9d..99724bc 100644
--- a/Lib/dos-8x3/test_rot.py
+++ b/Lib/dos-8x3/test_rot.py
@@ -7,7 +7,7 @@ A = 'spam and eggs'
 B = 'cheese shop'
 
 a = r.encrypt(A)
-print a
+print `a`
 b = r.encryptmore(B)
 print b
 
diff --git a/Lib/dos-8x3/test_soc.py b/Lib/dos-8x3/test_soc.py
index 1fe8c41..c61a2c8 100644
--- a/Lib/dos-8x3/test_soc.py
+++ b/Lib/dos-8x3/test_soc.py
@@ -65,7 +65,7 @@ for optional in ("AF_UNIX",
 		 ):
     missing_ok(optional)
 
-socktype = socket.socket_type
+socktype = socket.SocketType
 hostname = socket.gethostname()
 ip = socket.gethostbyname(hostname)
 hname, aliases, ipaddrs = socket.gethostbyaddr(ip)
diff --git a/Lib/dos-8x3/test_thr.py b/Lib/dos-8x3/test_thr.py
index 8a1f435..113135b 100755
--- a/Lib/dos-8x3/test_thr.py
+++ b/Lib/dos-8x3/test_thr.py
@@ -21,7 +21,7 @@ def task(ident):
 	delay = whrandom.random() * numtasks
 	whmutex.release()
 	if verbose:
-	    print 'task', ident, 'will run for', delay, 'sec'
+	    print 'task', ident, 'will run for', round(delay, 1), 'sec'
 	time.sleep(delay)
 	if verbose:
 	    print 'task', ident, 'done'
@@ -89,7 +89,7 @@ def task2(ident):
 			delay = whrandom.random() * numtasks
 			whmutex.release()
 		if verbose:
-		    print 'task', ident, 'will run for', delay, 'sec'
+		    print 'task', ident, 'will run for', round(delay, 1), 'sec'
 		time.sleep(delay)
 		if verbose:
 		    print 'task', ident, 'entering barrier', i
diff --git a/Lib/dos-8x3/test_typ.py b/Lib/dos-8x3/test_typ.py
index 8be70b8..eedf65a 100755
--- a/Lib/dos-8x3/test_typ.py
+++ b/Lib/dos-8x3/test_typ.py
@@ -183,9 +183,9 @@ if d <> {'a': 4, 'c': 3}: raise TestFailed, 'dict item deletion'
 d = {1:1, 2:2, 3:3}
 d.clear()
 if d != {}: raise TestFailed, 'dict clear'
-d.absorb({1:100})
-d.absorb({2:20})
-d.absorb({1:1, 2:2, 3:3})
-if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict absorb'
+d.update({1:100})
+d.update({2:20})
+d.update({1:1, 2:2, 3:3})
+if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict update'
 if d.copy() != {1:1, 2:2, 3:3}: raise TestFailed, 'dict copy'
 if {}.copy() != {}: raise TestFailed, 'empty dict copy'
diff --git a/Lib/dos-8x3/tracebac.py b/Lib/dos-8x3/tracebac.py
index 7488f15..968a9cb 100755
--- a/Lib/dos-8x3/tracebac.py
+++ b/Lib/dos-8x3/tracebac.py
@@ -128,8 +128,11 @@ def format_exception_only(etype, value):
 def print_exc(limit=None, file=None):
 	if not file:
 		file = sys.stderr
-	print_exception(sys.exc_type, sys.exc_value, sys.exc_traceback,
-			limit, file)
+	try:
+	    etype, value, tb = sys.exc_info()
+	    print_exception(etype, value, tb, limit, file)
+	finally:
+	    etype = value = tb = None
 
 def print_last(limit=None, file=None):
 	if not file:
@@ -143,8 +146,7 @@ def print_stack(f=None, limit=None, file=None):
 		try:
 			raise ZeroDivisionError
 		except ZeroDivisionError:
-			tb = sys.exc_traceback
-			f = tb.tb_frame.f_back
+			f = sys.exc_info()[2].tb_frame.f_back
 	print_list(extract_stack(f, limit), file)
 
 def format_stack(f=None, limit=None):
@@ -152,17 +154,15 @@ def format_stack(f=None, limit=None):
 		try:
 			raise ZeroDivisionError
 		except ZeroDivisionError:
-			tb = sys.exc_traceback
-			f = tb.tb_frame.f_back
-	return format_list(extract_stack(t, limit))
+			f = sys.exc_info()[2].tb_frame.f_back
+	return format_list(extract_stack(f, limit))
 
 def extract_stack(f=None, limit = None):
 	if f is None:
 		try:
 			raise ZeroDivisionError
 		except ZeroDivisionError:
-			tb = sys.exc_traceback
-			f = tb.tb_frame.f_back
+			f = sys.exc_info()[2].tb_frame.f_back
 	if limit is None:
 		if hasattr(sys, 'tracebacklimit'):
 			limit = sys.tracebacklimit
diff --git a/Lib/dos-8x3/userdict.py b/Lib/dos-8x3/userdict.py
index f6b2f82..2f4f541 100755
--- a/Lib/dos-8x3/userdict.py
+++ b/Lib/dos-8x3/userdict.py
@@ -1,18 +1,28 @@
 # A more or less complete user-defined wrapper around dictionary objects
 
 class UserDict:
-	def __init__(self): self.data = {}
-	def __repr__(self): return repr(self.data)
-	def __cmp__(self, dict):
-		if type(dict) == type(self.data):
-			return cmp(self.data, dict)
-		else:
-			return cmp(self.data, dict.data)
-	def __len__(self): return len(self.data)
-	def __getitem__(self, key): return self.data[key]
-	def __setitem__(self, key, item): self.data[key] = item
-	def __delitem__(self, key): del self.data[key]
-	def keys(self): return self.data.keys()
-	def items(self): return self.data.items()
-	def values(self): return self.data.values()
-	def has_key(self, key): return self.data.has_key(key)
+    def __init__(self): self.data = {}
+    def __repr__(self): return repr(self.data)
+    def __cmp__(self, dict):
+	if type(dict) == type(self.data):
+	    return cmp(self.data, dict)
+	else:
+	    return cmp(self.data, dict.data)
+    def __len__(self): return len(self.data)
+    def __getitem__(self, key): return self.data[key]
+    def __setitem__(self, key, item): self.data[key] = item
+    def __delitem__(self, key): del self.data[key]
+    def clear(self): return self.data.clear()
+    def copy(self):
+	import copy
+	return copy.copy(self)
+    def keys(self): return self.data.keys()
+    def items(self): return self.data.items()
+    def values(self): return self.data.values()
+    def has_key(self, key): return self.data.has_key(key)
+    def update(self, other):
+	if type(other) is type(self.data):
+	    self.data.update(other)
+	else:
+	    for k, v in other.items():
+		self.data[k] = v
diff --git a/Lib/dos_8x3/basehttp.py b/Lib/dos_8x3/basehttp.py
index 281ddf6..7dadd71 100755
--- a/Lib/dos_8x3/basehttp.py
+++ b/Lib/dos_8x3/basehttp.py
@@ -236,7 +236,7 @@ class BaseHTTPRequestHandler(SocketServer.StreamRequestHandler):
 	words = string.split(requestline)
 	if len(words) == 3:
 	    [command, path, version] = words
-	    if version != self.protocol_version:
+	    if version[:5] != 'HTTP/':
 		self.send_error(400, "Bad request version (%s)" % `version`)
 		return
 	elif len(words) == 2:
@@ -297,7 +297,7 @@ class BaseHTTPRequestHandler(SocketServer.StreamRequestHandler):
 	self.log_request(code)
 	if message is None:
 	    if self.responses.has_key(code):
-		message = self.responses[code][1]
+		message = self.responses[code][0]
 	    else:
 		message = ''
 	if self.request_version != 'HTTP/0.9':
diff --git a/Lib/dos_8x3/mimetool.py b/Lib/dos_8x3/mimetool.py
index eadc11a..cda1f37 100755
--- a/Lib/dos_8x3/mimetool.py
+++ b/Lib/dos_8x3/mimetool.py
@@ -131,9 +131,16 @@ def choose_boundary():
 
 # Subroutines for decoding some common content-transfer-types
 
-# XXX This requires that uudecode and mmencode are in $PATH
-
 def decode(input, output, encoding):
+	if encoding == 'base64':
+		import base64
+		return base64.decode(input, output)
+	if encoding == 'quoted-printable':
+		import quopri
+		return quopri.decode(input, output)
+	if encoding in ('uuencode', 'x-uuencode'):
+		import uu
+		return uu.decode(input, output)
 	if decodetab.has_key(encoding):
 		pipethrough(input, decodetab[encoding], output)
 	else:
@@ -141,12 +148,25 @@ def decode(input, output, encoding):
 		      'unknown Content-Transfer-Encoding: %s' % encoding
 
 def encode(input, output, encoding):
+	if encoding == 'base64':
+		import base64
+		return base64.encode(input, output)
+	if encoding == 'quoted-printable':
+		import quopri
+		return quopri.encode(input, output, 0)
+	if encoding in ('uuencode', 'x-uuencode'):
+		import uu
+		return uu.encode(input, output)
 	if encodetab.has_key(encoding):
 		pipethrough(input, encodetab[encoding], output)
 	else:
 		raise ValueError, \
 		      'unknown Content-Transfer-Encoding: %s' % encoding
 
+# The following is no longer used for standard encodings
+
+# XXX This requires that uudecode and mmencode are in $PATH
+
 uudecode_pipe = '''(
 TEMP=/tmp/@uu.$$
 sed "s%^begin [0-7][0-7]* .*%begin 600 $TEMP%" | uudecode
diff --git a/Lib/dos_8x3/nturl2pa.py b/Lib/dos_8x3/nturl2pa.py
index 17f01f5..a25dc2a 100755
--- a/Lib/dos_8x3/nturl2pa.py
+++ b/Lib/dos_8x3/nturl2pa.py
@@ -4,8 +4,6 @@
 
 def url2pathname(url):
 	""" Convert a URL to a DOS path...
-	Currently only works for absolute paths
-
 		///C|/foo/bar/spam.foo
 
 			becomes
@@ -13,6 +11,10 @@ def url2pathname(url):
 		C:\foo\bar\spam.foo
 	"""
 	import string
+	if not '|' in url:
+	    # No drive specifier, just convert slashes
+	    components = string.splitfields(url, '/')
+	    return string.joinfields(components, '\\')
 	comp = string.splitfields(url, '|')
 	if len(comp) != 2 or comp[0][-1] not in string.letters:
 		error = 'Bad URL: ' + url
@@ -28,8 +30,6 @@ def url2pathname(url):
 def pathname2url(p):
 
 	""" Convert a DOS path name to a file url...
-	Currently only works for absolute paths
-
 		C:\foo\bar\spam.foo
 
 			becomes
@@ -38,6 +38,10 @@ def pathname2url(p):
 	"""
 
 	import string
+	if not ':' in p:
+	    # No drive specifier, just convert slashes
+	    components = string.splitfields(p, '\\')
+	    return string.joinfields(components, '/')
 	comp = string.splitfields(p, ':')
 	if len(comp) != 2 or len(comp[0]) > 1:
 		error = 'Bad path: ' + p
diff --git a/Lib/dos_8x3/regex_te.py b/Lib/dos_8x3/regex_te.py
new file mode 100644
index 0000000..dcb980a
--- /dev/null
+++ b/Lib/dos_8x3/regex_te.py
@@ -0,0 +1,289 @@
+
+# Regex test suite and benchmark suite v1.5a2
+# Due to the use of r"aw" strings, this file will 
+# only work with Python 1.5 or higher.
+
+# The 3 possible outcomes for each pattern
+[SUCCEED, FAIL, SYNTAX_ERROR] = range(3)
+
+# Benchmark suite (needs expansion)
+#
+# The benchmark suite does not test correctness, just speed.  The
+# first element of each tuple is the regex pattern; the second is a 
+# string to match it against.  The benchmarking code will embed the
+# second string inside several sizes of padding, to test how regex 
+# matching performs on large strings.
+
+benchmarks = [
+	('Python', 'Python'),                     # Simple text literal
+	('.*Python', 'Python'),                   # Bad text literal
+        ('.*Python.*', 'Python'),                 # Worse text literal
+	('.*\\(Python\\)', 'Python'),             # Bad text literal with grouping
+
+	('(Python\\|Perl\\|Tcl', 'Perl'),          # Alternation
+	('\\(Python\\|Perl\\|Tcl\\)', 'Perl'),     # Grouped alternation
+	('\\(Python\\)\\1', 'PythonPython'),       # Backreference
+#	('\\([0a-z][a-z]*,\\)+', 'a5,b7,c9,'),     # Disable the fastmap optimization
+	('\\([a-z][a-z0-9]*,\\)+', 'a5,b7,c9,')    # A few sets
+]
+
+# Test suite (for verifying correctness)
+#
+# The test suite is a list of 5- or 3-tuples.  The 5 parts of a
+# complete tuple are:
+# element 0: a string containing the pattern
+#         1: the string to match against the pattern
+#         2: the expected result (SUCCEED, FAIL, SYNTAX_ERROR)
+#         3: a string that will be eval()'ed to produce a test string.
+#            This is an arbitrary Python expression; the available
+#            variables are "found" (the whole match), and "g1", "g2", ...
+#            up to "g10" contain the contents of each group, or the
+#            string 'None' if the group wasn't given a value.
+#         4: The expected result of evaluating the expression.
+#            If the two don't match, an error is reported.
+#
+# If the regex isn't expected to work, the latter two elements can be omitted.
+
+tests = [
+('abc', 'abc', SUCCEED,
+ 'found', 'abc'),
+('abc', 'xbc', FAIL),
+('abc', 'axc', FAIL),
+('abc', 'abx', FAIL),
+('abc', 'xabcy', SUCCEED,
+ 'found', 'abc'),
+('abc', 'ababc', SUCCEED,
+ 'found', 'abc'),
+('ab*c', 'abc', SUCCEED,
+ 'found', 'abc'),
+('ab*bc', 'abc', SUCCEED,
+ 'found', 'abc'),
+('ab*bc', 'abbc', SUCCEED,
+ 'found', 'abbc'),
+('ab*bc', 'abbbbc', SUCCEED,
+ 'found', 'abbbbc'),
+('ab+bc', 'abbc', SUCCEED,
+ 'found', 'abbc'),
+('ab+bc', 'abc', FAIL),
+('ab+bc', 'abq', FAIL),
+('ab+bc', 'abbbbc', SUCCEED,
+ 'found', 'abbbbc'),
+('ab?bc', 'abbc', SUCCEED,
+ 'found', 'abbc'),
+('ab?bc', 'abc', SUCCEED,
+ 'found', 'abc'),
+('ab?bc', 'abbbbc', FAIL),
+('ab?c', 'abc', SUCCEED,
+ 'found', 'abc'),
+('^abc$', 'abc', SUCCEED,
+ 'found', 'abc'),
+('^abc$', 'abcc', FAIL),
+('^abc', 'abcc', SUCCEED,
+ 'found', 'abc'),
+('^abc$', 'aabc', FAIL),
+('abc$', 'aabc', SUCCEED,
+ 'found', 'abc'),
+('^', 'abc', SUCCEED,
+ 'found+"-"', '-'),
+('$', 'abc', SUCCEED,
+ 'found+"-"', '-'),
+('a.c', 'abc', SUCCEED,
+ 'found', 'abc'),
+('a.c', 'axc', SUCCEED,
+ 'found', 'axc'),
+('a.*c', 'axyzc', SUCCEED,
+ 'found', 'axyzc'),
+('a.*c', 'axyzd', FAIL),
+('a[bc]d', 'abc', FAIL),
+('a[bc]d', 'abd', SUCCEED,
+ 'found', 'abd'),
+('a[b-d]e', 'abd', FAIL),
+('a[b-d]e', 'ace', SUCCEED,
+ 'found', 'ace'),
+('a[b-d]', 'aac', SUCCEED,
+ 'found', 'ac'),
+('a[-b]', 'a-', SUCCEED,
+ 'found', 'a-'),
+('a[b-]', 'a-', SUCCEED,
+ 'found', 'a-'),
+('a[]b', '-', SYNTAX_ERROR),
+('a[', '-', SYNTAX_ERROR),
+('a\\', '-', SYNTAX_ERROR),
+('abc\\)', '-', SYNTAX_ERROR),
+('\\(abc', '-', SYNTAX_ERROR),
+('a]', 'a]', SUCCEED,
+ 'found', 'a]'),
+('a[]]b', 'a]b', SUCCEED,
+ 'found', 'a]b'),
+('a[^bc]d', 'aed', SUCCEED,
+ 'found', 'aed'),
+('a[^bc]d', 'abd', FAIL),
+('a[^-b]c', 'adc', SUCCEED,
+ 'found', 'adc'),
+('a[^-b]c', 'a-c', FAIL),
+('a[^]b]c', 'a]c', FAIL),
+('a[^]b]c', 'adc', SUCCEED,
+ 'found', 'adc'),
+('\\ba\\b', 'a-', SUCCEED,
+ '"-"', '-'),
+('\\ba\\b', '-a', SUCCEED,
+ '"-"', '-'),
+('\\ba\\b', '-a-', SUCCEED,
+ '"-"', '-'),
+('\\by\\b', 'xy', FAIL),
+('\\by\\b', 'yz', FAIL),
+('\\by\\b', 'xyz', FAIL),
+('ab\\|cd', 'abc', SUCCEED,
+ 'found', 'ab'),
+('ab\\|cd', 'abcd', SUCCEED,
+ 'found', 'ab'),
+('\\(\\)ef', 'def', SUCCEED,
+ 'found+"-"+g1', 'ef-'),
+('$b', 'b', FAIL),
+('a(b', 'a(b', SUCCEED,
+ 'found+"-"+g1', 'a(b-None'),
+('a(*b', 'ab', SUCCEED,
+ 'found', 'ab'),
+('a(*b', 'a((b', SUCCEED,
+ 'found', 'a((b'),
+('a\\\\b', 'a\\b', SUCCEED,
+ 'found', 'a\\b'),
+('\\(\\(a\\)\\)', 'abc', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'a-a-a'),
+('\\(a\\)b\\(c\\)', 'abc', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abc-a-c'),
+('a+b+c', 'aabbabc', SUCCEED,
+ 'found', 'abc'),
+('\\(a+\\|b\\)*', 'ab', SUCCEED,
+ 'found+"-"+g1', 'ab-b'),
+('\\(a+\\|b\\)+', 'ab', SUCCEED,
+ 'found+"-"+g1', 'ab-b'),
+('\\(a+\\|b\\)?', 'ab', SUCCEED,
+ 'found+"-"+g1', 'a-a'),
+('\\)\\(', '-', SYNTAX_ERROR),
+('[^ab]*', 'cde', SUCCEED,
+ 'found', 'cde'),
+('abc', '', FAIL),
+('a*', '', SUCCEED,
+ 'found', ''),
+('a\\|b\\|c\\|d\\|e', 'e', SUCCEED,
+ 'found', 'e'),
+('\\(a\\|b\\|c\\|d\\|e\\)f', 'ef', SUCCEED,
+ 'found+"-"+g1', 'ef-e'),
+('abcd*efg', 'abcdefg', SUCCEED,
+ 'found', 'abcdefg'),
+('ab*', 'xabyabbbz', SUCCEED,
+ 'found', 'ab'),
+('ab*', 'xayabbbz', SUCCEED,
+ 'found', 'a'),
+('\\(ab\\|cd\\)e', 'abcde', SUCCEED,
+ 'found+"-"+g1', 'cde-cd'),
+('[abhgefdc]ij', 'hij', SUCCEED,
+ 'found', 'hij'),
+('^\\(ab\\|cd\\)e', 'abcde', FAIL,
+ 'xg1y', 'xy'),
+('\\(abc\\|\\)ef', 'abcdef', SUCCEED,
+ 'found+"-"+g1', 'ef-'),
+('\\(a\\|b\\)c*d', 'abcd', SUCCEED,
+ 'found+"-"+g1', 'bcd-b'),
+('\\(ab\\|ab*\\)bc', 'abc', SUCCEED,
+ 'found+"-"+g1', 'abc-a'),
+('a\\([bc]*\\)c*', 'abc', SUCCEED,
+ 'found+"-"+g1', 'abc-bc'),
+('a\\([bc]*\\)\\(c*d\\)', 'abcd', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
+('a\\([bc]+\\)\\(c*d\\)', 'abcd', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
+('a\\([bc]*\\)\\(c+d\\)', 'abcd', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
+('a[bcd]*dcdcde', 'adcdcde', SUCCEED,
+ 'found', 'adcdcde'),
+('a[bcd]+dcdcde', 'adcdcde', FAIL),
+('\\(ab\\|a\\)b*c', 'abc', SUCCEED,
+ 'found+"-"+g1', 'abc-ab'),
+('\\(\\(a\\)\\(b\\)c\\)\\(d\\)', 'abcd', SUCCEED,
+ 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
+('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED,
+ 'found', 'alpha'),
+('^a\\(bc+\\|b[eh]\\)g\\|.h$', 'abh', SUCCEED,
+ 'found+"-"+g1', 'bh-None'),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'effgz', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'ij', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'effg', FAIL),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'bcdd', FAIL),
+('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'reffgz', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
+('\\(\\(\\(\\(\\(\\(\\(\\(\\(a\\)\\)\\)\\)\\)\\)\\)\\)\\)', 'a', SUCCEED,
+ 'found', 'a'),
+('multiple words of text', 'uh-uh', FAIL),
+('multiple words', 'multiple words, yeah', SUCCEED,
+ 'found', 'multiple words'),
+('\\(.*\\)c\\(.*\\)', 'abcde', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
+('(\\(.*\\), \\(.*\\))', '(a, b)', SUCCEED,
+ 'g2+"-"+g1', 'b-a'),
+('[k]', 'ab', FAIL),
+('a[-]?c', 'ac', SUCCEED,
+ 'found', 'ac'),
+('\\(abc\\)\\1', 'abcabc', SUCCEED,
+ 'g1', 'abc'),
+('\\([a-c]*\\)\\1', 'abcabc', SUCCEED,
+ 'g1', 'abc'),
+('^\\(.+\\)?B', 'AB', SUCCEED,
+ 'g1', 'A'),
+('\\(a+\\).\\1$', 'aaaaa', SUCCEED,
+ 'found+"-"+g1', 'aaaaa-aa'),
+('^\\(a+\\).\\1$', 'aaaa', FAIL),
+('\\(abc\\)\\1', 'abcabc', SUCCEED,
+ 'found+"-"+g1', 'abcabc-abc'),
+('\\([a-c]+\\)\\1', 'abcabc', SUCCEED,
+ 'found+"-"+g1', 'abcabc-abc'),
+('\\(a\\)\\1', 'aa', SUCCEED,
+ 'found+"-"+g1', 'aa-a'),
+('\\(a+\\)\\1', 'aa', SUCCEED,
+ 'found+"-"+g1', 'aa-a'),
+('\\(a+\\)+\\1', 'aa', SUCCEED,
+ 'found+"-"+g1', 'aa-a'),
+('\\(a\\).+\\1', 'aba', SUCCEED,
+ 'found+"-"+g1', 'aba-a'),
+('\\(a\\)ba*\\1', 'aba', SUCCEED,
+ 'found+"-"+g1', 'aba-a'),
+('\\(aa\\|a\\)a\\1$', 'aaa', SUCCEED,
+ 'found+"-"+g1', 'aaa-a'),
+('\\(a\\|aa\\)a\\1$', 'aaa', SUCCEED,
+ 'found+"-"+g1', 'aaa-a'),
+('\\(a+\\)a\\1$', 'aaa', SUCCEED,
+ 'found+"-"+g1', 'aaa-a'),
+('\\([abc]*\\)\\1', 'abcabc', SUCCEED,
+ 'found+"-"+g1', 'abcabc-abc'),
+('\\(a\\)\\(b\\)c\\|ab', 'ab', SUCCEED,
+ 'found+"-"+g1+"-"+g2', 'ab-None-None'),
+('\\(a\\)+x', 'aaax', SUCCEED,
+ 'found+"-"+g1', 'aaax-a'),
+('\\([ac]\\)+x', 'aacx', SUCCEED,
+ 'found+"-"+g1', 'aacx-c'),
+('\\([^/]*/\\)*sub1/', 'd:msgs/tdir/sub1/trial/away.cpp', SUCCEED,
+ 'found+"-"+g1', 'd:msgs/tdir/sub1/-tdir/'),
+('\\([^.]*\\)\\.\\([^:]*\\):[T ]+\\(.*\\)', 'track1.title:TBlah blah blah', SUCCEED,
+ 'found+"-"+g1+"-"+g2+"-"+g3', 'track1.title:TBlah blah blah-track1-title-Blah blah blah'),
+('\\([^N]*N\\)+', 'abNNxyzN', SUCCEED,
+ 'found+"-"+g1', 'abNNxyzN-xyzN'),
+('\\([^N]*N\\)+', 'abNNxyz', SUCCEED,
+ 'found+"-"+g1', 'abNN-N'),
+('\\([abc]*\\)x', 'abcx', SUCCEED,
+ 'found+"-"+g1', 'abcx-abc'),
+('\\([abc]*\\)x', 'abc', FAIL),
+('\\([xyz]*\\)x', 'abcx', SUCCEED,
+ 'found+"-"+g1', 'x-'),
+('\\(a\\)+b\\|aac', 'aac', SUCCEED,
+ 'found+"-"+g1', 'aac-None'),
+('\<a', 'a', SUCCEED, 'found', 'a'),
+('\<a', '!', FAIL),
+('a\<b', 'ab', FAIL),
+('a\>', 'ab', FAIL),
+('a\>', 'a!', SUCCEED, 'found', 'a'),
+('a\>', 'a', SUCCEED, 'found', 'a'),
+]
+
diff --git a/Lib/dos_8x3/socketse.py b/Lib/dos_8x3/socketse.py
index 6c371e2..ecd405f 100755
--- a/Lib/dos_8x3/socketse.py
+++ b/Lib/dos_8x3/socketse.py
@@ -34,10 +34,10 @@ synchronous servers of four types:
 	| UDPServer |------->| UnixDatagramServer |
 	+-----------+        +--------------------+
 
-(Note that UnixDatagramServer derives from UDPServer, not from
+Note that UnixDatagramServer derives from UDPServer, not from
 UnixStreamServer -- the only difference between an IP and a Unix
 stream server is the address family, which is simply repeated in both
-unix server classes.)
+unix server classes.
 
 Forking and threading versions of each type of server can be created
 using the ForkingServer and ThreadingServer mix-in classes.  For
@@ -45,8 +45,8 @@ instance, a threading UDP server class is created as follows:
 
 	class ThreadingUDPServer(ThreadingMixIn, UDPServer): pass
 
-(The Mix-in class must come first, since it overrides a method defined
-in UDPServer!)
+The Mix-in class must come first, since it overrides a method defined
+in UDPServer!
 
 To implement a service, you must derive a class from
 BaseRequestHandler and redefine its handle() method.  You can then run
@@ -266,7 +266,7 @@ class UDPServer(TCPServer):
     max_packet_size = 8192
 
     def get_request(self):
-	return self.socket.recvfrom(max_packet_size)
+	return self.socket.recvfrom(self.max_packet_size)
 
 
 if hasattr(socket, 'AF_UNIX'):
diff --git a/Lib/dos_8x3/stringio.py b/Lib/dos_8x3/stringio.py
index bbd9428..dba38e4 100755
--- a/Lib/dos_8x3/stringio.py
+++ b/Lib/dos_8x3/stringio.py
@@ -64,7 +64,7 @@ class StringIO:
 		r = self.buf[self.pos:newpos]
 		self.pos = newpos
 		return r
-	def readline(self):
+	def readline(self, length=None):
 		if self.buflist:
 			self.buf = self.buf + string.joinfields(self.buflist, '')
 			self.buflist = []
@@ -73,6 +73,9 @@ class StringIO:
 			newpos = self.len
 		else:
 			newpos = i+1
+		if length is not None:
+			if self.pos + length < newpos:
+				newpos = self.pos + length
 		r = self.buf[self.pos:newpos]
 		self.pos = newpos
 		return r
diff --git a/Lib/dos_8x3/test_opc.py b/Lib/dos_8x3/test_opc.py
index b1e944b..656e00a 100755
--- a/Lib/dos_8x3/test_opc.py
+++ b/Lib/dos_8x3/test_opc.py
@@ -57,3 +57,38 @@ except AClass, v:
 
 try:  raise BClass, a
 except TypeError: pass
+
+
+print '2.3 comparing function objects'
+
+f = eval('lambda: None')
+g = eval('lambda: None')
+if f != g: raise TestFailed
+
+f = eval('lambda a: a')
+g = eval('lambda a: a')
+if f != g: raise TestFailed
+
+f = eval('lambda a=1: a')
+g = eval('lambda a=1: a')
+if f != g: raise TestFailed
+
+f = eval('lambda: 0')
+g = eval('lambda: 1')
+if f == g: raise TestFailed
+
+f = eval('lambda: None')
+g = eval('lambda a: None')
+if f == g: raise TestFailed
+
+f = eval('lambda a: None')
+g = eval('lambda b: None')
+if f == g: raise TestFailed
+
+f = eval('lambda a: None')
+g = eval('lambda a=None: None')
+if f == g: raise TestFailed
+
+f = eval('lambda a=0: None')
+g = eval('lambda a=1: None')
+if f == g: raise TestFailed
diff --git a/Lib/dos_8x3/test_reg.py b/Lib/dos_8x3/test_reg.py
index 078ca40..4be6026 100644
--- a/Lib/dos_8x3/test_reg.py
+++ b/Lib/dos_8x3/test_reg.py
@@ -60,3 +60,51 @@ except regex.error:
     print 'caught expected exception'
 else:
     print 'expected regex.error not raised'
+
+from regex_tests import *
+if verbose: print 'Running regex_tests test suite'
+
+for t in tests:
+    pattern=s=outcome=repl=expected=None
+    if len(t)==5:
+	pattern, s, outcome, repl, expected = t
+    elif len(t)==3:
+	pattern, s, outcome = t 
+    else:
+	raise ValueError, ('Test tuples should have 3 or 5 fields',t)
+
+    try:
+	obj=regex.compile(pattern)
+    except regex.error:
+	if outcome==SYNTAX_ERROR: pass    # Expected a syntax error
+	else: 
+	    # Regex syntax errors aren't yet reported, so for 
+	    # the official test suite they'll be quietly ignored.
+	    pass
+	    #print '=== Syntax error:', t
+    else:
+	try:
+	    result=obj.search(s)
+	except regex.error, msg:
+	    print '=== Unexpected exception', t, repr(msg)
+	if outcome==SYNTAX_ERROR:
+	    # This should have been a syntax error; forget it.
+	    pass
+	elif outcome==FAIL:
+	    if result==-1: pass   # No match, as expected
+	    else: print '=== Succeeded incorrectly', t
+	elif outcome==SUCCEED:
+	    if result!=-1:
+		# Matched, as expected, so now we compute the
+		# result string and compare it to our expected result.
+		start, end = obj.regs[0]
+		found=s[start:end]
+		groups=obj.group(1,2,3,4,5,6,7,8,9,10)
+		vardict=vars()
+		for i in range(len(groups)):
+		    vardict['g'+str(i+1)]=str(groups[i])
+		repl=eval(repl)
+		if repl!=expected:
+		    print '=== grouping error', t, repr(repl)+' should be '+repr(expected)
+	    else:
+		print '=== Failed incorrectly', t
diff --git a/Lib/dos_8x3/test_rot.py b/Lib/dos_8x3/test_rot.py
index 338ea9d..99724bc 100644
--- a/Lib/dos_8x3/test_rot.py
+++ b/Lib/dos_8x3/test_rot.py
@@ -7,7 +7,7 @@ A = 'spam and eggs'
 B = 'cheese shop'
 
 a = r.encrypt(A)
-print a
+print `a`
 b = r.encryptmore(B)
 print b
 
diff --git a/Lib/dos_8x3/test_soc.py b/Lib/dos_8x3/test_soc.py
index 1fe8c41..c61a2c8 100644
--- a/Lib/dos_8x3/test_soc.py
+++ b/Lib/dos_8x3/test_soc.py
@@ -65,7 +65,7 @@ for optional in ("AF_UNIX",
 		 ):
     missing_ok(optional)
 
-socktype = socket.socket_type
+socktype = socket.SocketType
 hostname = socket.gethostname()
 ip = socket.gethostbyname(hostname)
 hname, aliases, ipaddrs = socket.gethostbyaddr(ip)
diff --git a/Lib/dos_8x3/test_thr.py b/Lib/dos_8x3/test_thr.py
index 8a1f435..113135b 100755
--- a/Lib/dos_8x3/test_thr.py
+++ b/Lib/dos_8x3/test_thr.py
@@ -21,7 +21,7 @@ def task(ident):
 	delay = whrandom.random() * numtasks
 	whmutex.release()
 	if verbose:
-	    print 'task', ident, 'will run for', delay, 'sec'
+	    print 'task', ident, 'will run for', round(delay, 1), 'sec'
 	time.sleep(delay)
 	if verbose:
 	    print 'task', ident, 'done'
@@ -89,7 +89,7 @@ def task2(ident):
 			delay = whrandom.random() * numtasks
 			whmutex.release()
 		if verbose:
-		    print 'task', ident, 'will run for', delay, 'sec'
+		    print 'task', ident, 'will run for', round(delay, 1), 'sec'
 		time.sleep(delay)
 		if verbose:
 		    print 'task', ident, 'entering barrier', i
diff --git a/Lib/dos_8x3/test_typ.py b/Lib/dos_8x3/test_typ.py
index 8be70b8..eedf65a 100755
--- a/Lib/dos_8x3/test_typ.py
+++ b/Lib/dos_8x3/test_typ.py
@@ -183,9 +183,9 @@ if d <> {'a': 4, 'c': 3}: raise TestFailed, 'dict item deletion'
 d = {1:1, 2:2, 3:3}
 d.clear()
 if d != {}: raise TestFailed, 'dict clear'
-d.absorb({1:100})
-d.absorb({2:20})
-d.absorb({1:1, 2:2, 3:3})
-if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict absorb'
+d.update({1:100})
+d.update({2:20})
+d.update({1:1, 2:2, 3:3})
+if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict update'
 if d.copy() != {1:1, 2:2, 3:3}: raise TestFailed, 'dict copy'
 if {}.copy() != {}: raise TestFailed, 'empty dict copy'
diff --git a/Lib/dos_8x3/tracebac.py b/Lib/dos_8x3/tracebac.py
index 7488f15..968a9cb 100755
--- a/Lib/dos_8x3/tracebac.py
+++ b/Lib/dos_8x3/tracebac.py
@@ -128,8 +128,11 @@ def format_exception_only(etype, value):
 def print_exc(limit=None, file=None):
 	if not file:
 		file = sys.stderr
-	print_exception(sys.exc_type, sys.exc_value, sys.exc_traceback,
-			limit, file)
+	try:
+	    etype, value, tb = sys.exc_info()
+	    print_exception(etype, value, tb, limit, file)
+	finally:
+	    etype = value = tb = None
 
 def print_last(limit=None, file=None):
 	if not file:
@@ -143,8 +146,7 @@ def print_stack(f=None, limit=None, file=None):
 		try:
 			raise ZeroDivisionError
 		except ZeroDivisionError:
-			tb = sys.exc_traceback
-			f = tb.tb_frame.f_back
+			f = sys.exc_info()[2].tb_frame.f_back
 	print_list(extract_stack(f, limit), file)
 
 def format_stack(f=None, limit=None):
@@ -152,17 +154,15 @@ def format_stack(f=None, limit=None):
 		try:
 			raise ZeroDivisionError
 		except ZeroDivisionError:
-			tb = sys.exc_traceback
-			f = tb.tb_frame.f_back
-	return format_list(extract_stack(t, limit))
+			f = sys.exc_info()[2].tb_frame.f_back
+	return format_list(extract_stack(f, limit))
 
 def extract_stack(f=None, limit = None):
 	if f is None:
 		try:
 			raise ZeroDivisionError
 		except ZeroDivisionError:
-			tb = sys.exc_traceback
-			f = tb.tb_frame.f_back
+			f = sys.exc_info()[2].tb_frame.f_back
 	if limit is None:
 		if hasattr(sys, 'tracebacklimit'):
 			limit = sys.tracebacklimit
diff --git a/Lib/dos_8x3/userdict.py b/Lib/dos_8x3/userdict.py
index f6b2f82..2f4f541 100755
--- a/Lib/dos_8x3/userdict.py
+++ b/Lib/dos_8x3/userdict.py
@@ -1,18 +1,28 @@
 # A more or less complete user-defined wrapper around dictionary objects
 
 class UserDict:
-	def __init__(self): self.data = {}
-	def __repr__(self): return repr(self.data)
-	def __cmp__(self, dict):
-		if type(dict) == type(self.data):
-			return cmp(self.data, dict)
-		else:
-			return cmp(self.data, dict.data)
-	def __len__(self): return len(self.data)
-	def __getitem__(self, key): return self.data[key]
-	def __setitem__(self, key, item): self.data[key] = item
-	def __delitem__(self, key): del self.data[key]
-	def keys(self): return self.data.keys()
-	def items(self): return self.data.items()
-	def values(self): return self.data.values()
-	def has_key(self, key): return self.data.has_key(key)
+    def __init__(self): self.data = {}
+    def __repr__(self): return repr(self.data)
+    def __cmp__(self, dict):
+	if type(dict) == type(self.data):
+	    return cmp(self.data, dict)
+	else:
+	    return cmp(self.data, dict.data)
+    def __len__(self): return len(self.data)
+    def __getitem__(self, key): return self.data[key]
+    def __setitem__(self, key, item): self.data[key] = item
+    def __delitem__(self, key): del self.data[key]
+    def clear(self): return self.data.clear()
+    def copy(self):
+	import copy
+	return copy.copy(self)
+    def keys(self): return self.data.keys()
+    def items(self): return self.data.items()
+    def values(self): return self.data.values()
+    def has_key(self, key): return self.data.has_key(key)
+    def update(self, other):
+	if type(other) is type(self.data):
+	    self.data.update(other)
+	else:
+	    for k, v in other.items():
+		self.data[k] = v