OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	10/28/2024 06:50:42 AM	rwxr-xr-x
📄 BaseHTTPServer.py	22.21 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 Bastion.py	5.61 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 CGIHTTPServer.py	12.78 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 ConfigParser.py	27.1 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 Cookie.py	25.92 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 DocXMLRPCServer.py	10.52 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 HTMLParser.py	16.77 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 LICENSE.txt	12.47 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 MimeWriter.py	6.33 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 Queue.py	8.38 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 SimpleHTTPServer.py	7.81 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 SimpleXMLRPCServer.py	25.21 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 SocketServer.py	23.39 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 StringIO.py	10.41 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 UserDict.py	6.89 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 UserList.py	3.56 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 UserString.py	9.46 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 _LWPCookieJar.py	6.4 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 _MozillaCookieJar.py	5.66 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 __future__.py	4.28 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 __phello__.foo.py	64 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 _abcoll.py	18.18 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 _osx_support.py	18.65 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 _pyio.py	68 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 _strptime.py	20.24 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 _sysconfigdata.py	126 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 _threading_local.py	7.09 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 _weakrefset.py	5.77 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 abc.py	6.98 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 aifc.py	33.77 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 antigravity.py	60 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 anydbm.py	2.6 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 argparse.egg-info	217 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 argparse.py	87.14 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 ast.py	11.53 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 asynchat.py	11.31 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 asyncore.py	20.45 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 atexit.py	1.67 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 audiodev.py	7.42 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 base64.py	11.53 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 bdb.py	21.21 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 binhex.py	14.35 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 bisect.py	2.53 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 bsddb	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 cProfile.py	6.42 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 calendar.py	22.84 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 cgi.py	34.96 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 cgitb.py	11.89 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 chunk.py	5.29 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 cmd.py	14.67 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 code.py	9.95 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 codecs.py	35.3 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 codeop.py	5.86 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 collections.py	27.15 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 colorsys.py	3.6 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 commands.py	2.49 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 compileall.py	7.58 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 compiler	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📁 config-x86_64-linux-gnu	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 contextlib.py	4.32 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 cookielib.py	63.9 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 copy.py	11.26 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 copy_reg.py	6.81 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 csv.py	16.32 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 ctypes	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📁 curses	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 dbhash.py	498 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 decimal.py	216.73 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 difflib.py	80.4 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 dircache.py	1.1 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 dis.py	6.35 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 dist-packages	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📁 distutils	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 doctest.py	102.63 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 dumbdbm.py	8.93 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 dummy_thread.py	4.31 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 dummy_threading.py	2.74 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 email	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📁 encodings	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📁 ensurepip	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 filecmp.py	9.36 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 fileinput.py	13.42 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 fnmatch.py	3.24 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 formatter.py	14.56 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 fpformat.py	4.62 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 fractions.py	21.87 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 ftplib.py	37.65 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 functools.py	4.69 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 genericpath.py	3.13 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 getopt.py	7.15 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 getpass.py	5.43 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 gettext.py	22.48 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 glob.py	3.04 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 gzip.py	18.58 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 hashlib.py	7.66 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 heapq.py	17.87 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 hmac.py	4.48 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 hotshot	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 htmlentitydefs.py	17.63 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 htmllib.py	12.57 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 httplib.py	51.72 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 ihooks.py	18.54 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 imaplib.py	47.23 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 imghdr.py	3.46 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 importlib	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 imputil.py	25.16 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 inspect.py	42 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 io.py	3.24 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 json	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 keyword.py	1.95 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📁 lib-dynload	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📁 lib-tk	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📁 lib2to3	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 linecache.py	3.93 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 locale.py	100.43 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 logging	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 macpath.py	6.14 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 macurl2path.py	2.67 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 mailbox.py	79.34 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 mailcap.py	8.21 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 markupbase.py	14.3 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 md5.py	358 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 mhlib.py	32.65 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 mimetools.py	7 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 mimetypes.py	20.54 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 mimify.py	14.67 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 modulefinder.py	23.89 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 multifile.py	4.71 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 multiprocessing	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 mutex.py	1.83 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 netrc.py	5.75 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 new.py	610 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 nntplib.py	20.97 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 ntpath.py	18.97 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 nturl2path.py	2.36 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 numbers.py	10.08 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 opcode.py	5.35 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 optparse.py	59.77 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 os.py	25.3 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 os2emxpath.py	4.53 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pdb.doc	7.73 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pdb.py	45.02 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 pickle.py	44.42 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pickletools.py	72.78 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pipes.py	9.36 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pkgutil.py	19.77 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 plat-x86_64-linux-gnu	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 platform.py	52.52 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 plistlib.py	14.83 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 popen2.py	8.22 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 poplib.py	12.52 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 posixfile.py	7.82 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 posixpath.py	13.96 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pprint.py	11.5 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 profile.py	22.25 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 pstats.py	26.09 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pty.py	4.94 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 py_compile.py	6.14 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pyclbr.py	13.07 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 pydoc.py	93.9 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📁 pydoc_data	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 quopri.py	6.8 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 random.py	31.7 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 re.py	13.11 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 repr.py	4.2 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 rexec.py	19.68 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 rfc822.py	32.76 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 rlcompleter.py	5.85 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 robotparser.py	7.51 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 runpy.py	10.82 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sched.py	4.97 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sets.py	18.6 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sgmllib.py	17.46 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sha.py	393 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 shelve.py	7.99 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 shlex.py	10.9 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 shutil.py	19.41 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 site.py	19.48 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sitecustomize.py	155 bytes	11/07/2019 10:07:09 AM	rw-r--r--
📄 smtpd.py	18.11 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 smtplib.py	31.38 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 sndhdr.py	5.83 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 socket.py	20.13 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 sqlite3	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 sre.py	384 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 sre_compile.py	19.36 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sre_constants.py	7.03 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sre_parse.py	29.98 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 ssl.py	36.58 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 stat.py	1.8 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 statvfs.py	898 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 string.py	21.04 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 stringold.py	12.16 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 stringprep.py	13.21 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 struct.py	82 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 subprocess.py	49.34 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sunau.py	16.82 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sunaudio.py	1.37 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 symbol.py	2.01 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 symtable.py	7.26 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 sysconfig.py	24.9 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 tabnanny.py	11.07 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 tarfile.py	88.53 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 telnetlib.py	26.4 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 tempfile.py	19.09 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 test	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 textwrap.py	16.88 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 this.py	1002 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 threading.py	46.01 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 timeit.py	12.49 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 toaiff.py	3.07 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 token.py	2.85 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 tokenize.py	17.07 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 trace.py	29.19 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 traceback.py	11.02 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 tty.py	879 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 types.py	2.04 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 unittest	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 urllib.py	58.68 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 urllib2.py	51.57 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 urlparse.py	16.78 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 user.py	1.59 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 uu.py	6.4 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 uuid.py	22.63 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 warnings.py	14.48 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 wave.py	18.15 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 weakref.py	14.48 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 webbrowser.py	22.19 KB	03/08/2023 06:40:28 PM	rwxr-xr-x
📄 whichdb.py	3.3 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 wsgiref	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 wsgiref.egg-info	187 bytes	03/08/2023 06:40:28 PM	rw-r--r--
📄 xdrlib.py	5.93 KB	03/08/2023 06:40:28 PM	rw-r--r--
📁 xml	-	05/09/2024 07:14:10 AM	rwxr-xr-x
📄 xmllib.py	34.05 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 xmlrpclib.py	50.91 KB	03/08/2023 06:40:28 PM	rw-r--r--
📄 zipfile.py	58.08 KB	03/08/2023 06:40:28 PM	rw-r--r--

Editing: sre_parse.py

#
# Secret Labs' Regular Expression Engine
#
# convert re-style regular expression to sre pattern
#
# Copyright (c) 1998-2001 by Secret Labs AB.  All rights reserved.
#
# See the sre.py file for information on usage and redistribution.
#

"""Internal support module for sre"""

# XXX: show string offset and offending character for all errors

import sys

from sre_constants import *

SPECIAL_CHARS = ".\\[{()*+?^$|"
REPEAT_CHARS = "*+?{"

DIGITS = set("0123456789")

OCTDIGITS = set("01234567")
HEXDIGITS = set("0123456789abcdefABCDEF")
ASCIILETTERS = set("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")

WHITESPACE = set(" \t\n\r\v\f")

ESCAPES = {
    r"\a": (LITERAL, ord("\a")),
    r"\b": (LITERAL, ord("\b")),
    r"\f": (LITERAL, ord("\f")),
    r"\n": (LITERAL, ord("\n")),
    r"\r": (LITERAL, ord("\r")),
    r"\t": (LITERAL, ord("\t")),
    r"\v": (LITERAL, ord("\v")),
    r"\\": (LITERAL, ord("\\"))
}

CATEGORIES = {
    r"\A": (AT, AT_BEGINNING_STRING), # start of string
    r"\b": (AT, AT_BOUNDARY),
    r"\B": (AT, AT_NON_BOUNDARY),
    r"\d": (IN, [(CATEGORY, CATEGORY_DIGIT)]),
    r"\D": (IN, [(CATEGORY, CATEGORY_NOT_DIGIT)]),
    r"\s": (IN, [(CATEGORY, CATEGORY_SPACE)]),
    r"\S": (IN, [(CATEGORY, CATEGORY_NOT_SPACE)]),
    r"\w": (IN, [(CATEGORY, CATEGORY_WORD)]),
    r"\W": (IN, [(CATEGORY, CATEGORY_NOT_WORD)]),
    r"\Z": (AT, AT_END_STRING), # end of string
}

FLAGS = {
    # standard flags
    "i": SRE_FLAG_IGNORECASE,
    "L": SRE_FLAG_LOCALE,
    "m": SRE_FLAG_MULTILINE,
    "s": SRE_FLAG_DOTALL,
    "x": SRE_FLAG_VERBOSE,
    # extensions
    "t": SRE_FLAG_TEMPLATE,
    "u": SRE_FLAG_UNICODE,
}

class Pattern:
    # master pattern object.  keeps track of global attributes
    def __init__(self):
        self.flags = 0
        self.open = []
        self.groups = 1
        self.groupdict = {}
        self.lookbehind = 0

def opengroup(self, name=None):
        gid = self.groups
        self.groups = gid + 1
        if name is not None:
            ogid = self.groupdict.get(name, None)
            if ogid is not None:
                raise error, ("redefinition of group name %s as group %d; "
                              "was group %d" % (repr(name), gid,  ogid))
            self.groupdict[name] = gid
        self.open.append(gid)
        return gid
    def closegroup(self, gid):
        self.open.remove(gid)
    def checkgroup(self, gid):
        return gid < self.groups and gid not in self.open

class SubPattern:
    # a subpattern, in intermediate form
    def __init__(self, pattern, data=None):
        self.pattern = pattern
        if data is None:
            data = []
        self.data = data
        self.width = None
    def dump(self, level=0):
        seqtypes = (tuple, list)
        for op, av in self.data:
            print level*"  " + op,
            if op == IN:
                # member sublanguage
                print
                for op, a in av:
                    print (level+1)*"  " + op, a
            elif op == BRANCH:
                print
                for i, a in enumerate(av[1]):
                    if i:
                        print level*"  " + "or"
                    a.dump(level+1)
            elif op == GROUPREF_EXISTS:
                condgroup, item_yes, item_no = av
                print condgroup
                item_yes.dump(level+1)
                if item_no:
                    print level*"  " + "else"
                    item_no.dump(level+1)
            elif isinstance(av, seqtypes):
                nl = 0
                for a in av:
                    if isinstance(a, SubPattern):
                        if not nl:
                            print
                        a.dump(level+1)
                        nl = 1
                    else:
                        print a,
                        nl = 0
                if not nl:
                    print
            else:
                print av
    def __repr__(self):
        return repr(self.data)
    def __len__(self):
        return len(self.data)
    def __delitem__(self, index):
        del self.data[index]
    def __getitem__(self, index):
        if isinstance(index, slice):
            return SubPattern(self.pattern, self.data[index])
        return self.data[index]
    def __setitem__(self, index, code):
        self.data[index] = code
    def insert(self, index, code):
        self.data.insert(index, code)
    def append(self, code):
        self.data.append(code)
    def getwidth(self):
        # determine the width (min, max) for this subpattern
        if self.width:
            return self.width
        lo = hi = 0
        UNITCODES = (ANY, RANGE, IN, LITERAL, NOT_LITERAL, CATEGORY)
        REPEATCODES = (MIN_REPEAT, MAX_REPEAT)
        for op, av in self.data:
            if op is BRANCH:
                i = MAXREPEAT - 1
                j = 0
                for av in av[1]:
                    l, h = av.getwidth()
                    i = min(i, l)
                    j = max(j, h)
                lo = lo + i
                hi = hi + j
            elif op is CALL:
                i, j = av.getwidth()
                lo = lo + i
                hi = hi + j
            elif op is SUBPATTERN:
                i, j = av[1].getwidth()
                lo = lo + i
                hi = hi + j
            elif op in REPEATCODES:
                i, j = av[2].getwidth()
                lo = lo + i * av[0]
                hi = hi + j * av[1]
            elif op in UNITCODES:
                lo = lo + 1
                hi = hi + 1
            elif op == SUCCESS:
                break
        self.width = min(lo, MAXREPEAT - 1), min(hi, MAXREPEAT)
        return self.width

class Tokenizer:
    def __init__(self, string):
        self.string = string
        self.index = 0
        self.__next()
    def __next(self):
        if self.index >= len(self.string):
            self.next = None
            return
        char = self.string[self.index]
        if char[0] == "\\":
            try:
                c = self.string[self.index + 1]
            except IndexError:
                raise error, "bogus escape (end of line)"
            char = char + c
        self.index = self.index + len(char)
        self.next = char
    def match(self, char, skip=1):
        if char == self.next:
            if skip:
                self.__next()
            return 1
        return 0
    def get(self):
        this = self.next
        self.__next()
        return this
    def tell(self):
        return self.index, self.next
    def seek(self, index):
        self.index, self.next = index

def isident(char):
    return "a" <= char <= "z" or "A" <= char <= "Z" or char == "_"

def isdigit(char):
    return "0" <= char <= "9"

def isname(name):
    # check that group name is a valid string
    if not isident(name[0]):
        return False
    for char in name[1:]:
        if not isident(char) and not isdigit(char):
            return False
    return True

def _class_escape(source, escape, nested):
    # handle escape code inside character class
    code = ESCAPES.get(escape)
    if code:
        return code
    code = CATEGORIES.get(escape)
    if code and code[0] == IN:
        return code
    try:
        c = escape[1:2]
        if c == "x":
            # hexadecimal escape (exactly two digits)
            while source.next in HEXDIGITS and len(escape) < 4:
                escape = escape + source.get()
            escape = escape[2:]
            if len(escape) != 2:
                raise error, "bogus escape: %s" % repr("\\" + escape)
            return LITERAL, int(escape, 16) & 0xff
        elif c in OCTDIGITS:
            # octal escape (up to three digits)
            while source.next in OCTDIGITS and len(escape) < 4:
                escape = escape + source.get()
            escape = escape[1:]
            return LITERAL, int(escape, 8) & 0xff
        elif c in DIGITS:
            raise error, "bogus escape: %s" % repr(escape)
        if len(escape) == 2:
            if sys.py3kwarning and c in ASCIILETTERS:
                import warnings
                if c in 'Uu':
                    warnings.warn('bad escape %s; Unicode escapes are '
                                  'supported only since Python 3.3' % escape,
                                  FutureWarning, stacklevel=nested + 6)
                else:
                    warnings.warnpy3k('bad escape %s' % escape,
                                      DeprecationWarning, stacklevel=nested + 6)
            return LITERAL, ord(escape[1])
    except ValueError:
        pass
    raise error, "bogus escape: %s" % repr(escape)

def _escape(source, escape, state, nested):
    # handle escape code in expression
    code = CATEGORIES.get(escape)
    if code:
        return code
    code = ESCAPES.get(escape)
    if code:
        return code
    try:
        c = escape[1:2]
        if c == "x":
            # hexadecimal escape
            while source.next in HEXDIGITS and len(escape) < 4:
                escape = escape + source.get()
            if len(escape) != 4:
                raise ValueError
            return LITERAL, int(escape[2:], 16) & 0xff
        elif c == "0":
            # octal escape
            while source.next in OCTDIGITS and len(escape) < 4:
                escape = escape + source.get()
            return LITERAL, int(escape[1:], 8) & 0xff
        elif c in DIGITS:
            # octal escape *or* decimal group reference (sigh)
            if source.next in DIGITS:
                escape = escape + source.get()
                if (escape[1] in OCTDIGITS and escape[2] in OCTDIGITS and
                    source.next in OCTDIGITS):
                    # got three octal digits; this is an octal escape
                    escape = escape + source.get()
                    return LITERAL, int(escape[1:], 8) & 0xff
            # not an octal escape, so this is a group reference
            group = int(escape[1:])
            if group < state.groups:
                if not state.checkgroup(group):
                    raise error, "cannot refer to open group"
                if state.lookbehind:
                    import warnings
                    warnings.warn('group references in lookbehind '
                                  'assertions are not supported',
                                  RuntimeWarning, stacklevel=nested + 6)
                return GROUPREF, group
            raise ValueError
        if len(escape) == 2:
            if sys.py3kwarning and c in ASCIILETTERS:
                import warnings
                if c in 'Uu':
                    warnings.warn('bad escape %s; Unicode escapes are '
                                  'supported only since Python 3.3' % escape,
                                  FutureWarning, stacklevel=nested + 6)
                else:
                    warnings.warnpy3k('bad escape %s' % escape,
                                      DeprecationWarning, stacklevel=nested + 6)
            return LITERAL, ord(escape[1])
    except ValueError:
        pass
    raise error, "bogus escape: %s" % repr(escape)

def _parse_sub(source, state, nested):
    # parse an alternation: a|b|c

items = []
    itemsappend = items.append
    sourcematch = source.match
    while 1:
        itemsappend(_parse(source, state, nested + 1))
        if sourcematch("|"):
            continue
        if not nested:
            break
        if not source.next or sourcematch(")", 0):
            break
        else:
            raise error, "pattern not properly closed"

if len(items) == 1:
        return items[0]

subpattern = SubPattern(state)
    subpatternappend = subpattern.append

# check if all items share a common prefix
    while 1:
        prefix = None
        for item in items:
            if not item:
                break
            if prefix is None:
                prefix = item[0]
            elif item[0] != prefix:
                break
        else:
            # all subitems start with a common "prefix".
            # move it out of the branch
            for item in items:
                del item[0]
            subpatternappend(prefix)
            continue # check next one
        break

# check if the branch can be replaced by a character set
    for item in items:
        if len(item) != 1 or item[0][0] != LITERAL:
            break
    else:
        # we can store this as a character set instead of a
        # branch (the compiler may optimize this even more)
        set = []
        setappend = set.append
        for item in items:
            setappend(item[0])
        subpatternappend((IN, set))
        return subpattern

subpattern.append((BRANCH, (None, items)))
    return subpattern

def _parse_sub_cond(source, state, condgroup, nested):
    item_yes = _parse(source, state, nested + 1)
    if source.match("|"):
        item_no = _parse(source, state, nested + 1)
        if source.match("|"):
            raise error, "conditional backref with more than two branches"
    else:
        item_no = None
    if source.next and not source.match(")", 0):
        raise error, "pattern not properly closed"
    subpattern = SubPattern(state)
    subpattern.append((GROUPREF_EXISTS, (condgroup, item_yes, item_no)))
    return subpattern

_PATTERNENDERS = set("|)")
_ASSERTCHARS = set("=!<")
_LOOKBEHINDASSERTCHARS = set("=!")
_REPEATCODES = set([MIN_REPEAT, MAX_REPEAT])

def _parse(source, state, nested):
    # parse a simple pattern
    subpattern = SubPattern(state)

# precompute constants into local variables
    subpatternappend = subpattern.append
    sourceget = source.get
    sourcematch = source.match
    _len = len
    PATTERNENDERS = _PATTERNENDERS
    ASSERTCHARS = _ASSERTCHARS
    LOOKBEHINDASSERTCHARS = _LOOKBEHINDASSERTCHARS
    REPEATCODES = _REPEATCODES

while 1:

if source.next in PATTERNENDERS:
            break # end of subpattern
        this = sourceget()
        if this is None:
            break # end of pattern

if state.flags & SRE_FLAG_VERBOSE:
            # skip whitespace and comments
            if this in WHITESPACE:
                continue
            if this == "#":
                while 1:
                    this = sourceget()
                    if this in (None, "\n"):
                        break
                continue

if this and this[0] not in SPECIAL_CHARS:
            subpatternappend((LITERAL, ord(this)))

elif this == "[":
            # character set
            set = []
            setappend = set.append
##          if sourcematch(":"):
##              pass # handle character classes
            if sourcematch("^"):
                setappend((NEGATE, None))
            # check remaining characters
            start = set[:]
            while 1:
                this = sourceget()
                if this == "]" and set != start:
                    break
                elif this and this[0] == "\\":
                    code1 = _class_escape(source, this, nested + 1)
                elif this:
                    code1 = LITERAL, ord(this)
                else:
                    raise error, "unexpected end of regular expression"
                if sourcematch("-"):
                    # potential range
                    this = sourceget()
                    if this == "]":
                        if code1[0] is IN:
                            code1 = code1[1][0]
                        setappend(code1)
                        setappend((LITERAL, ord("-")))
                        break
                    elif this:
                        if this[0] == "\\":
                            code2 = _class_escape(source, this, nested + 1)
                        else:
                            code2 = LITERAL, ord(this)
                        if code1[0] != LITERAL or code2[0] != LITERAL:
                            raise error, "bad character range"
                        lo = code1[1]
                        hi = code2[1]
                        if hi < lo:
                            raise error, "bad character range"
                        setappend((RANGE, (lo, hi)))
                    else:
                        raise error, "unexpected end of regular expression"
                else:
                    if code1[0] is IN:
                        code1 = code1[1][0]
                    setappend(code1)

# XXX: <fl> should move set optimization to compiler!
            if _len(set)==1 and set[0][0] is LITERAL:
                subpatternappend(set[0]) # optimization
            elif _len(set)==2 and set[0][0] is NEGATE and set[1][0] is LITERAL:
                subpatternappend((NOT_LITERAL, set[1][1])) # optimization
            else:
                # XXX: <fl> should add charmap optimization here
                subpatternappend((IN, set))

elif this and this[0] in REPEAT_CHARS:
            # repeat previous item
            if this == "?":
                min, max = 0, 1
            elif this == "*":
                min, max = 0, MAXREPEAT

elif this == "+":
                min, max = 1, MAXREPEAT
            elif this == "{":
                if source.next == "}":
                    subpatternappend((LITERAL, ord(this)))
                    continue
                here = source.tell()
                min, max = 0, MAXREPEAT
                lo = hi = ""
                while source.next in DIGITS:
                    lo = lo + source.get()
                if sourcematch(","):
                    while source.next in DIGITS:
                        hi = hi + sourceget()
                else:
                    hi = lo
                if not sourcematch("}"):
                    subpatternappend((LITERAL, ord(this)))
                    source.seek(here)
                    continue
                if lo:
                    min = int(lo)
                    if min >= MAXREPEAT:
                        raise OverflowError("the repetition number is too large")
                if hi:
                    max = int(hi)
                    if max >= MAXREPEAT:
                        raise OverflowError("the repetition number is too large")
                    if max < min:
                        raise error("bad repeat interval")
            else:
                raise error, "not supported"
            # figure out which item to repeat
            if subpattern:
                item = subpattern[-1:]
            else:
                item = None
            if not item or (_len(item) == 1 and item[0][0] == AT):
                raise error, "nothing to repeat"
            if item[0][0] in REPEATCODES:
                raise error, "multiple repeat"
            if sourcematch("?"):
                subpattern[-1] = (MIN_REPEAT, (min, max, item))
            else:
                subpattern[-1] = (MAX_REPEAT, (min, max, item))

elif this == ".":
            subpatternappend((ANY, None))

elif this == "(":
            group = 1
            name = None
            condgroup = None
            if sourcematch("?"):
                group = 0
                # options
                if sourcematch("P"):
                    # python extensions
                    if sourcematch("<"):
                        # named group: skip forward to end of name
                        name = ""
                        while 1:
                            char = sourceget()
                            if char is None:
                                raise error, "unterminated name"
                            if char == ">":
                                break
                            name = name + char
                        group = 1
                        if not name:
                            raise error("missing group name")
                        if not isname(name):
                            raise error("bad character in group name %r" %
                                        name)
                    elif sourcematch("="):
                        # named backreference
                        name = ""
                        while 1:
                            char = sourceget()
                            if char is None:
                                raise error, "unterminated name"
                            if char == ")":
                                break
                            name = name + char
                        if not name:
                            raise error("missing group name")
                        if not isname(name):
                            raise error("bad character in backref group name "
                                        "%r" % name)
                        gid = state.groupdict.get(name)
                        if gid is None:
                            msg = "unknown group name: {0!r}".format(name)
                            raise error(msg)
                        if state.lookbehind:
                            import warnings
                            warnings.warn('group references in lookbehind '
                                          'assertions are not supported',
                                          RuntimeWarning, stacklevel=nested + 6)
                        subpatternappend((GROUPREF, gid))
                        continue
                    else:
                        char = sourceget()
                        if char is None:
                            raise error, "unexpected end of pattern"
                        raise error, "unknown specifier: ?P%s" % char
                elif sourcematch(":"):
                    # non-capturing group
                    group = 2
                elif sourcematch("#"):
                    # comment
                    while 1:
                        if source.next is None or source.next == ")":
                            break
                        sourceget()
                    if not sourcematch(")"):
                        raise error, "unbalanced parenthesis"
                    continue
                elif source.next in ASSERTCHARS:
                    # lookahead assertions
                    char = sourceget()
                    dir = 1
                    if char == "<":
                        if source.next not in LOOKBEHINDASSERTCHARS:
                            raise error, "syntax error"
                        dir = -1 # lookbehind
                        char = sourceget()
                        state.lookbehind += 1
                    p = _parse_sub(source, state, nested + 1)
                    if dir < 0:
                        state.lookbehind -= 1
                    if not sourcematch(")"):
                        raise error, "unbalanced parenthesis"
                    if char == "=":
                        subpatternappend((ASSERT, (dir, p)))
                    else:
                        subpatternappend((ASSERT_NOT, (dir, p)))
                    continue
                elif sourcematch("("):
                    # conditional backreference group
                    condname = ""
                    while 1:
                        char = sourceget()
                        if char is None:
                            raise error, "unterminated name"
                        if char == ")":
                            break
                        condname = condname + char
                    group = 2
                    if not condname:
                        raise error("missing group name")
                    if isname(condname):
                        condgroup = state.groupdict.get(condname)
                        if condgroup is None:
                            msg = "unknown group name: {0!r}".format(condname)
                            raise error(msg)
                    else:
                        try:
                            condgroup = int(condname)
                        except ValueError:
                            raise error, "bad character in group name"
                    if state.lookbehind:
                        import warnings
                        warnings.warn('group references in lookbehind '
                                      'assertions are not supported',
                                      RuntimeWarning, stacklevel=nested + 6)
                else:
                    # flags
                    if not source.next in FLAGS:
                        raise error, "unexpected end of pattern"
                    while source.next in FLAGS:
                        state.flags = state.flags | FLAGS[sourceget()]
            if group:
                # parse group contents
                if group == 2:
                    # anonymous group
                    group = None
                else:
                    group = state.opengroup(name)
                if condgroup:
                    p = _parse_sub_cond(source, state, condgroup, nested + 1)
                else:
                    p = _parse_sub(source, state, nested + 1)
                if not sourcematch(")"):
                    raise error, "unbalanced parenthesis"
                if group is not None:
                    state.closegroup(group)
                subpatternappend((SUBPATTERN, (group, p)))
            else:
                while 1:
                    char = sourceget()
                    if char is None:
                        raise error, "unexpected end of pattern"
                    if char == ")":
                        break
                    raise error, "unknown extension"

elif this == "^":
            subpatternappend((AT, AT_BEGINNING))

elif this == "$":
            subpattern.append((AT, AT_END))

elif this and this[0] == "\\":
            code = _escape(source, this, state, nested + 1)
            subpatternappend(code)

else:
            raise error, "parser error"

return subpattern

def parse(str, flags=0, pattern=None):
    # parse 're' pattern into list of (opcode, argument) tuples

source = Tokenizer(str)

if pattern is None:
        pattern = Pattern()
    pattern.flags = flags
    pattern.str = str

p = _parse_sub(source, pattern, 0)
    if (sys.py3kwarning and
        (p.pattern.flags & SRE_FLAG_LOCALE) and
        (p.pattern.flags & SRE_FLAG_UNICODE)):
        import warnings
        warnings.warnpy3k("LOCALE and UNICODE flags are incompatible",
                          DeprecationWarning, stacklevel=5)

tail = source.get()
    if tail == ")":
        raise error, "unbalanced parenthesis"
    elif tail:
        raise error, "bogus characters at end of regular expression"

if not (flags & SRE_FLAG_VERBOSE) and p.pattern.flags & SRE_FLAG_VERBOSE:
        # the VERBOSE flag was switched on inside the pattern.  to be
        # on the safe side, we'll parse the whole thing again...
        return parse(str, p.pattern.flags)

if flags & SRE_FLAG_DEBUG:
        p.dump()

return p

def parse_template(source, pattern):
    # parse 're' replacement string into list of literals and
    # group references
    s = Tokenizer(source)
    sget = s.get
    p = []
    a = p.append
    def literal(literal, p=p, pappend=a):
        if p and p[-1][0] is LITERAL:
            p[-1] = LITERAL, p[-1][1] + literal
        else:
            pappend((LITERAL, literal))
    sep = source[:0]
    if type(sep) is type(""):
        makechar = chr
    else:
        makechar = unichr
    while 1:
        this = sget()
        if this is None:
            break # end of replacement string
        if this and this[0] == "\\":
            # group
            c = this[1:2]
            if c == "g":
                name = ""
                if s.match("<"):
                    while 1:
                        char = sget()
                        if char is None:
                            raise error, "unterminated group name"
                        if char == ">":
                            break
                        name = name + char
                if not name:
                    raise error, "missing group name"
                try:
                    index = int(name)
                    if index < 0:
                        raise error, "negative group number"
                except ValueError:
                    if not isname(name):
                        raise error, "bad character in group name"
                    try:
                        index = pattern.groupindex[name]
                    except KeyError:
                        msg = "unknown group name: {0!r}".format(name)
                        raise IndexError(msg)
                a((MARK, index))
            elif c == "0":
                if s.next in OCTDIGITS:
                    this = this + sget()
                    if s.next in OCTDIGITS:
                        this = this + sget()
                literal(makechar(int(this[1:], 8) & 0xff))
            elif c in DIGITS:
                isoctal = False
                if s.next in DIGITS:
                    this = this + sget()
                    if (c in OCTDIGITS and this[2] in OCTDIGITS and
                        s.next in OCTDIGITS):
                        this = this + sget()
                        isoctal = True
                        literal(makechar(int(this[1:], 8) & 0xff))
                if not isoctal:
                    a((MARK, int(this[1:])))
            else:
                try:
                    this = makechar(ESCAPES[this][1])
                except KeyError:
                    if sys.py3kwarning and c in ASCIILETTERS:
                        import warnings
                        warnings.warnpy3k('bad escape %s' % this,
                                          DeprecationWarning, stacklevel=4)
                literal(this)
        else:
            literal(this)
    # convert template to groups and literals lists
    i = 0
    groups = []
    groupsappend = groups.append
    literals = [None] * len(p)
    for c, s in p:
        if c is MARK:
            groupsappend((i, s))
            # literal[i] is already None
        else:
            literals[i] = s
        i = i + 1
    return groups, literals

def expand_template(template, match):
    g = match.group
    sep = match.string[:0]
    groups, literals = template
    literals = literals[:]
    try:
        for index, group in groups:
            literals[index] = s = g(group)
            if s is None:
                raise error, "unmatched group"
    except IndexError:
        raise error, "invalid group reference"
    return sep.join(literals)