golden hour

/opt/alt/python27/lib64/python2.7

File/Folder	Size	Actions
BaseHTTPServer.py	22.21 KB
BaseHTTPServer.pyc	21.47 KB
BaseHTTPServer.pyo	21.47 KB
Bastion.py	5.61 KB
Bastion.pyc	6.69 KB
Bastion.pyo	6.69 KB
CGIHTTPServer.py	12.78 KB
CGIHTTPServer.pyc	10.92 KB
CGIHTTPServer.pyo	10.92 KB
ConfigParser.py	27.1 KB
ConfigParser.pyc	25.37 KB
ConfigParser.pyo	25.37 KB
Cookie.py	25.92 KB
Cookie.pyc	22.61 KB
Cookie.pyo	22.61 KB
DocXMLRPCServer.py	10.52 KB
DocXMLRPCServer.pyc	10.2 KB
DocXMLRPCServer.pyo	10.09 KB
HTMLParser.py	16.77 KB
HTMLParser.pyc	13.81 KB
HTMLParser.pyo	13.51 KB
MimeWriter.py	6.33 KB
MimeWriter.pyc	7.31 KB
MimeWriter.pyo	7.31 KB
Queue.py	8.38 KB
Queue.pyc	9.56 KB
Queue.pyo	9.56 KB
SimpleHTTPServer.py	7.81 KB
SimpleHTTPServer.pyc	7.96 KB
SimpleHTTPServer.pyo	7.96 KB
SimpleXMLRPCServer.py	25.21 KB
SimpleXMLRPCServer.pyc	22.78 KB
SimpleXMLRPCServer.pyo	22.78 KB
SocketServer.py	23.39 KB
SocketServer.pyc	24.25 KB
SocketServer.pyo	24.25 KB
StringIO.py	10.41 KB
StringIO.pyc	11.45 KB
StringIO.pyo	11.45 KB
UserDict.py	6.89 KB
UserDict.pyc	10.05 KB
UserDict.pyo	10.05 KB
UserList.py	3.56 KB
UserList.pyc	6.85 KB
UserList.pyo	6.85 KB
UserString.py	9.47 KB
UserString.pyc	15.38 KB
UserString.pyo	15.38 KB
_LWPCookieJar.py	6.4 KB
_LWPCookieJar.pyc	5.38 KB
_LWPCookieJar.pyo	5.38 KB
_MozillaCookieJar.py	5.66 KB
_MozillaCookieJar.pyc	4.41 KB
_MozillaCookieJar.pyo	4.37 KB
__future__.py	4.28 KB
__future__.pyc	4.2 KB
__future__.pyo	4.2 KB
__phello__.foo.py	64 B
__phello__.foo.pyc	138 B
__phello__.foo.pyo	138 B
_abcoll.py	18.18 KB
_abcoll.pyc	26.4 KB
_abcoll.pyo	26.4 KB
_osx_support.py	18.65 KB
_osx_support.pyc	11.72 KB
_osx_support.pyo	11.72 KB
_pyio.py	68 KB
_pyio.pyc	65.41 KB
_pyio.pyo	65.41 KB
_strptime.py	20.24 KB
_strptime.pyc	15.07 KB
_strptime.pyo	15.07 KB
_sysconfigdata.py	18.9 KB
_sysconfigdata.pyc	22 KB
_sysconfigdata.pyo	22 KB
_threading_local.py	7.09 KB
_threading_local.pyc	6.34 KB
_threading_local.pyo	6.34 KB
_weakrefset.py	5.77 KB
_weakrefset.pyc	10.06 KB
_weakrefset.pyo	10.06 KB
abc.py	6.98 KB
abc.pyc	6.14 KB
abc.pyo	6.08 KB
aifc.py	33.77 KB
aifc.pyc	30.67 KB
aifc.pyo	30.67 KB
antigravity.py	60 B
antigravity.pyc	216 B
antigravity.pyo	216 B
anydbm.py	2.6 KB
anydbm.pyc	2.77 KB
anydbm.pyo	2.77 KB
argparse.py	87.14 KB
argparse.pyc	64.83 KB
argparse.pyo	64.67 KB
ast.py	11.53 KB
ast.pyc	12.94 KB
ast.pyo	12.94 KB
asynchat.py	11.31 KB
asynchat.pyc	8.98 KB
asynchat.pyo	8.98 KB
asyncore.py	20.45 KB
asyncore.pyc	19.2 KB
asyncore.pyo	19.2 KB
atexit.py	1.67 KB
atexit.pyc	2.23 KB
atexit.pyo	2.23 KB
audiodev.py	7.42 KB
audiodev.pyc	8.61 KB
audiodev.pyo	8.61 KB
base64.py	11.54 KB
base64.pyc	11.26 KB
base64.pyo	11.26 KB
bdb.py	21.21 KB
bdb.pyc	19.43 KB
bdb.pyo	19.43 KB
binhex.py	14.35 KB
binhex.pyc	15.75 KB
binhex.pyo	15.75 KB
bisect.py	2.53 KB
bisect.pyc	3.06 KB
bisect.pyo	3.06 KB
bsddb	-
cProfile.py	6.43 KB
cProfile.pyc	6.42 KB
cProfile.pyo	6.42 KB
calendar.py	22.84 KB
calendar.pyc	28.26 KB
calendar.pyo	28.26 KB
cgi.py	34.97 KB
cgi.pyc	33.24 KB
cgi.pyo	33.24 KB
cgitb.py	11.89 KB
cgitb.pyc	12.08 KB
cgitb.pyo	12.08 KB
chunk.py	5.29 KB
chunk.pyc	5.61 KB
chunk.pyo	5.61 KB
cmd.py	14.67 KB
cmd.pyc	13.98 KB
cmd.pyo	13.98 KB
code.py	9.95 KB
code.pyc	10.29 KB
code.pyo	10.29 KB
codecs.py	35.3 KB
codecs.pyc	37.15 KB
codecs.pyo	37.15 KB
codeop.py	5.86 KB
codeop.pyc	6.57 KB
codeop.pyo	6.57 KB
collections.py	27.15 KB
collections.pyc	26.21 KB
collections.pyo	26.16 KB
colorsys.py	3.6 KB
colorsys.pyc	4 KB
colorsys.pyo	4 KB
commands.py	2.49 KB
commands.pyc	2.49 KB
commands.pyo	2.49 KB
compileall.py	7.58 KB
compileall.pyc	6.93 KB
compileall.pyo	6.93 KB
compiler	-
config	-
contextlib.py	4.32 KB
contextlib.pyc	4.5 KB
contextlib.pyo	4.5 KB
cookielib.py	63.95 KB
cookielib.pyc	54.67 KB
cookielib.pyo	54.49 KB
copy.py	11.26 KB
copy.pyc	12.21 KB
copy.pyo	12.13 KB
copy_reg.py	6.81 KB
copy_reg.pyc	5.19 KB
copy_reg.pyo	5.14 KB
crypt.py	2.24 KB
crypt.pyc	2.95 KB
crypt.pyo	2.95 KB
csv.py	16.32 KB
csv.pyc	13.56 KB
csv.pyo	13.56 KB
ctypes	-
curses	-
dbhash.py	498 B
dbhash.pyc	744 B
dbhash.pyo	744 B
decimal.py	216.73 KB
decimal.pyc	171.36 KB
decimal.pyo	171.36 KB
difflib.py	80.4 KB
difflib.pyc	61.13 KB
difflib.pyo	61.08 KB
dircache.py	1.1 KB
dircache.pyc	1.59 KB
dircache.pyo	1.59 KB
dis.py	6.35 KB
dis.pyc	6.18 KB
dis.pyo	6.18 KB
distutils	-
doctest.py	102.63 KB
doctest.pyc	83.21 KB
doctest.pyo	82.93 KB
dumbdbm.py	8.93 KB
dumbdbm.pyc	6.83 KB
dumbdbm.pyo	6.83 KB
dummy_thread.py	4.31 KB
dummy_thread.pyc	5.46 KB
dummy_thread.pyo	5.46 KB
dummy_threading.py	2.74 KB
dummy_threading.pyc	1.27 KB
dummy_threading.pyo	1.27 KB
email	-
encodings	-
ensurepip	-
filecmp.py	9.36 KB
filecmp.pyc	9.65 KB
filecmp.pyo	9.65 KB
fileinput.py	13.42 KB
fileinput.pyc	14.54 KB
fileinput.pyo	14.54 KB
fnmatch.py	3.24 KB
fnmatch.pyc	3.61 KB
fnmatch.pyo	3.61 KB
formatter.py	14.56 KB
formatter.pyc	19.71 KB
formatter.pyo	19.71 KB
fpformat.py	4.62 KB
fpformat.pyc	4.69 KB
fpformat.pyo	4.69 KB
fractions.py	21.87 KB
fractions.pyc	19.74 KB
fractions.pyo	19.74 KB
ftplib.py	37.3 KB
ftplib.pyc	34.82 KB
ftplib.pyo	34.82 KB
functools.py	4.69 KB
functools.pyc	6.85 KB
functools.pyo	6.85 KB
genericpath.py	3.13 KB
genericpath.pyc	3.57 KB
genericpath.pyo	3.57 KB
getopt.py	7.15 KB
getopt.pyc	6.63 KB
getopt.pyo	6.58 KB
getpass.py	5.43 KB
getpass.pyc	4.72 KB
getpass.pyo	4.72 KB
gettext.py	22.13 KB
gettext.pyc	18.17 KB
gettext.pyo	18.17 KB
glob.py	3.04 KB
glob.pyc	2.98 KB
glob.pyo	2.98 KB
gzip.py	18.58 KB
gzip.pyc	15.26 KB
gzip.pyo	15.26 KB
hashlib.py	7.66 KB
hashlib.pyc	6.86 KB
hashlib.pyo	6.86 KB
heapq.py	17.87 KB
heapq.pyc	14.45 KB
heapq.pyo	14.45 KB
hmac.py	4.48 KB
hmac.pyc	4.56 KB
hmac.pyo	4.56 KB
hotshot	-
htmlentitydefs.py	17.63 KB
htmlentitydefs.pyc	6.23 KB
htmlentitydefs.pyo	6.23 KB
htmllib.py	12.57 KB
htmllib.pyc	20.99 KB
htmllib.pyo	20.99 KB
httplib.py	51.07 KB
httplib.pyc	37.88 KB
httplib.pyo	37.7 KB
idlelib	-
ihooks.py	18.54 KB
ihooks.pyc	21.75 KB
ihooks.pyo	21.75 KB
imaplib.py	47.23 KB
imaplib.pyc	45.19 KB
imaplib.pyo	42.49 KB
imghdr.py	3.46 KB
imghdr.pyc	4.93 KB
imghdr.pyo	4.93 KB
importlib	-
imputil.py	25.16 KB
imputil.pyc	15.74 KB
imputil.pyo	15.57 KB
inspect.py	42 KB
inspect.pyc	40.16 KB
inspect.pyo	40.16 KB
io.py	3.24 KB
io.pyc	3.57 KB
io.pyo	3.57 KB
json	-
keyword.py	1.96 KB
keyword.pyc	2.08 KB
keyword.pyo	2.08 KB
lib-dynload	-
lib2to3	-
linecache.py	3.93 KB
linecache.pyc	3.27 KB
linecache.pyo	3.27 KB
locale.py	100.42 KB
locale.pyc	55.69 KB
locale.pyo	55.69 KB
logging	-
macpath.py	6.14 KB
macpath.pyc	7.74 KB
macpath.pyo	7.74 KB
macurl2path.py	2.67 KB
macurl2path.pyc	2.24 KB
macurl2path.pyo	2.24 KB
mailbox.py	79.34 KB
mailbox.pyc	77.7 KB
mailbox.pyo	77.65 KB
mailcap.py	7.25 KB
mailcap.pyc	7.08 KB
mailcap.pyo	7.08 KB
markupbase.py	14.3 KB
markupbase.pyc	9.27 KB
markupbase.pyo	9.07 KB
md5.py	358 B
md5.pyc	391 B
md5.pyo	391 B
mhlib.py	32.65 KB
mhlib.pyc	33.98 KB
mhlib.pyo	33.98 KB
mimetools.py	7 KB
mimetools.pyc	8.26 KB
mimetools.pyo	8.26 KB
mimetypes.py	20.54 KB
mimetypes.pyc	18.3 KB
mimetypes.pyo	18.3 KB
mimify.py	14.68 KB
mimify.pyc	11.91 KB
mimify.pyo	11.91 KB
modulefinder.py	23.89 KB
modulefinder.pyc	19.12 KB
modulefinder.pyo	19.04 KB
multifile.py	4.71 KB
multifile.pyc	5.48 KB
multifile.pyo	5.44 KB
multiprocessing	-
mutex.py	1.83 KB
mutex.pyc	2.55 KB
mutex.pyo	2.55 KB
netrc.py	5.75 KB
netrc.pyc	4.72 KB
netrc.pyo	4.72 KB
new.py	610 B
new.pyc	875 B
new.pyo	875 B
nntplib.py	20.97 KB
nntplib.pyc	21.11 KB
nntplib.pyo	21.11 KB
ntpath.py	18.97 KB
ntpath.pyc	13.1 KB
ntpath.pyo	13.1 KB
nturl2path.py	2.36 KB
nturl2path.pyc	1.81 KB
nturl2path.pyo	1.81 KB
numbers.py	10.08 KB
numbers.pyc	14.47 KB
numbers.pyo	14.47 KB
opcode.py	5.35 KB
opcode.pyc	6.06 KB
opcode.pyo	6.06 KB
optparse.py	59.77 KB
optparse.pyc	54.41 KB
optparse.pyo	54.33 KB
os.py	25.3 KB
os.pyc	25.76 KB
os.pyo	25.76 KB
os2emxpath.py	4.53 KB
os2emxpath.pyc	4.53 KB
os2emxpath.pyo	4.53 KB
pdb.doc	7.73 KB
pdb.py	45.03 KB
pdb.pyc	44.09 KB
pdb.pyo	44.09 KB
pickle.py	44.42 KB
pickle.pyc	38.98 KB
pickle.pyo	38.79 KB
pickletools.py	72.78 KB
pickletools.pyc	56.1 KB
pickletools.pyo	55.26 KB
pipes.py	9.36 KB
pipes.pyc	9.29 KB
pipes.pyo	9.29 KB
pkgutil.py	19.77 KB
pkgutil.pyc	18.93 KB
pkgutil.pyo	18.93 KB
plat-linux2	-
platform.py	51.56 KB
platform.pyc	37.7 KB
platform.pyo	37.7 KB
plistlib.py	14.83 KB
plistlib.pyc	19.54 KB
plistlib.pyo	19.46 KB
popen2.py	8.22 KB
popen2.pyc	9.02 KB
popen2.pyo	8.98 KB
poplib.py	12.52 KB
poplib.pyc	13.45 KB
poplib.pyo	13.45 KB
posixfile.py	7.82 KB
posixfile.pyc	7.63 KB
posixfile.pyo	7.63 KB
posixpath.py	13.96 KB
posixpath.pyc	11.49 KB
posixpath.pyo	11.49 KB
pprint.py	11.5 KB
pprint.pyc	10.2 KB
pprint.pyo	10.02 KB
profile.py	22.26 KB
profile.pyc	16.57 KB
profile.pyo	16.32 KB
pstats.py	26.09 KB
pstats.pyc	25.19 KB
pstats.pyo	25.19 KB
pty.py	4.94 KB
pty.pyc	4.98 KB
pty.pyo	4.98 KB
py_compile.py	5.8 KB
py_compile.pyc	6.37 KB
py_compile.pyo	6.37 KB
pyclbr.py	13.07 KB
pyclbr.pyc	9.59 KB
pyclbr.pyo	9.59 KB
pydoc.py	93.43 KB
pydoc.pyc	92.69 KB
pydoc.pyo	92.63 KB
pydoc_data	-
quopri.py	6.81 KB
quopri.pyc	6.56 KB
quopri.pyo	6.56 KB
random.py	31.7 KB
random.pyc	25.65 KB
random.pyo	25.65 KB
re.py	13.11 KB
re.pyc	13.37 KB
re.pyo	13.37 KB
repr.py	4.2 KB
repr.pyc	5.47 KB
repr.pyo	5.47 KB
rexec.py	19.68 KB
rexec.pyc	24 KB
rexec.pyo	24 KB
rfc822.py	32.76 KB
rfc822.pyc	31.83 KB
rfc822.pyo	31.83 KB
rlcompleter.py	5.85 KB
rlcompleter.pyc	6.04 KB
rlcompleter.pyo	6.04 KB
robotparser.py	7.51 KB
robotparser.pyc	8.12 KB
robotparser.pyo	8.12 KB
runpy.py	10.82 KB
runpy.pyc	8.85 KB
runpy.pyo	8.85 KB
sched.py	4.97 KB
sched.pyc	4.99 KB
sched.pyo	4.99 KB
sets.py	18.6 KB
sets.pyc	17.21 KB
sets.pyo	17.21 KB
sgmllib.py	17.46 KB
sgmllib.pyc	15.67 KB
sgmllib.pyo	15.67 KB
sha.py	393 B
sha.pyc	434 B
sha.pyo	434 B
shelve.py	7.99 KB
shelve.pyc	10.36 KB
shelve.pyo	10.36 KB
shlex.py	10.9 KB
shlex.pyc	7.55 KB
shlex.pyo	7.55 KB
shutil.py	19.41 KB
shutil.pyc	19.19 KB
shutil.pyo	19.19 KB
site-packages	-
site.py	19.18 KB
site.pyc	19.35 KB
site.pyo	19.35 KB
smtpd.py	18.12 KB
smtpd.pyc	15.9 KB
smtpd.pyo	15.9 KB
smtplib.py	31.39 KB
smtplib.pyc	30.29 KB
smtplib.pyo	30.29 KB
sndhdr.py	5.83 KB
sndhdr.pyc	7.4 KB
sndhdr.pyo	7.4 KB
socket.py	20.13 KB
socket.pyc	16.15 KB
socket.pyo	16.07 KB
sqlite3	-
sre.py	384 B
sre.pyc	532 B
sre.pyo	532 B
sre_compile.py	19.36 KB
sre_compile.pyc	12.46 KB
sre_compile.pyo	12.3 KB
sre_constants.py	7.03 KB
sre_constants.pyc	6.11 KB
sre_constants.pyo	6.11 KB
sre_parse.py	29.98 KB
sre_parse.pyc	21.12 KB
sre_parse.pyo	21.12 KB
ssl.py	36.58 KB
ssl.pyc	32.24 KB
ssl.pyo	32.24 KB
stat.py	1.8 KB
stat.pyc	2.81 KB
stat.pyo	2.81 KB
statvfs.py	898 B
statvfs.pyc	633 B
statvfs.pyo	633 B
string.py	21.04 KB
string.pyc	20.63 KB
string.pyo	20.63 KB
stringold.py	12.16 KB
stringold.pyc	12.6 KB
stringold.pyo	12.6 KB
stringprep.py	13.21 KB
stringprep.pyc	14.4 KB
stringprep.pyo	14.33 KB
struct.py	82 B
struct.pyc	252 B
struct.pyo	252 B
subprocess.py	49.34 KB
subprocess.pyc	32.32 KB
subprocess.pyo	32.32 KB
sunau.py	16.82 KB
sunau.pyc	18.57 KB
sunau.pyo	18.57 KB
sunaudio.py	1.37 KB
sunaudio.pyc	2 KB
sunaudio.pyo	2 KB
symbol.py	2.02 KB
symbol.pyc	2.98 KB
symbol.pyo	2.98 KB
symtable.py	7.26 KB
symtable.pyc	12.14 KB
symtable.pyo	12.02 KB
sysconfig.py	22.32 KB
sysconfig.pyc	17.73 KB
sysconfig.pyo	17.73 KB
tabnanny.py	11.08 KB
tabnanny.pyc	8.31 KB
tabnanny.pyo	8.31 KB
tarfile.py	88.45 KB
tarfile.pyc	76.54 KB
tarfile.pyo	76.54 KB
telnetlib.py	26.4 KB
telnetlib.pyc	23.03 KB
telnetlib.pyo	23.03 KB
tempfile.py	19.09 KB
tempfile.pyc	20.55 KB
tempfile.pyo	20.55 KB
test	-
textwrap.py	16.88 KB
textwrap.pyc	11.99 KB
textwrap.pyo	11.9 KB
this.py	1002 B
this.pyc	1.2 KB
this.pyo	1.2 KB
threading.py	46.17 KB
threading.pyc	42.97 KB
threading.pyo	40.84 KB
timeit.py	12.5 KB
timeit.pyc	12.06 KB
timeit.pyo	12.06 KB
toaiff.py	3.07 KB
toaiff.pyc	3.08 KB
toaiff.pyo	3.08 KB
token.py	2.85 KB
token.pyc	3.79 KB
token.pyo	3.79 KB
tokenize.py	17.07 KB
tokenize.pyc	14.37 KB
tokenize.pyo	14.31 KB
trace.py	29.2 KB
trace.pyc	22.69 KB
trace.pyo	22.63 KB
traceback.py	11.02 KB
traceback.pyc	11.66 KB
traceback.pyo	11.66 KB
tty.py	879 B
tty.pyc	1.32 KB
tty.pyo	1.32 KB
types.py	2.04 KB
types.pyc	2.75 KB
types.pyo	2.75 KB
unittest	-
urllib.py	58.82 KB
urllib.pyc	51.35 KB
urllib.pyo	51.25 KB
urllib2.py	51.31 KB
urllib2.pyc	47.8 KB
urllib2.pyo	47.71 KB
urlparse.py	16.29 KB
urlparse.pyc	15.51 KB
urlparse.pyo	15.51 KB
user.py	1.59 KB
user.pyc	1.7 KB
user.pyo	1.7 KB
uu.py	6.55 KB
uu.pyc	4.35 KB
uu.pyo	4.35 KB
uuid.py	22.63 KB
uuid.pyc	23.22 KB
uuid.pyo	23.11 KB
warnings.py	14.48 KB
warnings.pyc	13.49 KB
warnings.pyo	12.71 KB
wave.py	18.15 KB
wave.pyc	20.19 KB
wave.pyo	20.05 KB
weakref.py	14.48 KB
weakref.pyc	16.73 KB
weakref.pyo	16.73 KB
webbrowser.py	22.2 KB
webbrowser.pyc	19.86 KB
webbrowser.pyo	19.81 KB
whichdb.py	3.31 KB
whichdb.pyc	2.21 KB
whichdb.pyo	2.21 KB
wsgiref	-
wsgiref.egg-info	187 B
xdrlib.py	5.93 KB
xdrlib.pyc	10.2 KB
xdrlib.pyo	10.2 KB
xml	-
xmllib.py	34.05 KB
xmllib.pyc	26.9 KB
xmllib.pyo	26.9 KB
xmlrpclib.py	50.91 KB
xmlrpclib.pyc	44.81 KB
xmlrpclib.pyo	44.63 KB
zipfile.py	58.08 KB
zipfile.pyc	41.92 KB
zipfile.pyo	41.92 KB

Edit: base64.py

#! /opt/alt/python27/bin/python

"""RFC 3548: Base16, Base32, Base64 Data Encodings"""

# Modified 04-Oct-1995 by Jack Jansen to use binascii module
# Modified 30-Dec-2003 by Barry Warsaw to add full RFC 3548 support

import re
import struct
import string
import binascii

__all__ = [
    # Legacy interface exports traditional RFC 1521 Base64 encodings
    'encode', 'decode', 'encodestring', 'decodestring',
    # Generalized interface for other encodings
    'b64encode', 'b64decode', 'b32encode', 'b32decode',
    'b16encode', 'b16decode',
    # Standard Base64 encoding
    'standard_b64encode', 'standard_b64decode',
    # Some common Base64 alternatives.  As referenced by RFC 3458, see thread
    # starting at:
    #
    # http://zgp.org/pipermail/p2p-hackers/2001-September/000316.html
    'urlsafe_b64encode', 'urlsafe_b64decode',
    ]

_translation = [chr(_x) for _x in range(256)]
EMPTYSTRING = ''

def _translate(s, altchars):
    translation = _translation[:]
    for k, v in altchars.items():
        translation[ord(k)] = v
    return s.translate(''.join(translation))

# Base64 encoding/decoding uses binascii

def b64encode(s, altchars=None):
    """Encode a string using Base64.

s is the string to encode.  Optional altchars must be a string of at least
    length 2 (additional characters are ignored) which specifies an
    alternative alphabet for the '+' and '/' characters.  This allows an
    application to e.g. generate url or filesystem safe Base64 strings.

The encoded string is returned.
    """
    # Strip off the trailing newline
    encoded = binascii.b2a_base64(s)[:-1]
    if altchars is not None:
        return encoded.translate(string.maketrans(b'+/', altchars[:2]))
    return encoded

def b64decode(s, altchars=None):
    """Decode a Base64 encoded string.

s is the string to decode.  Optional altchars must be a string of at least
    length 2 (additional characters are ignored) which specifies the
    alternative alphabet used instead of the '+' and '/' characters.

The decoded string is returned.  A TypeError is raised if s is
    incorrectly padded.  Characters that are neither in the normal base-64
    alphabet nor the alternative alphabet are discarded prior to the padding
    check.
    """
    if altchars is not None:
        s = s.translate(string.maketrans(altchars[:2], '+/'))
    try:
        return binascii.a2b_base64(s)
    except binascii.Error, msg:
        # Transform this exception for consistency
        raise TypeError(msg)

def standard_b64encode(s):
    """Encode a string using the standard Base64 alphabet.

s is the string to encode.  The encoded string is returned.
    """
    return b64encode(s)

def standard_b64decode(s):
    """Decode a string encoded with the standard Base64 alphabet.

Argument s is the string to decode.  The decoded string is returned.  A
    TypeError is raised if the string is incorrectly padded.  Characters that
    are not in the standard alphabet are discarded prior to the padding
    check.
    """
    return b64decode(s)

_urlsafe_encode_translation = string.maketrans(b'+/', b'-_')
_urlsafe_decode_translation = string.maketrans(b'-_', b'+/')

def urlsafe_b64encode(s):
    """Encode a string using the URL- and filesystem-safe Base64 alphabet.

Argument s is the string to encode.  The encoded string is returned.  The
    alphabet uses '-' instead of '+' and '_' instead of '/'.
    """
    return b64encode(s).translate(_urlsafe_encode_translation)

def urlsafe_b64decode(s):
    """Decode a string using the URL- and filesystem-safe Base64 alphabet.

Argument s is the string to decode.  The decoded string is returned.  A
    TypeError is raised if the string is incorrectly padded.  Characters that
    are not in the URL-safe base-64 alphabet, and are not a plus '+' or slash
    '/', are discarded prior to the padding check.

The alphabet uses '-' instead of '+' and '_' instead of '/'.
    """
    return b64decode(s.translate(_urlsafe_decode_translation))

# Base32 encoding/decoding must be done in Python
_b32alphabet = {
    0: 'A',  9: 'J', 18: 'S', 27: '3',
    1: 'B', 10: 'K', 19: 'T', 28: '4',
    2: 'C', 11: 'L', 20: 'U', 29: '5',
    3: 'D', 12: 'M', 21: 'V', 30: '6',
    4: 'E', 13: 'N', 22: 'W', 31: '7',
    5: 'F', 14: 'O', 23: 'X',
    6: 'G', 15: 'P', 24: 'Y',
    7: 'H', 16: 'Q', 25: 'Z',
    8: 'I', 17: 'R', 26: '2',
    }

_b32tab = _b32alphabet.items()
_b32tab.sort()
_b32tab = [v for k, v in _b32tab]
_b32rev = dict([(v, long(k)) for k, v in _b32alphabet.items()])

def b32encode(s):
    """Encode a string using Base32.

s is the string to encode.  The encoded string is returned.
    """
    parts = []
    quanta, leftover = divmod(len(s), 5)
    # Pad the last quantum with zero bits if necessary
    if leftover:
        s += ('\0' * (5 - leftover))
        quanta += 1
    for i in range(quanta):
        # c1 and c2 are 16 bits wide, c3 is 8 bits wide.  The intent of this
        # code is to process the 40 bits in units of 5 bits.  So we take the 1
        # leftover bit of c1 and tack it onto c2.  Then we take the 2 leftover
        # bits of c2 and tack them onto c3.  The shifts and masks are intended
        # to give us values of exactly 5 bits in width.
        c1, c2, c3 = struct.unpack('!HHB', s[i*5:(i+1)*5])
        c2 += (c1 & 1) << 16 # 17 bits wide
        c3 += (c2 & 3) << 8  # 10 bits wide
        parts.extend([_b32tab[c1 >> 11],         # bits 1 - 5
                      _b32tab[(c1 >> 6) & 0x1f], # bits 6 - 10
                      _b32tab[(c1 >> 1) & 0x1f], # bits 11 - 15
                      _b32tab[c2 >> 12],         # bits 16 - 20 (1 - 5)
                      _b32tab[(c2 >> 7) & 0x1f], # bits 21 - 25 (6 - 10)
                      _b32tab[(c2 >> 2) & 0x1f], # bits 26 - 30 (11 - 15)
                      _b32tab[c3 >> 5],          # bits 31 - 35 (1 - 5)
                      _b32tab[c3 & 0x1f],        # bits 36 - 40 (1 - 5)
                      ])
    encoded = EMPTYSTRING.join(parts)
    # Adjust for any leftover partial quanta
    if leftover == 1:
        return encoded[:-6] + '======'
    elif leftover == 2:
        return encoded[:-4] + '===='
    elif leftover == 3:
        return encoded[:-3] + '==='
    elif leftover == 4:
        return encoded[:-1] + '='
    return encoded

def b32decode(s, casefold=False, map01=None):
    """Decode a Base32 encoded string.

s is the string to decode.  Optional casefold is a flag specifying whether
    a lowercase alphabet is acceptable as input.  For security purposes, the
    default is False.

RFC 3548 allows for optional mapping of the digit 0 (zero) to the letter O
    (oh), and for optional mapping of the digit 1 (one) to either the letter I
    (eye) or letter L (el).  The optional argument map01 when not None,
    specifies which letter the digit 1 should be mapped to (when map01 is not
    None, the digit 0 is always mapped to the letter O).  For security
    purposes the default is None, so that 0 and 1 are not allowed in the
    input.

The decoded string is returned.  A TypeError is raised if s were
    incorrectly padded or if there are non-alphabet characters present in the
    string.
    """
    quanta, leftover = divmod(len(s), 8)
    if leftover:
        raise TypeError('Incorrect padding')
    # Handle section 2.4 zero and one mapping.  The flag map01 will be either
    # False, or the character to map the digit 1 (one) to.  It should be
    # either L (el) or I (eye).
    if map01:
        s = s.translate(string.maketrans(b'01', b'O' + map01))
    if casefold:
        s = s.upper()
    # Strip off pad characters from the right.  We need to count the pad
    # characters because this will tell us how many null bytes to remove from
    # the end of the decoded string.
    padchars = 0
    mo = re.search('(?P<pad>[=]*)$', s)
    if mo:
        padchars = len(mo.group('pad'))
        if padchars > 0:
            s = s[:-padchars]
    # Now decode the full quanta
    parts = []
    acc = 0
    shift = 35
    for c in s:
        val = _b32rev.get(c)
        if val is None:
            raise TypeError('Non-base32 digit found')
        acc += _b32rev[c] << shift
        shift -= 5
        if shift < 0:
            parts.append(binascii.unhexlify('%010x' % acc))
            acc = 0
            shift = 35
    # Process the last, partial quanta
    last = binascii.unhexlify('%010x' % acc)
    if padchars == 0:
        last = ''                       # No characters
    elif padchars == 1:
        last = last[:-1]
    elif padchars == 3:
        last = last[:-2]
    elif padchars == 4:
        last = last[:-3]
    elif padchars == 6:
        last = last[:-4]
    else:
        raise TypeError('Incorrect padding')
    parts.append(last)
    return EMPTYSTRING.join(parts)

# RFC 3548, Base 16 Alphabet specifies uppercase, but hexlify() returns
# lowercase.  The RFC also recommends against accepting input case
# insensitively.
def b16encode(s):
    """Encode a string using Base16.

s is the string to encode.  The encoded string is returned.
    """
    return binascii.hexlify(s).upper()

def b16decode(s, casefold=False):
    """Decode a Base16 encoded string.

s is the string to decode.  Optional casefold is a flag specifying whether
    a lowercase alphabet is acceptable as input.  For security purposes, the
    default is False.

The decoded string is returned.  A TypeError is raised if s is
    incorrectly padded or if there are non-alphabet characters present in the
    string.
    """
    if casefold:
        s = s.upper()
    if re.search('[^0-9A-F]', s):
        raise TypeError('Non-base16 digit found')
    return binascii.unhexlify(s)

# Legacy interface.  This code could be cleaned up since I don't believe
# binascii has any line length limitations.  It just doesn't seem worth it
# though.

MAXLINESIZE = 76 # Excluding the CRLF
MAXBINSIZE = (MAXLINESIZE//4)*3

def encode(input, output):
    """Encode a file."""
    while True:
        s = input.read(MAXBINSIZE)
        if not s:
            break
        while len(s) < MAXBINSIZE:
            ns = input.read(MAXBINSIZE-len(s))
            if not ns:
                break
            s += ns
        line = binascii.b2a_base64(s)
        output.write(line)

def decode(input, output):
    """Decode a file."""
    while True:
        line = input.readline()
        if not line:
            break
        s = binascii.a2b_base64(line)
        output.write(s)

def encodestring(s):
    """Encode a string into multiple lines of base-64 data."""
    pieces = []
    for i in range(0, len(s), MAXBINSIZE):
        chunk = s[i : i + MAXBINSIZE]
        pieces.append(binascii.b2a_base64(chunk))
    return "".join(pieces)

def decodestring(s):
    """Decode a string."""
    return binascii.a2b_base64(s)

# Useable as a script...
def test():
    """Small test program"""
    import sys, getopt
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'deut')
    except getopt.error, msg:
        sys.stdout = sys.stderr
        print msg
        print """usage: %s [-d|-e|-u|-t] [file|-]
        -d, -u: decode
        -e: encode (default)
        -t: encode and decode string 'Aladdin:open sesame'"""%sys.argv[0]
        sys.exit(2)
    func = encode
    for o, a in opts:
        if o == '-e': func = encode
        if o == '-d': func = decode
        if o == '-u': func = decode
        if o == '-t': test1(); return
    if args and args[0] != '-':
        with open(args[0], 'rb') as f:
            func(f, sys.stdout)
    else:
        func(sys.stdin, sys.stdout)

def test1():
    s0 = "Aladdin:open sesame"
    s1 = encodestring(s0)
    s2 = decodestring(s1)
    print s0, repr(s1), s2

if __name__ == '__main__':
    test()