golden hour

/usr/lib64/python2.7

File/Folder	Size	Actions
BaseHTTPServer.py	21.93 KB
BaseHTTPServer.pyc	21.18 KB
BaseHTTPServer.pyo	21.18 KB
Bastion.py	5.61 KB
Bastion.pyc	6.5 KB
Bastion.pyo	6.5 KB
CGIHTTPServer.py	12.84 KB
CGIHTTPServer.pyc	10.84 KB
CGIHTTPServer.pyo	10.84 KB
ConfigParser.py	27.1 KB
ConfigParser.pyc	24.62 KB
ConfigParser.pyo	24.62 KB
Cookie.py	24.66 KB
Cookie.pyc	21.64 KB
Cookie.pyo	21.64 KB
Demo	-
Doc	-
DocXMLRPCServer.py	10.52 KB
DocXMLRPCServer.pyc	9.96 KB
DocXMLRPCServer.pyo	9.85 KB
HTMLParser.py	16.58 KB
HTMLParser.pyc	13.39 KB
HTMLParser.pyo	13.1 KB
MimeWriter.py	6.33 KB
MimeWriter.pyc	7.19 KB
MimeWriter.pyo	7.19 KB
Queue.py	8.36 KB
Queue.pyc	9.19 KB
Queue.pyo	9.19 KB
SimpleHTTPServer.py	7.25 KB
SimpleHTTPServer.pyc	7.55 KB
SimpleHTTPServer.pyo	7.55 KB
SimpleXMLRPCServer.py	25.17 KB
SimpleXMLRPCServer.pyc	22.31 KB
SimpleXMLRPCServer.pyo	22.31 KB
SocketServer.py	23.29 KB
SocketServer.pyc	23.49 KB
SocketServer.pyo	23.49 KB
StringIO.py	10.41 KB
StringIO.pyc	11.21 KB
StringIO.pyo	11.21 KB
Tools	-
UserDict.py	5.67 KB
UserDict.pyc	8.61 KB
UserDict.pyo	8.61 KB
UserList.py	3.56 KB
UserList.pyc	6.42 KB
UserList.pyo	6.42 KB
UserString.py	9.46 KB
UserString.pyc	14.52 KB
UserString.pyo	14.52 KB
_LWPCookieJar.py	6.4 KB
_LWPCookieJar.pyc	5.4 KB
_LWPCookieJar.pyo	5.4 KB
_MozillaCookieJar.py	5.67 KB
_MozillaCookieJar.pyc	4.37 KB
_MozillaCookieJar.pyo	4.33 KB
__future__.py	4.28 KB
__future__.pyc	4.13 KB
__future__.pyo	4.13 KB
__phello__.foo.py	64 B
__phello__.foo.pyc	125 B
__phello__.foo.pyo	125 B
_abcoll.py	17.45 KB
_abcoll.pyc	24.4 KB
_abcoll.pyo	24.4 KB
_osx_support.py	18.03 KB
_osx_support.pyc	11.28 KB
_osx_support.pyo	11.28 KB
_pyio.py	67.24 KB
_pyio.pyc	62.71 KB
_pyio.pyo	62.71 KB
_strptime.py	19.75 KB
_strptime.pyc	14.53 KB
_strptime.pyo	14.53 KB
_sysconfigdata.py	17.56 KB
_sysconfigdata.pyc	20.72 KB
_sysconfigdata.pyo	20.72 KB
_threading_local.py	7.28 KB
_threading_local.pyc	6.45 KB
_threading_local.pyo	6.45 KB
_weakrefset.py	5.48 KB
_weakrefset.pyc	9.25 KB
_weakrefset.pyo	9.25 KB
abc.py	6.98 KB
abc.pyc	6 KB
abc.pyo	5.94 KB
aifc.py	32.94 KB
aifc.pyc	29.31 KB
aifc.pyo	29.31 KB
antigravity.py	60 B
antigravity.pyc	203 B
antigravity.pyo	203 B
anydbm.py	2.6 KB
anydbm.pyc	2.73 KB
anydbm.pyo	2.73 KB
argparse.py	86.46 KB
argparse.pyc	62.57 KB
argparse.pyo	62.41 KB
ast.py	11.53 KB
ast.pyc	12.65 KB
ast.pyo	12.65 KB
asynchat.py	11.13 KB
asynchat.pyc	8.44 KB
asynchat.pyo	8.44 KB
asyncore.py	20.36 KB
asyncore.pyc	18.4 KB
asyncore.pyo	18.4 KB
atexit.py	1.67 KB
atexit.pyc	2.15 KB
atexit.pyo	2.15 KB
audiodev.py	7.42 KB
audiodev.pyc	8.27 KB
audiodev.pyo	8.27 KB
base64.py	11.09 KB
base64.pyc	10.63 KB
base64.pyo	10.63 KB
bdb.py	21.21 KB
bdb.pyc	18.65 KB
bdb.pyo	18.65 KB
binhex.py	14.14 KB
binhex.pyc	15.04 KB
binhex.pyo	15.04 KB
bisect.py	2.53 KB
bisect.pyc	3 KB
bisect.pyo	3 KB
bsddb	-
cProfile.py	6.43 KB
cProfile.pyc	6.25 KB
cProfile.pyo	6.25 KB
calendar.py	22.76 KB
calendar.pyc	27.13 KB
calendar.pyo	27.13 KB
cgi.py	34.31 KB
cgi.pyc	31.99 KB
cgi.pyo	31.99 KB
cgitb.py	11.89 KB
cgitb.pyc	11.9 KB
cgitb.pyo	11.9 KB
chunk.py	5.25 KB
chunk.pyc	5.46 KB
chunk.pyo	5.46 KB
cmd.py	14.67 KB
cmd.pyc	13.71 KB
cmd.pyo	13.71 KB
code.py	9.95 KB
code.pyc	10.09 KB
code.pyo	10.09 KB
codecs.py	34.44 KB
codecs.pyc	35.74 KB
codecs.pyo	35.74 KB
codeop.py	5.86 KB
codeop.pyc	6.44 KB
codeop.pyo	6.44 KB
collections.py	25.28 KB
collections.pyc	23.99 KB
collections.pyo	23.94 KB
colorsys.py	3.6 KB
colorsys.pyc	3.9 KB
colorsys.pyo	3.9 KB
commands.py	2.49 KB
commands.pyc	2.41 KB
commands.pyo	2.41 KB
compileall.py	7.58 KB
compileall.pyc	6.85 KB
compileall.pyo	6.85 KB
compiler	-
config	-
contextlib.py	4.32 KB
contextlib.pyc	4.35 KB
contextlib.pyo	4.35 KB
cookielib.py	63.21 KB
cookielib.pyc	53.55 KB
cookielib.pyo	53.37 KB
copy.py	11.25 KB
copy.pyc	11.91 KB
copy.pyo	11.82 KB
copy_reg.py	6.64 KB
copy_reg.pyc	4.99 KB
copy_reg.pyo	4.95 KB
crypt.py	2.24 KB
crypt.pyc	2.89 KB
crypt.pyo	2.89 KB
csv.py	15.96 KB
csv.pyc	13.14 KB
csv.pyo	13.14 KB
ctypes	-
curses	-
dbhash.py	498 B
dbhash.pyc	718 B
dbhash.pyo	718 B
decimal.py	215.84 KB
decimal.pyc	167.33 KB
decimal.pyo	167.33 KB
difflib.py	80.42 KB
difflib.pyc	60.5 KB
difflib.pyo	60.45 KB
dircache.py	1.1 KB
dircache.pyc	1.54 KB
dircache.pyo	1.54 KB
dis.py	6.35 KB
dis.pyc	6.08 KB
dis.pyo	6.08 KB
distutils	-
doctest.py	102.01 KB
doctest.pyc	81.45 KB
doctest.pyo	81.17 KB
dumbdbm.py	8.61 KB
dumbdbm.pyc	6.41 KB
dumbdbm.pyo	6.41 KB
dummy_thread.py	4.31 KB
dummy_thread.pyc	5.27 KB
dummy_thread.pyo	5.27 KB
dummy_threading.py	2.74 KB
dummy_threading.pyc	1.25 KB
dummy_threading.pyo	1.25 KB
email	-
encodings	-
filecmp.py	9.36 KB
filecmp.pyc	9.4 KB
filecmp.pyo	9.4 KB
fileinput.py	13.81 KB
fileinput.pyc	14.48 KB
fileinput.pyo	14.48 KB
fnmatch.py	3.16 KB
fnmatch.pyc	3.45 KB
fnmatch.pyo	3.45 KB
formatter.py	14.56 KB
formatter.pyc	18.73 KB
formatter.pyo	18.73 KB
fpformat.py	4.59 KB
fpformat.pyc	4.56 KB
fpformat.pyo	4.56 KB
fractions.py	21.87 KB
fractions.pyc	19.27 KB
fractions.pyo	19.27 KB
ftplib.py	36.1 KB
ftplib.pyc	33.38 KB
ftplib.pyo	33.38 KB
functools.py	4.37 KB
functools.pyc	5.95 KB
functools.pyo	5.95 KB
genericpath.py	2.94 KB
genericpath.pyc	3.19 KB
genericpath.pyo	3.19 KB
getopt.py	7.15 KB
getopt.pyc	6.5 KB
getopt.pyo	6.45 KB
getpass.py	5.43 KB
getpass.pyc	4.63 KB
getpass.pyo	4.63 KB
gettext.py	19.47 KB
gettext.pyc	15.19 KB
gettext.pyo	15.19 KB
glob.py	2.86 KB
glob.pyc	2.83 KB
glob.pyo	2.83 KB
gzip.py	18.26 KB
gzip.pyc	14.72 KB
gzip.pyo	14.72 KB
hashlib.py	7.48 KB
hashlib.pyc	6.74 KB
hashlib.pyo	6.74 KB
heapq.py	17.76 KB
heapq.pyc	14.13 KB
heapq.pyo	14.13 KB
hmac.py	4.48 KB
hmac.pyc	4.44 KB
hmac.pyo	4.44 KB
hotshot	-
htmlentitydefs.py	17.63 KB
htmlentitydefs.pyc	6.22 KB
htmlentitydefs.pyo	6.22 KB
htmllib.py	12.57 KB
htmllib.pyc	19.83 KB
htmllib.pyo	19.83 KB
httplib.py	51.37 KB
httplib.pyc	37.54 KB
httplib.pyo	37.37 KB
idlelib	-
ihooks.py	18.54 KB
ihooks.pyc	20.87 KB
ihooks.pyo	20.87 KB
imaplib.py	47.34 KB
imaplib.pyc	44.45 KB
imaplib.pyo	41.8 KB
imghdr.py	3.46 KB
imghdr.pyc	4.73 KB
imghdr.pyo	4.73 KB
importlib	-
imputil.py	25.16 KB
imputil.pyc	15.26 KB
imputil.pyo	15.08 KB
inspect.py	41.47 KB
inspect.pyc	39.04 KB
inspect.pyo	39.04 KB
io.py	3.12 KB
io.pyc	3.4 KB
io.pyo	3.4 KB
json	-
keyword.py	1.95 KB
keyword.pyc	2.06 KB
keyword.pyo	2.06 KB
lib-dynload	-
lib-tk	-
lib2to3	-
linecache.py	3.87 KB
linecache.pyc	3.14 KB
linecache.pyo	3.14 KB
locale.py	87.33 KB
locale.pyc	48.77 KB
locale.pyo	48.77 KB
logging	-
macpath.py	6.11 KB
macpath.pyc	7.47 KB
macpath.pyo	7.47 KB
macurl2path.py	3.2 KB
macurl2path.pyc	2.71 KB
macurl2path.pyo	2.71 KB
mailbox.py	78.86 KB
mailbox.pyc	74.87 KB
mailbox.pyo	74.82 KB
mailcap.py	8.2 KB
mailcap.pyc	7.77 KB
mailcap.pyo	7.77 KB
markupbase.py	14.3 KB
markupbase.pyc	9.08 KB
markupbase.pyo	8.89 KB
md5.py	358 B
md5.pyc	378 B
md5.pyo	378 B
mhlib.py	32.65 KB
mhlib.pyc	33.01 KB
mhlib.pyo	33.01 KB
mimetools.py	7 KB
mimetools.pyc	8.03 KB
mimetools.pyo	8.03 KB
mimetypes.py	20.22 KB
mimetypes.pyc	17.86 KB
mimetypes.pyo	17.86 KB
mimify.py	14.67 KB
mimify.pyc	11.71 KB
mimify.pyo	11.71 KB
modulefinder.py	23.71 KB
modulefinder.pyc	18.27 KB
modulefinder.pyo	18.19 KB
multifile.py	4.71 KB
multifile.pyc	5.29 KB
multifile.pyo	5.25 KB
multiprocessing	-
mutex.py	1.83 KB
mutex.pyc	2.46 KB
mutex.pyo	2.46 KB
netrc.py	4.47 KB
netrc.pyc	3.83 KB
netrc.pyo	3.83 KB
new.py	610 B
new.pyc	862 B
new.pyo	862 B
nntplib.py	20.97 KB
nntplib.pyc	20.55 KB
nntplib.pyo	20.55 KB
ntpath.py	18.02 KB
ntpath.pyc	11.6 KB
ntpath.pyo	11.56 KB
nturl2path.py	2.32 KB
nturl2path.pyc	1.77 KB
nturl2path.pyo	1.77 KB
numbers.py	10.08 KB
numbers.pyc	13.68 KB
numbers.pyo	13.68 KB
opcode.py	5.35 KB
opcode.pyc	6 KB
opcode.pyo	6 KB
optparse.py	59.69 KB
optparse.pyc	52.78 KB
optparse.pyo	52.7 KB
os.py	25.17 KB
os.pyc	24.96 KB
os.pyo	24.96 KB
os2emxpath.py	4.5 KB
os2emxpath.pyc	4.39 KB
os2emxpath.pyo	4.39 KB
pdb.doc	7.73 KB
pdb.py	44.94 KB
pdb.pyc	42.59 KB
pdb.pyo	42.59 KB
pickle.py	44.09 KB
pickle.pyc	37.56 KB
pickle.pyo	37.37 KB
pickletools.py	72.79 KB
pickletools.pyc	55.77 KB
pickletools.pyo	54.95 KB
pipes.py	9.36 KB
pipes.pyc	9.09 KB
pipes.pyo	9.09 KB
pkgutil.py	19.87 KB
pkgutil.pyc	18.49 KB
pkgutil.pyo	18.49 KB
plat-linux2	-
platform.py	51.98 KB
platform.pyc	36.06 KB
platform.pyo	36.06 KB
plistlib.py	15.44 KB
plistlib.pyc	19.52 KB
plistlib.pyo	19.44 KB
popen2.py	8.22 KB
popen2.pyc	8.81 KB
popen2.pyo	8.77 KB
poplib.py	12.64 KB
poplib.pyc	13.16 KB
poplib.pyo	13.16 KB
posixfile.py	7.82 KB
posixfile.pyc	7.47 KB
posixfile.pyo	7.47 KB
posixpath.py	13.27 KB
posixpath.pyc	11.03 KB
posixpath.pyo	11.03 KB
pprint.py	11.73 KB
pprint.pyc	10.06 KB
pprint.pyo	9.89 KB
profile.py	22.25 KB
profile.pyc	16.07 KB
profile.pyo	15.83 KB
pstats.py	26.08 KB
pstats.pyc	24.43 KB
pstats.pyo	24.43 KB
pty.py	4.94 KB
pty.pyc	4.85 KB
pty.pyo	4.85 KB
py_compile.py	5.79 KB
py_compile.pyc	6.27 KB
py_compile.pyo	6.27 KB
pyclbr.py	13.07 KB
pyclbr.pyc	9.42 KB
pyclbr.pyo	9.42 KB
pydoc.py	91.12 KB
pydoc.pyc	88.35 KB
pydoc.pyo	88.29 KB
pydoc_data	-
quopri.py	6.81 KB
quopri.pyc	6.42 KB
quopri.pyo	6.42 KB
random.py	31.45 KB
random.pyc	24.99 KB
random.pyo	24.99 KB
re.py	12.66 KB
re.pyc	12.79 KB
re.pyo	12.79 KB
repr.py	4.2 KB
repr.pyc	5.26 KB
repr.pyo	5.26 KB
rexec.py	19.68 KB
rexec.pyc	23.58 KB
rexec.pyo	23.58 KB
rfc822.py	32.51 KB
rfc822.pyc	31.05 KB
rfc822.pyo	31.05 KB
rlcompleter.py	5.68 KB
rlcompleter.pyc	5.84 KB
rlcompleter.pyo	5.84 KB
robotparser.py	7.03 KB
robotparser.pyc	7.7 KB
robotparser.pyo	7.7 KB
runpy.py	10.45 KB
runpy.pyc	8.21 KB
runpy.pyo	8.21 KB
sched.py	4.97 KB
sched.pyc	4.88 KB
sched.pyo	4.88 KB
sets.py	18.6 KB
sets.pyc	16.5 KB
sets.pyo	16.5 KB
sgmllib.py	17.46 KB
sgmllib.pyc	15.07 KB
sgmllib.pyo	15.07 KB
sha.py	393 B
sha.pyc	421 B
sha.pyo	421 B
shelve.py	7.89 KB
shelve.pyc	10.03 KB
shelve.pyo	10.03 KB
shlex.py	10.88 KB
shlex.pyc	7.37 KB
shlex.pyo	7.37 KB
shutil.py	18.46 KB
shutil.pyc	18.1 KB
shutil.pyo	18.1 KB
site-packages	-
site.py	19.61 KB
site.pyc	19.11 KB
site.pyo	19.11 KB
smtpd.py	18.11 KB
smtpd.pyc	15.52 KB
smtpd.pyo	15.52 KB
smtplib.py	30.9 KB
smtplib.pyc	29.29 KB
smtplib.pyo	29.29 KB
sndhdr.py	5.83 KB
sndhdr.pyc	7.18 KB
sndhdr.pyo	7.18 KB
socket.py	20.03 KB
socket.pyc	15.73 KB
socket.pyo	15.64 KB
sqlite3	-
sre.py	384 B
sre.pyc	519 B
sre.pyo	519 B
sre_compile.py	15.99 KB
sre_compile.pyc	10.76 KB
sre_compile.pyo	10.65 KB
sre_constants.py	6.95 KB
sre_constants.pyc	5.97 KB
sre_constants.pyo	5.97 KB
sre_parse.py	26.84 KB
sre_parse.pyc	18.98 KB
sre_parse.pyo	18.98 KB
ssl.py	38.7 KB
ssl.pyc	32.05 KB
ssl.pyo	32.05 KB
stat.py	1.8 KB
stat.pyc	2.69 KB
stat.pyo	2.69 KB
statvfs.py	898 B
statvfs.pyc	620 B
statvfs.pyo	620 B
string.py	20.27 KB
string.pyc	19.54 KB
string.pyo	19.54 KB
stringold.py	12.16 KB
stringold.pyc	12.25 KB
stringold.pyo	12.25 KB
stringprep.py	13.21 KB
stringprep.pyc	14.15 KB
stringprep.pyo	14.08 KB
struct.py	82 B
struct.pyc	239 B
struct.pyo	239 B
subprocess.py	57.68 KB
subprocess.pyc	40.93 KB
subprocess.pyo	40.93 KB
sunau.py	16.15 KB
sunau.pyc	17.53 KB
sunau.pyo	17.53 KB
sunaudio.py	1.37 KB
sunaudio.pyc	1.94 KB
sunaudio.pyo	1.94 KB
symbol.py	2.01 KB
symbol.pyc	2.96 KB
symbol.pyo	2.96 KB
symtable.py	7.34 KB
symtable.pyc	11.59 KB
symtable.pyo	11.46 KB
sysconfig.py	21.88 KB
sysconfig.pyc	17.23 KB
sysconfig.pyo	17.23 KB
tabnanny.py	11.07 KB
tabnanny.pyc	8.05 KB
tabnanny.pyo	8.05 KB
tarfile.py	88.12 KB
tarfile.pyc	73.84 KB
tarfile.pyo	73.84 KB
telnetlib.py	26.18 KB
telnetlib.pyc	22.53 KB
telnetlib.pyo	22.53 KB
tempfile.py	17.91 KB
tempfile.pyc	19.35 KB
tempfile.pyo	19.35 KB
test	-
textwrap.py	16.64 KB
textwrap.pyc	11.62 KB
textwrap.pyo	11.53 KB
this.py	1002 B
this.pyc	1.19 KB
this.pyo	1.19 KB
threading.py	46.28 KB
threading.pyc	41.7 KB
threading.pyo	39.58 KB
timeit.py	11.82 KB
timeit.pyc	11.5 KB
timeit.pyo	11.5 KB
toaiff.py	3.07 KB
toaiff.pyc	3.03 KB
toaiff.pyo	3.03 KB
token.py	2.88 KB
token.pyc	3.73 KB
token.pyo	3.73 KB
tokenize.py	16.15 KB
tokenize.pyc	13.61 KB
tokenize.pyo	13.52 KB
trace.py	29.19 KB
trace.pyc	22.26 KB
trace.pyo	22.2 KB
traceback.py	10.99 KB
traceback.pyc	11.35 KB
traceback.pyo	11.35 KB
tty.py	879 B
tty.pyc	1.29 KB
tty.pyo	1.29 KB
types.py	1.99 KB
types.pyc	2.45 KB
types.pyo	2.45 KB
unittest	-
urllib.py	57.14 KB
urllib.pyc	49.1 KB
urllib.pyo	49 KB
urllib2.py	52.13 KB
urllib2.pyc	46.61 KB
urllib2.pyo	46.52 KB
urlparse.py	16.82 KB
urlparse.pyc	15.67 KB
urlparse.pyo	15.67 KB
user.py	1.59 KB
user.pyc	1.68 KB
user.pyo	1.68 KB
uu.py	6.4 KB
uu.pyc	4.21 KB
uu.pyo	4.21 KB
uuid.py	20.6 KB
uuid.pyc	20.68 KB
uuid.pyo	20.68 KB
warnings.py	13.71 KB
warnings.pyc	12.84 KB
warnings.pyo	12.02 KB
wave.py	17.67 KB
wave.pyc	19 KB
wave.pyo	18.94 KB
weakref.py	10.44 KB
weakref.pyc	13.72 KB
weakref.pyo	13.72 KB
webbrowser.py	22.68 KB
webbrowser.pyc	19.83 KB
webbrowser.pyo	19.78 KB
whichdb.py	3.3 KB
whichdb.pyc	2.19 KB
whichdb.pyo	2.19 KB
wsgiref	-
wsgiref.egg-info	187 B
xdrlib.py	5.43 KB
xdrlib.pyc	9.07 KB
xdrlib.pyo	9.07 KB
xml	-
xmllib.py	34.05 KB
xmllib.pyc	26.22 KB
xmllib.pyo	26.22 KB
xmlrpclib.py	50.78 KB
xmlrpclib.pyc	42.89 KB
xmlrpclib.pyo	42.71 KB
zipfile.py	56.45 KB
zipfile.pyc	40.33 KB
zipfile.pyo	40.33 KB

Edit: posixpath.py

"""Common operations on Posix pathnames.

Instead of importing this module directly, import os and refer to
this module as os.path.  The "os.path" name is an alias for this
module on Posix systems; on other systems (e.g. Mac, Windows),
os.path provides the same operations in a manner specific to that
platform, and is an alias to another module (e.g. macpath, ntpath).

Some of this can actually be useful on non-Posix systems too, e.g.
for manipulation of the pathname component of URLs.
"""

import os
import sys
import stat
import genericpath
import warnings
from genericpath import *

try:
    _unicode = unicode
except NameError:
    # If Python is built without Unicode support, the unicode type
    # will not exist. Fake one.
    class _unicode(object):
        pass

__all__ = ["normcase","isabs","join","splitdrive","split","splitext",
           "basename","dirname","commonprefix","getsize","getmtime",
           "getatime","getctime","islink","exists","lexists","isdir","isfile",
           "ismount","walk","expanduser","expandvars","normpath","abspath",
           "samefile","sameopenfile","samestat",
           "curdir","pardir","sep","pathsep","defpath","altsep","extsep",
           "devnull","realpath","supports_unicode_filenames","relpath"]

# strings representing various path-related bits and pieces
curdir = '.'
pardir = '..'
extsep = '.'
sep = '/'
pathsep = ':'
defpath = ':/bin:/usr/bin'
altsep = None
devnull = '/dev/null'

# Normalize the case of a pathname.  Trivial in Posix, string.lower on Mac.
# On MS-DOS this may also turn slashes into backslashes; however, other
# normalizations (such as optimizing '../' away) are not allowed
# (another function should be defined to do that).

def normcase(s):
    """Normalize case of pathname.  Has no effect under Posix"""
    return s

# Return whether a path is absolute.
# Trivial in Posix, harder on the Mac or MS-DOS.

def isabs(s):
    """Test whether a path is absolute"""
    return s.startswith('/')

# Join pathnames.
# Ignore the previous parts if a part is absolute.
# Insert a '/' unless the first part is empty or already ends in '/'.

def join(a, *p):
    """Join two or more pathname components, inserting '/' as needed.
    If any component is an absolute path, all previous path components
    will be discarded.  An empty last part will result in a path that
    ends with a separator."""
    path = a
    for b in p:
        if b.startswith('/'):
            path = b
        elif path == '' or path.endswith('/'):
            path +=  b
        else:
            path += '/' + b
    return path

# Split a path in head (everything up to the last '/') and tail (the
# rest).  If the path ends in '/', tail will be empty.  If there is no
# '/' in the path, head  will be empty.
# Trailing '/'es are stripped from head unless it is the root.

def split(p):
    """Split a pathname.  Returns tuple "(head, tail)" where "tail" is
    everything after the final slash.  Either part may be empty."""
    i = p.rfind('/') + 1
    head, tail = p[:i], p[i:]
    if head and head != '/'*len(head):
        head = head.rstrip('/')
    return head, tail

# Split a path in root and extension.
# The extension is everything starting at the last dot in the last
# pathname component; the root is everything before that.
# It is always true that root + ext == p.

def splitext(p):
    return genericpath._splitext(p, sep, altsep, extsep)
splitext.__doc__ = genericpath._splitext.__doc__

# Split a pathname into a drive specification and the rest of the
# path.  Useful on DOS/Windows/NT; on Unix, the drive is always empty.

def splitdrive(p):
    """Split a pathname into drive and path. On Posix, drive is always
    empty."""
    return '', p

# Return the tail (basename) part of a path, same as split(path)[1].

def basename(p):
    """Returns the final component of a pathname"""
    i = p.rfind('/') + 1
    return p[i:]

# Return the head (dirname) part of a path, same as split(path)[0].

def dirname(p):
    """Returns the directory component of a pathname"""
    i = p.rfind('/') + 1
    head = p[:i]
    if head and head != '/'*len(head):
        head = head.rstrip('/')
    return head

# Is a path a symbolic link?
# This will always return false on systems where os.lstat doesn't exist.

def islink(path):
    """Test whether a path is a symbolic link"""
    try:
        st = os.lstat(path)
    except (os.error, AttributeError):
        return False
    return stat.S_ISLNK(st.st_mode)

# Being true for dangling symbolic links is also useful.

def lexists(path):
    """Test whether a path exists.  Returns True for broken symbolic links"""
    try:
        os.lstat(path)
    except os.error:
        return False
    return True

# Are two filenames really pointing to the same file?

def samefile(f1, f2):
    """Test whether two pathnames reference the same actual file"""
    s1 = os.stat(f1)
    s2 = os.stat(f2)
    return samestat(s1, s2)

# Are two open files really referencing the same file?
# (Not necessarily the same file descriptor!)

def sameopenfile(fp1, fp2):
    """Test whether two open file objects reference the same file"""
    s1 = os.fstat(fp1)
    s2 = os.fstat(fp2)
    return samestat(s1, s2)

# Are two stat buffers (obtained from stat, fstat or lstat)
# describing the same file?

def samestat(s1, s2):
    """Test whether two stat buffers reference the same file"""
    return s1.st_ino == s2.st_ino and \
           s1.st_dev == s2.st_dev

# Is a path a mount point?
# (Does this work for all UNIXes?  Is it even guaranteed to work by Posix?)

def ismount(path):
    """Test whether a path is a mount point"""
    if islink(path):
        # A symlink can never be a mount point
        return False
    try:
        s1 = os.lstat(path)
        s2 = os.lstat(join(path, '..'))
    except os.error:
        return False # It doesn't exist -- so not a mount point :-)
    dev1 = s1.st_dev
    dev2 = s2.st_dev
    if dev1 != dev2:
        return True     # path/.. on a different device as path
    ino1 = s1.st_ino
    ino2 = s2.st_ino
    if ino1 == ino2:
        return True     # path/.. is the same i-node as path
    return False

# Directory tree walk.
# For each directory under top (including top itself, but excluding
# '.' and '..'), func(arg, dirname, filenames) is called, where
# dirname is the name of the directory and filenames is the list
# of files (and subdirectories etc.) in the directory.
# The func may modify the filenames list, to implement a filter,
# or to impose a different order of visiting.

def walk(top, func, arg):
    """Directory tree walk with callback function.

For each directory in the directory tree rooted at top (including top
    itself, but excluding '.' and '..'), call func(arg, dirname, fnames).
    dirname is the name of the directory, and fnames a list of the names of
    the files and subdirectories in dirname (excluding '.' and '..').  func
    may modify the fnames list in-place (e.g. via del or slice assignment),
    and walk will only recurse into the subdirectories whose names remain in
    fnames; this can be used to implement a filter, or to impose a specific
    order of visiting.  No semantics are defined for, or required of, arg,
    beyond that arg is always passed to func.  It can be used, e.g., to pass
    a filename pattern, or a mutable object designed to accumulate
    statistics.  Passing None for arg is common."""
    warnings.warnpy3k("In 3.x, os.path.walk is removed in favor of os.walk.",
                      stacklevel=2)
    try:
        names = os.listdir(top)
    except os.error:
        return
    func(arg, top, names)
    for name in names:
        name = join(top, name)
        try:
            st = os.lstat(name)
        except os.error:
            continue
        if stat.S_ISDIR(st.st_mode):
            walk(name, func, arg)

# Expand paths beginning with '~' or '~user'.
# '~' means $HOME; '~user' means that user's home directory.
# If the path doesn't begin with '~', or if the user or $HOME is unknown,
# the path is returned unchanged (leaving error reporting to whatever
# function is called with the expanded path as argument).
# See also module 'glob' for expansion of *, ? and [...] in pathnames.
# (A function should also be defined to do full *sh-style environment
# variable expansion.)

def expanduser(path):
    """Expand ~ and ~user constructions.  If user or $HOME is unknown,
    do nothing."""
    if not path.startswith('~'):
        return path
    i = path.find('/', 1)
    if i < 0:
        i = len(path)
    if i == 1:
        if 'HOME' not in os.environ:
            import pwd
            userhome = pwd.getpwuid(os.getuid()).pw_dir
        else:
            userhome = os.environ['HOME']
    else:
        import pwd
        try:
            pwent = pwd.getpwnam(path[1:i])
        except KeyError:
            return path
        userhome = pwent.pw_dir
    userhome = userhome.rstrip('/')
    return (userhome + path[i:]) or '/'

# Expand paths containing shell variable substitutions.
# This expands the forms $variable and ${variable} only.
# Non-existent variables are left unchanged.

_varprog = None

def expandvars(path):
    """Expand shell variables of form $var and ${var}.  Unknown variables
    are left unchanged."""
    global _varprog
    if '$' not in path:
        return path
    if not _varprog:
        import re
        _varprog = re.compile(r'\$(\w+|\{[^}]*\})')
    i = 0
    while True:
        m = _varprog.search(path, i)
        if not m:
            break
        i, j = m.span(0)
        name = m.group(1)
        if name.startswith('{') and name.endswith('}'):
            name = name[1:-1]
        if name in os.environ:
            tail = path[j:]
            path = path[:i] + os.environ[name]
            i = len(path)
            path += tail
        else:
            i = j
    return path

# Normalize a path, e.g. A//B, A/./B and A/foo/../B all become A/B.
# It should be understood that this may change the meaning of the path
# if it contains symbolic links!

def normpath(path):
    """Normalize path, eliminating double slashes, etc."""
    # Preserve unicode (if path is unicode)
    slash, dot = (u'/', u'.') if isinstance(path, _unicode) else ('/', '.')
    if path == '':
        return dot
    initial_slashes = path.startswith('/')
    # POSIX allows one or two initial slashes, but treats three or more
    # as single slash.
    if (initial_slashes and
        path.startswith('//') and not path.startswith('///')):
        initial_slashes = 2
    comps = path.split('/')
    new_comps = []
    for comp in comps:
        if comp in ('', '.'):
            continue
        if (comp != '..' or (not initial_slashes and not new_comps) or
             (new_comps and new_comps[-1] == '..')):
            new_comps.append(comp)
        elif new_comps:
            new_comps.pop()
    comps = new_comps
    path = slash.join(comps)
    if initial_slashes:
        path = slash*initial_slashes + path
    return path or dot

def abspath(path):
    """Return an absolute path."""
    if not isabs(path):
        if isinstance(path, _unicode):
            cwd = os.getcwdu()
        else:
            cwd = os.getcwd()
        path = join(cwd, path)
    return normpath(path)

# Return a canonical path (i.e. the absolute location of a file on the
# filesystem).

def realpath(filename):
    """Return the canonical path of the specified filename, eliminating any
symbolic links encountered in the path."""
    path, ok = _joinrealpath('', filename, {})
    return abspath(path)

# Join two paths, normalizing ang eliminating any symbolic links
# encountered in the second path.
def _joinrealpath(path, rest, seen):
    if isabs(rest):
        rest = rest[1:]
        path = sep

while rest:
        name, _, rest = rest.partition(sep)
        if not name or name == curdir:
            # current dir
            continue
        if name == pardir:
            # parent dir
            if path:
                path, name = split(path)
                if name == pardir:
                    path = join(path, pardir, pardir)
            else:
                path = pardir
            continue
        newpath = join(path, name)
        if not islink(newpath):
            path = newpath
            continue
        # Resolve the symbolic link
        if newpath in seen:
            # Already seen this path
            path = seen[newpath]
            if path is not None:
                # use cached value
                continue
            # The symlink is not resolved, so we must have a symlink loop.
            # Return already resolved part + rest of the path unchanged.
            return join(newpath, rest), False
        seen[newpath] = None # not resolved symlink
        path, ok = _joinrealpath(path, os.readlink(newpath), seen)
        if not ok:
            return join(path, rest), False
        seen[newpath] = path # resolved symlink

return path, True

supports_unicode_filenames = (sys.platform == 'darwin')

def relpath(path, start=curdir):
    """Return a relative version of a path"""

if not path:
        raise ValueError("no path specified")

start_list = [x for x in abspath(start).split(sep) if x]
    path_list = [x for x in abspath(path).split(sep) if x]

# Work out how much of the filepath is shared by start and path.
    i = len(commonprefix([start_list, path_list]))

rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
    if not rel_list:
        return curdir
    return join(*rel_list)