FM / python2.7

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

Name	Size	Mode	Actions
bsddb/	-	0755	rm
compiler/	-	0755	rm
config/	-	0755	rm
ctypes/	-	0755	rm
curses/	-	0755	rm
distutils/	-	0755	rm
email/	-	0755	rm
encodings/	-	0755	rm
ensurepip/	-	0755	rm
hotshot/	-	0755	rm
idlelib/	-	0755	rm
importlib/	-	0755	rm
json/	-	0755	rm
lib-dynload/	-	0755	rm
lib2to3/	-	0755	rm
logging/	-	0755	rm
multiprocessing/	-	0755	rm
plat-linux2/	-	0755	rm
pydoc_data/	-	0755	rm
site-packages/	-	0755	rm
sqlite3/	-	0755	rm
test/	-	0755	rm
unittest/	-	0755	rm
wsgiref/	-	0755	rm
xml/	-	0755	rm
abc.py	7145	0644	edit dl rm
abc.pyc	6286	0644	edit dl rm
abc.pyo	6230	0644	edit dl rm
aifc.py	34579	0644	edit dl rm
aifc.pyc	31408	0644	edit dl rm
aifc.pyo	31408	0644	edit dl rm
antigravity.py	60	0644	edit dl rm
antigravity.pyc	216	0644	edit dl rm
antigravity.pyo	216	0644	edit dl rm
anydbm.py	2663	0644	edit dl rm
anydbm.pyc	2839	0644	edit dl rm
anydbm.pyo	2839	0644	edit dl rm
argparse.py	89228	0644	edit dl rm
argparse.pyc	66382	0644	edit dl rm
argparse.pyo	66217	0644	edit dl rm
ast.py	11805	0644	edit dl rm
ast.pyc	13250	0644	edit dl rm
ast.pyo	13250	0644	edit dl rm
asynchat.py	11581	0644	edit dl rm
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asyncore.py	20943	0644	edit dl rm
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atexit.py	1705	0644	edit dl rm
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audiodev.py	7597	0644	edit dl rm
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audiodev.pyo	8820	0644	edit dl rm
base64.py	11803	0755	edit dl rm
base64.pyc	11531	0644	edit dl rm
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BaseHTTPServer.py	22747	0644	edit dl rm
BaseHTTPServer.pyc	21982	0644	edit dl rm
BaseHTTPServer.pyo	21982	0644	edit dl rm
Bastion.py	5744	0644	edit dl rm
Bastion.pyc	6855	0644	edit dl rm
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bdb.py	21714	0644	edit dl rm
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binhex.py	14698	0644	edit dl rm
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bisect.py	2595	0644	edit dl rm
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calendar.py	23384	0644	edit dl rm
calendar.pyc	28940	0644	edit dl rm
calendar.pyo	28940	0644	edit dl rm
cgi.py	35794	0755	edit dl rm
cgi.pyc	34034	0644	edit dl rm
cgi.pyo	34034	0644	edit dl rm
CGIHTTPServer.py	13089	0644	edit dl rm
CGIHTTPServer.pyc	11187	0644	edit dl rm
CGIHTTPServer.pyo	11187	0644	edit dl rm
cgitb.py	12175	0644	edit dl rm
cgitb.pyc	12372	0644	edit dl rm
cgitb.pyo	12372	0644	edit dl rm
chunk.py	5419	0644	edit dl rm
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chunk.pyo	5745	0644	edit dl rm
cmd.py	15026	0644	edit dl rm
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code.py	10189	0644	edit dl rm
code.pyc	10542	0644	edit dl rm
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codecs.py	36143	0644	edit dl rm
codecs.pyc	38046	0644	edit dl rm
codecs.pyo	38046	0644	edit dl rm
codeop.py	5999	0644	edit dl rm
codeop.pyc	6727	0644	edit dl rm
codeop.pyo	6727	0644	edit dl rm
collections.py	27798	0644	edit dl rm
collections.pyc	26839	0644	edit dl rm
collections.pyo	26788	0644	edit dl rm
colorsys.py	3691	0644	edit dl rm
colorsys.pyc	4095	0644	edit dl rm
colorsys.pyo	4095	0644	edit dl rm
commands.py	2545	0644	edit dl rm
commands.pyc	2547	0644	edit dl rm
commands.pyo	2547	0644	edit dl rm
compileall.py	7763	0644	edit dl rm
compileall.pyc	7095	0644	edit dl rm
compileall.pyo	7095	0644	edit dl rm
ConfigParser.py	27746	0644	edit dl rm
ConfigParser.pyc	25980	0644	edit dl rm
ConfigParser.pyo	25980	0644	edit dl rm
contextlib.py	4424	0644	edit dl rm
contextlib.pyc	4610	0644	edit dl rm
contextlib.pyo	4610	0644	edit dl rm
Cookie.py	26538	0644	edit dl rm
Cookie.pyc	23152	0644	edit dl rm
Cookie.pyo	23152	0644	edit dl rm
cookielib.py	65486	0644	edit dl rm
cookielib.pyc	55986	0644	edit dl rm
cookielib.pyo	55798	0644	edit dl rm
copy.py	11533	0644	edit dl rm
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copy_reg.py	6974	0644	edit dl rm
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cProfile.py	6570	0755	edit dl rm
cProfile.pyc	6577	0644	edit dl rm
cProfile.pyo	6577	0644	edit dl rm
crypt.py	2291	0644	edit dl rm
crypt.pyc	3025	0644	edit dl rm
crypt.pyo	3025	0644	edit dl rm
csv.py	16708	0644	edit dl rm
csv.pyc	13884	0644	edit dl rm
csv.pyo	13884	0644	edit dl rm
dbhash.py	498	0644	edit dl rm
dbhash.pyc	744	0644	edit dl rm
dbhash.pyo	744	0644	edit dl rm
decimal.py	221933	0644	edit dl rm
decimal.pyc	175470	0644	edit dl rm
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difflib.py	82325	0644	edit dl rm
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dircache.py	1126	0644	edit dl rm
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dis.py	6499	0644	edit dl rm
dis.pyc	6332	0644	edit dl rm
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doctest.py	105095	0644	edit dl rm
doctest.pyc	85210	0644	edit dl rm
doctest.pyo	84923	0644	edit dl rm
DocXMLRPCServer.py	10768	0644	edit dl rm
DocXMLRPCServer.pyc	10442	0644	edit dl rm
DocXMLRPCServer.pyo	10333	0644	edit dl rm
dumbdbm.py	9141	0644	edit dl rm
dumbdbm.pyc	6993	0644	edit dl rm
dumbdbm.pyo	6993	0644	edit dl rm
dummy_thread.py	4418	0644	edit dl rm
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dummy_threading.py	2804	0644	edit dl rm
dummy_threading.pyc	1298	0644	edit dl rm
dummy_threading.pyo	1298	0644	edit dl rm
filecmp.py	9588	0644	edit dl rm
filecmp.pyc	9882	0644	edit dl rm
filecmp.pyo	9882	0644	edit dl rm
fileinput.py	13746	0644	edit dl rm
fileinput.pyc	14890	0644	edit dl rm
fileinput.pyo	14890	0644	edit dl rm
fnmatch.py	3315	0644	edit dl rm
fnmatch.pyc	3692	0644	edit dl rm
fnmatch.pyo	3692	0644	edit dl rm
formatter.py	14911	0644	edit dl rm
formatter.pyc	20179	0644	edit dl rm
formatter.pyo	20179	0644	edit dl rm
fpformat.py	4732	0644	edit dl rm
fpformat.pyc	4807	0644	edit dl rm
fpformat.pyo	4807	0644	edit dl rm
fractions.py	22390	0644	edit dl rm
fractions.pyc	20218	0644	edit dl rm
fractions.pyo	20218	0644	edit dl rm
ftplib.py	38194	0644	edit dl rm
ftplib.pyc	35652	0644	edit dl rm
ftplib.pyo	35652	0644	edit dl rm
functools.py	4806	0644	edit dl rm
functools.pyc	7019	0644	edit dl rm
functools.pyo	7019	0644	edit dl rm
genericpath.py	3201	0644	edit dl rm
genericpath.pyc	3660	0644	edit dl rm
genericpath.pyo	3660	0644	edit dl rm
getopt.py	7319	0644	edit dl rm
getopt.pyc	6784	0644	edit dl rm
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getpass.py	5563	0644	edit dl rm
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gettext.py	22666	0644	edit dl rm
gettext.pyc	18602	0644	edit dl rm
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glob.py	3114	0644	edit dl rm
glob.pyc	3047	0644	edit dl rm
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gzip.py	19028	0644	edit dl rm
gzip.pyc	15626	0644	edit dl rm
gzip.pyo	15626	0644	edit dl rm
hashlib.py	7842	0644	edit dl rm
hashlib.pyc	7026	0644	edit dl rm
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heapq.py	18295	0644	edit dl rm
heapq.pyc	14798	0644	edit dl rm
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hmac.py	4588	0644	edit dl rm
hmac.pyc	4672	0644	edit dl rm
hmac.pyo	4672	0644	edit dl rm
htmlentitydefs.py	18056	0644	edit dl rm
htmlentitydefs.pyc	6380	0644	edit dl rm
htmlentitydefs.pyo	6380	0644	edit dl rm
htmllib.py	12869	0644	edit dl rm
htmllib.pyc	21492	0644	edit dl rm
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HTMLParser.py	17171	0644	edit dl rm
HTMLParser.pyc	14143	0644	edit dl rm
HTMLParser.pyo	13838	0644	edit dl rm
httplib.py	52300	0644	edit dl rm
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httplib.pyo	38609	0644	edit dl rm
ihooks.py	18986	0644	edit dl rm
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imaplib.py	48366	0644	edit dl rm
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imaplib.pyo	43506	0644	edit dl rm
imghdr.py	3541	0644	edit dl rm
imghdr.pyc	5046	0644	edit dl rm
imghdr.pyo	5046	0644	edit dl rm
imputil.py	25764	0644	edit dl rm
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imputil.pyo	15939	0644	edit dl rm
inspect.py	43008	0644	edit dl rm
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io.py	3322	0644	edit dl rm
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keyword.py	1992	0755	edit dl rm
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linecache.py	4027	0644	edit dl rm
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locale.py	102834	0644	edit dl rm
locale.pyc	57026	0644	edit dl rm
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macpath.py	6289	0644	edit dl rm
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macurl2path.py	2731	0644	edit dl rm
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mailbox.py	81240	0644	edit dl rm
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mailcap.py	7429	0644	edit dl rm
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markupbase.py	14643	0644	edit dl rm
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md5.py	358	0644	edit dl rm
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mhlib.py	33434	0644	edit dl rm
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mimetools.py	7168	0644	edit dl rm
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MimeWriter.py	6482	0644	edit dl rm
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mimify.py	15017	0755	edit dl rm
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modulefinder.py	24461	0644	edit dl rm
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multifile.py	4820	0644	edit dl rm
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mutex.py	1878	0644	edit dl rm
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netrc.py	5888	0644	edit dl rm
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new.py	610	0644	edit dl rm
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nntplib.py	21470	0644	edit dl rm
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ntpath.py	19429	0644	edit dl rm
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ntpath.pyo	13415	0644	edit dl rm
nturl2path.py	2419	0644	edit dl rm
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numbers.py	10319	0644	edit dl rm
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opcode.py	5474	0644	edit dl rm
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optparse.py	61203	0644	edit dl rm
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os.py	25910	0644	edit dl rm
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pdb.doc	7914	0644	edit dl rm
pdb.py	46095	0755	edit dl rm
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pickle.py	45489	0644	edit dl rm
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pickletools.py	74523	0644	edit dl rm
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pipes.py	9582	0644	edit dl rm
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pkgutil.py	20243	0644	edit dl rm
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platform.py	52785	0755	edit dl rm
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plistlib.py	15185	0644	edit dl rm
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popen2.py	8416	0644	edit dl rm
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poplib.py	12824	0644	edit dl rm
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posixpath.py	14293	0644	edit dl rm
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pprint.py	11777	0644	edit dl rm
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profile.py	22778	0755	edit dl rm
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pstats.py	26712	0644	edit dl rm
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pty.py	5058	0644	edit dl rm
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pydoc.py	95663	0755	edit dl rm
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py_compile.py	5936	0644	edit dl rm
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sndhdr.py	5973	0644	edit dl rm
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Edit: /opt/alt/python27/lib64/python2.7/pydoc.py (95663B)

#! /bin/env python
# -*- coding: latin-1 -*-
"""Generate Python documentation in HTML or text for interactive use.

In the Python interpreter, do "from pydoc import help" to provide online
help.  Calling help(thing) on a Python object documents the object.

Or, at the shell command line outside of Python:

Run "pydoc <name>" to show documentation on something. <name> may be
the name of a function, module, package, or a dotted reference to a
class or function within a module or module in a package. If the
argument contains a path segment delimiter (e.g. slash on Unix,
backslash on Windows) it is treated as the path to a Python source file.

Run "pydoc -k <keyword>" to search for a keyword in the synopsis lines
of all available modules.

Run "pydoc -p <port>" to start an HTTP server on a given port on the
local machine to generate documentation web pages. Port number 0 can be
used to get an arbitrary unused port.

Run "pydoc -w <name>" to write out the HTML documentation for a module
to a file named "<name>.html".

Module docs for core modules are assumed to be in

https://docs.python.org/library/

This can be overridden by setting the PYTHONDOCS environment variable
to a different URL or to a local directory containing the Library
Reference Manual pages.
"""

__author__ = "Ka-Ping Yee <ping@lfw.org>"
__date__ = "26 February 2001"

__version__ = "$Revision: 88564 $"
__credits__ = """Guido van Rossum, for an excellent programming language.
Tommy Burnette, the original creator of manpy.
Paul Prescod, for all his work on onlinehelp.
Richard Chamberlain, for the first implementation of textdoc.
"""

# Known bugs that can't be fixed here:
#   - imp.load_module() cannot be prevented from clobbering existing
#     loaded modules, so calling synopsis() on a binary module file
#     changes the contents of any existing module with the same name.
#   - If the __file__ attribute on a module is a relative path and
#     the current directory is changed with os.chdir(), an incorrect
#     path will be displayed.

import sys, imp, os, re, types, inspect, __builtin__, pkgutil, warnings
from repr import Repr
from string import expandtabs, find, join, lower, split, strip, rfind, rstrip
from traceback import extract_tb
try:
    from collections import deque
except ImportError:
    # Python 2.3 compatibility
    class deque(list):
        def popleft(self):
            return self.pop(0)

# --------------------------------------------------------- common routines

def pathdirs():
    """Convert sys.path into a list of absolute, existing, unique paths."""
    dirs = []
    normdirs = []
    for dir in sys.path:
        dir = os.path.abspath(dir or '.')
        normdir = os.path.normcase(dir)
        if normdir not in normdirs and os.path.isdir(dir):
            dirs.append(dir)
            normdirs.append(normdir)
    return dirs

def getdoc(object):
    """Get the doc string or comments for an object."""
    result = inspect.getdoc(object) or inspect.getcomments(object)
    result = _encode(result)
    return result and re.sub('^ *\n', '', rstrip(result)) or ''

def splitdoc(doc):
    """Split a doc string into a synopsis line (if any) and the rest."""
    lines = split(strip(doc), '\n')
    if len(lines) == 1:
        return lines[0], ''
    elif len(lines) >= 2 and not rstrip(lines[1]):
        return lines[0], join(lines[2:], '\n')
    return '', join(lines, '\n')

def classname(object, modname):
    """Get a class name and qualify it with a module name if necessary."""
    name = object.__name__
    if object.__module__ != modname:
        name = object.__module__ + '.' + name
    return name

def isdata(object):
    """Check if an object is of a type that probably means it's data."""
    return not (inspect.ismodule(object) or inspect.isclass(object) or
                inspect.isroutine(object) or inspect.isframe(object) or
                inspect.istraceback(object) or inspect.iscode(object))

def replace(text, *pairs):
    """Do a series of global replacements on a string."""
    while pairs:
        text = join(split(text, pairs[0]), pairs[1])
        pairs = pairs[2:]
    return text

def cram(text, maxlen):
    """Omit part of a string if needed to make it fit in a maximum length."""
    if len(text) > maxlen:
        pre = max(0, (maxlen-3)//2)
        post = max(0, maxlen-3-pre)
        return text[:pre] + '...' + text[len(text)-post:]
    return text

_re_stripid = re.compile(r' at 0x[0-9a-f]{6,16}(>+)$', re.IGNORECASE)
def stripid(text):
    """Remove the hexadecimal id from a Python object representation."""
    # The behaviour of %p is implementation-dependent in terms of case.
    return _re_stripid.sub(r'\1', text)

def _is_some_method(obj):
    return inspect.ismethod(obj) or inspect.ismethoddescriptor(obj)

def allmethods(cl):
    methods = {}
    for key, value in inspect.getmembers(cl, _is_some_method):
        methods[key] = 1
    for base in cl.__bases__:
        methods.update(allmethods(base)) # all your base are belong to us
    for key in methods.keys():
        methods[key] = getattr(cl, key)
    return methods

def _split_list(s, predicate):
    """Split sequence s via predicate, and return pair ([true], [false]).

The return value is a 2-tuple of lists,
        ([x for x in s if predicate(x)],
         [x for x in s if not predicate(x)])
    """

yes = []
    no = []
    for x in s:
        if predicate(x):
            yes.append(x)
        else:
            no.append(x)
    return yes, no

def visiblename(name, all=None, obj=None):
    """Decide whether to show documentation on a variable."""
    # Certain special names are redundant.
    _hidden_names = ('__builtins__', '__doc__', '__file__', '__path__',
                     '__module__', '__name__', '__slots__', '__package__')
    if name in _hidden_names: return 0
    # Private names are hidden, but special names are displayed.
    if name.startswith('__') and name.endswith('__'): return 1
    # Namedtuples have public fields and methods with a single leading underscore
    if name.startswith('_') and hasattr(obj, '_fields'):
        return 1
    if all is not None:
        # only document that which the programmer exported in __all__
        return name in all
    else:
        return not name.startswith('_')

def classify_class_attrs(object):
    """Wrap inspect.classify_class_attrs, with fixup for data descriptors."""
    def fixup(data):
        name, kind, cls, value = data
        if inspect.isdatadescriptor(value):
            kind = 'data descriptor'
        return name, kind, cls, value
    return map(fixup, inspect.classify_class_attrs(object))

# ----------------------------------------------------- Unicode support helpers

try:
    _unicode = unicode
except NameError:
    # If Python is built without Unicode support, the unicode type
    # will not exist. Fake one that nothing will match, and make
    # the _encode function that do nothing.
    class _unicode(object):
        pass
    _encoding = 'ascii'
    def _encode(text, encoding='ascii'):
        return text
else:
    import locale
    _encoding = locale.getpreferredencoding()

def _encode(text, encoding=None):
        if isinstance(text, unicode):
            return text.encode(encoding or _encoding, 'xmlcharrefreplace')
        else:
            return text

def _binstr(obj):
    # Ensure that we have an encoded (binary) string representation of obj,
    # even if it is a unicode string.
    if isinstance(obj, _unicode):
        return obj.encode(_encoding, 'xmlcharrefreplace')
    return str(obj)

# ----------------------------------------------------- module manipulation

def ispackage(path):
    """Guess whether a path refers to a package directory."""
    if os.path.isdir(path):
        for ext in ('.py', '.pyc', '.pyo'):
            if os.path.isfile(os.path.join(path, '__init__' + ext)):
                return True
    return False

def source_synopsis(file):
    line = file.readline()
    while line[:1] == '#' or not strip(line):
        line = file.readline()
        if not line: break
    line = strip(line)
    if line[:4] == 'r"""': line = line[1:]
    if line[:3] == '"""':
        line = line[3:]
        if line[-1:] == '\\': line = line[:-1]
        while not strip(line):
            line = file.readline()
            if not line: break
        result = strip(split(line, '"""')[0])
    else: result = None
    return result

def synopsis(filename, cache={}):
 """Get the one-line summary out of a module file."""
 mtime = os.stat(filename).st_mtime
 lastupdate, result = cache.get(filename, (None, None))
 if lastupdate is None or lastupdate < mtime:
 info = inspect.getmoduleinfo(filename)
 try:
 file = open(filename)
 except IOError:
 # module can't be opened, so skip it
 return None
 if info and 'b' in info[2]: # binary modules have to be imported
 try: module = imp.load_module('__temp__', file, filename, info[1:])
 except: return None
 result = module.__doc__.splitlines()[0] if module.__doc__ else None
 del sys.modules['__temp__']
 else: # text modules can be directly examined
 result = source_synopsis(file)
 file.close()
 cache[filename] = (mtime, result)
 return result

class ErrorDuringImport(Exception):
    """Errors that occurred while trying to import something to document it."""
    def __init__(self, filename, exc_info):
        exc, value, tb = exc_info
        self.filename = filename
        self.exc = exc
        self.value = value
        self.tb = tb

def __str__(self):
        exc = self.exc
        if type(exc) is types.ClassType:
            exc = exc.__name__
        return 'problem in %s - %s: %s' % (self.filename, exc, self.value)

def importfile(path):
    """Import a Python source file or compiled file given its path."""
    magic = imp.get_magic()
    file = open(path, 'r')
    if file.read(len(magic)) == magic:
        kind = imp.PY_COMPILED
    else:
        kind = imp.PY_SOURCE
    file.close()
    filename = os.path.basename(path)
    name, ext = os.path.splitext(filename)
    file = open(path, 'r')
    try:
        module = imp.load_module(name, file, path, (ext, 'r', kind))
    except:
        raise ErrorDuringImport(path, sys.exc_info())
    file.close()
    return module

def safeimport(path, forceload=0, cache={}):
    """Import a module; handle errors; return None if the module isn't found.

If the module *is* found but an exception occurs, it's wrapped in an
    ErrorDuringImport exception and reraised.  Unlike __import__, if a
    package path is specified, the module at the end of the path is returned,
    not the package at the beginning.  If the optional 'forceload' argument
    is 1, we reload the module from disk (unless it's a dynamic extension)."""
    try:
        # If forceload is 1 and the module has been previously loaded from
        # disk, we always have to reload the module.  Checking the file's
        # mtime isn't good enough (e.g. the module could contain a class
        # that inherits from another module that has changed).
        if forceload and path in sys.modules:
            if path not in sys.builtin_module_names:
                # Avoid simply calling reload() because it leaves names in
                # the currently loaded module lying around if they're not
                # defined in the new source file.  Instead, remove the
                # module from sys.modules and re-import.  Also remove any
                # submodules because they won't appear in the newly loaded
                # module's namespace if they're already in sys.modules.
                subs = [m for m in sys.modules if m.startswith(path + '.')]
                for key in [path] + subs:
                    # Prevent garbage collection.
                    cache[key] = sys.modules[key]
                    del sys.modules[key]
        module = __import__(path)
    except:
        # Did the error occur before or after the module was found?
        (exc, value, tb) = info = sys.exc_info()
        if path in sys.modules:
            # An error occurred while executing the imported module.
            raise ErrorDuringImport(sys.modules[path].__file__, info)
        elif exc is SyntaxError:
            # A SyntaxError occurred before we could execute the module.
            raise ErrorDuringImport(value.filename, info)
        elif exc is ImportError and extract_tb(tb)[-1][2]=='safeimport':
            # The import error occurred directly in this function,
            # which means there is no such module in the path.
            return None
        else:
            # Some other error occurred during the importing process.
            raise ErrorDuringImport(path, sys.exc_info())
    for part in split(path, '.')[1:]:
        try: module = getattr(module, part)
        except AttributeError: return None
    return module

# ---------------------------------------------------- formatter base class

class Doc:
    def document(self, object, name=None, *args):
        """Generate documentation for an object."""
        args = (object, name) + args
        # 'try' clause is to attempt to handle the possibility that inspect
        # identifies something in a way that pydoc itself has issues handling;
        # think 'super' and how it is a descriptor (which raises the exception
        # by lacking a __name__ attribute) and an instance.
        if inspect.isgetsetdescriptor(object): return self.docdata(*args)
        if inspect.ismemberdescriptor(object): return self.docdata(*args)
        try:
            if inspect.ismodule(object): return self.docmodule(*args)
            if inspect.isclass(object): return self.docclass(*args)
            if inspect.isroutine(object): return self.docroutine(*args)
        except AttributeError:
            pass
        if isinstance(object, property): return self.docproperty(*args)
        return self.docother(*args)

def fail(self, object, name=None, *args):
        """Raise an exception for unimplemented types."""
        message = "don't know how to document object%s of type %s" % (
            name and ' ' + repr(name), type(object).__name__)
        raise TypeError, message

docmodule = docclass = docroutine = docother = docproperty = docdata = fail

def getdocloc(self, object,
                  basedir=os.path.join(sys.exec_prefix, "lib",
                                       "python"+sys.version[0:3])):
        """Return the location of module docs or None"""

try:
            file = inspect.getabsfile(object)
        except TypeError:
            file = '(built-in)'

docloc = os.environ.get("PYTHONDOCS",
                                "https://docs.python.org/library")
        basedir = os.path.normcase(basedir)
        if (isinstance(object, type(os)) and
            (object.__name__ in ('errno', 'exceptions', 'gc', 'imp',
                                 'marshal', 'posix', 'signal', 'sys',
                                 'thread', 'zipimport') or
             (file.startswith(basedir) and
              not file.startswith(os.path.join(basedir, 'site-packages')))) and
            object.__name__ not in ('xml.etree', 'test.pydoc_mod')):
            if docloc.startswith(("http://", "https://")):
                docloc = "%s/%s" % (docloc.rstrip("/"), object.__name__.lower())
            else:
                docloc = os.path.join(docloc, object.__name__.lower() + ".html")
        else:
            docloc = None
        return docloc

# -------------------------------------------- HTML documentation generator

class HTMLRepr(Repr):
    """Class for safely making an HTML representation of a Python object."""
    def __init__(self):
        Repr.__init__(self)
        self.maxlist = self.maxtuple = 20
        self.maxdict = 10
        self.maxstring = self.maxother = 100

def escape(self, text):
 return replace(text, '&', '&amp;', '<', '&lt;', '>', '&gt;')

def repr(self, object):
        return Repr.repr(self, object)

def repr1(self, x, level):
        if hasattr(type(x), '__name__'):
            methodname = 'repr_' + join(split(type(x).__name__), '_')
            if hasattr(self, methodname):
                return getattr(self, methodname)(x, level)
        return self.escape(cram(stripid(repr(x)), self.maxother))

def repr_string(self, x, level):
 test = cram(x, self.maxstring)
 testrepr = repr(test)
 if '\\' in test and '\\' not in replace(testrepr, r'\\', ''):
 # Backslashes are only literal in the string and are never
 # needed to make any special characters, so show a raw string.
 return 'r' + testrepr[0] + self.escape(test) + testrepr[0]
 return re.sub(r'((\\[\\abfnrtv\'"]|\\[0-9]..|\\x..|\\u....)+)',
 r'\1',
 self.escape(testrepr))

repr_str = repr_string

def repr_instance(self, x, level):
 try:
 return self.escape(cram(stripid(repr(x)), self.maxstring))
 except:
 return self.escape('<%s instance>' % x.__class__.__name__)

repr_unicode = repr_string

class HTMLDoc(Doc):
    """Formatter class for HTML documentation."""

# ------------------------------------------- HTML formatting utilities

_repr_instance = HTMLRepr()
    repr = _repr_instance.repr
    escape = _repr_instance.escape

def page(self, title, contents):
 """Format an HTML page."""
 return _encode('''
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: %s</title>
<meta charset="utf-8">
</head><body bgcolor="#f0f0f8">
%s
</body></html>''' % (title, contents), 'ascii')

def heading(self, title, fgcol, bgcol, extras=''):
 """Format a page heading."""
 return '''
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="heading">
<tr bgcolor="%s">
<td valign=bottom>&nbsp; 
&nbsp; %s</td
><td align=right valign=bottom
>%s</td></tr></table>
 ''' % (bgcol, fgcol, title, fgcol, extras or '&nbsp;')

def section(self, title, fgcol, bgcol, contents, width=6,
 prelude='', marginalia=None, gap='&nbsp;'):
 """Format a section with a heading."""
 if marginalia is None:
 marginalia = '<tt>' + '&nbsp;' * width + '</tt>'
 result = '''
<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="%s">
<td colspan=3 valign=bottom>&nbsp; 
%s</td></tr>
 ''' % (bgcol, fgcol, title)
 if prelude:
 result = result + '''
<tr bgcolor="%s"><td rowspan=2>%s</td>
<td colspan=2>%s</td></tr>
<tr><td>%s</td>''' % (bgcol, marginalia, prelude, gap)
 else:
 result = result + '''
<tr><td bgcolor="%s">%s</td><td>%s</td>''' % (bgcol, marginalia, gap)

return result + '\n<td width="100%%">%s</td></tr></table>' % contents

def bigsection(self, title, *args):
 """Format a section with a big heading."""
 title = '<big>%s</big>' % title
 return self.section(title, *args)

def preformat(self, text):
 """Format literal preformatted text."""
 text = self.escape(expandtabs(text))
 return replace(text, '\n\n', '\n \n', '\n\n', '\n \n',
 ' ', '&nbsp;', '\n', ' \n')

def multicolumn(self, list, format, cols=4):
 """Format a list of items into a multi-column list."""
 result = ''
 rows = (len(list)+cols-1)//cols
 for col in range(cols):
 result = result + '<td width="%d%%" valign=top>' % (100//cols)
 for i in range(rows*col, rows*col+rows):
 if i < len(list):
 result = result + format(list[i]) + ' \n'
 result = result + '</td>'
 return '<table width="100%%" summary="list"><tr>%s</tr></table>' % result

def grey(self, text): return '%s' % text

def namelink(self, name, *dicts):
 """Make a link for an identifier, given name-to-URL mappings."""
 for dict in dicts:
 if name in dict:
 return '<a href="%s">%s</a>' % (dict[name], name)
 return name

def classlink(self, object, modname):
 """Make a link for a class."""
 name, module = object.__name__, sys.modules.get(object.__module__)
 if hasattr(module, name) and getattr(module, name) is object:
 return '<a href="%s.html#%s">%s</a>' % (
 module.__name__, name, classname(object, modname))
 return classname(object, modname)

def modulelink(self, object):
 """Make a link for a module."""
 return '<a href="%s.html">%s</a>' % (object.__name__, object.__name__)

def modpkglink(self, data):
 """Make a link for a module or package to display in an index."""
 name, path, ispackage, shadowed = data
 if shadowed:
 return self.grey(name)
 if path:
 url = '%s.%s.html' % (path, name)
 else:
 url = '%s.html' % name
 if ispackage:
 text = '%s&nbsp;(package)' % name
 else:
 text = name
 return '<a href="%s">%s</a>' % (url, text)

def markup(self, text, escape=None, funcs={}, classes={}, methods={}):
        """Mark up some plain text, given a context of symbols to look for.
        Each context dictionary maps object names to anchor names."""
        escape = escape or self.escape
        results = []
        here = 0
        pattern = re.compile(r'\b((http|ftp)://\S+[\w/]|'
                                r'RFC[- ]?(\d+)|'
                                r'PEP[- ]?(\d+)|'
                                r'(self\.)?(\w+))')
        while True:
            match = pattern.search(text, here)
            if not match: break
            start, end = match.span()
            results.append(escape(text[here:start]))

all, scheme, rfc, pep, selfdot, name = match.groups()
 if scheme:
 url = escape(all).replace('"', '&quot;')
 results.append('<a href="%s">%s</a>' % (url, url))
 elif rfc:
 url = 'http://www.rfc-editor.org/rfc/rfc%d.txt' % int(rfc)
 results.append('<a href="%s">%s</a>' % (url, escape(all)))
 elif pep:
 url = 'http://www.python.org/dev/peps/pep-%04d/' % int(pep)
 results.append('<a href="%s">%s</a>' % (url, escape(all)))
 elif selfdot:
 # Create a link for methods like 'self.method(...)'
 # and use for attributes like 'self.attr'
 if text[end:end+1] == '(':
 results.append('self.' + self.namelink(name, methods))
 else:
 results.append('self.%s' % name)
 elif text[end:end+1] == '(':
 results.append(self.namelink(name, methods, funcs, classes))
 else:
 results.append(self.namelink(name, classes))
 here = end
 results.append(escape(text[here:]))
 return join(results, '')

# ---------------------------------------------- type-specific routines

def formattree(self, tree, modname, parent=None):
 """Produce HTML for a class tree as given by inspect.getclasstree()."""
 result = ''
 for entry in tree:
 if type(entry) is type(()):
 c, bases = entry
 result = result + '<dt>'
 result = result + self.classlink(c, modname)
 if bases and bases != (parent,):
 parents = []
 for base in bases:
 parents.append(self.classlink(base, modname))
 result = result + '(' + join(parents, ', ') + ')'
 result = result + '\n</dt>'
 elif type(entry) is type([]):
 result = result + '<dd>\n%s</dd>\n' % self.formattree(
 entry, modname, c)
 return '<dl>\n%s</dl>\n' % result

def docmodule(self, object, name=None, mod=None, *ignored):
 """Produce HTML documentation for a module object."""
 name = object.__name__ # ignore the passed-in name
 try:
 all = object.__all__
 except AttributeError:
 all = None
 parts = split(name, '.')
 links = []
 for i in range(len(parts)-1):
 links.append(
 '<a href="%s.html">%s</a>' %
 (join(parts[:i+1], '.'), parts[i]))
 linkedname = join(links + parts[-1:], '.')
 head = '<big><big>%s</big></big>' % linkedname
 try:
 path = inspect.getabsfile(object)
 url = path
 if sys.platform == 'win32':
 import nturl2path
 url = nturl2path.pathname2url(path)
 filelink = '<a href="file:%s">%s</a>' % (url, path)
 except TypeError:
 filelink = '(built-in)'
 info = []
 if hasattr(object, '__version__'):
 version = _binstr(object.__version__)
 if version[:11] == '$' + 'Revision: ' and version[-1:] == '$':
 version = strip(version[11:-1])
 info.append('version %s' % self.escape(version))
 if hasattr(object, '__date__'):
 info.append(self.escape(_binstr(object.__date__)))
 if info:
 head = head + ' (%s)' % join(info, ', ')
 docloc = self.getdocloc(object)
 if docloc is not None:
 docloc = ' <a href="%(docloc)s">Module Docs</a>' % locals()
 else:
 docloc = ''
 result = self.heading(
 head, '#ffffff', '#7799ee',
 '<a href=".">index</a> ' + filelink + docloc)

modules = inspect.getmembers(object, inspect.ismodule)

classes, cdict = [], {}
        for key, value in inspect.getmembers(object, inspect.isclass):
            # if __all__ exists, believe it.  Otherwise use old heuristic.
            if (all is not None or
                (inspect.getmodule(value) or object) is object):
                if visiblename(key, all, object):
                    classes.append((key, value))
                    cdict[key] = cdict[value] = '#' + key
        for key, value in classes:
            for base in value.__bases__:
                key, modname = base.__name__, base.__module__
                module = sys.modules.get(modname)
                if modname != name and module and hasattr(module, key):
                    if getattr(module, key) is base:
                        if not key in cdict:
                            cdict[key] = cdict[base] = modname + '.html#' + key
        funcs, fdict = [], {}
        for key, value in inspect.getmembers(object, inspect.isroutine):
            # if __all__ exists, believe it.  Otherwise use old heuristic.
            if (all is not None or
                inspect.isbuiltin(value) or inspect.getmodule(value) is object):
                if visiblename(key, all, object):
                    funcs.append((key, value))
                    fdict[key] = '#-' + key
                    if inspect.isfunction(value): fdict[value] = fdict[key]
        data = []
        for key, value in inspect.getmembers(object, isdata):
            if visiblename(key, all, object):
                data.append((key, value))

doc = self.markup(getdoc(object), self.preformat, fdict, cdict)
 doc = doc and '<tt>%s</tt>' % doc
 result = result + '%s\n' % doc

if hasattr(object, '__path__'):
            modpkgs = []
            for importer, modname, ispkg in pkgutil.iter_modules(object.__path__):
                modpkgs.append((modname, name, ispkg, 0))
            modpkgs.sort()
            contents = self.multicolumn(modpkgs, self.modpkglink)
            result = result + self.bigsection(
                'Package Contents', '#ffffff', '#aa55cc', contents)
        elif modules:
            contents = self.multicolumn(
                modules, lambda key_value, s=self: s.modulelink(key_value[1]))
            result = result + self.bigsection(
                'Modules', '#ffffff', '#aa55cc', contents)

if classes:
 classlist = map(lambda key_value: key_value[1], classes)
 contents = [
 self.formattree(inspect.getclasstree(classlist, 1), name)]
 for key, value in classes:
 contents.append(self.document(value, key, name, fdict, cdict))
 result = result + self.bigsection(
 'Classes', '#ffffff', '#ee77aa', join(contents))
 if funcs:
 contents = []
 for key, value in funcs:
 contents.append(self.document(value, key, name, fdict, cdict))
 result = result + self.bigsection(
 'Functions', '#ffffff', '#eeaa77', join(contents))
 if data:
 contents = []
 for key, value in data:
 contents.append(self.document(value, key))
 result = result + self.bigsection(
 'Data', '#ffffff', '#55aa55', join(contents, ' \n'))
 if hasattr(object, '__author__'):
 contents = self.markup(_binstr(object.__author__), self.preformat)
 result = result + self.bigsection(
 'Author', '#ffffff', '#7799ee', contents)
 if hasattr(object, '__credits__'):
 contents = self.markup(_binstr(object.__credits__), self.preformat)
 result = result + self.bigsection(
 'Credits', '#ffffff', '#7799ee', contents)

return result

def docclass(self, object, name=None, mod=None, funcs={}, classes={},
                 *ignored):
        """Produce HTML documentation for a class object."""
        realname = object.__name__
        name = name or realname
        bases = object.__bases__

contents = []
        push = contents.append

# Cute little class to pump out a horizontal rule between sections.
 class HorizontalRule:
 def __init__(self):
 self.needone = 0
 def maybe(self):
 if self.needone:
 push('<hr>\n')
 self.needone = 1
 hr = HorizontalRule()

# List the mro, if non-trivial.
 mro = deque(inspect.getmro(object))
 if len(mro) > 2:
 hr.maybe()
 push('<dl><dt>Method resolution order:</dt>\n')
 for base in mro:
 push('<dd>%s</dd>\n' % self.classlink(base,
 object.__module__))
 push('</dl>\n')

def spill(msg, attrs, predicate):
            ok, attrs = _split_list(attrs, predicate)
            if ok:
                hr.maybe()
                push(msg)
                for name, kind, homecls, value in ok:
                    try:
                        value = getattr(object, name)
                    except Exception:
                        # Some descriptors may meet a failure in their __get__.
                        # (bug #1785)
                        push(self._docdescriptor(name, value, mod))
                    else:
                        push(self.document(value, name, mod,
                                        funcs, classes, mdict, object))
                    push('\n')
            return attrs

def spilldescriptors(msg, attrs, predicate):
            ok, attrs = _split_list(attrs, predicate)
            if ok:
                hr.maybe()
                push(msg)
                for name, kind, homecls, value in ok:
                    push(self._docdescriptor(name, value, mod))
            return attrs

def spilldata(msg, attrs, predicate):
 ok, attrs = _split_list(attrs, predicate)
 if ok:
 hr.maybe()
 push(msg)
 for name, kind, homecls, value in ok:
 base = self.docother(getattr(object, name), name, mod)
 if (hasattr(value, '__call__') or
 inspect.isdatadescriptor(value)):
 doc = getattr(value, "__doc__", None)
 else:
 doc = None
 if doc is None:
 push('<dl><dt>%s</dl>\n' % base)
 else:
 doc = self.markup(getdoc(value), self.preformat,
 funcs, classes, mdict)
 doc = '<dd><tt>%s</tt>' % doc
 push('<dl><dt>%s%s</dl>\n' % (base, doc))
 push('\n')
 return attrs

attrs = filter(lambda data: visiblename(data[0], obj=object),
                       classify_class_attrs(object))
        mdict = {}
        for key, kind, homecls, value in attrs:
            mdict[key] = anchor = '#' + name + '-' + key
            try:
                value = getattr(object, name)
            except Exception:
                # Some descriptors may meet a failure in their __get__.
                # (bug #1785)
                pass
            try:
                # The value may not be hashable (e.g., a data attr with
                # a dict or list value).
                mdict[value] = anchor
            except TypeError:
                pass

while attrs:
            if mro:
                thisclass = mro.popleft()
            else:
                thisclass = attrs[0][2]
            attrs, inherited = _split_list(attrs, lambda t: t[2] is thisclass)

if thisclass is __builtin__.object:
 attrs = inherited
 continue
 elif thisclass is object:
 tag = 'defined here'
 else:
 tag = 'inherited from %s' % self.classlink(thisclass,
 object.__module__)
 tag += ': \n'

# Sort attrs by name.
            try:
                attrs.sort(key=lambda t: t[0])
            except TypeError:
                attrs.sort(lambda t1, t2: cmp(t1[0], t2[0]))    # 2.3 compat

# Pump out the attrs, segregated by kind.
            attrs = spill('Methods %s' % tag, attrs,
                          lambda t: t[1] == 'method')
            attrs = spill('Class methods %s' % tag, attrs,
                          lambda t: t[1] == 'class method')
            attrs = spill('Static methods %s' % tag, attrs,
                          lambda t: t[1] == 'static method')
            attrs = spilldescriptors('Data descriptors %s' % tag, attrs,
                                     lambda t: t[1] == 'data descriptor')
            attrs = spilldata('Data and other attributes %s' % tag, attrs,
                              lambda t: t[1] == 'data')
            assert attrs == []
            attrs = inherited

contents = ''.join(contents)

if name == realname:
 title = '<a name="%s">class %s</a>' % (
 name, realname)
 else:
 title = '%s = <a name="%s">class %s</a>' % (
 name, name, realname)
 if bases:
 parents = []
 for base in bases:
 parents.append(self.classlink(base, object.__module__))
 title = title + '(%s)' % join(parents, ', ')
 doc = self.markup(getdoc(object), self.preformat, funcs, classes, mdict)
 doc = doc and '<tt>%s &nbsp;</tt>' % doc

return self.section(title, '#000000', '#ffc8d8', contents, 3, doc)

def formatvalue(self, object):
        """Format an argument default value as text."""
        return self.grey('=' + self.repr(object))

def docroutine(self, object, name=None, mod=None,
                   funcs={}, classes={}, methods={}, cl=None):
        """Produce HTML documentation for a function or method object."""
        realname = object.__name__
        name = name or realname
        anchor = (cl and cl.__name__ or '') + '-' + name
        note = ''
        skipdocs = 0
        if inspect.ismethod(object):
            imclass = object.im_class
            if cl:
                if imclass is not cl:
                    note = ' from ' + self.classlink(imclass, mod)
            else:
                if object.im_self is not None:
                    note = ' method of %s instance' % self.classlink(
                        object.im_self.__class__, mod)
                else:
                    note = ' unbound %s method' % self.classlink(imclass,mod)
            object = object.im_func

if name == realname:
 title = '<a name="%s">%s</a>' % (anchor, realname)
 else:
 if (cl and realname in cl.__dict__ and
 cl.__dict__[realname] is object):
 reallink = '<a href="#%s">%s</a>' % (
 cl.__name__ + '-' + realname, realname)
 skipdocs = 1
 else:
 reallink = realname
 title = '<a name="%s">%s</a> = %s' % (
 anchor, name, reallink)
 if inspect.isfunction(object):
 args, varargs, varkw, defaults = inspect.getargspec(object)
 argspec = inspect.formatargspec(
 args, varargs, varkw, defaults, formatvalue=self.formatvalue)
 if realname == '<lambda>':
 title = '%s lambda ' % name
 argspec = argspec[1:-1] # remove parentheses
 else:
 argspec = '(...)'

decl = title + argspec + (note and self.grey(
 '%s' % note))

if skipdocs:
 return '<dl><dt>%s</dt></dl>\n' % decl
 else:
 doc = self.markup(
 getdoc(object), self.preformat, funcs, classes, methods)
 doc = doc and '<dd><tt>%s</tt></dd>' % doc
 return '<dl><dt>%s</dt>%s</dl>\n' % (decl, doc)

def _docdescriptor(self, name, value, mod):
        results = []
        push = results.append

if name:
 push('<dl><dt>%s</dt>\n' % name)
 if value.__doc__ is not None:
 doc = self.markup(getdoc(value), self.preformat)
 push('<dd><tt>%s</tt></dd>\n' % doc)
 push('</dl>\n')

return ''.join(results)

def docproperty(self, object, name=None, mod=None, cl=None):
        """Produce html documentation for a property."""
        return self._docdescriptor(name, object, mod)

def docother(self, object, name=None, mod=None, *ignored):
 """Produce HTML documentation for a data object."""
 lhs = name and '%s = ' % name or ''
 return lhs + self.repr(object)

def docdata(self, object, name=None, mod=None, cl=None):
        """Produce html documentation for a data descriptor."""
        return self._docdescriptor(name, object, mod)

def index(self, dir, shadowed=None):
        """Generate an HTML index for a directory of modules."""
        modpkgs = []
        if shadowed is None: shadowed = {}
        for importer, name, ispkg in pkgutil.iter_modules([dir]):
            modpkgs.append((name, '', ispkg, name in shadowed))
            shadowed[name] = 1

modpkgs.sort()
        contents = self.multicolumn(modpkgs, self.modpkglink)
        return self.bigsection(dir, '#ffffff', '#ee77aa', contents)

# -------------------------------------------- text documentation generator

class TextRepr(Repr):
    """Class for safely making a text representation of a Python object."""
    def __init__(self):
        Repr.__init__(self)
        self.maxlist = self.maxtuple = 20
        self.maxdict = 10
        self.maxstring = self.maxother = 100

repr_str = repr_string

def repr_instance(self, x, level):
 try:
 return cram(stripid(repr(x)), self.maxstring)
 except:
 return '<%s instance>' % x.__class__.__name__

class TextDoc(Doc):
    """Formatter class for text documentation."""

# ------------------------------------------- text formatting utilities

_repr_instance = TextRepr()
    repr = _repr_instance.repr

def bold(self, text):
        """Format a string in bold by overstriking."""
        return join(map(lambda ch: ch + '\b' + ch, text), '')

def indent(self, text, prefix='    '):
        """Indent text by prepending a given prefix to each line."""
        if not text: return ''
        lines = split(text, '\n')
        lines = map(lambda line, prefix=prefix: prefix + line, lines)
        if lines: lines[-1] = rstrip(lines[-1])
        return join(lines, '\n')

def section(self, title, contents):
        """Format a section with a given heading."""
        return self.bold(title) + '\n' + rstrip(self.indent(contents)) + '\n\n'

# ---------------------------------------------- type-specific routines

def formattree(self, tree, modname, parent=None, prefix=''):
        """Render in text a class tree as returned by inspect.getclasstree()."""
        result = ''
        for entry in tree:
            if type(entry) is type(()):
                c, bases = entry
                result = result + prefix + classname(c, modname)
                if bases and bases != (parent,):
                    parents = map(lambda c, m=modname: classname(c, m), bases)
                    result = result + '(%s)' % join(parents, ', ')
                result = result + '\n'
            elif type(entry) is type([]):
                result = result + self.formattree(
                    entry, modname, c, prefix + '    ')
        return result

def docmodule(self, object, name=None, mod=None):
        """Produce text documentation for a given module object."""
        name = object.__name__ # ignore the passed-in name
        synop, desc = splitdoc(getdoc(object))
        result = self.section('NAME', name + (synop and ' - ' + synop))

try:
            all = object.__all__
        except AttributeError:
            all = None

try:
            file = inspect.getabsfile(object)
        except TypeError:
            file = '(built-in)'
        result = result + self.section('FILE', file)

docloc = self.getdocloc(object)
        if docloc is not None:
            result = result + self.section('MODULE DOCS', docloc)

if desc:
            result = result + self.section('DESCRIPTION', desc)

classes = []
        for key, value in inspect.getmembers(object, inspect.isclass):
            # if __all__ exists, believe it.  Otherwise use old heuristic.
            if (all is not None
                or (inspect.getmodule(value) or object) is object):
                if visiblename(key, all, object):
                    classes.append((key, value))
        funcs = []
        for key, value in inspect.getmembers(object, inspect.isroutine):
            # if __all__ exists, believe it.  Otherwise use old heuristic.
            if (all is not None or
                inspect.isbuiltin(value) or inspect.getmodule(value) is object):
                if visiblename(key, all, object):
                    funcs.append((key, value))
        data = []
        for key, value in inspect.getmembers(object, isdata):
            if visiblename(key, all, object):
                data.append((key, value))

modpkgs = []
        modpkgs_names = set()
        if hasattr(object, '__path__'):
            for importer, modname, ispkg in pkgutil.iter_modules(object.__path__):
                modpkgs_names.add(modname)
                if ispkg:
                    modpkgs.append(modname + ' (package)')
                else:
                    modpkgs.append(modname)

modpkgs.sort()
            result = result + self.section(
                'PACKAGE CONTENTS', join(modpkgs, '\n'))

# Detect submodules as sometimes created by C extensions
        submodules = []
        for key, value in inspect.getmembers(object, inspect.ismodule):
            if value.__name__.startswith(name + '.') and key not in modpkgs_names:
                submodules.append(key)
        if submodules:
            submodules.sort()
            result = result + self.section(
                'SUBMODULES', join(submodules, '\n'))

if funcs:
            contents = []
            for key, value in funcs:
                contents.append(self.document(value, key, name))
            result = result + self.section('FUNCTIONS', join(contents, '\n'))

if data:
            contents = []
            for key, value in data:
                contents.append(self.docother(value, key, name, maxlen=70))
            result = result + self.section('DATA', join(contents, '\n'))

if hasattr(object, '__version__'):
            version = _binstr(object.__version__)
            if version[:11] == '$' + 'Revision: ' and version[-1:] == '$':
                version = strip(version[11:-1])
            result = result + self.section('VERSION', version)
        if hasattr(object, '__date__'):
            result = result + self.section('DATE', _binstr(object.__date__))
        if hasattr(object, '__author__'):
            result = result + self.section('AUTHOR', _binstr(object.__author__))
        if hasattr(object, '__credits__'):
            result = result + self.section('CREDITS', _binstr(object.__credits__))
        return result

def docclass(self, object, name=None, mod=None, *ignored):
        """Produce text documentation for a given class object."""
        realname = object.__name__
        name = name or realname
        bases = object.__bases__

def makename(c, m=object.__module__):
            return classname(c, m)

if name == realname:
            title = 'class ' + self.bold(realname)
        else:
            title = self.bold(name) + ' = class ' + realname
        if bases:
            parents = map(makename, bases)
            title = title + '(%s)' % join(parents, ', ')

doc = getdoc(object)
        contents = doc and [doc + '\n'] or []
        push = contents.append

# List the mro, if non-trivial.
        mro = deque(inspect.getmro(object))
        if len(mro) > 2:
            push("Method resolution order:")
            for base in mro:
                push('    ' + makename(base))
            push('')

# Cute little class to pump out a horizontal rule between sections.
        class HorizontalRule:
            def __init__(self):
                self.needone = 0
            def maybe(self):
                if self.needone:
                    push('-' * 70)
                self.needone = 1
        hr = HorizontalRule()

def spill(msg, attrs, predicate):
            ok, attrs = _split_list(attrs, predicate)
            if ok:
                hr.maybe()
                push(msg)
                for name, kind, homecls, value in ok:
                    try:
                        value = getattr(object, name)
                    except Exception:
                        # Some descriptors may meet a failure in their __get__.
                        # (bug #1785)
                        push(self._docdescriptor(name, value, mod))
                    else:
                        push(self.document(value,
                                        name, mod, object))
            return attrs

def spilldata(msg, attrs, predicate):
            ok, attrs = _split_list(attrs, predicate)
            if ok:
                hr.maybe()
                push(msg)
                for name, kind, homecls, value in ok:
                    if (hasattr(value, '__call__') or
                            inspect.isdatadescriptor(value)):
                        doc = getdoc(value)
                    else:
                        doc = None
                    push(self.docother(getattr(object, name),
                                       name, mod, maxlen=70, doc=doc) + '\n')
            return attrs

attrs = filter(lambda data: visiblename(data[0], obj=object),
                       classify_class_attrs(object))
        while attrs:
            if mro:
                thisclass = mro.popleft()
            else:
                thisclass = attrs[0][2]
            attrs, inherited = _split_list(attrs, lambda t: t[2] is thisclass)

if thisclass is __builtin__.object:
                attrs = inherited
                continue
            elif thisclass is object:
                tag = "defined here"
            else:
                tag = "inherited from %s" % classname(thisclass,
                                                      object.__module__)

# Sort attrs by name.
            attrs.sort()

# Pump out the attrs, segregated by kind.
            attrs = spill("Methods %s:\n" % tag, attrs,
                          lambda t: t[1] == 'method')
            attrs = spill("Class methods %s:\n" % tag, attrs,
                          lambda t: t[1] == 'class method')
            attrs = spill("Static methods %s:\n" % tag, attrs,
                          lambda t: t[1] == 'static method')
            attrs = spilldescriptors("Data descriptors %s:\n" % tag, attrs,
                                     lambda t: t[1] == 'data descriptor')
            attrs = spilldata("Data and other attributes %s:\n" % tag, attrs,
                              lambda t: t[1] == 'data')
            assert attrs == []
            attrs = inherited

contents = '\n'.join(contents)
        if not contents:
            return title + '\n'
        return title + '\n' + self.indent(rstrip(contents), ' |  ') + '\n'

def formatvalue(self, object):
        """Format an argument default value as text."""
        return '=' + self.repr(object)

def docroutine(self, object, name=None, mod=None, cl=None):
        """Produce text documentation for a function or method object."""
        realname = object.__name__
        name = name or realname
        note = ''
        skipdocs = 0
        if inspect.ismethod(object):
            imclass = object.im_class
            if cl:
                if imclass is not cl:
                    note = ' from ' + classname(imclass, mod)
            else:
                if object.im_self is not None:
                    note = ' method of %s instance' % classname(
                        object.im_self.__class__, mod)
                else:
                    note = ' unbound %s method' % classname(imclass,mod)
            object = object.im_func

if name == realname:
 title = self.bold(realname)
 else:
 if (cl and realname in cl.__dict__ and
 cl.__dict__[realname] is object):
 skipdocs = 1
 title = self.bold(name) + ' = ' + realname
 if inspect.isfunction(object):
 args, varargs, varkw, defaults = inspect.getargspec(object)
 argspec = inspect.formatargspec(
 args, varargs, varkw, defaults, formatvalue=self.formatvalue)
 if realname == '<lambda>':
 title = self.bold(name) + ' lambda '
 argspec = argspec[1:-1] # remove parentheses
 else:
 argspec = '(...)'
 decl = title + argspec + note

if skipdocs:
            return decl + '\n'
        else:
            doc = getdoc(object) or ''
            return decl + '\n' + (doc and rstrip(self.indent(doc)) + '\n')

def _docdescriptor(self, name, value, mod):
        results = []
        push = results.append

if name:
            push(self.bold(name))
            push('\n')
        doc = getdoc(value) or ''
        if doc:
            push(self.indent(doc))
            push('\n')
        return ''.join(results)

def docproperty(self, object, name=None, mod=None, cl=None):
        """Produce text documentation for a property."""
        return self._docdescriptor(name, object, mod)

def docdata(self, object, name=None, mod=None, cl=None):
        """Produce text documentation for a data descriptor."""
        return self._docdescriptor(name, object, mod)

def docother(self, object, name=None, mod=None, parent=None, maxlen=None, doc=None):
 """Produce text documentation for a data object."""
 repr = self.repr(object)
 if maxlen:
 line = (name and name + ' = ' or '') + repr
 chop = maxlen - len(line)
 if chop < 0: repr = repr[:chop] + '...'
 line = (name and self.bold(name) + ' = ' or '') + repr
 if doc is not None:
 line += '\n' + self.indent(str(doc))
 return line

# --------------------------------------------------------- user interfaces

def pager(text):
    """The first time this is called, determine what kind of pager to use."""
    global pager
    pager = getpager()
    pager(text)

def getpager():
 """Decide what method to use for paging through text."""
 if type(sys.stdout) is not types.FileType:
 return plainpager
 if not hasattr(sys.stdin, "isatty"):
 return plainpager
 if not sys.stdin.isatty() or not sys.stdout.isatty():
 return plainpager
 if 'PAGER' in os.environ:
 if sys.platform == 'win32': # pipes completely broken in Windows
 return lambda text: tempfilepager(plain(text), os.environ['PAGER'])
 elif os.environ.get('TERM') in ('dumb', 'emacs'):
 return lambda text: pipepager(plain(text), os.environ['PAGER'])
 else:
 return lambda text: pipepager(text, os.environ['PAGER'])
 if os.environ.get('TERM') in ('dumb', 'emacs'):
 return plainpager
 if sys.platform == 'win32' or sys.platform.startswith('os2'):
 return lambda text: tempfilepager(plain(text), 'more <')
 if hasattr(os, 'system') and os.system('(less) 2>/dev/null') == 0:
 return lambda text: pipepager(text, 'less')

import tempfile
    (fd, filename) = tempfile.mkstemp()
    os.close(fd)
    try:
        if hasattr(os, 'system') and os.system('more "%s"' % filename) == 0:
            return lambda text: pipepager(text, 'more')
        else:
            return ttypager
    finally:
        os.unlink(filename)

def plain(text):
    """Remove boldface formatting from text."""
    return re.sub('.\b', '', text)

def pipepager(text, cmd):
    """Page through text by feeding it to another program."""
    pipe = os.popen(cmd, 'w')
    try:
        pipe.write(_encode(text))
        pipe.close()
    except IOError:
        pass # Ignore broken pipes caused by quitting the pager program.

def tempfilepager(text, cmd):
    """Page through text by invoking a program on a temporary file."""
    import tempfile
    filename = tempfile.mktemp()
    file = open(filename, 'w')
    file.write(_encode(text))
    file.close()
    try:
        os.system(cmd + ' "' + filename + '"')
    finally:
        os.unlink(filename)

def ttypager(text):
    """Page through text on a text terminal."""
    lines = plain(_encode(plain(text), getattr(sys.stdout, 'encoding', _encoding))).split('\n')
    try:
        import tty
        fd = sys.stdin.fileno()
        old = tty.tcgetattr(fd)
        tty.setcbreak(fd)
        getchar = lambda: sys.stdin.read(1)
    except (ImportError, AttributeError):
        tty = None
        getchar = lambda: sys.stdin.readline()[:-1][:1]

try:
 try:
 h = int(os.environ.get('LINES', 0))
 except ValueError:
 h = 0
 if h <= 1:
 h = 25
 r = inc = h - 1
 sys.stdout.write(join(lines[:inc], '\n') + '\n')
 while lines[r:]:
 sys.stdout.write('-- more --')
 sys.stdout.flush()
 c = getchar()

if c in ('q', 'Q'):
 sys.stdout.write('\r \r')
 break
 elif c in ('\r', '\n'):
 sys.stdout.write('\r \r' + lines[r] + '\n')
 r = r + 1
 continue
 if c in ('b', 'B', '\x1b'):
 r = r - inc - inc
 if r < 0: r = 0
 sys.stdout.write('\n' + join(lines[r:r+inc], '\n') + '\n')
 r = r + inc

finally:
        if tty:
            tty.tcsetattr(fd, tty.TCSAFLUSH, old)

def plainpager(text):
    """Simply print unformatted text.  This is the ultimate fallback."""
    sys.stdout.write(_encode(plain(text), getattr(sys.stdout, 'encoding', _encoding)))

def describe(thing):
    """Produce a short description of the given thing."""
    if inspect.ismodule(thing):
        if thing.__name__ in sys.builtin_module_names:
            return 'built-in module ' + thing.__name__
        if hasattr(thing, '__path__'):
            return 'package ' + thing.__name__
        else:
            return 'module ' + thing.__name__
    if inspect.isbuiltin(thing):
        return 'built-in function ' + thing.__name__
    if inspect.isgetsetdescriptor(thing):
        return 'getset descriptor %s.%s.%s' % (
            thing.__objclass__.__module__, thing.__objclass__.__name__,
            thing.__name__)
    if inspect.ismemberdescriptor(thing):
        return 'member descriptor %s.%s.%s' % (
            thing.__objclass__.__module__, thing.__objclass__.__name__,
            thing.__name__)
    if inspect.isclass(thing):
        return 'class ' + thing.__name__
    if inspect.isfunction(thing):
        return 'function ' + thing.__name__
    if inspect.ismethod(thing):
        return 'method ' + thing.__name__
    if type(thing) is types.InstanceType:
        return 'instance of ' + thing.__class__.__name__
    return type(thing).__name__

def locate(path, forceload=0):
 """Locate an object by name or dotted path, importing as necessary."""
 parts = [part for part in split(path, '.') if part]
 module, n = None, 0
 while n < len(parts):
 nextmodule = safeimport(join(parts[:n+1], '.'), forceload)
 if nextmodule: module, n = nextmodule, n + 1
 else: break
 if module:
 object = module
 else:
 object = __builtin__
 for part in parts[n:]:
 try:
 object = getattr(object, part)
 except AttributeError:
 return None
 return object

# --------------------------------------- interactive interpreter interface

text = TextDoc()
html = HTMLDoc()

class _OldStyleClass: pass
_OLD_INSTANCE_TYPE = type(_OldStyleClass())

def resolve(thing, forceload=0):
    """Given an object or a path to an object, get the object and its name."""
    if isinstance(thing, str):
        object = locate(thing, forceload)
        if object is None:
            raise ImportError, 'no Python documentation found for %r' % thing
        return object, thing
    else:
        name = getattr(thing, '__name__', None)
        return thing, name if isinstance(name, str) else None

def render_doc(thing, title='Python Library Documentation: %s', forceload=0):
    """Render text documentation, given an object or a path to an object."""
    object, name = resolve(thing, forceload)
    desc = describe(object)
    module = inspect.getmodule(object)
    if name and '.' in name:
        desc += ' in ' + name[:name.rfind('.')]
    elif module and module is not object:
        desc += ' in module ' + module.__name__
    if type(object) is _OLD_INSTANCE_TYPE:
        # If the passed object is an instance of an old-style class,
        # document its available methods instead of its value.
        object = object.__class__
    elif not (inspect.ismodule(object) or
              inspect.isclass(object) or
              inspect.isroutine(object) or
              inspect.isgetsetdescriptor(object) or
              inspect.ismemberdescriptor(object) or
              isinstance(object, property)):
        # If the passed object is a piece of data or an instance,
        # document its available methods instead of its value.
        object = type(object)
        desc += ' object'
    return title % desc + '\n\n' + text.document(object, name)

def doc(thing, title='Python Library Documentation: %s', forceload=0):
    """Display text documentation, given an object or a path to an object."""
    try:
        pager(render_doc(thing, title, forceload))
    except (ImportError, ErrorDuringImport), value:
        print value

def writedoc(thing, forceload=0):
    """Write HTML documentation to a file in the current directory."""
    try:
        object, name = resolve(thing, forceload)
        page = html.page(describe(object), html.document(object, name))
        file = open(name + '.html', 'w')
        file.write(page)
        file.close()
        print 'wrote', name + '.html'
    except (ImportError, ErrorDuringImport), value:
        print value

def writedocs(dir, pkgpath='', done=None):
    """Write out HTML documentation for all modules in a directory tree."""
    if done is None: done = {}
    for importer, modname, ispkg in pkgutil.walk_packages([dir], pkgpath):
        writedoc(modname)
    return

class Helper:

# These dictionaries map a topic name to either an alias, or a tuple
    # (label, seealso-items).  The "label" is the label of the corresponding
    # section in the .rst file under Doc/ and an index into the dictionary
    # in pydoc_data/topics.py.
    #
    # CAUTION: if you change one of these dictionaries, be sure to adapt the
    #          list of needed labels in Doc/tools/pyspecific.py and
    #          regenerate the pydoc_data/topics.py file by running
    #              make pydoc-topics
    #          in Doc/ and copying the output file into the Lib/ directory.

keywords = {
 'and': 'BOOLEAN',
 'as': 'with',
 'assert': ('assert', ''),
 'break': ('break', 'while for'),
 'class': ('class', 'CLASSES SPECIALMETHODS'),
 'continue': ('continue', 'while for'),
 'def': ('function', ''),
 'del': ('del', 'BASICMETHODS'),
 'elif': 'if',
 'else': ('else', 'while for'),
 'except': 'try',
 'exec': ('exec', ''),
 'finally': 'try',
 'for': ('for', 'break continue while'),
 'from': 'import',
 'global': ('global', 'NAMESPACES'),
 'if': ('if', 'TRUTHVALUE'),
 'import': ('import', 'MODULES'),
 'in': ('in', 'SEQUENCEMETHODS2'),
 'is': 'COMPARISON',
 'lambda': ('lambda', 'FUNCTIONS'),
 'not': 'BOOLEAN',
 'or': 'BOOLEAN',
 'pass': ('pass', ''),
 'print': ('print', ''),
 'raise': ('raise', 'EXCEPTIONS'),
 'return': ('return', 'FUNCTIONS'),
 'try': ('try', 'EXCEPTIONS'),
 'while': ('while', 'break continue if TRUTHVALUE'),
 'with': ('with', 'CONTEXTMANAGERS EXCEPTIONS yield'),
 'yield': ('yield', ''),
 }
 # Either add symbols to this dictionary or to the symbols dictionary
 # directly: Whichever is easier. They are merged later.
 _strprefixes = tuple(p + q for p in ('b', 'r', 'u') for q in ("'", '"'))
 _symbols_inverse = {
 'STRINGS' : ("'", "'''", '"""', '"') + _strprefixes,
 'OPERATORS' : ('+', '-', '*', '**', '/', '//', '%', '<<', '>>', '&',
 '|', '^', '~', '<', '>', '<=', '>=', '==', '!=', '<>'),
 'COMPARISON' : ('<', '>', '<=', '>=', '==', '!=', '<>'),
 'UNARY' : ('-', '~'),
 'AUGMENTEDASSIGNMENT' : ('+=', '-=', '*=', '/=', '%=', '&=', '|=',
 '^=', '<<=', '>>=', '**=', '//='),
 'BITWISE' : ('<<', '>>', '&', '|', '^', '~'),
 'COMPLEX' : ('j', 'J')
 }
 symbols = {
 '%': 'OPERATORS FORMATTING',
 '**': 'POWER',
 ',': 'TUPLES LISTS FUNCTIONS',
 '.': 'ATTRIBUTES FLOAT MODULES OBJECTS',
 '...': 'ELLIPSIS',
 ':': 'SLICINGS DICTIONARYLITERALS',
 '@': 'def class',
 '\\': 'STRINGS',
 '_': 'PRIVATENAMES',
 '__': 'PRIVATENAMES SPECIALMETHODS',
 '`': 'BACKQUOTES',
 '(': 'TUPLES FUNCTIONS CALLS',
 ')': 'TUPLES FUNCTIONS CALLS',
 '[': 'LISTS SUBSCRIPTS SLICINGS',
 ']': 'LISTS SUBSCRIPTS SLICINGS'
 }
 for topic, symbols_ in _symbols_inverse.iteritems():
 for symbol in symbols_:
 topics = symbols.get(symbol, topic)
 if topic not in topics:
 topics = topics + ' ' + topic
 symbols[symbol] = topics

topics = {
        'TYPES': ('types', 'STRINGS UNICODE NUMBERS SEQUENCES MAPPINGS '
                  'FUNCTIONS CLASSES MODULES FILES inspect'),
        'STRINGS': ('strings', 'str UNICODE SEQUENCES STRINGMETHODS FORMATTING '
                    'TYPES'),
        'STRINGMETHODS': ('string-methods', 'STRINGS FORMATTING'),
        'FORMATTING': ('formatstrings', 'OPERATORS'),
        'UNICODE': ('strings', 'encodings unicode SEQUENCES STRINGMETHODS '
                    'FORMATTING TYPES'),
        'NUMBERS': ('numbers', 'INTEGER FLOAT COMPLEX TYPES'),
        'INTEGER': ('integers', 'int range'),
        'FLOAT': ('floating', 'float math'),
        'COMPLEX': ('imaginary', 'complex cmath'),
        'SEQUENCES': ('typesseq', 'STRINGMETHODS FORMATTING xrange LISTS'),
        'MAPPINGS': 'DICTIONARIES',
        'FUNCTIONS': ('typesfunctions', 'def TYPES'),
        'METHODS': ('typesmethods', 'class def CLASSES TYPES'),
        'CODEOBJECTS': ('bltin-code-objects', 'compile FUNCTIONS TYPES'),
        'TYPEOBJECTS': ('bltin-type-objects', 'types TYPES'),
        'FRAMEOBJECTS': 'TYPES',
        'TRACEBACKS': 'TYPES',
        'NONE': ('bltin-null-object', ''),
        'ELLIPSIS': ('bltin-ellipsis-object', 'SLICINGS'),
        'FILES': ('bltin-file-objects', ''),
        'SPECIALATTRIBUTES': ('specialattrs', ''),
        'CLASSES': ('types', 'class SPECIALMETHODS PRIVATENAMES'),
        'MODULES': ('typesmodules', 'import'),
        'PACKAGES': 'import',
        'EXPRESSIONS': ('operator-summary', 'lambda or and not in is BOOLEAN '
                        'COMPARISON BITWISE SHIFTING BINARY FORMATTING POWER '
                        'UNARY ATTRIBUTES SUBSCRIPTS SLICINGS CALLS TUPLES '
                        'LISTS DICTIONARIES BACKQUOTES'),
        'OPERATORS': 'EXPRESSIONS',
        'PRECEDENCE': 'EXPRESSIONS',
        'OBJECTS': ('objects', 'TYPES'),
        'SPECIALMETHODS': ('specialnames', 'BASICMETHODS ATTRIBUTEMETHODS '
                           'CALLABLEMETHODS SEQUENCEMETHODS1 MAPPINGMETHODS '
                           'SEQUENCEMETHODS2 NUMBERMETHODS CLASSES'),
        'BASICMETHODS': ('customization', 'cmp hash repr str SPECIALMETHODS'),
        'ATTRIBUTEMETHODS': ('attribute-access', 'ATTRIBUTES SPECIALMETHODS'),
        'CALLABLEMETHODS': ('callable-types', 'CALLS SPECIALMETHODS'),
        'SEQUENCEMETHODS1': ('sequence-types', 'SEQUENCES SEQUENCEMETHODS2 '
                             'SPECIALMETHODS'),
        'SEQUENCEMETHODS2': ('sequence-methods', 'SEQUENCES SEQUENCEMETHODS1 '
                             'SPECIALMETHODS'),
        'MAPPINGMETHODS': ('sequence-types', 'MAPPINGS SPECIALMETHODS'),
        'NUMBERMETHODS': ('numeric-types', 'NUMBERS AUGMENTEDASSIGNMENT '
                          'SPECIALMETHODS'),
        'EXECUTION': ('execmodel', 'NAMESPACES DYNAMICFEATURES EXCEPTIONS'),
        'NAMESPACES': ('naming', 'global ASSIGNMENT DELETION DYNAMICFEATURES'),
        'DYNAMICFEATURES': ('dynamic-features', ''),
        'SCOPING': 'NAMESPACES',
        'FRAMES': 'NAMESPACES',
        'EXCEPTIONS': ('exceptions', 'try except finally raise'),
        'COERCIONS': ('coercion-rules','CONVERSIONS'),
        'CONVERSIONS': ('conversions', 'COERCIONS'),
        'IDENTIFIERS': ('identifiers', 'keywords SPECIALIDENTIFIERS'),
        'SPECIALIDENTIFIERS': ('id-classes', ''),
        'PRIVATENAMES': ('atom-identifiers', ''),
        'LITERALS': ('atom-literals', 'STRINGS BACKQUOTES NUMBERS '
                     'TUPLELITERALS LISTLITERALS DICTIONARYLITERALS'),
        'TUPLES': 'SEQUENCES',
        'TUPLELITERALS': ('exprlists', 'TUPLES LITERALS'),
        'LISTS': ('typesseq-mutable', 'LISTLITERALS'),
        'LISTLITERALS': ('lists', 'LISTS LITERALS'),
        'DICTIONARIES': ('typesmapping', 'DICTIONARYLITERALS'),
        'DICTIONARYLITERALS': ('dict', 'DICTIONARIES LITERALS'),
        'BACKQUOTES': ('string-conversions', 'repr str STRINGS LITERALS'),
        'ATTRIBUTES': ('attribute-references', 'getattr hasattr setattr '
                       'ATTRIBUTEMETHODS'),
        'SUBSCRIPTS': ('subscriptions', 'SEQUENCEMETHODS1'),
        'SLICINGS': ('slicings', 'SEQUENCEMETHODS2'),
        'CALLS': ('calls', 'EXPRESSIONS'),
        'POWER': ('power', 'EXPRESSIONS'),
        'UNARY': ('unary', 'EXPRESSIONS'),
        'BINARY': ('binary', 'EXPRESSIONS'),
        'SHIFTING': ('shifting', 'EXPRESSIONS'),
        'BITWISE': ('bitwise', 'EXPRESSIONS'),
        'COMPARISON': ('comparisons', 'EXPRESSIONS BASICMETHODS'),
        'BOOLEAN': ('booleans', 'EXPRESSIONS TRUTHVALUE'),
        'ASSERTION': 'assert',
        'ASSIGNMENT': ('assignment', 'AUGMENTEDASSIGNMENT'),
        'AUGMENTEDASSIGNMENT': ('augassign', 'NUMBERMETHODS'),
        'DELETION': 'del',
        'PRINTING': 'print',
        'RETURNING': 'return',
        'IMPORTING': 'import',
        'CONDITIONAL': 'if',
        'LOOPING': ('compound', 'for while break continue'),
        'TRUTHVALUE': ('truth', 'if while and or not BASICMETHODS'),
        'DEBUGGING': ('debugger', 'pdb'),
        'CONTEXTMANAGERS': ('context-managers', 'with'),
    }

def __init__(self, input=None, output=None):
        self._input = input
        self._output = output

input  = property(lambda self: self._input or sys.stdin)
    output = property(lambda self: self._output or sys.stdout)

def __repr__(self):
 if inspect.stack()[1][3] == '?':
 self()
 return ''
 return '<pydoc.Helper instance>'

_GoInteractive = object()
    def __call__(self, request=_GoInteractive):
        if request is not self._GoInteractive:
            self.help(request)
        else:
            self.intro()
            self.interact()
            self.output.write('''
You are now leaving help and returning to the Python interpreter.
If you want to ask for help on a particular object directly from the
interpreter, you can type "help(object)".  Executing "help('string')"
has the same effect as typing a particular string at the help> prompt.
''')

def interact(self):
        self.output.write('\n')
        while True:
            try:
                request = self.getline('help> ')
                if not request: break
            except (KeyboardInterrupt, EOFError):
                break
            request = strip(request)
            # Make sure significant trailing quotation marks of literals don't
            # get deleted while cleaning input
            if (len(request) > 2 and request[0] == request[-1] in ("'", '"')
                    and request[0] not in request[1:-1]):
                request = request[1:-1]
            if lower(request) in ('q', 'quit'): break
            self.help(request)

def getline(self, prompt):
        """Read one line, using raw_input when available."""
        if self.input is sys.stdin:
            return raw_input(prompt)
        else:
            self.output.write(prompt)
            self.output.flush()
            return self.input.readline()

def help(self, request):
        if type(request) is type(''):
            request = request.strip()
            if request == 'help': self.intro()
            elif request == 'keywords': self.listkeywords()
            elif request == 'symbols': self.listsymbols()
            elif request == 'topics': self.listtopics()
            elif request == 'modules': self.listmodules()
            elif request[:8] == 'modules ':
                self.listmodules(split(request)[1])
            elif request in self.symbols: self.showsymbol(request)
            elif request in self.keywords: self.showtopic(request)
            elif request in self.topics: self.showtopic(request)
            elif request: doc(request, 'Help on %s:')
        elif isinstance(request, Helper): self()
        else: doc(request, 'Help on %s:')
        self.output.write('\n')

def intro(self):
        self.output.write('''
Welcome to Python %s!  This is the online help utility.

If this is your first time using Python, you should definitely check out
the tutorial on the Internet at http://docs.python.org/%s/tutorial/.

Enter the name of any module, keyword, or topic to get help on writing
Python programs and using Python modules.  To quit this help utility and
return to the interpreter, just type "quit".

To get a list of available modules, keywords, or topics, type "modules",
"keywords", or "topics".  Each module also comes with a one-line summary
of what it does; to list the modules whose summaries contain a given word
such as "spam", type "modules spam".
''' % tuple([sys.version[:3]]*2))

def list(self, items, columns=4, width=80):
 items = items[:]
 items.sort()
 colw = width / columns
 rows = (len(items) + columns - 1) / columns
 for row in range(rows):
 for col in range(columns):
 i = col * rows + row
 if i < len(items):
 self.output.write(items[i])
 if col < columns - 1:
 self.output.write(' ' + ' ' * (colw-1 - len(items[i])))
 self.output.write('\n')

def listkeywords(self):
        self.output.write('''
Here is a list of the Python keywords.  Enter any keyword to get more help.

''')
        self.list(self.keywords.keys())

def listsymbols(self):
        self.output.write('''
Here is a list of the punctuation symbols which Python assigns special meaning
to. Enter any symbol to get more help.

''')
        self.list(self.symbols.keys())

def listtopics(self):
        self.output.write('''
Here is a list of available topics.  Enter any topic name to get more help.

''')
        self.list(self.topics.keys())

def showtopic(self, topic, more_xrefs=''):
        try:
            import pydoc_data.topics
        except ImportError:
            self.output.write('''
Sorry, topic and keyword documentation is not available because the
module "pydoc_data.topics" could not be found.
''')
            return
        target = self.topics.get(topic, self.keywords.get(topic))
        if not target:
            self.output.write('no documentation found for %s\n' % repr(topic))
            return
        if type(target) is type(''):
            return self.showtopic(target, more_xrefs)

label, xrefs = target
        try:
            doc = pydoc_data.topics.topics[label]
        except KeyError:
            self.output.write('no documentation found for %s\n' % repr(topic))
            return
        pager(strip(doc) + '\n')
        if more_xrefs:
            xrefs = (xrefs or '') + ' ' + more_xrefs
        if xrefs:
            import StringIO, formatter
            buffer = StringIO.StringIO()
            formatter.DumbWriter(buffer).send_flowing_data(
                'Related help topics: ' + join(split(xrefs), ', ') + '\n')
            self.output.write('\n%s\n' % buffer.getvalue())

def showsymbol(self, symbol):
        target = self.symbols[symbol]
        topic, _, xrefs = target.partition(' ')
        self.showtopic(topic, xrefs)

def listmodules(self, key=''):
        if key:
            self.output.write('''
Here is a list of matching modules.  Enter any module name to get more help.

''')
            apropos(key)
        else:
            self.output.write('''
Please wait a moment while I gather a list of all available modules...

''')
 modules = {}
 def callback(path, modname, desc, modules=modules):
 if modname and modname[-9:] == '.__init__':
 modname = modname[:-9] + ' (package)'
 if find(modname, '.') < 0:
 modules[modname] = 1
 def onerror(modname):
 callback(None, modname, None)
 ModuleScanner().run(callback, onerror=onerror)
 self.list(modules.keys())
 self.output.write('''
Enter any module name to get more help. Or, type "modules spam" to search
for modules whose descriptions contain the word "spam".
''')

help = Helper()

class Scanner:
    """A generic tree iterator."""
    def __init__(self, roots, children, descendp):
        self.roots = roots[:]
        self.state = []
        self.children = children
        self.descendp = descendp

def next(self):
        if not self.state:
            if not self.roots:
                return None
            root = self.roots.pop(0)
            self.state = [(root, self.children(root))]
        node, children = self.state[-1]
        if not children:
            self.state.pop()
            return self.next()
        child = children.pop(0)
        if self.descendp(child):
            self.state.append((child, self.children(child)))
        return child

class ModuleScanner:
    """An interruptible scanner that searches module synopses."""

def run(self, callback, key=None, completer=None, onerror=None):
        if key: key = lower(key)
        self.quit = False
        seen = {}

for modname in sys.builtin_module_names:
            if modname != '__main__':
                seen[modname] = 1
                if key is None:
                    callback(None, modname, '')
                else:
                    desc = split(__import__(modname).__doc__ or '', '\n')[0]
                    if find(lower(modname + ' - ' + desc), key) >= 0:
                        callback(None, modname, desc)

for importer, modname, ispkg in pkgutil.walk_packages(onerror=onerror):
            if self.quit:
                break
            if key is None:
                callback(None, modname, '')
            else:
                loader = importer.find_module(modname)
                if hasattr(loader,'get_source'):
                    import StringIO
                    desc = source_synopsis(
                        StringIO.StringIO(loader.get_source(modname))
                    ) or ''
                    if hasattr(loader,'get_filename'):
                        path = loader.get_filename(modname)
                    else:
                        path = None
                else:
                    module = loader.load_module(modname)
                    desc = module.__doc__.splitlines()[0] if module.__doc__ else ''
                    path = getattr(module,'__file__',None)
                if find(lower(modname + ' - ' + desc), key) >= 0:
                    callback(path, modname, desc)

if completer:
            completer()

def apropos(key):
    """Print all the one-line module summaries that contain a substring."""
    def callback(path, modname, desc):
        if modname[-9:] == '.__init__':
            modname = modname[:-9] + ' (package)'
        print modname, desc and '- ' + desc
    def onerror(modname):
        pass
    with warnings.catch_warnings():
        warnings.filterwarnings('ignore') # ignore problems during import
        ModuleScanner().run(callback, key, onerror=onerror)

# --------------------------------------------------- web browser interface

def serve(port, callback=None, completer=None):
    import BaseHTTPServer, mimetools, select

# Patch up mimetools.Message so it doesn't break if rfc822 is reloaded.
    class Message(mimetools.Message):
        def __init__(self, fp, seekable=1):
            Message = self.__class__
            Message.__bases__[0].__bases__[0].__init__(self, fp, seekable)
            self.encodingheader = self.getheader('content-transfer-encoding')
            self.typeheader = self.getheader('content-type')
            self.parsetype()
            self.parseplist()

class DocHandler(BaseHTTPServer.BaseHTTPRequestHandler):
        def send_document(self, title, contents):
            try:
                self.send_response(200)
                self.send_header('Content-Type', 'text/html')
                self.end_headers()
                self.wfile.write(html.page(title, contents))
            except IOError: pass

def do_GET(self):
 path = self.path
 if path[-5:] == '.html': path = path[:-5]
 if path[:1] == '/': path = path[1:]
 if path and path != '.':
 try:
 obj = locate(path, forceload=1)
 except ErrorDuringImport, value:
 self.send_document(path, html.escape(str(value)))
 return
 if obj:
 self.send_document(describe(obj), html.document(obj, path))
 else:
 self.send_document(path,
'no Python documentation found for %s' % repr(path))
 else:
 heading = html.heading(
'<big><big>Python: Index of Modules</big></big>',
'#ffffff', '#7799ee')
 def bltinlink(name):
 return '<a href="%s.html">%s</a>' % (name, name)
 names = filter(lambda x: x != '__main__',
 sys.builtin_module_names)
 contents = html.multicolumn(names, bltinlink)
 indices = ['' + html.bigsection(
 'Built-in Modules', '#ffffff', '#ee77aa', contents)]

seen = {}
 for dir in sys.path:
 indices.append(html.index(dir, seen))
 contents = heading + join(indices) + '''

pydoc by Ka-Ping Yee &lt;ping@lfw.org&gt;'''
 self.send_document('Index of Modules', contents)

def log_message(self, *args): pass

class DocServer(BaseHTTPServer.HTTPServer):
        def __init__(self, port, callback):
            host = 'localhost'
            self.address = (host, port)
            self.callback = callback
            self.base.__init__(self, self.address, self.handler)

def serve_until_quit(self):
            import select
            self.quit = False
            while not self.quit:
                rd, wr, ex = select.select([self.socket.fileno()], [], [], 1)
                if rd: self.handle_request()

def server_activate(self):
            self.base.server_activate(self)
            self.url = 'http://%s:%d/' % (self.address[0], self.server_port)
            if self.callback: self.callback(self)

DocServer.base = BaseHTTPServer.HTTPServer
    DocServer.handler = DocHandler
    DocHandler.MessageClass = Message
    try:
        try:
            DocServer(port, callback).serve_until_quit()
        except (KeyboardInterrupt, select.error):
            pass
    finally:
        if completer: completer()

# ----------------------------------------------------- graphical interface

def gui():
    """Graphical interface (starts web server and pops up a control window)."""
    class GUI:
        def __init__(self, window, port=7464):
            self.window = window
            self.server = None
            self.scanner = None

import Tkinter
            self.server_frm = Tkinter.Frame(window)
            self.title_lbl = Tkinter.Label(self.server_frm,
                text='Starting server...\n ')
            self.open_btn = Tkinter.Button(self.server_frm,
                text='open browser', command=self.open, state='disabled')
            self.quit_btn = Tkinter.Button(self.server_frm,
                text='quit serving', command=self.quit, state='disabled')

self.search_frm = Tkinter.Frame(window)
 self.search_lbl = Tkinter.Label(self.search_frm, text='Search for')
 self.search_ent = Tkinter.Entry(self.search_frm)
 self.search_ent.bind('<Return>', self.search)
 self.stop_btn = Tkinter.Button(self.search_frm,
 text='stop', pady=0, command=self.stop, state='disabled')
 if sys.platform == 'win32':
 # Trying to hide and show this button crashes under Windows.
 self.stop_btn.pack(side='right')

self.window.title('pydoc')
            self.window.protocol('WM_DELETE_WINDOW', self.quit)
            self.title_lbl.pack(side='top', fill='x')
            self.open_btn.pack(side='left', fill='x', expand=1)
            self.quit_btn.pack(side='right', fill='x', expand=1)
            self.server_frm.pack(side='top', fill='x')

self.search_lbl.pack(side='left')
            self.search_ent.pack(side='right', fill='x', expand=1)
            self.search_frm.pack(side='top', fill='x')
            self.search_ent.focus_set()

font = ('helvetica', sys.platform == 'win32' and 8 or 10)
 self.result_lst = Tkinter.Listbox(window, font=font, height=6)
 self.result_lst.bind('<Button-1>', self.select)
 self.result_lst.bind('<Double-Button-1>', self.goto)
 self.result_scr = Tkinter.Scrollbar(window,
 orient='vertical', command=self.result_lst.yview)
 self.result_lst.config(yscrollcommand=self.result_scr.set)

self.result_frm = Tkinter.Frame(window)
            self.goto_btn = Tkinter.Button(self.result_frm,
                text='go to selected', command=self.goto)
            self.hide_btn = Tkinter.Button(self.result_frm,
                text='hide results', command=self.hide)
            self.goto_btn.pack(side='left', fill='x', expand=1)
            self.hide_btn.pack(side='right', fill='x', expand=1)

self.window.update()
            self.minwidth = self.window.winfo_width()
            self.minheight = self.window.winfo_height()
            self.bigminheight = (self.server_frm.winfo_reqheight() +
                                 self.search_frm.winfo_reqheight() +
                                 self.result_lst.winfo_reqheight() +
                                 self.result_frm.winfo_reqheight())
            self.bigwidth, self.bigheight = self.minwidth, self.bigminheight
            self.expanded = 0
            self.window.wm_geometry('%dx%d' % (self.minwidth, self.minheight))
            self.window.wm_minsize(self.minwidth, self.minheight)
            self.window.tk.willdispatch()

import threading
            threading.Thread(
                target=serve, args=(port, self.ready, self.quit)).start()

def ready(self, server):
            self.server = server
            self.title_lbl.config(
                text='Python documentation server at\n' + server.url)
            self.open_btn.config(state='normal')
            self.quit_btn.config(state='normal')

def open(self, event=None, url=None):
            url = url or self.server.url
            try:
                import webbrowser
                webbrowser.open(url)
            except ImportError: # pre-webbrowser.py compatibility
                if sys.platform == 'win32':
                    os.system('start "%s"' % url)
                else:
                    rc = os.system('netscape -remote "openURL(%s)" &' % url)
                    if rc: os.system('netscape "%s" &' % url)

def quit(self, event=None):
            if self.server:
                self.server.quit = 1
            self.window.quit()

def search(self, event=None):
            key = self.search_ent.get()
            self.stop_btn.pack(side='right')
            self.stop_btn.config(state='normal')
            self.search_lbl.config(text='Searching for "%s"...' % key)
            self.search_ent.forget()
            self.search_lbl.pack(side='left')
            self.result_lst.delete(0, 'end')
            self.goto_btn.config(state='disabled')
            self.expand()

import threading
            if self.scanner:
                self.scanner.quit = 1
            self.scanner = ModuleScanner()
            def onerror(modname):
                pass
            threading.Thread(target=self.scanner.run,
                             args=(self.update, key, self.done),
                             kwargs=dict(onerror=onerror)).start()

def update(self, path, modname, desc):
            if modname[-9:] == '.__init__':
                modname = modname[:-9] + ' (package)'
            self.result_lst.insert('end',
                modname + ' - ' + (desc or '(no description)'))

def stop(self, event=None):
            if self.scanner:
                self.scanner.quit = 1
                self.scanner = None

def done(self):
            self.scanner = None
            self.search_lbl.config(text='Search for')
            self.search_lbl.pack(side='left')
            self.search_ent.pack(side='right', fill='x', expand=1)
            if sys.platform != 'win32': self.stop_btn.forget()
            self.stop_btn.config(state='disabled')

def select(self, event=None):
            self.goto_btn.config(state='normal')

def goto(self, event=None):
            selection = self.result_lst.curselection()
            if selection:
                modname = split(self.result_lst.get(selection[0]))[0]
                self.open(url=self.server.url + modname + '.html')

def collapse(self):
            if not self.expanded: return
            self.result_frm.forget()
            self.result_scr.forget()
            self.result_lst.forget()
            self.bigwidth = self.window.winfo_width()
            self.bigheight = self.window.winfo_height()
            self.window.wm_geometry('%dx%d' % (self.minwidth, self.minheight))
            self.window.wm_minsize(self.minwidth, self.minheight)
            self.expanded = 0

def expand(self):
            if self.expanded: return
            self.result_frm.pack(side='bottom', fill='x')
            self.result_scr.pack(side='right', fill='y')
            self.result_lst.pack(side='top', fill='both', expand=1)
            self.window.wm_geometry('%dx%d' % (self.bigwidth, self.bigheight))
            self.window.wm_minsize(self.minwidth, self.bigminheight)
            self.expanded = 1

def hide(self, event=None):
            self.stop()
            self.collapse()

import Tkinter
    try:
        root = Tkinter.Tk()
        # Tk will crash if pythonw.exe has an XP .manifest
        # file and the root has is not destroyed explicitly.
        # If the problem is ever fixed in Tk, the explicit
        # destroy can go.
        try:
            gui = GUI(root)
            root.mainloop()
        finally:
            root.destroy()
    except KeyboardInterrupt:
        pass

# -------------------------------------------------- command-line interface

def ispath(x):
    return isinstance(x, str) and find(x, os.sep) >= 0

def cli():
    """Command-line interface (looks at sys.argv to decide what to do)."""
    import getopt
    class BadUsage: pass

# Scripts don't get the current directory in their path by default
    # unless they are run with the '-m' switch
    if '' not in sys.path:
        scriptdir = os.path.dirname(sys.argv[0])
        if scriptdir in sys.path:
            sys.path.remove(scriptdir)
        sys.path.insert(0, '.')

try:
        opts, args = getopt.getopt(sys.argv[1:], 'gk:p:w')
        writing = 0

for opt, val in opts:
            if opt == '-k':
                apropos(val)
                return
            if opt == '-p':
                try:
                    port = int(val)
                except ValueError:
                    raise BadUsage
                def ready(server):
                    print 'pydoc server ready at %s' % server.url
                def stopped():
                    print 'pydoc server stopped'
                serve(port, ready, stopped)
                return
            if opt == '-w':
                writing = 1

if not args: raise BadUsage
        for arg in args:
            if ispath(arg) and not os.path.exists(arg):
                print 'file %r does not exist' % arg
                break
            try:
                if ispath(arg) and os.path.isfile(arg):
                    arg = importfile(arg)
                if writing:
                    if ispath(arg) and os.path.isdir(arg):
                        writedocs(arg)
                    else:
                        writedoc(arg)
                else:
                    help.help(arg)
            except ErrorDuringImport, value:
                print value

except (getopt.error, BadUsage):
        cmd = os.path.basename(sys.argv[0])
        print """pydoc - the Python documentation tool

%s <name> ...
 Show text documentation on something. <name> may be the name of a
 Python keyword, topic, function, module, or package, or a dotted
 reference to a class or function within a module or module in a
 package. If <name> contains a '%s', it is used as the path to a
 Python source file to document. If name is 'keywords', 'topics',
 or 'modules', a listing of these things is displayed.

%s -k <keyword>
 Search for a keyword in the synopsis lines of all available modules.

%s -p <port>
 Start an HTTP server on the given port on the local machine. Port
 number 0 can be used to get an arbitrary unused port.

%s -w <name> ...
 Write out the HTML documentation for a module to a file in the current
 directory. If <name> contains a '%s', it is treated as a filename; if
 it names a directory, documentation is written for all the contents.
""" % (cmd, os.sep, cmd, cmd, cmd, os.sep)

if __name__ == '__main__': cli()

cmd: