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At the Python interactive prompt, calling help(thing) on a Python object documents the object, and calling help() starts up an interactive help session. 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 the given port on the local machine. Port number 0 can be used to get an arbitrary unused port. Run "pydoc -b" to start an HTTP server on an arbitrary unused port and open a Web browser to interactively browse documentation. The -p option can be used with the -b option to explicitly specify the server port. 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)r> r( rH rB rx rM r" r r r rQ � s zHTMLDoc._docdescriptorc C s | j | | | � S)z*Produce html documentation for a property.)rQ )r> r r( rB rE r r r r� � s zHTMLDoc.docpropertyc G s' | r d | p d } | | j | � S)z-Produce HTML documentation for a data object.z<strong>%s</strong> = r )r� )r> r r( rB rC Zlhsr r r r� � s zHTMLDoc.docotherc C s | j | | | � S)z1Produce html documentation for a data descriptor.)rQ )r> r r( rB rE r r r r� � s zHTMLDoc.docdatac C s� g } | d k r i } n xk t j | g � D]W \ } } } t d d � | D� � r\ q. n | j | d | | | k f � d | | <q. W| j � | j | | j � } | j | d d | � S)z2Generate an HTML index for a directory of modules.Nc s s1 | ]' } d t | � k o& d k n Vq d S)i � i�� N)�ord)r� �chr r r � <genexpr>� s z HTMLDoc.index.<locals>.<genexpr>r r z#ffffffz#ee77aa)r> r? �anyr r@ r r r )r> r r rH rI r( rJ r r r r �index� s " z HTMLDoc.index) r% r& r[ rU r� �_repr_instancer� r� r r r r r r r r r r r r r* r, r� r� ri r� rQ r� r� r� rv r r r r r� � s: +y� ; r� c @ sL e Z d Z d Z d d � Z d d � Z d d � Z e Z d d � Z d S) �TextReprzAClass for safely making a text representation of a Python object.c C s: t j | � d | _ | _ d | _ d | _ | _ d S)Nr� r� r� )r r~ r� r� r� r� r� )r> r r r r~ � s zTextRepr.__init__c C s{ t t | � d � r_ d d j t | � j j � � } t | | � r_ t | | � | | � Sn t t t | � � | j � S)Nr% r� r_ ) rs r� r! r% r r< r3 r5 r� r� )r> rN r� r� r r r r� � s "zTextRepr.repr1c C s^ t | | j � } t | � } d | k rZ d t | d d � k rZ d | d | | d S| S)Nr� z\\r r� r )r3 r� r� r/ )r> rN r� r� r� r r r r� s $zTextRepr.repr_stringc C s= y t t t | � � | j � SWn d | j j SYn Xd S)Nz <%s instance>)r3 r5 r� r� r� r% )r> rN r� r r r r� s zTextRepr.repr_instanceN) r% r& r[ rU r~ r� r� r� r� r r r r rx � s rx c @ s� e Z d Z d Z e � Z e j Z d d � Z d d d � Z d d � Z d d d d � Z d d d d � Z d d d d � Z d d � Z d d d d d � Z d d � Z d d d d d � Z d d d d d � Z d d d d d d d � Z d S) �TextDocz'Formatter class for text documentation.c C s d j d d � | D� � S)z(Format a string in bold by overstriking.r c s s | ] } | d | Vq d S)�Nr )r� rs r r r rt s z TextDoc.bold.<locals>.<genexpr>)r! )r> r. r r r �bold s z TextDoc.boldz c sV | s d S� f d d � | j d � D� } | rI | d j � | d <n d j | � S)z6Indent text by prepending a given prefix to each line.r c s g | ] } � | � q Sr r )r� r� )�prefixr r r� $ s z"TextDoc.indent.<locals>.<listcomp>r r r� r� )r r r! )r> r. r| r# r )r| r �indent! s " zTextDoc.indentc C s. | j | � j � } | j | � d | d S)z&Format a section with a given heading.r z )r} r r{ )r> r� r Zclean_contentsr r r r ( s zTextDoc.sectionNr c s� d } x� | D]� } t | � t f � k r� | \ } } | | t | � � } | r� | | f k r� � f d d � | D� } | d d j | � } n | d } q t | � t g � k r | | j | � | | d � } q q W| S)zBRender in text a class tree as returned by inspect.getclasstree().r c 3 s | ] } t | � � Vq d S)N)r) )r� r0 )r' r r rt 7 s z%TextDoc.formattree.<locals>.<genexpr>z(%s)z, r z )r� r) r! r, ) r> r- r' r. r| r r/ r0 r1 r2 r )r' r r, / s zTextDoc.formattreec C s� | j } t t | � � \ } } | j d | | o: d | � } t | d d � } | j | � } | d k r� | | j d | d � } n | r� | | j d | � } n g } xu t j | t j � D]^ \ } } | d k s� t j | � p� | | k r� t | | | � r$| j | | f � q$q� q� Wg } x~ t j | t j � D]g \ } } | d k s�t j | � s�t j | � | k rDt | | | � r�| j | | f � q�qDqDWg } xH t j | t � D]4 \ } } t | | | � r�| j | | f � q�q�Wg } t � } t | d � r�xW t j | j � D]C \ } } } | j | � | rg| j | d � q1| j | � q1W| j � | | j d d j | � � } n g } xU t j | t j � D]> \ } } | j j | d � r�| | k r�| j | � q�q�W| r4| j � | | j d d j | � � } n | r�d d � | D� } | j t j | d � | � g } x0 | D]( \ } } | j | j | | | � � quW| | j d d j | � � } n | r$g } x0 | D]( \ } } | j | j | | | � � q�W| | j d d j | � � } n | r�g } x6 | D]. \ } } | j | j | | | d d �� q7W| | j d d j | � � } n t | d � rt | j � } | d d � d# k r�| d$ d � d k r�| d d% � j � } n | | j d | � } n t | d � r8| | j d t | j � � } n t | d � ri| | j d t | j! � � } n t | d � r�| | j d t | j" � � } n y t j# | � } Wn t$ k r�d! } Yn X| | j d" | � } | S)&z5Produce text documentation for a given module object.�NAMEz - r8 NzMODULE REFERENCEa. The following documentation is automatically generated from the Python source files. It may be incomplete, incorrect or include features that are considered implementation detail and may vary between Python implementations. When in doubt, consult the module reference at the location listed above. Z DESCRIPTIONrZ z (package)zPACKAGE CONTENTSr r Z SUBMODULESc S s g | ] \ } } | � q Sr r )r� rG rH r r r r� s z%TextDoc.docmodule.<locals>.<listcomp>r �CLASSES� FUNCTIONSr2 �F ZDATAr] r3 r4 z Revision: �VERSIONrT ZDATErP ZAUTHORrS ZCREDITSz (built-in)ZFILEz $Revision: r� r� )%r% r$ r r r< r� r r@ r+ r= ru r r, r8 r- �setrs r> r? rZ �addr@ r! r* rq r, rA r� r� r; r] r rT rP rS r� r� )r> r r( rB Zsynop�descr rt r� r# rG rH r" rG rH Z modpkgs_namesrI r' rJ Z submodulesrK r rF r� r r r r� ? s� " " $ " "" " "&",""" zTextDoc.docmodulec sE � j } | p | } � j } � j d d � } | | k rR d � j | � } n � j | � d | } | r� t | | � } | d d j | � } n t � � } | r� | d g p� g } | j � t t j � � � } t | � d k r)� d � x" | D] } � d | | � � q� W� d � n G� f d d � d � } | � � � � � � � f d d � } � � � � f d d � } � � � � � f d d � } � f d d � t � � D� } xB| r| r�| j � � n | d d � t | � f d d � � \ } } � t j k r)| } q�n+ � � k r>d } n d t � � j � } | j � | d | | d d � � } | d | | d d � � } | d | | d d � � } | d! | | d" d � � } | d# | | d$ d � � } | g k s�t � | } q�Wd j | � } | s#| d S| d � j | j � d% � d S)&z4Produce text documentation for a given class object.c S s t | | � S)N)r) )r0 r� r r r �makename� s z"TextDoc.docclass.<locals>.makenamezclass z = class z(%s)z, r r zMethod resolution order:z r c s. e Z d Z d d � Z � f d d � Z d S)z(TextDoc.docclass.<locals>.HorizontalRulec S s d | _ d S)Nr )rL )r> r r r r~ � s z1TextDoc.docclass.<locals>.HorizontalRule.__init__c s' | j r � d d � n d | _ d S)Nr\ r� r )rL )r> )rM r r rN � s z.TextDoc.docclass.<locals>.HorizontalRule.maybeN)r% r& r[ r~ rN r )rM r r rO � s rO c s� t | | � \ } } | r� � j � � | � xz | D]o \ } } } } y t � | � } Wn+ t k r� � � j | | � � � Yq6 X� � j | | � � � � q6 Wn | S)N)rO rN r< rP rQ r� )rR rS rK rT r( ry rU rH )rV rB r rM r> r r rX � s z TextDoc.docclass.<locals>.spillc sl t | | � \ } } | rh � j � � | � x6 | D]+ \ } } } } � � j | | � � � q6 Wn | S)N)rO rN rQ )rR rS rK rT r( ry rU rH )rV rB rM r> r r rY � s z*TextDoc.docclass.<locals>.spilldescriptorsc s� t | | � \ } } | r� � j � � | � x� | D]� \ } } } } t | � sc t j | � rr t | � } n d } y t � | � } Wn t k r� | j | } Yn X� � j | | � d d d | �d � q6 Wn | S)Nr2 r� r" r ) rO rN rZ r rw r r< r� rj r� ) rR rS rK rT r( ry rU rH r" r9 )rV rB r rM r> r r r[ � s !z#TextDoc.docclass.<locals>.spilldatac s@ g | ]6 \ } } } } t | d � �r | | | | f � q S)r9 )ru )r� r( ry rz rH )r r r r� � s z$TextDoc.docclass.<locals>.<listcomp>r c s | d � k S)Nr r )r5 )r] r r r6 s z"TextDoc.docclass.<locals>.<lambda>z defined herezinherited from %sz Methods %s: c S s | d d k S)Nr r^ r )r5 r r r r6 s zClass methods %s: c S s | d d k S)Nr z class methodr )r5 r r r r6 s zStatic methods %s: c S s | d d k S)Nr z static methodr )r5 r r r r6 s zData descriptors %s: c S s | d d k S)Nr zdata descriptorr )r5 r r r r6 s z Data and other attributes %s: c S s | d d k S)Nr rG r )r5 r r r r6 s z | )r% rA r& r{ �mapr! r r r r r_ r rv r` rO ra r r) r@ rb r} r )r> r r( rB rC rc r1 r� r� r2 r" r rd rI rO rX rY r[ rS rf rg r )rV rB r rM r> r] r r� � sn ! zTextDoc.docclassc C s d | j | � S)z)Format an argument default value as text.rh )r� )r> r r r r ri ! s zTextDoc.formatvaluec C s | j } | p | } d } d } t | � r� | j j } | rd | | k r� d t | | � } q� q� | j d k r� d t | j j | � } q� d t | | � } n | | k r� | j | � } nH | r� | | j k r� | j | | k r� d } n | j | � d | } d } t j | � r�y t j | � } Wn t t f k rSd } Yn X| r�t | � } | d k r�| j | � d } | d d � } q�q�n | s�d } n | | | } | r�| d St | � p�d } | d | o�| j | � j � d Sd S)z;Produce text documentation for a function or method object.r r z from Nz method of %s instancez unbound %s methodr z = z<lambda>z lambda z(...)r r� )r% r? r; r� r) r{ rj r r, rk rl r� r; r r} r )r> r r( rB rE rc rm rn ro r� rp rk rq r" r r r r� % sJ zTextDoc.docroutinec C sz g } | j } | r5 | | j | � � | d � n t | � pD d } | rm | | j | � � | d � n d j | � S)Nr r )r r{ r r} r! )r> r( rH rB rx rM r" r r r rQ W s zTextDoc._docdescriptorc C s | j | | | � S)z*Produce text documentation for a property.)rQ )r> r r( rB rE r r r r� d s zTextDoc.docpropertyc C s | j | | | � S)z1Produce text documentation for a data descriptor.)rQ )r> r r( rB rE r r r r� h s zTextDoc.docdatac C s� | j | � } | re | r% | d p( d | } | t | � } | d k re | d | � d } qe n | r~ | j | � d p� d | } | d k r� | d | j t | � � 7} n | S)z-Produce text documentation for a data object.z = r r Nz...r )r� r r{ r} r; ) r> r r( rB r. r2 r" r� r� Zchopr r r r� l s # zTextDoc.docother)r% r& r[ rU rx rw r� r{ r} r r, r� r� ri r� rQ r� r� r� r r r r ry s e} 2 ry c @ s" e Z d Z d Z d d � Z d S)� _PlainTextDocz2Subclass of TextDoc which overrides string stylingc C s | S)Nr )r> r. r r r r{ z s z_PlainTextDoc.boldN)r% r& r[ rU r{ r r r r r� x s r� c C s t � a t | � d S)zCThe first time this is called, determine what kind of pager to use.N)�getpager�pager)r. r r r r� s r� c C s� t t j d � s t St t j d � s, t St j j � sL t j j � rP t Sd t j k r� t j d k rx d d � St j j d � d k r� d d � Sd d � Sn t j j d � d k r� t St j d k r� d d � St t d � r t j d � d k r d d � Sd d l } | j � \ } } t j | � z: t t d � rjt j d | � d k rjd d � St SWd t j | � Xd S)z2Decide what method to use for paging through text.�isatty�PAGER�win32c S s t t | � t j d � S)Nr� )� tempfilepager�plainr r� )r. r r r r6 � s zgetpager.<locals>.<lambda>ZTERM�dumb�emacsc S s t t | � t j d � S)Nr� )� pipepagerr� r r� )r. r r r r6 � s c S s t | t j d � S)Nr� )r� r r� )r. r r r r6 � s c S s t t | � d � S)Nzmore <)r� r� )r. r r r r6 � s �systemz(less) 2>/dev/nullr c S s t | d � S)NZless)r� )r. r r r r6 � s Nz more "%s"c S s t | d � S)NZmore)r� )r. r r r r6 � s )r� r� )r� r� )rs r �stdin� plainpager�stdoutr� r r� �platformr� r� �tempfileZmkstemp�close�ttypager�unlink)r� �fdr� r r r r� � s4 $ ( r� c C s t j d d | � S)z%Remove boldface formatting from text.z.r )r r )r. r r r r� � s r� c C s� d d l } | j | d d d | j �} yK t j | j d d ��- } y | j | � Wn t k rm Yn XWd QXWn t k r� Yn Xx( y | j � PWq� t k r� Yq� Xq� Wd S)z3Page through text by feeding it to another program.r N�shellTr� �errors�backslashreplace) � subprocess�Popen�PIPE�io� TextIOWrapperr� �write�KeyboardInterruptr� �wait)r. �cmdr� �proc�piper r r r� � s r� c C su d d l } | j � } t | d d d �� } | j | � Wd QXz t j | d | d � Wd t j | � Xd S)z<Page through text by invoking a program on a temporary file.r N�wr� r� z "r )r� Zmktempr� r� r r� r� )r. r� r� r� r� r r r r� � s r� c C s4 t t j d d � p d } | j | d � j | � S)N�encodingzutf-8r� )r< r r� �encode�decode)r. r� r r r �_escape_stdout� s r� c C sD t t | � � j d � } yG d d l } t j j � } | j | � } | j | � d d � } Wn0 t t t j f k r� d } d d � } Yn Xz�y t t j j d d � � } Wn t k r� d } Yn X| d k r� d } n | d } } t j j d j | d | � � d � x� | | d � rt j j d � t j j � | � } | d k rut j j d � Pn8 | d k r�t j j d | | d � | d } q n | d k r�| | | } | d k r�d } q�n t j j d d j | | | | � � d � | | } q WWd | r?| j | | j | � n Xd S)z%Page through text on a text terminal.r r Nc S s t j j d � S)Nr )r r� r� r r r r r6 � s zttypager.<locals>.<lambda>c S s! t j j � d d � d d � S)Nr r� )r r� r� r r r r r6 � s ZLINESr � z -- more --�q�Qz � �b�B�)r� r� )r� r )r� r� r� )r� r� r �ttyr r� �filenoZ tcgetattrZ setcbreakr� r� r� �UnsupportedOperationr! r r� r� rl r� r� r! �flushZ tcsetattrZ TCSAFLUSH) r. r# r� r� �oldZgetchar�hr� Zincr0 r r r r� � sL ' /r� c C s t j j t t | � � � d S)z>Simply print unformatted text. This is the ultimate fallback.N)r r� r� r� r� )r. r r r r� � s r� c C s' t j | � rT | j t j k r, d | j St | d � rF d | j Sd | j Sn t j | � rn d | j St j | � r� d | j j | j j | j f St j | � r� d | j j | j j | j f St j | � r� d | j St j | � r d | j St j | � rd | j St | � j S) z/Produce a short description of the given thing.zbuilt-in module rZ zpackage zmodule zbuilt-in function zgetset descriptor %s.%s.%szmember descriptor %s.%s.%szclass z function zmethod )r r* r% r r� rs r8 r� � __objclass__r& r� r+ r6 r7 r� )�thingr r r �describe s. r� c C s� d d � | j d � D� } d \ } } xW | t | � k r� t d j | d | d � � | � } | r} | | d } } q+ Pq+ W| r� | } n t } xD | | d � D]2 } y t | | � } Wq� t k r� d SYq� Xq� W| S)z@Locate an object by name or dotted path, importing as necessary.c S s g | ] } | r | � q Sr r )r� r� r r r r� s zlocate.<locals>.<listcomp>r Nr r )Nr )r r r� r! ra r< r� )r r� rD r� �nZ nextmoduler r� r r r �locate s & r� c C s| t | t � rG t | | � } | d k r= t d | � � n | | f St | d d � } | t | t � rq | n d f Sd S)zDGiven an object or a path to an object, get the object and its name.Nz$no Python documentation found for %rr% )r� r; r� r� r< )r� r� r r( r r r �resolve5 s r� z Python Library Documentation: %sc C s0 | d k r t } n t | | � \ } } t | � } t j | � } | r{ d | k r{ | d | d | j d � � 7} n& | r� | | k r� | d | j 7} n t j | � p� t j | � p� t j | � p� t j | � p� t j | � p� t | t � st | � } | d 7} n | | d | j | | � S)zBRender text documentation, given an object or a path to an object.Nr z in z in module z objectz )r. r� r� r r= �rfindr% r* r+ r, r� r� r� r� r� r� )r� r� r� Zrendererr r( r� r� r r r � render_doc@ s$ $ r� c C s� yE | d k r( t t | | | � � n | j t | | | t � � Wn5 t t f k r| } z t | � WYd d } ~ Xn Xd S)zCDisplay text documentation, given an object or a path to an object.N)r� r� r� � plaintextr� r� �print)r� r� r� �outputrH r r r r" Y s r" c C s� y~ t | | � \ } } t j t | � t j | | � � } t | d d d d �} | j | � | j � t d | d � Wn5 t t f k r� } z t | � WYd d } ~ Xn Xd S)z<Write HTML documentation to a file in the current directory.z.htmlr� r� zutf-8ZwroteN) r� �htmlr r� r� r� r� r� r� r� r� )r� r� r r( r r� rH r r r �writedocd s $ r� r c C sL | d k r i } n x0 t j | g | � D] \ } } } t | � q+ Wd S)zAWrite out HTML documentation for all modules in a directory tree.N)r> � walk_packagesr� )r �pkgpath�donerI r' rJ r r r � writedocsp s %r� c @ s e Z d Z i! d d 6d d 6d d 6d d 6d d 6d5d 6d6d 6d7d 6d8d 6d9d 6d:d 6d d 6d;d 6d d 6d d 6d<d 6d d 6d=d 6d>d 6d?d 6d@d! 6d# d$ 6dAd% 6dBd' 6d d) 6d d* 6dCd+ 6dDd, 6dEd. 6dFd 6dGd/ 6dHd 6dId2 6Z i dJd; 6dKdP 6dLd# 6dMdQ 6dNd^ 6dOd_ 6dPdb 6Z i dc dB 6dd d? 6de df 6dg dh 6di dj 6dk dl 6dm dn 6d; do 6dp dq 6dr ds 6dt du 6dv dw 6dv dx 6dy dz 6dy d{ 6Z xd e j � D]V \ Z Z xG e D]? 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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. )�_GoInteractiver �intro�interactr� r� )r> �requestr r r �__call__1 s zHelper.__call__c C s� | j j d � x~ y | j d � } | s/ Pn Wn t t f k rK PYn Xt | d d d d � j � } | j � d k r� Pn | j | � q Wd S) Nr zhelp> r r r� r� �quit)r� zquit) r� r� �getliner� �EOFErrorr/ r �lowerr )r> r� r r r r� > s zHelper.interactc C sJ | j t j k r t | � S| j j | � | j j � | j j � Sd S)z.Read one line, using input() when appropriate.N)r� r r� r� r� r� r� )r> �promptr r r r� J s zHelper.getlinec C s� t | � t d � k rr| j � } | d k r= | j � q�| d k rV | j � q�| d k ro | j � q�| d k r� | j � q�| d k r� | j � q�| d d � d k r� | j | j � d � q�| | j k r� | j | � q�| d k rt t | � d � q�| | j k r1| j | � q�| | j k rP| j | � q�| r�t | d d | j �q�n/ t | t � r�| � n t | d d | j �| j j d � d S)Nr r �keywords�symbols�topicsr� � zmodules r r� r� r� z Help on %s:r� r )zTruezFalsezNone)r� r r� � listkeywords� listsymbols� listtopics� listmodulesr r� � showsymbolr" �evalr� � showtopicr� r� r� r� r� r� )r> r� r r r r S s8 z Helper.helpc C s2 | j j d t t j d d � g d � � d S)Na� Welcome to Python %s's 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, symbols, or topics, type "modules", "keywords", "symbols", or "topics". Each module also comes with a one-line summary of what it does; to list the modules whose name or summary contain a given string such as "spam", type "modules spam". r0 r )r� r� r� r rF )r> r r r r� h s z Helper.intror� �P c C s� t t | � � } | | } t | � | d | } x� t | � D]� } x� t | � D]z } | | | } | t | � k rT | j j | | � | | d k r� | j j d d | d t | | � � q� qT qT W| j j d � qA Wd S)Nr r� r )r �sortedr r r� r� ) r> �items�columnsr Zcolwr �rowr r r r r r y s 4z Helper.listc C s* | j j d � | j | j j � � d S)NzN Here is a list of the Python keywords. Enter any keyword to get more help. )r� r� r r� rD )r> r r r r� � s zHelper.listkeywordsc C s* | j j d � | j | j j � � d S)Nzx Here is a list of the punctuation symbols which Python assigns special meaning to. Enter any symbol to get more help. )r� r� r r� rD )r> r r r r� � s zHelper.listsymbolsc C s* | j j d � | j | j j � � d S)NzN Here is a list of available topics. Enter any topic name to get more help. )r� r� r r� rD )r> r r r r� � s zHelper.listtopicsc C s� y d d l } Wn& t k r8 | j j d � d SYn X| j j | | j j | � � } | s~ | j j d t | � � d St | � t d � k r� | j | | � S| \ } } y | j j | } Wn0 t k r� | j j d t | � � d SYn Xt | j � d � | r*| p d d | } n | r�d d l } d d j | j � � d } | j | d � } | j j d d j | � � n d S) Nr zt Sorry, topic and keyword documentation is not available because the module "pydoc_data.topics" could not be found. z no documentation found for %s r r r� zRelated help topics: z, �H z %s )�pydoc_data.topicsr� r� r� r� r� r� r� r� r� �KeyErrorr� r �textwrapr! r Zwrap) r> �topic� more_xrefs� pydoc_data�target�label�xrefsr" r� r. Z wrapped_textr r r r� � s4 ! zHelper.showtopicc C s� y d d l } Wn t k r( d SYn X| j j | | j j | � � } | s_ t d � � n t | t � r~ | j | | � S| \ } } | j j | } | r� | p� d d | } n | | f S)a* Return unbuffered tuple of (topic, xrefs). If an error occurs here, the exception is caught and displayed by the url handler. This function duplicates the showtopic method but returns its result directly so it can be formatted for display in an html page. r N�t Sorry, topic and keyword documentation is not available because the module "pydoc_data.topics" could not be found. r zcould not find topicr� )r� r ) r� r� r� r� r� rl r� r; � _gettopic)r> r� r� r� r� r� r� r" r r r r� � s ! zHelper._gettopicc C s9 | j | } | j d � \ } } } | j | | � d S)Nr� )r� � partitionr� )r> �symbolr� r� r_ r� r r r r� � s zHelper.showsymbolc s� | r, | j j d j | � � t | � np | j j d � i } | d d � � � f d d � } t � j � d | �| j | j � � | j j d � d S) Nzy Here is a list of modules whose name or summary contains '{}'. If there are any, enter a module name to get more help. zI Please wait a moment while I gather a list of all available modules... c S sY | r3 | d d � d k r3 | d d � d } n | j d � d k rU d | | <n d S) N� z .__init__z (package)r r r i����i����)�find)r r' r� r� r r r �callback� s z$Helper.listmodules.<locals>.callbackc s � d | d � d S)Nr )r' )r� r r �onerror� s z#Helper.listmodules.<locals>.onerrorr� z� Enter any module name to get more help. Or, type "modules spam" to search for modules whose name or summary contain the string "spam". )r� r� r �apropos� ModuleScanner�runr rD )r> rG r� r� r )r� r r� � s zHelper.listmodules)zassertr )zbreakr� )zclassr� )zcontinuer� )r� r )zdelr� )zelser� )zforr� )zglobalr� )zifr� )�importr� )zinr� )zlambda� FUNCTIONS)znonlocalr� )zpassr )zraiser� )zreturnr� )ztryr� )zwhiler� )�withr� )zyieldr )r� r� r� r r r r r )r r\ r r r� r r r r r� r r r r� r� r r r r r )r� r� r r r r r )r\ r ) r r r r r r r r r r r r )r r r� r r r )r! r" )�typesr+ )r- r. )r/ r0 )r1 r )r- r2 )r4 r5 )r6 r7 )r8 r9 )r: r; )r< r= )r> r? )r@ rA )rB rC )rD rE )rF r )rG rH )rI r )r� rJ )rK r� )rL rM )rO r, )rP rQ )rR rS )rT rU )rV rW )rX rY )rX rZ )r[ r\ )r^ r_ )r` ra )rb r )z exceptionsrc )rd r )re rf )rg r )rh r )ri rj )rk rl )rm rn )ro rp )rq rr )zdictrs )rt ru )rv r� )rw r� )rx rN )ry rN )rz rN )r{ rN )r| rN )r} rN )r~ r )r� r� )r� r )r� r] )r� r� )ztruthr� )r� r� )r� r� ) r% r& r[ r� Z_symbols_inverser� r� r� Zsymbols_r� r� r� r~ r� r� r� r� r r� r� r� r� r r� r r� r� r� r� r� r� r� r r r r r� w s< r� c @ s+ e Z d Z d Z d d d d d � Z d S)r� z7An interruptible scanner that searches module synopses.Nc C s� | r | j � } n d | _ i } x� t j D]� } | d k r. d | | <| d k ri | d | d � q� t | � j p{ d } | j d � d } | d | } | j � j | � d k r� | d | | � q� q. q. Wx�t j d | � D]�\ } } } | j rPn | d k r"| d | d � q� y t j | | � } Wn t k rOw� Yn X| j } t | d � r�y | j | � } Wn( t k r�| r�| | � n w� Yn Xt t j | � � p�d } t | d � r�| j | � } qld } n� t j j | � } y | j � } Wn( t k r7| r0| | � n w� Yn X| j rT| j j � d n d } t | d d � } | d | } | j � j | � d k r� | | | | � q� q� W| r�| � n d S) NF�__main__r r r r z - r� � get_source� get_filenamerV )r� r� r r� r� rU r r� r> r� � _get_specr� r� rs r� rP r� r� �StringIOr� r� r� r� r� r� r� r< )r> r� rG Z completerr� �seenr' r( r� rI rJ r� r� �sourcer r� r� r r r r� � sb " "zModuleScanner.run)r% r& r[ rU r� r r r r r� � s r� c C sU d d � } d d � } t j � �+ t j d � t � j | | d | �Wd QXd S)zAPrint all the one-line module summaries that contain a substring.c S sH | d d � d k r- | d d � d } n t | | o@ d | � d S)Nr� z .__init__z (package)z- i����i����)r� )r r' r� r r r r� 9 s zapropos.<locals>.callbackc S s d S)Nr )r' r r r r� = s zapropos.<locals>.onerror�ignorer� N)�warnings�catch_warnings�filterwarningsr� r� )rG r� r� r r r r� 7 s r� c s� d d l � d d l � d d l � d d l � Gd d � d � j j � � G� f d d � d � j j � � G� � � � � f d d � d � j � } | | | � } | j � x% | j r� | j r� t j d � q� W| S) a7 Start an HTTP server thread on a specific port. Start an HTML/text server thread, so HTML or text documents can be browsed dynamically and interactively with a Web browser. Example use: >>> import time >>> import pydoc Define a URL handler. To determine what the client is asking for, check the URL and content_type. Then get or generate some text or HTML code and return it. >>> def my_url_handler(url, content_type): ... text = 'the URL sent was: (%s, %s)' % (url, content_type) ... return text Start server thread on port 0. If you use port 0, the server will pick a random port number. You can then use serverthread.port to get the port number. >>> port = 0 >>> serverthread = pydoc._start_server(my_url_handler, port) Check that the server is really started. If it is, open browser and get first page. Use serverthread.url as the starting page. >>> if serverthread.serving: ... import webbrowser The next two lines are commented out so a browser doesn't open if doctest is run on this module. #... webbrowser.open(serverthread.url) #True Let the server do its thing. We just need to monitor its status. Use time.sleep so the loop doesn't hog the CPU. >>> starttime = time.time() >>> timeout = 1 #seconds This is a short timeout for testing purposes. >>> while serverthread.serving: ... time.sleep(.01) ... if serverthread.serving and time.time() - starttime > timeout: ... serverthread.stop() ... break Print any errors that may have occurred. >>> print(serverthread.error) None r Nc @ s( e Z d Z d d � Z d d � Z d S)z!_start_server.<locals>.DocHandlerc S sx | j j d � r d } n d } | j d � | j d d | � | j � | j j | j | j | � j d � � d S) z�Process a request from an HTML browser. The URL received is in self.path. 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