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a _�h�� � @ s d Z dgZdZdZdZddlZddlZddlZddl Zddl Zddl Z ddl Z ddl Z ddlZddlZddlZddlZddlZddlZddlZddlZddlZddlmZ ddlmZ dd l m Z d d � Z d d � Z dd� Z dd� Z!dd� Z"dd� Z#dd� Z$dd� Z%dd� Z&d d � Z'd d � Z(e�)d ej*�Z+d!d"� Z,d#d$� Z-d%d&� Z.d'd(� Z/d�d)d*�Z0d+d,� Z1d-d.� Z2d/d0� Z3d1d2� Z4i fd3d4�Z5G d5d6� d6e6�Z7d7d8� Z8di fd9d:�Z9G d;d<� d<�Z:G d=d>� d>e�Z;G d?d@� d@e:�Z<G dAdB� dBe�Z=G dCdD� dDe:�Z>G dEdF� dFe>�Z?dGdH� a@dIdJ� ZAdKdL� ZBdMdN� ZCdOdP� ZDdQdR� ZEdSdT� ZFdUdV� ZGdWdX� ZHd�dYdZ�ZIe>� ZJe?� ZKe<� ZLd�d[d\�ZMd�d^d_�ZNd�d`da�ZOd�dbdc�ZPd�dedf�ZQG dgdh� dh�ZReR� ZSG didj� dj�ZTdkdl� ZUdmdn� ZVd�dpdq�ZWd�drdsdt�dudv�ZXdwdx� ZYdydz� ZZd{d|� Z[d}d~� Z\e]dk�re\� dS )�a Generate Python documentation in HTML or text for interactive use. 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 -n <hostname>" to start an HTTP server with the given hostname (default: localhost) on the local machine. 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. Combine with the -n and -p options to control the hostname and port used. 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/X.Y/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. �helpzKa-Ping Yee <ping@lfw.org>z26 February 2001z�Guido van Rossum, for an excellent programming language. Tommy Burnette, the original creator of manpy. Paul Prescod, for all his work on onlinehelp. 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r� c s t | � �S r� �r� r^ r� r r r� # r� c S s t t| �d�S )Nzmore <r� r^ r r r r� ' r� �systemz(less) 2>/dev/nullr c S s t | d�S )NZlessr� r^ r r r r� ) r� Nz more "%s"c S s t | d�S )NZmorer� r^ r r r r� 0 r� )r� r �stdin� plainpager�stdoutr� r r� r �platformr� �tempfile�mkstemp�close�unlink�ttypager)r� �fdr� r r� r r� s> � �r� c C s t �dd| �S )z%Remove boldface formatting from text.z.r@ )rA rB r^ r r r r� 6 s r� c C s� ddl }|j|d|jd�}zVtj|jdd��2}z|�| � W n tyN Y n0 W d � n1 sd0 Y W n ty� Y n0 z|� � W q�W q� ty� Y q�0 q�dS )z3Page through text by feeding it to another program.r NT)�shellr� �backslashreplace)�errors) � subprocess�Popen�PIPE�io� TextIOWrapperr� �write�KeyboardInterruptr� �wait)rT �cmdr� �proc�piper r r r� : s ( r� c C s� ddl }|�� ��}tj�|d�}t|ddtjdkr<t�d�ndd��}|� | � W d � n1 sd0 Y t� |d | d � W d � n1 s�0 Y dS ) z<Page through text by invoking a program on a temporary file.r Nz pydoc.out�wr� r� )r� �encodingz "r: ) r� �TemporaryDirectoryr r rK r� r r� �device_encodingr� r� )rT r� r� �tempdirr� r� r r r r� Q s � �(r� c C s$ t tjdd �pd}| �|d��|�S )Nr� �utf-8r� )r r r� �encode�decode)rT r� r r r �_escape_stdout] s r c C s� t t| ���d�}z2ddl}tj�� }|�|�}|�|� dd� }W n& t t t j fyj d}dd� }Y n0 �zDzt tj�dd��}W n ty� d}Y n0 |dkr�d }|d }}tj�d�|d|� �d � ||d� �r�tj�d � tj�� |� } | d v �rtj�d � �q�n,| d v �rFtj�d || d � |d }q�| dv �rj|| | }|dk �rjd}tj�dd�|||| � � d � || }q�W |�r�|�||j|� n|�r�|�||j|� 0 dS )z%Page through text on a text terminal.rF r Nc S s t j�d�S rb )r r� r� r r r r r� j r� zttypager.<locals>.<lambda>c S s t j�� d d� d d� S )Nr rG )r r� r� r r r r r� m r� �LINESrG � z -- more --)�q�Qz )� rF )�b�B�)r� r r �ttyr r� �filenoZ tcgetattrZ setcbreakr� r2 r� �UnsupportedOperationr@ r r� r r� r� r� rK �flushZ tcsetattrZ TCSAFLUSH) rT rL r r� �oldZgetchar�hr ZincrP r r r r� b sN & �r� c C s t j�tt| ��� dS )z>Simply print unformatted text. 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Executing "help('string')" has the same effect as typing a particular string at the help> prompt. )�_GoInteractiver �intro�interactr r� �r4 Zrequestr r r �__call__� s zHelper.__call__c C s� | j �d� z| �d�}|s W q�W n ttfy< Y q�Y n0 |�� }t|�dkr�|d |d krndv r�n n |d |dd� vr�|dd� }|�� dv r�q�|d kr�| �� q | � |� q d S ) NrF zhelp> rH r r rT rG )r �quitr ) r r� �getliner� �EOFErrorrI rJ r� r� r r� r r r r� � s ,� zHelper.interactc C s8 | j tju rt |�S | j�|� | j�� | j �� S dS )z.Read one line, using input() when appropriate.N)r� r r� r r� r r� )r4 �promptr r r r� � s zHelper.getlinec C s< t |�t d�u �r|�� }|dkr,| �� n�|dkr>| �� n�|dkrP| �� n�|dkrb| �� n�|d d� dkr�| �|�� d � n�|| jv r�| �|� nj|d v r�t t |�d � nR|| j v r�| � |� n<|| j v r�| � |� n&|r�t |d | jd � nt td | jd � n$t|t��r | � nt |d | jd � | j�d � d S ) Nr@ �keywords�symbols�topicsr � zmodules rG )rH rF rG z Help on %s:)r rF )r< rI � listkeywords� listsymbols� listtopics� listmodulesr r� � showsymbolr7 �evalr� � showtopicr� r� r= r) r& r r� r� r r r r � s$ z Helper.helpc C s$ | j �d�dtjd d� �� d S )Na� Welcome to Python {0}'s help utility! If this is your first time using Python, you should definitely check out the tutorial on the Internet at https://docs.python.org/{0}/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". z%d.%drH )r r� r, r r� r r r r r� s �z Helper.intror� �P c C s� t t|��}|| }t|�| d | }t|�D ]v}t|�D ]\}|| | }|t|�k r<| j�|| � ||d k r<| j�dd|d t|| � � q<| j�d� q0d S )NrG r� rF )r+ r� rJ r* r r� ) r4 �items�columnsr# Zcolwr- �rowr. r� r r r r+ ! s &z Helper.listc C s | j �d� | �| j�� � d S )NzN Here is a list of the Python keywords. 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This function duplicates the showtopic method but returns its result directly so it can be formatted for display in an html page. r N)r� r@ zcould not find topicr@ r� ) r� r� r� r r� r� r) r= � _gettopic)r4 r� r� r� r� r� r� r7 r r r r� d s zHelper._gettopicc C s* | j | }|�d�\}}}| �||� d S )Nr� )r� � partitionr� )r4 �symbolr� r� r~ r� r r r r� s zHelper.showsymbolc sv |r | j �d�|�� t|� nR| j �d� i }|fdd�� � fdd�}t� j� |d� | �|�� � | 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 s> |r$|dd � dkr$|d d� d }|� d�dk r:d||< d S )N���� .__init__r� r r rG )�find)r rN r� r r r r �callback� s z$Helper.listmodules.<locals>.callbackc s � d | d � d S r� r r� �r� r r �onerror� s z#Helper.listmodules.<locals>.onerror�r� z� Enter any module name to get more help. Or, type "modules spam" to search for modules whose name or summary contain the string "spam". )r r� r, �apropos� ModuleScanner�runr+ rg )r4 rj r r� r r� r r� � s � zHelper.listmodules)NN)r� r� )r@ )r@ )r@ )!r$ r r r� Z _strprefixesZ_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& sD �(� � �W r& c @ s e Zd ZdZddd�ZdS )r� z7An interruptible scanner that searches module synopses.Nc C s |r |� � }d| _i }tjD ]p}|dkr d||< |d u rF|d |d� q t|�jpRd}|�d�d }|d | }|� � �|�dkr |d ||� q tj |d�D �]V\} }} | jr� �q�|d u r�|d |d� q�zt� | |�} W n t y� Y q�Y n0 | j } t | d ��rjz| �|�} W n& t�y6 |�r.||� Y q�Y n0 tt�| ���pJd}t | d ��rd| �|�}nd }n^ztj�| �}W n& t�y� |�r�||� Y q�Y n0 |j�r�|j�� d nd}t|d d �}|d | }|� � �|�dkr�||||� q�|�r |� d S ) NF�__main__rG r@ rF r r� r� � get_source� get_filenamert )r� r� r r� r� r9 r r� rc r" � _get_specr� r� r� r� rx r� r� �StringIOr� r� r� r� r� r� r )r4 r� rj Z completerr� �seenrN r r� rm rn r� r� �sourcer r� r r r r� � s^ zModuleScanner.run)NNN)r$ r r r9 r� r r r r r� � s r� c C sX dd� }dd� }t �� �, t �d� t� j|| |d� W d � n1 sJ0 Y dS )zAPrint all the one-line module summaries that contain a substring.c S s6 |dd � dkr |d d� d }t ||o.d| � d S �Nr� r� r� z- )r �r rN r� r r r r� � s zapropos.<locals>.callbackc S s d S r� r r� r r r r� � s zapropos.<locals>.onerror�ignorer� N)�warnings�catch_warnings�filterwarningsr� r� )rj r� r� r r r r� � s r� c s� ddl �ddl�ddl�ddl�G dd� d�jj�� G �fdd�d�jj��G � ����fdd�d�j�}|| ||�}|�� |j s�|j s�t � d � q~|S ) aA Start an HTTP server thread on a specific port. 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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.monotonic() >>> timeout = 1 #seconds This is a short timeout for testing purposes. >>> while serverthread.serving: ... time.sleep(.01) ... if serverthread.serving and time.monotonic() - starttime > timeout: ... serverthread.stop() ... break Print any errors that may have occurred. >>> print(serverthread.error) None r Nc @ s e Zd Zdd� Zdd� ZdS )z!_start_server.<locals>.DocHandlerc S sX | j �d�rd}nd}| �d� | �dd| � | �� | j�| �| j |��d�� dS ) z�Process a request from an HTML browser. The URL received is in self.path. 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