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Edit File: turtle.pyc
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It was part of the original Logo programming language developed by Wally Feurzig and Seymour Papert in 1966. Imagine a robotic turtle starting at (0, 0) in the x-y plane. After an ``import turtle``, give it the command turtle.forward(15), and it moves (on-screen!) 15 pixels in the direction it is facing, drawing a line as it moves. Give it the command turtle.right(25), and it rotates in-place 25 degrees clockwise. By combining together these and similar commands, intricate shapes and pictures can easily be drawn. ----- turtle.py This module is an extended reimplementation of turtle.py from the Python standard distribution up to Python 2.5. (See: http://www.python.org) It tries to keep the merits of turtle.py and to be (nearly) 100% compatible with it. This means in the first place to enable the learning programmer to use all the commands, classes and methods interactively when using the module from within IDLE run with the -n switch. Roughly it has the following features added: - Better animation of the turtle movements, especially of turning the turtle. So the turtles can more easily be used as a visual feedback instrument by the (beginning) programmer. - Different turtle shapes, gif-images as turtle shapes, user defined and user controllable turtle shapes, among them compound (multicolored) shapes. Turtle shapes can be stretched and tilted, which makes turtles very versatile geometrical objects. - Fine control over turtle movement and screen updates via delay(), and enhanced tracer() and speed() methods. - Aliases for the most commonly used commands, like fd for forward etc., following the early Logo traditions. This reduces the boring work of typing long sequences of commands, which often occur in a natural way when kids try to program fancy pictures on their first encounter with turtle graphics. - Turtles now have an undo()-method with configurable undo-buffer. - Some simple commands/methods for creating event driven programs (mouse-, key-, timer-events). Especially useful for programming games. - A scrollable Canvas class. The default scrollable Canvas can be extended interactively as needed while playing around with the turtle(s). - A TurtleScreen class with methods controlling background color or background image, window and canvas size and other properties of the TurtleScreen. - There is a method, setworldcoordinates(), to install a user defined coordinate-system for the TurtleScreen. - The implementation uses a 2-vector class named Vec2D, derived from tuple. This class is public, so it can be imported by the application programmer, which makes certain types of computations very natural and compact. - Appearance of the TurtleScreen and the Turtles at startup/import can be configured by means of a turtle.cfg configuration file. The default configuration mimics the appearance of the old turtle module. - If configured appropriately the module reads in docstrings from a docstring dictionary in some different language, supplied separately and replaces the English ones by those read in. There is a utility function write_docstringdict() to write a dictionary with the original (English) docstrings to disc, so it can serve as a template for translations. Behind the scenes there are some features included with possible extensions in mind. These will be commented and documented elsewhere. s5 turtle 1.0b1 - for Python 2.6 - 30. 5. 2008, 18:08i����N( t isfilet splitt join( t deepcopy( t *t ScrolledCanvast TurtleScreent Screent RawTurtlet Turtlet RawPent Pent Shapet Vec2Dt addshapet bgcolort bgpict byet clearscreent colormodet delayt exitonclickt getcanvast getshapest listent modet onkeyt onscreenclickt ontimert register_shapet resetscreent screensizet setupt setworldcoordinatest titlet tracert turtlest updatet window_heightt window_widtht backt backwardt begin_fillt begin_polyt bkt circlet cleart clearstampt clearstampst clonet colort degreest distancet dott downt end_fillt end_polyt fdt fillt fillcolort forwardt get_polyt getpent getscreent getturtlet gotot headingt hideturtlet homet htt isdownt isvisiblet leftt ltt onclickt ondragt onreleaset pdt pent pencolort pendownt pensizet penupt post positiont put radianst rightt resett resizemodet rtt setht setheadingt setpost setpositiont settiltanglet setundobuffert setxt setyt shapet shapesizet showturtlet speedt stt stampt tiltt tiltanglet towardst turtlesizet undot undobufferentriest upt widtht writet xcort ycort write_docstringdictt donet mainloopt acost asint atant atan2t ceilt cost cosht et expt fabst floort fmodt frexpt hypott ldexpt logt log10t modft pit powt sint sinht sqrtt tant tanht Terminatorg �?g �?t heighti� t canvwidthi, t canvheightt leftrightt topbottomt standardg �?i i� t undobuffersizet classict blackt noresizet visiblet englisht languaget turtlet exampleturtlet screent examplescreens Python Turtle Graphicst using_IDLEc C s# t | d � } | j � } | j � i } x� | D]� } | j � } | s2 | j d � r` q2 n y | j d � \ } } Wn# t k r� d | | f GHq2 n X| j � } | j � } | d k r� t | � } n? y+ d | k r� t | � } n t | � } Wn t k rn X| | | <q2 W| S( s/ Convert content of config-file into dictionary.t rt #t =s Bad line in config-file %s: %st Truet Falset Nones ''s ""t .( R� R� R� s ''s ""( t opent readlinest closet stript startswithR t ValueErrort evalt floatt int( t filenamet ft cfglinest cfgdictt linet keyt value( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt config_dict� s2 c C s� d } i } i } t | � r- t | � } n d | k rJ d | d } n y% t t � \ } } t | | � } Wn t k r� d } n Xt | � r� t | � } n t j | � t j | � d S( s@ Read config-files, change configuration-dict accordingly. If there is a turtle.cfg file in the current working directory, read it from there. If this contains an importconfig-value, say 'myway', construct filename turtle_mayway.cfg else use turtle.cfg and read it from the import-directory, where turtle.py is located. Update configuration dictionary first according to config-file, in the import directory, then according to config-file in the current working directory. If no config-file is found, the default configuration is used. s turtle.cfgt importconfigs turtle_%s.cfgt N( R R� R t __file__R t BaseExceptiont _CFGR% ( R� t default_cfgt cfgdict1t cfgdict2t headt tailt cfg_file2( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt readconfig� s s" No configfile read, reason unknownc B sh e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� A 2 dimensional vector class, used as a helper class for implementing turtle graphics. May be useful for turtle graphics programs also. Derived from tuple, so a vector is a tuple! Provides (for a, b vectors, k number): a+b vector addition a-b vector subtraction a*b inner product k*a and a*k multiplication with scalar |a| absolute value of a a.rotate(angle) rotation c C s t j | | | f � S( N( t tuplet __new__( t clst xt y( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� s c C s% t | d | d | d | d � S( Ni i ( R ( t selft other( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __add__ s c C sL t | t � r/ | d | d | d | d St | d | | d | � S( Ni i ( t isinstanceR ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __mul__ s c C s9 t | t t t f � r5 t | d | | d | � Sd S( Ni i ( R� R� t longR� R ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __rmul__ s c C s% t | d | d | d | d � S( Ni i ( R ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __sub__ s c C s t | d | d � S( Ni i ( R ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __neg__ s c C s | d d | d d d S( Ni i i g �?( ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __abs__ s c C s} t | d | d � } | t j d } t j | � t j | � } } t | d | | d | | d | | d | � S( s. rotate self counterclockwise by angle i i g �f@( R t mathR� R| R� ( R� t anglet perpt ct s( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt rotate s c C s | d | d f S( Ni i ( ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __getnewargs__& s c C s d | S( Ns (%.2f,%.2f)( ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __repr__( s ( t __name__t __module__t __doc__R� R� R� R� R� R� R� R� R� R� ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR s c C s} t | j � } | j � x | D] } t | | � q Wx? | j j � D]. \ } } t | � t j k rG | | | <qG qG Wd S( s# helper function for Scrolled CanvasN( t listt __bases__t reverset __methodDictt __dict__t itemst typet typest FunctionType( R� t _dictt baseListt _superR� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� 4 s c C s i } t | | � | j � S( s# helper function for Scrolled Canvas( R� t keys( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __methods> s s* def %(method)s(self, *args, **kw): return s* self.%(attribute)s.%(method)s(*args, **kw)c B s& i } e | | � x> | j � D]0 } | d d k sF | d d k r | | =q q Wx$ | D] } | | k r[ | | =q[ q[ Wx* e | � D] } | | k r� | | =q� q� Wxw | j � D]i \ } } i | d 6| d 6} e | � e j k re i | d 6| d 6} n | | U| | | j | <q� Wd S( sn Helper functions for Scrolled Canvas, used to forward ScrolledCanvas-methods to Tkinter.Canvas class. i t _i����t methodt funct attributeN( R� R� R� R� R� R� t StringTypet __stringBodyR� ( t fromClasst toClasst toPartt excludeR� t exR� R� t dt execString( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt __forwardmethodsH s" c B s} e Z d Z d d d d d � Z d d d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� Modeled after the scrolled canvas class from Grayons's Tkinter book. Used as the default canvas, which pops up automatically when using turtle graphics functions or the Turtle class. i� i^ iX c C s t j j | | d | d | �| j � | _ | | | _ | _ | | | _ | _ d | _ t j | d | d | d | j d t j d d �| _ t j | d | j j d t j �| _ t j | d | j j �| _ | j j d | j j d | j j � | j d d d d d �| j d d d d d �| j j d d d | d d d d d d d d d d d d � | j j d d d | d d d d d d d d d d d d � | j j d d d | d d d d d d d d d d d d � | j � | j j d | j � d S( NRp R� t whitet bgt relieft borderwidthi t commandt orientt xscrollcommandt yscrollcommandi t weighti t minsizet padxt in_t padyt rowt columnt rowspant columnspant stickyt newss <Configure>( t TKt Framet __init__t winfo_toplevelt _rootwindowRp R� R� R� R� t Canvast SUNKENt _canvast Scrollbart xviewt HORIZONTALt hscrollt yviewt vscrollt configuret sett rowconfiguret columnconfiguret gridRX t bindt onResize( R� t masterRp R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR g s, $$$ c C s� | r | | _ n | r$ | | _ n | r6 | | _ n | j j d | d | j d | j d | j d | j d f � | j j d | j | j d | j � | j j d | j | j d | j � | j � d S( s< Adjust canvas and scrollbars according to given canvas size.R� t scrollregioni g �?i N( R� R� R� R t configt xview_movetoRp t yview_movetoR� t adjustScrolls( R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRX � s c C s | j j � } | j j � } | j j d | j | | j � | j j d | j | | j � | | j k s� | | j k r� | j j d d d | d d d d d d d d d d d d � | j j d d d | d d d d d d d d d d d d � n | j j � | j j � d S( sA Adjust scrollbars according to window- and canvas-size. g �?R i R R R R i R R R R N( R t winfo_widtht winfo_heightR( R� R) R� R R" R t grid_forget( R� t cwidtht cheight( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR* � s "" $$ c C s | j � d S( s self-explanatoryN( R* ( R� t event( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR$ � s c G s | j j | � S( s@ 'forward' method, which canvas itself has inherited... ( R t bbox( R� t args( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR1 � s c O s | j j | | � S( s@ 'forward' method, which canvas itself has inherited... ( R t cget( R� R2 t kwargs( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR3 � s c O s | j j | | � d S( s@ 'forward' method, which canvas itself has inherited... N( R R' ( R� R2 R4 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR' � s c O s | j j | | � d S( s@ 'forward' method, which canvas itself has inherited... N( R R# ( R� R2 R4 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR# � s c O s | j j | | � d S( s@ 'forward' method, which canvas itself has inherited... N( R t unbind( R� R2 R4 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR5 � s c C s | j j � d S( s@ 'forward' method, which canvas itself has inherited... N( R t focus_force( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR6 � s N( R� R� R� R R� RX R* R$ R1 R3 R' R# R5 R6 ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR a s R t _Rootc B sM e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s' Root class for Screen based on Tkinter.c C s t j j | � d S( N( R t TkR ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s c C s8 t | | | | | � | _ | j j d d d d � d S( Nt expandi R: t both( R R t pack( R� Rp R� R. R/ ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt setupcanvas� s c C s | j S( N( R ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _getcanvas� s c C s! | j d | | | | f � d S( Ns %dx%d%+d%+d( t geometry( R� Rp R� t startxt starty( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt set_geometry� s c C s | j d | � d S( Nt WM_DELETE_WINDOW( t wm_protocol( R� t destroy( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt ondestroy� s c C s | j � S( N( t winfo_screenwidth( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt win_width� s c C s | j � S( N( t winfo_screenheight( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt win_height� s ( R� R� R� R R< R= RA RE RG RI ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR7 � s t TurtleScreenBasec B s[ e Z d Z e d � � Z e d � � Z d � Z d � Z d d d e d � Z d � Z d d d e d � Z d � Z d � Z d � Z d � Z d d � Z d � Z d d d � Z d d d � Z d d d � Z d d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d d d � Z! d � Z" RS( s� Provide the basic graphics functionality. Interface between Tkinter and turtle.py. To port turtle.py to some different graphics toolkit a corresponding TurtleScreenBase class has to be implemented. c C s& t j d d d d � } | j � | S( s$ return a blank image object Rp i R� ( R t PhotoImaget blank( t img( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _blankimage� s c C s t j d | � S( s` return an image object containing the imagedata from a gif-file named filename. t file( R RK ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _image� s c C s� | | _ t | t � r3 | j j } | j j } na t | j j d � � } t | j j d � � } | j j d | d | d | d | d f � | | _ | | _ d | _ | _ d S( NRp R� R& i g �?( t cvR� R R� R� R� R3 R' t xscalet yscale( R� RQ t wt h( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s 1 c C s | j j d d d d d �S( s< Create an invisible polygon item on canvas self.cv) i R: R� t outline( i i i i i i ( RQ t create_polygon( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _createpoly s c C s� g } x= | D]5 \ } } | j | | j � | j | | j � q W| j j | | � | d k r~ | j j | d | �n | d k r� | j j | d | �n | d k r� | j j | d | �n | r� | j j | � n d S( s` Configure polygonitem polyitem according to provided arguments: coordlist is sequence of coordinates fill is filling color outline is outline color top is a boolean value, which specifies if polyitem will be put on top of the canvas' displaylist so it will not be covered by other items. R: RV Rp N( t appendRR RS RQ t coordsR� t itemconfiguret tag_raise( R� t polyitemt coordlistR: RV Rp t topt clR� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _drawpoly s c C s. | j j d d d d d d d d d t j �S( s9 Create an invisible line item on canvas self.cv) i R: R� Rp i t capstyle( RQ t create_lineR t ROUND( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _createline$ s $c C s� | d k rh g } x= | D]5 \ } } | j | | j � | j | | j � q W| j j | | � n | d k r� | j j | d | �n | d k r� | j j | d | �n | r� | j j | � n d S( sQ Configure lineitem according to provided arguments: coordlist is sequence of coordinates fill is drawing color width is width of drawn line. top is a boolean value, which specifies if polyitem will be put on top of the canvas' displaylist so it will not be covered by other items. R: Rp N( R� RY RR RS RQ RZ R[ R\ ( R� t lineitemR^ R: Rp R_ R` R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _drawline* s c C s | j j | � d S( s] Delete graphics item from canvas. If item is"all" delete all graphics items. N( RQ t delete( R� t item( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _deleteA s c C s | j j � d S( s( Redraw graphics items on canvas N( RQ R% ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _updateG s c C s | j j | � d S( s- Delay subsequent canvas actions for delay ms.N( RQ t after( R� R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _delayL s c C s= y | j j | � } t } Wn t j k r8 t } n X| S( sC Check if the string color is a legal Tkinter color string. ( RQ t winfo_rgbR� R t TclErrorR� ( R� R2 t rgbt ok( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _iscolorstringP s c C s@ | d k r, | j j d | � | j � n | j j d � Sd S( sV Set canvas' backgroundcolor if color is not None, else return backgroundcolor.R� N( R� RQ R' Rk R3 ( R� R2 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _bgcolorZ s c C s� | \ } } | | j } | | j } i d d 6d d 6d d 6} | j j | d | d | d | | d | d | �} | j j | � \ } } } } | j j � | | d f S( s� Write txt at pos in canvas with specified font and color. Return text item and x-coord of right bottom corner of text's bounding box.t swRH R� t centert seRW i t textt anchorR: t font( RR RS RQ t create_textR1 R% ( R� RS t txtt alignRy RO R� R� Rx Ri t x0t y0t x1t y1( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _writec s ' i c sY � d k r& � j j | d | � n/ � � f d � } � j j | d | | | � d S( s� Bind fun to mouse-click event on turtle. fun must be a function with two arguments, the coordinates of the clicked point on the canvas. num, the number of the mouse-button defaults to 1 s <Button-%s>c sK � j j | j � � j � j j | j � � j } } � | | � d S( N( RQ t canvasxR� RR t canvasyR� RS ( R0 R� R� ( t funR� ( s# /usr/lib/python2.7/lib-tk/turtle.pyt eventfun~ s !N( R� RQ t tag_unbindt tag_bind( R� Ri R� t numt addR� ( ( R� R� s# /usr/lib/python2.7/lib-tk/turtle.pyt _onclicku s c sY � d k r& � j j | d | � n/ � � f d � } � j j | d | | | � d S( sg Bind fun to mouse-button-release event on turtle. fun must be a function with two arguments, the coordinates of the point on the canvas where mouse button is released. num, the number of the mouse-button defaults to 1 If a turtle is clicked, first _onclick-event will be performed, then _onscreensclick-event. s <Button%s-ButtonRelease>c sK � j j | j � � j � j j | j � � j } } � | | � d S( N( RQ R� R� RR R� R� RS ( R0 R� R� ( R� R� ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s !N( R� RQ R� R� ( R� Ri R� R� R� R� ( ( R� R� s# /usr/lib/python2.7/lib-tk/turtle.pyt _onrelease� s c sY � d k r& � j j | d | � n/ � � f d � } � j j | d | | | � d S( sq Bind fun to mouse-move-event (with pressed mouse button) on turtle. fun must be a function with two arguments, the coordinates of the actual mouse position on the canvas. num, the number of the mouse-button defaults to 1 Every sequence of mouse-move-events on a turtle is preceded by a mouse-click event on that turtle. s <Button%s-Motion>c sc yK � j j | j � � j � j j | j � � j } } � | | � Wn t k r^ n Xd S( N( RQ R� R� RR R� R� RS R� ( R0 R� R� ( R� R� ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s ! N( R� RQ R� R� ( R� Ri R� R� R� R� ( ( R� R� s# /usr/lib/python2.7/lib-tk/turtle.pyt _ondrag� s c sS � d k r# � j j d | � n, � � f d � } � j j d | | | � d S( sG Bind fun to mouse-click event on canvas. fun must be a function with two arguments, the coordinates of the clicked point on the canvas. num, the number of the mouse-button defaults to 1 If a turtle is clicked, first _onclick-event will be performed, then _onscreensclick-event. s <Button-%s>c sK � j j | j � � j � j j | j � � j } } � | | � d S( N( RQ R� R� RR R� R� RS ( R0 R� R� ( R� R� ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s !N( R� RQ R5 R# ( R� R� R� R� R� ( ( R� R� s# /usr/lib/python2.7/lib-tk/turtle.pyt _onscreenclick� s c sP � d k r& | j j d | d � n& � f d � } | j j d | | � d S( s` Bind fun to key-release event of key. Canvas must have focus. See method listen s <KeyRelease-%s>c s � � d S( N( ( R0 ( R� ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s N( R� RQ R5 R# ( R� R� R� R� ( ( R� s# /usr/lib/python2.7/lib-tk/turtle.pyt _onkey� s c C s | j j � d S( s= Set focus on canvas (in order to collect key-events) N( RQ R6 ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _listen� s c C s6 | d k r | j j | � n | j j | | � d S( s? Install a timer, which calls fun after t milliseconds. i N( RQ t after_idleRl ( R� R� t t( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _ontimer� s c C s | j j d d d | �S( s0 Create and return image item on canvas. i t image( RQ t create_image( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _createimage� s c C sN | \ } } | j j | | | j | | j f � | j j | d | �d S( sZ Configure image item as to draw image object at position (x,y) on canvas) R� N( RQ RZ RR RS t itemconfig( R� Ri RS R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _drawimage� s (c C s* | j j | d | �| j j | � d S( s� Configure image item as to draw image object at center of canvas. Set item to the first item in the displaylist, so it will be drawn below any other item .R� N( RQ R� t tag_lower( R� Ri R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _setbgpic� s c C s | j j | � S( sQ Return 'line' or 'polygon' or 'image' depending on type of item. ( RQ R� ( R� Ri ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _type� s c C sT | j j | � } g t d t | � d � D] } | | | | d f ^ q+ } | S( s returns list of coordinate-pairs of points of item Example (for insiders): >>> from turtle import * >>> getscreen()._pointlist(getturtle().turtle._item) [(0.0, 9.9999999999999982), (0.0, -9.9999999999999982), (9.9999999999999982, 0.0)] >>> i i i ( RQ RZ t ranget len( R� Ri R` t it pl( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _pointlist� s >c C s# | j j d | | | | f � d S( NR& ( RQ R' ( R� t srx1t sry1t srx2t sry2( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _setscrollregion� s c C s� | j j � } x� | D]z } | j j | � } g } xF | r| | d \ } } | j | | � | j | | � | d } q7 W| j j | | � q Wd S( Ni ( RQ t find_allRZ RY ( R� t xscalefactort yscalefactorR� Ri t coordinatest newcoordlistR� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _rescale s c C s� t | j t � s" | j | j f S| | k oD | k oD d k n r_ | j j | j j f S| d k rw | | _ n | d k r� | | _ n | j j | | | � d S( sa Resize the canvas the turtles are drawing on. Does not alter the drawing window. N( R� RQ R R� R� R� RX ( R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _resize s ' c C s` | j j � } | d k r+ | j d } n | j j � } | d k rV | j d } n | | f S( s; Return the width and height of the turtle window. i Rp R� ( RQ R+ R, ( R� Rp R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _window_size s N(# R� R� R� t staticmethodRN RP R RX R� R� Ra Re Rg Rj Rk Rm Rr Rs R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRJ � s@ c B s e Z d Z RS( s� Will be raised in TurtleScreen.update, if _RUNNING becomes False. This stops execution of a turtle graphics script. Main purpose: use in the Demo-Viewer turtle.Demo.py. ( R� R� R� ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� , s t TurtleGraphicsErrorc B s e Z d Z RS( s Some TurtleGraphics Error ( R� R� R� ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� 5 s c B s& e Z d Z d d � Z d d � Z RS( s� Data structure modeling shapes. attribute _type is one of "polygon", "image", "compound" attribute _data is - depending on _type a poygon-tuple, an image or a list constructed using the addcomponent method. c C s� | | _ | d k r6 t | t � r� t | � } q� ny | d k r� t | t � r� | j � j d � r� t | � r� t j | � } q� q� n% | d k r� g } n t d | � � | | _ d S( Nt polygonR� s .gift compounds There is no shape type %s( R� R� R� R� t basestringt lowert endswithR R RP R� t _data( R� t type_t data( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR A s ! c C sW | j d k r% t d | j � � n | d k r: | } n | j j | | | g � d S( s- Add component to a shape of type compound. Arguments: poly is a polygon, i. e. a tuple of number pairs. fill is the fillcolor of the component, outline is the outline color of the component. call (for a Shapeobject namend s): -- s.addcomponent(((0,0), (10,10), (-10,10)), "red", "blue") Example: >>> poly = ((0,0),(10,-5),(0,10),(-10,-5)) >>> s = Shape("compound") >>> s.addcomponent(poly, "red", "blue") >>> # .. add more components and then use register_shape() R� s Cannot add component to %s ShapeN( R� R� R� R� RY ( R� t polyR: RV ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt addcomponentQ s N( R� R� R� R� R R� ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR : s t Tbufferc B sJ e Z d Z d d � Z d d � Z d � Z d � Z d � Z d � Z RS( s5 Ring buffer used as undobuffer for RawTurtle objects.i c C s2 | | _ d g g | | _ d | _ t | _ d S( Ni����( t bufsizeR� t buffert ptrR� t cumulate( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR k s c C sb | d k r9 xF t | j � D] } d g | j | <q Wn | | _ d g g | | _ d | _ d S( Ni����( R� R� R� R� R� ( R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRX p s c C s` | j d k r\ | j sB | j d | j | _ | | j | j <q\ | j | j j | � n d S( Ni i ( R� R� R� R� RY ( R� Ri ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt pushx s c C sd | j d k r` | j | j } | d k r/ d Sd g | j | j <| j d | j | _ | Sn d S( Ni i ( R� R� R� R� ( R� Ri ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt pop s c C s | j | j j d g � S( N( R� R� t countR� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt nr_of_items� s c C s t | j � d t | j � S( Nt ( t strR� R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s N( R� R� R� R R� RX R� R� R� R� ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� i s c B sO e Z d Z e Z e d e d e d d � Z d � Z d d � Z d � Z d d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d d d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d d � Z d � Z d d d � Z d d � Z d d � Z d d d d � Z e Z e Z! e Z" e Z# RS( s� Provides screen oriented methods like setbg etc. Only relies upon the methods of TurtleScreenBase and NOT upon components of the underlying graphics toolkit - which is Tkinter in this case. R R R c C s� i t d d/ d0 d1 f � d 6t d d2 d3 d4 d5 d6 d7 d8 d9 d: d; d< d= d> d? d@ dA dB dC dD dE dF dG dH dI f � d 6t d dJ dK dL dM dN dO dP dQ dR dS dT dU dV dW dX dY dZ d[ d\ d] f � d$ 6t d d^ d_ d` da f � d% 6t d db dc dd f � d( 6t d de df dg dh f � d) 6t d* | j � � d+ 6| _ i d, d- 6| _ t j | | � | | _ | | _ t d. | _ g | _ | j � d S(i NR� i����i i t arrowi i����i i����i����i i����i i����i i����i i i����i����i����i i i R� g��Q� #@g� ��Q�@g�G�z. @g��Q� �@g� ��Q��g��Q� ��g�G�z. �g��Q� #�g �g $�R- t squareg�G�z�g�����'@t triangleR� R� RL R� t nopicR ( i����i ( i i ( i i ( i i ( i����i ( i����i ( i����i ( i����i ( i����i ( i����i ( i����i ( i����i����( i����i����( i����i����( i����i����( i i����( i i����( i i����( i i����( i i����( i i ( i i ( i i ( i i ( i i ( i i ( i i ( i i ( g��Q� #@g� ��Q�@( g�G�z. @g��Q� �@( g��Q� �@g�G�z. @( g� ��Q�@g��Q� #@( i i ( g� ��Q��g��Q� #@( g��Q� ��g�G�z. @( g�G�z. �g��Q� �@( g��Q� #�g� ��Q�@( i����i ( g��Q� #�g� ��Q��( g�G�z. �g��Q� ��( g��Q� ��g�G�z. �( g� ��Q��g��Q� #�( g �g $�( g� ��Q�@g��Q� #�( g��Q� �@g�G�z. �( g�G�z. @g��Q� ��( g��Q� #@g� ��Q��( i i����( i i ( i����i ( i����i����( i g�G�z�( i g�����'@( i����g�G�z�( i i ( i����i����( i i����( i i����( R RN t _shapest _bgpicsRJ R t _modet _delayvalueR� t _colormodet _keysR. ( R� RQ R R R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s4 c C s� t d | _ t d | _ | j d � | j d � | _ d | _ d | _ d | _ g | _ | j d � x d D] } | j d | � qq Wx" | j D] } | j d | � q� Wd t _ d S( sq Delete all drawings and all turtles from the TurtleScreen. Reset empty TurtleScreen to its initial state: white background, no backgroundimage, no eventbindings and tracing on. No argument. Example (for a TurtleScreen instance named screen): >>> screen.clear() Note: this method is not available as function. R R t allR� R� i i R� i i N( i i i ( R� R� R� Rj R� t _bgpict _bgpicnamet _tracingt _updatecountert _turtlesR RJ R� R� R R t _pen( R� t btnR� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR. � s c C s� | d k r | j S| j � } | d k r> t d | � � n | | _ | d k r� | j | j d | j d | j d | j d � d | _ | _ n | j � d S( sh Set turtle-mode ('standard', 'logo' or 'world') and perform reset. Optional argument: mode -- one of the strings 'standard', 'logo' or 'world' Mode 'standard' is compatible with turtle.py. Mode 'logo' is compatible with most Logo-Turtle-Graphics. Mode 'world' uses userdefined 'worldcoordinates'. *Attention*: in this mode angles appear distorted if x/y unit-ratio doesn't equal 1. If mode is not given, return the current mode. Mode Initial turtle heading positive angles ------------|-------------------------|------------------- 'standard' to the right (east) counterclockwise 'logo' upward (north) clockwise Examples: >>> mode('logo') # resets turtle heading to north >>> mode() 'logo' R� t logot worlds No turtle-graphics-mode %si g �?N( R� R� R� ( R� R� ( R� R� R� R� R� R� R� RR RS RX ( R� R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s c C s | j � d k r" | j d � n t | | � } t | | � } | j � \ } } | j | d | d � | j | j } } | j | | _ | j | | _ | | j } | | j } | j | } | j | } | j | | | | � | j | j | | j | � | j � d S( ss Set up a user defined coordinate-system. Arguments: llx -- a number, x-coordinate of lower left corner of canvas lly -- a number, y-coordinate of lower left corner of canvas urx -- a number, x-coordinate of upper right corner of canvas ury -- a number, y-coordinate of upper right corner of canvas Set up user coodinat-system and switch to mode 'world' if necessary. This performs a screen.reset. If mode 'world' is already active, all drawings are redrawn according to the new coordinates. But ATTENTION: in user-defined coordinatesystems angles may appear distorted. (see Screen.mode()) Example (for a TurtleScreen instance named screen): >>> screen.setworldcoordinates(-10,-0.5,50,1.5) >>> for _ in range(36): ... left(10) ... forward(0.5) R� i N( R R� R� R RR RS R� R� R� R� R% ( R� t llxt llyt urxt uryt xspant yspant wxt wyt oldxscalet oldyscaleR� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR! � s c C s� | d k rO | j � j d � r< t d | j | � � } qp t d d � � n! t | t � rp t d | � } n | | j | <d S( s� Adds a turtle shape to TurtleScreen's shapelist. Arguments: (1) name is the name of a gif-file and shape is None. Installs the corresponding image shape. !! Image-shapes DO NOT rotate when turning the turtle, !! so they do not display the heading of the turtle! (2) name is an arbitrary string and shape is a tuple of pairs of coordinates. Installs the corresponding polygon shape (3) name is an arbitrary string and shape is a (compound) Shape object. Installs the corresponding compound shape. To use a shape, you have to issue the command shape(shapename). call: register_shape("turtle.gif") --or: register_shape("tri", ((0,0), (10,10), (-10,10))) Example (for a TurtleScreen instance named screen): >>> screen.register_shape("triangle", ((5,-3),(0,5),(-5,-3))) s .gifR� s" Bad arguments for register_shape. s Use help(register_shape)R� N( R� R� R� R RP R� R� R� R� ( R� t nameRc ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR s c C sn t | � d k r | d } n t | t � rf | j | � sI | d k rM | St d t | � � � n y | \ } } } Wn- t t f k r� t d t | � � � n X| j d k r� g | | | f D] } t d | � ^ q� \ } } } n d | k od k n oAd | k o#d k n oAd | k o?d k n s]t d t | � � � n d | | | f S( s Return color string corresponding to args. Argument may be a string or a tuple of three numbers corresponding to actual colormode, i.e. in the range 0<=n<=colormode. If the argument doesn't represent a color, an error is raised. i i R� s bad color string: %ss bad color arguments: %sg �?g �o@i� s bad color sequence: %ss #%02x%02x%02x( R� R� R� Rr R� R� t TypeErrorR� R� t round( R� R2 R� t gt bR� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _colorstrB s 8Tc C s� | j d � s | St | � d k rU g d D] } t | | | d !d � ^ q, } nS t | � d k r� g | d D] } d t | | d � ^ qr } n t d | � � t g | D] } | | j d ^ q� � S( NR� i i i i i i i s bad colorstring: %si� ( i i i ( R� R� R� R� R� R� ( R� t cstrR� R` RU R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _color] s 01c C sS | d k r | j S| d k r1 t | � | _ n | d k rO t | � | _ n d S( sq Return the colormode or set it to 1.0 or 255. Optional argument: cmode -- one of the values 1.0 or 255 r, g, b values of colortriples have to be in range 0..cmode. Example (for a TurtleScreen instance named screen): >>> screen.colormode() 1.0 >>> screen.colormode(255) >>> pencolor(240,160,80) g �?i� N( R� R� R� R� ( R� t cmode( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR h s c C s2 x+ | j D] } | j | j � | j � q Wd S( s� Reset all Turtles on the Screen to their initial state. No argument. Example (for a TurtleScreen instance named screen): >>> screen.reset() N( R� t _setmodeR� RX ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRX } s c C s | j S( s� Return the list of turtles on the screen. Example (for a TurtleScreen instance named screen): >>> screen.turtles() [<turtle.Turtle object at 0x00E11FB0>] ( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR$ � s c G sO | r | j | � } n d } | j | � } | d k rK | j | � } n | S( s� Set or return backgroundcolor of the TurtleScreen. Arguments (if given): a color string or three numbers in the range 0..colormode or a 3-tuple of such numbers. Example (for a TurtleScreen instance named screen): >>> screen.bgcolor("orange") >>> screen.bgcolor() 'orange' >>> screen.bgcolor(0.5,0,0.5) >>> screen.bgcolor() '#800080' N( R� R� Rs R� ( R� R2 R2 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s c C sc | d k r | j St | � | _ d | _ | d k rI t | � | _ n | j r_ | j � n d S( se Turns turtle animation on/off and set delay for update drawings. Optional arguments: n -- nonnegative integer delay -- nonnegative integer If n is given, only each n-th regular screen update is really performed. (Can be used to accelerate the drawing of complex graphics.) Second arguments sets delay value (see RawTurtle.delay()) Example (for a TurtleScreen instance named screen): >>> screen.tracer(8, 25) >>> dist = 2 >>> for i in range(200): ... fd(dist) ... rt(90) ... dist += 2 i N( R� R� R� R� R� R% ( R� t nR ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR# � s c C s& | d k r | j St | � | _ d S( s� Return or set the drawing delay in milliseconds. Optional argument: delay -- positive integer Example (for a TurtleScreen instance named screen): >>> screen.delay(15) >>> screen.delay() 15 N( R� R� R� ( R� R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s c C sR t j s t t _ t � n | j d k rN | j d 7_ | j | j ;_ n d S( s Increment update counter.i i N( R t _RUNNINGR� R� R� R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _incrementudc� s c C sT | j } t | _ x( | j � D] } | j � | j � q W| | _ | j � d S( s' Perform a TurtleScreen update. N( R� R� R$ t _update_datat _drawturtleRk ( R� t tracingR� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR% � s c C s | j � d S( s� Return the width of the turtle window. Example (for a TurtleScreen instance named screen): >>> screen.window_width() 640 i ( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR' � s c C s | j � d S( s� Return the height of the turtle window. Example (for a TurtleScreen instance named screen): >>> screen.window_height() 480 i ( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR& � s c C s | j S( s� Return the Canvas of this TurtleScreen. No argument. Example (for a Screen instance named screen): >>> cv = screen.getcanvas() >>> cv <turtle.ScrolledCanvas instance at 0x010742D8> ( RQ ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s c C s t | j j � � S( s� Return a list of names of all currently available turtle shapes. No argument. Example (for a TurtleScreen instance named screen): >>> screen.getshapes() ['arrow', 'blank', 'circle', ... , 'turtle'] ( t sortedR� R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR s i c C s | j | | | � d S( s Bind fun to mouse-click event on canvas. Arguments: fun -- a function with two arguments, the coordinates of the clicked point on the canvas. btn -- the number of the mouse-button, defaults to 1 Example (for a TurtleScreen instance named screen and a Turtle instance named turtle): >>> screen.onclick(goto) >>> # Subsequently clicking into the TurtleScreen will >>> # make the turtle move to the clicked point. >>> screen.onclick(None) N( R� ( R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRJ s c C sg | d k r1 | | j k rS | j j | � qS n" | | j k rS | j j | � n | j | | � d S( sm Bind fun to key-release event of key. Arguments: fun -- a function with no arguments key -- a string: key (e.g. "a") or key-symbol (e.g. "space") In order to be able to register key-events, TurtleScreen must have focus. (See method listen.) Example (for a TurtleScreen instance named screen): >>> def f(): ... fd(50) ... lt(60) ... >>> screen.onkey(f, "Up") >>> screen.listen() Subsequently the turtle can be moved by repeatedly pressing the up-arrow key, consequently drawing a hexagon N( R� R� t removeRY R� ( R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR # s c C s | j � d S( s Set focus on TurtleScreen (in order to collect key-events) No arguments. Dummy arguments are provided in order to be able to pass listen to the onclick method. Example (for a TurtleScreen instance named screen): >>> screen.listen() N( R� ( R� t xdummyt ydummy( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR A s i c C s | j | | � d S( s� Install a timer, which calls fun after t milliseconds. Arguments: fun -- a function with no arguments. t -- a number >= 0 Example (for a TurtleScreen instance named screen): >>> running = True >>> def f(): ... if running: ... fd(50) ... lt(60) ... screen.ontimer(f, 250) ... >>> f() # makes the turtle marching around >>> running = False N( R� ( R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR M s c C sb | d k r | j S| | j k r; | j | � | j | <n | j | j | j | � | | _ d S( sF Set background image or return name of current backgroundimage. Optional argument: picname -- a string, name of a gif-file or "nopic". If picname is a filename, set the corresponding image as background. If picname is "nopic", delete backgroundimage, if present. If picname is None, return the filename of the current backgroundimage. Example (for a TurtleScreen instance named screen): >>> screen.bgpic() 'nopic' >>> screen.bgpic("landscape.gif") >>> screen.bgpic() 'landscape.gif' N( R� R� R� RP R� R� ( R� t picname( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR b s c C s | j | | | � S( s� Resize the canvas the turtles are drawing on. Optional arguments: canvwidth -- positive integer, new width of canvas in pixels canvheight -- positive integer, new height of canvas in pixels bg -- colorstring or color-tuple, new backgroundcolor If no arguments are given, return current (canvaswidth, canvasheight) Do not alter the drawing window. To observe hidden parts of the canvas use the scrollbars. (Can make visible those parts of a drawing, which were outside the canvas before!) Example (for a Turtle instance named turtle): >>> turtle.screensize(2000,1500) >>> # e. g. to search for an erroneously escaped turtle ;-) ( R� ( R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR z s N($ R� R� R� R� R� R� R R. R� R R! R R� R� R RX R$ R R# R R� R% R' R& R R RJ R R R R R R R R R ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s@ " ' $ t TNavigatorc B s� e Z d Z i e d d � d 6e d d � d 6e d d � d 6Z d Z d Z d Z e d � Z d � Z d% d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d% d � Z d � Z d � Z d � Z d% d � Z d% d � Z d � Z d � Z d% d% d! � Z! d d" � Z" d% d% d# � Z# d% d$ � Z$ e Z% e Z& e Z' e Z( e Z) e Z* e Z+ e Z, e Z- RS(& sR Navigation part of the RawTurtle. Implements methods for turtle movement. g �?g R� R� R� i i c C s[ | j | _ | j | _ | | _ d | _ | j � d | _ | j | � t j | � d S( N( t DEFAULT_ANGLEOFFSETt _angleOffsett DEFAULT_ANGLEORIENTt _angleOrientR� R� t undobufferR3 R� R� RX ( R� R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s c C s) t d d � | _ t j | j | _ d S( sX reset turtle to its initial values Will be overwritten by parent class g N( R t _positionR� t START_ORIENTATIONR� t _orient( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRX � s c C sj | d k r | j S| d k r# d S| | _ | d k rM d | _ d | _ n | j d | _ d | _ d S( s: Set turtle-mode to 'standard', 'world' or 'logo'. R� R� R� Ni i g @i����( R� R� R� ( R� R� ( R� R� R� R� t _fullcircle( R� R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s c C sB | | _ d | | _ | j d k r1 d | _ n | d | _ d S( s+ Helper function for degrees() and radians()ih R� i g @N( R t _degreesPerAUR� R� ( R� t fullcircle( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _setDegreesPerAU� s g �v@c C s | j | � d S( s> Set angle measurement units to degrees. Optional argument: fullcircle - a number Set angle measurement units, i. e. set number of 'degrees' for a full circle. Dafault value is 360 degrees. Example (for a Turtle instance named turtle): >>> turtle.left(90) >>> turtle.heading() 90 Change angle measurement unit to grad (also known as gon, grade, or gradian and equals 1/100-th of the right angle.) >>> turtle.degrees(400.0) >>> turtle.heading() 100 N( R ( R� R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR3 � s c C s | j d t j � d S( s Set the angle measurement units to radians. No arguments. Example (for a Turtle instance named turtle): >>> turtle.heading() 90 >>> turtle.radians() >>> turtle.heading() 1.5707963267948966 i N( R R� R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRV � s c C s% | j | j | } | j | � d S( s) move turtle forward by specified distanceN( R� R� t _goto( R� R4 t ende( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _go� s c C s& | | j 9} | j j | � | _ d S( s= Turn turtle counterclockwise by specified angle if angle > 0.N( R R� R� ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _rotate� s c C s | | _ d S( s move turtle to position end.N( R� ( R� t end( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s c C s | j | � d S( s Move the turtle forward by the specified distance. Aliases: forward | fd Argument: distance -- a number (integer or float) Move the turtle forward by the specified distance, in the direction the turtle is headed. Example (for a Turtle instance named turtle): >>> turtle.position() (0.00, 0.00) >>> turtle.forward(25) >>> turtle.position() (25.00,0.00) >>> turtle.forward(-75) >>> turtle.position() (-50.00,0.00) N( R ( R� R4 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR< � s c C s | j | � d S( s� Move the turtle backward by distance. Aliases: back | backward | bk Argument: distance -- a number Move the turtle backward by distance ,opposite to the direction the turtle is headed. Do not change the turtle's heading. Example (for a Turtle instance named turtle): >>> turtle.position() (0.00, 0.00) >>> turtle.backward(30) >>> turtle.position() (-30.00, 0.00) N( R ( R� R4 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR( s c C s | j | � d S( s� Turn turtle right by angle units. Aliases: right | rt Argument: angle -- a number (integer or float) Turn turtle right by angle units. (Units are by default degrees, but can be set via the degrees() and radians() functions.) Angle orientation depends on mode. (See this.) Example (for a Turtle instance named turtle): >>> turtle.heading() 22.0 >>> turtle.right(45) >>> turtle.heading() 337.0 N( R ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRW ' s c C s | j | � d S( s� Turn turtle left by angle units. Aliases: left | lt Argument: angle -- a number (integer or float) Turn turtle left by angle units. (Units are by default degrees, but can be set via the degrees() and radians() functions.) Angle orientation depends on mode. (See this.) Example (for a Turtle instance named turtle): >>> turtle.heading() 22.0 >>> turtle.left(45) >>> turtle.heading() 67.0 N( R ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRH < s c C s | j S( s� Return the turtle's current location (x,y), as a Vec2D-vector. Aliases: pos | position No arguments. Example (for a Turtle instance named turtle): >>> turtle.pos() (0.00, 240.00) ( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRS Q s c C s | j d S( s� Return the turtle's x coordinate. No arguments. Example (for a Turtle instance named turtle): >>> reset() >>> turtle.left(60) >>> turtle.forward(100) >>> print turtle.xcor() 50.0 i ( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRr ^ s c C s | j d S( s Return the turtle's y coordinate --- No arguments. Example (for a Turtle instance named turtle): >>> reset() >>> turtle.left(60) >>> turtle.forward(100) >>> print turtle.ycor() 86.6025403784 i ( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRs l s c C s< | d k r" | j t | � � n | j t | | � � d S( st Move turtle to an absolute position. Aliases: setpos | setposition | goto: Arguments: x -- a number or a pair/vector of numbers y -- a number None call: goto(x, y) # two coordinates --or: goto((x, y)) # a pair (tuple) of coordinates --or: goto(vec) # e.g. as returned by pos() Move turtle to an absolute position. If the pen is down, a line will be drawn. The turtle's orientation does not change. Example (for a Turtle instance named turtle): >>> tp = turtle.pos() >>> tp (0.00, 0.00) >>> turtle.setpos(60,30) >>> turtle.pos() (60.00,30.00) >>> turtle.setpos((20,80)) >>> turtle.pos() (20.00,80.00) >>> turtle.setpos(tp) >>> turtle.pos() (0.00,0.00) N( R� R R ( R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRA { s c C s! | j d d � | j d � d S( s$ Move turtle to the origin - coordinates (0,0). No arguments. Move turtle to the origin - coordinates (0,0) and set its heading to its start-orientation (which depends on mode). Example (for a Turtle instance named turtle): >>> turtle.home() i N( RA R\ ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRD � s c C s! | j t | | j d � � d S( s� Set the turtle's first coordinate to x Argument: x -- a number (integer or float) Set the turtle's first coordinate to x, leave second coordinate unchanged. Example (for a Turtle instance named turtle): >>> turtle.position() (0.00, 240.00) >>> turtle.setx(10) >>> turtle.position() (10.00, 240.00) i N( R R R� ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRa � s c C s! | j t | j d | � � d S( s� Set the turtle's second coordinate to y Argument: y -- a number (integer or float) Set the turtle's first coordinate to x, second coordinate remains unchanged. Example (for a Turtle instance named turtle): >>> turtle.position() (0.00, 40.00) >>> turtle.sety(-10) >>> turtle.position() (0.00, -10.00) i N( R R R� ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRb � s c C s� | d k r t | | � } n t | t � r6 | } n9 t | t � rT t | � } n t | t � ro | j } n t | | j � S( s� Return the distance from the turtle to (x,y) in turtle step units. Arguments: x -- a number or a pair/vector of numbers or a turtle instance y -- a number None None call: distance(x, y) # two coordinates --or: distance((x, y)) # a pair (tuple) of coordinates --or: distance(vec) # e.g. as returned by pos() --or: distance(mypen) # where mypen is another turtle Example (for a Turtle instance named turtle): >>> turtle.pos() (0.00, 0.00) >>> turtle.distance(30,40) 50.0 >>> pen = Turtle() >>> pen.forward(77) >>> turtle.distance(pen) 77.0 N( R� R R� R� R� R� t abs( R� R� R� RS ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR4 � s c C s� | d k r t | | � } n t | t � r6 | } n9 t | t � rT t | � } n t | t � ro | j } n | | j \ } } t t j | | � d t j d � d } | | j :} | j | j | | j S( sC Return the angle of the line from the turtle's position to (x, y). Arguments: x -- a number or a pair/vector of numbers or a turtle instance y -- a number None None call: distance(x, y) # two coordinates --or: distance((x, y)) # a pair (tuple) of coordinates --or: distance(vec) # e.g. as returned by pos() --or: distance(mypen) # where mypen is another turtle Return the angle, between the line from turtle-position to position specified by x, y and the turtle's start orientation. (Depends on modes - "standard" or "logo") Example (for a Turtle instance named turtle): >>> turtle.pos() (10.00, 10.00) >>> turtle.towards(0,0) 225.0 g �f@i g �v@N( R� R R� R� R� R� R� R� Rz R� R R� R� R ( R� R� R� RS t result( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRk � s * c C s_ | j \ } } t t j | | � d t j d � d } | | j :} | j | j | | j S( s� Return the turtle's current heading. No arguments. Example (for a Turtle instance named turtle): >>> turtle.left(67) >>> turtle.heading() 67.0 g �f@i g �v@( R� R� R� Rz R� R R� R� R ( R� R� R� R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRB s * c C sK | | j � | j } | j } | | d | | d } | j | � d S( s� Set the orientation of the turtle to to_angle. Aliases: setheading | seth Argument: to_angle -- a number (integer or float) Set the orientation of the turtle to to_angle. Here are some common directions in degrees: standard - mode: logo-mode: -------------------|-------------------- 0 - east 0 - north 90 - north 90 - east 180 - west 180 - south 270 - south 270 - west Example (for a Turtle instance named turtle): >>> turtle.setheading(90) >>> turtle.heading() 90 g @N( RB R� R R ( R� t to_angleR� t full( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR\ " s c C s� | j r+ | j j d g � t | j _ n | j � } | d k rO | j } n | d k r� t | � | j } d t t d t | � d d � | � } n d | | } d | } d | t j | t j d | j � } | d k r| | | } } } n | j � } | j � } | d k r:| j d d � n | j d � | j | � xH t | � D]: } | j | � | j | � | j d � | j | � qaW| j | � | d k r�| j | | � n | j | � | j r�t | j _ n d S( s� Draw a circle with given radius. Arguments: radius -- a number extent (optional) -- a number steps (optional) -- an integer Draw a circle with given radius. The center is radius units left of the turtle; extent - an angle - determines which part of the circle is drawn. If extent is not given, draw the entire circle. If extent is not a full circle, one endpoint of the arc is the current pen position. Draw the arc in counterclockwise direction if radius is positive, otherwise in clockwise direction. Finally the direction of the turtle is changed by the amount of extent. As the circle is approximated by an inscribed regular polygon, steps determines the number of steps to use. If not given, it will be calculated automatically. Maybe used to draw regular polygons. call: circle(radius) # full circle --or: circle(radius, extent) # arc --or: circle(radius, extent, steps) --or: circle(radius, steps=6) # 6-sided polygon Example (for a Turtle instance named turtle): >>> turtle.circle(50) >>> turtle.circle(120, 180) # semicircle t seqi i g @g �M@g �?g �?g @g �f@i N( R� R� R� R� Rf R� R R R� t minR� R� R� R R# Rm R R� R R� ( R� t radiust extentt stepsRf t fracRT t w2t lt trt dlR� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR- > s> . ) c C s d S( s/ dummy method - to be overwritten by child classN( ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRf R� c C s d S( s/ dummy method - to be overwritten by child classN( ( R� t aR� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR# � R� c C s d S( s/ dummy method - to be overwritten by child classN( ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRm � R� N(. R� R� R� R R� t DEFAULT_MODER� R� R RX R� R� R R3 RV R R R R< R( RW RH RS Rr Rs RA RD Ra Rb R4 Rk RB R\ R- Rf R# Rm R9 R, R) RZ RI RT R] R^ R[ ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � sZ # # A t TPenc B s e Z d Z e d d � Z e d e d d � Z d d � Z d d � Z d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d � Z e d � Z e e d � Z d � Z d � Z e Z e Z e Z e Z e Z e Z e Z RS( sF Drawing part of the RawTurtle. Implements drawing properties. RY c C s# | | _ d | _ t j | � d S( N( t _resizemodeR� R� R t _reset( R� RY ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s RO R; c C sU d | _ t | _ | | _ | | _ t | _ d | _ d | _ d | _ d | _ d S( Ni i i ( i i ( t _pensizeR� t _shownt _pencolort _fillcolort _drawingt _speedt _stretchfactort _tiltt _outlinewidth( R� RO R; ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s c C sB | d k r | j S| j � } | d k r> | j d | � n d S( sz Set resizemode to one of the values: "auto", "user", "noresize". (Optional) Argument: rmode -- one of the strings "auto", "user", "noresize" Different resizemodes have the following effects: - "auto" adapts the appearance of the turtle corresponding to the value of pensize. - "user" adapts the appearance of the turtle according to the values of stretchfactor and outlinewidth (outline), which are set by shapesize() - "noresize" no adaption of the turtle's appearance takes place. If no argument is given, return current resizemode. resizemode("user") is called by a call of shapesize with arguments. Examples (for a Turtle instance named turtle): >>> turtle.resizemode("noresize") >>> turtle.resizemode() 'noresize' t autot userR� RY N( R% R& R� ( R� R R� RN ( R� t rmode( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRY � s c C s' | d k r | j S| j d | � d S( s! Set or return the line thickness. Aliases: pensize | width Argument: width -- positive number Set the line thickness to width or return it. If resizemode is set to "auto" and turtleshape is a polygon, that polygon is drawn with the same line thickness. If no argument is given, current pensize is returned. Example (for a Turtle instance named turtle): >>> turtle.pensize() 1 >>> turtle.pensize(10) # from here on lines of width 10 are drawn RQ N( R� R RN ( R� Rp ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRQ � s c C s! | j s d S| j d t � d S( s� Pull the pen up -- no drawing when moving. Aliases: penup | pu | up No argument Example (for a Turtle instance named turtle): >>> turtle.penup() NRP ( R RN R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRR � s c C s! | j r d S| j d t � d S( s� Pull the pen down -- drawing when moving. Aliases: pendown | pd | down No argument. Example (for a Turtle instance named turtle): >>> turtle.pendown() NRP ( R RN R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRP � s c C s | j S( s Return True if pen is down, False if it's up. No argument. Example (for a Turtle instance named turtle): >>> turtle.penup() >>> turtle.isdown() False >>> turtle.pendown() >>> turtle.isdown() True ( R ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRF � s c C s� i d d 6d d 6d d 6d d 6d d 6} | d k r< | j S| | k rU | | } n7 d | k ol d k n r� t t | � � } n d } | j d | � d S( s� Return or set the turtle's speed. Optional argument: speed -- an integer in the range 0..10 or a speedstring (see below) Set the turtle's speed to an integer value in the range 0 .. 10. If no argument is given: return current speed. If input is a number greater than 10 or smaller than 0.5, speed is set to 0. Speedstrings are mapped to speedvalues in the following way: 'fastest' : 0 'fast' : 10 'normal' : 6 'slow' : 3 'slowest' : 1 speeds from 1 to 10 enforce increasingly faster animation of line drawing and turtle turning. Attention: speed = 0 : *no* animation takes place. forward/back makes turtle jump and likewise left/right make the turtle turn instantly. Example (for a Turtle instance named turtle): >>> turtle.speed(3) i t fastesti t fasti t normali t slowi t slowestg �?g %@Rf N( R� R! R� R� RN ( R� Rf t speeds( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRf s ) c G s� | r� t | � } | d k r/ | d } } n4 | d k rJ | \ } } n | d k rc | } } n | j | � } | j | � } | j d | d | � n" | j | j � | j | j � f Sd S( s� Return or set the pencolor and fillcolor. Arguments: Several input formats are allowed. They use 0, 1, 2, or 3 arguments as follows: color() Return the current pencolor and the current fillcolor as a pair of color specification strings as are returned by pencolor and fillcolor. color(colorstring), color((r,g,b)), color(r,g,b) inputs as in pencolor, set both, fillcolor and pencolor, to the given value. color(colorstring1, colorstring2), color((r1,g1,b1), (r2,g2,b2)) equivalent to pencolor(colorstring1) and fillcolor(colorstring2) and analogously, if the other input format is used. If turtleshape is a polygon, outline and interior of that polygon is drawn with the newly set colors. For mor info see: pencolor, fillcolor Example (for a Turtle instance named turtle): >>> turtle.color('red', 'green') >>> turtle.color() ('red', 'green') >>> colormode(255) >>> color((40, 80, 120), (160, 200, 240)) >>> color() ('#285078', '#a0c8f0') i i i i RO R; N( R� R� RN R� R R ( R� R2 R t pcolort fcolor( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR2 + s c G sO | r; | j | � } | | j k r( d S| j d | � n | j | j � Sd S( sZ Return or set the pencolor. Arguments: Four input formats are allowed: - pencolor() Return the current pencolor as color specification string, possibly in hex-number format (see example). May be used as input to another color/pencolor/fillcolor call. - pencolor(colorstring) s is a Tk color specification string, such as "red" or "yellow" - pencolor((r, g, b)) *a tuple* of r, g, and b, which represent, an RGB color, and each of r, g, and b are in the range 0..colormode, where colormode is either 1.0 or 255 - pencolor(r, g, b) r, g, and b represent an RGB color, and each of r, g, and b are in the range 0..colormode If turtleshape is a polygon, the outline of that polygon is drawn with the newly set pencolor. Example (for a Turtle instance named turtle): >>> turtle.pencolor('brown') >>> tup = (0.2, 0.8, 0.55) >>> turtle.pencolor(tup) >>> turtle.pencolor() '#33cc8c' NRO ( R� R RN R� ( R� R2 R2 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRO Y s c G sO | r; | j | � } | | j k r( d S| j d | � n | j | j � Sd S( s] Return or set the fillcolor. Arguments: Four input formats are allowed: - fillcolor() Return the current fillcolor as color specification string, possibly in hex-number format (see example). May be used as input to another color/pencolor/fillcolor call. - fillcolor(colorstring) s is a Tk color specification string, such as "red" or "yellow" - fillcolor((r, g, b)) *a tuple* of r, g, and b, which represent, an RGB color, and each of r, g, and b are in the range 0..colormode, where colormode is either 1.0 or 255 - fillcolor(r, g, b) r, g, and b represent an RGB color, and each of r, g, and b are in the range 0..colormode If turtleshape is a polygon, the interior of that polygon is drawn with the newly set fillcolor. Example (for a Turtle instance named turtle): >>> turtle.fillcolor('violet') >>> col = turtle.pencolor() >>> turtle.fillcolor(col) >>> turtle.fillcolor(0, .5, 0) NR; ( R� R RN R� ( R� R2 R2 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR; ~ s c C s | j d t � d S( s� Makes the turtle visible. Aliases: showturtle | st No argument. Example (for a Turtle instance named turtle): >>> turtle.hideturtle() >>> turtle.showturtle() t shownN( RN R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRe � s c C s | j d t � d S( sY Makes the turtle invisible. Aliases: hideturtle | ht No argument. It's a good idea to do this while you're in the middle of a complicated drawing, because hiding the turtle speeds up the drawing observably. Example (for a Turtle instance named turtle): >>> turtle.hideturtle() R0 N( RN R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRC � s c C s | j S( s� Return True if the Turtle is shown, False if it's hidden. No argument. Example (for a Turtle instance named turtle): >>> turtle.hideturtle() >>> print turtle.isvisible(): False ( R ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRG � s c K s9 i | j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6} | ps | sz | St | t � r� | } n i } | j | � i } x | D] } | | | | <q� W| j r� | j j d | f � n t } d | k r | j | d k r t } q n d | k rxt | d t � rY| j | d f � | d <n | j | d k rxt } qxn d | k r�| j | d k r�t } q�n | r�| j � n d | k r�| d | _ n d | k r�| d | _ n d | k r | d | _ n d | k rVt | d t � rF| j | d f � | d <n | d | _ n d | k rr| d | _ n d | k r�| d | _ n d | k r�| d } t | t t t f � r�| | f } n | | _ n d | k r�| d | _ n d | k r| d | _ n d | k r+| d | _ n | j � d S( s� Return or set the pen's attributes. Arguments: pen -- a dictionary with some or all of the below listed keys. **pendict -- one or more keyword-arguments with the below listed keys as keywords. Return or set the pen's attributes in a 'pen-dictionary' with the following key/value pairs: "shown" : True/False "pendown" : True/False "pencolor" : color-string or color-tuple "fillcolor" : color-string or color-tuple "pensize" : positive number "speed" : number in range 0..10 "resizemode" : "auto" or "user" or "noresize" "stretchfactor": (positive number, positive number) "outline" : positive number "tilt" : number This dictionary can be used as argument for a subsequent pen()-call to restore the former pen-state. Moreover one or more of these attributes can be provided as keyword-arguments. This can be used to set several pen attributes in one statement. Examples (for a Turtle instance named turtle): >>> turtle.pen(fillcolor="black", pencolor="red", pensize=10) >>> turtle.pen() {'pensize': 10, 'shown': True, 'resizemode': 'auto', 'outline': 1, 'pencolor': 'red', 'pendown': True, 'fillcolor': 'black', 'stretchfactor': (1,1), 'speed': 3} >>> penstate=turtle.pen() >>> turtle.color("yellow","") >>> turtle.penup() >>> turtle.pen() {'pensize': 10, 'shown': True, 'resizemode': 'auto', 'outline': 1, 'pencolor': 'yellow', 'pendown': False, 'fillcolor': '', 'stretchfactor': (1,1), 'speed': 3} >>> p.pen(penstate, fillcolor="green") >>> p.pen() {'pensize': 10, 'shown': True, 'resizemode': 'auto', 'outline': 1, 'pencolor': 'red', 'pendown': True, 'fillcolor': 'green', 'stretchfactor': (1,1), 'speed': 3} R0 RP RO R; RQ Rf RY t stretchfactorRV Ri RN N( R R R R R R! R R" R$ R# R� t dictR% R� R� R� R� R� R� t _newLineR� R� R� Rk ( R� RN t pendictt _pdt pt _p_bufR� t newLinet sf( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRN � sz . c C s d S( s/ dummy method - to be overwritten by child classN( ( R� t usePos( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR3 @ R� c C s d S( s/ dummy method - to be overwritten by child classN( ( R� R� t forced( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRk B R� c C s d S( s/ dummy method - to be overwritten by child classN( ( R� R2 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� D R� c C s d S( s/ dummy method - to be overwritten by child classN( ( R� R2 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� F R� N(! R� R� R� R� R R R� RY RQ RR RP RF Rf R2 RO R; Re RC RG RN R� R3 R� Rk R� R� Rp Ro RU RM R6 Rg RE ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s8 & . % $ u t _TurtleImagec B s e Z d Z d � Z d � Z RS( s6 Helper class: Datatype to store Turtle attributes c C s# | | _ d | _ | j | � d S( N( R� R� R� t _setshape( R� R� t shapeIndex( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR V s c C se | j } | | _ | j d k o6 | j | j k n r? d S| j d k oc | j | j k n rl d S| j d k r� | j | j � n3 | j d k r� x! | j D] } | j | � q� Wn | j | j | _ | j d k r� | j � | _ nl | j d k r#| j | j d j � | _ n> | j d k rag | j | j D] } | j � ^ qC| _ n d S( NR� R� R� RL ( R� R� ( R� R> R� R� Rj t _itemRX R� R� ( R� R> R� Ri ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR= [ s& )) ( R� R� R� R R= ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR< R s c B s e Z d Z g Z d8 e d e d e d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d8 d8 d � Z d � Z d � Z d � Z d � Z d8 d � Z d8 d8 d8 d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d8 d � Z d � Z d � Z d � Z e! d � Z" d8 d � Z# d! � Z$ d" � Z% d8 d# � Z& d$ � Z' e( d% d9 d) � Z) d* � Z* d+ � Z+ d, � Z, d- � Z- d. � Z. e. Z/ d/ � Z0 d0 � Z1 d8 d1 � Z2 d2 d8 d3 � Z3 d2 d8 d4 � Z4 d2 d8 d5 � Z5 d6 � Z6 d7 � Z7 e Z8 RS(: sv Animation part of the RawTurtle. Puts RawTurtle upon a TurtleScreen and provides tools for its animation. Rc R� R� c C s� t | t � r | | _ n� t | t � rX | t j k rL t j j | � n | | _ nz t | t t f � r� xb t j D]" } | j | k rw | | _ Pqw qw Wt | � | _ t j j | j � n t d | � � | j } t j | | j � � t j | � | j j | � | j � | _ t | | � | _ d | _ t | _ d | _ | _ | | _ t | _ | j � | _ | j g | _ | j g | _ g | _ | | _! t" | � | _# | j$ � d S( Ns bad canvas argument %s(% R� t _ScreenR� R R t screensRY R R RQ R� R� R R R R� Re t drawingLineItemR< R� R� t _polyR� t _creatingPolyt _fillitemt _fillpathR t _hidden_from_screent currentLineItemR� t currentLineR� t stampItemst _undobuffersizeR� R� Rk ( R� t canvasRc R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR x s@ c C s< t j | � t j | � | j � | j � | j � d S( s� Delete the turtle's drawings and restore its default values. No argument. , Delete the turtle's drawings from the screen, re-center the turtle and set variables to the default values. Example (for a Turtle instance named turtle): >>> turtle.position() (0.00,-22.00) >>> turtle.heading() 100.0 >>> turtle.reset() >>> turtle.position() (0.00,0.00) >>> turtle.heading() 0.0 N( R� RX R R t _clearR� Rk ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRX � s c C s7 | d k s | d k r$ d | _ n t | � | _ d S( s� Set or disable undobuffer. Argument: size -- an integer or None If size is an integer an empty undobuffer of given size is installed. Size gives the maximum number of turtle-actions that can be undone by the undo() function. If size is None, no undobuffer is present. Example (for a Turtle instance named turtle): >>> turtle.setundobuffer(42) i N( R� R� R� ( R� t size( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR` � s c C s | j d k r d S| j j � S( s� Return count of entries in the undobuffer. No argument. Example (for a Turtle instance named turtle): >>> while undobufferentries(): ... undo() i N( R� R� R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRn � s c C s� d | _ | _ x! | j D] } | j j | � q W| j j � | _ g | _ | j rn | j j | j � n | j g | _ | j � | j | j � d S( s Delete all of pen's drawingsN( R� RE RF R� R� Rj Re RH RI R RY R� R0 R` RK ( R� Ri ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRM � s c C s | j � | j � d S( sg Delete the turtle's drawings from the screen. Do not move turtle. No arguments. Delete the turtle's drawings from the screen. Do not move turtle. State and position of the turtle as well as drawings of other turtles are not affected. Examples (for a Turtle instance named turtle): >>> turtle.clear() N( RM Rk ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR. � s c C sd | j j � | j j d k r# d St | j � d k r` | j j | j | j | j | j � n d S( Ni i ( R� R� R� R� RI Rg RH R R ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s c C s� | j } | j d k r d S| j d k r\ | j � | j � | j � | j | j � nG | j � | j d k r� x | j � D] } | j � q� W| j � n d S( s& Perform a Turtle-data update. i Ni ( R� R� R� R� Rk Rm R� R� R$ ( R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRk � s c C s | j j | | � S( sm Turns turtle animation on/off and set delay for update drawings. Optional arguments: n -- nonnegative integer delay -- nonnegative integer If n is given, only each n-th regular screen update is really performed. (Can be used to accelerate the drawing of complex graphics.) Second arguments sets delay value (see RawTurtle.delay()) Example (for a Turtle instance named turtle): >>> turtle.tracer(8, 25) >>> dist = 2 >>> for i in range(200): ... turtle.fd(dist) ... turtle.rt(90) ... dist += 2 ( R� R# ( R� t flagR ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR# s c C s | j j | � S( N( R� R� ( R� R2 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� % s c C s | j j | � S( N( R� R� ( R� R2 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� ( s c C s t | t � r | Sy | \ } } } Wn- t t f k rU t d t | � � � n X| j j d k r� g | | | f D] } t d | � ^ qx \ } } } n d | k o� d k n o� d | k o� d k n o� d | k o� d k n s t d t | � � � n d | | | f S( s, Convert colortriples to hexstrings. s bad color arguments: %sg �?g �o@i i� s bad color sequence: %ss #%02x%02x%02x( R� R� R� R� R� R� R� R� R� ( R� R2 R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _cc+ s 8Tc C sI | j } | j | j � | j } d | _ d | _ t | � } | | _ | | _ | | _ t | | j j � | _ | j j | � | j | j j j } | d k r� | j � | j _ nr | d k r� | j | j d j � | j _ nD | d k r,g | j | j j j D] } | j � ^ q | j _ n | j � | _ | j � | S( s Create and return a clone of the turtle. No argument. Create and return a clone of the turtle with same position, heading and turtle properties. Example (for a Turtle instance named mick): mick = Turtle() joe = mick.clone() R� R� RL R� N( R� R3 R R� R� R R< R> R� RY R� R� RX R? R� R� Re RH Rk ( R� R� R� t qt ttypeRi ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR1 : s, " 5 c C s\ | d k r | j j S| | j j � k r> t d | � � n | j j | � | j � d S( s� Set turtle shape to shape with given name / return current shapename. Optional argument: name -- a string, which is a valid shapename Set turtle shape to shape with given name or, if name is not given, return name of current shape. Shape with name must exist in the TurtleScreen's shape dictionary. Initially there are the following polygon shapes: 'arrow', 'turtle', 'circle', 'square', 'triangle', 'classic'. To learn about how to deal with shapes see Screen-method register_shape. Example (for a Turtle instance named turtle): >>> turtle.shape() 'arrow' >>> turtle.shape("turtle") >>> turtle.shape() 'turtle' s There is no shape named %sN( R� R� R> R� R R� R= Rk ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRc b s c C s� | | k o" | k o" d k n rF | j \ } } | | | j f S| d k r| | d k rm | | f } q� | | f } n+ | d k r� | j d | f } n | j } | d k r� | j } n | j d d d | d | � d S( sO Set/return turtle's stretchfactors/outline. Set resizemode to "user". Optional arguments: stretch_wid : positive number stretch_len : positive number outline : positive number Return or set the pen's attributes x/y-stretchfactors and/or outline. Set resizemode to "user". If and only if resizemode is set to "user", the turtle will be displayed stretched according to its stretchfactors: stretch_wid is stretchfactor perpendicular to orientation stretch_len is stretchfactor in direction of turtles orientation. outline determines the width of the shapes's outline. Examples (for a Turtle instance named turtle): >>> turtle.resizemode("user") >>> turtle.shapesize(5, 5, 12) >>> turtle.shapesize(outline=8) i RY R& R1 RV N( R� R" R$ RN ( R� t stretch_widt stretch_lenRV R1 ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRd } s ' c C sK | | j | j } | t j d d t j } | j d d d | � d S( sZ Rotate the turtleshape to point in the specified direction Optional argument: angle -- number Rotate the turtleshape to point in the direction specified by angle, regardless of its current tilt-angle. DO NOT change the turtle's heading (direction of movement). Examples (for a Turtle instance named turtle): >>> turtle.shape("circle") >>> turtle.shapesize(5,2) >>> turtle.settiltangle(45) >>> stamp() >>> turtle.fd(50) >>> turtle.settiltangle(-45) >>> stamp() >>> turtle.fd(50) g �f@i RY R& Ri N( R R� R� R� RN ( R� R� Ri ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR_ � s c C s. | j d t j | j } | | j | j S( s� Return the current tilt-angle. No argument. Return the current tilt-angle, i. e. the angle between the orientation of the turtleshape and the heading of the turtle (its direction of movement). Examples (for a Turtle instance named turtle): >>> turtle.shape("circle") >>> turtle.shapesize(5,2) >>> turtle.tilt(45) >>> turtle.tiltangle() g �f@( R# R� R� R� R R ( R� Ri ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRj � s c C s | j | | j � � d S( s� Rotate the turtleshape by angle. Argument: angle - a number Rotate the turtleshape by angle from its current tilt-angle, but do NOT change the turtle's heading (direction of movement). Examples (for a Turtle instance named turtle): >>> turtle.shape("circle") >>> turtle.shapesize(5,2) >>> turtle.tilt(30) >>> turtle.fd(50) >>> turtle.tilt(30) >>> turtle.fd(50) N( R_ Rj ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRi � s c C s� | j } | j \ } } | j \ } } t | | | j | j � } d t | � | \ } } g | D]G \ } } | | | | | | j | | | | | | j f ^ qe S( sl Computes transformed polygon shapes from a shape according to current position and heading. g �?( R� R� R� R RS RR R ( R� R� R� t p0t p1t e0t e1R~ R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _polytrafo� s c C s} | j } | j | j j } | j } | j j } | j r�| j d k r�| j d k r�t | _ | j } | d k r�| j d k r� d } | } n� | j d k r� t d | j d � } } | j } d } n3 | j d k r| j \ } } | j } | j } n g | D] \ } } | | | | f ^ q } t j | � t j | � } } g | D]1 \ } } | | | | | | | | f ^ qU} | j | � } | j | j } } | j | | d | d | d | d t �qy| d k r�| j | | j | � qy| d k ry| j \ } } | j } x� t | | � D]� \ } \ } } } g | D] \ } } | | | | f ^ qN} | j | � } | j | | d | j | � d | j | � d | d t �q2Wqyn� | j r�d S| d k r| j | d d d f d d � nn | d k r1| j | | j | j d j � n? | d k rpx0 | D]% } | j | d d d f d d � qDWn t | _ d S( sp Manages the correct rendering of the turtle with respect to its shape, resizemode, stretch and tilt etc.i R� R� i R% g @R& R: RV Rp R_ R� R� NR� RL ( i i ( i i ( i i ( i i ( i i ( i i ( R� R� R� R> R� R? R R� R� R� RG R� R t maxR R" R$ R# R� R� R| RY R R Ra R� R� R� t zipRP ( R� R� Rc RR t titemt tshapeRT t lxt lyRj R� R� t t0t t1t fct ocRi R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s^ ' - > %- & " &c C s | j } | j | j j } | j } | j } | d k r�| j � } | j d k rd d } | } n� | j d k r� t d | j d � } } | j } d } n3 | j d k r� | j \ } } | j } | j } n g | D] \ } } | | | | f ^ q� } t j | � t j | � } } g | D]1 \ } } | | | | | | | | f ^ q%} | j | � } | j | j } } | j | | d | d | d | d t �n6| d k r�| j d � } | j | | j | � n| d k r�g } x' | D] } | j � } | j | � q�Wt | � } | j \ } } | j } x� t | | � D]� \ } \ } } } g | D] \ } } | | | | f ^ qi} | j | � } | j | | d | j | � d | j | � d | d t �qMWn | j j | � | j j d | f � | S( s� Stamp a copy of the turtleshape onto the canvas and return its id. No argument. Stamp a copy of the turtle shape onto the canvas at the current turtle position. Return a stamp_id for that stamp, which can be used to delete it by calling clearstamp(stamp_id). Example (for a Turtle instance named turtle): >>> turtle.color("blue") >>> turtle.stamp() 13 >>> turtle.fd(50) R� R� i R% g @i R& R: RV Rp R_ R� R� R� Rh ( R� R� R� R> R� R� RX R RZ R R" R$ R# R� R� R| RY R R Ra R� R� R� R� RY R� R[ RP RJ R� R� ( R� R� Rc RR R] t stitemRT R^ R_ Rj R� R� R` Ra Rb Rc t elementRi R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRh $ sV - > %- #c C s | | j k re t | t � rB x1 | D] } | j j | � q% Wn | j j | � | j j | � n d | f } | j } | | j k r� d S| j j | � } | j j | � | | j k r� | j d | j | _ n | j j | j d | j d g � d S( s9 does the work for clearstamp() and clearstamps() Rh Ni ( RJ R� R� R� Rj R� R� R� t indexR� R� t insertR� ( R� t stampidt subitemRi t bufRf ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _clearstamp` s c C s | j | � | j � d S( sD Delete stamp with given stampid Argument: stampid - an integer, must be return value of previous stamp() call. Example (for a Turtle instance named turtle): >>> turtle.color("blue") >>> astamp = turtle.stamp() >>> turtle.fd(50) >>> turtle.clearstamp(astamp) N( Rk Rk ( R� Rh ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR/ v s c C sn | d k r | j } n) | d k r5 | j | } n | j | } x | D] } | j | � qI W| j � d S( s� Delete all or first/last n of turtle's stamps. Optional argument: n -- an integer If n is None, delete all of pen's stamps, else if n > 0 delete first n stamps else if n < 0 delete last n stamps. Example (for a Turtle instance named turtle): >>> for i in range(8): ... turtle.stamp(); turtle.fd(30) ... >>> turtle.clearstamps(2) >>> turtle.clearstamps(-2) >>> turtle.clearstamps() i N( R� RJ Rk Rk ( R� R� t toDeleteRi ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR0 � s c C sf | j | j | j t | j t � f } | j } d | j | | | j | j | j | j � | j f f } | j r� | j j | � n | j } | j r�| j d k r�| | } | d | j d | d | j d } d t | d d d | j | j � } | d | } x� t d | � D]s } | d k r=t } n t } | | | | _ | j r�| j | j | | j f | j | j | � n | j � q"W| j r�| j | j d d f d d d | j �q�n | j r�| j j | � n t | j t � r| j j | � n | | _ | j r6| j j | � n t | j � d k rX| j � n | j � d S( s� Move the pen to the point end, thereby drawing a line if pen is down. All other methods for turtle movement depend on this one. t goi i i g �?i g�������?g �?R: R� Rp i* N( i i ( i i ( R R R R� RF R� R� R� RH RI R� R� R� R� R! R� RR RS R� R� R� R� Rg RB Rk RY RD RC R� R3 ( R� R t go_modesR� t undo_entryt startt difft diffsqt nhopst deltaR� R_ ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � sR (* c C s | \ } } } } | \ } } } } | \ } } } } | j } t | j | � d k r` d GHn | | _ | | _ | d d g k r� d } n | } | j | | d | d | �g | j D]- } | | k r� | j | � d k r� | ^ q� } x+ | D]# } | j | � | j j | � q� W| } | j rQ| j d k rQ| | } | d | j d | d | j d } d t | d d d | j | j � } | d | } x{ t d | � D]j } | d k r�t } n t } | | | | _ | r| j | j | | j f | | | � n | j � q�W| rQ| j | j d d f d d d | �qQn | | _ | j r�t | j � d k r�| j j � n | j g k r�t | _ d | _ q�n | r�| j g k r�d | _ d GHq�| j d k r�| j j � q�n | j � d S( s) Reverse a _goto. Used for undo() g �?s$ undogoto: HALLO-DA-STIMMT-WAS-NICHT!i R� R: Rp R� i i i g�������?g �?s Unwahrscheinlich in _undogoto!N( i i ( i i ( i i ( i i ( R� R R� RH RI Rg R� R� Rj R� R! R� RR RS R� R� R� R� RB Rk RD R� RC R� R� RF ( R� t entryt oldt newRn t coodatat drawingt pct pst fillingt cLIt cLR� R� R� t usepcR� t todeleteRp Rq Rr Rs Rt R� R_ ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _undogoto� sd ! (* c C s� | j r( | j j d | | j f � n | | j 9} | j j | � } | j j } | d k r� | j d k r� d | j } d t t | � | � } d | | } x6 t | � D]% } | j j | � | _ | j � q� Wn | | _ | j � d S( s& Turns pen clockwise by angle. t roti i g @g �?N( R� R� R R� R� R� R� R! R� R R� Rk ( R� R� t neworientR� t anglevelR Rt R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR s c C s� t | j � d k rb | j j | j | j | j | j � | j j � | _ | j j | j � n | j j | j d t �g | _ | r� | j g | _ n d S( s� Closes current line item and starts a new one. Remark: if current line became too long, animation performance (via _drawline) slowed down considerably. i R_ N( R� RI R� Rg RH R R Re R� RY R� R� ( R� R: ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR3 ) s c C sm t | j t � } | d k r" | S| j } d } } | r� t | j � d k r� | j j | j | j d | j �d | j f } q� n | r� | j j � | _ | j j | j � | j g | _ d | j f } | j � n d | _ | _ | j r_| d k r$| d k r\| j j | � q\q_| d k rC| j j | � q_| j j d | | g � n | j � d S( s� Call fill(True) before drawing a shape to fill, fill(False) when done. Optional argument: flag -- True/False (or 1/0 respectively) Call fill(True) before drawing the shape you want to fill, and fill(False) when done. When used without argument: return fillstate (True if filling, False else) Example (for a Turtle instance named turtle): >>> turtle.fill(True) >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.fill(False) i R: t dofillt beginfillR N( ( ( ( ( R� RF R� R� R� R� Ra RE R RX R� RY R� R3 R� R� Rk ( R� RO R| R� t entry1t entry2( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR: 9 s2 c C s | j t � d S( s� Called just before drawing a shape to be filled. No argument. Example (for a Turtle instance named turtle): >>> turtle.begin_fill() >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.end_fill() N( R: R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR* l s c C s | j t � d S( s� Fill the shape drawn after the call begin_fill(). No argument. Example (for a Turtle instance named turtle): >>> turtle.begin_fill() >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.left(90) >>> turtle.forward(100) >>> turtle.end_fill() N( R: R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR7 ~ s c G s� | st t | t t f � rF | j | � } | j t | j d � } q� | j } | s� | j t | j d � } q� n7 | d k r� | j t | j d � } n | j | � } t | j d � r | j j | j | | � } | j j | � | j r�| j j d | f � q�n� | j � } | j rD| j j d g � t | j _ n zT | j � d k rf| j � n | j � | j | � | j | � | j d � Wd | j | � X| j r�t | j _ n d S( s� Draw a dot with diameter size, using color. Optional arguments: size -- an integer >= 1 (if given) color -- a colorstring or a numeric color tuple Draw a circular dot with diameter size, using color. If size is not given, the maximum of pensize+4 and 2*pensize is used. Example (for a Turtle instance named turtle): >>> turtle.dot() >>> turtle.fd(50); turtle.dot(20, "blue"); turtle.fd(50) i t _dotR5 R R% i N( R� R� R� R� R RZ R R� t hasattrR� R� R� R� RY R� R� RN R� R� RY RE RP RQ RO R< R� ( R� RN R2 Ri RN ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR5 � s: c C s` | j j | j | | | | j � \ } } | j j | � | j r\ | j j d | f � n | S( s) Performs the writing for write() t wri( R� R� R� R R� RY R� R� ( R� R{ R| Ry Ri R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � s RH t Ariali R* c C s� | j r+ | j j d g � t | j _ n | j t | � | j � | � } | rw | j � \ } } | j | | � n | j r� t | j _ n d S( s� Write text at the current turtle position. Arguments: arg -- info, which is to be written to the TurtleScreen move (optional) -- True/False align (optional) -- one of the strings "left", "center" or right" font (optional) -- a triple (fontname, fontsize, fonttype) Write text - the string representation of arg - at the current turtle position according to align ("left", "center" or right") and with the given font. If move is True, the pen is moved to the bottom-right corner of the text. By default, move is False. Example (for a Turtle instance named turtle): >>> turtle.write('Home = ', True, align="center") >>> turtle.write((0,0), True) R N( R� R� R� R� R� R� R� RS R] R� ( R� t argt moveR| Ry R R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRq � s ! c C s | j g | _ t | _ d S( s Start recording the vertices of a polygon. No argument. Start recording the vertices of a polygon. Current turtle position is first point of polygon. Example (for a Turtle instance named turtle): >>> turtle.begin_poly() N( R� RC R� RD ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR+ � s c C s t | _ d S( s7 Stop recording the vertices of a polygon. No argument. Stop recording the vertices of a polygon. Current turtle position is last point of polygon. This will be connected with the first point. Example (for a Turtle instance named turtle): >>> turtle.end_poly() N( R� RD ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR8 � s c C s | j d k r t | j � Sd S( s� Return the lastly recorded polygon. No argument. Example (for a Turtle instance named turtle): >>> p = turtle.get_poly() >>> turtle.register_shape("myFavouriteShape", p) N( RC R� R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR= s c C s | j S( s� Return the TurtleScreen object, the turtle is drawing on. No argument. Return the TurtleScreen object, the turtle is drawing on. So TurtleScreen-methods can be called for that object. Example (for a Turtle instance named turtle): >>> ts = turtle.getscreen() >>> ts <turtle.TurtleScreen object at 0x0106B770> >>> ts.bgcolor("pink") ( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR? s c C s | S( sU Return the Turtleobject itself. No argument. Only reasonable use: as a function to return the 'anonymous turtle': Example: >>> pet = getturtle() >>> pet.fd(50) >>> pet <turtle.Turtle object at 0x0187D810> >>> turtles() [<turtle.Turtle object at 0x0187D810>] ( ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR@ " s c C s | j j � d S( s� Returns the width of the turtle window. No argument. Example (for a TurtleScreen instance named screen): >>> screen.window_width() 640 i ( R� R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR' : s c C s | j j � d S( s� Return the height of the turtle window. No argument. Example (for a TurtleScreen instance named screen): >>> screen.window_height() 480 i ( R� R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR& E s c C s | j j | � S( sD Set delay value which determines speed of turtle animation. ( R� R ( R� R ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRm P s i c C s- | j j | j j | | | � | j � d S( s� Bind fun to mouse-click event on this turtle on canvas. Arguments: fun -- a function with two arguments, to which will be assigned the coordinates of the clicked point on the canvas. btn -- number of the mouse-button defaults to 1 (left mouse button). add -- True or False. If True, new binding will be added, otherwise it will replace a former binding. Example for the anonymous turtle, i. e. the procedural way: >>> def turn(x, y): ... left(360) ... >>> onclick(turn) # Now clicking into the turtle will turn it. >>> onclick(None) # event-binding will be removed N( R� R� R� R? Rk ( R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRJ W s c C s- | j j | j j | | | � | j � d S( s� Bind fun to mouse-button-release event on this turtle on canvas. Arguments: fun -- a function with two arguments, to which will be assigned the coordinates of the clicked point on the canvas. btn -- number of the mouse-button defaults to 1 (left mouse button). Example (for a MyTurtle instance named joe): >>> class MyTurtle(Turtle): ... def glow(self,x,y): ... self.fillcolor("red") ... def unglow(self,x,y): ... self.fillcolor("") ... >>> joe = MyTurtle() >>> joe.onclick(joe.glow) >>> joe.onrelease(joe.unglow) Clicking on joe turns fillcolor red, unclicking turns it to transparent. N( R� R� R� R? Rk ( R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRL l s c C s# | j j | j j | | | � d S( s� Bind fun to mouse-move event on this turtle on canvas. Arguments: fun -- a function with two arguments, to which will be assigned the coordinates of the clicked point on the canvas. btn -- number of the mouse-button defaults to 1 (left mouse button). Every sequence of mouse-move-events on a turtle is preceded by a mouse-click event on that turtle. Example (for a Turtle instance named turtle): >>> turtle.ondrag(turtle.goto) Subsequently clicking and dragging a Turtle will move it across the screen thereby producing handdrawings (if pen is down). N( R� R� R� R? ( R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRK � s c C s� | j d k r d S| d k rV | \ } } | j | | | j � | j j � } n5| d k r| | d } | j | � n| d k r� | j | � n� | d k r� | d } | j j | � | j j | � n� | d k r| d } | j j | d d d f d d d d �ny | d k r[| d } d | _ | _ | j j | � | j j | � n0 | d k r�t j | | d � | j j � n d S( s2 Does the main part of the work for undo() NR� Rh i Rm R� R5 R� R: R� RV R� RN ( R� R5 ( i i ( i i ( i i ( R� R� R R R� R/ R� R� Rj R� R� Ra RE RF R RN ( R� t actionR� R� t degPAUt dummyRd Ri ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _undo� s6 c C s� | j d k r d S| j j � } | d } | d } | d k rv xA | rr | j � } | j | d | d � qE Wn | j | | � d S( s� undo (repeatedly) the last turtle action. No argument. undo (repeatedly) the last turtle action. Number of available undo actions is determined by the size of the undobuffer. Example (for a Turtle instance named turtle): >>> for i in range(4): ... turtle.fd(50); turtle.lt(80) ... >>> for i in range(8): ... turtle.undo() ... Ni i R ( R� R� R� R� ( R� Ri R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRm � s N( R� i R* (9 R� R� R� RA R� R� R RX R` Rn RM R. R� Rk R# R� R� RP R1 Rc Rd R_ Rj Ri RY R� Rh Rk R/ R0 R R� R R� R3 R: R* R7 R5 R� R� Rq R+ R8 R= R? R@ R> R' R& Rm RJ RL RK R� Rm Rl ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR q sl % ( & 7 < 5 A 3 3 c C s% t j d k r t � t _ n t j S( s� Return the singleton screen object. If none exists at the moment, create a new one and return it, else return the existing one.N( R t _screenR� R@ ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s R@ c B sp e Z d Z d Z e d Z d � Z e d e d e d e d d � Z d � Z d � Z d � Z d � Z RS( R" c C s� t j d k rK t � t _ | _ | j j t j � | j j | j � n t j d k r� t d } t d } t d } t d } t d } t d } | j j | | | | � | j j � t _ t j | t j � | j | | | | � n d S( NRp R� R� R� R� R� ( R@ t _rootR� R7 R" t _titleRE t _destroyR R� R< R= R R R ( R� Rp R� R� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR � s Rp R� R� R� c C s t | j d � s d S| j j � } | j j � } t | t � rl d | k oZ d k n rl | | } n | d k r� | | d } n t | t � r� d | k o� d k n r� | | } n | d k r� | | d } n | j j | | | | � | j � d S( s Set the size and position of the main window. Arguments: width: as integer a size in pixels, as float a fraction of the screen. Default is 50% of screen. height: as integer the height in pixels, as float a fraction of the screen. Default is 75% of screen. startx: if positive, starting position in pixels from the left edge of the screen, if negative from the right edge Default, startx=None is to center window horizontally. starty: if positive, starting position in pixels from the top edge of the screen, if negative from the bottom edge Default, starty=None is to center window vertically. Examples (for a Screen instance named screen): >>> screen.setup (width=200, height=200, startx=0, starty=0) sets window to 200x200 pixels, in upper left of screen >>> screen.setup(width=.75, height=0.5, startx=None, starty=None) sets window to 75% of screen by 50% of screen and centers RA Ni i i ( R� R� RG RI R� R� R� RA R% ( R� Rp R� R? R@ Rt t sh( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR s + + c C s/ t j d k r" t j j | � n | t _ d S( sq Set title of turtle-window Argument: titlestring -- a string, to appear in the titlebar of the turtle graphics window. This is a method of Screen-class. Not available for TurtleScreen- objects. Example (for a Screen instance named screen): >>> screen.title("Welcome to the turtle-zoo!") N( R@ R� R� R" R� ( R� t titlestring( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR" ( s c C sV | j } | t j k r? d t _ d t _ d t _ d t _ n t t _ | j � d S( N( R� R@ R� R R� R� R R� R R� RD ( R� t root( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� 9 s c C s | j � d S( s~ Shut the turtlegraphics window. Example (for a TurtleScreen instance named screen): >>> screen.bye() N( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR C s c sW � f d � } � j | � t d r* d Sy t � Wn t k rR t d � n Xd S( sl Go into mainloop until the mouse is clicked. No arguments. Bind bye() method to mouseclick on TurtleScreen. If "using_IDLE" - value in configuration dictionary is False (default value), enter mainloop. If IDLE with -n switch (no subprocess) is used, this value should be set to True in turtle.cfg. In this case IDLE's mainloop is active also for the client script. This is a method of the Screen-class and not available for TurtleScreen instances. Example (for a Screen instance named screen): >>> screen.exitonclick() c s � j � d S( s& Screen.bye() with two dummy-parametersN( R ( R� R� ( R� ( s# /usr/lib/python2.7/lib-tk/turtle.pyt exitGracefully^ s R� Ni ( RJ R� Rv t AttributeErrort exit( R� R� ( ( R� s# /usr/lib/python2.7/lib-tk/turtle.pyR K s N( R� R� R� R� R R� R� R R R" R� R R ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR@ � s ' c B s8 e Z d Z d Z d Z e d e d e d d � Z RS( s� RawTurtle auto-creating (scrolled) canvas. When a Turtle object is created or a function derived from some Turtle method is called a TurtleScreen object is automatically created. Rc R� R� c C sG t j d k r t � t _ n t j | t j d | d | d | �d S( NRc R� R� ( R R� R� R R R ( R� Rc R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR r s N( R� R� R� R� R� R� R� R ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR i s t turtle_docstringdictc C sR i } x+ t D]# } d | } t | � j | | <q Wx+ t D]# } d | } t | � j | | <q; Wt d | d � } t g | j � D]% } | j d � d t k r� | ^ q� � } | j d � x> | d D]2 } | j d t | � � | j d | | � q� W| d } | j d t | � � | j d | | � | j d � | j � d S( s� Create and write docstring-dictionary to file. Optional argument: filename -- a string, used as filename default value is turtle_docstringdict Has to be called explicitly, (not used by the turtle-graphics classes) The docstring dictionary will be written to the Python script <filname>.py It is intended to serve as a template for translation of the docstrings into different languages. s _Screen.s Turtle.s %s.pyRT R� i s docsdict = { i����s %s : s """%s """, s """%s """ s } N( t _tg_screen_functionsR� R� t _tg_turtle_functionsR� R� R� R t _alias_listRq t reprR� ( R� t docsdictt methodnameR� R� R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyRt s& ( c C sx d i | j � d 6} t | � } | j } xE | D]= } y | | t | � j _ Wq3 t k ro d | GHq3 Xq3 Wd S( s� Read in docstrings from lang-specific docstring dictionary. Transfer docstrings, translated to lang, from a dictionary-file to the methods of classes Screen and Turtle and - in revised form - to the corresponding functions. s! turtle_docstringdict_%(language)sR� s Bad docstring-entry: %sN( R� t __import__R� R� t im_funcR� R� ( t langt modnamet moduleR� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt read_docstrings� s s Cannot find docsdict fors; Unknown Error when trying to import %s-docstring-dictionaryc C s� d } } t | � t j k r1 | j } d } n | } d } t | � t j t j g k r�yg| j j } t | j j | | !� } | j j | | !} | j p� g } t t d � | � � } d g t | � t | � | } t d � | | � } | j j d @rF| j d | j j | � | j d | j j | � | d 7} n | j j d @r�| j d | j j | � | j d | j j | � n d j | � } d | } d j | � } d | } Wq�q�Xn | | f S( s9 Get strings describing the arguments for the given objectR� i i c S s d t | � S( Ns =%s( R� ( R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt <lambda>� R� c S s | | S( N( ( R� t dflt( ( s# /usr/lib/python2.7/lib-tk/turtle.pyR� � R� i R i s **s , s (%s)( R� R� t MethodTypeR� R� t LambdaTypet func_codet co_argcountR� t co_varnamest func_defaultst mapR� t co_flagsRY R ( t obt argText1t argText2t fobt argOffsett countert items2t realArgst defaultst items1( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt getmethparlist� s: ! c C se d d l } | d k r d St d } | j d | d � } | j d | � } | j d | � } | S( s< To reduce docstrings from RawTurtle class for functions i����NR� s %s.R� s \(.+ %s\):t :( t reR� R� t replacet compilet sub( t docstrR� t turtlenamet newdocstrt parexp( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _turtle_docrevise� s c C se d d l } | d k r d St d } | j d | d � } | j d | � } | j d | � } | S( s? To reduce docstrings from TurtleScreen class for functions i����NR� s %s.R� s \(.+ %s\):R� ( R� R� R� R� R� R� ( R� R� t screennameR� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _screen_docrevise� s sr def {name}{paramslist}: if {obj} is None: if not TurtleScreen._RUNNING: TurtleScreen._RUNNING = True raise Terminator {obj} = {init} try: return {obj}.{name}{argslist} except TK.TclError: if not TurtleScreen._RUNNING: TurtleScreen._RUNNING = True raise Terminator raise c B s� x� | D]� } e | | � } e | � \ } } | d k rM d G| G| GHq n e j d | d | d | d | d | � } | e � U| | j � e � | _ q Wd S( NR� s >>>>>>t objt initR� t paramslistt argslist( t getattrR� t __func_bodyt formatt globalsR� ( t functionsR� R� R� t docreviseR� R� t pl1t pl2t defstr( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt _make_global_funcs s s Turtle._screens Screen()s Turtle._pens Turtle()t __main__c C s t � r t � n t � d S( N( RF RU RM ( ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt switchpen# s c C s� t � t t � t � t d � t � t d � x� t d � D]� } | d k r_ t d � n x( t d � D] } t d � t d � ql W| d k r� t d � t d � n t � t d � t � q@ Wt d � t d � t t � t � t d � t d � t d � t d � t d � t � t d d � t d d � t d � x< t d � D]. } t d � t d � t d � t d � qXWt t � t d � x< t d � D]. } t d � t d � t d � t d � q�Wt d � d S( s Demo of old turtle.py - moduleid i i i i i iZ t marooni i R� i� t startstartu startt redi N( RX R# R� Ro R) R6 Rp R� R: R< RH R2 R� RW Rq ( R� R� ( ( s# /usr/lib/python2.7/lib-tk/turtle.pyt demo1) sX c C sO t d � t � t d � t t d d � � t d d � d } t d � x( t d � D] } t � t | d � qX Wt d � x t � r� t � q� Wt � t d � t d � d } t d � t d � t d � x� t d d � D]� } | d k r t � t d d | d d | � n x( t d � D] } t | � t d � q+W| d 7} t d � t t � d d � q� Wt � t d � t � t d � t d � t � t d d � t d � t d � x? t d � D]1 } t d d � t d � t d � t d � q�Wt d � t d � t � t d � t � t d � t � } | j d � t � } | j d � | j d � | j � | j d � | j d � | j � | j d d � | j d � | j � | j d � | j d d � | j d � | j d � t t | � � d } x� | j | � d k r�| j d � | j d! � | j | j | � � | j d � | d" d k r�| j! � | j! � t � n | d 7} q W| j d# d$ d/ d' d( �| j d) � | j d* � d+ � } t" j# d � x! t � r| j � | j � q�W| j d � | j d, d$ d0 �| j$ | d � d. 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