grthtrhthjhtyjytjytkergtrhtrjytjerhrfh4:24 29/09/2026a Bjj@sddlmZmZddlZddlZddlZddlZddlZzddlZddl Z ddl Z Wne yfYn0ddl m Z ddl mZddlmZmZmZmZmZmZddl mZddlmZmZmZddlmZmZGd d d eeZd d Ze d kredS))divisionprint_functionN)util)escape) BaseScreen RealTerminalUPDATE_PALETTE_ENTRYAttrSpecUNPRINTABLE_TRANS_TABLEINPUT_DESCRIPTORS_CHANGED)signals)PYTHON3bytesB)PopenPIPEcszeZdZejejffdd ZddZddZdTd d Z dUd d Z dVd dZ ddZ ddZ dWddZddZddZddZdXfdd ZfddZd d!Zd"d#ZdYd%d&Zd'd(Zd)Zd*d+Zd,d-ZdZdZd.d/Zd0d1ZdZd2d3Zd4d5Z d6d7Z!d8d9Z"d:d;Z#dd?Z%d@dAZ&dBdCZ'dDdEZ(dFdGZ)dHdIZ*dJdKZ+d[dLdMZ,dNdOZ-dPdQZ.dRdSZ/Z0S)\Screencstt|i|_i|_t|t|jd|_ d|_ g|_ d|_ | d|_d|_d|_d|_d|_d|_d|_d|_d|_d|_d|_tjdd|_|jd |_|jd k|_|jd  |_ |!dd d d|_"t#j#|_$||_%||_&t'\|_(|_)t**|j(t*j+tj,dS) z]Initialize a screen that directly prints escape codes to an output terminal. TrNFTERMZxtermlinuxZscreendefault)-superr__init__ _pal_escape _pal_attrspecr Zconnect_signalr_on_update_palette_entrycolors has_underlineZ _keyqueueprev_input_resizeset_input_timeouts screen_buf_screen_buf_canvas_resizedmaxrowgpm_mevgpm_event_pending_mouse_tracking_enabled last_bstate_setup_G1_done _rows_used_cyosenvirongetterm startswithfg_bright_is_boldbg_bright_is_blinkback_color_eraseZregister_palette_entry _next_timeoutsignalsignal_handler_setter_term_output_file_term_input_filepipe_resize_pipe_rd_resize_pipe_wrfcntlF_SETFL O_NONBLOCK)selfinputoutput __class__7/usr/lib64/python3.9/site-packages/urwid/raw_display.pyr4sB zScreen.__init__cCst|jdr|jSdSdS)zReturns the fileno of the input stream, or None if it doesn't have one. A stream without a fileno can't participate in whatever. filenoN)hasattrr8rFr?rDrDrE _input_fileno]s  zScreen._input_filenocGs8|dddddd|j}||j|<|||j|<dS)Nr)rrJX)rr_attrspec_to_escaper)r?nameZ attrspecsarDrDrEres zScreen._on_update_palette_entryN?cCs@||_|dur0|jdur ||_nt|j|j|_||_||_dS)a Set the get_input timeout values. All values are in floating point numbers of seconds. max_wait -- amount of time in seconds to wait for input when there is no input pending, wait forever if None complete_wait -- amount of time in seconds to wait when get_input detects an incomplete escape sequence at the end of the available input resize_wait -- amount of time in seconds to wait for more input after receiving two screen resize requests in a row to stop Urwid from consuming 100% cpu during a gradual window resize operation N)max_waitr4min complete_wait resize_wait)r?rUrWrXrDrDrEr ks zScreen.set_input_timeoutscCs(|jst|jtdd|_d|_dS)V frame -- will always be None when the GLib event loop is being used. RTN)r#r,writer;rr!r?ZsignumframerDrDrE_sigwinch_handlerszScreen._sigwinch_handlercCs |||dddS)rYN)stopstartr^r\rDrDrE_sigcont_handlerszScreen._sigcont_handlercCs$|tj|j|tj|jdS)z Called in the startup of run wrapper to set the SIGWINCH and SIGCONT signal handlers. Override this function to call from main thread in threaded applications. N)r6r5SIGWINCHr^SIGCONTrarHrDrDrE signal_initszScreen.signal_initcCs$|tjtj|tjtjdS)z Called in the finally block of run wrapper to restore the SIGWINCH and SIGCONT signal handlers. Override this function to call from main thread in threaded applications. N)r6r5rcSIG_DFLrbrHrDrDrEsignal_restoreszScreen.signal_restoreTcCs*t|}||jkrdS||||_dS)z Enable (or disable) mouse tracking. After calling this function get_input will include mouse click events along with keystrokes. N)boolr'_mouse_trackingr?enablerDrDrEset_mouse_trackings   zScreen.set_mouse_trackingcCs2|r|tj|n|tj|dSN)r[rZMOUSE_TRACKING_ON_start_gpm_trackingZMOUSE_TRACKING_OFF_stop_gpm_trackingrirDrDrErhs    zScreen._mouse_trackingcCsjtjdsdStjddds,dSts4dStgdttdd}t |j t j tj ||_dS)N /usr/bin/mevrrr)roz-eZ158T)stdinstdoutZ close_fds)r,pathisfiler-r.lowerr0rrr<rqrFr=r>r%)r?mrDrDrErms  zScreen._start_gpm_trackingcCs6|js dSt|jjtjt|jjdd|_dSNr)r%r,killpidr5SIGINTwaitpidrHrDrDrErns zScreen._stop_gpm_trackingcs|r|tjd|_nd|_|}|durNt|rNt||_ t || ||_ |j|_|jsx|j|d|_t|t||jtt|S)zp Initialize the screen and input mode. alternate_buffer -- use alternate screen buffer Nr)rF)r[rZSWITCH_TO_ALTERNATE_BUFFERr*rIr,isattytermiosZ tcgetattr_old_termios_settingsttyZ setcbreakrd_alternate_bufferrUr4Z_signal_keys_settty_signal_keys_old_signal_keysr emit_signalr rhr'rr_start)r?Zalternate_bufferfdrBrDrErs      z Screen._startcs|t|t||}|durHt|rHt |tj |j | dd}|j rdtj}n|jdur|td|j}||tddtj|tj||jr|j|j|ftt|dS)z% Restore the screen. NFrr)clearr rr rfrIr,r{r|Z tcsetattrZ TCSADRAINr}rhrrZRESTORE_NORMAL_BUFFERr$set_cursor_positionr[rQr SI SHOW_CURSORflushrrrr_stop)r?rZ move_cursorrBrDrErs6   z Screen._stopcCs|j|dS)zWrite some data to the terminal. You may wish to override this if you're using something other than regular files for input and output. N)r7r[)r?datarDrDrEr[sz Screen.writecCs|jdS)zFlush the output buffer. You may wish to override this if you're using something other than regular files for input and output. N)r7rrHrDrDrErsz Screen.flushFcCs||j|dd|\}}|dgkr|jr||j|dd|\}}||7}|dgkr2qjq2|dddgkr|d|dgkrd|_n|jdkr|sd|_nd|_|r||fS|S)axReturn pending input as a list. raw_keys -- return raw keycodes as well as translated versions This function will immediately return all the input since the last time it was called. If there is no input pending it will wait before returning an empty list. The wait time may be configured with the set_input_timeouts function. If raw_keys is False (default) this function will return a list of keys pressed. If raw_keys is True this function will return a ( keys pressed, raw keycodes ) tuple instead. Examples of keys returned: * ASCII printable characters: " ", "a", "0", "A", "-", "/" * ASCII control characters: "tab", "enter" * Escape sequences: "up", "page up", "home", "insert", "f1" * Key combinations: "shift f1", "meta a", "ctrl b" * Window events: "window resize" When a narrow encoding is not enabled: * "Extended ASCII" characters: "\xa1", "\xb2", "\xfe" When a wide encoding is enabled: * Double-byte characters: "\xa1\xea", "\xb2\xd4" When utf8 encoding is enabled: * Unicode characters: u"\u00a5", u'\u253c" Examples of mouse events returned: * Mouse button press: ('mouse press', 1, 15, 13), ('meta mouse press', 2, 17, 23) * Mouse drag: ('mouse drag', 1, 16, 13), ('mouse drag', 1, 17, 13), ('ctrl mouse drag', 1, 18, 13) * Mouse button release: ('mouse release', 0, 18, 13), ('ctrl mouse release', 0, 17, 23) N window resizerKrJr)_wait_for_input_readyr4 parse_inputget_available_raw_inputrrXappend)r?Zraw_keyskeysrawZraw2rDrDrE get_input's$.     zScreen.get_inputcCsL|js gS|jg}|}|dur,|||jdurH||jj|S)aG Return a list of integer file descriptors that should be polled in external event loops to check for user input. Use this method if you are implementing your own event loop. This method is only called by `hook_event_loop`, so if you override that, you can safely ignore this. N)_startedr:rIrr%rqrF)r?fd_listrrDrDrEget_input_descriptorsrs   zScreen.get_input_descriptorsrDcCs2|jD]}||q|jr.||jd|_dS)z< Remove any hooks added by hook_event_loop. N)_current_event_loop_handlesZremove_watch_file_input_timeout remove_alarm)r? event_loopZhandlerDrDrEunhook_event_loops    zScreen.unhook_event_loopcsNtdrnfdd}fdd|D}|_dS)a) Register the given callback with the event loop, to be called with new input whenever it's available. The callback should be passed a list of processed keys and a list of unprocessed keycodes. Subclasses may wish to use parse_input to wrap the callback. get_input_nonblockingcsSrl)rrrD)callbackrr?rDrEs z(Screen.hook_event_loop..csg|]}|qSrD)Z watch_file).0r)rwrapperrDrE z*Screen.hook_event_loop..N)rG_make_legacy_input_wrapperrr)r?rrZfdsZhandlesrDrrr?rrEhook_event_loops  zScreen.hook_event_loopcsfddS)zs Support old Screen classes that still have a get_input_nonblocking and expect it to work. csJjrjd_\}}}|dur<|_||dSrl)rrralarm)timeoutrrrrDrErs z2Screen._make_legacy_input_wrapper..wrapperrD)r?rrrDrrErs z!Screen._make_legacy_input_wrappercCsR||}|jr&|j|}d|_zt|jdq(WntyLYn0|S)z Return any currently-available input. Does not block. This method is only used by the default `hook_event_loop` implementation; you can safely ignore it if you implement your own. NrJ)_get_gpm_codes_get_keyboard_codes_partial_codesr,readr:OSError)r?codesrDrDrErs  zScreen.get_available_raw_inputc sjrrjd_}g}z$rFt|\}||q&Wn\tjyt|t}|d|} _fdd} rj | _Yn 0|} d_j r| dd_ rֈ|| n|| fSdS)a Read any available input from get_available_raw_input, parses it into keys, and calls the given callback. The current implementation tries to avoid any assumptions about what the screen or event loop look like; it only deals with parsing keycodes and setting a timeout when an incomplete one is detected. `codes` should be a sequence of keycodes, i.e. bytes. A bytearray is appropriate, but beware of using bytes, which only iterates as integers on Python 3. Ncs"d_d_jdddS)NF) wait_for_more)rrrrDrrrr?rDrE_parse_incomplete_inputs z3Screen.parse_input.._parse_incomplete_inputrF) rrrZprocess_keyqueueextendZMoreInputRequiredlenrrrWr#r) r?rrrrZoriginal_codesZ processedrunkZprocessed_codesrrDrrErs8      zScreen.parse_inputcCs&g}|}|dkrq"||q|Srv)_getch_nodelayr)r?rcoderDrDrErs  zScreen._get_keyboard_codesc Csbg}z$|jdur&|jr&||qWn4ty\}z|jddkrHWYd}~n d}~00|S)Nr )r%r&r_encode_gpm_eventIOErrorargs)r?rerDrDrErszScreen._get_gpm_codesc Csd}g}|}|dur"|||jdur>||jjz<|dur^t|g|\}}}nt|g||\}}}WqWq>tjy}z2|jddkr|jrg}WYd}~qWYd}~q>d}~00q>|S)NrrM) rIrr%rqrFselecterrorrr#)r?rreadyrrwerrrrDrDrErs.    $zScreen._wait_for_input_readycCsV||}|jdur*|jj|vr*d|_|}|durR||vrRtt|dSdS)NTrJr) rr%rqrFr&rIordr,r)r?rrrrDrDrE_getch3s  z Screen._getchcsd|_|jjd}|dtdkrF|t |t gS|d\}}}t |ddd}t ddt  dd t ddt |dd d}|j}gd |d @rd O|d @rd O|d @rdOfddfdd}|dksF|dksF|dkrd @rnd @d krnd |d O}d@rd@d krd |dO}d @rd @d krd|d O}n|dkrd @rd tjn2d@rd tjnd @rdtjn~d @rBd @rBd tj|dM}d@rld@rld tj|dM}d @rd @rdtj|dM}|dkrd @rˆd @rˆd tjd@rd@rd tjd @rd @rdtjn||dkrd @r8d @r8d tjdd@r^d@r^d tjdd @rd @rdtjd||_S)NFascii,xrr rrJrM c s6|O}dtdtd|dddgdS)N[M )rr)b)lmodryrDrE append_buttonWsz/Screen._encode_gpm_event..append_buttoncspd@r$d@r$d||dO}d@rHd@rHd||dO}d@rld@rld||dO}dS)NrMrJrrKrD)flagnext)rrlastrDrEdetermine_button_release[s   z:Screen._encode_gpm_event..determine_button_release$4rK()r&r%rqreadlinedecodesplitrrnr rr intlstriprstripr(rZMOUSE_DRAG_FLAGZMOUSE_RELEASE_FLAGZMOUSE_MULTIPLE_CLICK_FLAG)r?sZevZignrurrrD)rrrrrrrrEr=s~            zScreen._encode_gpm_eventcCs |dSrv)rrHrDrDrErszScreen._getch_nodelaycCs`d\}}z6t|jdr.partial_displayrcs"stddStjtSrv)rrCURSOR_HOME_COLmove_cursor_uprDcyrrDrEset_cursor_homes  z+Screen.draw_screen..set_cursor_homecs std|St|Srv)rrmove_cursor_down)rrrDrEset_cursor_rows z*Screen.draw_screen..set_cursor_rowcs^st||S|kr.set_cursor_positioncSs(t|dkrdS|ddr$dSdS)NrJFrrKT)rstrip)rowrDrDrE is_blank_rows  z(Screen.draw_screen..is_blank_rowcs8|jvrj|St|tr(|StddS)Nr)r isinstancer rQrSrHrDrEattr_to_escapes    z*Screen.draw_screen..attr_to_escapecs$j||}t|to"|jp"|jSrl)rr.rr standout underlinerrHrDrEusing_standout_or_underlinesz7Screen.draw_screen..using_standout_or_underlinerrJFrTUrzutf-8replacerM)%r!r"rr#rZ HIDE_CURSORrQr rZ CURSOR_HOMEr+Zcontentrr*rr3r _last_row translater Z IBMPC_OFFrZIBMPC_ONZSOZ INSERT_ONZ INSERT_OFFZERASE_IN_LINE_RIGHTZcursorrrrr rr[rrr)!r?ZmaxresrZmaxcolr$oZosbZsbrrrrrrrZinsrZwhitespace_at_endrScsrZbackfirstZlastaZlastcsZinsertaZinsertcsZ inserttextZiasZicssrrrrD)rrr?rE draw_screens     "  $                  zScreen.draw_screencCsR|dd}|d\}}}t|dt|}t|dt||d\}}|dkr|} |d=|d\} } } t| dt| } || 7}t| dt| | d\}}| |d}|r|| | | d|fnf||d} ||} } t|d|} t|d|| d\}}|||}|r.|| | |d|f|||| f|||| | |ffS)aOn the last row we need to slide the bottom right character into place. Calculate the new line, attr and an insert sequence to do that. eg. last row: XXXXXXXXXXXXXXXXXXXXYZ Y will be drawn after Z, shifting Z into position. NrrrJr)rZ calc_widthrZ calc_text_posr)r?rZnew_rowZz_attrZz_csZ last_textZ last_colsZ last_offsZz_colZz_textZy_attrZy_csZ nlast_textZ nlast_colsZ nlast_offsZy_colZy_textrDrDrErnsJ         zScreen._last_rowcCsd|_d|_dS)zh Force the screen to be completely repainted on the next call to draw_screen(). NT)r!Zsetup_G1rHrDrDrErsz Screen.clearcCs|jdkr6tjd|jf}tjd|jf}||S|jrRd|dd}nd|jrdd|j}nR|jr|jdkr|j rd |jd d }qd |jd d }qd |jd }nd}d|j d|j d|j d|j d|jd|j}|jrd|dd}nl|jr$d|j}nX|jrx|jdkrh|jrTd|jd d}nd |jd d}nd |jd}nd}tjd|||fS)ao Convert AttrSpec instance a to an escape sequence for the terminal >>> s = Screen() >>> s.set_terminal_properties(colors=256) >>> a2e = s._attrspec_to_escape >>> a2e(s.AttrSpec('brown', 'dark green')) '\x1b[0;33;42m' >>> a2e(s.AttrSpec('#fea,underline', '#d0d')) '\x1b[0;38;5;229;4;48;5;164m' fbtermz[1;%d}z[2;%d}z 38;2;%d;%d;%drrLz38;5;%dz1;%drz%dZZ39z1;z3;z4;z5;z7;z9;z 48;2;%d;%d;%drz48;5;%dz5;%drdZ49z [0;%s;%s%sm)r/rZESCZforeground_numberZbackground_numberZforeground_trueget_rgb_valuesZforeground_highZforeground_basicr1ZboldZitalicsrZblinkrZ strikethroughZbackground_trueZbackground_highZbackground_basicr2)r?rSfgbgstrDrDrErQsH     zScreen._attrspec_to_escapecCs|dur|j}|dur|j}|dur*|j}||jkrL||jkrL||jkrLdS||_||_||_|i|_|jD]\}}|j|g|RqvdS)a colors -- number of colors terminal supports (1, 16, 88, 256, or 2**24) or None to leave unchanged bright_is_bold -- set to True if this terminal uses the bold setting to create bright colors (numbers 8-15), set to False if this Terminal can create bright colors without bold or None to leave unchanged has_underline -- set to True if this terminal can use the underline setting, False if it cannot or None to leave unchanged N)rr1rrrZ_paletteitemsr)r?rZbright_is_boldrpvrDrDrEset_terminal_propertiess" zScreen.set_terminal_propertiescsZ|jdkrdS|jdkrdn|jfddfddttdD}||dS) z Attempt to set the terminal palette to default values as taken from xterm. Uses number of colors from current set_terminal_properties() screen setting. rJNrPrOcs:dkrtd|dd}ntd|d}|ddS)Nrzh%drrOrL)r r)nZaspec)rrDrE rgb_values sz9Screen.reset_default_terminal_palette..rgb_valuescsg|]}|f|qSrDrD)rr)rrDrErrz9Screen.reset_default_terminal_palette..)rrangerVmodify_terminal_palette)r?entriesrD)rrrEreset_default_terminal_palettes   z%Screen.reset_default_terminal_palettecCsd|jdkr2dd|D}|dd|dn&dd|D}|dd|d |d S) a entries - list of (index, red, green, blue) tuples. Attempt to set part of the terminal palette (this does not work on all terminals.) The changes are sent as a single escape sequence so they should all take effect at the same time. 0 <= index < 256 (some terminals will only have 16 or 88 colors) 0 <= red, green, blue < 256 r cSs$g|]\}}}}d||||fqS)z %d;%d;%d;%drDrindexZredZgreenZbluerDrDrEr"s z2Screen.modify_terminal_palette..z[3;;}cSs$g|]\}}}}d||||fqS)z%d;rgb:%02x/%02x/%02xrDrrDrDrEr&s z]4;z\N)r/r[joinr)r?rZmodifyrDrDrErs zScreen.modify_terminal_palettecCst|||jSrl)r r)r?rrrDrDrEr.rzScreen.)NrTrT)N)N)T)T)F)T)NNN)1__name__ __module__ __qualname__sysrprqrrIrr r^rardrfrkrhrmrnrrr[rrrrrrrrrrrrrrrrrrrrrrrQrrrr __classcell__rDrDrBrEr3s^)      # K  8   V9/ 4 #rcCsddl}|dSrv)doctestZtestmod)r&rDrDrE_test1sr'__main__)!Z __future__rrr,rrr$r5r<r|r~ ImportErrorZurwidrrZurwid.display_commonrrrr r r r Z urwid.compatr rr subprocessrrrr'r!rDrDrDrEs: