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<h1>Source code for TermTk.libbpytop.term</h1><div class="highlight"><pre>
<span></span><span class="ch">#!/usr/bin/env python3</span>
<span class="c1"># Copyright 2021 Eugenio Parodi &lt;ceccopierangiolieugenio AT googlemail DOT com&gt;</span>
<span class="c1"># Copyright 2020 Aristocratos (https://github.com/aristocratos/bpytop)</span>
<span class="c1">#</span>
<span class="c1"># Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span>
<span class="c1"># you may not use this file except in compliance with the License.</span>
<span class="c1"># You may obtain a copy of the License at</span>
<span class="c1">#</span>
<span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="c1">#</span>
<span class="c1"># Unless required by applicable law or agreed to in writing, software</span>
<span class="c1"># distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span>
<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="c1"># See the License for the specific language governing permissions and</span>
<span class="c1"># limitations under the License.</span>
<span class="kn">import</span> <span class="nn">os</span><span class="o">,</span> <span class="nn">sys</span><span class="o">,</span> <span class="nn">io</span><span class="o">,</span> <span class="nn">threading</span><span class="o">,</span> <span class="nn">signal</span><span class="o">,</span> <span class="nn">re</span><span class="o">,</span> <span class="nn">subprocess</span><span class="o">,</span> <span class="nn">logging</span><span class="o">,</span> <span class="nn">logging.handlers</span><span class="o">,</span> <span class="nn">argparse</span>
<span class="kn">import</span> <span class="nn">queue</span>
<span class="kn">from</span> <span class="nn">select</span> <span class="kn">import</span> <span class="n">select</span>
<span class="kn">from</span> <span class="nn">time</span> <span class="kn">import</span> <span class="n">time</span><span class="p">,</span> <span class="n">sleep</span><span class="p">,</span> <span class="n">strftime</span><span class="p">,</span> <span class="n">localtime</span>
<span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">List</span><span class="p">,</span> <span class="n">Set</span><span class="p">,</span> <span class="n">Dict</span><span class="p">,</span> <span class="n">Tuple</span><span class="p">,</span> <span class="n">Optional</span><span class="p">,</span> <span class="n">Union</span><span class="p">,</span> <span class="n">Any</span><span class="p">,</span> <span class="n">Callable</span><span class="p">,</span> <span class="n">ContextManager</span><span class="p">,</span> <span class="n">Iterable</span><span class="p">,</span> <span class="n">Type</span><span class="p">,</span> <span class="n">NamedTuple</span>
<span class="k">try</span><span class="p">:</span> <span class="kn">import</span> <span class="nn">termios</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;ERROR: </span><span class="si">{</span><span class="n">e</span><span class="si">}</span><span class="s1">&#39;</span><span class="p">)</span>
<span class="n">exit</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<div class="viewcode-block" id="Mv"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.libbpytop.term.html#TermTk.libbpytop.term.Mv">[docs]</a><span class="k">class</span> <span class="nc">Mv</span><span class="p">:</span>
<span class="sd">&quot;&quot;&quot;Class with collection of cursor movement functions: .t[o](line, column) | .r[ight](columns) | .l[eft](columns) | .u[p](lines) | .d[own](lines) | .save() | .restore()&quot;&quot;&quot;</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">to</span><span class="p">(</span><span class="n">line</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">col</span><span class="p">:</span> <span class="nb">int</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
<span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="se">\033</span><span class="s1">[</span><span class="si">{</span><span class="n">line</span><span class="si">}</span><span class="s1">;</span><span class="si">{</span><span class="n">col</span><span class="si">}</span><span class="s1">f&#39;</span> <span class="c1">#* Move cursor to line, column</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">right</span><span class="p">(</span><span class="n">x</span><span class="p">:</span> <span class="nb">int</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span> <span class="c1">#* Move cursor right x columns</span>
<span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="se">\033</span><span class="s1">[</span><span class="si">{</span><span class="n">x</span><span class="si">}</span><span class="s1">C&#39;</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">left</span><span class="p">(</span><span class="n">x</span><span class="p">:</span> <span class="nb">int</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span> <span class="c1">#* Move cursor left x columns</span>
<span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="se">\033</span><span class="s1">[</span><span class="si">{</span><span class="n">x</span><span class="si">}</span><span class="s1">D&#39;</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">up</span><span class="p">(</span><span class="n">x</span><span class="p">:</span> <span class="nb">int</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span> <span class="c1">#* Move cursor up x lines</span>
<span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="se">\033</span><span class="s1">[</span><span class="si">{</span><span class="n">x</span><span class="si">}</span><span class="s1">A&#39;</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">down</span><span class="p">(</span><span class="n">x</span><span class="p">:</span> <span class="nb">int</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span> <span class="c1">#* Move cursor down x lines</span>
<span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="se">\033</span><span class="s1">[</span><span class="si">{</span><span class="n">x</span><span class="si">}</span><span class="s1">B&#39;</span>
<span class="n">save</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[s&quot;</span> <span class="c1">#* Save cursor position</span>
<span class="n">restore</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[u&quot;</span> <span class="c1">#* Restore saved cursor postion</span>
<span class="n">t</span> <span class="o">=</span> <span class="n">to</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">right</span>
<span class="n">l</span> <span class="o">=</span> <span class="n">left</span>
<span class="n">u</span> <span class="o">=</span> <span class="n">up</span>
<span class="n">d</span> <span class="o">=</span> <span class="n">down</span></div>
<div class="viewcode-block" id="Term"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.libbpytop.term.html#TermTk.libbpytop.term.Term">[docs]</a><span class="k">class</span> <span class="nc">Term</span><span class="p">:</span>
<span class="sd">&quot;&quot;&quot;Terminal info and commands&quot;&quot;&quot;</span>
<span class="n">title</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;TermTk&quot;</span>
<span class="n">mouse</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">width</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">height</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">fg</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span> <span class="c1">#* Default foreground color</span>
<span class="n">bg</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span> <span class="c1">#* Default background color</span>
<span class="n">hide_cursor</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[?25l&quot;</span> <span class="c1">#* Hide terminal cursor</span>
<span class="n">show_cursor</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[?25h&quot;</span> <span class="c1">#* Show terminal cursor</span>
<span class="n">alt_screen</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[?1049h&quot;</span> <span class="c1">#* Switch to alternate screen</span>
<span class="n">normal_screen</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[?1049l&quot;</span> <span class="c1">#* Switch to normal screen</span>
<span class="n">clear</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[2J</span><span class="se">\033</span><span class="s2">[0;0f&quot;</span> <span class="c1">#* Clear screen and set cursor to position 0,0</span>
<span class="n">mouse_on</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[?1002h</span><span class="se">\033</span><span class="s2">[?1015h</span><span class="se">\033</span><span class="s2">[?1006h&quot;</span> <span class="c1">#* Enable reporting of mouse position on click and release</span>
<span class="n">mouse_off</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[?1002l&quot;</span> <span class="c1">#* Disable mouse reporting</span>
<span class="n">mouse_direct_on</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[?1003h&quot;</span> <span class="c1">#* Enable reporting of mouse position at any movement</span>
<span class="n">mouse_direct_off</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[?1003l&quot;</span> <span class="c1">#* Disable direct mouse reporting</span>
<span class="c1"># from:</span>
<span class="c1"># https://superuser.com/questions/607478/how-do-you-change-the-xterm-cursor-to-an-i-beam-or-vertical-bar</span>
<span class="c1"># echo -e -n &quot;\x1b[\x30 q&quot; # changes to blinking block</span>
<span class="c1"># echo -e -n &quot;\x1b[\x31 q&quot; # changes to blinking block also</span>
<span class="c1"># echo -e -n &quot;\x1b[\x32 q&quot; # changes to steady block</span>
<span class="c1"># echo -e -n &quot;\x1b[\x33 q&quot; # changes to blinking underline</span>
<span class="c1"># echo -e -n &quot;\x1b[\x34 q&quot; # changes to steady underline</span>
<span class="c1"># echo -e -n &quot;\x1b[\x35 q&quot; # changes to blinking bar</span>
<span class="c1"># echo -e -n &quot;\x1b[\x36 q&quot; # changes to steady bar</span>
<span class="n">cursor_blinking_block</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[</span><span class="se">\x30</span><span class="s2"> q&quot;</span>
<span class="n">cursor_blinking_block_also</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[</span><span class="se">\x31</span><span class="s2"> q&quot;</span>
<span class="n">cursor_steady_block</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[</span><span class="se">\x32</span><span class="s2"> q&quot;</span>
<span class="n">cursor_blinking_underline</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[</span><span class="se">\x33</span><span class="s2"> q&quot;</span>
<span class="n">cursor_steady_underline</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[</span><span class="se">\x34</span><span class="s2"> q&quot;</span>
<span class="n">cursor_blinking_bar</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[</span><span class="se">\x35</span><span class="s2"> q&quot;</span>
<span class="n">cursor_steady_bar</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\033</span><span class="s2">[</span><span class="se">\x36</span><span class="s2"> q&quot;</span>
<span class="n">_sigWinChCb</span> <span class="o">=</span> <span class="kc">None</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">showCursor</span><span class="p">(</span><span class="n">cursor</span><span class="p">):</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">cursor</span><span class="p">)</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">show_cursor</span><span class="p">)</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">hideCursor</span><span class="p">():</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">hide_cursor</span><span class="p">)</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">init</span><span class="p">(</span><span class="n">mouse</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> <span class="n">title</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;TermTk&quot;</span><span class="p">):</span>
<span class="n">Term</span><span class="o">.</span><span class="n">title</span> <span class="o">=</span> <span class="n">title</span>
<span class="n">Term</span><span class="o">.</span><span class="n">mouse</span> <span class="o">=</span> <span class="n">mouse</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">alt_screen</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">clear</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">hide_cursor</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">escTitle</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">title</span><span class="p">))</span>
<span class="k">if</span> <span class="n">Term</span><span class="o">.</span><span class="n">mouse</span><span class="p">:</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">mouse_on</span><span class="p">)</span>
<span class="n">Term</span><span class="o">.</span><span class="n">echo</span><span class="p">(</span><span class="kc">False</span><span class="p">)</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">stop</span><span class="p">():</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">mouse_off</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">mouse_direct_off</span><span class="p">)</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">clear</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">normal_screen</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">show_cursor</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">escTitle</span><span class="p">())</span>
<span class="n">Term</span><span class="o">.</span><span class="n">echo</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">cont</span><span class="p">():</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">alt_screen</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">clear</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">hide_cursor</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">escTitle</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">title</span><span class="p">))</span>
<span class="k">if</span> <span class="n">Term</span><span class="o">.</span><span class="n">mouse</span><span class="p">:</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">mouse_on</span><span class="p">)</span>
<span class="n">Term</span><span class="o">.</span><span class="n">echo</span><span class="p">(</span><span class="kc">False</span><span class="p">)</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">exit</span><span class="p">():</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">mouse_off</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">mouse_direct_off</span><span class="p">)</span>
<span class="n">Term</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">clear</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">normal_screen</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">show_cursor</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">escTitle</span><span class="p">())</span>
<span class="n">Term</span><span class="o">.</span><span class="n">echo</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
<div class="viewcode-block" id="Term.echo"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.libbpytop.term.html#TermTk.libbpytop.term.Term.echo">[docs]</a> <span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">echo</span><span class="p">(</span><span class="n">on</span><span class="p">:</span> <span class="nb">bool</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;Toggle input echo&quot;&quot;&quot;</span>
<span class="p">(</span><span class="n">iflag</span><span class="p">,</span> <span class="n">oflag</span><span class="p">,</span> <span class="n">cflag</span><span class="p">,</span> <span class="n">lflag</span><span class="p">,</span> <span class="n">ispeed</span><span class="p">,</span> <span class="n">ospeed</span><span class="p">,</span> <span class="n">cc</span><span class="p">)</span> <span class="o">=</span> <span class="n">termios</span><span class="o">.</span><span class="n">tcgetattr</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">stdin</span><span class="o">.</span><span class="n">fileno</span><span class="p">())</span>
<span class="k">if</span> <span class="n">on</span><span class="p">:</span>
<span class="n">lflag</span> <span class="o">|=</span> <span class="n">termios</span><span class="o">.</span><span class="n">ECHO</span> <span class="c1"># type: ignore</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">lflag</span> <span class="o">&amp;=</span> <span class="o">~</span><span class="n">termios</span><span class="o">.</span><span class="n">ECHO</span> <span class="c1"># type: ignore</span>
<span class="n">new_attr</span> <span class="o">=</span> <span class="p">[</span><span class="n">iflag</span><span class="p">,</span> <span class="n">oflag</span><span class="p">,</span> <span class="n">cflag</span><span class="p">,</span> <span class="n">lflag</span><span class="p">,</span> <span class="n">ispeed</span><span class="p">,</span> <span class="n">ospeed</span><span class="p">,</span> <span class="n">cc</span><span class="p">]</span>
<span class="n">termios</span><span class="o">.</span><span class="n">tcsetattr</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">stdin</span><span class="o">.</span><span class="n">fileno</span><span class="p">(),</span> <span class="n">termios</span><span class="o">.</span><span class="n">TCSANOW</span><span class="p">,</span> <span class="n">new_attr</span><span class="p">)</span></div>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">push</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="nb">print</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="n">sep</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">end</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">flush</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">BlockingIOError</span><span class="p">:</span>
<span class="k">pass</span>
<span class="nb">print</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="n">sep</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">end</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">flush</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">escTitle</span><span class="p">(</span><span class="n">text</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">out</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;TERMINAL_TITLE&quot;</span><span class="p">,</span> <span class="s2">&quot;&quot;</span><span class="p">)</span><span class="si">}</span><span class="s1">&#39;</span>
<span class="k">if</span> <span class="n">out</span> <span class="ow">and</span> <span class="n">text</span><span class="p">:</span> <span class="n">out</span> <span class="o">+=</span> <span class="s2">&quot; &quot;</span>
<span class="k">if</span> <span class="n">text</span><span class="p">:</span> <span class="n">out</span> <span class="o">+=</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">text</span><span class="si">}</span><span class="s1">&#39;</span>
<span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="se">\033</span><span class="s1">]0;</span><span class="si">{</span><span class="n">out</span><span class="si">}</span><span class="se">\a</span><span class="s1">&#39;</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">_sigWinCh</span><span class="p">(</span><span class="n">signum</span><span class="p">,</span> <span class="n">frame</span><span class="p">):</span>
<span class="n">Term</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">get_terminal_size</span><span class="p">()</span>
<span class="k">if</span> <span class="n">Term</span><span class="o">.</span><span class="n">_sigWinChCb</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">Term</span><span class="o">.</span><span class="n">_sigWinChCb</span><span class="p">(</span><span class="n">Term</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">height</span><span class="p">)</span>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">registerResizeCb</span><span class="p">(</span><span class="n">callback</span><span class="p">):</span>
<span class="n">Term</span><span class="o">.</span><span class="n">_sigWinChCb</span> <span class="o">=</span> <span class="n">callback</span>
<span class="c1"># Dummy call to retrieve the terminal size</span>
<span class="n">Term</span><span class="o">.</span><span class="n">_sigWinCh</span><span class="p">(</span><span class="n">signal</span><span class="o">.</span><span class="n">SIGWINCH</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">signal</span><span class="o">.</span><span class="n">signal</span><span class="p">(</span><span class="n">signal</span><span class="o">.</span><span class="n">SIGWINCH</span><span class="p">,</span> <span class="n">Term</span><span class="o">.</span><span class="n">_sigWinCh</span><span class="p">)</span></div>
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