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<div class="section" id="user-interfaces-example-code-interactive2-py">
<span id="user-interfaces-interactive2"></span><h1>user_interfaces example code: interactive2.py<a class="headerlink" href="#user-interfaces-example-code-interactive2-py" title="Permalink to this headline">ΒΆ</a></h1>
<p>[<a class="reference external" href="interactive2.py">source code</a>]</p>
<div class="highlight-python"><div class="highlight"><pre><span class="c">#!/usr/bin/env python</span>
<span class="c"># GTK Interactive Console</span>
<span class="c"># (C) 2003, Jon Anderson</span>
<span class="c"># See www.python.org/2.2/license.html for</span>
<span class="c"># license details.</span>
<span class="c">#</span>
<span class="kn">import</span> <span class="nn">gtk</span>
<span class="kn">import</span> <span class="nn">gtk.gdk</span>
<span class="kn">import</span> <span class="nn">code</span>
<span class="kn">import</span> <span class="nn">os</span><span class="o">,</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">pango</span>
<span class="kn">import</span> <span class="nn">__builtin__</span>
<span class="kn">import</span> <span class="nn">__main__</span>
<span class="n">banner</span> <span class="o">=</span> <span class="s">"""GTK Interactive Python Console</span>
<span class="s">Thanks to Jon Anderson</span>
<span class="si">%s</span><span class="s"></span>
<span class="s">"""</span> <span class="o">%</span> <span class="n">sys</span><span class="o">.</span><span class="n">version</span>
<span class="n">banner</span> <span class="o">+=</span> <span class="s">"""</span>
<span class="s">Welcome to matplotlib.</span>
<span class="s"> help(matplotlib) -- some general information about matplotlib</span>
<span class="s"> help(plotting) -- shows a list of plot specific commands</span>
<span class="s">"""</span>
<span class="k">class</span> <span class="nc">Completer</span><span class="p">:</span>
<span class="sd">"""</span>
<span class="sd"> Taken from rlcompleter, with readline references stripped, and a local dictionary to use.</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">locals</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">locals</span> <span class="o">=</span> <span class="nb">locals</span>
<span class="k">def</span> <span class="nf">complete</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">,</span> <span class="n">state</span><span class="p">):</span>
<span class="sd">"""Return the next possible completion for 'text'.</span>
<span class="sd"> This is called successively with state == 0, 1, 2, ... until it</span>
<span class="sd"> returns None. The completion should begin with 'text'.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">state</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">if</span> <span class="s">"."</span> <span class="ow">in</span> <span class="n">text</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">matches</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">attr_matches</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">matches</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">global_matches</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">matches</span><span class="p">[</span><span class="n">state</span><span class="p">]</span>
<span class="k">except</span> <span class="ne">IndexError</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">None</span>
<span class="k">def</span> <span class="nf">global_matches</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">):</span>
<span class="sd">"""Compute matches when text is a simple name.</span>
<span class="sd"> Return a list of all keywords, built-in functions and names</span>
<span class="sd"> currently defines in __main__ that match.</span>
<span class="sd"> """</span>
<span class="kn">import</span> <span class="nn">keyword</span>
<span class="n">matches</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">n</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
<span class="k">for</span> <span class="nb">list</span> <span class="ow">in</span> <span class="p">[</span><span class="n">keyword</span><span class="o">.</span><span class="n">kwlist</span><span class="p">,</span><span class="n">__builtin__</span><span class="o">.</span><span class="n">__dict__</span><span class="o">.</span><span class="n">keys</span><span class="p">(),</span><span class="n">__main__</span><span class="o">.</span><span class="n">__dict__</span><span class="o">.</span><span class="n">keys</span><span class="p">(),</span> <span class="bp">self</span><span class="o">.</span><span class="n">locals</span><span class="o">.</span><span class="n">keys</span><span class="p">()]:</span>
<span class="k">for</span> <span class="n">word</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">:</span>
<span class="k">if</span> <span class="n">word</span><span class="p">[:</span><span class="n">n</span><span class="p">]</span> <span class="o">==</span> <span class="n">text</span> <span class="ow">and</span> <span class="n">word</span> <span class="o">!=</span> <span class="s">"__builtins__"</span><span class="p">:</span>
<span class="n">matches</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">word</span><span class="p">)</span>
<span class="k">return</span> <span class="n">matches</span>
<span class="k">def</span> <span class="nf">attr_matches</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">):</span>
<span class="sd">"""Compute matches when text contains a dot.</span>
<span class="sd"> Assuming the text is of the form NAME.NAME....[NAME], and is</span>
<span class="sd"> evaluatable in the globals of __main__, it will be evaluated</span>
<span class="sd"> and its attributes (as revealed by dir()) are used as possible</span>
<span class="sd"> completions. (For class instances, class members are are also</span>
<span class="sd"> considered.)</span>
<span class="sd"> WARNING: this can still invoke arbitrary C code, if an object</span>
<span class="sd"> with a __getattr__ hook is evaluated.</span>
<span class="sd"> """</span>
<span class="kn">import</span> <span class="nn">re</span>
<span class="n">m</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="s">r"(\w+(\.\w+)*)\.(\w*)"</span><span class="p">,</span> <span class="n">text</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">m</span><span class="p">:</span>
<span class="k">return</span>
<span class="n">expr</span><span class="p">,</span> <span class="n">attr</span> <span class="o">=</span> <span class="n">m</span><span class="o">.</span><span class="n">group</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">3</span><span class="p">)</span>
<span class="nb">object</span> <span class="o">=</span> <span class="nb">eval</span><span class="p">(</span><span class="n">expr</span><span class="p">,</span> <span class="n">__main__</span><span class="o">.</span><span class="n">__dict__</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">locals</span><span class="p">)</span>
<span class="n">words</span> <span class="o">=</span> <span class="nb">dir</span><span class="p">(</span><span class="nb">object</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="nb">object</span><span class="p">,</span><span class="s">'__class__'</span><span class="p">):</span>
<span class="n">words</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">'__class__'</span><span class="p">)</span>
<span class="n">words</span> <span class="o">=</span> <span class="n">words</span> <span class="o">+</span> <span class="n">get_class_members</span><span class="p">(</span><span class="nb">object</span><span class="o">.</span><span class="n">__class__</span><span class="p">)</span>
<span class="n">matches</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">n</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">attr</span><span class="p">)</span>
<span class="k">for</span> <span class="n">word</span> <span class="ow">in</span> <span class="n">words</span><span class="p">:</span>
<span class="k">if</span> <span class="n">word</span><span class="p">[:</span><span class="n">n</span><span class="p">]</span> <span class="o">==</span> <span class="n">attr</span> <span class="ow">and</span> <span class="n">word</span> <span class="o">!=</span> <span class="s">"__builtins__"</span><span class="p">:</span>
<span class="n">matches</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"</span><span class="si">%s</span><span class="s">.</span><span class="si">%s</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">expr</span><span class="p">,</span> <span class="n">word</span><span class="p">))</span>
<span class="k">return</span> <span class="n">matches</span>
<span class="k">def</span> <span class="nf">get_class_members</span><span class="p">(</span><span class="n">klass</span><span class="p">):</span>
<span class="n">ret</span> <span class="o">=</span> <span class="nb">dir</span><span class="p">(</span><span class="n">klass</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span><span class="s">'__bases__'</span><span class="p">):</span>
<span class="k">for</span> <span class="n">base</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">__bases__</span><span class="p">:</span>
<span class="n">ret</span> <span class="o">=</span> <span class="n">ret</span> <span class="o">+</span> <span class="n">get_class_members</span><span class="p">(</span><span class="n">base</span><span class="p">)</span>
<span class="k">return</span> <span class="n">ret</span>
<span class="k">class</span> <span class="nc">OutputStream</span><span class="p">:</span>
<span class="sd">"""</span>
<span class="sd"> A Multiplexing output stream.</span>
<span class="sd"> It can replace another stream, and tee output to the original stream and too</span>
<span class="sd"> a GTK textview.</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">view</span><span class="p">,</span><span class="n">old_out</span><span class="p">,</span><span class="n">style</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">view</span> <span class="o">=</span> <span class="n">view</span>
<span class="bp">self</span><span class="o">.</span><span class="n">buffer</span> <span class="o">=</span> <span class="n">view</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">mark</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">buffer</span><span class="o">.</span><span class="n">create_mark</span><span class="p">(</span><span class="s">"End"</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">buffer</span><span class="o">.</span><span class="n">get_end_iter</span><span class="p">(),</span> <span class="bp">False</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">out</span> <span class="o">=</span> <span class="n">old_out</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style</span> <span class="o">=</span> <span class="n">style</span>
<span class="bp">self</span><span class="o">.</span><span class="n">tee</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">def</span> <span class="nf">write</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">text</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">tee</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">out</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
<span class="n">end</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">buffer</span><span class="o">.</span><span class="n">get_end_iter</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">view</span> <span class="o">==</span> <span class="bp">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">view</span><span class="o">.</span><span class="n">scroll_to_mark</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mark</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">True</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">buffer</span><span class="o">.</span><span class="n">insert_with_tags</span><span class="p">(</span><span class="n">end</span><span class="p">,</span><span class="n">text</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">style</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">GTKInterpreterConsole</span><span class="p">(</span><span class="n">gtk</span><span class="o">.</span><span class="n">ScrolledWindow</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> An InteractiveConsole for GTK. It's an actual widget,</span>
<span class="sd"> so it can be dropped in just about anywhere.</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">gtk</span><span class="o">.</span><span class="n">ScrolledWindow</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_policy</span> <span class="p">(</span><span class="n">gtk</span><span class="o">.</span><span class="n">POLICY_AUTOMATIC</span><span class="p">,</span><span class="n">gtk</span><span class="o">.</span><span class="n">POLICY_AUTOMATIC</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">TextView</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">set_wrap_mode</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">interpreter</span> <span class="o">=</span> <span class="n">code</span><span class="o">.</span><span class="n">InteractiveInterpreter</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">completer</span> <span class="o">=</span> <span class="n">Completer</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">interpreter</span><span class="o">.</span><span class="n">locals</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">buffer</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">history</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">banner</span> <span class="o">=</span> <span class="n">banner</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ps1</span> <span class="o">=</span> <span class="s">">>> "</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ps2</span> <span class="o">=</span> <span class="s">"... "</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">add_events</span><span class="p">(</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">KEY_PRESS_MASK</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span> <span class="s">"key_press_event"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">key_pressed</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span>
<span class="bp">self</span><span class="o">.</span><span class="n">mark</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">create_mark</span><span class="p">(</span><span class="s">"End"</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_end_iter</span><span class="p">(),</span> <span class="bp">False</span> <span class="p">)</span>
<span class="c">#setup colors</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_banner</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">TextTag</span><span class="p">(</span><span class="s">"banner"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_banner</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span> <span class="s">"foreground"</span><span class="p">,</span> <span class="s">"saddle brown"</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_ps1</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">TextTag</span><span class="p">(</span><span class="s">"ps1"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_ps1</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span> <span class="s">"foreground"</span><span class="p">,</span> <span class="s">"DarkOrchid4"</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_ps1</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span> <span class="s">"editable"</span><span class="p">,</span> <span class="bp">False</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_ps1</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span><span class="s">"font"</span><span class="p">,</span> <span class="s">"courier"</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_ps2</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">TextTag</span><span class="p">(</span><span class="s">"ps2"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_ps2</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span> <span class="s">"foreground"</span><span class="p">,</span> <span class="s">"DarkOliveGreen"</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_ps2</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span> <span class="s">"editable"</span><span class="p">,</span> <span class="bp">False</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_ps2</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span><span class="s">"font"</span><span class="p">,</span> <span class="s">"courier"</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_out</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">TextTag</span><span class="p">(</span><span class="s">"stdout"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_out</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span> <span class="s">"foreground"</span><span class="p">,</span> <span class="s">"midnight blue"</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_err</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">TextTag</span><span class="p">(</span><span class="s">"stderr"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_err</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span> <span class="s">"style"</span><span class="p">,</span> <span class="n">pango</span><span class="o">.</span><span class="n">STYLE_ITALIC</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">style_err</span><span class="o">.</span><span class="n">set_property</span><span class="p">(</span> <span class="s">"foreground"</span><span class="p">,</span> <span class="s">"red"</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_tag_table</span><span class="p">()</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">style_banner</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_tag_table</span><span class="p">()</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">style_ps1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_tag_table</span><span class="p">()</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">style_ps2</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_tag_table</span><span class="p">()</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">style_out</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_tag_table</span><span class="p">()</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">style_err</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stdout</span> <span class="o">=</span> <span class="n">OutputStream</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="p">,</span><span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">style_out</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stderr</span> <span class="o">=</span> <span class="n">OutputStream</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="p">,</span><span class="n">sys</span><span class="o">.</span><span class="n">stderr</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">style_err</span><span class="p">)</span>
<span class="n">sys</span><span class="o">.</span><span class="n">stderr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">stderr</span>
<span class="n">sys</span><span class="o">.</span><span class="n">stdout</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">stdout</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_prompt</span> <span class="o">=</span> <span class="bp">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">banner</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">style_banner</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">prompt_ps1</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">show</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">reset_history</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">history</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">def</span> <span class="nf">reset_buffer</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">buffer</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">def</span> <span class="nf">prompt_ps1</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_prompt</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">prompt_ps1</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ps1</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">style_ps1</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">prompt_ps2</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_prompt</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">prompt_ps2</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">ps2</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">style_ps2</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">write_line</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">text</span><span class="p">,</span><span class="n">style</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
<span class="n">start</span><span class="p">,</span><span class="n">end</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_bounds</span><span class="p">()</span>
<span class="k">if</span> <span class="n">style</span><span class="o">==</span><span class="bp">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span><span class="n">end</span><span class="p">,</span><span class="n">text</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">insert_with_tags</span><span class="p">(</span><span class="n">end</span><span class="p">,</span><span class="n">text</span><span class="p">,</span><span class="n">style</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">scroll_to_mark</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mark</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">True</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">push</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">line</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">buffer</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">line</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">history</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>
<span class="n">source</span> <span class="o">=</span> <span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">buffer</span><span class="p">)</span>
<span class="n">more</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">interpreter</span><span class="o">.</span><span class="n">runsource</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="s">"<<console>>"</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">more</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">reset_buffer</span><span class="p">()</span>
<span class="k">return</span> <span class="n">more</span>
<span class="k">def</span> <span class="nf">key_pressed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">widget</span><span class="p">,</span><span class="n">event</span><span class="p">):</span>
<span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">keyval</span> <span class="o">==</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">keyval_from_name</span><span class="p">(</span><span class="s">'Return'</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">execute_line</span><span class="p">()</span>
<span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">keyval</span> <span class="o">==</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">keyval_from_name</span><span class="p">(</span><span class="s">'Up'</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">-</span> <span class="mi">1</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o"><</span> <span class="o">-</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">history</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">=</span> <span class="o">-</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">history</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">show_history</span><span class="p">()</span>
<span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">keyval</span> <span class="o">==</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">keyval_from_name</span><span class="p">(</span><span class="s">'Down'</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">+</span> <span class="mi">1</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">show_history</span><span class="p">()</span>
<span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">keyval</span> <span class="o">==</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">keyval_from_name</span><span class="p">(</span> <span class="s">'Home'</span><span class="p">):</span>
<span class="n">l</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_line_count</span><span class="p">()</span> <span class="o">-</span> <span class="mi">1</span>
<span class="n">start</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_iter_at_line_offset</span><span class="p">(</span><span class="n">l</span><span class="p">,</span><span class="mi">4</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">place_cursor</span><span class="p">(</span><span class="n">start</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">True</span>
<span class="k">elif</span> <span class="n">event</span><span class="o">.</span><span class="n">keyval</span> <span class="o">==</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">keyval_from_name</span><span class="p">(</span> <span class="s">'space'</span><span class="p">)</span> <span class="ow">and</span> <span class="n">event</span><span class="o">.</span><span class="n">state</span> <span class="o">&</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">CONTROL_MASK</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">complete_line</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">False</span>
<span class="k">def</span> <span class="nf">show_history</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">replace_line</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">history</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">current_history</span><span class="p">]</span> <span class="p">)</span>
<span class="k">return</span> <span class="bp">True</span>
<span class="k">def</span> <span class="nf">current_line</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">start</span><span class="p">,</span><span class="n">end</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_line_bounds</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_text</span><span class="p">(</span><span class="n">start</span><span class="p">,</span><span class="n">end</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">current_line_bounds</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">txt_buffer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span>
<span class="n">l</span> <span class="o">=</span> <span class="n">txt_buffer</span><span class="o">.</span><span class="n">get_line_count</span><span class="p">()</span> <span class="o">-</span> <span class="mi">1</span>
<span class="n">start</span> <span class="o">=</span> <span class="n">txt_buffer</span><span class="o">.</span><span class="n">get_iter_at_line</span><span class="p">(</span><span class="n">l</span><span class="p">)</span>
<span class="k">if</span> <span class="n">start</span><span class="o">.</span><span class="n">get_chars_in_line</span><span class="p">()</span> <span class="o">>=</span> <span class="mi">4</span><span class="p">:</span>
<span class="n">start</span><span class="o">.</span><span class="n">forward_chars</span><span class="p">(</span><span class="mi">4</span><span class="p">)</span>
<span class="n">end</span> <span class="o">=</span> <span class="n">txt_buffer</span><span class="o">.</span><span class="n">get_end_iter</span><span class="p">()</span>
<span class="k">return</span> <span class="n">start</span><span class="p">,</span><span class="n">end</span>
<span class="k">def</span> <span class="nf">replace_line</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">txt</span><span class="p">):</span>
<span class="n">start</span><span class="p">,</span><span class="n">end</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_line_bounds</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">delete</span><span class="p">(</span><span class="n">start</span><span class="p">,</span><span class="n">end</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="n">txt</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">execute_line</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">line</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">line</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="n">line</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_line</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="n">line</span> <span class="o">+</span> <span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="p">)</span>
<span class="n">more</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">push</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">place_cursor</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">get_buffer</span><span class="p">()</span><span class="o">.</span><span class="n">get_end_iter</span><span class="p">())</span>
<span class="k">if</span> <span class="n">more</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">prompt_ps2</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">prompt_ps1</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_history</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">window</span><span class="o">.</span><span class="n">raise_</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">True</span>
<span class="k">def</span> <span class="nf">complete_line</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">line</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">current_line</span><span class="p">()</span>
<span class="n">tokens</span> <span class="o">=</span> <span class="n">line</span><span class="o">.</span><span class="n">split</span><span class="p">()</span>
<span class="n">token</span> <span class="o">=</span> <span class="n">tokens</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
<span class="n">completions</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">p</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">completer</span><span class="o">.</span><span class="n">complete</span><span class="p">(</span><span class="n">token</span><span class="p">,</span><span class="nb">len</span><span class="p">(</span><span class="n">completions</span><span class="p">))</span>
<span class="k">while</span> <span class="n">p</span> <span class="o">!=</span> <span class="bp">None</span><span class="p">:</span>
<span class="n">completions</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">p</span><span class="p">)</span>
<span class="n">p</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">completer</span><span class="o">.</span><span class="n">complete</span><span class="p">(</span><span class="n">token</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">completions</span><span class="p">))</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">completions</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">completions</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">style_ps1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_prompt</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">write_line</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">i</span> <span class="o">=</span> <span class="n">line</span><span class="o">.</span><span class="n">rfind</span><span class="p">(</span><span class="n">token</span><span class="p">)</span>
<span class="n">line</span> <span class="o">=</span> <span class="n">line</span><span class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="n">i</span><span class="p">]</span> <span class="o">+</span> <span class="n">completions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">replace_line</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">True</span>
<span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
<span class="n">w</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">Window</span><span class="p">()</span>
<span class="n">console</span> <span class="o">=</span> <span class="n">GTKInterpreterConsole</span><span class="p">()</span>
<span class="n">console</span><span class="o">.</span><span class="n">set_size_request</span><span class="p">(</span><span class="mi">640</span><span class="p">,</span><span class="mi">480</span><span class="p">)</span>
<span class="n">w</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">console</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">destroy</span><span class="p">(</span><span class="n">arg</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span>
<span class="n">gtk</span><span class="o">.</span><span class="n">main_quit</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">key_event</span><span class="p">(</span><span class="n">widget</span><span class="p">,</span><span class="n">event</span><span class="p">):</span>
<span class="k">if</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">keyval_name</span><span class="p">(</span> <span class="n">event</span><span class="o">.</span><span class="n">keyval</span><span class="p">)</span> <span class="o">==</span> <span class="s">'d'</span> <span class="ow">and</span> \
<span class="n">event</span><span class="o">.</span><span class="n">state</span> <span class="o">&</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">CONTROL_MASK</span><span class="p">:</span>
<span class="n">destroy</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">False</span>
<span class="n">w</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">"destroy"</span><span class="p">,</span> <span class="n">destroy</span><span class="p">)</span>
<span class="n">w</span><span class="o">.</span><span class="n">add_events</span><span class="p">(</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">KEY_PRESS_MASK</span> <span class="p">)</span>
<span class="n">w</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span> <span class="s">'key_press_event'</span><span class="p">,</span> <span class="n">key_event</span><span class="p">)</span>
<span class="n">w</span><span class="o">.</span><span class="n">show_all</span><span class="p">()</span>
<span class="n">console</span><span class="o">.</span><span class="n">execute_line</span><span class="p">(</span><span class="s">'import matplotlib'</span><span class="p">)</span>
<span class="n">console</span><span class="o">.</span><span class="n">execute_line</span><span class="p">(</span><span class="s">"matplotlib.use('GTKAgg')"</span><span class="p">)</span>
<span class="n">console</span><span class="o">.</span><span class="n">execute_line</span><span class="p">(</span><span class="s">'matplotlib.interactive(1)'</span><span class="p">)</span>
<span class="n">console</span><span class="o">.</span><span class="n">execute_line</span><span class="p">(</span><span class="s">'from pylab import *'</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">argv</span><span class="p">)</span><span class="o">></span><span class="mi">1</span><span class="p">:</span>
<span class="n">fname</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">fname</span><span class="p">):</span>
<span class="k">print</span> <span class="o">>></span> <span class="n">sys</span><span class="o">.</span><span class="n">stderr</span><span class="p">,</span> <span class="s">'</span><span class="si">%s</span><span class="s"> does not exist'</span> <span class="o">%</span> <span class="n">fname</span>
<span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="nb">file</span><span class="p">(</span><span class="n">fname</span><span class="p">):</span>
<span class="n">line</span> <span class="o">=</span> <span class="n">line</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
<span class="n">console</span><span class="o">.</span><span class="n">execute_line</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>
<span class="n">gtk</span><span class="o">.</span><span class="n">main</span><span class="p">()</span>
<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">'__main__'</span><span class="p">:</span>
<span class="n">main</span><span class="p">()</span>
</pre></div>
</div>
<p>Keywords: python, matplotlib, pylab, example, codex (see <a class="reference internal" href="../../faq/howto_faq.html#how-to-search-examples"><em>Search examples</em></a>)</p>
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distrib
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Mandriva
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2010.2
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i586
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media
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contrib-backports
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by-pkgid
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