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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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<html xmlns="http://www.w3.org/1999/xhtml">
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<h1>Source code for matplotlib.pyplot</h1><div class="highlight"><pre>
<span></span><span class="c1"># Note: The first part of this file can be modified in place, but the latter</span>
<span class="c1"># part is autogenerated by the boilerplate.py script.</span>
<span class="sd">"""</span>
<span class="sd">`matplotlib.pyplot` is a state-based interface to matplotlib. It provides</span>
<span class="sd">a MATLAB-like way of plotting.</span>
<span class="sd">pyplot is mainly intended for interactive plots and simple cases of programmatic</span>
<span class="sd">plot generation::</span>
<span class="sd"> import numpy as np</span>
<span class="sd"> import matplotlib.pyplot as plt</span>
<span class="sd"> x = np.arange(0, 5, 0.1)</span>
<span class="sd"> y = np.sin(x)</span>
<span class="sd"> plt.plot(x, y)</span>
<span class="sd">The object-oriented API is recommended for more complex plots.</span>
<span class="sd">"""</span>
<span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="p">(</span><span class="n">absolute_import</span><span class="p">,</span> <span class="n">division</span><span class="p">,</span> <span class="n">print_function</span><span class="p">,</span>
<span class="n">unicode_literals</span><span class="p">)</span>
<span class="kn">import</span> <span class="nn">six</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">time</span>
<span class="kn">import</span> <span class="nn">warnings</span>
<span class="kn">from</span> <span class="nn">cycler</span> <span class="k">import</span> <span class="n">cycler</span>
<span class="kn">import</span> <span class="nn">matplotlib</span>
<span class="kn">import</span> <span class="nn">matplotlib.colorbar</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">style</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">_pylab_helpers</span><span class="p">,</span> <span class="n">interactive</span>
<span class="kn">from</span> <span class="nn">matplotlib.cbook</span> <span class="k">import</span> <span class="n">dedent</span><span class="p">,</span> <span class="n">silent_list</span><span class="p">,</span> <span class="n">is_numlike</span>
<span class="kn">from</span> <span class="nn">matplotlib.cbook</span> <span class="k">import</span> <span class="n">_string_to_bool</span>
<span class="kn">from</span> <span class="nn">matplotlib.cbook</span> <span class="k">import</span> <span class="n">deprecated</span><span class="p">,</span> <span class="n">warn_deprecated</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">docstring</span>
<span class="kn">from</span> <span class="nn">matplotlib.backend_bases</span> <span class="k">import</span> <span class="n">FigureCanvasBase</span>
<span class="kn">from</span> <span class="nn">matplotlib.figure</span> <span class="k">import</span> <span class="n">Figure</span><span class="p">,</span> <span class="n">figaspect</span>
<span class="kn">from</span> <span class="nn">matplotlib.gridspec</span> <span class="k">import</span> <span class="n">GridSpec</span>
<span class="kn">from</span> <span class="nn">matplotlib.image</span> <span class="k">import</span> <span class="n">imread</span> <span class="k">as</span> <span class="n">_imread</span>
<span class="kn">from</span> <span class="nn">matplotlib.image</span> <span class="k">import</span> <span class="n">imsave</span> <span class="k">as</span> <span class="n">_imsave</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">rcParams</span><span class="p">,</span> <span class="n">rcParamsDefault</span><span class="p">,</span> <span class="n">get_backend</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">rc_context</span>
<span class="kn">from</span> <span class="nn">matplotlib.rcsetup</span> <span class="k">import</span> <span class="n">interactive_bk</span> <span class="k">as</span> <span class="n">_interactive_bk</span>
<span class="kn">from</span> <span class="nn">matplotlib.artist</span> <span class="k">import</span> <span class="n">getp</span><span class="p">,</span> <span class="n">get</span><span class="p">,</span> <span class="n">Artist</span>
<span class="kn">from</span> <span class="nn">matplotlib.artist</span> <span class="k">import</span> <span class="n">setp</span> <span class="k">as</span> <span class="n">_setp</span>
<span class="kn">from</span> <span class="nn">matplotlib.axes</span> <span class="k">import</span> <span class="n">Axes</span><span class="p">,</span> <span class="n">Subplot</span>
<span class="kn">from</span> <span class="nn">matplotlib.projections</span> <span class="k">import</span> <span class="n">PolarAxes</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">mlab</span> <span class="c1"># for csv2rec, detrend_none, window_hanning</span>
<span class="kn">from</span> <span class="nn">matplotlib.scale</span> <span class="k">import</span> <span class="n">get_scale_docs</span><span class="p">,</span> <span class="n">get_scale_names</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">cm</span>
<span class="kn">from</span> <span class="nn">matplotlib.cm</span> <span class="k">import</span> <span class="n">get_cmap</span><span class="p">,</span> <span class="n">register_cmap</span>
<span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
<span class="c1"># We may not need the following imports here:</span>
<span class="kn">from</span> <span class="nn">matplotlib.colors</span> <span class="k">import</span> <span class="n">Normalize</span>
<span class="kn">from</span> <span class="nn">matplotlib.lines</span> <span class="k">import</span> <span class="n">Line2D</span>
<span class="kn">from</span> <span class="nn">matplotlib.text</span> <span class="k">import</span> <span class="n">Text</span><span class="p">,</span> <span class="n">Annotation</span>
<span class="kn">from</span> <span class="nn">matplotlib.patches</span> <span class="k">import</span> <span class="n">Polygon</span><span class="p">,</span> <span class="n">Rectangle</span><span class="p">,</span> <span class="n">Circle</span><span class="p">,</span> <span class="n">Arrow</span>
<span class="kn">from</span> <span class="nn">matplotlib.widgets</span> <span class="k">import</span> <span class="n">SubplotTool</span><span class="p">,</span> <span class="n">Button</span><span class="p">,</span> <span class="n">Slider</span><span class="p">,</span> <span class="n">Widget</span>
<span class="kn">from</span> <span class="nn">.ticker</span> <span class="k">import</span> <span class="n">TickHelper</span><span class="p">,</span> <span class="n">Formatter</span><span class="p">,</span> <span class="n">FixedFormatter</span><span class="p">,</span> <span class="n">NullFormatter</span><span class="p">,</span>\
<span class="n">FuncFormatter</span><span class="p">,</span> <span class="n">FormatStrFormatter</span><span class="p">,</span> <span class="n">ScalarFormatter</span><span class="p">,</span>\
<span class="n">LogFormatter</span><span class="p">,</span> <span class="n">LogFormatterExponent</span><span class="p">,</span> <span class="n">LogFormatterMathtext</span><span class="p">,</span>\
<span class="n">Locator</span><span class="p">,</span> <span class="n">IndexLocator</span><span class="p">,</span> <span class="n">FixedLocator</span><span class="p">,</span> <span class="n">NullLocator</span><span class="p">,</span>\
<span class="n">LinearLocator</span><span class="p">,</span> <span class="n">LogLocator</span><span class="p">,</span> <span class="n">AutoLocator</span><span class="p">,</span> <span class="n">MultipleLocator</span><span class="p">,</span>\
<span class="n">MaxNLocator</span>
<span class="kn">from</span> <span class="nn">matplotlib.backends</span> <span class="k">import</span> <span class="n">pylab_setup</span>
<span class="c1">## Backend detection ##</span>
<span class="k">def</span> <span class="nf">_backend_selection</span><span class="p">():</span>
<span class="sd">""" If rcParams['backend_fallback'] is true, check to see if the</span>
<span class="sd"> current backend is compatible with the current running event</span>
<span class="sd"> loop, and if not switches to a compatible one.</span>
<span class="sd"> """</span>
<span class="n">backend</span> <span class="o">=</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'backend'</span><span class="p">]</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'backend_fallback'</span><span class="p">]</span> <span class="ow">or</span> <span class="n">backend</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">_interactive_bk</span><span class="p">:</span>
<span class="k">return</span>
<span class="n">is_agg_backend</span> <span class="o">=</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'backend'</span><span class="p">]</span><span class="o">.</span><span class="n">endswith</span><span class="p">(</span><span class="s1">'Agg'</span><span class="p">)</span>
<span class="k">if</span> <span class="s1">'wx'</span> <span class="ow">in</span> <span class="n">sys</span><span class="o">.</span><span class="n">modules</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">backend</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'WX'</span><span class="p">,</span> <span class="s1">'WXAgg'</span><span class="p">):</span>
<span class="kn">import</span> <span class="nn">wx</span>
<span class="k">if</span> <span class="n">wx</span><span class="o">.</span><span class="n">App</span><span class="o">.</span><span class="n">IsMainLoopRunning</span><span class="p">():</span>
<span class="n">rcParams</span><span class="p">[</span><span class="s1">'backend'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'wx'</span> <span class="o">+</span> <span class="s1">'Agg'</span> <span class="o">*</span> <span class="n">is_agg_backend</span>
<span class="k">elif</span> <span class="s1">'PyQt4.QtCore'</span> <span class="ow">in</span> <span class="n">sys</span><span class="o">.</span><span class="n">modules</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">backend</span> <span class="o">==</span> <span class="s1">'Qt4Agg'</span><span class="p">:</span>
<span class="kn">import</span> <span class="nn">PyQt4.QtGui</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">PyQt4</span><span class="o">.</span><span class="n">QtGui</span><span class="o">.</span><span class="n">qApp</span><span class="o">.</span><span class="n">startingUp</span><span class="p">():</span>
<span class="c1"># The mainloop is running.</span>
<span class="n">rcParams</span><span class="p">[</span><span class="s1">'backend'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'qt4Agg'</span>
<span class="k">elif</span> <span class="s1">'PyQt5.QtCore'</span> <span class="ow">in</span> <span class="n">sys</span><span class="o">.</span><span class="n">modules</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">backend</span> <span class="o">==</span> <span class="s1">'Qt5Agg'</span><span class="p">:</span>
<span class="kn">import</span> <span class="nn">PyQt5.QtWidgets</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">PyQt5</span><span class="o">.</span><span class="n">QtWidgets</span><span class="o">.</span><span class="n">qApp</span><span class="o">.</span><span class="n">startingUp</span><span class="p">():</span>
<span class="c1"># The mainloop is running.</span>
<span class="n">rcParams</span><span class="p">[</span><span class="s1">'backend'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'qt5Agg'</span>
<span class="k">elif</span> <span class="p">(</span><span class="s1">'gtk'</span> <span class="ow">in</span> <span class="n">sys</span><span class="o">.</span><span class="n">modules</span> <span class="ow">and</span>
<span class="n">backend</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'GTK'</span><span class="p">,</span> <span class="s1">'GTKAgg'</span><span class="p">,</span> <span class="s1">'GTKCairo'</span><span class="p">)):</span>
<span class="k">if</span> <span class="s1">'gi'</span> <span class="ow">in</span> <span class="n">sys</span><span class="o">.</span><span class="n">modules</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">gi.repository</span> <span class="k">import</span> <span class="n">GObject</span>
<span class="n">ml</span> <span class="o">=</span> <span class="n">GObject</span><span class="o">.</span><span class="n">MainLoop</span>
<span class="k">else</span><span class="p">:</span>
<span class="kn">import</span> <span class="nn">gobject</span>
<span class="n">ml</span> <span class="o">=</span> <span class="n">gobject</span><span class="o">.</span><span class="n">MainLoop</span>
<span class="k">if</span> <span class="n">ml</span><span class="p">()</span><span class="o">.</span><span class="n">is_running</span><span class="p">():</span>
<span class="n">rcParams</span><span class="p">[</span><span class="s1">'backend'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'gtk'</span> <span class="o">+</span> <span class="s1">'Agg'</span> <span class="o">*</span> <span class="n">is_agg_backend</span>
<span class="k">elif</span> <span class="s1">'Tkinter'</span> <span class="ow">in</span> <span class="n">sys</span><span class="o">.</span><span class="n">modules</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">backend</span> <span class="o">==</span> <span class="s1">'TkAgg'</span><span class="p">:</span>
<span class="c1"># import Tkinter</span>
<span class="k">pass</span> <span class="c1"># what if anything do we need to do for tkinter?</span>
<span class="n">_backend_selection</span><span class="p">()</span>
<span class="c1">## Global ##</span>
<span class="n">_backend_mod</span><span class="p">,</span> <span class="n">new_figure_manager</span><span class="p">,</span> <span class="n">draw_if_interactive</span><span class="p">,</span> <span class="n">_show</span> <span class="o">=</span> <span class="n">pylab_setup</span><span class="p">()</span>
<span class="n">_IP_REGISTERED</span> <span class="o">=</span> <span class="kc">None</span>
<span class="n">_INSTALL_FIG_OBSERVER</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">install_repl_displayhook</span><span class="p">():</span>
<span class="sd">"""</span>
<span class="sd"> Install a repl display hook so that any stale figure are automatically</span>
<span class="sd"> redrawn when control is returned to the repl.</span>
<span class="sd"> This works with IPython terminals and kernels,</span>
<span class="sd"> as well as vanilla python shells.</span>
<span class="sd"> """</span>
<span class="k">global</span> <span class="n">_IP_REGISTERED</span>
<span class="k">global</span> <span class="n">_INSTALL_FIG_OBSERVER</span>
<span class="k">class</span> <span class="nc">_NotIPython</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span>
<span class="k">pass</span>
<span class="c1"># see if we have IPython hooks around, if use them</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="s1">'IPython'</span> <span class="ow">in</span> <span class="n">sys</span><span class="o">.</span><span class="n">modules</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">IPython</span> <span class="k">import</span> <span class="n">get_ipython</span>
<span class="n">ip</span> <span class="o">=</span> <span class="n">get_ipython</span><span class="p">()</span>
<span class="k">if</span> <span class="n">ip</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">_NotIPython</span><span class="p">()</span>
<span class="k">if</span> <span class="n">_IP_REGISTERED</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">def</span> <span class="nf">post_execute</span><span class="p">():</span>
<span class="k">if</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">is_interactive</span><span class="p">():</span>
<span class="n">draw_all</span><span class="p">()</span>
<span class="c1"># IPython >= 2</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">ip</span><span class="o">.</span><span class="n">events</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="s1">'post_execute'</span><span class="p">,</span> <span class="n">post_execute</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="c1"># IPython 1.x</span>
<span class="n">ip</span><span class="o">.</span><span class="n">register_post_execute</span><span class="p">(</span><span class="n">post_execute</span><span class="p">)</span>
<span class="n">_IP_REGISTERED</span> <span class="o">=</span> <span class="n">post_execute</span>
<span class="n">_INSTALL_FIG_OBSERVER</span> <span class="o">=</span> <span class="kc">False</span>
<span class="c1"># trigger IPython's eventloop integration, if available</span>
<span class="kn">from</span> <span class="nn">IPython.core.pylabtools</span> <span class="k">import</span> <span class="n">backend2gui</span>
<span class="n">ipython_gui_name</span> <span class="o">=</span> <span class="n">backend2gui</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">get_backend</span><span class="p">())</span>
<span class="k">if</span> <span class="n">ipython_gui_name</span><span class="p">:</span>
<span class="n">ip</span><span class="o">.</span><span class="n">enable_gui</span><span class="p">(</span><span class="n">ipython_gui_name</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">_INSTALL_FIG_OBSERVER</span> <span class="o">=</span> <span class="kc">True</span>
<span class="c1"># import failed or ipython is not running</span>
<span class="k">except</span> <span class="p">(</span><span class="ne">ImportError</span><span class="p">,</span> <span class="n">_NotIPython</span><span class="p">):</span>
<span class="n">_INSTALL_FIG_OBSERVER</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">def</span> <span class="nf">uninstall_repl_displayhook</span><span class="p">():</span>
<span class="sd">"""</span>
<span class="sd"> Uninstalls the matplotlib display hook.</span>
<span class="sd"> .. warning</span>
<span class="sd"> Need IPython >= 2 for this to work. For IPython < 2 will raise a</span>
<span class="sd"> ``NotImplementedError``</span>
<span class="sd"> .. warning</span>
<span class="sd"> If you are using vanilla python and have installed another</span>
<span class="sd"> display hook this will reset ``sys.displayhook`` to what ever</span>
<span class="sd"> function was there when matplotlib installed it's displayhook,</span>
<span class="sd"> possibly discarding your changes.</span>
<span class="sd"> """</span>
<span class="k">global</span> <span class="n">_IP_REGISTERED</span>
<span class="k">global</span> <span class="n">_INSTALL_FIG_OBSERVER</span>
<span class="k">if</span> <span class="n">_IP_REGISTERED</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">IPython</span> <span class="k">import</span> <span class="n">get_ipython</span>
<span class="n">ip</span> <span class="o">=</span> <span class="n">get_ipython</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">ip</span><span class="o">.</span><span class="n">events</span><span class="o">.</span><span class="n">unregister</span><span class="p">(</span><span class="s1">'post_execute'</span><span class="p">,</span> <span class="n">_IP_REGISTERED</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">"Can not unregister events "</span>
<span class="s2">"in IPython < 2.0"</span><span class="p">)</span>
<span class="n">_IP_REGISTERED</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="n">_INSTALL_FIG_OBSERVER</span><span class="p">:</span>
<span class="n">_INSTALL_FIG_OBSERVER</span> <span class="o">=</span> <span class="kc">False</span>
<span class="n">draw_all</span> <span class="o">=</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">draw_all</span>
<span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">Artist</span><span class="o">.</span><span class="n">findobj</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">findobj</span><span class="p">(</span><span class="n">o</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">match</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">include_self</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="k">if</span> <span class="n">o</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">o</span> <span class="o">=</span> <span class="n">gcf</span><span class="p">()</span>
<span class="k">return</span> <span class="n">o</span><span class="o">.</span><span class="n">findobj</span><span class="p">(</span><span class="n">match</span><span class="p">,</span> <span class="n">include_self</span><span class="o">=</span><span class="n">include_self</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">switch_backend</span><span class="p">(</span><span class="n">newbackend</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Switch the default backend. This feature is **experimental**, and</span>
<span class="sd"> is only expected to work switching to an image backend. e.g., if</span>
<span class="sd"> you have a bunch of PostScript scripts that you want to run from</span>
<span class="sd"> an interactive ipython session, you may want to switch to the PS</span>
<span class="sd"> backend before running them to avoid having a bunch of GUI windows</span>
<span class="sd"> popup. If you try to interactively switch from one GUI backend to</span>
<span class="sd"> another, you will explode.</span>
<span class="sd"> Calling this command will close all open windows.</span>
<span class="sd"> """</span>
<span class="n">close</span><span class="p">(</span><span class="s1">'all'</span><span class="p">)</span>
<span class="k">global</span> <span class="n">_backend_mod</span><span class="p">,</span> <span class="n">new_figure_manager</span><span class="p">,</span> <span class="n">draw_if_interactive</span><span class="p">,</span> <span class="n">_show</span>
<span class="n">matplotlib</span><span class="o">.</span><span class="n">use</span><span class="p">(</span><span class="n">newbackend</span><span class="p">,</span> <span class="n">warn</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">force</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="kn">from</span> <span class="nn">matplotlib.backends</span> <span class="k">import</span> <span class="n">pylab_setup</span>
<span class="n">_backend_mod</span><span class="p">,</span> <span class="n">new_figure_manager</span><span class="p">,</span> <span class="n">draw_if_interactive</span><span class="p">,</span> <span class="n">_show</span> <span class="o">=</span> <span class="n">pylab_setup</span><span class="p">()</span>
<div class="viewcode-block" id="show"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.pyplot.show.html#matplotlib.pyplot.show">[docs]</a><span class="k">def</span> <span class="nf">show</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Display a figure.</span>
<span class="sd"> When running in ipython with its pylab mode, display all</span>
<span class="sd"> figures and return to the ipython prompt.</span>
<span class="sd"> In non-interactive mode, display all figures and block until</span>
<span class="sd"> the figures have been closed; in interactive mode it has no</span>
<span class="sd"> effect unless figures were created prior to a change from</span>
<span class="sd"> non-interactive to interactive mode (not recommended). In</span>
<span class="sd"> that case it displays the figures but does not block.</span>
<span class="sd"> A single experimental keyword argument, *block*, may be</span>
<span class="sd"> set to True or False to override the blocking behavior</span>
<span class="sd"> described above.</span>
<span class="sd"> """</span>
<span class="k">global</span> <span class="n">_show</span>
<span class="k">return</span> <span class="n">_show</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">)</span></div>
<span class="k">def</span> <span class="nf">isinteractive</span><span class="p">():</span>
<span class="sd">"""</span>
<span class="sd"> Return status of interactive mode.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">is_interactive</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">ioff</span><span class="p">():</span>
<span class="sd">"""Turn interactive mode off."""</span>
<span class="n">matplotlib</span><span class="o">.</span><span class="n">interactive</span><span class="p">(</span><span class="kc">False</span><span class="p">)</span>
<span class="n">uninstall_repl_displayhook</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">ion</span><span class="p">():</span>
<span class="sd">"""Turn interactive mode on."""</span>
<span class="n">matplotlib</span><span class="o">.</span><span class="n">interactive</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
<span class="n">install_repl_displayhook</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">pause</span><span class="p">(</span><span class="n">interval</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Pause for *interval* seconds.</span>
<span class="sd"> If there is an active figure, it will be updated and displayed before the</span>
<span class="sd"> pause, and the GUI event loop (if any) will run during the pause.</span>
<span class="sd"> This can be used for crude animation. For more complex animation, see</span>
<span class="sd"> :mod:`matplotlib.animation`.</span>
<span class="sd"> Notes</span>
<span class="sd"> -----</span>
<span class="sd"> This function is experimental; its behavior may be changed or extended in a</span>
<span class="sd"> future release.</span>
<span class="sd"> """</span>
<span class="n">manager</span> <span class="o">=</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">get_active</span><span class="p">()</span>
<span class="k">if</span> <span class="n">manager</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">canvas</span> <span class="o">=</span> <span class="n">manager</span><span class="o">.</span><span class="n">canvas</span>
<span class="k">if</span> <span class="n">canvas</span><span class="o">.</span><span class="n">figure</span><span class="o">.</span><span class="n">stale</span><span class="p">:</span>
<span class="n">canvas</span><span class="o">.</span><span class="n">draw_idle</span><span class="p">()</span>
<span class="n">show</span><span class="p">(</span><span class="n">block</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="n">canvas</span><span class="o">.</span><span class="n">start_event_loop</span><span class="p">(</span><span class="n">interval</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="n">interval</span><span class="p">)</span>
<div class="viewcode-block" id="rc"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.pyplot.rc.html#matplotlib.pyplot.rc">[docs]</a><span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">matplotlib</span><span class="o">.</span><span class="n">rc</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">rc</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="n">matplotlib</span><span class="o">.</span><span class="n">rc</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<div class="viewcode-block" id="rc_context"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.pyplot.rc_context.html#matplotlib.pyplot.rc_context">[docs]</a><span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">matplotlib</span><span class="o">.</span><span class="n">rc_context</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">rc_context</span><span class="p">(</span><span class="n">rc</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">fname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="k">return</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">rc_context</span><span class="p">(</span><span class="n">rc</span><span class="p">,</span> <span class="n">fname</span><span class="p">)</span></div>
<div class="viewcode-block" id="rcdefaults"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.pyplot.rcdefaults.html#matplotlib.pyplot.rcdefaults">[docs]</a><span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">matplotlib</span><span class="o">.</span><span class="n">rcdefaults</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">rcdefaults</span><span class="p">():</span>
<span class="n">matplotlib</span><span class="o">.</span><span class="n">rcdefaults</span><span class="p">()</span>
<span class="k">if</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">is_interactive</span><span class="p">():</span>
<span class="n">draw_all</span><span class="p">()</span></div>
<span class="c1"># The current "image" (ScalarMappable) is retrieved or set</span>
<span class="c1"># only via the pyplot interface using the following two</span>
<span class="c1"># functions:</span>
<span class="k">def</span> <span class="nf">gci</span><span class="p">():</span>
<span class="sd">"""</span>
<span class="sd"> Get the current colorable artist. Specifically, returns the</span>
<span class="sd"> current :class:`~matplotlib.cm.ScalarMappable` instance (image or</span>
<span class="sd"> patch collection), or *None* if no images or patch collections</span>
<span class="sd"> have been defined. The commands :func:`~matplotlib.pyplot.imshow`</span>
<span class="sd"> and :func:`~matplotlib.pyplot.figimage` create</span>
<span class="sd"> :class:`~matplotlib.image.Image` instances, and the commands</span>
<span class="sd"> :func:`~matplotlib.pyplot.pcolor` and</span>
<span class="sd"> :func:`~matplotlib.pyplot.scatter` create</span>
<span class="sd"> :class:`~matplotlib.collections.Collection` instances. The</span>
<span class="sd"> current image is an attribute of the current axes, or the nearest</span>
<span class="sd"> earlier axes in the current figure that contains an image.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="n">gcf</span><span class="p">()</span><span class="o">.</span><span class="n">_gci</span><span class="p">()</span>
<div class="viewcode-block" id="sci"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.pyplot.sci.html#matplotlib.pyplot.sci">[docs]</a><span class="k">def</span> <span class="nf">sci</span><span class="p">(</span><span class="n">im</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Set the current image. This image will be the target of colormap</span>
<span class="sd"> commands like :func:`~matplotlib.pyplot.jet`,</span>
<span class="sd"> :func:`~matplotlib.pyplot.hot` or</span>
<span class="sd"> :func:`~matplotlib.pyplot.clim`). The current image is an</span>
<span class="sd"> attribute of the current axes.</span>
<span class="sd"> """</span>
<span class="n">gca</span><span class="p">()</span><span class="o">.</span><span class="n">_sci</span><span class="p">(</span><span class="n">im</span><span class="p">)</span></div>
<span class="c1">## Any Artist ##</span>
<span class="c1"># (getp is simply imported)</span>
<div class="viewcode-block" id="setp"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.pyplot.setp.html#matplotlib.pyplot.setp">[docs]</a><span class="nd">@docstring</span><span class="o">.</span><span class="n">copy</span><span class="p">(</span><span class="n">_setp</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">setp</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">_setp</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<span class="k">def</span> <span class="nf">xkcd</span><span class="p">(</span><span class="n">scale</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">length</span><span class="o">=</span><span class="mi">100</span><span class="p">,</span> <span class="n">randomness</span><span class="o">=</span><span class="mi">2</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Turns on `xkcd <https://xkcd.com/>`_ sketch-style drawing mode.</span>
<span class="sd"> This will only have effect on things drawn after this function is</span>
<span class="sd"> called.</span>
<span class="sd"> For best results, the "Humor Sans" font should be installed: it is</span>
<span class="sd"> not included with matplotlib.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> scale : float, optional</span>
<span class="sd"> The amplitude of the wiggle perpendicular to the source line.</span>
<span class="sd"> length : float, optional</span>
<span class="sd"> The length of the wiggle along the line.</span>
<span class="sd"> randomness : float, optional</span>
<span class="sd"> The scale factor by which the length is shrunken or expanded.</span>
<span class="sd"> Notes</span>
<span class="sd"> -----</span>
<span class="sd"> This function works by a number of rcParams, so it will probably</span>
<span class="sd"> override others you have set before.</span>
<span class="sd"> If you want the effects of this function to be temporary, it can</span>
<span class="sd"> be used as a context manager, for example::</span>
<span class="sd"> with plt.xkcd():</span>
<span class="sd"> # This figure will be in XKCD-style</span>
<span class="sd"> fig1 = plt.figure()</span>
<span class="sd"> # ...</span>
<span class="sd"> # This figure will be in regular style</span>
<span class="sd"> fig2 = plt.figure()</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'text.usetex'</span><span class="p">]:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span>
<span class="s2">"xkcd mode is not compatible with text.usetex = True"</span><span class="p">)</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="k">import</span> <span class="n">patheffects</span>
<span class="k">return</span> <span class="n">rc_context</span><span class="p">({</span>
<span class="s1">'font.family'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'xkcd'</span><span class="p">,</span> <span class="s1">'Humor Sans'</span><span class="p">,</span> <span class="s1">'Comic Sans MS'</span><span class="p">],</span>
<span class="s1">'font.size'</span><span class="p">:</span> <span class="mf">14.0</span><span class="p">,</span>
<span class="s1">'path.sketch'</span><span class="p">:</span> <span class="p">(</span><span class="n">scale</span><span class="p">,</span> <span class="n">length</span><span class="p">,</span> <span class="n">randomness</span><span class="p">),</span>
<span class="s1">'path.effects'</span><span class="p">:</span> <span class="p">[</span><span class="n">patheffects</span><span class="o">.</span><span class="n">withStroke</span><span class="p">(</span><span class="n">linewidth</span><span class="o">=</span><span class="mi">4</span><span class="p">,</span> <span class="n">foreground</span><span class="o">=</span><span class="s2">"w"</span><span class="p">)],</span>
<span class="s1">'axes.linewidth'</span><span class="p">:</span> <span class="mf">1.5</span><span class="p">,</span>
<span class="s1">'lines.linewidth'</span><span class="p">:</span> <span class="mf">2.0</span><span class="p">,</span>
<span class="s1">'figure.facecolor'</span><span class="p">:</span> <span class="s1">'white'</span><span class="p">,</span>
<span class="s1">'grid.linewidth'</span><span class="p">:</span> <span class="mf">0.0</span><span class="p">,</span>
<span class="s1">'axes.grid'</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
<span class="s1">'axes.unicode_minus'</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
<span class="s1">'axes.edgecolor'</span><span class="p">:</span> <span class="s1">'black'</span><span class="p">,</span>
<span class="s1">'xtick.major.size'</span><span class="p">:</span> <span class="mi">8</span><span class="p">,</span>
<span class="s1">'xtick.major.width'</span><span class="p">:</span> <span class="mi">3</span><span class="p">,</span>
<span class="s1">'ytick.major.size'</span><span class="p">:</span> <span class="mi">8</span><span class="p">,</span>
<span class="s1">'ytick.major.width'</span><span class="p">:</span> <span class="mi">3</span><span class="p">,</span>
<span class="p">})</span>
<span class="c1">## Figures ##</span>
<span class="k">def</span> <span class="nf">figure</span><span class="p">(</span><span class="n">num</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># autoincrement if None, else integer from 1-N</span>
<span class="n">figsize</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># defaults to rc figure.figsize</span>
<span class="n">dpi</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># defaults to rc figure.dpi</span>
<span class="n">facecolor</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># defaults to rc figure.facecolor</span>
<span class="n">edgecolor</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># defaults to rc figure.edgecolor</span>
<span class="n">frameon</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
<span class="n">FigureClass</span><span class="o">=</span><span class="n">Figure</span><span class="p">,</span>
<span class="n">clear</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
<span class="o">**</span><span class="n">kwargs</span>
<span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Creates a new figure.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> num : integer or string, optional, default: none</span>
<span class="sd"> If not provided, a new figure will be created, and the figure number</span>
<span class="sd"> will be incremented. The figure objects holds this number in a `number`</span>
<span class="sd"> attribute.</span>
<span class="sd"> If num is provided, and a figure with this id already exists, make</span>
<span class="sd"> it active, and returns a reference to it. If this figure does not</span>
<span class="sd"> exists, create it and returns it.</span>
<span class="sd"> If num is a string, the window title will be set to this figure's</span>
<span class="sd"> `num`.</span>
<span class="sd"> figsize : tuple of integers, optional, default: None</span>
<span class="sd"> width, height in inches. If not provided, defaults to rc</span>
<span class="sd"> figure.figsize.</span>
<span class="sd"> dpi : integer, optional, default: None</span>
<span class="sd"> resolution of the figure. If not provided, defaults to rc figure.dpi.</span>
<span class="sd"> facecolor :</span>
<span class="sd"> the background color. If not provided, defaults to rc figure.facecolor.</span>
<span class="sd"> edgecolor :</span>
<span class="sd"> the border color. If not provided, defaults to rc figure.edgecolor.</span>
<span class="sd"> frameon : bool, optional, default: True</span>
<span class="sd"> If False, suppress drawing the figure frame.</span>
<span class="sd"> FigureClass : class derived from matplotlib.figure.Figure</span>
<span class="sd"> Optionally use a custom Figure instance.</span>
<span class="sd"> clear : bool, optional, default: False</span>
<span class="sd"> If True and the figure already exists, then it is cleared.</span>
<span class="sd"> Returns</span>
<span class="sd"> -------</span>
<span class="sd"> figure : Figure</span>
<span class="sd"> The Figure instance returned will also be passed to new_figure_manager</span>
<span class="sd"> in the backends, which allows to hook custom Figure classes into the</span>
<span class="sd"> pylab interface. Additional kwargs will be passed to the figure init</span>
<span class="sd"> function.</span>
<span class="sd"> Notes</span>
<span class="sd"> -----</span>
<span class="sd"> If you are creating many figures, make sure you explicitly call "close"</span>
<span class="sd"> on the figures you are not using, because this will enable pylab</span>
<span class="sd"> to properly clean up the memory.</span>
<span class="sd"> rcParams defines the default values, which can be modified in the</span>
<span class="sd"> matplotlibrc file</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">figsize</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">figsize</span> <span class="o">=</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'figure.figsize'</span><span class="p">]</span>
<span class="k">if</span> <span class="n">dpi</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">dpi</span> <span class="o">=</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'figure.dpi'</span><span class="p">]</span>
<span class="k">if</span> <span class="n">facecolor</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">facecolor</span> <span class="o">=</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'figure.facecolor'</span><span class="p">]</span>
<span class="k">if</span> <span class="n">edgecolor</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">edgecolor</span> <span class="o">=</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'figure.edgecolor'</span><span class="p">]</span>
<span class="n">allnums</span> <span class="o">=</span> <span class="n">get_fignums</span><span class="p">()</span>
<span class="n">next_num</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">allnums</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span> <span class="k">if</span> <span class="n">allnums</span> <span class="k">else</span> <span class="mi">1</span>
<span class="n">figLabel</span> <span class="o">=</span> <span class="s1">''</span>
<span class="k">if</span> <span class="n">num</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">num</span> <span class="o">=</span> <span class="n">next_num</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">num</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">string_types</span><span class="p">):</span>
<span class="n">figLabel</span> <span class="o">=</span> <span class="n">num</span>
<span class="n">allLabels</span> <span class="o">=</span> <span class="n">get_figlabels</span><span class="p">()</span>
<span class="k">if</span> <span class="n">figLabel</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">allLabels</span><span class="p">:</span>
<span class="k">if</span> <span class="n">figLabel</span> <span class="o">==</span> <span class="s1">'all'</span><span class="p">:</span>
<span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s2">"close('all') closes all existing figures"</span><span class="p">)</span>
<span class="n">num</span> <span class="o">=</span> <span class="n">next_num</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">inum</span> <span class="o">=</span> <span class="n">allLabels</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">figLabel</span><span class="p">)</span>
<span class="n">num</span> <span class="o">=</span> <span class="n">allnums</span><span class="p">[</span><span class="n">inum</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">num</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> <span class="c1"># crude validation of num argument</span>
<span class="n">figManager</span> <span class="o">=</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">get_fig_manager</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<span class="k">if</span> <span class="n">figManager</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">max_open_warning</span> <span class="o">=</span> <span class="n">rcParams</span><span class="p">[</span><span class="s1">'figure.max_open_warning'</span><span class="p">]</span>
<span class="k">if</span> <span class="p">(</span><span class="n">max_open_warning</span> <span class="o">>=</span> <span class="mi">1</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">allnums</span><span class="p">)</span> <span class="o">>=</span> <span class="n">max_open_warning</span><span class="p">):</span>
<span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span>
<span class="s2">"More than </span><span class="si">%d</span><span class="s2"> figures have been opened. Figures "</span>
<span class="s2">"created through the pyplot interface "</span>
<span class="s2">"(`matplotlib.pyplot.figure`) are retained until "</span>
<span class="s2">"explicitly closed and may consume too much memory. "</span>
<span class="s2">"(To control this warning, see the rcParam "</span>
<span class="s2">"`figure.max_open_warning`)."</span> <span class="o">%</span>
<span class="n">max_open_warning</span><span class="p">,</span> <span class="ne">RuntimeWarning</span><span class="p">)</span>
<span class="k">if</span> <span class="n">get_backend</span><span class="p">()</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s1">'ps'</span><span class="p">:</span>
<span class="n">dpi</span> <span class="o">=</span> <span class="mi">72</span>
<span class="n">figManager</span> <span class="o">=</span> <span class="n">new_figure_manager</span><span class="p">(</span><span class="n">num</span><span class="p">,</span> <span class="n">figsize</span><span class="o">=</span><span class="n">figsize</span><span class="p">,</span>
<span class="n">dpi</span><span class="o">=</span><span class="n">dpi</span><span class="p">,</span>
<span class="n">facecolor</span><span class="o">=</span><span class="n">facecolor</span><span class="p">,</span>
<span class="n">edgecolor</span><span class="o">=</span><span class="n">edgecolor</span><span class="p">,</span>
<span class="n">frameon</span><span class="o">=</span><span class="n">frameon</span><span class="p">,</span>
<span class="n">FigureClass</span><span class="o">=</span><span class="n">FigureClass</span><span class="p">,</span>
<span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="k">if</span> <span class="n">figLabel</span><span class="p">:</span>
<span class="n">figManager</span><span class="o">.</span><span class="n">set_window_title</span><span class="p">(</span><span class="n">figLabel</span><span class="p">)</span>
<span class="n">figManager</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">figure</span><span class="o">.</span><span class="n">set_label</span><span class="p">(</span><span class="n">figLabel</span><span class="p">)</span>
<span class="c1"># make this figure current on button press event</span>
<span class="k">def</span> <span class="nf">make_active</span><span class="p">(</span><span class="n">event</span><span class="p">):</span>
<span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">set_active</span><span class="p">(</span><span class="n">figManager</span><span class="p">)</span>
<span class="n">cid</span> <span class="o">=</span> <span class="n">figManager</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">mpl_connect</span><span class="p">(</span><span class="s1">'button_press_event'</span><span class="p">,</span> <span class="n">make_active</span><span class="p">)</span>
<span class="n">figManager</span><span class="o">.</span><span class="n">_cidgcf</span> <span class="o">=</span> <span class="n">cid</span>
<span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">set_active</span><span class="p">(</span><span class="n">figManager</span><span class="p">)</span>
<span class="n">fig</span> <span class="o">=</span> <span class="n">figManager</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">figure</span>
<span class="n">fig</span><span class="o">.</span><span class="n">number</span> <span class="o">=</span> <span class="n">num</span>
<span class="c1"># make sure backends (inline) that we don't ship that expect this</span>
<span class="c1"># to be called in plotting commands to make the figure call show</span>
<span class="c1"># still work. There is probably a better way to do this in the</span>
<span class="c1"># FigureManager base class.</span>
<span class="k">if</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">is_interactive</span><span class="p">():</span>
<span class="n">draw_if_interactive</span><span class="p">()</span>
<span class="k">if</span> <span class="n">_INSTALL_FIG_OBSERVER</span><span class="p">:</span>
<span class="n">fig</span><span class="o">.</span><span class="n">stale_callback</span> <span class="o">=</span> <span class="n">_auto_draw_if_interactive</span>
<span class="k">if</span> <span class="n">clear</span><span class="p">:</span>
<span class="n">figManager</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">figure</span><span class="o">.</span><span class="n">clear</span><span class="p">()</span>
<span class="k">return</span> <span class="n">figManager</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">figure</span>
<span class="k">def</span> <span class="nf">_auto_draw_if_interactive</span><span class="p">(</span><span class="n">fig</span><span class="p">,</span> <span class="n">val</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This is an internal helper function for making sure that auto-redrawing</span>
<span class="sd"> works as intended in the plain python repl.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> fig : Figure</span>
<span class="sd"> A figure object which is assumed to be associated with a canvas</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">val</span> <span class="ow">and</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">is_interactive</span><span class="p">()</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">fig</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">is_saving</span><span class="p">():</span>
<span class="n">fig</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">draw_idle</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">gcf</span><span class="p">():</span>
<span class="sd">"""Get a reference to the current figure."""</span>
<span class="n">figManager</span> <span class="o">=</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">get_active</span><span class="p">()</span>
<span class="k">if</span> <span class="n">figManager</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">return</span> <span class="n">figManager</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">figure</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="n">figure</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">fignum_exists</span><span class="p">(</span><span class="n">num</span><span class="p">):</span>
<span class="k">return</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">has_fignum</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> <span class="ow">or</span> <span class="n">num</span> <span class="ow">in</span> <span class="n">get_figlabels</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">get_fignums</span><span class="p">():</span>
<span class="sd">"""Return a list of existing figure numbers."""</span>
<span class="k">return</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">figs</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">get_figlabels</span><span class="p">():</span>
<span class="sd">"""Return a list of existing figure labels."""</span>
<span class="n">figManagers</span> <span class="o">=</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">get_all_fig_managers</span><span class="p">()</span>
<span class="n">figManagers</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="k">lambda</span> <span class="n">m</span><span class="p">:</span> <span class="n">m</span><span class="o">.</span><span class="n">num</span><span class="p">)</span>
<span class="k">return</span> <span class="p">[</span><span class="n">m</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">figure</span><span class="o">.</span><span class="n">get_label</span><span class="p">()</span> <span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">figManagers</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">get_current_fig_manager</span><span class="p">():</span>
<span class="n">figManager</span> <span class="o">=</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">get_active</span><span class="p">()</span>
<span class="k">if</span> <span class="n">figManager</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">gcf</span><span class="p">()</span> <span class="c1"># creates an active figure as a side effect</span>
<span class="n">figManager</span> <span class="o">=</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">get_active</span><span class="p">()</span>
<span class="k">return</span> <span class="n">figManager</span>
<span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">FigureCanvasBase</span><span class="o">.</span><span class="n">mpl_connect</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">connect</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">func</span><span class="p">):</span>
<span class="k">return</span> <span class="n">get_current_fig_manager</span><span class="p">()</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">mpl_connect</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">func</span><span class="p">)</span>
<span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">FigureCanvasBase</span><span class="o">.</span><span class="n">mpl_disconnect</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">disconnect</span><span class="p">(</span><span class="n">cid</span><span class="p">):</span>
<span class="k">return</span> <span class="n">get_current_fig_manager</span><span class="p">()</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">mpl_disconnect</span><span class="p">(</span><span class="n">cid</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">close</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Close a figure window.</span>
<span class="sd"> ``close()`` by itself closes the current figure</span>
<span class="sd"> ``close(fig)`` closes the `.Figure` instance *fig*</span>
<span class="sd"> ``close(num)`` closes the figure number *num*</span>
<span class="sd"> ``close(name)`` where *name* is a string, closes figure with that label</span>
<span class="sd"> ``close('all')`` closes all the figure windows</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="n">figManager</span> <span class="o">=</span> <span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">get_active</span><span class="p">()</span>
<span class="k">if</span> <span class="n">figManager</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">destroy</span><span class="p">(</span><span class="n">figManager</span><span class="o">.</span><span class="n">num</span><span class="p">)</span>
<span class="k">elif</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
<span class="n">arg</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">if</span> <span class="n">arg</span> <span class="o">==</span> <span class="s1">'all'</span><span class="p">:</span>
<span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">destroy_all</span><span class="p">()</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">integer_types</span><span class="p">):</span>
<span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">destroy</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span>
<span class="k">elif</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="s1">'int'</span><span class="p">):</span>
<span class="c1"># if we are dealing with a type UUID, we</span>
<span class="c1"># can use its integer representation</span>
<span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">destroy</span><span class="p">(</span><span class="n">arg</span><span class="o">.</span><span class="n">int</span><span class="p">)</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">string_types</span><span class="p">):</span>
<span class="n">allLabels</span> <span class="o">=</span> <span class="n">get_figlabels</span><span class="p">()</span>
<span class="k">if</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">allLabels</span><span class="p">:</span>
<span class="n">num</span> <span class="o">=</span> <span class="n">get_fignums</span><span class="p">()[</span><span class="n">allLabels</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">arg</span><span class="p">)]</span>
<span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">destroy</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="n">Figure</span><span class="p">):</span>
<span class="n">_pylab_helpers</span><span class="o">.</span><span class="n">Gcf</span><span class="o">.</span><span class="n">destroy_fig</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s1">'Unrecognized argument type </span><span class="si">%s</span><span class="s1"> to close'</span> <span class="o">%</span> <span class="nb">type</span><span class="p">(</span><span class="n">arg</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s1">'close takes 0 or 1 arguments'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">clf</span><span class="p">():</span>
<span class="sd">"""</span>
<span class="sd"> Clear the current figure.</span>
<span class="sd"> """</span>
<span class="n">gcf</span><span class="p">()</span><span class="o">.</span><span class="n">clf</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">draw</span><span class="p">():</span>
<span class="sd">"""Redraw the current figure.</span>
<span class="sd"> This is used to update a figure that has been altered, but not</span>
<span class="sd"> automatically re-drawn. If interactive mode is on (:func:`.ion()`), this</span>
<span class="sd"> should be only rarely needed, but there may be ways to modify the state of</span>
<span class="sd"> a figure without marking it as `stale`. Please report these cases as</span>
<span class="sd"> bugs.</span>
<span class="sd"> A more object-oriented alternative, given any</span>
<span class="sd"> :class:`~matplotlib.figure.Figure` instance, :attr:`fig`, that</span>
<span class="sd"> was created using a :mod:`~matplotlib.pyplot` function, is::</span>
<span class="sd"> fig.canvas.draw_idle()</span>
<span class="sd"> """</span>
<span class="n">get_current_fig_manager</span><span class="p">()</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">draw_idle</span><span class="p">()</span>
<div class="viewcode-block" id="savefig"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.pyplot.savefig.html#matplotlib.pyplot.savefig">[docs]</a><span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">Figure</span><span class="o">.</span><span class="n">savefig</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">savefig</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="n">fig</span> <span class="o">=</span> <span class="n">gcf</span><span class="p">()</span>
<span class="n">res</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="n">fig</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">draw_idle</span><span class="p">()</span> <span class="c1"># need this if 'transparent=True' to reset colors</span>
<span class="k">return</span> <span class="n">res</span></div>
<span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">Figure</span><span class="o">.</span><span class="n">ginput</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">ginput</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Blocking call to interact with the figure.</span>
<span class="sd"> This will wait for *n* clicks from the user and return a list of the</span>
<span class="sd"> coordinates of each click.</span>
<span class="sd"> If *timeout* is negative, does not timeout.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="n">gcf</span><span class="p">()</span><span class="o">.</span><span class="n">ginput</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">Figure</span><span class="o">.</span><span class="n">waitforbuttonpress</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">waitforbuttonpress</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Blocking call to interact with the figure.</span>
<span class="sd"> This will wait for *n* key or mouse clicks from the user and</span>
<span class="sd"> return a list containing True's for keyboard clicks and False's</span>
<span class="sd"> for mouse clicks.</span>
<span class="sd"> If *timeout* is negative, does not timeout.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="n">gcf</span><span class="p">()</span><span class="o">.</span><span class="n">waitforbuttonpress</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="c1"># Putting things in figures</span>
<span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">Figure</span><span class="o">.</span><span class="n">text</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">figtext</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">gcf</span><span class="p">()</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<div class="viewcode-block" id="suptitle"><a class="viewcode-back" href="../../api/_as_gen/matplotlib.pyplot.suptitle.html#matplotlib.pyplot.suptitle">[docs]</a><span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">Figure</span><span class="o">.</span><span class="n">suptitle</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">suptitle</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">gcf</span><span class="p">()</span><span class="o">.</span><span class="n">suptitle</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
<span class="nd">@docstring</span><span class="o">.</span><span class="n">copy_dedent</span><span class="p">(</span><span class="n">Figure</span><span class="o">.</span><span class="n">figimage</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">figimage</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">gcf</span><span class="p">()</span><span class="o">.</span><span class="n">figimage</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">figlegend</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Place a legend in the figure.</span>
<span class="sd"> *labels*</span>
<span class="sd"> a sequence of strings</span>
<span class="sd"> *handles*</span>
<span class="sd"> a sequence of :class:`~matplotlib.lines.Line2D` or</span>
<span class="sd"> :class:`~matplotlib.patches.Patch` instances</span>
<span class="sd"> *loc*</span>
<span class="sd"> can be a string or an integer specifying the legend</span>
<span class="sd"> location</span>
<span class="sd"> A :class:`matplotlib.legend.Legend` instance is returned.</span>
<span class="sd"> Examples</span>
<span class="sd"> --------</span>
<span class="sd"> To make a legend from existing artists on every axes::</span>
<span class="sd"> figlegend()</span>
<span class="sd"> To make a legend for a list of lines and labels::</span>
<span class="sd"> figlegend( (line1, line2, line3),</span>
<span class="sd"> ('label1', 'label2', 'label3'),</span>
<span class="sd"> 'upper right' )</span>
<span class="sd"> .. seealso::</span>
<span class="sd"> :func:`~matplotlib.pyplot.legend`</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="n">gcf</span><span class="p">()</span><span class="o">.</span><span class="n">legend</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="c1">## Figure and Axes hybrid ##</span>
<span class="n">_hold_msg</span> <span class="o">=</span> <span class="s2">"""pyplot.hold is deprecated.</span>
<span class="s2"> Future behavior will be consistent with the long-time default:</span>
<span class="s2"> plot commands add elements without first clearing the</span>
<span class="s2"> Axes and/or Figure."""</span>
<span class="nd">@deprecated</span><span class="p">(</span><span class="s2">"2.0"</span><span class="p">,</span> <span class="n">message</span><span class="o">=</span><span class="n">_hold_msg</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">hold</span><span class="p">(</span><span class="n">b</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Set the hold state. If *b* is None (default), toggle the</span>
<span class="sd"> hold state, else set the hold state to boolean value *b*::</span>
<span class="sd"> hold() # toggle hold</span>
<span class="sd"> hold(True) # hold is on</span>
<span class="sd"> hold(False) # hold is off</span>
<span class="sd"> When *hold* is *True*, subsequent plot commands will add elements to</span>
<span class="sd"> the current axes. When *hold* is *False*, the current axes and</span>
<span class="sd"> figure will be cleared on the next plot command.</span>
<span class="sd"> """</span>
<span class="n">fig</span> <span class="o">=</span> <span class="n">gcf</span><span class="p">()</span>
<span class="n">ax</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">gca</span><span class="p">()</span>
<span class="k">if</span> <span class="n">b</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">b</span> <span class="o">=</span> <span class="nb">bool</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
<span class="n">fig</span><span class="o">.</span><span class="n">_hold</span> <span class="o">=</span> <span class="n">b</span>
<span class="n">ax</span><span class="o">.</span><span class="n">_hold</span> <span class="o">=</span> <span class="n">b</span>
<span class="c1"># b=None toggles the hold state, so let's get get the current hold</span>
<span class="c1"># state; but should pyplot hold toggle the rc setting - me thinks</span>
<span class="c1"># not</span>
<span class="n">b</span> <span class="o">=</span> <span class="n">ax</span><span class="o">.</span><span class="n">_hold</span>
<span class="c1"># The comment above looks ancient; and probably the line below,</span>
<span class="c1"># contrary to the comment, is equally ancient. It will trigger</span>
<span class="c1"># a second warning, but "Oh, well...".</span>
<span class="n">rc</span><span class="p">(</span><span class="s1">'axes'</span><span class="p">,</span> <span class="n">hold</span><span class="o">=</span><span class="n">b</span><span class="p">)</span>
<span class="nd">@deprecated</span><span class="p">(</span><span class="s2">"2.0"</span><span class="p">,</span> <span class="n">message</span><span class="o">=</span><span class="n">_hold_msg</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">ishold</span><span class="p">():</span>
<span class="sd">"""</span>
<span class="sd"> Return the hold status of the current axes.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="n">gca</span><span class="p">()</span><span class="o">.</span><span class="n">_hold</span>
<span class="nd">@deprecated</span><span class="p">(</span><span class="s2">"2.0"</span><span class="p">,</span> <span class="n">message</span><span class="o">=</span><span class="n">_hold_msg</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">over</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Call a function with hold(True).</span>
<span class="sd"> Calls::</span>
<span class="sd"> func(*args, **kwargs)</span>
<span class="sd"> with ``hold(True)`` and then restores the hold state.</span>
<span class="sd"> """</span>
<span class="n">ax</span> <span class="o">=</span> <span class="n">gca</span><span class="p">()</span>
<span class="n">h</span> <span class="o">=</span> <span class="n">ax</span><span class="o">.</span><span class="n">_hold</span>
<span class="n">ax</span><span class="o">.</span><span class="n">_hold</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">func</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">_hold</span> <span class="o">=</span> <span class="n">h</span>
<span class="c1">## Axes ##</span>
<span class="k">def</span> <span class="nf">axes</span><span class="p">(</span><span class="n">arg</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Add an axes to the current figure and make it the current axes.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> arg : None or 4-tuple or Axes</span>
<span class="sd"> The exact behavior of this function depends on the type:</span>
<span class="sd"> - *None*: A new full window axes is added using</span>
<span class="sd"> ``subplot(111, **kwargs)``</span>
<span class="sd"> - 4-tuple of floats *rect* = ``[left, bottom, width, height]``.</span>
<span class="sd"> A new axes is added with dimensions *rect* in normalized</span>
<span class="sd"> (0, 1) units using `~.Figure.add_axes` on the current figure.</span>
<span class="sd"> - `~matplotlib.axes.Axes`: This is equivalent to `.pyplot.sca`.</span>
<span class="sd"> It sets the current axes to *arg*. Note: This implicitly</span>
<span class="sd"> changes the current figure to the parent of *arg*.</span>
<span class="sd"> .. note:: The use of an Axes as an argument is deprecated and will be</span>
<span class="sd"> removed in v3.0. Please use `.pyplot.sca` instead.</span>
<span class="sd"> Other Parameters</span>
<span class="sd"> ----------------</span>
<span class="sd"> **kwargs :</span>
<span class="sd"> For allowed keyword arguments see `.pyplot.subplot` and</span>
<span class="sd"> `.Figure.add_axes` respectively. Some common keyword arguments are</span>
<span class="sd"> listed below:</span>
<span class="sd"> ========= =========== =================================================</span>
<span class="sd"> kwarg Accepts Description</span>
<span class="sd"> ========= =========== =================================================</span>