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Add show() method to figure objects....
Fernando Perez -
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@@ -117,13 +117,32 b' def draw_if_interactive():'
117 117 """
118 118 Is called after every pylab drawing command
119 119 """
120 # signal that the current active figure should be sent at the end of execution.
121 # Also sets the _draw_called flag, signaling that there will be something to send.
122 # At the end of the code execution, a separate call to flush_figures()
123 # will act upon these values
120 # signal that the current active figure should be sent at the end of
121 # execution. Also sets the _draw_called flag, signaling that there will be
122 # something to send. At the end of the code execution, a separate call to
123 # flush_figures() will act upon these values
124 124
125 125 fig = Gcf.get_active().canvas.figure
126 126
127 # Hack: matplotlib FigureManager objects in interacive backends (at least
128 # in some of them) monkeypatch the figure object and add a .show() method
129 # to it. This applies the same monkeypatch in order to support user code
130 # that might expect `.show()` to be part of the official API of figure
131 # objects.
132 # For further reference:
133 # https://github.com/ipython/ipython/issues/1612
134 # https://github.com/matplotlib/matplotlib/issues/835
135
136 if not hasattr(fig, 'show'):
137 # Queue up `fig` for display
138 fig.show = lambda *a: send_figure(fig)
139
140 # If matplotlib was manually set to non-interactive mode, this function
141 # should be a no-op (otherwise we'll generate duplicate plots, since a user
142 # who set ioff() manually expects to make separate draw/show calls).
143 if not matplotlib.is_interactive():
144 return
145
127 146 # ensure current figure will be drawn, and each subsequent call
128 147 # of draw_if_interactive() moves the active figure to ensure it is
129 148 # drawn last
@@ -132,9 +151,11 b' def draw_if_interactive():'
132 151 except ValueError:
133 152 # ensure it only appears in the draw list once
134 153 pass
154 # Queue up the figure for drawing in next show() call
135 155 show._to_draw.append(fig)
136 156 show._draw_called = True
137 157
158
138 159 def flush_figures():
139 160 """Send all figures that changed
140 161
@@ -184,7 +205,7 b' def flush_figures():'
184 205
185 206
186 207 def send_figure(fig):
187 """Draw the current figure and send it as a PNG payload.
208 """Draw the given figure and send it as a PNG payload.
188 209 """
189 210 fmt = InlineBackend.instance().figure_format
190 211 data = print_figure(fig, fmt)
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