Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/matplotlib/testing/widgets.py

@@ -0,0 +1,57 @@
+"""
+========================
+Widget testing utilities
+========================
+Functions that are useful for testing widgets.
+See also matplotlib.tests.test_widgets
+"""
+import matplotlib.pyplot as plt
+from unittest import mock
+
+
+def get_ax():
+    """Creates plot and returns its axes"""
+    fig, ax = plt.subplots(1, 1)
+    ax.plot([0, 200], [0, 200])
+    ax.set_aspect(1.0)
+    ax.figure.canvas.draw()
+    return ax
+
+
+def do_event(tool, etype, button=1, xdata=0, ydata=0, key=None, step=1):
+    """
+    Trigger an event
+
+    Parameters
+    ----------
+    tool : matplotlib.widgets.RectangleSelector
+    etype
+        the event to trigger
+    xdata : int
+        x coord of mouse in data coords
+    ydata : int
+        y coord of mouse in data coords
+    button : int or str
+        button pressed None, 1, 2, 3, 'up', 'down' (up and down are used
+        for scroll events)
+    key
+        the key depressed when the mouse event triggered (see
+        :class:`KeyEvent`)
+    step : int
+        number of scroll steps (positive for 'up', negative for 'down')
+    """
+    event = mock.Mock()
+    event.button = button
+    ax = tool.ax
+    event.x, event.y = ax.transData.transform([(xdata, ydata),
+                                               (xdata, ydata)])[0]
+    event.xdata, event.ydata = xdata, ydata
+    event.inaxes = ax
+    event.canvas = ax.figure.canvas
+    event.key = key
+    event.step = step
+    event.guiEvent = None
+    event.name = 'Custom'
+
+    func = getattr(tool, etype)
+    func(event)