Add Chromium-only Blender WebEngine parity work

blender-5.2.0/doc/python_api/examples/bpy.ops.0.py

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+"""
+Calling Operators
+-----------------
+
+Provides Python access to calling operators, this includes operators written in
+C++, Python or macros.
+
+Only keyword arguments can be used to pass operator properties.
+
+Operators don't have return values as you might expect,
+instead they return a set() which is made up of:
+``{'RUNNING_MODAL', 'CANCELLED', 'FINISHED', 'PASS_THROUGH'}``.
+Common return values are ``{'FINISHED'}`` and ``{'CANCELLED'}``, the latter
+meaning that the operator execution was aborted without making any changes or
+saving an undo history entry.
+
+If operator was cancelled but there wasn't any reports from it with ``{'ERROR'}`` type,
+it will just return ``{'CANCELLED'}`` without raising any exceptions.
+However, if there are error reports, a ``RuntimeError`` will be raised
+after the operator finishes execution, including all error report messages,
+regardless of the return status (even if it was ``{'FINISHED'}``).
+
+Calling an operator in the wrong context will raise a ``RuntimeError``,
+there is a poll() method to avoid this problem.
+
+Note that the operator ID (bl_idname) in this example is ``mesh.subdivide``,
+``bpy.ops`` is just the access path for Python.
+
+
+Keywords and Positional Arguments
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+For calling operators keywords are used for operator properties and
+positional arguments are used to define how the operator is called.
+
+There are 2 optional positional arguments (documented in detail below).
+
+.. code-block:: python
+
+   bpy.ops.test.operator(execution_context, undo)
+
+- execution_context - ``str`` (enum).
+- undo - ``bool`` type.
+
+
+Each of these arguments is optional, but must be given in the order above.
+"""
+import bpy
+
+# Calling an operator.
+bpy.ops.mesh.subdivide(number_cuts=3, smoothness=0.5)
+
+
+# Check poll() to avoid exception.
+if bpy.ops.object.mode_set.poll():
+    bpy.ops.object.mode_set(mode='EDIT')