forked from bartvdbraak/blender
229 lines
6.4 KiB
Python
229 lines
6.4 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8-80 compliant>
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# for slightly faster access
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from _bpy import ops as ops_module
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# op_add = ops_module.add
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op_dir = ops_module.dir
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op_poll = ops_module.poll
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op_call = ops_module.call
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op_as_string = ops_module.as_string
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op_get_rna = ops_module.get_rna
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op_get_instance = ops_module.get_instance
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class BPyOps:
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"""
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Fake module like class.
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bpy.ops
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"""
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__slots__ = ()
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def __getattr__(self, module):
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"""
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gets a bpy.ops submodule
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"""
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if module.startswith('__'):
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raise AttributeError(module)
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return BPyOpsSubMod(module)
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def __dir__(self):
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submodules = set()
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# add this classes functions
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for id_name in dir(self.__class__):
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if not id_name.startswith('__'):
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submodules.add(id_name)
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for id_name in op_dir():
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id_split = id_name.split('_OT_', 1)
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if len(id_split) == 2:
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submodules.add(id_split[0].lower())
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else:
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submodules.add(id_split[0])
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return list(submodules)
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def __repr__(self):
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return "<module like class 'bpy.ops'>"
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class BPyOpsSubMod:
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"""
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Utility class to fake submodules.
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eg. bpy.ops.object
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"""
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__slots__ = ("_module",)
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def __init__(self, module):
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self._module = module
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def __getattr__(self, func):
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"""
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gets a bpy.ops.submodule function
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"""
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if func.startswith('__'):
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raise AttributeError(func)
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return BPyOpsSubModOp(self._module, func)
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def __dir__(self):
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functions = set()
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module_upper = self._module.upper()
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for id_name in op_dir():
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id_split = id_name.split('_OT_', 1)
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if len(id_split) == 2 and module_upper == id_split[0]:
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functions.add(id_split[1])
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return list(functions)
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def __repr__(self):
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return "<module like class 'bpy.ops.%s'>" % self._module
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class BPyOpsSubModOp:
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"""
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Utility class to fake submodule operators.
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eg. bpy.ops.object.somefunc
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"""
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__slots__ = ("_module", "_func")
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def _get_doc(self):
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return op_as_string(self.idname())
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@staticmethod
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def _parse_args(args):
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C_dict = None
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C_exec = 'EXEC_DEFAULT'
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C_undo = False
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is_dict = is_exec = is_undo = False
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for i, arg in enumerate(args):
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if is_dict is False and isinstance(arg, dict):
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if is_exec is True or is_undo is True:
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raise ValueError("dict arg must come first")
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C_dict = arg
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is_dict = True
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elif is_exec is False and isinstance(arg, str):
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if is_undo is True:
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raise ValueError("string arg must come before the boolean")
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C_exec = arg
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is_exec = True
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elif is_undo is False and isinstance(arg, int):
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C_undo = arg
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is_undo = True
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else:
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raise ValueError("1-3 args execution context is supported")
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return C_dict, C_exec, C_undo
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@staticmethod
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def _scene_update(context):
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scene = context.scene
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if scene: # None in background mode
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scene.update()
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else:
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import bpy
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for scene in bpy.data.scenes:
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scene.update()
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__doc__ = property(_get_doc)
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def __init__(self, module, func):
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self._module = module
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self._func = func
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def poll(self, *args):
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C_dict, C_exec, C_undo = BPyOpsSubModOp._parse_args(args)
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return op_poll(self.idname_py(), C_dict, C_exec)
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def idname(self):
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# submod.foo -> SUBMOD_OT_foo
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return self._module.upper() + "_OT_" + self._func
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def idname_py(self):
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# submod.foo -> SUBMOD_OT_foo
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return self._module + "." + self._func
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def __call__(self, *args, **kw):
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import bpy
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context = bpy.context
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# Get the operator from blender
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wm = context.window_manager
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# run to account for any rna values the user changes.
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BPyOpsSubModOp._scene_update(context)
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if args:
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C_dict, C_exec, C_undo = BPyOpsSubModOp._parse_args(args)
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ret = op_call(self.idname_py(), C_dict, kw, C_exec, C_undo)
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else:
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ret = op_call(self.idname_py(), None, kw)
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if 'FINISHED' in ret and context.window_manager == wm:
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BPyOpsSubModOp._scene_update(context)
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return ret
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def get_rna(self):
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"""Internal function for introspection"""
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return op_get_rna(self.idname())
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def get_instance(self):
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"""Internal function for introspection"""
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return op_get_instance(self.idname())
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def __repr__(self): # useful display, repr(op)
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# import bpy
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idname = self.idname()
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as_string = op_as_string(idname)
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# XXX You never quite know what you get from bpy.types,
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# with operators... Operator and OperatorProperties
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# are shadowing each other, and not in the same way for
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# native ops and py ones! See T39158.
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# op_class = getattr(bpy.types, idname)
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op_class = op_get_rna(idname)
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descr = op_class.bl_rna.description
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# XXX, workaround for not registering
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# every __doc__ to save time on load.
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if not descr:
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descr = op_class.__doc__
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if not descr:
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descr = ""
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return "# %s\n%s" % (descr, as_string)
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def __str__(self): # used for print(...)
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return ("<function bpy.ops.%s.%s at 0x%x'>" %
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(self._module, self._func, id(self)))
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ops_fake_module = BPyOps()
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