Thomas Dinges
28bd03d9b5
* Remove "FCurve/Driver Version fix" from help menu, was used for RNA changes during 2.5x. * Keep utility code in animsys_refactor.py, might still become useful according to Joshua.
230 lines
8.0 KiB
Python
230 lines
8.0 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 compliant>
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"""
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This module has utility functions for renaming
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rna values in fcurves and drivers.
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Currently unused, but might become useful later again.
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"""
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IS_TESTING = False
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def drepr(string):
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# is there a less crappy way to do this in python?, re.escape also escapes
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# single quotes strings so cant use it.
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return '"%s"' % repr(string)[1:-1].replace("\"", "\\\"").replace("\\'", "'")
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class DataPathBuilder(object):
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""" Dummy class used to parse fcurve and driver data paths.
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"""
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__slots__ = ("data_path", )
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def __init__(self, attrs):
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self.data_path = attrs
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def __getattr__(self, attr):
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str_value = ".%s" % attr
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return DataPathBuilder(self.data_path + (str_value, ))
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def __getitem__(self, key):
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if type(key) is int:
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str_value = '[%d]' % key
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elif type(key) is str:
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str_value = '[%s]' % drepr(key)
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else:
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raise Exception("unsupported accessor %r of type %r (internal error)" % (key, type(key)))
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return DataPathBuilder(self.data_path + (str_value, ))
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def resolve(self, real_base, rna_update_from_map=None):
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""" Return (attribute, value) pairs.
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"""
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pairs = []
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base = real_base
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for item in self.data_path:
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if base is not Ellipsis:
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try:
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# this only works when running with an old blender
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# where the old path will resolve
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base = eval("base" + item)
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except:
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base_new = Ellipsis
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# guess the new name
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if item.startswith("."):
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for item_new in rna_update_from_map.get(item[1:], ()):
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try:
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print("base." + item_new)
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base_new = eval("base." + item_new)
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break # found, don't keep looking
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except:
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pass
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if base_new is Ellipsis:
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print("Failed to resolve data path:", self.data_path)
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base = base_new
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pairs.append((item, base))
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return pairs
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import bpy
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def id_iter():
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type_iter = type(bpy.data.objects)
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for attr in dir(bpy.data):
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data_iter = getattr(bpy.data, attr, None)
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if type(data_iter) == type_iter:
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for id_data in data_iter:
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if id_data.library is None:
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yield id_data
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def anim_data_actions(anim_data):
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actions = []
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actions.append(anim_data.action)
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for track in anim_data.nla_tracks:
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for strip in track.strips:
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actions.append(strip.action)
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# filter out None
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return [act for act in actions if act]
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def classes_recursive(base_type, clss=None):
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if clss is None:
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clss = [base_type]
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else:
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clss.append(base_type)
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for base_type_iter in base_type.__bases__:
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if base_type_iter is not object:
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classes_recursive(base_type_iter, clss)
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return clss
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def find_path_new(id_data, data_path, rna_update_dict, rna_update_from_map):
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# note!, id_data can be ID type or a node tree
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# ignore ID props for now
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if data_path.startswith("["):
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return data_path
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# recursive path fixing, likely will be one in most cases.
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data_path_builder = eval("DataPathBuilder(tuple())." + data_path)
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data_resolve = data_path_builder.resolve(id_data, rna_update_from_map)
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path_new = [pair[0] for pair in data_resolve]
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# print(data_resolve)
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data_base = id_data
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for i, (attr, data) in enumerate(data_resolve):
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if data is Ellipsis:
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break
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if attr.startswith("."):
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# try all classes
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for data_base_type in classes_recursive(type(data_base)):
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attr_new = rna_update_dict.get(data_base_type.__name__, {}).get(attr[1:])
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if attr_new:
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path_new[i] = "." + attr_new
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# set this as the base for further properties
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data_base = data
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data_path_new = "".join(path_new)[1:] # skip the first "."
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return data_path_new
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def update_data_paths(rna_update):
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""" rna_update triple [(class_name, from, to), ...]
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"""
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# make a faster lookup dict
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rna_update_dict = {}
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for ren_class, ren_from, ren_to in rna_update:
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rna_update_dict.setdefault(ren_class, {})[ren_from] = ren_to
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rna_update_from_map = {}
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for ren_class, ren_from, ren_to in rna_update:
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rna_update_from_map.setdefault(ren_from, []).append(ren_to)
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for id_data in id_iter():
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# check node-trees too
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anim_data_ls = [(id_data, getattr(id_data, "animation_data", None))]
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node_tree = getattr(id_data, "node_tree", None)
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if node_tree:
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anim_data_ls.append((node_tree, node_tree.animation_data))
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for anim_data_base, anim_data in anim_data_ls:
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if anim_data is None:
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continue
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for fcurve in anim_data.drivers:
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data_path = fcurve.data_path
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data_path_new = find_path_new(anim_data_base, data_path, rna_update_dict, rna_update_from_map)
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# print(data_path_new)
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if data_path_new != data_path:
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if not IS_TESTING:
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fcurve.data_path = data_path_new
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fcurve.driver.is_valid = True # reset to allow this to work again
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print("driver-fcurve (%s): %s -> %s" % (id_data.name, data_path, data_path_new))
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for var in fcurve.driver.variables:
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if var.type == 'SINGLE_PROP':
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for tar in var.targets:
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id_data_other = tar.id
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data_path = tar.data_path
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if id_data_other and data_path:
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data_path_new = find_path_new(id_data_other, data_path, rna_update_dict, rna_update_from_map)
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# print(data_path_new)
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if data_path_new != data_path:
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if not IS_TESTING:
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tar.data_path = data_path_new
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print("driver (%s): %s -> %s" % (id_data_other.name, data_path, data_path_new))
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for action in anim_data_actions(anim_data):
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for fcu in action.fcurves:
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data_path = fcu.data_path
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data_path_new = find_path_new(anim_data_base, data_path, rna_update_dict, rna_update_from_map)
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# print(data_path_new)
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if data_path_new != data_path:
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if not IS_TESTING:
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fcu.data_path = data_path_new
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print("fcurve (%s): %s -> %s" % (id_data.name, data_path, data_path_new))
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if __name__ == "__main__":
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# Example, should be called externally
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# (class, from, to)
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replace_ls = [
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("AnimVizMotionPaths", "frame_after", "frame_after"),
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("AnimVizMotionPaths", "frame_before", "frame_before"),
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("AnimVizOnionSkinning", "frame_after", "frame_after"),
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]
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update_data_paths(replace_ls)
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