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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
"""
Pose Library - usage functions.
"""
from typing import Set
import re
from bpy.types import (
Action,
Object,
)
def select_bones(arm_object: Object, action: Action, *, select: bool, flipped: bool) -> None:
pose_bone_re = re.compile(r'pose.bones\["([^"]+)"\]')
pose = arm_object.pose
seen_bone_names: Set[str] = set()
for fcurve in action.fcurves:
data_path: str = fcurve.data_path
match = pose_bone_re.match(data_path)
if not match:
continue
bone_name = match.group(1)
if bone_name in seen_bone_names:
continue
seen_bone_names.add(bone_name)
if flipped:
bone_name = flip_side_name(bone_name)
try:
pose_bone = pose.bones[bone_name]
except KeyError:
continue
pose_bone.bone.select = select
_FLIP_SEPARATORS = set(". -_")
# These are single-character replacements, others are handled differently.
_FLIP_REPLACEMENTS = {
"l": "r",
"L": "R",
"r": "l",
"R": "L",
}
def flip_side_name(to_flip: str) -> str:
"""Flip left and right indicators in the name.
Basically a Python implementation of BLI_string_flip_side_name.
>>> flip_side_name('bone_L.004')
'bone_R.004'
>>> flip_side_name('left_bone')
'right_bone'
>>> flip_side_name('Left_bone')
'Right_bone'
>>> flip_side_name('LEFT_bone')
'RIGHT_bone'
>>> flip_side_name('some.bone-RIGHT.004')
'some.bone-LEFT.004'
>>> flip_side_name('some.bone-right.004')
'some.bone-left.004'
>>> flip_side_name('some.bone-Right.004')
'some.bone-Left.004'
>>> flip_side_name('some.bone-LEFT.004')
'some.bone-RIGHT.004'
>>> flip_side_name('some.bone-left.004')
'some.bone-right.004'
>>> flip_side_name('some.bone-Left.004')
'some.bone-Right.004'
>>> flip_side_name('.004')
'.004'
>>> flip_side_name('L.004')
'R.004'
"""
import string
if len(to_flip) < 3:
# we don't flip names like .R or .L
return to_flip
# We first check the case with a .### extension, let's find the last period.
number = ""
replace = to_flip
if to_flip[-1] in string.digits:
try:
index = to_flip.rindex(".")
except ValueError:
pass
else:
if to_flip[index + 1] in string.digits:
# TODO(Sybren): this doesn't handle "bone.1abc2" correctly.
number = to_flip[index:]
replace = to_flip[:index]
if not replace:
# Nothing left after the number, so no flips necessary.
return replace + number
if len(replace) == 1:
replace = _FLIP_REPLACEMENTS.get(replace, replace)
return replace + number
# First case; separator . - _ with extensions r R l L.
if replace[-2] in _FLIP_SEPARATORS and replace[-1] in _FLIP_REPLACEMENTS:
replace = replace[:-1] + _FLIP_REPLACEMENTS[replace[-1]]
return replace + number
# Second case; beginning with r R l L, with separator after it.
if replace[1] in _FLIP_SEPARATORS and replace[0] in _FLIP_REPLACEMENTS:
replace = _FLIP_REPLACEMENTS[replace[0]] + replace[1:]
return replace + number
lower = replace.lower()
prefix = suffix = ""
if lower.startswith("right"):
bit = replace[0:2]
if bit == "Ri":
prefix = "Left"
elif bit == "RI":
prefix = "LEFT"
else:
prefix = "left"
replace = replace[5:]
elif lower.startswith("left"):
bit = replace[0:2]
if bit == "Le":
prefix = "Right"
elif bit == "LE":
prefix = "RIGHT"
else:
prefix = "right"
replace = replace[4:]
elif lower.endswith("right"):
bit = replace[-5:-3]
if bit == "Ri":
suffix = "Left"
elif bit == "RI":
suffix = "LEFT"
else:
suffix = "left"
replace = replace[:-5]
elif lower.endswith("left"):
bit = replace[-4:-2]
if bit == "Le":
suffix = "Right"
elif bit == "LE":
suffix = "RIGHT"
else:
suffix = "right"
replace = replace[:-4]
return prefix + replace + suffix + number
if __name__ == '__main__':
import doctest
print(f"Test result: {doctest.testmod()}")
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