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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 ========================
# <pep8 compliant>
import random
import time
import re
ORG_PREFIX = "ORG-" # Prefix of original bones.
MCH_PREFIX = "MCH-" # Prefix of mechanism bones.
DEF_PREFIX = "DEF-" # Prefix of deformation bones.
ROOT_NAME = "root" # Name of the root bone.
#=======================================================================
# Name manipulation
#=======================================================================
def strip_trailing_number(s):
m = re.search(r'\.(\d{3})$', s)
return s[0:-4] if m else s
def strip_prefix(name):
return re.sub(r'^(?:ORG|MCH|DEF)-', '', name)
def unique_name(collection, base_name):
base_name = strip_trailing_number(base_name)
count = 1
name = base_name
while collection.get(name):
name = "%s.%03d" % (base_name, count)
count += 1
return name
def org_name(name):
""" Returns the name with ORG_PREFIX stripped from it.
"""
if name.startswith(ORG_PREFIX):
return name[len(ORG_PREFIX):]
else:
return name
def strip_org(name):
""" Returns the name with ORG_PREFIX stripped from it.
"""
if name.startswith(ORG_PREFIX):
return name[len(ORG_PREFIX):]
else:
return name
org_name = strip_org
def strip_mch(name):
""" Returns the name with ORG_PREFIX stripped from it.
"""
if name.startswith(MCH_PREFIX):
return name[len(MCH_PREFIX):]
else:
return name
def strip_def(name):
""" Returns the name with DEF_PREFIX stripped from it.
"""
if name.startswith(DEF_PREFIX):
return name[len(DEF_PREFIX):]
else:
return name
def org(name):
""" Prepends the ORG_PREFIX to a name if it doesn't already have
it, and returns it.
"""
if name.startswith(ORG_PREFIX):
return name
else:
return ORG_PREFIX + name
make_original_name = org
def mch(name):
""" Prepends the MCH_PREFIX to a name if it doesn't already have
it, and returns it.
"""
if name.startswith(MCH_PREFIX):
return name
else:
return MCH_PREFIX + name
make_mechanism_name = mch
def deformer(name):
""" Prepends the DEF_PREFIX to a name if it doesn't already have
it, and returns it.
"""
if name.startswith(DEF_PREFIX):
return name
else:
return DEF_PREFIX + name
make_deformer_name = deformer
_prefix_functions = { 'org': org, 'mch': mch, 'def': deformer, 'ctrl': lambda x: x }
def insert_before_lr(name, text):
name_parts = re.match(r'^(.*?)((?:[._-][lLrR](?:\.\d+)?)?)$', name)
name_base, name_suffix = name_parts.groups()
return name_base + text + name_suffix
def make_derived_name(name, subtype, suffix=None):
""" Replaces the name prefix, and optionally adds the suffix (before .LR if found).
"""
assert(subtype in _prefix_functions)
name = strip_prefix(name)
if suffix:
name = insert_before_lr(name, suffix)
return _prefix_functions[subtype](name)
def random_id(length=8):
""" Generates a random alphanumeric id string.
"""
tlength = int(length / 2)
rlength = int(length / 2) + int(length % 2)
chars = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
text = ""
for i in range(0, rlength):
text += random.choice(chars)
text += str(hex(int(time.time())))[2:][-tlength:].rjust(tlength, '0')[::-1]
return text
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