394 lines
14 KiB
Python
394 lines
14 KiB
Python
# SPDX-FileCopyrightText: 2012-2023 Blender Authors
|
|
#
|
|
# SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
import bpy
|
|
|
|
|
|
def build_property_typemap(skip_classes, skip_typemap):
|
|
|
|
property_typemap = {}
|
|
|
|
for attr in dir(bpy.types):
|
|
# Skip internal methods.
|
|
if attr.startswith("_"):
|
|
continue
|
|
cls = getattr(bpy.types, attr)
|
|
if issubclass(cls, skip_classes):
|
|
continue
|
|
bl_rna = getattr(cls, "bl_rna", None)
|
|
# Needed to skip classes added to the modules `__dict__`.
|
|
if bl_rna is None:
|
|
continue
|
|
|
|
# # to support skip-save we can't get all props
|
|
# properties = bl_rna.properties.keys()
|
|
properties = []
|
|
for prop_id, prop in bl_rna.properties.items():
|
|
if not prop.is_skip_save:
|
|
properties.append(prop_id)
|
|
|
|
properties.remove("rna_type")
|
|
property_typemap[attr] = properties
|
|
|
|
if skip_typemap:
|
|
for cls_name, properties_blacklist in skip_typemap.items():
|
|
properties = property_typemap.get(cls_name)
|
|
if properties is not None:
|
|
for prop_id in properties_blacklist:
|
|
try:
|
|
properties.remove(prop_id)
|
|
except:
|
|
print("skip_typemap unknown prop_id '%s.%s'" % (cls_name, prop_id))
|
|
else:
|
|
print("skip_typemap unknown class '%s'" % cls_name)
|
|
|
|
return property_typemap
|
|
|
|
|
|
def print_ln(data):
|
|
print(data, end="")
|
|
|
|
|
|
def rna2xml(
|
|
fw=print_ln,
|
|
root_node="",
|
|
root_rna=None, # must be set
|
|
root_rna_skip=set(),
|
|
root_ident="",
|
|
ident_val=" ",
|
|
skip_classes=(
|
|
bpy.types.Operator,
|
|
bpy.types.Panel,
|
|
bpy.types.KeyingSet,
|
|
bpy.types.Header,
|
|
bpy.types.PropertyGroup,
|
|
),
|
|
skip_typemap=None,
|
|
pretty_format=True,
|
|
method='DATA',
|
|
):
|
|
from xml.sax.saxutils import quoteattr
|
|
property_typemap = build_property_typemap(skip_classes, skip_typemap)
|
|
|
|
# don't follow properties of this type, just reference them by name
|
|
# they MUST have a unique 'name' property.
|
|
# 'ID' covers most types
|
|
referenced_classes = (
|
|
bpy.types.ID,
|
|
bpy.types.Bone,
|
|
bpy.types.ActionGroup,
|
|
bpy.types.PoseBone,
|
|
bpy.types.Node,
|
|
bpy.types.Sequence,
|
|
)
|
|
|
|
def number_to_str(val, val_type):
|
|
if val_type == int:
|
|
return "%d" % val
|
|
elif val_type == float:
|
|
return "%.6g" % val
|
|
elif val_type == bool:
|
|
return "TRUE" if val else "FALSE"
|
|
else:
|
|
raise NotImplementedError("this type is not a number %s" % val_type)
|
|
|
|
def rna2xml_node(ident, value, parent):
|
|
ident_next = ident + ident_val
|
|
|
|
# divide into attrs and nodes.
|
|
node_attrs = []
|
|
nodes_items = []
|
|
nodes_lists = []
|
|
|
|
value_type = type(value)
|
|
|
|
if issubclass(value_type, skip_classes):
|
|
return
|
|
|
|
# XXX, FIXME, point-cache has eternal nested pointer to itself.
|
|
if value == parent:
|
|
return
|
|
|
|
value_type_name = value_type.__name__
|
|
for prop in property_typemap[value_type_name]:
|
|
|
|
subvalue = getattr(value, prop)
|
|
subvalue_type = type(subvalue)
|
|
|
|
if subvalue_type in {int, bool, float}:
|
|
node_attrs.append("%s=\"%s\"" % (prop, number_to_str(subvalue, subvalue_type)))
|
|
elif subvalue_type is str:
|
|
node_attrs.append("%s=%s" % (prop, quoteattr(subvalue)))
|
|
elif subvalue_type is set:
|
|
node_attrs.append("%s=%s" % (prop, quoteattr("{" + ",".join(list(subvalue)) + "}")))
|
|
elif subvalue is None:
|
|
node_attrs.append("%s=\"NONE\"" % prop)
|
|
elif issubclass(subvalue_type, referenced_classes):
|
|
# special case, ID's are always referenced.
|
|
node_attrs.append("%s=%s" % (prop, quoteattr(subvalue_type.__name__ + "::" + subvalue.name)))
|
|
else:
|
|
try:
|
|
subvalue_ls = list(subvalue)
|
|
except:
|
|
subvalue_ls = None
|
|
|
|
if subvalue_ls is None:
|
|
nodes_items.append((prop, subvalue, subvalue_type))
|
|
else:
|
|
# check if the list contains native types
|
|
subvalue_rna = value.path_resolve(prop, False)
|
|
if type(subvalue_rna).__name__ == "bpy_prop_array":
|
|
# Check if this is a 0-1 color (RGB, RGBA)
|
|
# in that case write as a hexadecimal.
|
|
prop_rna = value.bl_rna.properties[prop]
|
|
if (prop_rna.subtype == 'COLOR_GAMMA' and
|
|
prop_rna.hard_min == 0.0 and
|
|
prop_rna.hard_max == 1.0 and
|
|
prop_rna.array_length in {3, 4}):
|
|
# -----
|
|
# color
|
|
array_value = "#" + "".join(("%.2x" % int(v * 255) for v in subvalue_rna))
|
|
|
|
else:
|
|
# default
|
|
def str_recursive(s):
|
|
subsubvalue_type = type(s)
|
|
if subsubvalue_type in {int, float, bool}:
|
|
return number_to_str(s, subsubvalue_type)
|
|
else:
|
|
return " ".join([str_recursive(si) for si in s])
|
|
|
|
array_value = " ".join(str_recursive(v) for v in subvalue_rna)
|
|
|
|
node_attrs.append("%s=\"%s\"" % (prop, array_value))
|
|
else:
|
|
nodes_lists.append((prop, subvalue_ls, subvalue_type))
|
|
|
|
# declare + attributes
|
|
if pretty_format:
|
|
if node_attrs:
|
|
fw("%s<%s\n" % (ident, value_type_name))
|
|
for node_attr in node_attrs:
|
|
fw("%s%s\n" % (ident_next, node_attr))
|
|
fw("%s>\n" % (ident_next,))
|
|
else:
|
|
fw("%s<%s>\n" % (ident, value_type_name))
|
|
else:
|
|
fw("%s<%s %s>\n" % (ident, value_type_name, " ".join(node_attrs)))
|
|
|
|
# unique members
|
|
for prop, subvalue, subvalue_type in nodes_items:
|
|
fw("%s<%s>\n" % (ident_next, prop)) # XXX, this is awkward, how best to solve?
|
|
rna2xml_node(ident_next + ident_val, subvalue, value)
|
|
fw("%s</%s>\n" % (ident_next, prop)) # XXX, need to check on this.
|
|
|
|
# list members
|
|
for prop, subvalue, subvalue_type in nodes_lists:
|
|
fw("%s<%s>\n" % (ident_next, prop))
|
|
for subvalue_item in subvalue:
|
|
if subvalue_item is not None:
|
|
rna2xml_node(ident_next + ident_val, subvalue_item, value)
|
|
fw("%s</%s>\n" % (ident_next, prop))
|
|
|
|
fw("%s</%s>\n" % (ident, value_type_name))
|
|
|
|
# -------------------------------------------------------------------------
|
|
# needs re-working to be generic
|
|
|
|
if root_node:
|
|
fw("%s<%s>\n" % (root_ident, root_node))
|
|
|
|
# bpy.data
|
|
if method == 'DATA':
|
|
ident = root_ident + ident_val
|
|
for attr in dir(root_rna):
|
|
|
|
# exceptions
|
|
if attr.startswith("_"):
|
|
continue
|
|
elif attr in root_rna_skip:
|
|
continue
|
|
|
|
value = getattr(root_rna, attr)
|
|
try:
|
|
ls = value[:]
|
|
except:
|
|
ls = None
|
|
|
|
if type(ls) == list:
|
|
fw("%s<%s>\n" % (ident, attr))
|
|
for blend_id in ls:
|
|
rna2xml_node(ident + ident_val, blend_id, None)
|
|
fw("%s</%s>\n" % (ident_val, attr))
|
|
# any attribute
|
|
elif method == 'ATTR':
|
|
rna2xml_node(root_ident, root_rna, None)
|
|
|
|
if root_node:
|
|
fw("%s</%s>\n" % (root_ident, root_node))
|
|
|
|
|
|
def xml2rna(
|
|
root_xml, *,
|
|
root_rna=None, # must be set
|
|
):
|
|
|
|
def rna2xml_node(xml_node, value):
|
|
# print("evaluating:", xml_node.nodeName)
|
|
|
|
# ---------------------------------------------------------------------
|
|
# Simple attributes
|
|
|
|
for attr in xml_node.attributes.keys():
|
|
# print(" ", attr)
|
|
subvalue = getattr(value, attr, Ellipsis)
|
|
|
|
if subvalue is Ellipsis:
|
|
print("%s.%s not found" % (type(value).__name__, attr))
|
|
else:
|
|
value_xml = xml_node.attributes[attr].value
|
|
|
|
subvalue_type = type(subvalue)
|
|
# tp_name = 'UNKNOWN'
|
|
if subvalue_type == float:
|
|
value_xml_coerce = float(value_xml)
|
|
# tp_name = 'FLOAT'
|
|
elif subvalue_type == int:
|
|
value_xml_coerce = int(value_xml)
|
|
# tp_name = 'INT'
|
|
elif subvalue_type == bool:
|
|
value_xml_coerce = {'TRUE': True, 'FALSE': False}[value_xml]
|
|
# tp_name = 'BOOL'
|
|
elif subvalue_type == str:
|
|
value_xml_coerce = value_xml
|
|
# tp_name = 'STR'
|
|
elif hasattr(subvalue, "__len__"):
|
|
if value_xml.startswith("#"):
|
|
# read hexadecimal value as float array
|
|
value_xml_split = value_xml[1:]
|
|
value_xml_coerce = [int(value_xml_split[i:i + 2], 16) /
|
|
255 for i in range(0, len(value_xml_split), 2)]
|
|
del value_xml_split
|
|
else:
|
|
value_xml_split = value_xml.split()
|
|
try:
|
|
value_xml_coerce = [int(v) for v in value_xml_split]
|
|
except ValueError:
|
|
try:
|
|
value_xml_coerce = [float(v) for v in value_xml_split]
|
|
except ValueError: # bool vector property
|
|
value_xml_coerce = [{'TRUE': True, 'FALSE': False}[v] for v in value_xml_split]
|
|
del value_xml_split
|
|
# tp_name = 'ARRAY'
|
|
|
|
# print(" %s.%s (%s) --- %s" % (type(value).__name__, attr, tp_name, subvalue_type))
|
|
try:
|
|
setattr(value, attr, value_xml_coerce)
|
|
except ValueError:
|
|
# size mismatch
|
|
val = getattr(value, attr)
|
|
if len(val) < len(value_xml_coerce):
|
|
setattr(value, attr, value_xml_coerce[:len(val)])
|
|
else:
|
|
setattr(value, attr, list(value_xml_coerce) + list(val)[len(value_xml_coerce):])
|
|
|
|
# ---------------------------------------------------------------------
|
|
# Complex attributes
|
|
for child_xml in xml_node.childNodes:
|
|
if child_xml.nodeType == child_xml.ELEMENT_NODE:
|
|
# print()
|
|
# print(child_xml.nodeName)
|
|
subvalue = getattr(value, child_xml.nodeName, None)
|
|
if subvalue is not None:
|
|
|
|
elems = []
|
|
for child_xml_real in child_xml.childNodes:
|
|
if child_xml_real.nodeType == child_xml_real.ELEMENT_NODE:
|
|
elems.append(child_xml_real)
|
|
del child_xml_real
|
|
|
|
if hasattr(subvalue, "__len__"):
|
|
# Collection
|
|
if len(elems) != len(subvalue):
|
|
print("Size Mismatch! collection:", child_xml.nodeName)
|
|
else:
|
|
for i in range(len(elems)):
|
|
child_xml_real = elems[i]
|
|
subsubvalue = subvalue[i]
|
|
|
|
if child_xml_real is None or subsubvalue is None:
|
|
print("None found %s - %d collection:", (child_xml.nodeName, i))
|
|
else:
|
|
rna2xml_node(child_xml_real, subsubvalue)
|
|
|
|
else:
|
|
# print(elems)
|
|
if len(elems) == 1:
|
|
# sub node named by its type
|
|
child_xml_real, = elems
|
|
|
|
# print(child_xml_real, subvalue)
|
|
rna2xml_node(child_xml_real, subvalue)
|
|
else:
|
|
# empty is valid too
|
|
pass
|
|
|
|
rna2xml_node(root_xml, root_rna)
|
|
|
|
|
|
# -----------------------------------------------------------------------------
|
|
# Utility function used by presets.
|
|
# The idea is you can run a preset like a script with a few args.
|
|
#
|
|
# This roughly matches the operator 'bpy.ops.script.python_file_run'
|
|
|
|
|
|
def _get_context_val(context, path):
|
|
try:
|
|
value = context.path_resolve(path)
|
|
except BaseException as ex:
|
|
print("Error: %r, path %r not found" % (ex, path))
|
|
value = Ellipsis
|
|
|
|
return value
|
|
|
|
|
|
def xml_file_run(context, filepath, rna_map):
|
|
import xml.dom.minidom
|
|
|
|
xml_nodes = xml.dom.minidom.parse(filepath)
|
|
bpy_xml = xml_nodes.getElementsByTagName("bpy")[0]
|
|
|
|
for rna_path, xml_tag in rna_map:
|
|
|
|
# first get xml
|
|
# TODO, error check
|
|
xml_node = bpy_xml.getElementsByTagName(xml_tag)[0]
|
|
|
|
value = _get_context_val(context, rna_path)
|
|
|
|
if value is not Ellipsis and value is not None:
|
|
# print(" loading XML: %r -> %r" % (filepath, rna_path))
|
|
xml2rna(xml_node, root_rna=value)
|
|
|
|
|
|
def xml_file_write(context, filepath, rna_map, *, skip_typemap=None):
|
|
with open(filepath, "w", encoding="utf-8") as file:
|
|
fw = file.write
|
|
fw("<bpy>\n")
|
|
|
|
for rna_path, _xml_tag in rna_map:
|
|
# xml_tag is ignored, we get this from the rna
|
|
value = _get_context_val(context, rna_path)
|
|
rna2xml(
|
|
fw=fw,
|
|
root_rna=value,
|
|
method='ATTR',
|
|
root_ident=" ",
|
|
ident_val=" ",
|
|
skip_typemap=skip_typemap,
|
|
)
|
|
|
|
fw("</bpy>\n")
|