forked from bartvdbraak/blender
Experemental XML UI, define panels/menus/headers which load at startup like python scripts.
- 2 panels implimented in properties_render_test.xml (Render Dimensions and Stamp) - only enabled in debug mode. - poll() functions are not supported yet. - as stated above experemental, we'll see if this is at all useful, remove if not. - XML could be replaced with JSON or YAML.
This commit is contained in:
Campbell Barton
parent
2b3c8bdc27
commit
057aac553b
@ -30,6 +30,8 @@ import sys as _sys
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from _bpy import blend_paths
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from _bpy import script_paths as _bpy_script_paths
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_TEST_XML = _bpy.app.debug
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def _test_import(module_name, loaded_modules):
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import traceback
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import time
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@ -52,6 +54,35 @@ def _test_import(module_name, loaded_modules):
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loaded_modules.add(mod.__name__) # should match mod.__name__ too
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return mod
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if _TEST_XML:
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# TEST CODE
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def _test_import_xml(path, f, loaded_modules):
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import bpy_xml_ui
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import traceback
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f_full = _os.path.join(path, f)
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_bpy_types._register_immediate = True
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try:
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classes = bpy_xml_ui.load_xml(f_full)
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except:
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traceback.print_exc()
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classes = []
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_bpy_types._register_immediate = False
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if classes:
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mod_name = f.split(".")[0]
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# fake module
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mod = type(traceback)(mod_name)
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mod.__file__ = f_full
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for cls in classes:
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setattr(mod, cls.__name__, cls)
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loaded_modules.add(mod_name)
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_sys.modules[mod_name] = mod
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mod.register = lambda: None # quiet errors
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return mod
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def modules_from_path(path, loaded_modules):
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"""
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@ -79,6 +110,10 @@ def modules_from_path(path, loaded_modules):
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else:
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mod = None
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if _TEST_XML:
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if mod is None and f.endswith(".xml"):
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mod = _test_import_xml(path, f, loaded_modules)
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if mod:
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modules.append(mod)
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151
release/scripts/modules/bpy_xml_ui.py
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151
release/scripts/modules/bpy_xml_ui.py
Normal file
@ -0,0 +1,151 @@
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# ##### 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 translates XML into blender/ui function calls.
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"""
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import xml.dom.minidom
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import bpy as _bpy
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def parse_rna(prop, value):
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if prop.type == 'FLOAT':
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value = float(value)
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elif prop.type == 'INT':
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value = int(value)
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elif prop.type == 'BOOLEAN':
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if value not in ("true", "false"):
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raise Exception("invalid bool value: %s", value)
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value = bool(value == "true")
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elif prop.type in ('STRING', 'ENUM'):
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pass
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elif prop.type == 'POINTER':
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value = eval("_bpy." + value)
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else:
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raise Exception("type not supported %s.%s" % (prop.identifier, prop.type))
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return value
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def parse_args(base, xml_node):
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args = {}
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rna_params = base.bl_rna.functions[xml_node.tagName].parameters
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for key, value in xml_node.attributes.items():
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args[key] = parse_rna(rna_params[key], value)
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return args
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def ui_xml(base, xml_node):
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name = xml_node.tagName
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prop = base.bl_rna.properties.get(name)
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if name in base.bl_rna.properties:
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attr = xml_node.attributes.get("expr")
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if attr:
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value = attr.value
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value = eval(value, {"context": _bpy.context})
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setattr(base, name, value)
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else:
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attr = xml_node.attributes['value']
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value = attr.value
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value = parse_rna(prop, value)
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setattr(base, name, value)
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else:
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func_new = getattr(base, name)
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kw_args = parse_args(base, xml_node)
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base_new = func_new(**kw_args) # call blender func
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if xml_node.hasChildNodes():
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ui_xml_list(base_new, xml_node.childNodes)
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def ui_xml_list(base, xml_nodes):
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import bpy
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for node in xml_nodes:
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if node.nodeType not in (node.TEXT_NODE, node.COMMENT_NODE):
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ui_xml(base, node)
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bpy.N = node
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def test(layout):
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uixml = xml.dom.minidom.parseString(open("/mnt/test/blender-svn/blender/release/scripts/ui/test.xml", 'r').read())
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panel = uixml.getElementsByTagName('panel')[0]
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ui_xml_list(layout, panel.childNodes)
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def load_xml(filepath):
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classes = []
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fn = open(filepath, 'r')
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data = fn.read()
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uixml = xml.dom.minidom.parseString(data).getElementsByTagName("ui")[0]
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fn.close()
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def draw_xml(self, context):
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node = self._xml_node.getElementsByTagName("draw")[0]
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ui_xml_list(self.layout, node.childNodes)
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def draw_header_xml(self, context):
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node = self._xml_node.getElementsByTagName("draw_header")[0]
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ui_xml_list(self.layout, node.childNodes)
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for node in uixml.childNodes:
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if node.nodeType not in (node.TEXT_NODE, node.COMMENT_NODE):
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name = node.tagName
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class_name = node.attributes["identifier"].value
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if name == "panel":
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class_dict = {
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"bl_label": node.attributes["label"].value,
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"bl_region_type": node.attributes["region_type"].value,
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"bl_space_type": node.attributes["space_type"].value,
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"bl_context": node.attributes["context"].value,
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"bl_default_closed": ((node.attributes["default_closed"].value == "true") if "default_closed" in node.attributes else False),
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"draw": draw_xml,
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"_xml_node": node
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}
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if node.getElementsByTagName("draw_header"):
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class_dict["draw_header"] = draw_header_xml
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# will register instantly
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class_new = type(class_name, (_bpy.types.Panel,), class_dict)
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elif name == "menu":
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class_dict = {
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"bl_label": node.attributes["label"].value,
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"draw": draw_xml,
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"_xml_node": node
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}
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# will register instantly
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class_new = type(class_name, (_bpy.types.Menu,), class_dict)
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elif name == "header":
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class_dict = {
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"bl_label": node.attributes["label"].value,
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"bl_space_type": node.attributes["space_type"].value,
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"draw": draw_xml,
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"_xml_node": node
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}
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# will register instantly
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class_new = type(class_name, (_bpy.types.Header,), class_dict)
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else:
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raise Exception("invalid id found '%s': expected a value in ('header', 'panel', 'menu)'" % name)
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classes.append(class_new)
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return classes
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79
release/scripts/ui/properties_render_test.xml
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79
release/scripts/ui/properties_render_test.xml
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@ -0,0 +1,79 @@
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<ui>
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<panel identifier="RENDER_PT_stamp_test" label="Stamp (XML)" space_type="PROPERTIES" region_type="WINDOW" context="render" default_closed="true">
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<draw_header>
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<prop data="context.scene.render" property="render_stamp" text=""/>
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</draw_header>
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<draw>
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<split>
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<column>
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<prop data="context.scene.render" property="stamp_time" text="Time"/>
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<prop data="context.scene.render" property="stamp_date" text="Date"/>
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<prop data="context.scene.render" property="stamp_render_time" text="RenderTime"/>
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<prop data="context.scene.render" property="stamp_frame" text="Frame"/>
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<prop data="context.scene.render" property="stamp_scene" text="Scene"/>
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<prop data="context.scene.render" property="stamp_camera" text="Camera"/>
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<prop data="context.scene.render" property="stamp_filename" text="Filename"/>
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<prop data="context.scene.render" property="stamp_marker" text="Marker"/>
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<prop data="context.scene.render" property="stamp_sequencer_strip" text="Seq. Strip"/>
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</column>
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<column>
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<active expr="context.scene.render.render_stamp"/>
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<prop data="context.scene.render" property="stamp_foreground" slider="true"/>
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<prop data="context.scene.render" property="stamp_background" slider="true"/>
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<separator/>
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<prop data="context.scene.render" property="stamp_font_size" text="Font Size"/>
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</column>
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</split>
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<split percentage="0.2">
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<prop data="context.scene.render" property="stamp_note" text="Note"/>
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<row>
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<active expr="context.scene.render.stamp_note"/>
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<prop data="context.scene.render" property="stamp_note_text" text=""/>
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</row>
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</split>
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</draw>
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</panel>
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<panel identifier="RENDER_PT_dimensions_test" label="Dimensions (XML)" space_type="PROPERTIES" region_type="WINDOW" context="render">
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<draw>
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<row align="true">
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<menu menu="RENDER_MT_presets"/>
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<operator operator="render.preset_add" text="" icon="ZOOMIN"/>
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</row>
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<split>
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<column>
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<column align="true">
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<label text="Resolution:"/>
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<prop data="context.scene.render" property="resolution_x" text="X"/>
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<prop data="context.scene.render" property="resolution_y" text="Y"/>
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<prop data="context.scene.render" property="resolution_percentage" text=""/>
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<label text="Aspect Ratio:"/>
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<prop data="context.scene.render" property="pixel_aspect_x" text="X"/>
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<prop data="context.scene.render" property="pixel_aspect_y" text="Y"/>
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</column>
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<row>
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<prop data="context.scene.render" property="use_border" text="Border"/>
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<row>
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<active expr="context.scene.render.use_border"/>
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<prop data="context.scene.render" property="crop_to_border" text="Crop"/>
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</row>
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</row>
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</column>
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<column>
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<column align="true">
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<label text="Frame Range:"/>
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<prop data="context.scene" property="frame_start" text="Start"/>
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<prop data="context.scene" property="frame_end" text="End"/>
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<prop data="context.scene" property="frame_step" text="Step"/>
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<label text="Frame Rate:"/>
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<prop data="context.scene.render" property="fps"/>
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<prop data="context.scene.render" property="fps_base" text="/"/>
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</column>
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</column>
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</split>
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</draw>
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</panel>
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</ui>
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@ -922,12 +922,11 @@ class USERPREF_PT_addons(bpy.types.Panel):
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return list(USERPREF_PT_addons._addons_fake_modules.values())
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else:
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# never run this!, before it used ast
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# never run this!, before it used 'ast' module
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pass
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'''
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# note, this still gets added to _bpy_types.TypeMap
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import bpy_types as _bpy_types
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_bpy_types._register_override = True
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# sys.path.insert(0, None)
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for path in paths:
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@ -937,8 +936,6 @@ class USERPREF_PT_addons(bpy.types.Panel):
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if bpy.app.debug:
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print("Addon Script Load Time %.4f" % (time.time() - t_main))
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_bpy_types._register_override = False
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# del sys.path[0]
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return modules
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'''
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