add template in create output path base node

templates for slot are in code but disabled, not useful in the end

__init__.py

@@ -2,7 +2,7 @@ bl_info = {
     "name": "Render Toolbox",
     "description": "Perform checks and setup outputs",
     "author": "Samuel Bernou",
-    "version": (0, 4, 0),
+    "version": (0, 5, 0),
     "blender": (4, 0, 0),
     "location": "View3D",
     "warning": "",
@@ -11,10 +11,12 @@ bl_info = {
     "category": "Render"
 }
 
+from . import properties
 from . import operators
 from . import ui
 
 modules = (
+    properties,
     operators,
     ui,
     # prefs,

fn.py

@@ -4,6 +4,7 @@ import re
 import json
 
 from .constant import TECH_PASS_KEYWORDS
+from pathlib import Path
 
 # region Manage nodes
 
@@ -62,9 +63,11 @@ def recursive_node_connect_check(l, target_node):
     return False
 
 
+# region create and connect file output
+
 def create_and_connect_file_output(node, outputs, file_out, out_name, base_path, out_base, 
                                    scene, remap_names, file_format, suffix='', color_depth=None, 
-                                   location_offset=(500, 50)):
+                                   location_offset=(500, 50), base_path_template=None, use_slot_template=False):
     """Helper function to create file output node and connect it to outputs
     
     Args:
@@ -112,6 +115,24 @@ def create_and_connect_file_output(node, outputs, file_out, out_name, base_path,
         if node.parent:
             fo.parent = node.parent
 
+        if base_path_template is not None:
+            fo.base_path = build_path_from_template(base_path_template,
+                                                    node_name=node.name.strip(),
+                                                    node_label=node.label.strip(),
+                                                    scene_name=node.scene.name if node.type == 'R_LAYERS' else None,
+                                                    viewlayer_name=node.layer if node.type == 'R_LAYERS' else None,
+                                                    )
+            if suffix:
+                if fo.format.file_format == 'OPEN_EXR_MULTILAYER':
+                    ## insert suffix right after last slash as folder
+                    path_list = re.split('(\\/)', fo.base_path)
+                    path_list.insert(-1, suffix)
+                    fo.base_path = ''.join(path_list)
+                else:
+                    ## Ensure slash separator then add suffix
+                    fo.base_path = fo.base_path.rstrip('\\/') + '/' + suffix
+        else:
+            # default behavior without template
             if base_path:
                 fo.base_path = base_path
             else:
@@ -134,9 +155,11 @@ def create_and_connect_file_output(node, outputs, file_out, out_name, base_path,
 
         ls = fo.layer_slots[-1]
         ls.name = slot_name
-
         fs = fo.file_slots[-1]
         fs.path = f'{slot_name}/{slot_name}_'
+        if use_slot_template:
+            ## Always False (currently never use slot template)
+            fs.path = slot_name
         
         out_input = fo.inputs[-1]
         links.new(o, out_input)
@@ -147,7 +170,7 @@ def create_and_connect_file_output(node, outputs, file_out, out_name, base_path,
 
 
 def connect_to_file_output(node_list, file_out=None, base_path='', excludes=None, remap_names=None, 
-                           file_format=None, split_tech_passes=False):
+                           file_format=None, split_tech_passes=False, template=None):
     """Connect selected nodes output to file output(s)
     if a file output is selected, add intputs on it
 
@@ -234,7 +257,8 @@ def connect_to_file_output(node_list, file_out=None, base_path='', excludes=None
             fo_regular = create_and_connect_file_output(
                 node, regular_outputs, file_out, out_name, base_path,
                 out_base, scene, remap_names, file_format,
-                location_offset=(500, y_offset)
+                location_offset=(500, y_offset), 
+                base_path_template=template
             )
             if fo_regular and fo_regular not in created_nodes:
                 created_nodes.append(fo_regular)
@@ -249,7 +273,8 @@ def connect_to_file_output(node_list, file_out=None, base_path='', excludes=None
                 node, tech_outputs, None, out_name, base_path,
                 out_base, scene, remap_names, tech_file_format,
                 suffix='tech/', color_depth='32',
-                location_offset=(500, y_offset)
+                location_offset=(500, y_offset), 
+                base_path_template=template
             )
 
             if fo_tech and fo_tech not in created_nodes:
@@ -266,17 +291,19 @@ def connect_to_file_output(node_list, file_out=None, base_path='', excludes=None
                 node, crypto_outputs, None, out_name, base_path,
                 out_base, scene, remap_names, tech_file_format,
                 suffix='cryptos/', color_depth='32',
-                location_offset=(500, y_offset)
+                location_offset=(500, y_offset), 
+                base_path_template=template
             )
 
             if fo_crypto and fo_crypto not in created_nodes:
                 created_nodes.append(fo_crypto)
     
-    
     return created_nodes
 
 # endregion
 
+# endregion
+
 
 # region Utilities
 
@@ -365,3 +392,98 @@ def show_message_box(_message = "", _title = "Message Box", _icon = 'INFO'):
     if isinstance(_message, str):
         _message = [_message]
     bpy.context.window_manager.popup_menu(draw, title = _title, icon = _icon)
+
+
+def get_rightmost_number_in_string(string) -> str:
+    """Get the rightmost number passed string
+    return the number as string, empty string if no number found
+    """
+    res = re.search(r'(\d+)(?!.*\d)', string)
+    if not res:
+        return ''
+    return res.group(1)
+
+
+def build_path_from_template(template: str, 
+                             node_name: str=None, 
+                             node_label: str=None, 
+                             scene_name: str=None,
+                             viewlayer_name: str=None,
+                             socket_name: str=None,
+                             socket_index: str=None,
+                             ) -> str:
+    """Get a name from a template string
+    Possible keyword:
+    {node_name} : name of the node
+    {node_label} : label of the node (fallback to node_name if not set)
+    {scene_name} : name of the source render layer node scene
+    {viewlayer_name} : name of the source render layer viewlayer
+    {socket_name} : name of source the node socket
+    {socket_index} : index of the node in the node tree (010, 020, etc.)
+
+    ## Info from Blend
+    {blend_name} : name of the blend file
+    {blend_version} : version of the blend file
+    {date} : current date (YYYYMMDD format)
+    {time} : current time (HHMMSS format)
+    """
+
+    ## note: socket index is a bad idea because the final order is not decided before execute
+    if not template:
+        return ''
+
+    # Get blend file info
+    blend_path = bpy.data.filepath
+    blend_name = ''
+    blend_version = ''
+    
+    if blend_path:
+        blend_name = Path(blend_path).stem
+        blend_version = get_rightmost_number_in_string(blend_name)
+    
+    # Get current date and time
+    import datetime
+    now = datetime.datetime.now()
+    current_date = now.strftime("%Y%m%d")
+    current_time = now.strftime("%H%M%S")
+    
+    # Handle node_label to name fallback
+    if "{node_label}" in template:
+        if node_label is None or not node_label:
+            node_label = node_name
+
+    if socket_index:
+        # Ensure socket_index is formatted as a zero-padded string and increment on base 10 (allow to insert inbetween renders)
+        socket_index = f"{int(socket_index)*10:03d}"
+
+    def clean_name(name):
+        # Clean names to be file-system safe
+        if name is None:
+            return ''
+        return bpy.path.clean_name(name)
+
+    # Create a dictionary of all available variables
+    template_vars = {
+        'node_name': clean_name(node_name),
+        'node_label': clean_name(node_label),
+        'socket_name': clean_name(socket_name),
+        'scene_name': clean_name(scene_name),
+        'viewlayer_name': clean_name(viewlayer_name),
+        'socket_index': socket_index or '',
+        'blend_name': clean_name(blend_name),
+        'blend_version': blend_version,
+        'date': current_date,
+        'time': current_time,
+    }
+    
+    # Apply template using format_map to handle missing keys gracefully
+    try:
+        applied_template = template.format_map(template_vars)
+    except KeyError as e:
+        # If a key is missing, return template with error message
+        # print(f"Template error: Unknown variable {e}")
+        return f"Template error: Unknown {e}"
+    
+    return applied_template
+
+# endregion

operators/outputs_setup.py

@@ -1,6 +1,9 @@
 import bpy
 import os
 import re
+
+from pathlib import Path
+
 from .. import fn
 from bpy.props import (StringProperty,
                       BoolProperty,
@@ -121,10 +124,42 @@ class RT_PG_selectable_prop(bpy.types.PropertyGroup):
     is_linked: BoolProperty(name="Linked", default=False)
     # is_valid: BoolProperty(name="Valid", default=True)
 
+    ## Specific to render layer nodes
+    scene_name : StringProperty(name="Scene Name", default='')
+    viewlayer_name : StringProperty(name="ViewLayer Name", default='')
+
+    
     ## extra output naming options
     name_from_node: StringProperty(name="Name From Node")
     name_from_node_and_socket: StringProperty(name="Name From Node And Socket")
     name_from_node_and_socket_with_scene: StringProperty(name="Name From Node And Socket With Scene prefixed")
+    name_from_node_and_socket_with_scene: StringProperty(name="Name From Node And Socket With Scene prefixed")
+    name_from_template: StringProperty(name="Name From Templates")
+    ## Individual ? (not transmitted to assignation function currently, only used to build remap name)
+    # name_from_template: StringProperty(name="Layer Name From Templates")
+    # slot_from_template: StringProperty(name="File Slot From Templates")
+
+def update_template_file_slot(self, context):
+    for item in context.window_manager.rt_socket_collection:
+        item.name_from_template = fn.build_path_from_template(
+            self.template_file_slot, 
+            node_name=item.node_name, 
+            node_label=item.node_label, 
+            scene_name=item.scene_name,
+            viewlayer_name=item.viewlayer_name,
+            socket_name=item.socket_name,
+        )
+
+def update_template_multilayer_name(self, context):
+    for item in context.window_manager.rt_socket_collection:
+        item.name_from_template = fn.build_path_from_template(
+            self.template_multilayer_name, 
+            node_name=item.node_name, 
+            node_label=item.node_label, 
+            scene_name=item.scene_name,
+            viewlayer_name=item.viewlayer_name,
+            socket_name=item.socket_name,
+        )
 
 class RT_OT_create_output_layers(bpy.types.Operator):
     bl_idname = "rt.create_output_layers"
@@ -150,20 +185,16 @@ class RT_OT_create_output_layers(bpy.types.Operator):
         name='Output Name From',
         description='Choose the output name\
             \nNode name use Label (Use node name when there is no Label)',
-        default='node_and_socket_name',
+        default='socket_name',
         items=(
                 ('node_and_socket_name', 'Node Socket Name', 'Use the node name prefix and socket name', 0),
                 ('node_and_socket_name_with_scene', 'Scene + Node Socket Name', 'Use the node name prefix and socket name, prefix scene with render layer nodes', 1),
                 ('socket_name', 'Socket Name', 'Use the socket name as output name', 2),
                 ('node_name', 'Node Name', 'Use the node name as output name', 3),
+                # ('template', 'From Template', 'Use custom template for naming', 4), # Disable slot template for now
             )
         )
 
-    # prefix_with_node_name : BoolProperty(
-    #     name='Prefix With Node Name',
-    #     description='Add the node name as prefix to the output name',
-    #     default=False)
-
     base_path : StringProperty(
         name='Custom base path',
         default='',
@@ -209,6 +240,68 @@ class RT_OT_create_output_layers(bpy.types.Operator):
             ),
         )
 
+    # --- templates
+
+    use_base_path_templates : BoolProperty(
+        name='Use Base Path Template',
+        default=True,
+        description='Use template strings for base path formatting')
+
+    ## -- base path
+    template_base_path : StringProperty(
+        name="Base Path Template",
+        description="Template for file output base path\
+            \nFolder containing subsequent filepath",
+        default="//render/{node_name}/",
+        # options={'SKIP_SAVE'}
+    )
+
+    ## Multilayer base path : output on file instead of folder
+    template_multilayer_base_path : StringProperty(
+        name="Base Path Template",
+        description="Template for multilayer file output base paths\
+            \nOutput of the file sequence",
+        default="//render/{node_name}/{node_name}_",
+        # options={'SKIP_SAVE'}
+    )
+
+
+    ## -- slots/layer_names (UNUSED for now)
+    template_file_slot : StringProperty(
+        name="File Slot Template",
+        description="Template for file output file slots\
+            \nSubpath added to base path for file sequence",
+        default="{socket_name}/{socket_name}_",
+        update=update_template_file_slot,
+        # options={'SKIP_SAVE'}
+    )
+
+    ## Multilayer's layer:  layer name in EXR instead of subpath to file
+    template_multilayer_name : StringProperty(
+        name="Layer Name Template",
+        description="Template for multilayer file output layer names\
+            \nLayer name in EXR multilayer file",
+        default="{socket_name}",
+        update=update_template_multilayer_name,
+        # options={'SKIP_SAVE'}
+    )
+
+    ## extra suffix passes (unused)
+    # template_tech_pass_name : StringProperty(
+    #     name="Tech Pass Name Template",
+    #     description="Template for tech pass file output layer names\
+    #         \nLayer name in EXR multilayer file",
+    #     default="tech",
+    # )
+
+    # template_crypto_name : StringProperty(
+    #     name="Crypto Pass Name Template",
+    #     description="Template for crypto pass file output layer names\
+    #         \nLayer name in EXR multilayer file",
+    #     default="crypto",
+    # )
+
+
     def invoke(self, context, event):
         if not hasattr(context.window_manager, 'rt_socket_collection'):
             ## Create collection prop on window manager if not existing
@@ -222,6 +315,13 @@ class RT_OT_create_output_layers(bpy.types.Operator):
             self.base_path = ''
             return self.execute(context)
 
+        ## Store variable usable in templates
+        # self.blend_name = bpy.data.filepath
+        # self.version = ''
+        # if self.blend_name:
+        #     self.blend_name = Path(self.blend_name).stem
+        #     self.version = fn.get_rightmost_number_in_string(self.blend_name)
+
         selected = [n for n in context.scene.node_tree.nodes if n.select and n.type != 'OUTPUT_FILE']
         if not selected:
             self.report({'ERROR'}, 'No render layer nodes selected')
@@ -244,6 +344,8 @@ class RT_OT_create_output_layers(bpy.types.Operator):
  
                 if n.type == 'R_LAYERS':
                     scene_node_name = f'{n.scene.name}_{n.layer}'
+                    item.scene_name = n.scene.name
+                    item.viewlayer_name = n.layer
                 
                 ## Change node_name for render layers: scene_viewlayer_name
                 if n.type == 'R_LAYERS' and node_name != n.label: # skip if a label is set
@@ -256,7 +358,7 @@ class RT_OT_create_output_layers(bpy.types.Operator):
                     item.name_from_node_and_socket = node_name
                     item.name_from_node_and_socket_with_scene = scene_node_name
                 else:
-                    print(f'node_name: {node_name} VS {scene_node_name}')
+                    # print(f'node_name: {node_name} VS {scene_node_name}')
                     item.name_from_node_and_socket = f'{node_name}_{o.name}'
                     item.name_from_node_and_socket_with_scene = f'{scene_node_name}_{o.name}'
 
@@ -265,6 +367,25 @@ class RT_OT_create_output_layers(bpy.types.Operator):
                     item.is_linked = True
                     item.select = False
 
+        ## Assign default template values (Disabled for now)
+        ## TRIGGER update to firstly fill template slot/names
+        # self.template_file_slot = context.scene.render_toolbox.default_file_slot
+        # self.template_multilayer_name = context.scene.render_toolbox.default_multilayer_name
+        
+        ## Replace self base path
+        # self.template_base_path = context.scene.render_toolbox.default_base_path
+        # self.template_multilayer_base_path = context.scene.render_toolbox.default_multilayer_base_path
+
+        ## For template preview display, Store some infos
+        ref = selected[0]
+        self.node_name = ref.name.strip()
+        self.node_label = ref.label.strip()
+        self.scene_name = ''
+        self.view_layer_name = ''
+        if ref.type == 'R_LAYERS':
+            self.scene_name = ref.scene.name
+            self.view_layer_name = ref.layer
+        self.final_base_path_template = ''
         return context.window_manager.invoke_props_dialog(self, width=500)
 
     def draw(self, context):
@@ -276,8 +397,68 @@ class RT_OT_create_output_layers(bpy.types.Operator):
         ## Settings
         if self.show_custom_settings:
             box.use_property_split = True
-            box.row().prop(self, 'name_type', expand=False)
+
+            # Template settings
+            col = box.column()
+            row = col.row(align=True)
+            row.prop(self, 'use_base_path_templates')
+            row.operator("rt.info_note", text='', icon='INFO').text = """Format the base path using templates.
+Possible variables: 
+{node_name} : name of the node
+{node_label} : label of the node, fallback to node_name when nothing
+{scene_name} : name of the scene from render layer node
+{viewlayer_name} : name of the viewlayer from render layer node
+{blend_name} : stem of the blend
+{blend_version} : version (rightmost number in blend name)
+{date} : (YYYYMMDD format)
+{time} : (HHMMSS format)""" # {socket_name} : name of the socket (only availabe in slots)
+
+            final_format = self.file_format
+            if final_format == 'NONE':
+                final_format = os.environ.get('FILE_FORMAT', 'OPEN_EXR_MULTILAYER')
+
+            if self.use_base_path_templates:
+
+                if final_format == 'OPEN_EXR_MULTILAYER':
+                    ## self local template
+                    # box.prop(self, 'template_multilayer_base_path')
+                    # self.final_base_path_template = self.template_multilayer_base_path
+
+                    ## scene prop
+                    box.prop(context.scene.render_toolbox, 'default_multilayer_base_path')
+                    self.final_base_path_template = context.scene.render_toolbox.default_multilayer_base_path
+                else:
+                    ## self local template
+                    # box.prop(self, 'template_base_path')
+                    # self.final_base_path_template = self.template_base_path
+
+                    ## scene prop
+                    box.prop(context.scene.render_toolbox, 'default_base_path')
+                    self.final_base_path_template = context.scene.render_toolbox.default_base_path
+                ## display the applied template
+                box.label(text=fn.build_path_from_template(self.final_base_path_template,
+                                                           node_name = self.node_name,
+                                                           node_label=self.node_label,
+                                                           scene_name=self.scene_name,
+                                                           viewlayer_name=self.view_layer_name,
+                                                        ),
+                        icon='INFO'
+                )
+
+            else:
                 box.prop(self, 'base_path')
+                self.final_base_path_template = None
+            
+            if self.name_type == 'template':
+                row_single = box.row()
+                row_single.prop(self, 'template_file_slot')
+                row_single.active = final_format != 'OPEN_EXR_MULTILAYER'
+                row_multi = box.row()
+                row_multi.prop(self, 'template_multilayer_name')
+                row_multi.active = final_format == 'OPEN_EXR_MULTILAYER'
+
+            ## Todo: Add rt.info_note to explain templates
+            box.row().prop(self, 'name_type', expand=False)
             col = box.column()
             col.prop(self, 'file_format')
             col.prop(self, 'exr_codec')
@@ -295,6 +476,8 @@ class RT_OT_create_output_layers(bpy.types.Operator):
             op.target_prop = 'name_from_node_and_socket'
         elif self.name_type == 'node_and_socket_name_with_scene':
             op.target_prop = 'name_from_node_and_socket_with_scene'
+        elif self.name_type == 'template':
+            op.target_prop = 'name_from_template'
 
         ## Node Sockets
         layout.use_property_split = False
@@ -339,6 +522,8 @@ class RT_OT_create_output_layers(bpy.types.Operator):
                 row.prop(item, 'name_from_node_and_socket', text='')
             elif self.name_type == 'node_and_socket_name_with_scene':
                 row.prop(item, 'name_from_node_and_socket_with_scene', text='')
+            elif self.name_type == 'template':
+                row.prop(item, 'name_from_template', text='')
 
     def execute(self, context):
         
@@ -364,6 +549,8 @@ class RT_OT_create_output_layers(bpy.types.Operator):
                     final_name = item.name_from_node_and_socket
                 elif self.name_type == 'node_and_socket_name_with_scene':
                     final_name = item.name_from_node_and_socket_with_scene
+                elif self.name_type == 'name_from_template':
+                    final_name = item.name_from_template
 
                 if not item.select:
                     # All deselected goes to exclude with {node_name: [socket1, ...]}
@@ -400,7 +587,8 @@ class RT_OT_create_output_layers(bpy.types.Operator):
                 excludes=excludes,
                 remap_names=remap_names,
                 file_format=file_format,
-                split_tech_passes=self.split_tech_passes)
+                split_tech_passes=self.split_tech_passes,
+                template=self.final_base_path_template)
 
         return {"FINISHED"}
 

operators/utility.py

@@ -1,5 +1,6 @@
 import bpy
 
+from bpy.types import Operator
 from bpy.props import (BoolProperty,
                         EnumProperty,
                         PointerProperty,
@@ -8,7 +9,7 @@ from bpy.props import (BoolProperty,
 
 from .. import fn
 
-class RT_OT_select_object_by_name(bpy.types.Operator):
+class RT_OT_select_object_by_name(Operator):
     bl_idname = "rt.select_object_by_name"
     bl_label = "Select Object By name"
     bl_description = "Select object and modifier"
@@ -41,6 +42,7 @@ class RT_OT_select_object_by_name(bpy.types.Operator):
             return {'CANCELLED'}
         
         # Make it the active object
+        ## function to make active and selected
         # fn.show_and_active_object(context, target_object, make_active=True, )
         context.view_layer.objects.active = target_object
         
@@ -64,8 +66,44 @@ class RT_OT_select_object_by_name(bpy.types.Operator):
         return {'FINISHED'}
 
 
+class RT_OT_info_note(Operator):
+    bl_idname = "rt.info_note"
+    bl_label = "Info Note"
+    bl_description = "Info Note"
+    bl_options = {"REGISTER", "INTERNAL"}
+
+    text : bpy.props.StringProperty(default='', options={'SKIP_SAVE'})
+    title : bpy.props.StringProperty(default='Help', options={'SKIP_SAVE'})
+    icon : bpy.props.StringProperty(default='INFO', options={'SKIP_SAVE'})
+
+    @classmethod
+    def description(self, context, properties):
+        return properties.text
+
+    def execute(self, context):
+        ## Split text in list of lines to display
+        lines = self.text.split('\n')
+        fn.show_message_box(_message=lines, _title=self.title, _icon=self.icon)
+        return {"FINISHED"}
+
+# Not registered yet
+class RT_set_env_settings(bpy.types.Operator):
+    """manually reset environnement settings"""
+    bl_idname = "rt.set_env_settings"
+    bl_label = "Reset Templates From Env"
+    bl_description = "Reset Render Toolbox templates from environment variables"
+    bl_options = {"REGISTER", "UNDO", "INTERNAL"}
+
+    # mode : bpy.props.StringProperty(default='ALL', options={'SKIP_SAVE'}) # 'HIDDEN', 
+
+    def execute(self, context):
+        from ..properties import set_env_properties
+        set_env_properties()
+        return {'FINISHED'}
+
 classes = (
 RT_OT_select_object_by_name,
+RT_OT_info_note
 )
 
 

properties.py

@@ -0,0 +1,86 @@
+import bpy
+import os
+
+from bpy.types import PropertyGroup
+from bpy.props import StringProperty
+
+
+class RT_PG_render_toolbox_props(PropertyGroup):
+    default_base_path : StringProperty(
+        name="Base Path Template",
+        description="Template for file output base path\
+            \nFolder containing subsequent filepath",
+        default="//render/{node_name}/",
+        # options={'SKIP_SAVE'}
+    )
+
+    ## Multilayer base path :  output on file instead of folder
+    default_multilayer_base_path : StringProperty(
+        name="Base Path Template",
+        description="Template for multilayer file output base paths\
+            \nOutput of the file sequence",
+        default="//render/{node_name}/{node_name}_",
+        # options={'SKIP_SAVE'}
+    )
+
+    ### file slots (not used currently)
+
+    default_file_slot : StringProperty(
+        name="File Slot Template",
+        description="Template for file output file slots\
+            \nSubpath added to base path for file sequence",
+        default="{socket_name}/{socket_name}_",
+        # options={'SKIP_SAVE'}
+    )
+
+    ## Multilayer's layer:  layer name in EXR instead of subpath to file
+    default_multilayer_name : StringProperty(
+        name="Layer Name Template",
+        description="Template for multilayer file output layer names\
+            \nLayer name in EXR multilayer file",
+        default="{socket_name}",
+        # options={'SKIP_SAVE'}
+    )
+
+    # default_tech_pass_name : StringProperty(
+    #     name="Tech Pass Name Template",
+    #     description="Template for tech pass file output layer names\
+    #         \nLayer name in EXR multilayer file",
+    #     default="tech",
+    #     # options={'SKIP_SAVE'}
+    # )
+
+    # default_crypto_name : StringProperty(
+    #     name="Crypto Pass Name Template",
+    #     description="Template for crypto pass file output layer names\
+    #         \nLayer name in EXR multilayer file",
+    #     default="crypto",
+    #     # options={'SKIP_SAVE'}
+    # )
+
+def set_env_properties():
+    ## set default template from environment variable if available
+    exr_base_path_template = os.getenv('RENDERTOOLBOX_EXR_PATH_TEMPLATE')
+    if exr_base_path_template:
+        bpy.context.scene.render_toolbox.default_base_path = exr_base_path_template
+    
+    multilayer_base_path_template = os.getenv('RENDERTOOLBOX_MULTILAYER_PATH_TEMPLATE')
+    if multilayer_base_path_template:
+        bpy.context.scene.render_toolbox.default_multilayer_base_path = multilayer_base_path_template
+
+classes = (
+    RT_PG_render_toolbox_props,
+)
+
+def register():
+    for cls in classes:
+        bpy.utils.register_class(cls)
+    
+    bpy.types.Scene.render_toolbox = bpy.props.PointerProperty(type=RT_PG_render_toolbox_props)
+    set_env_properties()
+
+def unregister():
+    del bpy.types.Scene.render_toolbox
+    
+    for cls in reversed(classes):
+        bpy.utils.unregister_class(cls)

ui.py

@@ -3,7 +3,7 @@ import bpy
 from bpy.types import Panel
 
 
-class RT_PT_gp_node_ui(Panel):
+class RT_PT_render_toolbox_ui(Panel):
     bl_space_type = "NODE_EDITOR"
     bl_region_type = "UI"
     bl_category = "Render" # Wrangler
@@ -14,8 +14,17 @@ class RT_PT_gp_node_ui(Panel):
         layout.operator("rt.create_output_layers", icon="NODE")
         layout.operator("rt.outputs_search_and_replace", text='Search and replace outputs', icon="BORDERMOVE")
 
-        layout.separator()
+class RT_PT_visibility_check(Panel):
-        layout.label(text="Visibily Checks:")
+    bl_space_type = "NODE_EDITOR"
+    bl_region_type = "UI"
+    bl_category = "Render" # Wrangler
+    bl_label = "Visibility Checks"
+    # bl_parent_id = "RT_PT_render_toolbox_ui"
+    # bl_options = {'DEFAULT_CLOSED'}
+
+    def draw(self, context):
+        layout = self.layout
+        # layout.label(text="Visibily Checks:")
         layout.operator("rt.list_object_visibility_conflicts", icon="OBJECT_DATAMODE")
         layout.operator("rt.list_viewport_render_visibility", text="List Viewport Vs Render Visibility", icon="OBJECT_DATAMODE")
         
@@ -23,9 +32,41 @@ class RT_PT_gp_node_ui(Panel):
         
         layout.operator("rt.list_collection_visibility_conflicts", text="List Collections Visibility Conflicts", icon="OUTLINER_COLLECTION")
         
+        # layout.separator()
+        # layout.operator("rt.list_object_affected_by_simplify", text="List Object Affected By Simplify", icon="MOD_SIMPLIFY")
+
+
+## Unused, only exposed in Create output panel
+class RT_PT_output_template(Panel):
+    bl_space_type = "NODE_EDITOR"
+    bl_region_type = "UI"
+    bl_category = "Render" # Wrangler
+    bl_label = "File Output Templates"
+    bl_parent_id = "RT_PT_render_toolbox_ui"
+    # bl_options = {'DEFAULT_CLOSED'}
+
+    def draw(self, context):
+        layout = self.layout
+        settings = context.scene.render_toolbox
+        
+        col = layout.column(align=True)
+        col.label(text='Single file:')
+        col.prop(settings, "default_base_path", text="Base Path")
+        col.prop(settings, "default_file_slot", text="File Slot")
+        
+        col.separator()
+        col = layout.column(align=True)
+        col.label(text='Multilayers:')
+        col.prop(settings, "default_multilayer_base_path", text="Base Path")
+        col.prop(settings, "default_multilayer_name", text="Layer Name")
+
+        ## Handle separate tech passes names ?
+
 
 classes = (
-RT_PT_gp_node_ui,
+    RT_PT_render_toolbox_ui,
+    # RT_PT_output_template,
+    RT_PT_visibility_check,
 )
 
 def register():