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#!/usr/bin/env python3
"""
Antti's Perception Laboratory - Host v9.2 (Config Load Fix)
-----------------------------------------------------------------
[V9.2 FIX] Fixed config loading to call set_config_options() for proper node initialization
[V9.1 FIX] Fixed get_blended_input to preserve complex arrays instead of destroying them
[V9 FEATURE] Added a global 'Speed' setting (slider) to control the simulation timer interval.
[V8 FEATURE] ADDED NODE EXPORT OPTION during save for easy sharing of workflow + node files.
[V7 FEATURE] Added support for custom node state (W-Matrices, etc.)
saved to a sidecar folder during graph save/load.
[V6.1 FEATURE] Added 'learned_weight' support to EdgeItem.
The physics engine now multiplies signal transfer by this weight.
[V5 CORE] Robust NaN/Inf handling.
"""
import sys
import numpy as np
from PyQt6 import QtWidgets, QtGui, QtCore
import cv2
import pyqtgraph as pg
from collections import deque
import os
import inspect
import importlib.util
import json
import shutil # <--- ADDED for file copy
pg.setConfigOptions(imageAxisOrder='row-major')
# --- HELPER FUNCTION WITH NaN PROTECTION ---
def numpy_to_qimage(array):
"""
Converts a numpy array (H, W, C) or (H, W) to a QImage
for high-quality scaling. Now with NaN/Inf protection.
"""
if array is None:
return QtGui.QImage()
# [v5 FIX] Handle NaN/Inf in display arrays
if not np.all(np.isfinite(array)):
array = np.nan_to_num(array, nan=0.0, posinf=1.0, neginf=0.0)
# Ensure array is in 0-1 float range first
if array.dtype != np.float32:
array = array / 255.0 if array.max() > 1.0 else array.astype(np.float32)
elif array.max() > 1.0 and array.min() >= 0.0:
# If it's float but > 1.0 (e.g. 0-255 float), normalize
array = array / 255.0
array = np.clip(array, 0, 1) * 255
array = array.astype(np.uint8)
# Make array contiguous in memory
array = np.ascontiguousarray(array)
if array.ndim == 2: # Grayscale
h, w = array.shape
qimage = QtGui.QImage(array.data, w, h, w, QtGui.QImage.Format.Format_Grayscale8)
elif array.ndim == 3 and array.shape[2] == 3: # RGB
h, w, c = array.shape
# Create QImage from 24-bit RGB data
qimage = QtGui.QImage(array.data, w, h, 3 * w, QtGui.QImage.Format.Format_RGB888)
elif array.ndim == 3 and array.shape[2] == 4: # RGBA
h, w, c = array.shape
# Create QImage from 32-bit RGBA data
qimage = QtGui.QImage(array.data, w, h, 4 * w, QtGui.QImage.Format.Format_RGBA8888)
else:
return QtGui.QImage() # Unsupported dimensions
# QImage is a view on the numpy array. We must make a copy
# or the array will be garbage-collected and QImage will crash.
return qimage.copy()
# --- END HELPER FUNCTION ---
# --- Global PyAudio Instance ---
try:
import pyaudio
PA_INSTANCE = pyaudio.PyAudio()
except ImportError:
# print("Warning: pyaudio not installed. Audio nodes will be non-functional.")
pyaudio = None
PA_INSTANCE = None
# ==================== BASE NODE SYSTEM ====================
class BaseNode:
"""Base class for all perception nodes"""
NODE_CATEGORY = "Base"
NODE_COLOR = QtGui.QColor(80, 80, 80)
def __init__(self):
self.inputs = {}
self.outputs = {}
self.input_data = {}
self.node_title = "Base Node"
# Store the module file path for saving/exporting
# This will be set by the loading system when the node is instantiated
self.node_file_path = None
def pre_step(self):
self.input_data = {name: [] for name in self.inputs}
def set_input(self, port_name, value, port_type='signal', coupling=1.0):
"""[v5 FIX] Added NaN protection in signal input processing"""
if port_name not in self.input_data:
return
if port_type == 'signal':
if isinstance(value, (np.ndarray, list)):
value = value[0] if len(value) > 0 else 0.0
# [v5 FIX] Protect against NaN/Inf in signals
try:
fval = float(value)
if not np.isfinite(fval):
fval = 0.0
except (ValueError, TypeError):
fval = 0.0
self.input_data[port_name].append(fval * coupling)
else:
if value is not None:
self.input_data[port_name].append(value)
def get_blended_input(self, port_name, blend_mode='sum'):
"""[v5 FIX] Added NaN protection in blending operations
[v9.1 FIX] Preserve complex arrays instead of destroying them"""
values = self.input_data.get(port_name, [])
if not values:
return None
if blend_mode == 'sum' and isinstance(values[0], (int, float)):
result = np.sum(values)
# [v5 FIX] Safety check
if not np.isfinite(result):
return 0.0
return result
elif blend_mode == 'mean' and isinstance(values[0], np.ndarray):
if len(values) > 0:
# [v9.1 FIX] Preserve complex arrays - don't cast to float!
valid_arrays = []
for v in values:
if v is not None and v.size > 0:
if np.iscomplexobj(v):
valid_arrays.append(v.astype(np.complex64))
else:
valid_arrays.append(v.astype(np.float32))
if not valid_arrays:
return None
result = np.mean(valid_arrays, axis=0)
# [v5 FIX] Clean up result (only for real arrays)
if not np.iscomplexobj(result) and not np.all(np.isfinite(result)):
result = np.nan_to_num(result, nan=0.0, posinf=1.0, neginf=0.0)
return result
return None
return values[0]
def step(self):
pass
def get_output(self, port_name):
return None
def get_display_image(self):
# Base implementation returns None.
# Subclasses can return a np.ndarray (float 0-1) or a QImage
return None
def close(self):
pass
def get_config_options(self):
return []
# --- V7 CUSTOM STATE METHODS ---
# Nodes that need to save large binary states (like W matrices) will implement these.
def save_custom_state(self, folder_path, node_id):
"""Called by the host to save custom state (e.g. .npy files)"""
return None # Return filename if successful
def load_custom_state(self, filepath):
"""Called by the host to load custom state from a file"""
pass
# ==================== NODE LOADING SYSTEM ====================
def load_nodes_from_folder(folder_path):
if not os.path.exists(folder_path):
print(f"Nodes folder not found, creating: {folder_path}")
try:
os.makedirs(folder_path)
except Exception as e:
print(f"Could not create nodes folder: {e}")
return {}
found_nodes = {}
# Inject BaseNode and PA_INSTANCE into the __main__ module for compatibility
main_module = sys.modules['__main__']
setattr(main_module, 'BaseNode', BaseNode)
setattr(main_module, 'PA_INSTANCE', PA_INSTANCE)
setattr(main_module, 'np', np) # Inject numpy for convenience in nodes
setattr(main_module, 'cv2', cv2) # Inject cv2 for convenience in nodes
setattr(main_module, 'os', os) # Inject os for convenience in nodes
for filename in os.listdir(folder_path):
if filename.endswith(".py") and filename != "__init__.py":
module_name = filename[:-3]
file_path = os.path.join(folder_path, filename)
try:
spec = importlib.util.spec_from_file_location(module_name, file_path)
module = importlib.util.module_from_spec(spec)
# V6 Compatibility: Ensure module can resolve __main__ imports
module.__dict__['__main__'] = main_module
sys.path.append(os.path.dirname(os.path.abspath(__file__)))
spec.loader.exec_module(module)
module_nodes = []
for name, cls in inspect.getmembers(module, inspect.isclass):
if issubclass(cls, BaseNode) and cls is not BaseNode:
node_key_name = cls.__name__
found_nodes[node_key_name] = {
"class": cls,
"module_name": module_name,
"category": cls.NODE_CATEGORY,
"file_path": file_path
}
# Set the file path on the class itself for access during instantiation
# This is the crucial part that ensures the path is known later.
setattr(cls, '_NODE_SOURCE_FILE', file_path)
module_nodes.append(name)
if module_nodes:
print(f" > Loaded: {', '.join(module_nodes)} from {filename}")
except Exception as e:
print(f"Error loading {filename}: {e}")
return found_nodes
print("Loading external nodes from './nodes' folder...")
NODE_TYPES = load_nodes_from_folder('nodes')
PORT_COLORS = {
'signal': QtGui.QColor(200, 200, 200),
'image': QtGui.QColor(100, 150, 255),
'spectrum': QtGui.QColor(255, 150, 100),
'complex_spectrum': QtGui.QColor(255, 100, 255),
}
# ==================== GRAPHICS ITEMS ====================
PORT_RADIUS = 7
NODE_W, NODE_H = 200, 180 # Increased default height for better text
class PortItem(QtWidgets.QGraphicsEllipseItem):
def __init__(self, parent, name, port_type, is_output=False):
super().__init__(-PORT_RADIUS, -PORT_RADIUS, PORT_RADIUS*2, PORT_RADIUS*2, parent)
self.name = name
self.port_type = port_type
self.is_output = is_output
self.base_color = PORT_COLORS.get(port_type, QtGui.QColor(255, 0, 0))
self.setBrush(QtGui.QBrush(self.base_color))
self.setZValue(3)
self.setAcceptHoverEvents(True)
def hoverEnterEvent(self, ev):
self.setBrush(QtGui.QBrush(QtGui.QColor(255, 200, 60)))
def hoverLeaveEvent(self, ev):
self.setBrush(QtGui.QBrush(self.base_color))
class EdgeItem(QtWidgets.QGraphicsPathItem):
def __init__(self, src_port, tgt_port=None):
super().__init__()
self.src = src_port
self.tgt = tgt_port
self.port_type = src_port.port_type
self.setZValue(1)
self.effect_val = 0.0
# [V6.1 FEATURE] Learned weight property
# The SystemOptimizer will write to this.
# Default is 1.0 (full connectivity).
self.learned_weight = 1.0
pen = QtGui.QPen(PORT_COLORS.get(self.port_type, QtGui.QColor(200,200,200)))
pen.setWidthF(2.0)
pen.setCapStyle(QtCore.Qt.PenCapStyle.RoundCap)
self.setPen(pen)
def update_path(self):
sp = self.src.scenePos()
tp = self.tgt.scenePos() if self.tgt else sp
path = QtGui.QPainterPath()
path.moveTo(sp)
dx = (tp.x() - sp.x()) * 0.5
c1 = QtCore.QPointF(sp.x() + dx, sp.y())
c2 = QtCore.QPointF(tp.x() - dx, tp.y())
path.cubicTo(c1, c2, tp)
self.setPath(path)
self.update_style()
def update_style(self):
"""[v5 FIX] Bulletproof NaN handling prevents UI crash from bad math"""
# Protect against NaN/Inf that would crash int() conversion
if not np.isfinite(self.effect_val):
self.effect_val = 0.0
val = np.clip(self.effect_val, 0.0, 1.0)
alpha = int(80 + val * 175) # Safe now - no NaN possible
w = 2.0 + val * 4.0
# [V6.1] Visual feedback for pruning
# If learned_weight is low, make the line transparent
# We combine signal activity (effect_val) with structural weight (learned_weight)
weight_alpha = int(255 * self.learned_weight)
final_alpha = min(alpha, weight_alpha)
color = PORT_COLORS.get(self.port_type, QtGui.QColor(200,200,200)).lighter(130)
color.setAlpha(final_alpha)
pen = QtGui.QPen(color)
pen.setWidthF(w)
self.setPen(pen)
class NodeItem(QtWidgets.QGraphicsItem):
def __init__(self, sim_node, w=NODE_W, h=NODE_H):
super().__init__()
self.setFlags(QtWidgets.QGraphicsItem.GraphicsItemFlag.ItemIsMovable |
QtWidgets.QGraphicsItem.GraphicsItemFlag.ItemIsSelectable |
QtWidgets.QGraphicsItem.GraphicsItemFlag.ItemSendsGeometryChanges)
self.sim = sim_node
self.in_ports = {}
self.out_ports = {}
self.min_w = NODE_W
self.min_h = NODE_H
self.rect = QtCore.QRectF(0, 0, w, h)
self.display_pix = None
# --- [V5.1 ENHANCEMENT] Resize and Button setup ---
self.resize_handle_size = 15
self.resize_handle = QtCore.QRectF(
self.rect.width() - self.resize_handle_size,
self.rect.height() - self.resize_handle_size,
self.resize_handle_size,
self.resize_handle_size
)
self.is_resizing = False
self.setAcceptHoverEvents(True)
self.random_btn_rect = None
self.zoom_in_rect = None
self.zoom_out_rect = None
if hasattr(self.sim, 'randomize'):
self.random_btn_rect = QtCore.QRectF(self.rect.width() - 18, 4, 14, 14)
if hasattr(self.sim, 'zoom_factor'):
self.zoom_in_rect = QtCore.QRectF(self.rect.width() - 38, 4, 14, 14)
self.zoom_out_rect = QtCore.QRectF(self.rect.width() - 18, 4, 14, 14)
# --- END V5.1 ENHANCEMENT ---
self.init_ports()
self.setZValue(2)
self.update_port_positions()
def init_ports(self):
y_in = 50
for name, ptype in self.sim.inputs.items():
self.in_ports[name] = PortItem(self, name, ptype, False)
self.in_ports[name].setPos(0, y_in)
y_in += 25
y_out = 50
for name, ptype in self.sim.outputs.items():
self.out_ports[name] = PortItem(self, name, ptype, True)
self.out_ports[name].setPos(self.rect.width(), y_out)
y_out += 25
def update_port_positions(self):
for name, port in self.out_ports.items():
port.setPos(self.rect.width(), port.y())
# --- [V5.1 ENHANCEMENT] Update button/handle positions ---
if self.random_btn_rect:
self.random_btn_rect.moveTopRight(self.rect.topRight() + QtCore.QPointF(-4, 4))
if self.zoom_in_rect and self.zoom_out_rect:
self.zoom_in_rect.moveTopRight(self.rect.topRight() + QtCore.QPointF(-24, 4))
self.zoom_out_rect.moveTopRight(self.rect.topRight() + QtCore.QPointF(-4, 4))
self.resize_handle.moveBottomRight(self.rect.bottomRight())
# --- END V5.1 ENHANCEMENT ---
if self.scene():
for edge in self.scene().edges:
if (edge.src.parentItem() == self) or (edge.tgt.parentItem() == self):
edge.update_path()
def hoverMoveEvent(self, ev):
if self.resize_handle.contains(ev.pos()):
self.setCursor(QtCore.Qt.CursorShape.SizeFDiagCursor)
else:
self.setCursor(QtCore.Qt.CursorShape.ArrowCursor)
super().hoverMoveEvent(ev)
def hoverLeaveEvent(self, ev):
self.setCursor(QtCore.Qt.CursorShape.ArrowCursor)
super().hoverLeaveEvent(ev)
def mousePressEvent(self, ev):
# --- [V5.1 ENHANCEMENT] Handle resizing via handle ---
if self.resize_handle.contains(ev.pos()) and ev.button() == QtCore.Qt.MouseButton.LeftButton:
self.is_resizing = True
self.resize_start_pos = ev.pos()
self.resize_start_rect = QtCore.QRectF(self.rect)
ev.accept()
return
# --- [V5.1 ENHANCEMENT] Handle R/Zoom buttons ---
if self.random_btn_rect and self.random_btn_rect.contains(ev.pos()):
if hasattr(self.sim, 'randomize'):
self.sim.randomize()
self.update_display()
ev.accept()
return
if self.zoom_in_rect and self.zoom_in_rect.contains(ev.pos()):
if hasattr(self.sim, 'zoom_factor'):
# Zoom In (Smaller factor)
self.sim.zoom_factor = max(0.1, self.sim.zoom_factor / 1.2)
self.update_display()
ev.accept()
return
if self.zoom_out_rect and self.zoom_out_rect.contains(ev.pos()):
if hasattr(self.sim, 'zoom_factor'):
# Zoom Out (Larger factor)
self.sim.zoom_factor = min(5.0, self.sim.zoom_factor * 1.2)
self.update_display()
ev.accept()
return
super().mousePressEvent(ev)
def mouseMoveEvent(self, ev):
# --- [V5.1 ENHANCEMENT] Handle resizing via handle ---
if self.is_resizing:
delta = ev.pos() - self.resize_start_pos
new_w = max(self.min_w, self.resize_start_rect.width() + delta.x())
new_h = max(self.min_h, self.resize_start_rect.height() + delta.y())
self.prepareGeometryChange()
self.rect.setWidth(new_w)
self.rect.setHeight(new_h)
self.update_port_positions()
# Allow nodes to track their own size
if hasattr(self.sim, 'w') and hasattr(self.sim, 'h'):
self.sim.w = int(new_w)
self.sim.h = int(new_h)
ev.accept()
return
super().mouseMoveEvent(ev)
def mouseReleaseEvent(self, ev):
if self.is_resizing:
self.is_resizing = False
self.setCursor(QtCore.Qt.CursorShape.ArrowCursor)
ev.accept()
return
super().mouseReleaseEvent(ev)
def boundingRect(self):
return self.rect.adjusted(-8, -8, 8, 8)
def paint(self, painter, option, widget):
painter.setRenderHint(QtGui.QPainter.RenderHint.Antialiasing)
painter.setRenderHint(QtGui.QPainter.RenderHint.TextAntialiasing) # Better text
base_color = self.sim.NODE_COLOR
if self.isSelected():
base_color = base_color.lighter(150)
painter.setBrush(QtGui.QBrush(base_color))
painter.setPen(QtGui.QPen(QtGui.QColor(60, 60, 60), 2))
painter.drawRoundedRect(self.rect, 10, 10)
# --- [V5.1 ENHANCEMENT] Better title/category rendering ---
title_rect = QtCore.QRectF(8, 6, self.rect.width() - 24, 22)
painter.setPen(QtGui.QColor(255, 255, 255))
font = QtGui.QFont("Segoe UI", 11, QtGui.QFont.Weight.Bold)
font.setHintingPreference(QtGui.QFont.HintingPreference.PreferFullHinting)
painter.setFont(font)
painter.drawText(title_rect, QtCore.Qt.AlignmentFlag.AlignLeft | QtCore.Qt.AlignmentFlag.AlignVCenter,
self.sim.node_title)
category_rect = QtCore.QRectF(8, 26, self.rect.width() - 16, 16)
painter.setPen(QtGui.QColor(200, 200, 200))
category_font = QtGui.QFont("Segoe UI", 8)
category_font.setHintingPreference(QtGui.QFont.HintingPreference.PreferFullHinting)
painter.setFont(category_font)
painter.drawText(category_rect, QtCore.Qt.AlignmentFlag.AlignLeft | QtCore.Qt.AlignmentFlag.AlignVCenter,
self.sim.NODE_CATEGORY)
# Better port labels
port_font = QtGui.QFont("Segoe UI", 8)
port_font.setHintingPreference(QtGui.QFont.HintingPreference.PreferFullHinting)
painter.setFont(port_font)
painter.setPen(QtGui.QColor(220, 220, 220))
for name, port in self.in_ports.items():
painter.drawText(port.pos() + QtCore.QPointF(12, 4), name)
for name, port in self.out_ports.items():
w_text = painter.fontMetrics().boundingRect(name).width()
painter.drawText(port.pos() + QtCore.QPointF(-w_text - 12, 4), name)
# --- END V5.1 ENHANCEMENT ---
if self.display_pix:
img_h = self.rect.height() - 60
img_w = self.rect.width() - 16
if img_h >= 10 and img_w >= 10:
target = QtCore.QRectF(8, 48, img_w, img_h)
scaled = self.display_pix.scaled(
int(img_w), int(img_h),
QtCore.Qt.AspectRatioMode.KeepAspectRatio,
QtCore.Qt.TransformationMode.SmoothTransformation
)
x = 8 + (img_w - scaled.width()) / 2
y = 48 + (img_h - scaled.height()) / 2
painter.drawPixmap(
QtCore.QRectF(x, y, scaled.width(), scaled.height()),
scaled,
QtCore.QRectF(scaled.rect())
)
# --- [V5.1 ENHANCEMENT] Draw R/Zoom buttons and resize handle ---
if self.random_btn_rect:
painter.setBrush(QtGui.QColor(255, 200, 60))
painter.setPen(QtGui.QColor(40, 40, 40))
painter.drawEllipse(self.random_btn_rect)
painter.setPen(QtGui.QColor(40, 40, 40))
painter.setFont(QtGui.QFont("Arial", 8, QtGui.QFont.Weight.Bold))
painter.drawText(self.random_btn_rect, QtCore.Qt.AlignmentFlag.AlignCenter, "R")
if self.zoom_in_rect and self.zoom_in_rect.contains(ev.pos()):
painter.setBrush(QtGui.QColor(60, 180, 255))
painter.setPen(QtGui.QColor(40, 40, 40))
painter.drawEllipse(self.zoom_in_rect)
painter.setFont(QtGui.QFont("Arial", 8, QtGui.QFont.Weight.Bold))
painter.drawText(self.zoom_in_rect, QtCore.Qt.AlignmentFlag.AlignCenter, "-") # Zoom in
painter.drawEllipse(self.zoom_out_rect)
painter.drawText(self.zoom_out_rect, QtCore.Qt.AlignmentFlag.AlignCenter, "+") # Zoom out
# Draw resize handle
p = self.rect.bottomRight()
painter.setPen(QtGui.QPen(QtGui.QColor(255, 255, 255, 80), 1))
painter.drawLine(int(p.x() - 12), int(p.y() - 4), int(p.x() - 4), int(p.y() - 12))
painter.drawLine(int(p.x() - 8), int(p.y() - 4), int(p.x() - 4), int(p.y() - 8))
# --- END V5.1 ENHANCEMENT ---
def update_display(self):
"""[v5 FIX] Now uses numpy_to_qimage which has NaN protection"""
data = self.sim.get_display_image()
if data is None:
self.display_pix = None
elif isinstance(data, QtGui.QImage):
self.display_pix = QtGui.QPixmap.fromImage(data)
elif isinstance(data, np.ndarray):
# Use the protected helper
self.display_pix = QtGui.QPixmap.fromImage(numpy_to_qimage(data))
else:
self.display_pix = None
self.update()
# ==================== CONFIG DIALOG ====================
class NodeConfigDialog(QtWidgets.QDialog):
def __init__(self, node_item, parent=None):
super().__init__(parent)
self.node_item = node_item
self.sim_node = node_item.sim
self.setWindowTitle(f"Configure: {self.sim_node.node_title}")
self.setMinimumWidth(400)
self.widgets_map = {}
layout = QtWidgets.QVBoxLayout(self)
scroll = QtWidgets.QScrollArea()
scroll.setWidgetResizable(True)
container = QtWidgets.QWidget()
form = QtWidgets.QFormLayout(container)
for item in self.sim_node.get_config_options():
label_text, attr_name, current_value, widget_type = item
if widget_type == 'file_open':
# --- [V5.1 ENHANCEMENT] File browser logic ---
h_layout = QtWidgets.QHBoxLayout()
line = QtWidgets.QLineEdit(str(current_value))
browse_btn = QtWidgets.QPushButton("Browse...")
# Connect the browse button to a helper function
browse_btn.clicked.connect(lambda _, k=attr_name, w=line: self.open_file_dialog(k, w))
h_layout.addWidget(line)
h_layout.addWidget(browse_btn)
widget = QtWidgets.QWidget()
widget.setLayout(h_layout)
form.addRow(label_text + ":", widget)
self.widgets_map[attr_name] = ('text', line, None)
# --- END V5.1 ENHANCEMENT ---
elif isinstance(widget_type, list):
combo = QtWidgets.QComboBox()
# V6 Compatibility: Handle tuple/list options (name, value) or simple values
for option in widget_type:
if isinstance(option, (list, tuple)) and len(option) == 2:
name, value = option
combo.addItem(str(name), userData=value)
else:
name = str(option)
value = option
combo.addItem(name, userData=value)
try:
# Try to find index by current value data
current_data_index = combo.findData(current_value)
if current_data_index != -1:
combo.setCurrentIndex(current_data_index)
else:
# If value wasn't explicitly defined in the list, add it if it's an ID/number
combo.addItem(f"Current ID ({current_value})", userData=current_value)
combo.setCurrentIndex(combo.count() - 1)
except ValueError:
pass
form.addRow(label_text + ":", combo)
self.widgets_map[attr_name] = ('combo', combo, widget_type)
elif widget_type == 'int':
spin = QtWidgets.QSpinBox()
spin.setRange(-999999, 999999)
spin.setValue(int(current_value))
form.addRow(label_text + ":", spin)
self.widgets_map[attr_name] = ('int', spin, None)
elif widget_type == 'float':
spin = QtWidgets.QDoubleSpinBox()
spin.setRange(-999999.0, 999999.0)
spin.setDecimals(4)
spin.setValue(float(current_value))
form.addRow(label_text + ":", spin)
self.widgets_map[attr_name] = ('float', spin, None)
elif widget_type == 'bool':
check = QtWidgets.QCheckBox()
check.setChecked(bool(current_value))
form.addRow(label_text + ":", check)
self.widgets_map[attr_name] = ('bool', check, None)
elif widget_type == 'text_multi':
text_edit = QtWidgets.QTextEdit()
text_edit.setPlainText(str(current_value))
text_edit.setMaximumHeight(100)
form.addRow(label_text + ":", text_edit)
self.widgets_map[attr_name] = ('text_multi', text_edit, None)
elif widget_type == 'text':
line = QtWidgets.QLineEdit(str(current_value))
form.addRow(label_text + ":", line)
self.widgets_map[attr_name] = ('text', line, None)
else:
line = QtWidgets.QLineEdit(str(current_value))
form.addRow(label_text + ":", line)
self.widgets_map[attr_name] = ('text', line, None)
scroll.setWidget(container)
layout.addWidget(scroll)
btn_box = QtWidgets.QDialogButtonBox(
QtWidgets.QDialogButtonBox.StandardButton.Ok |
QtWidgets.QDialogButtonBox.StandardButton.Cancel
)
btn_box.accepted.connect(self.accept)
btn_box.rejected.connect(self.reject)
layout.addWidget(btn_box)
# --- [V5.1 ENHANCEMENT] Helper method for file dialog ---
def open_file_dialog(self, key, line_edit_widget):
fileName, _ = QtWidgets.QFileDialog.getOpenFileName(
self, "Select File", "", "All Files (*)")
if fileName:
line_edit_widget.setText(fileName)
# Immediately update node's config and trigger potential reload
setattr(self.sim_node, key, fileName)
if hasattr(self.sim_node, '_load_image'):
self.sim_node._load_image()
if hasattr(self.sim_node, 'setup_source'):
self.sim_node.setup_source()
if hasattr(self.sim_node, 'update'):
self.sim_node.update()
# --- END V5.1 ENHANCEMENT ---
def get_config_dict(self):
config = {}
for attr_name, (w_type, widget, options) in self.widgets_map.items():
if w_type == 'combo':
# Grab the data stored in the combo box item
config[attr_name] = widget.currentData()
elif w_type == 'int':
config[attr_name] = widget.value()
elif w_type == 'float':
config[attr_name] = widget.value()
elif w_type == 'bool':
config[attr_name] = widget.isChecked()
elif w_type == 'text' or w_type == 'text_multi':
text = widget.text() if w_type == 'text' else widget.toPlainText()
try:
# Attempt to convert to int/float
fval = float(text)
if fval.is_integer():
config[attr_name] = int(fval)
else:
config[attr_name] = fval
except ValueError:
config[attr_name] = text
return config
# ==================== MAIN SCENE ====================
class PerceptionScene(QtWidgets.QGraphicsScene):
def __init__(self):
super().__init__()
self.setBackgroundBrush(QtGui.QColor(30, 30, 30))
self.nodes = []
self.edges = []
self.temp_edge = None
self.connection_start_port = None
def add_node(self, node_class, x=0, y=0, w=NODE_W, h=NODE_H):
sim_node = node_class()
# --- FIX: Set the file path on the instance ---
if hasattr(node_class, '_NODE_SOURCE_FILE'):
sim_node.node_file_path = node_class._NODE_SOURCE_FILE
# ---------------------------------------------
node_item = NodeItem(sim_node, w, h)
node_item.setPos(x, y)
self.addItem(node_item)
self.nodes.append(node_item)
node_item.update_display()
return node_item
def remove_node(self, node_item):
if node_item not in self.nodes:
return
for edge in list(self.edges):
if edge.src.parentItem() == node_item or edge.tgt.parentItem() == node_item:
self.removeItem(edge)
self.edges.remove(edge)
node_item.sim.close()
self.removeItem(node_item)
self.nodes.remove(node_item)
def remove_edge(self, edge):
"""Helper for deleting edges"""
if edge in self.edges:
self.removeItem(edge)
self.edges.remove(edge)
def delete_selected_edges(self):
selected_edges = [i for i in self.selectedItems() if isinstance(i, EdgeItem)]
for edge in selected_edges:
self.remove_edge(edge)
def mousePressEvent(self, ev):
"""
[v6 FIX]: The button/handle interaction logic is entirely handled by
NodeItem.mousePressEvent, preventing the crash when 'item' is None.
"""
if ev.button() != QtCore.Qt.MouseButton.LeftButton:
super().mousePressEvent(ev)
return
item = self.itemAt(ev.scenePos(), QtGui.QTransform())
if isinstance(item, PortItem):
if self.connection_start_port is None:
# First click - start connection from output port
if item.is_output:
self.connection_start_port = item
self.temp_edge = EdgeItem(item)
self.addItem(self.temp_edge)
# Create animated preview
self.temp_edge.setPen(QtGui.QPen(
QtGui.QColor(255, 200, 60), 3.0, QtCore.Qt.PenStyle.DashLine
))
ev.accept()
return
else:
# Second click - complete connection to input port
if not item.is_output and item.parentItem() != self.connection_start_port.parentItem():
# Valid connection: output -> input, different nodes
if self.connection_start_port.port_type == item.port_type:
# Create permanent edge
edge = EdgeItem(self.connection_start_port, item)
self.addItem(edge)
self.edges.append(edge)
edge.update_path()
# Clean up temp edge regardless
self.cancel_connection()
ev.accept()
return
else:
if self.connection_start_port is not None:
self.cancel_connection()
super().mousePressEvent(ev)
def mouseMoveEvent(self, ev):
"""[v5 ENHANCED] Animate preview wire during connection"""
if self.temp_edge and self.connection_start_port:
class TempTarget:
def __init__(self, pos): self._pos = pos
def scenePos(self): return self._pos
self.temp_edge.tgt = TempTarget(ev.scenePos())
self.temp_edge.update_path()
ev.accept()
return
super().mouseMoveEvent(ev)
def mouseReleaseEvent(self, ev):
super().mouseReleaseEvent(ev)
def cancel_connection(self):
"""[v5] Clean up connection state"""
if self.temp_edge:
self.removeItem(self.temp_edge)
self.temp_edge = None
self.connection_start_port = None
# ==================== MAIN WINDOW ====================
# Base interval in milliseconds for the fastest setting (100%)
BASE_TIMER_INTERVAL_MS = 30
class PerceptionLab(QtWidgets.QWidget):
def __init__(self):
super().__init__()
# Updated window title for V9
# Updated for V8/V9.1
self.setWindowTitle("Antti's Perception Laboratory v9.1 - Complex Array Fix 🔮")
self.resize(1400, 800)
self.scene = PerceptionScene()
self.view = QtWidgets.QGraphicsView(self.scene)
self.view.setRenderHint(QtGui.QPainter.RenderHint.Antialiasing)
self.view.setDragMode(QtWidgets.QGraphicsView.DragMode.RubberBandDrag)
self.NODE_CLASS_MAP = {name: info for name, info in NODE_TYPES.items()}
self.is_running = False
self.coupling_strength = 0.7
self.simulation_speed_factor = 1.0 # New property: 1.0 = normal (30ms), 0.1 = slow (300ms)
main_layout = QtWidgets.QVBoxLayout(self)
main_layout.setContentsMargins(0, 0, 0, 0)
main_layout.setSpacing(0)
# Top toolbar
toolbar = QtWidgets.QWidget()
toolbar.setStyleSheet("background: #2a2a2a; padding: 6px;")
toolbar_layout = QtWidgets.QHBoxLayout(toolbar)
toolbar_layout.setContentsMargins(8, 4, 8, 4)
# Add Node button with menu
self.btn_add = QtWidgets.QPushButton("➕ Add Node")
self.btn_add.setStyleSheet("padding: 6px 12px; font-weight: bold; background: #3a5a8a; color: white; border-radius: 5px;")
self.btn_add.clicked.connect(self.show_add_node_menu)
toolbar_layout.addWidget(self.btn_add)
toolbar_layout.addSpacing(10)
# Run/Stop button
self.btn_run = QtWidgets.QPushButton("▶ Start")
self.btn_run.setStyleSheet("padding: 6px 12px; font-weight: bold; background: #2a5a2a; color: white; border-radius: 5px;")
self.btn_run.clicked.connect(self.toggle_run)
toolbar_layout.addWidget(self.btn_run)
toolbar_layout.addSpacing(20)
# --- NEW: Speed Slider ---
toolbar_layout.addWidget(QtWidgets.QLabel("Speed:"))
self.speed_slider = QtWidgets.QSlider(QtCore.Qt.Orientation.Horizontal)
self.speed_slider.setRange(1, 100) # 1% (Slowest) to 100% (Fastest)
self.speed_slider.setValue(100)
self.speed_slider.setMaximumWidth(150)
self.speed_slider.valueChanged.connect(self.update_speed)
toolbar_layout.addWidget(self.speed_slider)
self.speed_label = QtWidgets.QLabel("100%")
self.speed_label.setMinimumWidth(40)
toolbar_layout.addWidget(self.speed_label)
toolbar_layout.addSpacing(20)
# --- END NEW: Speed Slider ---
# Coupling slider
toolbar_layout.addWidget(QtWidgets.QLabel("Coupling:"))
self.coupling_slider = QtWidgets.QSlider(QtCore.Qt.Orientation.Horizontal)
self.coupling_slider.setRange(0, 100)
self.coupling_slider.setValue(70)
self.coupling_slider.setMaximumWidth(150)
self.coupling_slider.valueChanged.connect(self.update_coupling)
toolbar_layout.addWidget(self.coupling_slider)
self.coupling_label = QtWidgets.QLabel("0.70")
self.coupling_label.setMinimumWidth(40)
toolbar_layout.addWidget(self.coupling_label)
toolbar_layout.addStretch()
# File operations
btn_clear = QtWidgets.QPushButton("🗑 Clear All")
btn_clear.setStyleSheet("padding: 6px 12px; background: #dc2626; color: white; border-radius: 5px;")
btn_clear.clicked.connect(self.clear_graph)
toolbar_layout.addWidget(btn_clear)
btn_save = QtWidgets.QPushButton("💾 Save")
btn_save.setStyleSheet("padding: 6px 12px; background: #2563eb; color: white; border-radius: 5px;")
self.btn_save = btn_save # Store reference for use in status update
self.btn_save.clicked.connect(self.save_graph)
toolbar_layout.addWidget(self.btn_save)
btn_load = QtWidgets.QPushButton("📁 Load")
btn_load.setStyleSheet("padding: 6px 12px; background: #7c3aed; color: white; border-radius: 5px;")
btn_load.clicked.connect(self.load_graph)
toolbar_layout.addWidget(btn_load)
main_layout.addWidget(toolbar)
main_layout.addWidget(self.view)
# Status bar
status_bar = QtWidgets.QWidget()
status_bar.setStyleSheet("background: #2a2a2a; padding: 4px;")
status_layout = QtWidgets.QHBoxLayout(status_bar)
status_layout.setContentsMargins(8, 2, 8, 2)
self.status = QtWidgets.QLabel("Ready - Add nodes to begin")
self.status.setStyleSheet("color: #aaa; font-size: 10px;")
status_layout.addWidget(self.status)
status_layout.addStretch()
# Updated version label for V9
version_label = QtWidgets.QLabel("v9.1 - Complex Array Fix 🔮")
version_label.setStyleSheet("color: #6495ed; font-size: 10px; font-weight: bold;")
status_layout.addWidget(version_label)
main_layout.addWidget(status_bar)
# Context menu
self.view.setContextMenuPolicy(QtCore.Qt.ContextMenuPolicy.CustomContextMenu)
self.view.customContextMenuRequested.connect(self.show_context_menu)
# Simulation timer
self.timer = QtCore.QTimer()
self.timer.timeout.connect(self.simulation_step)
def show_add_node_menu(self):
menu = QtWidgets.QMenu(self)
categories = {}
for name, info in self.NODE_CLASS_MAP.items():
cat = info.get('category', 'Uncategorized')
if cat not in categories:
categories[cat] = []
categories[cat].append((name, info))
for cat in sorted(categories.keys()):
submenu = menu.addMenu(cat)
for name, info in sorted(categories[cat], key=lambda x: x[0]):
action = submenu.addAction(name)
action.triggered.connect(lambda checked, n=name: self.add_node(n))
menu.exec(QtGui.QCursor.pos())
def add_node(self, class_name):
if class_name not in self.NODE_CLASS_MAP:
return
node_class = self.NODE_CLASS_MAP[class_name]['class']
center = self.view.mapToScene(self.view.viewport().rect().center())
# Check if node has w/h attributes to set initial size from config
temp_node_instance = node_class()
w = getattr(temp_node_instance, 'w', NODE_W) if hasattr(temp_node_instance, 'w') else NODE_W
h = getattr(temp_node_instance, 'h', NODE_H) if hasattr(temp_node_instance, 'h') else NODE_H
del temp_node_instance
node = self.scene.add_node(node_class, center.x() - w/2, center.y() - h/2, w=w, h=h)
if hasattr(node.sim, 'open_stream'):
node.sim.open_stream()
if hasattr(node.sim, 'setup_source'):
node.sim.setup_source()
self.status.setText(f"✓ Added {class_name}")
def show_context_menu(self, pos):
scene_pos = self.view.mapToScene(pos)
item = self.scene.itemAt(scene_pos, QtGui.QTransform())
selected_nodes = [i for i in self.scene.selectedItems() if isinstance(i, NodeItem)]
clicked_node_item = None
if isinstance(item, NodeItem):
clicked_node_item = item
elif isinstance(item, PortItem) and hasattr(item.parentItem(), 'sim'):
clicked_node_item = item.parentItem()
if clicked_node_item and clicked_node_item not in selected_nodes:
self.scene.clearSelection()
clicked_node_item.setSelected(True)
selected_nodes = [clicked_node_item]
menu = QtWidgets.QMenu(self)
if selected_nodes:
# Delete Action
delete_action = menu.addAction(f"🗑️ Delete Selected Node{'s' if len(selected_nodes) > 1 else ''} ({len(selected_nodes)})")
delete_action.triggered.connect(lambda: self.delete_selected_nodes())
if len(selected_nodes) == 1:
menu.addSeparator()
# Configure Action
config_act = menu.addAction("⚙️ Configure")
config_act.triggered.connect(lambda: self.configure_node(selected_nodes[0]))
else:
# Add Node menu
# Re-implementing the add node menu logic to be a submenu instead of recursive action
categories = {}
for name, info in self.NODE_CLASS_MAP.items():
cat = info.get('category', 'Uncategorized')
if cat not in categories:
categories[cat] = []
categories[cat].append((name, info['class']))
for cat in sorted(categories.keys()):
submenu = menu.addMenu(cat)
for name, cls in sorted(categories[cat], key=lambda x: x[0]):
action = submenu.addAction(name)
action.triggered.connect(lambda checked, nc=cls, sp=scene_pos: self.add_node_at_pos(nc, sp))
global_pos = self.view.mapToGlobal(pos)
menu.exec(global_pos)
def add_node_at_pos(self, node_class, scene_pos):
# Check if node has w/h attributes to set initial size from config
temp_node_instance = node_class()
w = getattr(temp_node_instance, 'w', NODE_W) if hasattr(temp_node_instance, 'w') else NODE_W
h = getattr(temp_node_instance, 'h', NODE_H) if hasattr(temp_node_instance, 'h') else NODE_H
del temp_node_instance
node = self.scene.add_node(node_class, scene_pos.x() - w/2, scene_pos.y() - h/2, w=w, h=h)
if hasattr(node.sim, 'open_stream'):
node.sim.open_stream()
if hasattr(node.sim, 'setup_source'):
node.sim.setup_source()
self.status.setText(f"✓ Added {node.sim.node_title}")
def delete_selected_nodes(self):
selected_nodes = [i for i in self.scene.selectedItems() if isinstance(i, NodeItem)]
for node in selected_nodes:
self.scene.remove_node(node)
self.status.setText("✓ Deleted selected nodes")
def keyPressEvent(self, event):
if event.key() == QtCore.Qt.Key.Key_Delete or event.key() == QtCore.Qt.Key.Key_Backspace:
self.delete_selected_nodes()
# Also delete selected edges
self.scene.delete_selected_edges()
return
super().keyPressEvent(event)
def configure_node(self, node_item):
dialog = NodeConfigDialog(node_item, self)
if dialog.exec():
config = dialog.get_config_dict()
for key, val in config.items():
setattr(node_item.sim, key, val)
# Re-run setup/open if configuration changes require it
if hasattr(node_item.sim, 'open_stream'):
node_item.sim.open_stream()
if hasattr(node_item.sim, 'setup_source'):
node_item.sim.setup_source()
node_item.update_display()
node_item.update_port_positions()
self.status.setText(f"✓ Configured {node_item.sim.node_title}")
def delete_edge(self, edge):
self.scene.removeItem(edge)
self.scene.edges.remove(edge)
self.status.setText("✓ Connection deleted")
def clear_edges(self):
for edge in list(self.scene.edges):
self.scene.removeItem(edge)
self.scene.edges.clear()
# --- NEW: Speed control logic ---
def update_speed(self, value):
# 100% (value=100) -> 1.0 factor -> 30ms interval
# 1% (value=1) -> 0.01 factor -> 3000ms interval
self.simulation_speed_factor = value / 100.0
self.speed_label.setText(f"{value}%")
if self.is_running:
# Recalculate and restart the timer with the new interval
self.restart_timer()
def restart_timer(self):
if self.is_running:
self.timer.stop()
# The interval is BASE_TIMER_INTERVAL_MS / self.simulation_speed_factor
# We enforce a minimum interval of 1ms
interval = max(1, int(BASE_TIMER_INTERVAL_MS / self.simulation_speed_factor))
self.timer.start(interval)
self.status.setText(f"▶ Running... | Interval: {interval}ms")
self.last_time = QtCore.QTime.currentTime()
self.frame_count = 0
# --- END NEW: Speed control logic ---
def update_coupling(self, value):
self.coupling_strength = value / 100.0
self.coupling_label.setText(f"{self.coupling_strength:.2f}")
def toggle_run(self):
self.is_running = not self.is_running
if self.is_running:
self.restart_timer()
self.btn_run.setText("⏸ Stop")
self.btn_run.setStyleSheet("padding: 6px 12px; font-weight: bold; background: #5a2a2a; color: white; border-radius: 5px;")
self.status.setText("▶ Simulation running...")
self.last_time = QtCore.QTime.currentTime()
self.frame_count = 0
else:
self.timer.stop()
self.btn_run.setText("▶ Start")
self.btn_run.setStyleSheet("padding: 6px 12px; font-weight: bold; background: #2a5a2a; color: white; border-radius: 5px;")
self.status.setText("⏸ Simulation paused")
def simulation_step(self):
"""[v5 FIX] Enhanced error handling and NaN protection throughout pipeline"""
# Step 1: Prepare all nodes
for node_item in self.scene.nodes:
node_item.sim.pre_step()
# Step 2: Transfer data through edges
for edge in self.scene.edges:
src_node = edge.src.parentItem().sim
tgt_node = edge.tgt.parentItem().sim
try:
output_val = src_node.get_output(edge.src.name)
# [v5 FIX] Robust effect calculation with NaN protection
edge.effect_val = 0.0
# [V6.1 FIX] Use the Learned Weight from the optimizer
# Defaults to 1.0 if no optimizer is running
learned_weight = getattr(edge, 'learned_weight', 1.0)
if output_val is not None:
tgt_node.set_input(
edge.tgt.name,
output_val,
edge.port_type,
self.coupling_strength * learned_weight # <--- The Logic Modification
)
# Calculate visual effect safely
if isinstance(output_val, (int, float)):
if np.isfinite(output_val):
edge.effect_val = abs(float(output_val))
elif isinstance(output_val, np.ndarray):
if output_val.size > 0:
mean_val = np.mean(np.abs(output_val))
if np.isfinite(mean_val):
edge.effect_val = float(mean_val)
# Set a base effect value for non-signal types
if edge.port_type in ['image', 'spectrum', 'complex_spectrum']:
edge.effect_val = max(edge.effect_val * 0.1, 0.5)
edge.update_path() # Calls update_style
except Exception as e:
# [v5 FIX] Non-fatal error handling
print(f"Warning: Edge transfer error ({edge.src.name} -> {edge.tgt.name}): {e}")
edge.effect_val = 0.0
edge.update_path()
# Step 3: Execute node logic
for node_item in self.scene.nodes:
try:
node_item.sim.step()
node_item.update_display()
except Exception as e:
# [v5 FIX] Keep simulation running even if one node fails
print(f"Error in {node_item.sim.node_title}: {e}")
# Optionally show error state in node
continue
# Step 4: Update FPS
if hasattr(self, 'frame_count'):
self.frame_count += 1
# Check if 30 frames have passed to calculate FPS
if self.frame_count % 30 == 0:
current_time = QtCore.QTime.currentTime()
elapsed = self.last_time.msecsTo(current_time) / 1000.0
if elapsed > 0:
fps = 30.0 / elapsed
# Get current interval for display
current_interval = self.timer.interval()
self.status.setText(f"▶ Running... | FPS: {fps:.1f} (I: {current_interval}ms)")
self.last_time = current_time
def clear_graph(self):
reply = QtWidgets.QMessageBox.question(
self,
"Clear Graph?",
"This will delete all nodes and connections. Continue?",
QtWidgets.QMessageBox.StandardButton.Yes | QtWidgets.QMessageBox.StandardButton.No,
QtWidgets.QMessageBox.StandardButton.No
)
if reply == QtWidgets.QMessageBox.StandardButton.Yes:
if self.is_running:
self.toggle_run()
self.clear_edges()
for node in list(self.scene.nodes):
self.scene.remove_node(node)
self.status.setText("✓ Graph cleared - Ready for new workflow")
def save_graph(self):
if self.is_running:
self.toggle_run()
# Temporarily disable the save button to prevent double-click issues
self.btn_save.setEnabled(False)
# --- NEW: Node Export Dialog ---
# Ask the user if they want to export node files
export_msg_box = QtWidgets.QMessageBox(self)
export_msg_box.setWindowTitle("Export Node Files?")
export_msg_box.setText("Do you want to export the source Python files for the nodes used in this workflow?")
export_msg_box.setInformativeText("This is recommended for sharing the workflow with others.")
btn_yes = export_msg_box.addButton("Yes, Export Nodes", QtWidgets.QMessageBox.ButtonRole.YesRole)
btn_no = export_msg_box.addButton("No, Just Save Graph", QtWidgets.QMessageBox.ButtonRole.NoRole)
export_msg_box.setIcon(QtWidgets.QMessageBox.Icon.Question)
export_msg_box.exec()
export_nodes = export_msg_box.clickedButton() == btn_yes
# --- END NEW: Node Export Dialog ---
fileName, _ = QtWidgets.QFileDialog.getSaveFileName(
self, "Save Graph", "", "JSON Files (*.json)")
if not fileName:
self.btn_save.setEnabled(True) # Re-enable if save is canceled
return
# 1. Prepare Data Folder for Heavy States (W-Matrices, etc.)
base_name = os.path.splitext(os.path.basename(fileName))[0]
save_dir = os.path.dirname(fileName)
data_folder = os.path.join(save_dir, f"{base_name}_data")
if not os.path.exists(data_folder):
os.makedirs(data_folder, exist_ok=True)
# --- NEW: Node Export Folder Logic ---
node_export_folder = None
if export_nodes:
# Create a dedicated 'nodes' subfolder next to the JSON
node_export_folder = os.path.join(save_dir, f"{base_name}_nodes")
if not os.path.exists(node_export_folder):
os.makedirs(node_export_folder, exist_ok=True)
exported_files = set()
for node_item in self.scene.nodes:
sim_node = node_item.sim
source_path = sim_node.node_file_path # This is now correctly set on the instance
if source_path and source_path not in exported_files:
try:
# Copy the Python file
shutil.copy2(source_path, node_export_folder)
exported_files.add(source_path)
except Exception as e:
print(f"Error copying node file {os.path.basename(source_path)}: {e}")
self.status.setText(f"❌ Partial Save: Failed to export node file: {os.path.basename(source_path)}")
# Continue trying to save the graph JSON regardless
if exported_files:
self.status.setText(f"✓ {len(exported_files)} node file(s) exported to {os.path.basename(node_export_folder)}")
else:
if export_nodes: # Only print this warning if the user requested the export
print("Warning: No external node files were found to export.")
# --- END NEW: Node Export Folder Logic ---
graph_data = {
"global_settings": {
"coupling": self.coupling_slider.value(),
# --- NEW: Save Speed Setting ---
"speed": self.speed_slider.value()
# --- END NEW: Save Speed Setting ---
},
"nodes": [],
"edges": []
}
node_to_id = {}
for i, node_item in enumerate(self.scene.nodes):
sim_node = node_item.sim
node_id = i
node_to_id[node_item] = node_id
# --- NEW: Handle Custom Binary State (The Freeze State) ---
saved_state_filename = None
if hasattr(sim_node, 'save_custom_state') and callable(sim_node.save_custom_state):
# The node is responsible for saving its heavy data to the folder
# It returns the filename used, which we store in the JSON
saved_state_filename = sim_node.save_custom_state(data_folder, node_id)
config_data = {}
# NOTE: We are intentionally NOT saving node_file_path or _NODE_SOURCE_FILE
# in the config, as the host needs to load from its local 'nodes' folder
# or the user needs to put the exported nodes there.
for key, value in sim_node.__dict__.items():
# Skip heavy arrays in config, they should be handled by custom state
# Also skip the internal node_file_path we just added
# Skip private tracking variables (_last_*, _prev_*) as they cause reload issues
if key == 'node_file_path':
continue
if key.startswith('_last_') or key.startswith('_prev_'):
continue
if isinstance(value, (int, float, str, bool)):
config_data[key] = value
elif isinstance(value, (list, dict)):
try:
json.dumps(value)
config_data[key] = value
except TypeError:
pass
graph_data["nodes"].append({
"id": node_id,
"class_name": sim_node.__class__.__name__,
"pos_x": node_item.pos().x(),
"pos_y": node_item.pos().y(),
"width": node_item.rect.width(),
"height": node_item.rect.height(),
"config": config_data,
"custom_state_file": saved_state_filename # <--- Link JSON to NPY
})
for edge in self.scene.edges:
src_node_item = edge.src.parentItem()
tgt_node_item = edge.tgt.parentItem()
if src_node_item in node_to_id and tgt_node_item in node_to_id:
graph_data["edges"].append({
"from_node_id": node_to_id[src_node_item],
"from_port": edge.src.name,
"to_node_id": node_to_id[tgt_node_item],
"to_port": edge.tgt.name,
"learned_weight": getattr(edge, 'learned_weight', 1.0)
})
try:
with open(fileName, 'w') as f:
json.dump(graph_data, f, indent=2)
# Update status after JSON save and optional node export
status_text = f"✓ Graph & States saved to {os.path.basename(fileName)}"
if export_nodes:
status_text += f" | Nodes exported to {os.path.basename(node_export_folder)}"
self.status.setText(status_text)
except Exception as e:
self.status.setText(f"❌ Error saving graph: {e}")
print(f"Error saving graph: {e}")
self.btn_save.setEnabled(True) # Re-enable button after successful save/failure
def load_graph(self):
fileName, _ = QtWidgets.QFileDialog.getOpenFileName(
self, "Load Graph", "", "JSON Files (*.json)")
if not fileName:
return
try:
with open(fileName, 'r') as f:
graph_data = json.load(f)
except Exception as e:
self.status.setText(f"❌ Error loading file: {e}")
return
# Prepare Data Folder path
base_name = os.path.splitext(os.path.basename(fileName))[0]
data_folder = os.path.join(os.path.dirname(fileName), f"{base_name}_data")
self.clear_edges()
for node in list(self.scene.nodes):
self.scene.remove_node(node)
id_to_node_item = {}
for node_data in graph_data.get("nodes", []):
class_name = node_data["class_name"]
node_info = self.NODE_CLASS_MAP.get(class_name)
if node_info:
node_class = node_info["class"]
pos_x = node_data.get("pos_x", 0)
pos_y = node_data.get("pos_y", 0)
width = node_data.get("width", NODE_W)
height = node_data.get("height", NODE_H)
config = node_data.get("config", {})
custom_state_file = node_data.get("custom_state_file", None)
node_item = self.scene.add_node(node_class, x=pos_x, y=pos_y, w=width, h=height)
# 1. Apply Config - use set_config_options if available for proper initialization
if hasattr(node_item.sim, 'set_config_options') and callable(node_item.sim.set_config_options):
# Let the node handle config with proper initialization logic
node_item.sim.set_config_options(config)
# Also set any remaining attributes that might not be in get_config_options
for key, value in config.items():
# Skip private tracking variables (they cause file reload issues)
if key.startswith('_last_') or key.startswith('_prev_'):
continue
if hasattr(node_item.sim, key):
current_val = getattr(node_item.sim, key, None)
# Only set if value differs (set_config_options may have already handled it)
if current_val != value:
setattr(node_item.sim, key, value)
else:
# Fallback: direct attribute setting for simple nodes
for key, value in config.items():
# Skip private tracking variables (they cause file reload issues)
if key.startswith('_last_') or key.startswith('_prev_'):
continue
if hasattr(node_item.sim, key):
setattr(node_item.sim, key, value)
# 2. Apply Custom Heavy State (Matrices)
if custom_state_file and hasattr(node_item.sim, 'load_custom_state') and callable(node_item.sim.load_custom_state):
full_path = os.path.join(data_folder, custom_state_file)
if os.path.exists(full_path):
node_item.sim.load_custom_state(full_path)
# print(f"Loaded state for {class_name}") # Keeping print statement for debug
else:
print(f"Warning: Custom state file not found for {class_name}: {full_path}")
if hasattr(node_item.sim, 'open_stream'):
node_item.sim.open_stream()
if hasattr(node_item.sim, 'setup_source'):
node_item.sim.setup_source()
node_item.update()
node_item.update_port_positions()
id_to_node_item[node_data["id"]] = node_item
else:
print(f"Warning: Node class '{class_name}' not found. Skipping. Please ensure '{class_name}.py' is in your 'nodes' folder or the saved node folder.") # Enhanced warning
# NOTE: The host must be restarted to load any newly added node files.
# This is a limitation of Python's import system after the app has started.
for edge_data in graph_data.get("edges", []):
try:
src_node_item = id_to_node_item[edge_data["from_node_id"]]
tgt_node_item = id_to_node_item[edge_data["to_node_id"]]
src_port = src_node_item.out_ports[edge_data["from_port"]]
tgt_port = tgt_node_item.in_ports[edge_data["to_port"]]
edge = EdgeItem(src_port, tgt_port)
# Restore learned weights if present
if "learned_weight" in edge_data:
edge.learned_weight = edge_data["learned_weight"]
self.scene.addItem(edge)
self.scene.edges.append(edge)
edge.update_path()
except Exception as e:
print(f"Error loading edge: {e}")
settings = graph_data.get("global_settings", {})
# Restore settings
self.coupling_slider.setValue(settings.get("coupling", 70))
# --- NEW: Restore Speed Setting ---
self.speed_slider.setValue(settings.get("speed", 100))
# --- END NEW: Restore Speed Setting ---
self.status.setText(f"✓ Graph loaded from {os.path.basename(fileName)}")
def closeEvent(self, event):
self.timer.stop()
for node in self.scene.nodes:
node.sim.close()
if PA_INSTANCE:
try:
PA_INSTANCE.terminate()
except Exception as e:
print(f"Error terminating PyAudio: {e}")
super().closeEvent(event)
# ==================== APPLICATION ENTRY ====================
def main():
app = QtWidgets.QApplication(sys.argv)
app.setStyle('Fusion')
palette = QtGui.QPalette()
palette.setColor(QtGui.QPalette.ColorRole.Window, QtGui.QColor(30, 30, 30))
palette.setColor(QtGui.QPalette.ColorRole.WindowText, QtGui.QColor(220, 220, 220))
palette.setColor(QtGui.QPalette.ColorRole.Base, QtGui.QColor(25, 25, 25))
palette.setColor(QtGui.QPalette.ColorRole.AlternateBase, QtGui.QColor(45, 45, 45))
palette.setColor(QtGui.QPalette.ColorRole.ToolTipBase, QtGui.QColor(220, 220, 220))
palette.setColor(QtGui.QPalette.ColorRole.ToolTipText, QtGui.QColor(220, 220, 220))
palette.setColor(QtGui.QPalette.ColorRole.Text, QtGui.QColor(220, 220, 220))
palette.setColor(QtGui.QPalette.ColorRole.Button, QtGui.QColor(45, 45, 45))
palette.setColor(QtGui.QPalette.ColorRole.ButtonText, QtGui.QColor(220, 220, 220))
palette.setColor(QtGui.QPalette.ColorRole.BrightText, QtGui.QColor(255, 80, 80))
palette.setColor(QtGui.QPalette.ColorRole.Link, QtGui.QColor(100, 150, 255))
palette.setColor(QtGui.QPalette.ColorRole.Highlight, QtGui.QColor(100, 150, 255))
palette.setColor(QtGui.QPalette.ColorRole.HighlightedText, QtGui.QColor(20, 20, 20))
app.setPalette(palette)
app.setStyleSheet("""
QWidget {
font-family: 'Segoe UI', Arial, sans-serif;
}
QPushButton {
background: #4a4a4a;
border: 1px solid #555;
color: #ddd;
border-radius: 4px;
}
QPushButton:hover {
background: #5a5a5a;
}
QPushButton:pressed {
background: #3a3a3a;
}
QMenu {
background: #2a2a2a;
border: 1px solid #444;
font-size: 11px;
}
QMenu::item {
padding: 6px 20px;
}
QMenu::item:selected {
background: #3a5a8a;
}
QSlider::groove:horizontal {
height: 4px;
background: #3a3a3a;
border-radius: 2px;
}
QSlider::handle:horizontal {
background: #6495ed;
width: 14px;
margin: -5px 0;
border-radius: 7px;
}
QSlider::handle:horizontal:hover {
background: #7ab5ff;
}
QLineEdit, QComboBox {
background: #3a3a3a;
border: 1px solid #555;
padding: 4px;
color: #ddd;
border-radius: 4px;
font-size: 11px;
}
QTextEdit {
background: #3a3a3a;
border: 1px solid #555;
padding: 4px;
color: #ddd;
border-radius: 4px;
font-size: 11px;
}
""")
window = PerceptionLab()
window.show()
sys.exit(app.exec())
if __name__ == "__main__":
main() |