390 lines
No EOL
14 KiB
Python
390 lines
No EOL
14 KiB
Python
"""
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This visual DEVS plotter is based on Bill Song's DEVS Visual Modeling and Simulation Environment,
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however, it has been ported to the PythonPDEVS logic.
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See Also:
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`http://msdl.uantwerpen.be/people/bill/devsenv/summerpresentation.pdf`_
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"""
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import tkinter as tk
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from tkinter import ttk
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from tkinter import filedialog as fd
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import matplotlib.pyplot as plt
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from matplotlib.patches import FancyArrowPatch, ArrowStyle
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import matplotlib.animation as animation
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from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
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import numpy as np
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import pandas as pd
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import dataclasses
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import xml.etree.ElementTree as ET
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def is_float(val):
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try:
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float(val)
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except ValueError:
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return False
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else:
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return True
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class Window:
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def __init__(self):
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self.root = tk.Tk()
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# self.filename = fd.askopenfilename(parent=self.root, title="Open an XML trace file",
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# initialdir=r"C:\Users\randy\AppData\Roaming\JetBrains\PyCharm2023.3\scratches",
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# filetypes=[("XML files", "*.xml")])
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# if not self.filename:
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# self.root.quit()
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self.filename = r"C:\Users\randy\AppData\Roaming\JetBrains\PyCharm2023.3\scratches\test.xml"
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self.time = 0.0
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self.active_model = ""
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self.active_state = ""
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# load in the model
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self.trace_state = pd.DataFrame(columns=['time', 'model', 'kind', 'path', 'value'])
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self.parse_trace_file()
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self.make_gui()
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self._build_tree(pd.unique(self.trace_state["model"]), self.mtree)
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self.update()
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self.root.mainloop()
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def make_gui(self):
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self.root.title("DEVS XML Plotting Environment - %s" % self.filename)
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self.frame = ttk.Frame(self.root, padding=10)
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self.frame.pack(fill=tk.BOTH, expand=True)
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self.toolbar = ttk.Frame(self.frame)
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self.toolbar.pack(side=tk.TOP, fill=tk.X)
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self.container = ttk.Frame(self.frame)
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self.container.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
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self.trees = ttk.Frame(self.container)
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self.trees.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
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self.button_first = ttk.Button(self.toolbar, text="<<", command=self.to_first)
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self.button_first.pack(side=tk.LEFT)
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self.button_prev = ttk.Button(self.toolbar, text="<", command=self.to_prev)
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self.button_prev.pack(side=tk.LEFT)
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self.button_next = ttk.Button(self.toolbar, text=">", command=self.to_next)
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self.button_next.pack(side=tk.LEFT)
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self.button_last = ttk.Button(self.toolbar, text=">>", command=self.to_last)
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self.button_last.pack(side=tk.LEFT)
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# sep = ttk.Separator(self.toolbar)
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# sep.pack(side=tk.LEFT)
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lbl_window = ttk.Label(self.toolbar, text=" Window Size: ")
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lbl_window.pack(side=tk.LEFT)
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self.window_size = ttk.Spinbox(self.toolbar, from_=0, to=50)
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self.window_size.set(10)
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self.window_size.pack(side=tk.LEFT)
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self.mtree = ttk.Treeview(self.trees, selectmode="browse", columns=["path"], displaycolumns=[])
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self.mtree.heading('#0', text="Select a Model:", anchor=tk.W)
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self.mtree.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
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self.mtree.bind("<<TreeviewSelect>>", self.select_in_mtree)
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self.stree = ttk.Treeview(self.trees, selectmode="browse", columns=["path"], displaycolumns=[])
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self.stree.heading('#0', text="Plottable Attributes:", anchor=tk.W)
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self.stree.pack(side=tk.BOTTOM, fill=tk.BOTH, expand=True)
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self.stree.pack_forget()
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self.stree.bind("<<TreeviewSelect>>", self.select_in_stree)
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self.figure = plt.figure(dpi=100)
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self.figure.tight_layout()
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self.axis = self.figure.add_subplot(111)
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self.axis.set_xlabel("time")
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self.axis.set_ylim((0, 1))
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self.canvas = FigureCanvasTkAgg(self.figure, master=self.container)
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self.canvas.draw()
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self.canvas.get_tk_widget().pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
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self.__cursor, = self.axis.plot([0, 0], [0, 0], '--', c='b', alpha=0.7)
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self.__line, = self.axis.plot([], [], '-o', c='g', mec='r', fillstyle='none')
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self.__idots, = self.axis.plot([], [], 'o', c='g')
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self.__edots, = self.axis.plot([], [], 'o', c='r')
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self.__arrows = []
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self.__ani = animation.FuncAnimation(self.figure, lambda _: self.update(), interval=100)
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self.output = tk.Text(self.frame, height=7)
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self.output.pack(side=tk.BOTTOM, fill=tk.X, expand=True)
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self.output.pack_forget()
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def to_first(self):
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if self.active_model != "" and self.active_state != "":
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self.time = 0.0
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def to_prev(self):
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if self.active_model != "" and self.active_state != "":
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event_list = self.trace_state[(self.trace_state["model"] == self.active_model) &
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(self.trace_state["path"] == self.active_state)]
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earlier = event_list[event_list["time"] < self.time]
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if len(earlier) > 0:
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self.time = earlier.iloc[-1]["time"]
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def to_next(self):
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if self.active_model != "" and self.active_state != "":
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event_list = self.trace_state[(self.trace_state["model"] == self.active_model) &
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(self.trace_state["path"] == self.active_state)]
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later = event_list[event_list["time"] > self.time]
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if len(later) > 0:
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self.time = later.iloc[0]["time"]
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def to_last(self):
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if self.active_model != "" and self.active_state != "":
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event_list = self.trace_state[(self.trace_state["model"] == self.active_model) &
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(self.trace_state["path"] == self.active_state)]
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if len(event_list) > 0:
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self.time = event_list.iloc[-1]["time"]
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def get_window(self):
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return int(self.window_size.get())
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def _flatten_dict(self, data):
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res = {}
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for k, v in data.items():
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if isinstance(v, dict):
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dct = self._flatten_dict(v)
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for kk, vv in dct.items():
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res[k + "." + kk] = vv
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else:
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res[k] = v
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return res
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def parse_trace_file(self):
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tree = ET.parse(self.filename)
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root = tree.getroot()
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for item in root.findall('event'):
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model = item.find("model").text
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attrs = self._flatten_dict(self._parse_attributes(item.find("state")))
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time = float(item.find("time").text)
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kind = item.find("kind").text
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rows = []
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for key, v in attrs.items():
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rows.append([time, model, kind, key, v])
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self.trace_state = pd.concat([self.trace_state, pd.DataFrame(rows, columns=self.trace_state.columns)],
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ignore_index=True)
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self.trace_state = self.trace_state.sort_values(by="time")
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def _parse_attributes(self, node):
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res = {}
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for attr in node.findall('attribute'):
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name = attr.find("name").text
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valueN = attr.find("value")
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typ = attr.find("type").text
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if len(valueN.findall("attribute")) > 0:
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res[name] = self._parse_attributes(valueN)
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else:
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if attr.attrib["category"] == "P":
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if typ == "Integer":
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res[name] = int(valueN.text)
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elif typ == "Float":
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res[name] = float(valueN.text)
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elif typ == "Boolean":
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res[name] = valueN.text == "True"
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else: # String
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res[name] = valueN.text
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else:
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res[name] = valueN.text
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return res
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def _build_tree(self, paths, tree):
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ix = 0
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tree_ids = {}
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for model in paths:
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lst = model.split(".")
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for mix in range(len(lst)):
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parent = ".".join(lst[:mix])
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path = ".".join(lst[:mix + 1])
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if path not in tree_ids:
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tree.insert(tree_ids.get(parent, ''), tk.END, ix, text=lst[mix], open=True, values=[path])
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tree_ids[path] = ix
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ix += 1
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def update(self):
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if self.active_model != "" and self.active_state != "":
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self.create_plot_for_active_model_state()
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self.output.pack(side=tk.BOTTOM, fill=tk.BOTH, expand=True)
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self.output.delete("1.0", tk.END)
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event_list = self.trace_state[(self.trace_state["model"] == self.active_model) &
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(self.trace_state["path"] == self.active_state) &
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(self.trace_state["time"] == self.time)]
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next_evts = self.trace_state[(self.trace_state["model"] == self.active_model) &
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(self.trace_state["path"] == self.active_state) &
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(self.trace_state["time"] > self.time)]
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if len(next_evts) > 0:
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next_time = next_evts.iloc[0]["time"]
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else:
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next_time = "N/A"
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for eidx, event in event_list.iterrows():
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self.output.insert(tk.END, "TIME: %.4f\nSTATE: %s\n" % (self.time, str(event["value"])))
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if event["kind"] == "IN":
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self.output.insert(tk.END, 'Internal Transition:\n')
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# self.output.insert(tk.END, " Port: %s\n" % )
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self.output.insert(tk.END, " Time Next: %s" % next_time)
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elif event["kind"] == "EX":
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self.output.insert(tk.END, 'External Transition')
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else:
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self.output.insert(tk.END, 'Undefined Transition')
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# tam = self.trace[self.active_model]
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# for ix, ev in enumerate(tam):
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# if ev["time"] == self.time:
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# state = ev["state"]
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# for p in self.active_state.split("."):
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# state = state[p]
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# self.output.insert(tk.END, "TIME: %.4f\nSTATE: %s\n" % (self.time, str(state)))
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# if ev["kind"] == "IN":
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# self.output.insert(tk.END, 'Internal Transition:\n Port: %s\n Output: %s\n Time Next: %.4f' %
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# (ev["port"]["name"], ev["port"]["message"], tam[ix + 1]["time"] if ix + 1 < len(tam) else "N/A"))
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# elif ev["kind"] == "EX":
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# if "port" in ev:
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# self.output.insert(tk.END,
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# 'External Transition:\n Port: %s\n Input: %s\n Time Next: %.4f' %
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# (ev["port"]["name"], ev["port"]["message"],
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# tam[ix + 1]["time"] if ix + 1 < len(tam) else "N/A"))
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# else:
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# self.output.insert(tk.END, 'External Transition')
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# else:
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# self.output.insert(tk.END, 'Undefined Transition')
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# break
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else:
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self.clear_plot()
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def select_in_mtree(self, event):
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self.clear_plot()
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tree = event.widget
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selection = [tree.item(item)["values"][0] for item in tree.selection() if len(tree.get_children(item)) == 0]
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if len(selection) == 1:
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self.active_model = selection[0]
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self.stree.pack(side=tk.BOTTOM, fill=tk.BOTH, expand=True)
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if len(self.stree.get_children()) > 0:
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self.stree.delete(self.stree.get_children())
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self._build_tree(pd.unique(self.trace_state[self.trace_state["model"] == self.active_model]["path"]),
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self.stree)
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else:
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self.active_model = ""
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self.stree.pack_forget()
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self.active_state = ""
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def select_in_stree(self, event):
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tree = event.widget
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selection = [tree.item(item)["values"][0] for item in tree.selection() if len(tree.get_children(item)) == 0]
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if len(selection) == 1:
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self.clear_plot()
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self.active_state = selection[0]
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def create_arrow(self, x, y, dx, dy):
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if dy < 0:
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style = "angle,angleA=45,angleB=-45,rad=15"
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elif dy > 0:
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style = "angle,angleA=-45,angleB=45,rad=15"
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else:
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style = "arc,angleA=135,angleB=45,armA=20,armB=20,rad=15"
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return FancyArrowPatch((x, y), (x + dx, y + dy),
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connectionstyle=style,
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shrinkA=1, shrinkB=1, zorder=10, color='black',
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arrowstyle=ArrowStyle.CurveFilledB(head_width=3, head_length=5))
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def clear_plot(self):
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self.__line.set_data([], [])
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self.__idots.set_data([], [])
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self.__edots.set_data([], [])
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for a in self.__arrows:
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a.remove()
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self.__arrows.clear()
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self.axis.set_title("")
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self.axis.set_xlim((0, 1))
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self.axis.set_ylim((-0.5, 0.5))
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self.axis.set_yticks([])
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self.axis.set_yticklabels([])
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def create_plot_for_active_model_state(self):
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self.axis.set_title("%s: %s" % (self.active_model, self.active_state))
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event_list = self.trace_state[(self.trace_state["model"] == self.active_model) &
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(self.trace_state["path"] == self.active_state)]
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mid = self.time
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ws = self.get_window()
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lower = max(mid - ws / 2, 0.0)
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upper = lower + ws
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event_list_lowest = lower
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event_list_lower = event_list[event_list["time"] < lower]
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if len(event_list_lower) > 0:
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event_list_lowest = event_list_lower.iloc[-1]["time"]
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event_list_highest = upper
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event_list_upper = event_list[event_list["time"] > upper]
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if len(event_list_upper) > 0:
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event_list_highest = event_list_upper.iloc[0]["time"]
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event_list = event_list[event_list["time"].between(event_list_lowest, event_list_highest)]
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times = event_list["time"]
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lower = max(times.min(), lower)
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upper = min(times.max(), upper)
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in_times = event_list[event_list["kind"] == "IN"]["time"].to_numpy()
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in_evts = event_list[event_list["kind"] == "IN"]["value"].to_numpy()
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out_times = event_list[event_list["kind"] == "EX"]["time"].to_numpy()
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out_evts = event_list[event_list["kind"] == "EX"]["value"].to_numpy()
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ts = times.repeat(3).iloc[2:-2].to_numpy()
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vs = event_list["value"].iloc[:-1].repeat(2).to_numpy()
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vs = np.insert(vs, [x for x in range(2, len(vs), 2)], np.nan)
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times = times.to_numpy()
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state_sets = np.sort(event_list["value"].unique(), kind='mergesort')
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min_ = np.nanmin(vs)
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max_ = np.nanmax(vs)
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if len(times) < 20:
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self.axis.set_xticks(times)
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else:
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self.axis.set_xticks([times.min(), times.max()])
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if len(state_sets) < 20:
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if np.all(np.vectorize(is_float, otypes=[bool])(state_sets)):
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self.axis.set_yticks(state_sets)
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self.axis.set_yticklabels(state_sets)
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else:
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self.axis.set_yticks(range(len(state_sets)))
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self.axis.set_yticklabels(state_sets)
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else:
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self.axis.set_yticks([min_, max_])
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self.axis.set_yticklabels([min_, max_])
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self.axis.set_xlim((lower, upper))
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self.axis.set_ylim((min_ - 0.5, max_ + 0.5))
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self.__cursor.set_data([mid, mid], [min_ - 0.5, max_ + 0.5])
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self.__line.set_data(ts, vs)
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self.__idots.set_data(in_times, in_evts)
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self.__edots.set_data(out_times, out_evts)
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for i in range(len(ts) // 3):
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ix = i * 3 + 1
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iy = (i + 1) * 3
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if i >= len(self.__arrows):
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arrow = self.create_arrow(ts[ix], vs[ix], 0, vs[iy] - vs[ix])
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self.__arrows.append(arrow)
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self.axis.add_patch(arrow)
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else:
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self.__arrows[i].set_positions((ts[ix], vs[ix]), (ts[iy], vs[iy]))
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while len(self.__arrows) > (len(ts) // 3):
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self.__arrows.pop().remove()
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if __name__ == '__main__':
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Window() |