Unialized tracers + added a visualizer for XML traces
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rparedis
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325880f46e
commit
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7 changed files with 457 additions and 31 deletions
286
src/XMLplotter.py
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286
src/XMLplotter.py
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"""
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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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import matplotlib.animation as animation
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from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
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import xml.etree.ElementTree as ET
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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="/", filetypes=[("XML files", "*.xml")])
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if not self.filename:
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self.root.quit()
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self.root.title("DEVS 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.time = 0.0
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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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# load in the model
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self.trace = {}
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self.parse_trace_file()
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self._build_model_mtree()
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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([], [], c='r')
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self.__dots, = self.axis.plot([], [], 'o', c='g')
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self.__ani = animation.FuncAnimation(self.figure, lambda _: self.update(), interval=100)
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self.active_model = ""
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self.active_state = ""
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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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self.root.mainloop()
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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
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def to_prev(self):
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if self.active_model != "" and self.active_state != "":
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for ev in reversed(self.trace[self.active_model]):
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if ev["time"] < self.time:
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self.time = ev["time"]
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break
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def to_next(self):
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if self.active_model != "" and self.active_state != "":
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for ev in self.trace[self.active_model]:
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if ev["time"] > self.time:
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self.time = ev["time"]
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break
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def to_last(self):
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if self.active_model != "" and self.active_state != "":
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self.time = self.trace[self.active_model][-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 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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data = {}
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data["time"] = float(item.find("time").text)
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data["kind"] = item.find("kind").text
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data["state"] = self._parse_attributes(item.find("state"))
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if data["kind"] == "IN":
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port = item.find("port")
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data["port"] = {
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"name": port.get("name"),
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"category": port.get("category"), # I or O (in or out)
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"message": port.find("message").text
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}
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self.trace.setdefault(model, []).append(data)
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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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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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res[name] = valueN.text
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return res
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def _build_model_mtree(self):
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ix = 0
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tree_ids = {}
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for model in self.trace:
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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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self.mtree.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 _build_model_stree(self, model):
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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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event_list = self.trace[model]
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state = {}
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for evt in event_list:
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state.update(evt["state"])
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self._build_stree(state)
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def _build_stree(self, state, pid='', parent=""):
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uid = pid
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if pid == '':
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uid = 0
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uid += 1
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for s, v in state.items():
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path = s
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if parent != "":
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path = parent + "." + path
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self.stree.insert(pid, tk.END, uid, text=s, open=True, values=[path])
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if isinstance(v, dict):
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self._build_stree(v, uid, path)
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uid += len(v)
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else:
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uid += 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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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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else:
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self.output.insert(tk.END, 'External 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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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._build_model_stree(self.active_model)
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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.active_state = selection[0]
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def clear_plot(self):
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self.__line.set_data([], [])
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self.__dots.set_data([], [])
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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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event_list = self.trace[self.active_model]
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path = self.active_state.split(".")
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in_times = []
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in_evts = []
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states = []
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for ev in event_list:
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state = ev["state"]
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for p in path:
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state = state[p]
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states.append(state)
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if ev["kind"] == "IN":
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in_times.append(ev["time"])
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in_evts.append(state)
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state_sets = list(sorted(set(states)))
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times = [x["time"] for x in event_list]
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values = [state_sets.index(x) for x in states]
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ts, vs = [], []
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for time in times:
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ts.append(time)
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ts.append(time)
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for val in values:
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vs.append(val)
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vs.append(val)
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ts.pop(0)
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vs.pop()
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self.axis.set_title("%s: %s" % (self.active_model, self.active_state))
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mid = self.time
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ws = self.get_window()
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lower = max(times[0], mid - ws/2)
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upper = lower + ws
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self.axis.set_xlim((lower, upper))
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self.axis.set_ylim((-0.5, len(state_sets) - 0.5))
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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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self.__cursor.set_data([mid, mid], [-0.5, len(state_sets) - 0.5])
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self.__line.set_data(ts, vs)
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self.__dots.set_data(in_times, [state_sets.index(x) for x in in_evts])
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if __name__ == '__main__':
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Window()
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