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tracelog.py
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# # A PyGtk-based Python Trace Collector window # # Copyright (C) 2007 TK Soh <teekaysoh@gmail.com> # import pygtk pygtk.require("2.0") import gtk import gobject import pango import threading import Queue import win32trace try: from hggtk.hglib import toutf except ImportError: import locale _encoding = locale.getpreferredencoding() def toutf(s): return s.decode(_encoding, 'replace').encode('utf-8') class TraceLog(): def __init__(self): self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) self.window.set_title("Python Trace Collector") # construct window self.window.set_default_size(700, 400) self.main_area = gtk.VBox() self.window.add(self.main_area) # mimic standard dialog widgets self.action_area = gtk.HBox() self.main_area.pack_end(self.action_area, False, False, 5) sep = gtk.HSeparator() self.main_area.pack_end(sep, False, False, 0) self.vbox = gtk.VBox() self.main_area.pack_end(self.vbox) # add python trace ouput window scrolledwindow = gtk.ScrolledWindow() scrolledwindow.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC) self.textview = gtk.TextView(buffer=None) self.textview.set_editable(False) self.textview.modify_font(pango.FontDescription("Monospace")) scrolledwindow.add(self.textview) self.textview.set_editable(False) self.textbuffer = self.textview.get_buffer() self.vbox.pack_start(scrolledwindow, True, True) self.vbox.show_all() # add buttons self._button_quit = gtk.Button("Quit") self._button_quit.connect('clicked', self._on_ok_clicked) self.action_area.pack_end(self._button_quit, False, False, 5) self._button_clear = gtk.Button("Clear") self._button_clear.connect('clicked', self._on_clear_clicked) self.action_area.pack_end(self._button_clear, False, False, 5) # add assorted window event handlers self.window.connect('map_event', self._on_window_map_event) self.window.connect('delete_event', self._on_window_close_clicked) def _on_ok_clicked(self, button): self._stop_read_thread() gtk.main_quit() def _on_clear_clicked(self, button): self.write("", False) def _on_window_close_clicked(self, event, param): self._stop_read_thread() gtk.main_quit() def _on_window_map_event(self, event, param): self._begin_trace() def _begin_trace(self): self.queue = Queue.Queue() win32trace.InitRead() self.write("Collecting Python Trace Output...\n") gobject.timeout_add(10, self._process_queue) self._start_read_thread() def _start_read_thread(self): self._read_trace = True self.thread1 = threading.Thread(target=self._do_read_trace) self.thread1.start() def _stop_read_thread(self): self._read_trace = False # wait for worker thread to to fix Unhandled exception in thread self.thread1.join() def _process_queue(self): """ Handle all the messages currently in the queue (if any). """ while self.queue.qsize(): try: msg = self.queue.get(0) self.write(msg) except Queue.Empty: pass return True def _do_read_trace(self): """ print buffer collected in win32trace """ while self._read_trace: msg = win32trace.read() if msg: self.queue.put(msg) def write(self, msg, append=True): msg = toutf(msg) if append: enditer = self.textbuffer.get_end_iter() self.textbuffer.insert(enditer, msg) else: self.textbuffer.set_text(msg) def main(self): self.window.show_all() gtk.main() def run(): dlg = TraceLog() dlg.main() if __name__ == "__main__": run()