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Diffstat (limited to 'gr-wxgui/src/python/numbersink.py')
| -rw-r--r-- | gr-wxgui/src/python/numbersink.py | 614 |
1 files changed, 614 insertions, 0 deletions
diff --git a/gr-wxgui/src/python/numbersink.py b/gr-wxgui/src/python/numbersink.py new file mode 100644 index 000000000..b6319a3e8 --- /dev/null +++ b/gr-wxgui/src/python/numbersink.py @@ -0,0 +1,614 @@ +#!/usr/bin/env python +# +# Copyright 2003,2004,2005,2006 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +# Boston, MA 02111-1307, USA. +# + +from gnuradio import gr, gru, window +from gnuradio.wxgui import stdgui +import wx +#from wx import StaticText +import gnuradio.wxgui.plot as plot +import Numeric +import threading +import math + +default_numbersink_size = (640,240) +default_number_rate = gr.prefs().get_long('wxgui', 'number_rate', 15) + +class number_sink_base(object): + def __init__(self, input_is_real=False, unit='',base_value=0, minval=-100.0,maxval=100.0,factor=1.0,decimal_places=10, ref_level=50, + sample_rate=1, + number_rate=default_number_rate, + average=False, avg_alpha=None, label='', peak_hold=False): + + # initialize common attributes + self.unit=unit + self.base_value = base_value + self.minval=minval + self.maxval=maxval + self.factor=factor + self.y_divs = 8 + self.decimal_places=decimal_places + self.ref_level = ref_level + self.sample_rate = sample_rate + number_size=1 + self.number_size = number_size + self.number_rate = number_rate + self.average = average + if avg_alpha is None: + self.avg_alpha = 2.0 / number_rate + else: + self.avg_alpha = avg_alpha + self.label = label + self.peak_hold = peak_hold + self.show_gauge = True + self.input_is_real = input_is_real + self.msgq = gr.msg_queue(2) # queue that holds a maximum of 2 messages + + def set_decimal_places(self, decimal_places): + self.decimal_places = decimal_places + + def set_ref_level(self, ref_level): + self.ref_level = ref_level + + def print_current_value(self, comment): + print comment,self.win.current_value + + def set_average(self, average): + self.average = average + if average: + self.avg.set_taps(self.avg_alpha) + self.set_peak_hold(False) + else: + self.avg.set_taps(1.0) + + def set_peak_hold(self, enable): + self.peak_hold = enable + if enable: + self.set_average(False) + self.win.set_peak_hold(enable) + + def set_show_gauge(self, enable): + self.show_gauge = enable + self.win.set_show_gauge(enable) + + def set_avg_alpha(self, avg_alpha): + self.avg_alpha = avg_alpha + + def set_base_value(self, base_value): + self.base_value = base_value + + +class number_sink_f(gr.hier_block, number_sink_base): + def __init__(self, fg, parent, unit='',base_value=0,minval=-100.0,maxval=100.0,factor=1.0, + decimal_places=10, ref_level=50, sample_rate=1, #number_size=512, + number_rate=default_number_rate, average=False, avg_alpha=None, + label='', size=default_numbersink_size, peak_hold=False): + + number_sink_base.__init__(self, unit=unit, input_is_real=True, base_value=base_value, + minval=minval,maxval=maxval,factor=factor, + decimal_places=decimal_places, ref_level=ref_level, + sample_rate=sample_rate, #number_size=number_size, + number_rate=number_rate, + average=average, avg_alpha=avg_alpha, label=label, + peak_hold=peak_hold) + + number_size=1 + #s2p = gr.stream_to_vector(gr.sizeof_float, number_size) + one_in_n = gr.keep_one_in_n(gr.sizeof_float, + max(1, int(sample_rate/number_rate))) + + + #c2mag = gr.complex_to_mag(number_size) + self.avg = gr.single_pole_iir_filter_ff(1.0, number_size) + + # FIXME We need to add 3dB to all bins but the DC bin + #log = gr.nlog10_ff(20, number_size, + # -20*math.log10(number_size)-10*math.log10(power/number_size)) + sink = gr.message_sink(gr.sizeof_float , self.msgq, True) + + #fg.connect (s2p, one_in_n, fft, c2mag, self.avg, log, sink) + fg.connect(self.avg,one_in_n,sink) + gr.hier_block.__init__(self, fg, self.avg, sink) + self.win = number_window(self, parent, size=size,label=label) + self.set_average(self.average) + + +class number_sink_c(gr.hier_block, number_sink_base): + def __init__(self, fg, parent, unit='',base_value=0,minval=-100.0,maxval=100.0,factor=1.0, + decimal_places=10, ref_level=50, sample_rate=1, #number_size=512, + number_rate=default_number_rate, average=False, avg_alpha=None, + label='', size=default_numbersink_size, peak_hold=False): + + number_sink_base.__init__(self, unit=unit, input_is_real=False, base_value=base_value,factor=factor, + minval=minval,maxval=maxval,decimal_places=decimal_places, ref_level=ref_level, + sample_rate=sample_rate, #number_size=number_size, + number_rate=number_rate, + average=average, avg_alpha=avg_alpha, label=label, + peak_hold=peak_hold) + + number_size=1 + one_in_n = gr.keep_one_in_n(gr.sizeof_gr_complex, + max(1, int(sample_rate/number_rate))) + + + #c2mag = gr.complex_to_mag(number_size) + self.avg = gr.single_pole_iir_filter_cc(1.0, number_size) + + # FIXME We need to add 3dB to all bins but the DC bin + #log = gr.nlog10_ff(20, number_size, + # -20*math.log10(number_size)-10*math.log10(power/number_size)) + sink = gr.message_sink(gr.sizeof_gr_complex , self.msgq, True) + + #fg.connect (s2p, one_in_n, fft, c2mag, self.avg, log, sink) + fg.connect(self.avg,one_in_n,sink) + gr.hier_block.__init__(self, fg, self.avg, sink) + self.win = number_window(self, parent, size=size,label=label) + self.set_average(self.average) + + +# ------------------------------------------------------------------------ + +myDATA_EVENT = wx.NewEventType() +EVT_DATA_EVENT = wx.PyEventBinder (myDATA_EVENT, 0) + + +class DataEvent(wx.PyEvent): + def __init__(self, data): + wx.PyEvent.__init__(self) + self.SetEventType (myDATA_EVENT) + self.data = data + + def Clone (self): + self.__class__ (self.GetId()) + + +class input_watcher (threading.Thread): + def __init__ (self, msgq, number_size, event_receiver, **kwds): + threading.Thread.__init__ (self, **kwds) + self.setDaemon (1) + self.msgq = msgq + self.number_size = number_size + self.event_receiver = event_receiver + self.keep_running = True + self.start () + + def run (self): + while (self.keep_running): + msg = self.msgq.delete_head() # blocking read of message queue + itemsize = int(msg.arg1()) + nitems = int(msg.arg2()) + + s = msg.to_string() # get the body of the msg as a string + + # There may be more than one number in the message. + # If so, we take only the last one + if nitems > 1: + start = itemsize * (nitems - 1) + s = s[start:start+itemsize] + + complex_data = Numeric.fromstring (s, Numeric.Float32) + de = DataEvent (complex_data) + wx.PostEvent (self.event_receiver, de) + del de + +#======================================================================================== +class static_text_window (wx.StaticText): #plot.PlotCanvas): + def __init__ (self, parent, numbersink,id = -1,label="number", + pos = wx.DefaultPosition, size = wx.DefaultSize, + style = wx.DEFAULT_FRAME_STYLE, name = ""): + #plot.PlotCanvas.__init__ (self, parent, id, pos, size, style, name) + wx.StaticText.__init__(self, parent, id, label, pos, size, style, name) + #self.static_text=wx.StaticText( parent, id, label, pos, (size[0]/2,size[1]/2), style, name) + #gauge_style = wx.GA_HORIZONTAL + #self.gauge=wx.Gauge( parent, id, range=1000, pos=(pos[0],pos[1]+size[1]/2),size=(size[0]/2,size[1]/2), style=gauge_style, name = "gauge") + #wx.BoxSizer.__init__ (self,wx.VERTICAL) + #self.Add (self.static_text, 0, wx.EXPAND) + #self.Add (self.gauge, 1, wx.EXPAND) + self.parent=parent + self.label=label + #self.y_range = None + self.numbersink = numbersink + self.peak_hold = False + self.peak_vals = None + + #self.SetEnableGrid (True) + # self.SetEnableZoom (True) + # self.SetBackgroundColour ('black') + + self.build_popup_menu() + + #EVT_DATA_EVENT (self, self.set_data) + #wx.EVT_CLOSE (self, self.on_close_window) + #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) + self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) + + #self.input_watcher = input_watcher(numbersink.msgq, numbersink.number_size, self) + + + def on_close_window (self, event): + print "number_window:on_close_window" + self.keep_running = False + + + def set_peak_hold(self, enable): + self.peak_hold = enable + self.peak_vals = None + + def update_y_range (self): + ymax = self.numbersink.ref_level + ymin = self.numbersink.ref_level - self.numbersink.decimal_places * self.numbersink.y_divs + self.y_range = self._axisInterval ('min', ymin, ymax) + + def on_average(self, evt): + # print "on_average" + self.numbersink.set_average(evt.IsChecked()) + + def on_peak_hold(self, evt): + # print "on_peak_hold" + self.numbersink.set_peak_hold(evt.IsChecked()) + + def on_show_gauge(self, evt): + # print "on_show_gauge" + #if evt.IsChecked(): + self.numbersink.set_show_gauge(evt.IsChecked()) + print evt.IsChecked() + # print "show gauge" + #else: + # self.parent.gauge.Hide() + # print "hide gauge" + + def on_incr_ref_level(self, evt): + # print "on_incr_ref_level" + self.numbersink.set_ref_level(self.numbersink.ref_level + + self.numbersink.decimal_places) + + def on_decr_ref_level(self, evt): + # print "on_decr_ref_level" + self.numbersink.set_ref_level(self.numbersink.ref_level + - self.numbersink.decimal_places) + + def on_incr_decimal_places(self, evt): + # print "on_incr_decimal_places" + self.numbersink.set_decimal_places(self.numbersink.decimal_places+1) #next_up(self.numbersink.decimal_places, (1,2,5,10,20))) + + def on_decr_decimal_places(self, evt): + # print "on_decr_decimal_places" + self.numbersink.set_decimal_places(max(self.numbersink.decimal_places-1,0)) #next_down(self.numbersink.decimal_places, (1,2,5,10,20))) + + def on_decimal_places(self, evt): + # print "on_decimal_places" + Id = evt.GetId() + if Id == self.id_decimal_places_0: + self.numbersink.set_decimal_places(0) + elif Id == self.id_decimal_places_1: + self.numbersink.set_decimal_places(1) + elif Id == self.id_decimal_places_2: + self.numbersink.set_decimal_places(2) + elif Id == self.id_decimal_places_3: + self.numbersink.set_decimal_places(3) + elif Id == self.id_decimal_places_6: + self.numbersink.set_decimal_places(6) + elif Id == self.id_decimal_places_9: + self.numbersink.set_decimal_places(9) + + + def on_right_click(self, event): + menu = self.popup_menu + for id, pred in self.checkmarks.items(): + item = menu.FindItemById(id) + item.Check(pred()) + self.PopupMenu(menu, event.GetPosition()) + + + def build_popup_menu(self): + #self.id_hide_gauge = wx.NewId() + self.id_show_gauge = wx.NewId() + self.id_incr_ref_level = wx.NewId() + self.id_decr_ref_level = wx.NewId() + self.id_incr_decimal_places = wx.NewId() + self.id_decr_decimal_places = wx.NewId() + self.id_decimal_places_0 = wx.NewId() + self.id_decimal_places_1 = wx.NewId() + self.id_decimal_places_2 = wx.NewId() + self.id_decimal_places_3 = wx.NewId() + self.id_decimal_places_6 = wx.NewId() + self.id_decimal_places_9 = wx.NewId() + self.id_average = wx.NewId() + self.id_peak_hold = wx.NewId() + + self.Bind(wx.EVT_MENU, self.on_average, id=self.id_average) + self.Bind(wx.EVT_MENU, self.on_peak_hold, id=self.id_peak_hold) + #self.Bind(wx.EVT_MENU, self.on_hide_gauge, id=self.id_hide_gauge) + self.Bind(wx.EVT_MENU, self.on_show_gauge, id=self.id_show_gauge) + self.Bind(wx.EVT_MENU, self.on_incr_ref_level, id=self.id_incr_ref_level) + self.Bind(wx.EVT_MENU, self.on_decr_ref_level, id=self.id_decr_ref_level) + self.Bind(wx.EVT_MENU, self.on_incr_decimal_places, id=self.id_incr_decimal_places) + self.Bind(wx.EVT_MENU, self.on_decr_decimal_places, id=self.id_decr_decimal_places) + self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_0) + self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_1) + self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_2) + self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_3) + self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_6) + self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_9) + + + # make a menu + menu = wx.Menu() + self.popup_menu = menu + menu.AppendCheckItem(self.id_average, "Average") + menu.AppendCheckItem(self.id_peak_hold, "Peak Hold") + #menu.Append(self.id_hide_gauge, "Hide gauge") + menu.AppendCheckItem(self.id_show_gauge, "Show gauge") + menu.Append(self.id_incr_ref_level, "Incr Ref Level") + menu.Append(self.id_decr_ref_level, "Decr Ref Level") + menu.Append(self.id_incr_decimal_places, "Incr decimal places") + menu.Append(self.id_decr_decimal_places, "Decr decimal places") + menu.AppendSeparator() + # we'd use RadioItems for these, but they're not supported on Mac + menu.AppendCheckItem(self.id_decimal_places_0, "0 decimal places") + menu.AppendCheckItem(self.id_decimal_places_1, "1 decimal places") + menu.AppendCheckItem(self.id_decimal_places_2, "2 decimal places") + menu.AppendCheckItem(self.id_decimal_places_3, "3 decimal places") + menu.AppendCheckItem(self.id_decimal_places_6, "6 decimal places") + menu.AppendCheckItem(self.id_decimal_places_9, "9 decimal places") + + self.checkmarks = { + self.id_average : lambda : self.numbersink.average, + self.id_peak_hold : lambda : self.numbersink.peak_hold,# self.id_hide_gauge : lambda : self.numbersink.hide_gauge, + self.id_show_gauge : lambda : self.numbersink.show_gauge, + self.id_decimal_places_0 : lambda : self.numbersink.decimal_places == 0, + self.id_decimal_places_1 : lambda : self.numbersink.decimal_places == 1, + self.id_decimal_places_2 : lambda : self.numbersink.decimal_places == 2, + self.id_decimal_places_3 : lambda : self.numbersink.decimal_places == 3, + self.id_decimal_places_6 : lambda : self.numbersink.decimal_places == 6, + self.id_decimal_places_9 : lambda : self.numbersink.decimal_places == 9, + } + + +def next_up(v, seq): + """ + Return the first item in seq that is > v. + """ + for s in seq: + if s > v: + return s + return v + +def next_down(v, seq): + """ + Return the last item in seq that is < v. + """ + rseq = list(seq[:]) + rseq.reverse() + + for s in rseq: + if s < v: + return s + return v + + +#======================================================================================== +class number_window (plot.PlotCanvas): + def __init__ (self, numbersink, parent, id = -1,label="number", + pos = wx.DefaultPosition, size = wx.DefaultSize, + style = wx.DEFAULT_FRAME_STYLE, name = ""): + plot.PlotCanvas.__init__ (self, parent, id, pos, size, style, name) + #wx.StaticText.__init__(self, parent, id, label, pos, (size[0]/2,size[1]/2), style, name) + #print 'parent',parent + self.static_text=static_text_window( self, numbersink,id, label, pos, (size[0]/2,size[1]/2), style, name) + gauge_style = wx.GA_HORIZONTAL + vbox=wx.BoxSizer(wx.VERTICAL) + vbox.Add (self.static_text, 0, wx.EXPAND) + self.current_value=None + if numbersink.input_is_real: + self.gauge=wx.Gauge( self, id, range=1000, pos=(pos[0],pos[1]+size[1]/2),size=(size[0]/2,size[1]/2), style=gauge_style, name = "gauge") + vbox.Add (self.gauge, 1, wx.EXPAND) + else: + self.gauge=wx.Gauge( self, id, range=1000, pos=(pos[0],pos[1]+size[1]/3),size=(size[0]/2,size[1]/3), style=gauge_style, name = "gauge") + #hbox=wx.BoxSizer(wx.HORIZONTAL) + self.gauge_imag=wx.Gauge( self, id, range=1000, pos=(pos[0],pos[1]+size[1]*2/3),size=(size[0]/2,size[1]/3), style=gauge_style, name = "gauge_imag") + vbox.Add (self.gauge, 1, wx.EXPAND) + vbox.Add (self.gauge_imag, 1, wx.EXPAND) + #vbox.Add (hbox, 1, wx.EXPAND) + self.sizer = vbox + self.SetSizer (self.sizer) + self.SetAutoLayout (True) + self.sizer.Fit (self) + + self.label=label + #self.y_range = None + self.numbersink = numbersink + self.peak_hold = False + self.peak_vals = None + + #self.SetEnableGrid (True) + # self.SetEnableZoom (True) + # self.SetBackgroundColour ('black') + + #self.build_popup_menu() + + EVT_DATA_EVENT (self, self.set_data) + wx.EVT_CLOSE (self, self.on_close_window) + #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) + #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) + + self.input_watcher = input_watcher(numbersink.msgq, numbersink.number_size, self) + + + def on_close_window (self, event): + print "number_window:on_close_window" + self.keep_running = False + + def set_show_gauge(self, enable): + self.show_gauge = enable + if enable: + self.gauge.Show() + if not self.numbersink.input_is_real: + self.gauge_imag.Show() + #print 'show' + else: + self.gauge.Hide() + if not self.numbersink.input_is_real: + self.gauge_imag.Hide() + #print 'hide' + + def set_data (self, evt): + numbers = evt.data + L = len (numbers) + + if self.peak_hold: + if self.peak_vals is None: + self.peak_vals = numbers + else: + self.peak_vals = Numeric.maximum(numbers, self.peak_vals) + numbers = self.peak_vals + + if self.numbersink.input_is_real: + real_value=numbers[0]*self.numbersink.factor + self.numbersink.base_value + imag_value=0.0 + self.current_value=real_value + else: + real_value=numbers[0]*self.numbersink.factor + self.numbersink.base_value + imag_value=numbers[1]*self.numbersink.factor + self.numbersink.base_value + self.current_value=complex(real_value,imag_value) + #x = max(abs(self.numbersink.sample_rate), abs(self.numbersink.base_value)) + x = max(real_value, imag_value) + if x >= 1e9: + sf = 1e-9 + unit_prefix = "G" + elif x >= 1e6: + sf = 1e-6 + unit_prefix = "M" + elif x>= 1e3: + sf = 1e-3 + unit_prefix = "k" + else : + sf = 1 + unit_prefix = "" + #self.update_y_range () + if self.numbersink.input_is_real: + showtext = "%s: %.*f %s%s" % (self.label, self.numbersink.decimal_places,real_value*sf,unit_prefix,self.numbersink.unit) + else: + showtext = "%s: %.*f,%.*f %s%s" % (self.label, self.numbersink.decimal_places,real_value*sf, + self.numbersink.decimal_places,imag_value*sf,unit_prefix,self.numbersink.unit) + self.static_text.SetLabel(showtext) + #print (int(float((real_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500) + self.gauge.SetValue(int(float((real_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500) + if not self.numbersink.input_is_real: + self.gauge.SetValue(int(float((imag_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500) + + def set_peak_hold(self, enable): + self.peak_hold = enable + self.peak_vals = None + + def update_y_range (self): + ymax = self.numbersink.ref_level + ymin = self.numbersink.ref_level - self.numbersink.decimal_places * self.numbersink.y_divs + self.y_range = self._axisInterval ('min', ymin, ymax) + + def on_average(self, evt): + # print "on_average" + self.numbersink.set_average(evt.IsChecked()) + + def on_peak_hold(self, evt): + # print "on_peak_hold" + self.numbersink.set_peak_hold(evt.IsChecked()) + + + + + + + + + + +# ---------------------------------------------------------------- +# Deprecated interfaces +# ---------------------------------------------------------------- + +# returns (block, win). +# block requires a single input stream of float +# win is a subclass of wxWindow + +def make_number_sink_f(fg, parent, label, number_size, input_rate, ymin = 0, ymax=50): + + block = number_sink_f(fg, parent, label=label, number_size=number_size, sample_rate=input_rate, + decimal_places=(ymax - ymin)/8, ref_level=ymax) + return (block, block.win) + +# returns (block, win). +# block requires a single input stream of gr_complex +# win is a subclass of wxWindow + +def make_number_sink_c(fg, parent, label, number_size, input_rate, ymin=0, ymax=50): + block = number_sink_c(fg, parent, label=label, number_size=number_size, sample_rate=input_rate, + decimal_places=(ymax - ymin)/8, ref_level=ymax) + return (block, block.win) + + +# ---------------------------------------------------------------- +# Standalone test app +# ---------------------------------------------------------------- + +class test_app_flow_graph (stdgui.gui_flow_graph): + def __init__(self, frame, panel, vbox, argv): + stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv) + + #number_size = 256 + + # build our flow graph + input_rate = 20.48e3 + + # Generate a complex sinusoid + src1 = gr.sig_source_c (input_rate, gr.GR_SIN_WAVE, 2e3, 1) + #src1 = gr.sig_source_c (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1) + + # We add these throttle blocks so that this demo doesn't + # suck down all the CPU available. Normally you wouldn't use these. + thr1 = gr.throttle(gr.sizeof_gr_complex, input_rate) + + #sink1 = number_sink_c (self, panel, label="Complex Data", number_size=number_size, + # sample_rate=input_rate, base_value=100e3, + # ref_level=0, decimal_places=3) + #vbox.Add (sink1.win, 1, wx.EXPAND) + #self.connect (src1, thr1, sink1) + + src2 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 2e3, 1) + #src2 = gr.sig_source_f (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1) + thr2 = gr.throttle(gr.sizeof_float, input_rate) + sink2 = number_sink_f (self, panel, unit='Hz',label="Real Data", avg_alpha=0.001,#number_size=number_size*2, + sample_rate=input_rate, base_value=100e3, + ref_level=0, decimal_places=3) + vbox.Add (sink2.win, 1, wx.EXPAND) + sink3 = number_sink_c (self, panel, unit='V',label="Complex Data", avg_alpha=0.001,#number_size=number_size*2, + sample_rate=input_rate, base_value=0, + ref_level=0, decimal_places=3) + vbox.Add (sink3.win, 1, wx.EXPAND) + self.connect (src2, thr2, sink2) + self.connect (src1, thr1, sink3) +def main (): + app = stdgui.stdapp (test_app_flow_graph, + "Number Sink Test App") + app.MainLoop () + +if __name__ == '__main__': + main () |