PySimpleGUI Debugger! Initial checkin
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MikeTheWatchGuy
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import PySimpleGUI as sg
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import PSGdebugger
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"""
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Demo program that shows you how to integrate the PySimpleGUI Debugger
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into your program.
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There are TWO steps, and they are copy and pastes.
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1. At the top of your app to debug add
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import PSGdebugger
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2. At the end of your app's event loop add
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PSGdebugger.refresh(locals(), globals())
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"""
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layout = [
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[sg.T('A typical PSG application')],
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[sg.In(key='_IN_')],
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[sg.T(' ', key='_OUT_')],
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[sg.Radio('a',1, key='_R1_'), sg.Radio('b',1, key='_R2_'), sg.Radio('c',1, key='_R3_')],
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[sg.Combo(['c1', 'c2', 'c3'], size=(6,3), key='_COMBO_')],
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[sg.Output(size=(40,6))],
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[sg.Ok(), sg.Exit()],
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]
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window = sg.Window('This is your Application Window', layout)
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# Variables that we'll use to demonstrate the debugger's features
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counter = 0
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timeout = 100
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while True: # Event Loop
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event, values = window.Read(timeout=timeout)
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if event in (None, 'Exit'):
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break
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counter += 1
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window.Element('_OUT_').Update(values['_IN_'])
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PSGdebugger.refresh(locals(), globals())
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import subprocess
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import sys
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import ast
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import copy
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import PySimpleGUI as sg
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"""
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Python repl with a "watch list"
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This Demo Program was created as an answer to a Reddit question.
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The idea is to build a Python interpreter >>> prompt, accept command and execute them... and
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to also inslude a watcher feature. The "Watched" variables or expressions are constantly updated
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as the proram runs.
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At the moment, the event loop runs once a second. It could easily be shortened if that's too slow
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"""
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WIDTH_VARIABLES = 12
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WIDTH_RESULTS = 16
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def convertExpr2Expression(Expr):
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Expr.lineno = 0
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Expr.col_offset = 0
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result = ast.Expression(Expr.value, lineno=0, col_offset = 0)
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return result
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def exec_with_return(code):
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code_ast = ast.parse(code)
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init_ast = copy.deepcopy(code_ast)
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init_ast.body = code_ast.body[:-1]
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last_ast = copy.deepcopy(code_ast)
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last_ast.body = code_ast.body[-1:]
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exec(compile(init_ast, "<ast>", "exec"), globals())
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if type(last_ast.body[0]) == ast.Expr:
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return eval(compile(convertExpr2Expression(last_ast.body[0]), "<ast>", "eval"),globals())
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else:
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exec(compile(last_ast, "<ast>", "exec"),globals())
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def func(x=''):
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return f'return value from func()={x}'
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def init():
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def InVar(key1, key2):
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row1 = [sg.T(' '),
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sg.I(key=key1, size=(WIDTH_VARIABLES,1)),
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sg.I(key=key1+'CHANGED_', size=(WIDTH_RESULTS,1)),sg.B('Detail', key=key1+'DETAIL_'), sg.T(' '),
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sg.T(' '), sg.I(key=key2, size=(WIDTH_VARIABLES, 1)), sg.I(key=key2 + 'CHANGED_', size=(WIDTH_RESULTS, 1)), sg.B('Detail', key=key2+'DETAIL_'),]
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return row1
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variables_frame = [ InVar('_VAR1_', '_VAR2_'),
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InVar('_VAR3_', '_VAR4_'),
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InVar('_VAR5_', '_VAR6_'),]
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interactive_frame = [[sg.T('>>> '), sg.In(size=(70,1), key='_INTERACTIVE_'), sg.B('Go', bind_return_key=True, visible=False)],
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[sg.Output(size=(70,8))],]
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layout = [ [sg.Frame('Variables or Expressions to Watch', variables_frame)],
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[sg.Frame('Interactive REPL', interactive_frame)],
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[sg.Button('Exit')]]
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window = sg.Window('Realtime REPL Command Output + Watches', layout).Finalize()
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window.Element('_INTERACTIVE_').SetFocus()
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return window
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# event_loop(window)
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event_once = lambda window, var=0 : exec("""
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# while True: # Event Loop
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event, values = window.Read(timeout=100)
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print(event, values) if event != sg.TIMEOUT_KEY else None
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if event in (None, 'Exit'):
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False
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cmd = values['_INTERACTIVE_']
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if event == 'Run':
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runCommand(cmd=cmd, window=window)
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elif event == 'Go':
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window.Element('_INTERACTIVE_').Update('')
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out=''
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print(">>> ", cmd)
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try:
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print(exec_with_return(cmd))
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except Exception as e:
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print(f'Exception on output {e}')
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elif event.endswith('_DETAIL_'):
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try: sg.PopupScrolled(eval(values[f'_VAR{event[4]}_']))
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except: pass
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# -------------------- Process the "watch list" ------------------
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for i in range(1, 6):
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key = f'_VAR{i}_'
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out_key = f'_VAR{i}_CHANGED_'
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if window.Element(key):
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if values[key]:
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try:
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window.Element(out_key).Update(eval(values[key]))
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except:
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window.Element(out_key).Update('')
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var += 1
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True
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""")
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def runCommand(cmd, timeout=None, window=None):
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""" run shell command
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@param cmd: command to execute
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@param timeout: timeout for command execution
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@param window: the PySimpleGUI window that the output is going to (needed to do refresh on)
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@return: (return code from command, command output)
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"""
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p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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output = ''
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for line in p.stdout:
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line = line.decode(errors='replace' if (sys.version_info) < (3, 5) else 'backslashreplace').rstrip()
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output += line
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print(line)
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window.Refresh() if window else None # yes, a 1-line if, so shoot me
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retval = p.wait(timeout)
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return (retval, output)
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if __name__ == '__main__':
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window = init()
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my_variable=1000
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while True:
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event_once(window)
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# if not event_once(window):
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# break
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window.Close()
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@ -0,0 +1,125 @@
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import subprocess
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import sys
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import PySimpleGUI as sg
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"""
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The Offiicial Unofficiall official PySimpleGUI debug tool
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Not calling it a debugger, but it is also quite a step up from "print statemements"
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"""
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PSGDebugLogo = b'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'
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COLOR_SCHEME = 'LightGreen'
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WIDTH_VARIABLES = 12
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WIDTH_RESULTS = 36
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# done purely for testing / show
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def func(x=''):
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return f'return value from func()={x}'
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def _init():
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global watcher_window
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sg.ChangeLookAndFeel(COLOR_SCHEME)
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def InVar(key1, key2):
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row1 = [sg.T(' '),
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sg.I(key=key1, size=(WIDTH_VARIABLES,1)),
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sg.T('',key=key1+'CHANGED_', size=(WIDTH_RESULTS,1)),sg.B('Detail', key=key1+'DETAIL_'), sg.T(' '),
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sg.T(' '), sg.I(key=key2, size=(WIDTH_VARIABLES, 1)), sg.T('',key=key2 + 'CHANGED_', size=(WIDTH_RESULTS, 1)), sg.B('Detail', key=key2+'DETAIL_'),]
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return row1
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variables_frame = [ InVar('_VAR1_', '_VAR2_'),
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InVar('_VAR3_', '_VAR4_'),
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InVar('_VAR5_', '_VAR6_'),]
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interactive_frame = [[sg.T('>>> '), sg.In(size=(83,1), key='_INTERACTIVE_'), sg.B('Go', bind_return_key=True, visible=False)],
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[sg.Multiline(size=(88,12),key='_OUTPUT_',autoscroll=True, do_not_clear=True)],]
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layout = [ [sg.Frame('Variables or Expressions to Watch', variables_frame, )],
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[sg.Frame('REPL-Light', interactive_frame,)],
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[sg.Button('Exit')]]
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window = sg.Window('PySimpleGUI Debugger', layout, icon=PSGDebugLogo).Finalize()
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window.Element('_INTERACTIVE_').SetFocus()
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watcher_window = window
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sg.ChangeLookAndFeel('SystemDefault')
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return window
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def _event_once(_window, mylocals, myglobals):
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_window = watcher_window
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global myrc
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_event, _values = _window.Read(timeout=100)
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if _event in (None, 'Exit'):
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return False
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cmd = _values['_INTERACTIVE_']
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if _event == 'Run':
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_runCommand(cmd=cmd, window=_window)
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elif _event == 'Go':
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_window.Element('_INTERACTIVE_').Update('')
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_window.Element('_OUTPUT_').Update(">>> {}\n".format(cmd), append=True, autoscroll=True)
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expression = """
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global myrc
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PSGdebugger.myrc = {} """.format(cmd)
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try:
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exec(expression, myglobals, mylocals)
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_window.Element('_OUTPUT_').Update('{}\n'.format(myrc),append=True, autoscroll=True)
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except Exception as e:
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_window.Element('_OUTPUT_').Update('Exception {}\n'.format(e),append=True, autoscroll=True)
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elif _event.endswith('_DETAIL_'):
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expression = """
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global myrc
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PSGdebugger.myrc = {} """.format(_values[f'_VAR{_event[4]}_'])
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try:
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exec(expression, myglobals, mylocals)
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sg.PopupScrolled(myrc)
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except:
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print('Detail failed')
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# -------------------- Process the "watch list" ------------------
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for i in range(1, 7):
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key = f'_VAR{i}_'
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out_key = f'_VAR{i}_CHANGED_'
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myrc =''
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if _window.Element(key):
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if _values[key]:
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expression = """
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global myrc
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PSGdebugger.myrc = {} """.format(_values[key])
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try:
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exec(expression, myglobals, mylocals)
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except Exception as e:
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pass
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_window.Element(out_key).Update(myrc)
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else:
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_window.Element(out_key).Update('')
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def _runCommand(cmd, timeout=None, window=None):
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""" run shell command
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@param cmd: command to execute
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@param timeout: timeout for command execution
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@param window: the PySimpleGUI window that the output is going to (needed to do refresh on)
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@return: (return code from command, command output)
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"""
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p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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output = ''
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for line in p.stdout:
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line = line.decode(errors='replace' if (sys.version_info) < (3, 5) else 'backslashreplace').rstrip()
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output += line
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print(line)
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window.Refresh() if window else None # yes, a 1-line if, so shoot me
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retval = p.wait(timeout)
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return (retval, output)
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def refresh(locals, globals):
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global watcher_window
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_event_once(watcher_window, locals, globals)
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myrc = ''
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watcher_window = _init()
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