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NaruX
a60431e456
Reaktion auf Fehlerbytes vom RevPi f?r Logfile In Dialogfenster ESC zum schlie?en eingebaut _checkclose Funktionen zur Pr?fung auf ?nderung und Schlie?en hinzugef?gt
159 lines
5.1 KiB
Python
159 lines
5.1 KiB
Python
#
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# RevPiPyControl
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#
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# Webpage: https://revpimodio.org/revpipyplc/
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# (c) Sven Sager, License: LGPLv3
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#
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# -*- coding: utf-8 -*-
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import tkinter
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from mytools import gettrans
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# Übersetzung laden
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_ = gettrans()
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class RevPiLogfile(tkinter.Frame):
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def __init__(self, master, xmlcli):
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u"""Init RevPiLogfile-Class."""
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super().__init__(master)
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self.master.bind("<KeyPress-Escape>", self._closewin)
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self.pack(fill="both", expand=True)
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self.xmlcli = xmlcli
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# Systemvariablen
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self.loadblock = 16384
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self.mrkapp = 0
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self.mrkplc = 0
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# Fenster bauen
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self._createwidgets()
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def _closewin(self, event):
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self.master.destroy()
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def _createwidgets(self):
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u"""Erstellt alle Widgets."""
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self.master.wm_title(_("RevPi Python PLC Logs"))
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self.rowconfigure(0, weight=0)
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self.rowconfigure(1, weight=1)
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self.columnconfigure(0, weight=1)
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self.columnconfigure(1, weight=0)
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self.columnconfigure(2, weight=0)
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self.columnconfigure(3, weight=1)
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self.columnconfigure(4, weight=0)
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self.columnconfigure(5, weight=0)
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# PLC Log
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self.lblapplog = tkinter.Label(self)
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self.lblapplog["text"] = _("RevPiPyLoad - Logfile")
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self.lblapplog.grid(column=0, row=0, sticky="w")
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self.btnapplog = tkinter.Button(self)
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self.btnapplog["command"] = self.btn_clearplc
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self.btnapplog["text"] = _("Clear screen")
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self.btnapplog.grid(column=1, row=0, sticky="e")
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self.plclog = tkinter.Text(self)
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self.plcscr = tkinter.Scrollbar(self)
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self.plclog.grid(sticky="wnse", columnspan=2, column=0, row=1)
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self.plcscr.grid(sticky="ns", column=2, row=1)
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self.plclog["yscrollcommand"] = self.plcscr.set
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self.plcscr["command"] = self.plclog.yview
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# APP Log
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self.lblapplog = tkinter.Label(self)
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self.lblapplog["text"] = _("Python PLC program - Logfile")
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self.lblapplog.grid(column=3, row=0, sticky="w")
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self.btnapplog = tkinter.Button(self)
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self.btnapplog["command"] = self.btn_clearapp
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self.btnapplog["text"] = _("Clear screen")
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self.btnapplog.grid(column=4, row=0, sticky="e")
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self.applog = tkinter.Text(self)
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self.appscr = tkinter.Scrollbar(self)
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self.applog.grid(sticky="nesw", columnspan=2, column=3, row=1)
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self.appscr.grid(sticky="ns", column=5, row=1)
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self.applog["yscrollcommand"] = self.appscr.set
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self.appscr["command"] = self.applog.yview
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# Logtimer zum Laden starten
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self.get_applog(full=True)
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self.get_plclog(full=True)
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def btn_clearapp(self):
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u"""Leert die Logliste der App."""
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self.applog.delete(1.0, tkinter.END)
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def btn_clearplc(self):
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u"""Leert die Logliste des PLC."""
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self.plclog.delete(1.0, tkinter.END)
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def get_applog(self, full=False):
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u"""Ruft App Logbuch ab.
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@param full: Ganzes Logbuch laden"""
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# Logs abrufen und letzte Position merken
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self.mrkapp = self._load_log(
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self.applog, self.xmlcli.load_applog, self.mrkapp, full
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)
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# Timer neu starten
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self.master.after(1000, self.get_applog)
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def get_plclog(self, full=False):
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u"""Ruft PLC Logbuch ab.
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@param full: Ganzes Logbuch laden"""
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# Logs abrufen und letzte Position merken
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self.mrkplc = self._load_log(
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self.plclog, self.xmlcli.load_plclog, self.mrkplc, full
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)
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# Timer neu starten
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self.master.after(1000, self.get_plclog)
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def _load_log(self, textwidget, xmlcall, startposition, full):
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u"""Läd die angegebenen Logfiles herunter.
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@param textwidget: Widget in das Logs eingefügt werden sollen
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@param xmlcall: xmlrpc Funktion zum Abrufen der Logdaten
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@param startposition: Startposition ab der Logdaten kommen sollen
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@param full: Komplettes Logbuch laden
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@returns: Ende der Datei (neue Startposition)
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"""
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roll = textwidget.yview()[1] == 1.0
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startposition = 0 if full else startposition
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logbytes = b''
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while True:
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# Datenblock vom XML-RPC Server holen
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bytebuff = xmlcall(startposition, self.loadblock).data
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logbytes += bytebuff
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startposition += len(bytebuff)
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# Prüfen ob alle Daten übertragen wurden
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if len(bytebuff) < self.loadblock:
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break
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if full:
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textwidget.delete(1.0, tkinter.END)
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if bytebuff == b'\x16': #
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# Kein Zugriff auf Logdatei
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textwidget.delete(1.0, tkinter.END)
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textwidget.insert(
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tkinter.END, _("Can not access log file on the RevPi")
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)
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elif bytebuff == b'\x19': #
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# Logdatei neu begonnen
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startposition = 0
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else:
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# Text in Widget übernehmen
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textwidget.insert(tkinter.END, logbytes.decode("utf-8"))
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# Automatisch ans Ende rollen
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if roll or full:
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textwidget.see(tkinter.END)
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return startposition
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