AutoSkyX/configgui.py at master · albertw/AutoSkyX · GitHub

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''' Module to handle the motorised focuser via an Arduino
'''

from tkinter import N, S, E, W, HORIZONTAL, StringVar, Tk
import tkinter.ttk
import tkinter.messagebox

import arduino
import skyx
import configparser

from os import path, makedirs

appdatadir = path.expandvars(r'%LOCALAPPDATA%\AutoSkyX')

if not path.exists(appdatadir):
    makedirs(appdatadir)


# TODO: SkyX Host
# TODO: Load/Save config
# TODO: default min altitude
# TODO: default exposure
# TODO: default duration
# TODO: debug toggle

class ConfigGUI(object):
    ''' Class to handle the user interface for interfacing with the focuser
        via the arduino.
    '''
    def __init__(self, frame):
        ''' Draw the frame and widgets and set up handlers.
        '''

        self.config = configparser.ConfigParser()
        self.config.read(path.join(appdatadir, "config.ini"))

        try:
            self.config['DEAFULT']
        except:
            self.config['DEAFULT']={}
        self.uno = arduino.Arduino()

        self.frame = frame
        self.comport = StringVar()
        self.comport.set(self.config['DEAFULT'].get('comport', 'COM1'))
        self.skyxhost = StringVar()
        self.skyxhost.set(self.config['DEAFULT'].get('host', 'localhost'))
        self.obslat = StringVar()
        self.obslat.set(self.config['DEAFULT'].get('latitude', 0))
        self.obslon = StringVar()
        self.obslon.set(self.config['DEAFULT'].get('longitude',0))
        self.obsele = StringVar()
        self.obsele.set(self.config['DEAFULT'].get('elevation',0))

        rframe = tkinter.ttk.Frame(self.frame)
        rframe.grid(sticky=(N, S, E, W))

        comframe = tkinter.ttk.Frame(rframe)
        comframe.grid(column=0, row=2, sticky=(N, E, W))
        comframe.rowconfigure(0, weight=3)

        self.__comport(comframe)

        skxlabel = tkinter.ttk.Label(comframe, text='SkyX Host:')
        skxlabel.grid(column=0, row=1, sticky=(W))
        skxentry = tkinter.ttk.Entry(comframe, textvariable=self.skyxhost)
        skxentry.grid(column=1, row=1, sticky=(W))
        setskyxbut = tkinter.ttk.Button(comframe,
                                text="Update SkyX hostname",
                                command=self._updateskyxhost)
        setskyxbut.grid(column=2, row=1, sticky=(W))

        obslatlabel = tkinter.ttk.Label(comframe, text='Observer Latitude')
        obslatentry = tkinter.ttk.Entry(comframe, textvariable=self.obslat)
        obslatlabel.grid(column=0, row=2, sticky=(W))
        obslatentry.grid(column=1, row=2, sticky=(W))

        obslonlabel = tkinter.ttk.Label(comframe, text='Observer Longitude')
        obslonentry = tkinter.ttk.Entry(comframe, textvariable=self.obslon)
        obslonlabel.grid(column=0, row=3, sticky=(W))
        obslonentry.grid(column=1, row=3, sticky=(W))

        obselelabel = tkinter.ttk.Label(comframe, text='Observer Elevation')
        obseleentry = tkinter.ttk.Entry(comframe, textvariable=self.obsele)
        obselelabel.grid(column=0, row=4, sticky=(W))
        obseleentry.grid(column=1, row=4, sticky=(W))

        skxlabel.grid(column=0, row=1, sticky=(W))
        save = tkinter.ttk.Button(comframe, text="Save",
                                          command=self._save)
        save.grid(column=2, row=2, sticky=(W))


    def __comport(self, comframe):
        ''' Private function to handle the COM port selector.
        '''
        self.comlabel = tkinter.ttk.Label(comframe, text="Select COM port: ")
        self.comlabel.grid(column=0, row=0)
        self.com = tkinter.ttk.Combobox(comframe, textvariable=self.comport)
        self.com['values'] = ('COM3', 'COM6', 'COM7', 'COM8', 'COM9')
        self.com.current(2)
        self.com.grid(column=1, row=0)
        self.connect = tkinter.ttk.Button(comframe, text="Connect",
                                  command=self.__connect)
        self.connect.grid(column=2, row=0)

    def _updateskyxhost(self):
        ''' Update the host in the SkyX singleton
        '''
        sx = skyx.SkyXConnection()
        sx.reconfigure(host=self.skyxhost.get())

    def _save(self):
        with open(path.join(appdatadir, "config.ini"), 'w') as configfile:
            self.config['DEAFULT'] = {'host': self.skyxhost.get(),
                                      'comport': self.comport.get(),
                                      'latitude': self.obslat.get(),
                                       'longitude': self.obslon.get(),
                                       'elevation': self.obsele.get()}
            self.config.write(configfile)

    def __connect(self):
        ''' Get the com port and call connect or disconnect if we are already
            connected
        '''
        if self.uno.isconnected():
            self.uno.disconnect()
            self.connect.config(text="Connect")
        else:
            try:
                self.uno.connect(self.comport.get())
                self.connect.config(text="Disconnect")
            except OSError as errmsg:
                tkinter.messagebox.showinfo("Arduino Error", str(errmsg) +
                                      "\nHint: Check the com port your " +
                                      "arduino is attached to.")


if __name__ == "__main__":
    ROOT = Tk()
    ConfigGUI(ROOT)
    ROOT.mainloop()