def openConfigFile(fileName):
"""open the file, if it doesn't exist, create it, if it doesn't work
exit program with error message"""
try:
f = open(fileName, "r")
except IOError:
try:
with open(fileName, "w") as f:
f.write(CConfigFileParser.ConfigFileDefaultContents)
f.close()
f = open(fileName, "r")
except:
CMyToolbox.errorMessageAndExit("config File %s cannot be read or written!" % fileName)
# here, f should be a valid file handle
return f
def __init__(self, root, config):
Tkinter.Frame.__init__(self, root, padx=20, pady=20)
# define the instance variables
self.root = root
self.config = config
self.buttonwidth = self.calculateButtonWidth()
self.commandButtons = []
self.outputWindow = None
self.outputWindowVisible = True
self.commandThread = CCommandThread()
self.buttonsDisabled = False
"""create the dialog and call the main loop"""
gridwidth = self.config['GridWidth']
self.root.title(self.config['TitleString'])
self.root.resizable(0,0)
self.pack()
# add a title string to the top
label = Tkinter.Label(self, text=self.config['LabelString'].decode("string_escape"))
label.grid(row=0, columnspan=gridwidth, pady=(0, 20))
# add the buttons for the system command
nextrow = self.addButtons() + 1
self.outputWindow = Tkinter.Text(self, width=1, height=15)
self.outputWindow.grid(row=nextrow, column=0, columnspan=gridwidth, pady=(20, 0), sticky="WENS")
# show the output window?
if(config["ShowCommandOutput"]==0):
self.toggleOutputWindow()
nextrow += 1
# add a close-button at left center
button = Tkinter.Button(self, text="Close", command=(lambda: CMyToolbox.exitProgram(0)), width=self.buttonwidth)
button.grid(row=nextrow, column=gridwidth-1, pady=(20, 0))
# update GUI periodically
self.master.after(self.UpdateInterval, self.updateGUI)
