Python API.read方法代码示例

# 需要导入模块: from API import API [as 别名]
# 或者: from API.API import read [as 别名]
class GUI(Frame):
    # In intialize the object, taking in the parent as in input parameter
    def __init__(self, parent):
        Frame.__init__(self, parent)
        # Initialize the api
        self.api = API()
        # Set the ip and port to communicate with the master server
        self.SERVER_IP = config.masterip
        self.SERVER_PORT = config.port
        # Set the initial server status to 0, will change to 1 if server is active
        # self.serverStatus = 0
        # Declare a list which will hold the files that have been flagged for deletion
        self.toDelete = []

        self.parent = parent
        # Initialize the GUI
        self.initUI()

    # Function to initialize UI
    def initUI(self):
        # Set the name of the UI window
        self.parent.title("Bennington File System Client")
        # Set the style using the default theme
        self.style = Style()
        self.style.theme_use("default")
        self.pack(fill=BOTH, expand=1)

        # Set the "Open File" options
        self.file_opt = options = {}
        # Allow for any file to be choosable
        options["defaultextension"] = ""
        options["filetypes"] = ""
        # Set the directory window will open up to initially
        options["initialdir"] = "C:\\"
        options["parent"] = self

        # Create a label object which holds the text labeling the listbox
        lbl = Label(self, text="Bennington File System Files List", foreground="black")
        # Place the text in the top left
        lbl.grid(column=0, row=0, pady=4, padx=5)

        # Create the listbox, which will contain a list of all the files on the system
        self.area = Listbox(self, height=20)
        # Place the lisbox in the UI frame
        self.area.grid(row=1, column=0, columnspan=1, rowspan=10, padx=5, sticky=N + W + E + S)

        # Ask the master server which files it has, then populate the listbox with the response
        self.getFiles()

        # Create a button labeled 'Upload', and bind the uploadFile() function to it
        uploadbtn = Button(self, text="Upload", command=self.uploadFile)
        # Place the button in the UI frame
        uploadbtn.grid(row=1, column=3)

        # Create a button labeled 'Download', and bind the downloadFile() function to it
        dwnbtn = Button(self, text="Download", command=self.downloadFile)
        # Place the button in the UI frame
        dwnbtn.grid(row=2, column=3)

        # Create a button labeled 'Delete', and bind the deleteFile() function to it
        delbtn = Button(self, text="Delete", command=self.deleteFile)
        # Place the button in the UI frame
        delbtn.grid(row=3, column=3)

        # Create a button labeled 'Undelete', and bind the undeleteFile() function to it
        undelbtn = Button(self, text="Undelete", command=self.undeleteFile)
        # Place the button in the UI frame
        undelbtn.grid(row=4, column=3)

        # Create a button labeled 'Refresh List', and bind the getFiles() function to it
        refbtn = Button(self, text="Refresh List", command=self.getFiles)
        # Place the button in the UI frame
        refbtn.grid(row=5, column=3)

        # Create a button labeled 'Quit', and bind the exitProgram() function to it
        quitButton = Button(self, text="Quit", command=self.exitProgram)
        # Place the button in the UI frame
        quitButton.grid(sticky=W, padx=5, pady=4)

    # Downloads the active selection in the listbox
    def downloadFile(self):
        # Get the filename from the active listbox item
        fileName = self.currentSelectionFileName()
        # Call the API read function to get all the data associated with that file
        self.api.read(fileName, 0, -1, fileName)

    # Get the file name of the active selection in the listbox
    def currentSelectionFileName(self):
        # Get the index of the active selection
        index = self.currentSelectionIndex()
        # From the listbox object, pass in the index to get the filename
        fileName = self.area.get(index)
        return fileName

    # Get the index of the active selection in the listbox
    def currentSelectionIndex(self):
        # Get the index of the active selection
        index = self.area.curselection()[0]
        return index

#.........这里部分代码省略.........