Python API.fileList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 fileList [as 别名]

#.........这里部分代码省略.........
        return index

    # Mark the active selection in the listbox for deletion
    def deleteFile(self):
        # Get the index of the current active selection
        index = self.currentSelectionIndex()
        # Get the filename of the current active selection
        filename = self.area.get(index)
        # Call the API function to mark file for deletion
        self.api.delete(filename)
        # Change the background color of the selection to denote it has been marked for deletion
        self.area.itemconfig(index, {"bg": "salmon"})
        # Append the filename to the toDelete list
        self.toDelete.append(filename)

    # Unmarks the active selection in the listbox for deletion
    def undeleteFile(self):
        # Get the index of the current active selection
        index = self.currentSelectionIndex()
        # Get the filename of the current active selection
        filename = self.area.get(index)
        # See if the file has been marked for deletion
        if filename in self.toDelete:
            # Call the API function to unmark file for deletion
            self.api.undelete(filename)
            # Change the background color of the selection to denote it is no longer marked for deletion
            self.area.itemconfig(index, {"bg": "white"})
            # Remove the filename from the toDelete list
            self.toDelete.remove(filename)

    # Upload a file from local machine to the distributed file system
    def uploadFile(self):
        # Get the file name and file path of the file the user wants to upload
        fileinfo = self.openFile()
        # Create a file with the filename provided
        self.api.create(fileinfo[0])
        # Append the file data from the file at the given file path
        self.api.append(fileinfo[0], fileinfo[1], 1)
        # Once that is complete, refresh the file list in the listbox
        self.getFiles()

    # Prompt the user to select a file
    def openFile(self):
        # Prompt the user to select a file, and store the returned file path
        filepath = tkFileDialog.askopenfilename(**self.file_opt)
        # Parse the filepath, and store the last element of the split as the file name
        filename = filepath.split("/")[-1]
        # Return a list containing the file name and file path
        return [filename, filepath]

    # Get the list of existing files from the master server
    def getFiles(self):
        try:
            # Get the file data using the API's fileList() function
            # At this stage, the data has lots of extra things in it, so it needs to be cleaned up
            data = self.api.fileList()
            # Split the string at every * character
            data = re.split("\*", data)
            # Declare an empty array which will hold the file names found from the parsing
            fileNames = []
            for item in data:
                # Split the element at every ^ character
                tempitem = re.split("\^", item)
                for thing in tempitem:
                    # If the element has a | in it, but is not just a |, then it is the filename
                    if "|" in thing and not thing == "|":
                        # Append the filename (with the | stripped out) to the fileNames list
                        fileNames.append(thing.strip("|"))

            # If the file is marked for deletion and still in the fileNames list
            # keep the file in the toDelete list
            temp = []
            for item in self.toDelete:
                if item in fileNames:
                    temp.append(item)

            # Update the toDelete list
            self.toDelete = temp

            # Remove all entries in the listbox
            self.area.delete(0, END)

            # Populate the listbox with the file names returned from the master
            for item in fileNames:
                self.area.insert(END, item)
                self.checkIfMarked(item)

        except Exception as e:
            raise e

    # Check to see if the provided file name exists in the toDelete list
    def checkIfMarked(self, fileName):
        # If the file name is in the toDelete list
        if fileName in self.toDelete:
            # Change the background color of the element to denote that it has been marked for deletion
            self.area.itemconfig(END, {"bg": "salmon"})

    # An exit function that quits the UI (any additional clean up pre-close should go in here)
    def exitProgram(self):
        self.quit()