Chapter6-2.py 文件源码

def file_open(self, event=None):
        file_to_open = filedialog.askopenfilename()

        if file_to_open:
            self.open_file = file_to_open
            self.main_text.delete(1.0, tk.END)

            with open(file_to_open, "r") as file_contents:
                file_lines = file_contents.readlines()
                if len(file_lines) > 0:
                    for index, line in enumerate(file_lines):
                        index = float(index) + 1.0
                        self.main_text.insert(index, line)

        self.title(" - ".join([self.WINDOW_TITLE, self.open_file]))

        final_index = self.main_text.index(tk.END)
        final_line_number = int(final_index.split(".")[0])

        for line_number in range(final_line_number):
            line_to_tag = ".".join([str(line_number), "0"])
            self.tag_keywords(None, line_to_tag)