如何从 GUI 中编辑的表中提取数据帧？

Question

我应该使用什么策略来让 GUI 选择一个数据集（API Get）将其存储在框架中，并允许编辑数据帧以更新 API（API 补丁）？我最初创建的 GUI 和功能是分开的。一切正常，但如果有人编辑表中的数据框，我无法捕获数据框的更改。

一位同事建议我需要创建一个类来捕获数据帧的状态。

1. 为 GUI 创建一个类。

   a.创建画布。

   b.在画布内为 pandastable Table 创建一个框架。

2. GUI 有标签和按钮来过滤 API Get 请求。

   a.项目和名称过滤器的标签/文本框。

   b.按钮选择要运行的 API Get 请求。

我开始感到困惑了。 选择数据集的按钮应该是函数命令，还是类方法？

import tkinter as tk
from tkinter import *
import pandas as pd
from pandastable import Table, TableModel, config
from drofus import Projects, Items #, RoomTemplates, Items, Rooms

WINDOW_WIDTH = 940
WINDOW_HEIGHT = 500
HEADER_HEIGHT = round(WINDOW_HEIGHT/15, 0)
HEADER_FONT = int(round(WINDOW_HEIGHT/20, 0))
BUTTON_WIDTH = 20

PROJECT = 'Projects'
ITEM = "Items"

def get_project(filter: str) -> pd.DataFrame:
    module = Projects()

    # dRofus API request
    projects = module.filter(filter_api=filter)
    with pd.option_context("future.no_silent_downcasting", True):
        projects.infer_objects(copy=False).drop(projects.iloc[:, 10:19], inplace=True, axis=1)
        projects_revised = projects.rename(columns={'Template Name':'Project'})
        return projects_revised

def get_item():
    pass



class Drofus(Frame):
    """Basic test frame for the table"""

    def __init__(self, parent=None):
        self.parent = parent
        Frame.__init__(self)
        self.main = self.master
        self.main.geometry(f"{WINDOW_WIDTH}x{WINDOW_HEIGHT}")
        self.main.title('Design Standards Database')
        self.canvas = Canvas(self.main,
                             width=WINDOW_WIDTH,
                             height=WINDOW_HEIGHT,
                             background='white',
                             borderwidth=0,
                             highlightthickness=0)
        header_id = self.canvas.create_text(WINDOW_WIDTH / 2, HEADER_HEIGHT, text="Welcome",
                                            font=("Arial", HEADER_FONT, "normal"), fill="dimgrey", anchor='s')
        self.canvas.grid(row=0, column=0, columnspan=4)
        table_frame = Frame(self.main, highlightthickness=5, highlightcolor="orange")
        table_frame.grid(row=0, column=0, padx=40, pady=40)

        df = get_project(filter="None")
        self.table = pt = Table(table_frame,
                                dataframe=df,
                                showtoolbar=False,
                                showstatusbar=True)
        pt.show()

        proj_filter_label = Label(table_frame, text="Project filter")
        proj_filter_label.grid(row=4, column=1, sticky="e")
        name_filter_label = Label(table_frame, text="Name filter")
        name_filter_label.grid(row=5, column=1, sticky="e")

        proj_filter_textbox = Entry(table_frame)
        proj_filter_textbox.grid(row=4, column=2, sticky="w")
        name_filter_textbox = Entry(table_frame)
        name_filter_textbox.grid(row=5, column=2, sticky="w")

        module_options = [PROJECT, ITEM]
        module_variable = StringVar(value=module_options[0])
        module_variable.set("dRofus Module")

        module_dropdown = OptionMenu(table_frame, module_variable, *module_options, command=select_dataset)
        module_dropdown.config(width=BUTTON_WIDTH)
        module_dropdown.grid(row=5, column=3, sticky="w")
        return

def select_dataset(event):
    selected = module_variable.get()

    if select == PROJECT:
        if proj_filter_textbox.get():
            module_filter = proj_filter_textbox.get()
        else:
            module_filter = name_filter_textbox.get()

        get_project(filter=module_filter)

    else:
        module_filter = name_filter_textbox.get()
        get_item()

def main():
    drofus_df = Drofus()
    drofus_df.mainloop()

if __name__ == "__main__":
    main()

请就我是否应该继续使用该类以及“dRofus Module”按钮应该是函数还是类方法提供一些指导。

谢谢你。

Answer 1

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