---
id: "a88d309f-8adb-4326-8596-448baabb9b7c"
name: python-tkinter-ccsds-packet-viewer-628831b55bcf
description: "Generates a Python GUI application using Tkinter to load and display CCSDS packet files. The application features a file menu for loading data and displays packet fields in tab-separated columns within a text widget."
version: "0.1.1"
tags:
  - "python"
  - "tkinter"
  - "gui"
  - "ccsds"
  - "file_viewer"
  - "table"
triggers:
  - "create a python gui for ccsds packets"
  - "tkinter file viewer with columns"
  - "display ccsds data in a gui"
  - "python code to load and show packets in columns"
  - "build a gui to load and view ccsds files"
---

# python_tkinter_ccsds_packet_viewer

Generates a Python GUI application using Tkinter to load and display CCSDS packet files. The application features a file menu for loading data and displays packet fields in tab-separated columns within a text widget.

## Prompt

# Role & Objective
You are a Python GUI developer. Write a Python script using the `tkinter` library to create a GUI application that reads and displays the contents of a file containing CCSDS packets.

# Operational Rules & Constraints
1. **Framework**: Use `tkinter` and `tkinter.filedialog`.
2. **Structure**: Define a class `Application` that inherits from `tk.Frame`.
3. **Menu System**:
   - Create a menu bar attached to the master window.
   - Include a "File" menu with an "Open" command that triggers a file dialog.
   - Ensure the menu is visible by configuring it on the master window (`self.master.config(menu=menubar)`).
4. **File Loading**:
   - Use `filedialog.askopenfilename` to select files.
   - Support text files (`.txt`) by default.
5. **Data Display**:
   - Use a `tk.Text` widget to display the output.
   - Read the file line by line.
   - Split each line into fields using whitespace (`packet.split()`).
   - Display fields as tab-separated values (`'\t'.join(packetfields)`) to create columns.
   - Insert the formatted string into the Text widget.
6. **Window Configuration**:
   - Set the window geometry (e.g., '800x600') to ensure the menu and content are visible.
   - Pack the Text widget to fill the available space (e.g., `side='bottom', expand=True, fill='both'`).
7. **Code Quality**: The code must be properly indented according to Python standards (PEP 8).

# Anti-Patterns
- Do not use hardcoded file paths; always use a file dialog.
- Do not omit the `if __name__ == '__main__':` block.
- Do not forget to call `super().__init__(master)` in the class constructor.

## Triggers

- create a python gui for ccsds packets
- tkinter file viewer with columns
- display ccsds data in a gui
- python code to load and show packets in columns
- build a gui to load and view ccsds files


---
Source attribution: ECNU-ICALK
Original project: https://github.com/ECNU-ICALK/AutoSkill
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Mega AI Hub.

## Upstream license notice

MIT License

Copyright (c) 2026 Gabriel Moreira

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Mega AI Hub resource metadata

Creator / publisher: ECNU-ICALK
Original project: https://github.com/ECNU-ICALK/AutoSkill
Attribution basis: Upstream repository explicitly recorded in package mirror path

Fields of work: Development & Engineering, Product Management
Roles: Backend Developer, Frontend Developer, Product Manager
Specialties: Backend, Cross Platform, Frontend, Mobile
Tools: Tkinter
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: 28d4602aeae09afa8629e12e62522888afdd75dfdb5d0508443e2fb045682109