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Script to download the entire plugin repository :)

1. Create a new folder/directory and download the below script to it
2. Create two new folders, plugins and extracted (I couldn't be bothered to make the script check & create them itself)
3. Run the script (Python 3). It may not be the most efficient process, as it downloads & extracts one by one, but it only took around 5 mins for me. That's 5 mins waiting or the 40 mins I could have spent trying to make it a fast script...

Using ripgrep to search every plugin for a string

On Linux, I used ripgrep which is a very fast searching tool - it matches practically instantly against the whole repo.

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Setting up the native Marlin Simulator and connecting to OctoPrint

This details the steps I had to go through to get this up & running on & connected to OctoPrint. It provides a GUI to simulate the printer, supporting a subset of the Marlin features. You can connect to it via OctoPrint, but it requires a small patch.

Windows Setup

Dependencies

1. Git checkout of Marlin, setup with AutoBuildMarlin/Platformio in VS Code.

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version: '2.4'

services:
  octoprint:
    image: octoprint/octoprint
    restart: unless-stopped
    ports:
      - 80:80
    # devices:
    #  - /dev/ttyACM0:/dev/ttyACM0

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from __future__ import absolute_import, unicode_literals

import octoprint.plugin
import threading

class BackupTestPlugin(octoprint.plugin.StartupPlugin):
    def on_after_startup(self):
        # waits for a minute, then tries to create a backup
        t = threading.Timer(interval=60, function=self.create_backup)
        t.daemon = True

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# -*- coding: utf-8 -*-
from __future__ import absolute_import, unicode_literals
import re

import octoprint.plugin

TIME_REMAINING_THRESHOLD = 2  # mins
COOLDOWN_COMMAND = "M140 S0"

M73_R_REGEX = re.compile(r"R(\d*)")

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Adding python-versioneer to an OctoPrint plugin

This guide uses Gina's custom versioneer that allows for different branches to be versioned automatically, using a lookup file. If you want to use mainline versioneer, most of this applies with the exception of the lookupfile sections.

1. Download Gina's custom versioneer.py file from the OctoPrint repository
2. Add it to the project root of your plugin, eg OctoPrint-WS281x_LED_Status/versioneer.py
3. Add the configuration:
   • setup.cfg:

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# Use this file to configure your wifi connection(s).
#
# Just uncomment the lines prefixed with a single # of the configuration
# that matches your wifi setup and fill in SSID and passphrase.
#
# You can configure multiple wifi connections by adding more 'network'
# blocks.
#
# See https://linux.die.net/man/5/wpa_supplicant.conf
# (or 'man -s 5 wpa_supplicant.conf') for advanced options going beyond

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import time
import os
import sqlite3
from datetime import datetime

class TPLinkTest:
    def __init__(self):
        self.init_time = time.time()
        print("[{}] Init".format(self.init_time))
        self.db_path = 'test.db'