Sublime Text 3 commands to turn on/off/toggle Flake8Lint E501 (line to long) check

command_e501.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Sublime Text 3 commands to turn on/off/toggle Flake8Lint E501 (line to long) check.

IF current file (view) is in a project:
    Change will be saved to the project settings (in .sublime-project file).
Else:
    Change will only temporarily affect current file (view).

How to use:
Save to your "/Sublime Text 3/Packages/User" directory.
"""

import sublime
import sublime_plugin


class E501EnableCommand(sublime_plugin.TextCommand):

    def run(self, edit):
        to_enable = True

        window = self.view.window()
        if window.project_file_name():
            is_project = True
        else:
            is_project = False

        g_f8l_settings = sublime.load_settings('Flake8Lint.sublime-settings')
        g_ignores = g_f8l_settings.get('ignore', [])

        view_settings = self.view.settings()
        v_f8l_settings = view_settings.get('flake8lint', {})
        v_ignores = v_f8l_settings.get('ignore', [])

        ignores = list(set(g_ignores + v_ignores))

        disabled = 'E501' in ignores
        enabled = not disabled

        if to_enable:
            try:
                ignores.remove('E501')
            except ValueError:
                pass
            message = "E501 Warning: enabled"
        else:
            ignores.append('E501')
            message = "E501 Warning: disabled"

        v_f8l_settings['ignore'] = ignores

        if is_project:
            project_data = window.project_data()
            project_settings = project_data.get('settings', {})
            project_settings['flake8lint'] = v_f8l_settings
            project_data['settings'] = project_settings
            window.set_project_data(project_data)
        else:
            view_settings.set('flake8lint', v_f8l_settings)

        old_status = "enabled" if enabled else "disabled"
        new_status = "enabled" if to_enable else "disabled"
        message = "E501 Warning: {} -> {}".format(old_status, new_status)
        sublime.status_message(message)


class E501DisableCommand(sublime_plugin.TextCommand):

    def run(self, edit):
        to_enable = False

        window = self.view.window()
        if window.project_file_name():
            is_project = True
        else:
            is_project = False

        g_f8l_settings = sublime.load_settings('Flake8Lint.sublime-settings')
        g_ignores = g_f8l_settings.get('ignore', [])

        view_settings = self.view.settings()
        v_f8l_settings = view_settings.get('flake8lint', {})
        v_ignores = v_f8l_settings.get('ignore', [])

        ignores = list(set(g_ignores + v_ignores))

        disabled = 'E501' in ignores
        enabled = not disabled

        if to_enable:
            try:
                ignores.remove('E501')
            except ValueError:
                pass
            message = "E501 Warning: enabled"
        else:
            ignores.append('E501')
            message = "E501 Warning: disabled"

        v_f8l_settings['ignore'] = ignores

        if is_project:
            project_data = window.project_data()
            project_settings = project_data.get('settings', {})
            project_settings['flake8lint'] = v_f8l_settings
            project_data['settings'] = project_settings
            window.set_project_data(project_data)
        else:
            view_settings.set('flake8lint', v_f8l_settings)

        old_status = "enabled" if enabled else "disabled"
        new_status = "enabled" if to_enable else "disabled"
        message = "E501 Warning: {} -> {}".format(old_status, new_status)
        sublime.status_message(message)


class E501ToggleCommand(sublime_plugin.TextCommand):

    def run(self, edit):
        window = self.view.window()
        if window.project_file_name():
            is_project = True
        else:
            is_project = False

        g_f8l_settings = sublime.load_settings('Flake8Lint.sublime-settings')
        g_ignores = g_f8l_settings.get('ignore', [])

        view_settings = self.view.settings()
        v_f8l_settings = view_settings.get('flake8lint', {})
        v_ignores = v_f8l_settings.get('ignore', [])

        ignores = list(set(g_ignores + v_ignores))

        disabled = 'E501' in ignores
        enabled = not disabled

        to_enable = not enabled

        if to_enable:
            try:
                ignores.remove('E501')
            except ValueError:
                pass
            message = "E501 Warning: enabled"
        else:
            ignores.append('E501')
            message = "E501 Warning: disabled"

        v_f8l_settings['ignore'] = ignores

        if is_project:
            project_data = window.project_data()
            project_settings = project_data.get('settings', {})
            project_settings['flake8lint'] = v_f8l_settings
            project_data['settings'] = project_settings
            window.set_project_data(project_data)
        else:
            view_settings.set('flake8lint', v_f8l_settings)

        old_status = "enabled" if enabled else "disabled"
        new_status = "enabled" if to_enable else "disabled"
        message = "E501 Warning: {} -> {}".format(old_status, new_status)
        sublime.status_message(message)

command_e501.sublime-commands

[{
  "caption": "E501 Warning: Disable",
  "command": "e501_disable"
}, {
  "caption": "E501 Warning: Enable",
  "command": "e501_enable"
}, {
  "caption": "E501 Warning: Toggle",
  "command": "e501_toggle"
}]