Sublime Text 3 plugin to wrap long string literals in languages that support + for strings

example.rb

# Converts this
lorem = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque elementum nisl sed consectetur aliquam. Aliquam sit amet magna nec sapien condimentum interdum a non ex. Nam maximus massa sapien, vitae finibus nunc rhoncus quis. Mauris ac mauris a metus tristique sagittis at a purus. Praesent ullamcorper lorem in lorem ornare pretium. Mauris eu purus in turpis luctus gravida. Fusce eget sem facilisis, vulputate odio vel, venenatis libero. Integer et neque at nibh pellentesque mattis. Duis id lacus dui. Quisque auctor pharetra sapien. Nunc porta ultrices dignissim. Etiam et nisi id mauris aliquam fringilla. Cras gravida enim vitae porta molestie. Sed porttitor velit aliquet fermentum posuere."

# To this
lorem = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellente" +
        "sque elementum nisl sed consectetur aliquam. Aliquam sit amet mag" +
        "na nec sapien condimentum interdum a non ex. Nam maximus massa sa" +
        "pien, vitae finibus nunc rhoncus quis. Mauris ac mauris a metus t" +
        "ristique sagittis at a purus. Praesent ullamcorper lorem in lorem" +
        " ornare pretium. Mauris eu purus in turpis luctus gravida. Fusce " +
        "eget sem facilisis, vulputate odio vel, venenatis libero. Integer" +
        " et neque at nibh pellentesque mattis. Duis id lacus dui. Quisque" +
        " auctor pharetra sapien. Nunc porta ultrices dignissim. Etiam et " +
        "nisi id mauris aliquam fringilla. Cras gravida enim vitae porta m" +
        "olestie. Sed porttitor velit aliquet fermentum posuere"

ExampleCommand.py

import sublime
import sublime_plugin

# TODO: Rename this
# TODO: Configure the wrap column
# TODO: Add join and reformat
class ExampleCommand(sublime_plugin.TextCommand):
    WRAP_COLUMN = 75

    def run(self, edit):
        view = self.view
        sel = view.sel()

        literal_region = view.extract_scope(sel[0].begin())
        literal = view.substr(literal_region)
        quote = literal[0]

        if quote != literal[-1]:
            sublime.error_message("Non symmetrical quotes are not supported")
            return

        indent = view.rowcol(literal_region.begin())[1]
        wrap_width = self.WRAP_COLUMN - indent - 2
        if wrap_width < 1:
            sublime.error_message("The literal is too far to the right")
            return

        content = literal[1:-2]
        lines = [content[0 + i:wrap_width + i] for i in range(0, len(content), wrap_width)]
        quoted_lines = ["{0}{1}{0}".format(quote, i) for i in lines]
        replacement = " +\n{0}".format(" " * indent).join(quoted_lines)

        view.replace(edit, literal_region, replacement)