Sublime Text 3 plugin that copies selected lines to the clipboard.

clipboard-lines-copier.py

# The MIT License (MIT)
# Copyright (c) 2016 Leonid Edrenkin
#
# This is a Sublime Text 3 plugin that copies selected lines to the clipboard.

# You should select text lines and apply command:
#   view.run_command('copy_lines_to_clipboard')
#   view.run_command('copy_lines_to_clipboard', {"with_filename": True})
#   view.run_command('copy_lines_to_clipboard', {"with_filename": True, "tabsize" : 4})

import sublime
import sublime_plugin


class CopyLinesToClipboardCommand(sublime_plugin.TextCommand):
  def getDigitLen(num):
    i = 1
    while num > 0:
      num = int(num / 10)
      i += 1
    return i

  def run(self, edit, **args):
    v = self.view
    regions = [ s for s in self.view.sel() if not s.empty() ]

    if len(regions) == 0:
      return

    src_leftmargin = 2
    src_tabsize = 2
    if args.get('tabsize') and args['tabsize'] > 2:
      src_tabsize = args.get('tabsize')

    trail_space_num = -1

    new_lines = []
    for region in regions:
      if region.empty():
        continue

      region = v.full_line(region)
      lines = v.split_by_newlines(region)
      line_start , _ = v.rowcol(region.begin())
      line_end , _ = v.rowcol(region.end())
      line_num = line_start
      for i, line in enumerate(lines):
        line_num += 1
        s = v.substr(line)

        # count trailing spaces
        if len(s.rstrip()) > 0:
          s = s.rstrip()
          spaces = 0
          for c in s:
            if c in ' \t':
              spaces += 1
            else:
              break
          if trail_space_num == -1:
            trail_space_num = spaces
          else:
            trail_space_num = min(spaces, trail_space_num)

        # copy lines
        zero_num = CopyLinesToClipboardCommand.getDigitLen(line_end) - CopyLinesToClipboardCommand.getDigitLen(line_num)
        line_pref = "%s%s%d: " % (" "*src_leftmargin, "0"*zero_num, line_num)
        new_lines.append( [line_pref, s] )

      for i in range(len(lines)):
        new_lines[i][1] = new_lines[i][1][trail_space_num:]
        new_lines[i] = new_lines[i][0] + new_lines[i][1].replace("\t", " "*src_tabsize)

    # paste filename in the beginning
    if args.get('with_filename') and args['with_filename']:
      folders = v.window().folders()
      filename = v.file_name()
      for f in folders:
        if filename.startswith(f):
          filename = filename[len(f) + 1:]
          break
      new_lines.insert(0, "%s:%d" % (filename, line_start))

    sublime.set_clipboard("\n".join(new_lines))