Sublime 2 Package - Property Extractor

Default (Linux).sublime-keymap

[
  { "keys": ["alt+t"], "command": "extractor_command"}
]

Default (OSX).sublime-keymap

[
  { "keys": ["alt+t"], "command": "extractor_command"}
]

Default (Windows).sublime-keymap

[
  { "keys": ["alt+t"], "command": "extractor_command"}
]

Default.sublime-commands

[
  {
    "caption": "Extract Property",
    "command": "extractor_command"
  }
]

PropertyExtractor.py

import sublime, sublime_plugin
import os, re, md5, json

def error(msg): sublime.error_message(msg)
def log(msg): sublime.status_message(msg)

class ExtractorCommandCommand(sublime_plugin.TextCommand):
  def run(self, edit):
    self.edit = edit
    self.region = self.view.sel()[0]

    if self.region.empty():
      self.view.run_command('expand_selection', {'to': 'tag'})
      self.region = self.view.sel()[0]

    os.path.basename(self.view.file_name())
    filename, file_extension = os.path.splitext(self.view.file_name())
    matches = re.search(r"\.([a-z]{2})(_[A-Z]{2})?$", filename)
    if matches:
      self.locale = matches.group(1)
      filename = filename.replace(matches.group(0), '')
    else:
      self.locale = 'en'
    self.properties = filename + '.json'

    self.string = self.view.substr(self.region).encode('utf-8')
    key_name = self.string
    key_name = re.sub(r"\W+", '_', key_name)
    key_name = re.sub(r"_+", '_', key_name)
    key_name = key_name
    if len(key_name) > 30:
        hash = md5.md5(key_name).hexdigest()[0:5]
        key_name = key_name[0:30] + '_' + hash
    key_name = key_name.upper()
    self.view.window().show_input_panel("Key name: ", key_name, self.persist, None, None)

  def persist(self, key_name):
    self.dict = {}
    if os.path.exists(self.properties):
      with open(self.properties) as f:
        lines = f.readlines()
        io = "\n".join(line for line in lines)
        self.dict = json.loads(io)

    if not self.locale in self.dict: self.dict[self.locale] = {}

    self.dict[self.locale][key_name] = self.string
    replacement = "<%- t(" + json.dumps(key_name) + ") %>"
    self.view.replace(self.edit, self.region, replacement)
    with open(self.properties, 'w') as f: f.write(json.dumps(self.dict))