Sublime Text 2/3 command to show result of `git log -p` current file

git-log-p.py

import sublime, sublime_plugin, subprocess

class GitLogPatchCommand(sublime_plugin.TextCommand):
  '''
  Show result of `git log -p` current file

  # Installation

  1. Save to Packages/User/git-log-p.py
  2. Edit Packages/User/User.sublime-commands
  3. Add `{ "caption": "git log -p current file", "command": "git_log_patch" }` and save

  # Usage

  Open file in repository, cmd+ctrl+p, select "git log -p current file"
  '''
  def str(self, s):
      try:
          # Python 2
          return unicode(s, "utf_8")
      except NameError:
          # Python 3
          return str(s, "utf_8")

  def run(self, edit):
    repository_root = self.view.window().folders()[0]
    file_name = self.view.file_name()

    proc = subprocess.Popen(["git", "log", "-p", file_name], stdin = subprocess.PIPE, stdout = subprocess.PIPE, stderr = subprocess.PIPE, cwd = repository_root)
    stdout, stderr = proc.communicate("")

    returncode = proc.wait()
    if returncode != 0:
        sublime.error_message(self.str(stderr))
        raise

    log_view = self.view.window().new_file()
    log_view.set_scratch(True)
    log_view.set_name("git log")
    log_view.insert(edit, 0, self.str(stdout))
    log_view.set_syntax_file('Packages/Git/syntax/Git Commit View.tmLanguage')