vim: update clang-rename

.vim/syntax/clang-rename.py

@@ -1,4 +1,4 @@
-'''
+"""
 Minimal clang-rename integration with Vim.
 
 Before installing make sure one of the following is satisfied:
@@ -7,55 +7,64 @@ Before installing make sure one of the following is satisfied:
 * `g:clang_rename_path` in ~/.vimrc points to valid clang-rename executable
 * `binary` in clang-rename.py points to valid to clang-rename executable
 
-To install, simply put this into your ~/.vimrc
+To install, simply put this into your ~/.vimrc for python2 support
 
     noremap <leader>cr :pyf <path-to>/clang-rename.py<cr>
 
+For python3 use the following command (note the change from :pyf to :py3f)
+
+    noremap <leader>cr :py3f <path-to>/clang-rename.py<cr>
+
 IMPORTANT NOTE: Before running the tool, make sure you saved the file.
 
 All you have to do now is to place a cursor on a variable/function/class which
 you would like to rename and press '<leader>cr'. You will be prompted for a new
 name if the cursor points to a valid symbol.
-'''
+"""
 
+from __future__ import absolute_import, division, print_function
 import vim
 import subprocess
 import sys
 
+
 def main():
-    binary = 'clang-rename'
+    binary = "clang-rename"
     if vim.eval('exists("g:clang_rename_path")') == "1":
-        binary = vim.eval('g:clang_rename_path')
+        binary = vim.eval("g:clang_rename_path")
 
     # Get arguments for clang-rename binary.
     offset = int(vim.eval('line2byte(line("."))+col(".")')) - 2
     if offset < 0:
-        print >> sys.stderr, '''Couldn\'t determine cursor position.
-                                Is your file empty?'''
+        print(
+            "Couldn't determine cursor position. Is your file empty?", file=sys.stderr
+        )
         return
     filename = vim.current.buffer.name
 
-    new_name_request_message = 'type new name:'
+    new_name_request_message = "type new name:"
     new_name = vim.eval("input('{}\n')".format(new_name_request_message))
 
     # Call clang-rename.
-    command = [binary,
-               filename,
-               '-i',
-               '-offset', str(offset),
-               '-new-name', str(new_name)]
+    command = [
+        binary,
+        filename,
+        "-i",
+        "-offset",
+        str(offset),
+        "-new-name",
+        str(new_name),
+    ]
     # FIXME: make it possible to run the tool on unsaved file.
-    p = subprocess.Popen(command,
-                         stdout=subprocess.PIPE,
-                         stderr=subprocess.PIPE)
+    p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     stdout, stderr = p.communicate()
 
     if stderr:
-        print stderr
+        print(stderr)
 
     # Reload all buffers in Vim.
     vim.command("checktime")
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()