[PATCH] D50307: [clang-rename] make clang-rename.py vim integration python3 compatible

[Jonas Toth via Phabricator via cfe-commits]

JonasToth created this revision.
JonasToth added reviewers: arphaman, klimek.
Herald added a subscriber: cfe-commits.

This patch makes the clang-rename.py script useable for vim with only python3
support. It uses the print-function and adjust the doc slightly to mention
the correct python3 command for the letter mapping in vim.


Repository:
  rC Clang

https://reviews.llvm.org/D50307

Files:
  tools/clang-rename/clang-rename.py


Index: tools/clang-rename/clang-rename.py
===================================================================
--- tools/clang-rename/clang-rename.py
+++ tools/clang-rename/clang-rename.py
@@ -7,17 +7,23 @@
 * `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 print_function
 import vim
 import subprocess
 import sys
@@ -30,8 +36,8 @@
     # 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
 
@@ -51,7 +57,7 @@
     stdout, stderr = p.communicate()
 
     if stderr:
-        print stderr
+        print(stderr)
 
     # Reload all buffers in Vim.
     vim.command("checktime")


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