tools: prepare tools/install.py for Python 3

PR-URL: #24800
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

Author: cclauss

tools/install.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+from __future__ importprint_function
 importast
 importerrno
 importos
@@ -25,27 +26,27 @@ def load_config():
 deftry_unlink(path):
 try:
 os.unlink(path)
-exceptOSError,e:
+exceptOSErrorase:
 ife.errno!=errno.ENOENT: raise
 
 deftry_symlink(source_path, link_path):
-print'symlinking %s -> %s'% (source_path, link_path)
+print('symlinking %s -> %s'% (source_path, link_path))
 try_unlink(link_path)
 try_mkdir_r(os.path.dirname(link_path))
 os.symlink(source_path, link_path)
 
 deftry_mkdir_r(path):
 try:
 os.makedirs(path)
-exceptOSError,e:
+exceptOSErrorase:
 ife.errno!=errno.EEXIST: raise
 
 deftry_rmdir_r(path):
 path=abspath(path)
 whilepath.startswith(install_path):
 try:
 os.rmdir(path)
-exceptOSError,e:
+exceptOSErrorase:
 ife.errno==errno.ENOTEMPTY: return
 ife.errno==errno.ENOENT: return
 raise
@@ -60,14 +61,14 @@ def mkpaths(path, dst):
 
 deftry_copy(path, dst):
 source_path, target_path=mkpaths(path, dst)
-print'installing %s'%target_path
+print('installing %s'%target_path)
 try_mkdir_r(os.path.dirname(target_path))
 try_unlink(target_path) # prevent ETXTBSY errors
 returnshutil.copy2(source_path, target_path)
 
 deftry_remove(path, dst):
 source_path, target_path=mkpaths(path, dst)
-print'removing %s'%target_path
+print('removing %s'%target_path)
 try_unlink(target_path)
 try_rmdir_r(os.path.dirname(target_path))