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tools: prepare tools/install.py for Python 3 #24800

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tools: prepare tools/install.py for Python 3 #24800

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13 changes: 7 additions & 6 deletions tools/install.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
#!/usr/bin/env python

from __future__ import print_function
import ast
import errno
import os
Expand All @@ -25,27 +26,27 @@ def load_config():
def try_unlink(path):
try:
os.unlink(path)
except OSError, e:
except OSError as e:
if e.errno != errno.ENOENT: raise

def try_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)

def try_mkdir_r(path):
try:
os.makedirs(path)
except OSError, e:
except OSError as e:
if e.errno != errno.EEXIST: raise

def try_rmdir_r(path):
path = abspath(path)
while path.startswith(install_path):
try:
os.rmdir(path)
except OSError, e:
except OSError as e:
if e.errno == errno.ENOTEMPTY: return
if e.errno == errno.ENOENT: return
raise
Expand All @@ -60,14 +61,14 @@ def mkpaths(path, dst):

def try_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
return shutil.copy2(source_path, target_path)

def try_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))

Expand Down