commit 9fa85ec6f751fb060f5dace804dbc3c4c407d77d Author: Damian Johnson atagar@torproject.org Date: Sun Jul 29 13:54:30 2018 -0700

Drop use of distutils by is_available()

Python3 evidently no longer bundles distutils. We only used it in our utils for simplicity, prior to commit 943289db we manually crawled the path. Effectively reverting commit 943289db.

https://trac.torproject.org/projects/tor/ticket/26967 --- stem/util/system.py | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/stem/util/system.py b/stem/util/system.py index 94be6b1f..4bfde995 100644 --- a/stem/util/system.py +++ b/stem/util/system.py @@ -67,7 +67,6 @@ best-effort, providing **None** if the lookup fails. import collections import ctypes import ctypes.util -import distutils.spawn import itertools import mimetypes import multiprocessing @@ -383,17 +382,26 @@ def is_available(command, cached=True): command = command.split(' ')[0]

if command in SHELL_COMMANDS: - # we can't actually look it up, so hope the shell really provides it... - - return True + return True # we can't actually look it up, so hope the shell really provides it... elif cached and command in CMD_AVAILABLE_CACHE: return CMD_AVAILABLE_CACHE[command] elif 'PATH' not in os.environ: return False # lacking a path will cause find_executable() to internally fail - else: - cmd_exists = distutils.spawn.find_executable(command) is not None - CMD_AVAILABLE_CACHE[command] = cmd_exists - return cmd_exists + + cmd_exists = False + + for path in os.environ['PATH'].split(os.pathsep): + cmd_path = os.path.join(path, command) + + if is_windows(): + cmd_path += '.exe' + + if os.path.exists(cmd_path) and os.access(cmd_path, os.X_OK): + cmd_exists = True + break + + CMD_AVAILABLE_CACHE[command] = cmd_exists + return cmd_exists

def is_running(command):