diff options
Diffstat (limited to 'Lib/subprocess.py')
| -rw-r--r-- | Lib/subprocess.py | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Lib/subprocess.py b/Lib/subprocess.py index 614de40..8e44998 100644 --- a/Lib/subprocess.py +++ b/Lib/subprocess.py @@ -1200,8 +1200,12 @@ class Popen(object): # and pass it to fork_exec() if env is not None: - env_list = [os.fsencode(k) + b'=' + os.fsencode(v) - for k, v in env.items()] + env_list = [] + for k, v in env.items(): + k = os.fsencode(k) + if b'=' in k: + raise ValueError("illegal environment variable name") + env_list.append(k + b'=' + os.fsencode(v)) else: env_list = None # Use execv instead of execve. executable = os.fsencode(executable) |