def execvpe(self):
"""Convenience method exec's the command replacing the current process.
Returns:
Does not return. May raise an OSError though.
"""
args = copy(self._args)
if self._shell:
assert len(args) == 1
if _is_windows():
# The issue here is that in Lib/subprocess.py in
# the Python distribution, if shell=True the code
# jumps through some funky hoops setting flags on
# the Windows API calls. We need to do that, rather
# than calling os.execvpe which doesn't let us set those
# flags. So we spawn the child and then exit.
self.popen()
sys.exit(0)
else:
# this is all shell=True does on unix
args = ['/bin/sh', '-c'] + args
try:
old_dir = os.getcwd()
os.chdir(self._cwd)
sys.stderr.flush()
sys.stdout.flush()
_verbose_logger().info("$ %s", " ".join(args))
os.execvpe(args[0], args, self._env)
finally:
# avoid side effect if exec fails (or is mocked in tests)
os.chdir(old_dir)
def execvpe(self):
"""Convenience method exec's the command replacing the current process.
Returns:
Does not return. May raise an OSError though.
"""
conda_prefix = self.env.get('CONDA_PREFIX', False)
if conda_prefix:
# make sure to add any Conda Environment variables to the environ
conda_env_vars = conda_api.get_env_vars(conda_prefix)
for k, v in conda_env_vars.items():
# by only updating non-existant variables
# the variables in anaconda-project.yml take
# precedence over any that were set in the env itself.
if k not in self.env:
self.env[k] = v
args = copy(self._args)
if self._shell:
assert len(args) == 1
if _is_windows():
# The issue here is that in Lib/subprocess.py in
# the Python distribution, if shell=True the code
# jumps through some funky hoops setting flags on
# the Windows API calls. We need to do that, rather
# than calling os.execvpe which doesn't let us set those
# flags. So we spawn the child and then exit.
sys.exit(self.popen().wait())
else:
# this is all shell=True does on unix
args = ['/bin/sh', '-c'] + args
try:
old_dir = os.getcwd()
os.chdir(self._cwd)
sys.stderr.flush()
sys.stdout.flush()
_verbose_logger().info("$ %s", " ".join(args))
os.execvpe(args[0], args, self._env)
finally:
# avoid side effect if exec fails (or is mocked in tests)
os.chdir(old_dir)
def _log_args(args):
log = verbose._verbose_logger()
log.info("$ %s", " ".join(args))