def _get_subprocess(self):
if self._subprocess is not None and not self._subprocess.is_crashed:
return self._subprocess
try:
self._subprocess = CompiledSubprocess(self._start_executable,
env_vars=self._env_vars)
info = self._subprocess._send(None, _get_info)
except Exception as exc:
raise InvalidPythonEnvironment(
"Could not get version information for %r: %r" %
(self._start_executable, exc))
# Since it could change and might not be the same(?) as the one given,
# set it here.
self.executable = info[0]
"""
The Python executable, matches ``sys.executable``.
"""
self.path = info[1]
"""
The path to an environment, matches ``sys.prefix``.
"""
self.version_info = _VersionInfo(*info[2])
"""
Like :data:`sys.version_info`: a tuple to show the current
Environment's Python version.
"""
return self._subprocess
def _get_subprocess(self):
if self._subprocess is not None and not self._subprocess.is_crashed:
return self._subprocess
try:
self._subprocess = CompiledSubprocess(self._start_executable)
info = self._subprocess._send(None, _get_info)
except Exception as exc:
raise InvalidPythonEnvironment(
"Could not get version information for %r: %r" % (
self._start_executable,
exc))
# Since it could change and might not be the same(?) as the one given,
# set it here.
self.executable = info[0]
"""
The Python executable, matches ``sys.executable``.
"""
self.path = info[1]
"""
The path to an environment, matches ``sys.prefix``.
"""
self.version_info = _VersionInfo(*info[2])
"""
Like ``sys.version_info``. A tuple to show the current Environment's
Python version.
"""
# py2 sends bytes via pickle apparently?!
if self.version_info.major == 2:
self.executable = self.executable.decode()
self.path = self.path.decode()
# Adjust pickle protocol according to host and client version.
self._subprocess._pickle_protocol = highest_pickle_protocol([
sys.version_info, self.version_info])
return self._subprocess
class Environment(_BaseEnvironment):
"""
This class is supposed to be created by internal Jedi architecture. You
should not create it directly. Please use create_environment or the other
functions instead. It is then returned by that function.
"""
_subprocess = None
def __init__(self, executable):
self._start_executable = executable
# Initialize the environment
self._get_subprocess()
def _get_subprocess(self):
if self._subprocess is not None and not self._subprocess.is_crashed:
return self._subprocess
try:
self._subprocess = CompiledSubprocess(self._start_executable)
info = self._subprocess._send(None, _get_info)
except Exception as exc:
raise InvalidPythonEnvironment(
"Could not get version information for %r: %r" %
(self._start_executable, exc))
# Since it could change and might not be the same(?) as the one given,
# set it here.
self.executable = info[0]
"""
The Python executable, matches ``sys.executable``.
"""
self.path = info[1]
"""
The path to an environment, matches ``sys.prefix``.
"""
self.version_info = _VersionInfo(*info[2])
"""
Like ``sys.version_info``. A tuple to show the current Environment's
Python version.
"""
# py2 sends bytes via pickle apparently?!
if self.version_info.major == 2:
self.executable = self.executable.decode()
self.path = self.path.decode()
# Adjust pickle protocol according to host and client version.
self._subprocess._pickle_protocol = highest_pickle_protocol(
[sys.version_info, self.version_info])
return self._subprocess
def __repr__(self):
version = '.'.join(str(i) for i in self.version_info)
return '<%s: %s in %s>' % (self.__class__.__name__, version, self.path)
def get_inference_state_subprocess(self, inference_state):
return InferenceStateSubprocess(inference_state,
self._get_subprocess())
@memoize_method
def get_sys_path(self):
"""
The sys path for this environment. Does not include potential
modifications like ``sys.path.append``.
:returns: list of str
"""
# It's pretty much impossible to generate the sys path without actually
# executing Python. The sys path (when starting with -S) itself depends
# on how the Python version was compiled (ENV variables).
# If you omit -S when starting Python (normal case), additionally
# site.py gets executed.
return self._get_subprocess().get_sys_path()
