import os

import sys

from jedi.evaluate.sys_path import get_venv_path, detect_additional_paths

from jedi.cache import underscore_memoization

class Project(object):

def __init__(self, sys_path=None):

if sys_path is not None:

self._sys_path = sys_path

venv = os.getenv('VIRTUAL_ENV')

if venv:

sys_path = get_venv_path(venv)

if sys_path is None:

sys_path = sys.path

base_sys_path = list(sys_path)

try:

base_sys_path.remove('')

except ValueError:

pass

self._base_sys_path = base_sys_path

def add_script_path(self, script_path):

self._script_path = script_path

def add_evaluator(self, evaluator):

self._evaluator = evaluator

@property

@underscore_memoization

def sys_path(self):

if self._script_path is None:

return self._base_sys_path

return self._base_sys_path + detect_additional_paths(self._evaluator, self._script_path)