Use jedi Interpreter and preload installed packages

Author: danzvara

pyls/workspace.py

@@ -133,6 +133,7 @@ def __init__(self, uri, workspace, source=None, version=None, local=True, extra_
 
  jedi.settings.cache_directory = '.cache/jedi/'
  jedi.settings.use_filesystem_cache = True
+ jedi.settings.auto_import_modules = ['numpy', 'pandas', 'scipy', 'matplotlib', 'scikit-learn', 'requests' ]
 
  def __str__(self):
  return str(self.uri)
@@ -237,19 +238,21 @@ def jedi_script(self, position=None):
  environment = self.get_enviroment(environment_path) if environment_path else None
  sys_path = self.sys_path(environment_path) + extra_paths
  project_path = self._workspace.root_path
+ import __main__
 
  kwargs = {
  'code': self.source,
- 'path': self.path,
- 'environment': environment,
- 'project': jedi.Project(path=project_path, sys_path=sys_path),
+ #'path': self.path,
+ #'environment': environment,
+ #'project': jedi.Project(path=project_path, sys_path=sys_path),
+ 'namespaces': [__main__.__dict__],
  }
 
  if position:
  # Deprecated by Jedi to use in Script() constructor
  kwargs += _utils.position_to_jedi_linecolumn(self, position)
 
- return jedi.Script(**kwargs)
+ return jedi.Interpreter(**kwargs)
 
  def get_enviroment(self, environment_path=None):
  # TODO(gatesn): #339 - make better use of jedi environments, they seem pretty powerful