def restart(self):
"""Start or restart the server
If a server is already running, shut it down.
"""
with self.restarting:
self.shutdown()
log.debug('Starting server process: %s' % (self.cmd_string, ))
self._server = subprocess.Popen(self.cmd,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=self.env)
# Might result in "pyenv: version `foo' is not installed (set by
# /cwd/.python-version)" on stderr.
try:
self.version = stream_read(self._server.stdout)
except Exception:
import traceback
from deoplete.exceptions import SourceInitError
out, err = self._server.communicate()
raise SourceInitError(
'Server exited with {}. stderr=[{}], cmd={!r}.\n{}'.format(
self._server.returncode, err.decode(),
' '.join(self.cmd), traceback.format_exc()))
self._count = 0
def __init__(self,
desc_len=0,
short_types=False,
show_docstring=False,
debug=False,
python_path=None):
self._server = None
self.restarting = threading.Lock()
self.version = (0, 0, 0, 'final', 0)
self.env = os.environ.copy()
self.env.update({'PYTHONPATH': self._make_pythonpath()})
if 'VIRTUAL_ENV' in os.environ:
prog = os.path.join(self.env['VIRTUAL_ENV'], 'bin', 'python')
elif python_path:
prog = python_path
else:
prog = 'python'
self.cmd = [prog, '-u', __file__, '--desc-length', str(desc_len)]
if short_types:
self.cmd.append('--short-types')
if show_docstring:
self.cmd.append('--docstrings')
if debug:
self.cmd.extend(
('--debug', debug[0], '--debug-level', str(debug[1])))
try:
self.restart()
except Exception as exc:
from deoplete.exceptions import SourceInitError
raise SourceInitError('Failed to start server ({}): {}'.format(
' '.join(self.cmd), exc))
def __init__(self,
python_path,
desc_len=0,
short_types=False,
show_docstring=False,
debug=False):
self._server = None
self.restarting = threading.Lock()
self.version = (0, 0, 0, 'final', 0)
self.env = os.environ.copy()
self.env.update({'PYTHONPATH': self._make_pythonpath()})
self.cmd = [
python_path, '-u',
os.path.normpath(__file__), '--desc-length',
str(desc_len)
]
if short_types:
self.cmd.append('--short-types')
if show_docstring:
self.cmd.append('--docstrings')
if debug:
self.cmd.extend(
('--debug', debug[0], '--debug-level', str(debug[1])))
# Handle any exceptions from the first server startup, which might
# include PermissionDenied for an invalid python_path.
try:
self.restart()
except Exception as exc:
from deoplete.exceptions import SourceInitError
raise SourceInitError('Failed to start server ({}): {}'.format(
self.cmd_string, exc))