Repository: jina-ai/jina
File: jina/orchestrate/pods/helper.py (Python)

Code before:

def install_package_dependencies(
        pkg_path: Optional['Path']
) -> None:
    """

    :param pkg_path: package path
    """
    # install the dependencies included in requirements.txt
    if pkg_path:
        requirements_file = pkg_path / 'requirements.txt'

        if requirements_file.exists():
            _install_requirements(requirements_file)


def _get_package_path_from_uses(uses: str) -> Optional['Path']:
    try:
        from jina.jaml.helper import parse_config_source
        from pathlib import Path
        return Path(os.path.dirname(os.path.abspath(uses)))
    except Exception as e:
        # it may be a class or module
        from jina.logging.predefined import default_logger
        default_logger.warning(f'Error getting the directory name from {uses}: Exception {e}. `--install-requirements` option is only valid when `uses` is a configuration file.')
        return None


Review comment (suggestion):
```suggestion
    if isinstance(uses, str) and os.path.exists(uses):
        from pathlib import Path
        return Path(os.path.dirname(os.path.abspath(uses)))
    else:
        from jina.logging.predefined import default_logger
        default_logger.warning(f'Error getting the directory name from {uses}: Exception {e}. `--install-requirements` option is only valid when `uses` is a configuration file.')
        return None
```

Code after:
import multiprocessing
import re
from copy import deepcopy
from functools import partial
from typing import TYPE_CHECKING

from hubble.executor.helper import is_valid_huburi
from hubble.executor.hubio import HubIO

from jina.enums import PodRoleType
from jina.parsers.helper import _update_gateway_args

if TYPE_CHECKING:  # pragma: no cover
    from argparse import Namespace


def _get_event(obj) -> multiprocessing.Event:
    if isinstance(obj, multiprocessing.Process) or isinstance(
            obj, multiprocessing.context.ForkProcess
    ):
        return multiprocessing.Event()
    elif isinstance(obj, multiprocessing.context.SpawnProcess):
        return multiprocessing.get_context('spawn').Event()
    else:
        raise TypeError(f'{obj} is not an instance of "multiprocessing.Process"')


class ConditionalEvent:
    """
    :class:`ConditionalEvent` provides a common interface to an event (multiprocessing or threading event)
    that gets triggered when any of the events provided in input is triggered (OR logic)

    :param events_list: The list of events that compose this composable event
    """

    def __init__(self, events_list):
        super().__init__()
        self.event = None
        self.event = multiprocessing.synchronize.Event(
            ctx=multiprocessing.get_context()
        )
        self.event_list = events_list
        for e in events_list:
            self._setup(e, self._state_changed)

        self._state_changed()

    def _state_changed(self):
        bools = [e.is_set() for e in self.event_list]
        if any(bools):
            self.event.set()
        else:
            self.event.clear()

    def _custom_set(self, e):
        e._set()
        e._state_changed()

    def _custom_clear(self, e):
        e._clear()
        e._state_changed()

    def _setup(self, e, changed_callback):
        e._set = e.set
        e._clear = e.clear
        e._state_changed = changed_callback
        e.set = partial(self._custom_set, e)
        e.clear = partial(self._custom_clear, e)


def update_runtime_cls(args, copy=False) -> 'Namespace':
    """Get runtime_cls as a string from args

    :param args: pod/deployment namespace args
    :param copy: True if args shouldn't be modified in-place
    :return: runtime class as a string
    """
    _args = deepcopy(args) if copy else args

    if _args.runtime_cls == 'WorkerRuntime' and is_valid_huburi(_args.uses):
        _hub_args = deepcopy(_args)
        _hub_args.uri = _args.uses
        _hub_args.no_usage = True
        _args.uses = HubIO(_hub_args).pull()

    if hasattr(_args, 'protocol') and _args.pod_role == PodRoleType.GATEWAY:
        _update_gateway_args(_args)
    if _args.pod_role == PodRoleType.HEAD:
        _args.runtime_cls = 'HeadRuntime'

    return _args