def multiprocessing_engine(self, pool_size=None):
storage = Storage.create(debug=True, in_memory=False)
cache = Cache.create(storage=storage)
with closing(LocalMultiprocessEngine(self.scheduler, storage, cache,
pool_size=pool_size, debug=True)) as e:
e.start()
yield e
def __init__(self,
scheduler,
storage=None,
cache=None,
use_cache=True,
include_trace_on_error=True):
"""
:param scheduler: The local scheduler for creating execution graphs.
:type scheduler: :class:`pants.engine.scheduler.LocalScheduler`
:param storage: The storage instance for serializables keyed by their hashes.
:type storage: :class:`pants.engine.storage.Storage`
:param cache: The cache instance for storing execution results, by default it uses the same
Storage instance if not specified.
:type cache: :class:`pants.engine.storage.Cache`
:param use_cache: True to enable usage of the cache. The cache incurs a large amount of
overhead for small tasks, and needs TODO: further improvement.
:type use_cache: bool
:param include_trace_on_error: Include the trace through the graph upon encountering errors.
:type include_trace_on_error: bool
"""
self._include_trace_on_error = include_trace_on_error
self._scheduler = scheduler
self._storage = storage or Storage.create()
self._cache = cache or Cache.create(storage)
self._use_cache = use_cache
def multiprocessing_engine(self, pool_size=None):
storage = Storage.create(debug=True, in_memory=False)
cache = Cache.create(storage=storage)
with closing(LocalMultiprocessEngine(self.scheduler, storage, cache,
pool_size=pool_size, debug=True)) as e:
e.start()
yield e
def hybrid_engine(self, pool_size=None):
async_nodes = (FilesystemNode,)
storage = Storage.create(in_memory=True)
cache = Cache.create(storage=storage)
with closing(ThreadHybridEngine(self.scheduler, storage,
threaded_node_types=async_nodes, cache=cache,
pool_size=pool_size, debug=True)) as e:
yield e
def _process_initializer(storage):
"""Another picklable top-level function that provides multi-processes' initial states.
States are returned as a tuple. States are `Closable` so they can be cleaned up once
processes are done.
"""
storage = Storage.clone(storage)
return (storage, Cache.create(storage=storage))
def setUp(self):
build_root = os.path.join(os.path.dirname(__file__), 'examples',
'scheduler_inputs')
self.scheduler, self.storage = setup_json_scheduler(build_root,
debug=True)
self.cache = Cache.create(Storage.create())
self.java = Address.parse('src/java/codegen/simple')
def setUp(self):
"""Setup cache as well as request and result."""
self.storage = Storage.create()
self.cache = Cache.create(storage=self.storage)
self.request = Runnable(func=_runnable,
args=('this is an arg', ),
cacheable=True)
self.result = 'something'
def _process_initializer(storage): """Another picklable top-level function that provides multi-processes' initial states. States are returned as a tuple. States are `Closable` so they can be cleaned up once processes are done. """ storage = Storage.clone(storage) return (storage, Cache.create(storage=storage))
def hybrid_engine(self, pool_size=None):
async_nodes = (FilesystemNode,)
storage = Storage.create(debug=True, in_memory=False)
cache = Cache.create(storage=storage)
with closing(ThreadHybridEngine(self.scheduler, storage,
threaded_node_types=async_nodes, cache=cache,
pool_size=pool_size, debug=True)) as e:
e.start()
yield e
def setUp(self):
"""Setup cache as well as request and result."""
self.storage = Storage.create()
self.cache = Cache.create(storage=self.storage)
request = StepRequest(step_id=123,
node='some node',
dependencies={'some dep': 'some state',
'another dep': 'another state'},
inline_nodes=False,
project_tree='some project tree')
self.result = StepResult(state='something')
self.keyed_request = self.storage.key_for_request(request)
def setUp(self):
"""Setup cache as well as request and result."""
self.storage = Storage.create(in_memory=True)
self.cache = Cache.create(storage=self.storage)
request = StepRequest(
step_id=123,
node="some node",
dependencies={"some dep": "some state", "another dep": "another state"},
project_tree="some project tree",
)
self.result = StepResult(state="something")
self.keyed_request = self.storage.key_for_request(request)
def __init__(self, scheduler, storage=None, cache=None):
"""
:param scheduler: The local scheduler for creating execution graphs.
:type scheduler: :class:`pants.engine.scheduler.LocalScheduler`
:param storage: The storage instance for serializables keyed by their hashes.
:type storage: :class:`pants.engine.storage.Storage`
:param cache: The cache instance for storing execution results, by default it uses the same
Storage instance if not specified.
:type cache: :class:`pants.engine.storage.Cache`
"""
self._scheduler = scheduler
self._storage = storage or Storage.create()
self._cache = cache or Cache.create(storage)
def __init__(self, scheduler, storage=None, cache=None):
"""
:param scheduler: The local scheduler for creating execution graphs.
:type scheduler: :class:`pants.engine.scheduler.LocalScheduler`
:param storage: The storage instance for serializables keyed by their hashes.
:type storage: :class:`pants.engine.storage.Storage`
:param cache: The cache instance for storing execution results, by default it uses the same
Storage instance if not specified.
:type cache: :class:`pants.engine.storage.Cache`
"""
self._scheduler = scheduler
self._storage = storage or Storage.create()
self._cache = cache or Cache.create(storage)
def __init__(self, scheduler, storage=None, cache=None, use_cache=True):
"""
:param scheduler: The local scheduler for creating execution graphs.
:type scheduler: :class:`pants.engine.scheduler.LocalScheduler`
:param storage: The storage instance for serializables keyed by their hashes.
:type storage: :class:`pants.engine.storage.Storage`
:param cache: The cache instance for storing execution results, by default it uses the same
Storage instance if not specified.
:type cache: :class:`pants.engine.storage.Cache`
:param use_cache: True to enable usage of the cache. The cache incurs a large amount of
overhead for small tasks, and needs TODO: further improvement.
:type use_cache: bool
"""
self._scheduler = scheduler
self._storage = storage or Storage.create()
self._cache = cache or Cache.create(storage)
self._use_cache = use_cache
def setUp(self):
"""Setup cache as well as request and result."""
self.storage = Storage.create()
self.cache = Cache.create(storage=self.storage)
self.request = Runnable(func=_runnable, args=("this is an arg",), cacheable=True)
self.result = "something"
def setUp(self):
build_root = os.path.join(os.path.dirname(__file__), 'examples', 'scheduler_inputs')
self.scheduler, self.storage = setup_json_scheduler(build_root, debug=True)
self.cache = Cache.create(Storage.create())
self.java = Address.parse('src/java/codegen/simple')