def __init__(self, url_or_fetch_strategy, **kwargs):
"""Create a stage object.
Parameters:
url_or_fetch_strategy
URL of the archive to be downloaded into this stage, OR
a valid FetchStrategy.
name
If a name is provided, then this stage is a named stage
and will persist between runs (or if you construct another
stage object later). If name is not provided, then this
stage will be given a unique name automatically.
"""
if isinstance(url_or_fetch_strategy, basestring):
self.fetcher = fs.from_url(url_or_fetch_strategy)
elif isinstance(url_or_fetch_strategy, fs.FetchStrategy):
self.fetcher = url_or_fetch_strategy
else:
raise ValueError(
"Can't construct Stage without url or fetch strategy")
self.fetcher.set_stage(self)
self.name = kwargs.get('name')
self.mirror_path = kwargs.get('mirror_path')
self.tmp_root = find_tmp_root()
self.path = None
self._setup()
def __init__(self, url_or_fetch_strategy, **kwargs):
"""Create a stage object.
Parameters:
url_or_fetch_strategy
URL of the archive to be downloaded into this stage, OR
a valid FetchStrategy.
name
If a name is provided, then this stage is a named stage
and will persist between runs (or if you construct another
stage object later). If name is not provided, then this
stage will be given a unique name automatically.
"""
if isinstance(url_or_fetch_strategy, basestring):
self.fetcher = fs.from_url(url_or_fetch_strategy)
elif isinstance(url_or_fetch_strategy, fs.FetchStrategy):
self.fetcher = url_or_fetch_strategy
else:
raise ValueError("Can't construct Stage without url or fetch strategy")
self.fetcher.set_stage(self)
self.name = kwargs.get('name')
self.mirror_path = kwargs.get('mirror_path')
self.tmp_root = find_tmp_root()
self.path = None
self._setup()
def __init__(self, url_or_fetch_strategy, **kwargs):
"""Create a stage object.
Parameters:
url_or_fetch_strategy
URL of the archive to be downloaded into this stage, OR
a valid FetchStrategy.
name
If a name is provided, then this stage is a named stage
and will persist between runs (or if you construct another
stage object later). If name is not provided, then this
stage will be given a unique name automatically.
"""
# TODO: fetch/stage coupling needs to be reworked -- the logic
# TODO: here is convoluted and not modular enough.
if isinstance(url_or_fetch_strategy, basestring):
self.fetcher = fs.from_url(url_or_fetch_strategy)
elif isinstance(url_or_fetch_strategy, fs.FetchStrategy):
self.fetcher = url_or_fetch_strategy
else:
raise ValueError("Can't construct Stage without url or fetch strategy")
self.fetcher.set_stage(self)
self.default_fetcher = self.fetcher # self.fetcher can change with mirrors.
self.skip_checksum_for_mirror = True # used for mirrored archives of repositories.
self.name = kwargs.get('name')
self.mirror_path = kwargs.get('mirror_path')
self.tmp_root = find_tmp_root()
self.path = None
self._setup()
def __init__(self,
url_or_fetch_strategy,
name=None,
mirror_path=None,
keep=False,
path=None):
"""Create a stage object.
Parameters:
url_or_fetch_strategy
URL of the archive to be downloaded into this stage, OR
a valid FetchStrategy.
name
If a name is provided, then this stage is a named stage
and will persist between runs (or if you construct another
stage object later). If name is not provided, then this
stage will be given a unique name automatically.
mirror_path
If provided, Stage will search Spack's mirrors for
this archive at the mirror_path, before using the
default fetch strategy.
keep
By default, when used as a context manager, the Stage
is deleted on exit when no exceptions are raised.
Pass True to keep the stage intact even if no
exceptions are raised.
"""
# TODO: fetch/stage coupling needs to be reworked -- the logic
# TODO: here is convoluted and not modular enough.
if isinstance(url_or_fetch_strategy, basestring):
self.fetcher = fs.from_url(url_or_fetch_strategy)
elif isinstance(url_or_fetch_strategy, fs.FetchStrategy):
self.fetcher = url_or_fetch_strategy
else:
raise ValueError(
"Can't construct Stage without url or fetch strategy")
self.fetcher.set_stage(self)
self.default_fetcher = self.fetcher # self.fetcher can change with mirrors.
self.skip_checksum_for_mirror = True # used for mirrored archives of repositories.
# TODO : this uses a protected member of tempfile, but seemed the only way to get a temporary name
# TODO : besides, the temporary link name won't be the same as the temporary stage area in tmp_root
self.name = name
if name is None:
self.name = STAGE_PREFIX + next(tempfile._get_candidate_names())
self.mirror_path = mirror_path
self.tmp_root = find_tmp_root()
# Try to construct here a temporary name for the stage directory
# If this is a named stage, then construct a named path.
if path is not None:
self.path = path
else:
self.path = join_path(spack.stage_path, self.name)
# Flag to decide whether to delete the stage folder on exit or not
self.keep = keep
def __init__(self, url_or_fetch_strategy,
name=None, mirror_path=None, keep=False, path=None):
"""Create a stage object.
Parameters:
url_or_fetch_strategy
URL of the archive to be downloaded into this stage, OR
a valid FetchStrategy.
name
If a name is provided, then this stage is a named stage
and will persist between runs (or if you construct another
stage object later). If name is not provided, then this
stage will be given a unique name automatically.
mirror_path
If provided, Stage will search Spack's mirrors for
this archive at the mirror_path, before using the
default fetch strategy.
keep
By default, when used as a context manager, the Stage
is deleted on exit when no exceptions are raised.
Pass True to keep the stage intact even if no
exceptions are raised.
"""
# TODO: fetch/stage coupling needs to be reworked -- the logic
# TODO: here is convoluted and not modular enough.
if isinstance(url_or_fetch_strategy, basestring):
self.fetcher = fs.from_url(url_or_fetch_strategy)
elif isinstance(url_or_fetch_strategy, fs.FetchStrategy):
self.fetcher = url_or_fetch_strategy
else:
raise ValueError("Can't construct Stage without url or fetch strategy")
self.fetcher.set_stage(self)
self.default_fetcher = self.fetcher # self.fetcher can change with mirrors.
self.skip_checksum_for_mirror = True # used for mirrored archives of repositories.
# TODO : this uses a protected member of tempfile, but seemed the only way to get a temporary name
# TODO : besides, the temporary link name won't be the same as the temporary stage area in tmp_root
self.name = name
if name is None:
self.name = STAGE_PREFIX + next(tempfile._get_candidate_names())
self.mirror_path = mirror_path
self.tmp_root = find_tmp_root()
# Try to construct here a temporary name for the stage directory
# If this is a named stage, then construct a named path.
if path is not None:
self.path = path
else:
self.path = join_path(spack.stage_path, self.name)
# Flag to decide whether to delete the stage folder on exit or not
self.keep = keep
def __init__(
self, url_or_fetch_strategy,
name=None, mirror_path=None, keep=False, path=None, lock=True,
search_fn=None):
"""Create a stage object.
Parameters:
url_or_fetch_strategy
URL of the archive to be downloaded into this stage, OR
a valid FetchStrategy.
name
If a name is provided, then this stage is a named stage
and will persist between runs (or if you construct another
stage object later). If name is not provided, then this
stage will be given a unique name automatically.
mirror_path
If provided, Stage will search Spack's mirrors for
this archive at the mirror_path, before using the
default fetch strategy.
keep
By default, when used as a context manager, the Stage
is deleted on exit when no exceptions are raised.
Pass True to keep the stage intact even if no
exceptions are raised.
"""
# TODO: fetch/stage coupling needs to be reworked -- the logic
# TODO: here is convoluted and not modular enough.
if isinstance(url_or_fetch_strategy, string_types):
self.fetcher = fs.from_url(url_or_fetch_strategy)
elif isinstance(url_or_fetch_strategy, fs.FetchStrategy):
self.fetcher = url_or_fetch_strategy
else:
raise ValueError(
"Can't construct Stage without url or fetch strategy")
self.fetcher.set_stage(self)
# self.fetcher can change with mirrors.
self.default_fetcher = self.fetcher
self.search_fn = search_fn
# used for mirrored archives of repositories.
self.skip_checksum_for_mirror = True
# TODO : this uses a protected member of tempfile, but seemed the only
# TODO : way to get a temporary name besides, the temporary link name
# TODO : won't be the same as the temporary stage area in tmp_root
self.name = name
if name is None:
self.name = _stage_prefix + next(tempfile._get_candidate_names())
self.mirror_path = mirror_path
# Try to construct here a temporary name for the stage directory
# If this is a named stage, then construct a named path.
if path is not None:
self.path = path
else:
self.path = join_path(spack.stage_path, self.name)
# Flag to decide whether to delete the stage folder on exit or not
self.keep = keep
# File lock for the stage directory. We use one file for all
# stage locks. See spack.database.Database.prefix_lock for
# details on this approach.
self._lock = None
if lock:
if self.name not in Stage.stage_locks:
sha1 = hashlib.sha1(self.name.encode('utf-8')).digest()
lock_id = prefix_bits(sha1, bit_length(sys.maxsize))
stage_lock_path = join_path(spack.stage_path, '.lock')
Stage.stage_locks[self.name] = llnl.util.lock.Lock(
stage_lock_path, lock_id, 1)
self._lock = Stage.stage_locks[self.name]
# When stages are reused, we need to know whether to re-create
# it. This marks whether it has been created/destroyed.
self.created = False
def __init__(
self, url_or_fetch_strategy,
name=None, mirror_path=None, keep=False, path=None, lock=True,
search_fn=None):
"""Create a stage object.
Parameters:
url_or_fetch_strategy
URL of the archive to be downloaded into this stage, OR
a valid FetchStrategy.
name
If a name is provided, then this stage is a named stage
and will persist between runs (or if you construct another
stage object later). If name is not provided, then this
stage will be given a unique name automatically.
mirror_path
If provided, Stage will search Spack's mirrors for
this archive at the mirror_path, before using the
default fetch strategy.
keep
By default, when used as a context manager, the Stage
is deleted on exit when no exceptions are raised.
Pass True to keep the stage intact even if no
exceptions are raised.
"""
# TODO: fetch/stage coupling needs to be reworked -- the logic
# TODO: here is convoluted and not modular enough.
if isinstance(url_or_fetch_strategy, string_types):
self.fetcher = fs.from_url(url_or_fetch_strategy)
elif isinstance(url_or_fetch_strategy, fs.FetchStrategy):
self.fetcher = url_or_fetch_strategy
else:
raise ValueError(
"Can't construct Stage without url or fetch strategy")
self.fetcher.set_stage(self)
# self.fetcher can change with mirrors.
self.default_fetcher = self.fetcher
self.search_fn = search_fn
# used for mirrored archives of repositories.
self.skip_checksum_for_mirror = True
# TODO : this uses a protected member of tempfile, but seemed the only
# TODO : way to get a temporary name besides, the temporary link name
# TODO : won't be the same as the temporary stage area in tmp_root
self.name = name
if name is None:
self.name = _stage_prefix + next(tempfile._get_candidate_names())
self.mirror_path = mirror_path
# Try to construct here a temporary name for the stage directory
# If this is a named stage, then construct a named path.
if path is not None:
self.path = path
else:
self.path = os.path.join(spack.paths.stage_path, self.name)
# Flag to decide whether to delete the stage folder on exit or not
self.keep = keep
# File lock for the stage directory. We use one file for all
# stage locks. See spack.database.Database.prefix_lock for
# details on this approach.
self._lock = None
if lock:
if self.name not in Stage.stage_locks:
sha1 = hashlib.sha1(self.name.encode('utf-8')).digest()
lock_id = prefix_bits(sha1, bit_length(sys.maxsize))
stage_lock_path = os.path.join(spack.paths.stage_path, '.lock')
Stage.stage_locks[self.name] = spack.util.lock.Lock(
stage_lock_path, lock_id, 1)
self._lock = Stage.stage_locks[self.name]
# When stages are reused, we need to know whether to re-create
# it. This marks whether it has been created/destroyed.
self.created = False
