def shrink(self, limit=None):
"""Reduces the size of the cache to meet a limit.
Parameters
----------
limit : int, optional
Maximum size of the cache in bytes.
"""
if limit is None:
limit = rc.get('decoder_cache', 'size')
if is_string(limit):
limit = human2bytes(limit)
fileinfo = []
excess = -limit
for path in self.get_files():
stat = safe_stat(path)
if stat is not None:
aligned_size = byte_align(stat.st_size, self._fragment_size)
excess += aligned_size
fileinfo.append((stat.st_atime, aligned_size, path))
# Remove the least recently accessed first
fileinfo.sort()
for _, size, path in fileinfo:
if excess <= 0:
break
excess -= size
safe_remove(path)
def shrink(self, limit=None):
"""Reduces the size of the cache to meet a limit.
Parameters
----------
limit : int, optional
Maximum size of the cache in bytes.
"""
if limit is None:
limit = rc.get('decoder_cache', 'size')
if is_string(limit):
limit = human2bytes(limit)
fileinfo = []
excess = -limit
for path in self.get_files():
stat = safe_stat(path)
if stat is not None:
aligned_size = byte_align(stat.st_size, self._fragment_size)
excess += aligned_size
fileinfo.append((stat.st_atime, aligned_size, path))
# Remove the least recently accessed first
fileinfo.sort()
for _, size, path in fileinfo:
if excess <= 0:
break
excess -= size
safe_remove(path)
def get_size_in_bytes(self):
"""Returns the size of the cache in bytes as an int.
Returns
-------
int
"""
stats = (safe_stat(f) for f in self.get_files())
return sum(byte_align(st.st_size, self._fragment_size)
for st in stats if st is not None)
def get_size_in_bytes(self):
"""Returns the size of the cache in bytes as an int.
Returns
-------
int
"""
stats = (safe_stat(f) for f in self.get_files())
return sum(byte_align(st.st_size, self._fragment_size)
for st in stats if st is not None)
def shrink(self, limit=None): # noqa: C901
"""Reduces the size of the cache to meet a limit.
Parameters
----------
limit : int, optional
Maximum size of the cache in bytes.
"""
if self.readonly:
logger.info("Tried to shrink a readonly cache.")
return
if self._index is None:
warnings.warn("Cannot shrink outside of a `with cache` block.")
return
if limit is None:
limit = rc.get('decoder_cache', 'size')
if is_string(limit):
limit = human2bytes(limit)
self._close_fd()
fileinfo = []
excess = -limit
for path in self.get_files():
stat = safe_stat(path)
if stat is not None:
aligned_size = byte_align(stat.st_size, self._fragment_size)
excess += aligned_size
fileinfo.append((stat.st_atime, aligned_size, path))
# Remove the least recently accessed first
fileinfo.sort()
for _, size, path in fileinfo:
if excess <= 0:
break
excess -= size
self._index.remove_file_entry(path)
safe_remove(path)
self._index.sync()
def shrink(self, limit=None): # noqa: C901
"""Reduces the size of the cache to meet a limit.
Parameters
----------
limit : int, optional
Maximum size of the cache in bytes.
"""
if self.readonly:
logger.info("Tried to shrink a readonly cache.")
return
if limit is None:
limit = rc.get('decoder_cache', 'size')
if is_string(limit):
limit = human2bytes(limit)
self._close_fd()
fileinfo = []
excess = -limit
for path in self.get_files():
stat = safe_stat(path)
if stat is not None:
aligned_size = byte_align(stat.st_size, self._fragment_size)
excess += aligned_size
fileinfo.append((stat.st_atime, aligned_size, path))
# Remove the least recently accessed first
fileinfo.sort()
try:
with self._index:
for _, size, path in fileinfo:
if excess <= 0:
break
excess -= size
self.remove_file(path)
except TimeoutError:
logger.debug("Not shrinking cache. Lock could not be acquired.")
def shrink(self, limit=None): # noqa: C901
"""Reduces the size of the cache to meet a limit.
Parameters
----------
limit : int, optional
Maximum size of the cache in bytes.
"""
if self.readonly:
logger.info("Tried to shrink a readonly cache.")
return
if limit is None:
limit = rc.get('decoder_cache', 'size')
if isinstance(limit, str):
limit = human2bytes(limit)
self._close_fd()
fileinfo = []
excess = -limit
for path in self.get_files():
stat = safe_stat(path)
if stat is not None:
aligned_size = byte_align(stat.st_size, self._fragment_size)
excess += aligned_size
fileinfo.append((stat.st_atime, aligned_size, path))
# Remove the least recently accessed first
fileinfo.sort()
try:
with self._index:
for _, size, path in fileinfo:
if excess <= 0:
break
excess -= size
self.remove_file(path)
except TimeoutError:
logger.debug("Not shrinking cache. Lock could not be acquired.")
def test_byte_align():
assert byte_align(5, 16) == 16
assert byte_align(23, 8) == 24
assert byte_align(13, 1) == 13
assert byte_align(0, 16) == 0
assert byte_align(32, 8) == 32
def test_byte_align():
assert byte_align(5, 16) == 16
assert byte_align(23, 8) == 24
assert byte_align(13, 1) == 13
assert byte_align(0, 16) == 0
assert byte_align(32, 8) == 32