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utils/structures: Fix typos, remove unused code

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This commit is contained in:
Valentin Lorentz 2021-12-19 20:53:08 +01:00
parent 8053d74e71
commit 3f77c53ed5
1 changed files with 4 additions and 5 deletions
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9
src/utils/structures.py
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@ -466,9 +466,9 @@ class ExpiringDict(collections.abc.MutableMapping):
For guaranteed expiry, use TimeoutDict. For guaranteed expiry, use TimeoutDict.
Currently, this is implemented by internally alternating two "generation" Currently, this is implemented by internally alternating two "generation"
dicts, which are dropped after a certain time.""" dicts, which are dropped after a certain time.
"""
__slots__ = ('_lock', 'old_gen', 'new_gen', 'timeout', '_last_switch') __slots__ = ('_lock', 'old_gen', 'new_gen', 'timeout', '_last_switch')
__synchronized__ = ('_expire_generations',)
def __init__(self, timeout, items=None): def __init__(self, timeout, items=None):
self._lock = threading.Lock() self._lock = threading.Lock()
@ -488,7 +488,7 @@ class ExpiringDict(collections.abc.MutableMapping):
# Check the new_gen first, as it contains the most recent # Check the new_gen first, as it contains the most recent
# insertion. # insertion.
# We must also check them in this order to be thread-safe when # We must also check them in this order to be thread-safe when
# _expire_generations() runs. # _expireGenerations() runs.
return self.new_gen[key] return self.new_gen[key]
except KeyError: except KeyError:
try: try:
@ -498,7 +498,7 @@ class ExpiringDict(collections.abc.MutableMapping):
def __contains__(self, key): def __contains__(self, key):
# the two clauses must be in this order to be thread-safe when # the two clauses must be in this order to be thread-safe when
# _expire_generations() runs. # _expireGenerations() runs.
return key in self.new_gen or key in self.old_gen return key in self.new_gen or key in self.old_gen
def __setitem__(self, key, value): def __setitem__(self, key, value):
@ -545,7 +545,6 @@ class TimeoutDict: # Don't inherit from MutableMapping: not thread-safe
guaranteed timeout. guaranteed timeout.
""" """
__slots__ = ('_lock', 'd', 'timeout') __slots__ = ('_lock', 'd', 'timeout')
__synchronized__ = ('_expire_generations',)
def __init__(self, timeout, items=None): def __init__(self, timeout, items=None):
expiry = time.time() + timeout expiry = time.time() + timeout