Fix 'Protocols cannot be instantiated' with Python 3.9.7

CHANGELOG.md

@@ -6,9 +6,15 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [Released] - 1.0.9 2021-09-05
+
+### Fixed
+
+- Fix error *Protocols cannot be instantiated*, occurring with Python 3.9.7
+
 ## [Released] - 1.0.8 2021-01-27
 
-## Added
+### Added
 
 - rwlock_async (Thanks to Mike Merrill)
 - Support for python 3.9
@@ -19,7 +25,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Released] - 1.0.7 2020-04-26
 
-## Added
+### Added
 
 - Code coverage badge to README.md using [codecov](https://codecov.io)
 - Download count related badges to README.md
@@ -40,12 +46,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Released] - 1.0.6 2020-01-14
 
-## Fixed
+### Fixed
 - Add missing runtime dependency 'typing_extensions' to setup.py
 
 ## [Released] - 1.0.5 2020-01-14
 
-## Fixed
+### Fixed
 - README.rst is now included in source tar
 
 ### Changed
@@ -54,7 +60,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Released] - 1.0.4 2019-06-29
 
-
 ### Removed
 - Python 3.4 from the list of supported python version
 

HEARTBEAT

@@ -1 +1 @@
-2021-01
+2021-09

README.md

@@ -1,7 +1,7 @@
 Reader Writer Lock
 ==================
 
-**A python implementation of the three Reader-Writer problems.**
+**A python implementation of a solution for the three Reader-Writer problems.**
 
 [![repo status Active](https://www.repostatus.org/badges/latest/active.svg "repo status Active")](https://www.repostatus.org/#active)
 [![Build Status](https://travis-ci.org/elarivie/pyReaderWriterLock.svg?branch=master)](https://travis-ci.org/elarivie/pyReaderWriterLock)

VERSION

@@ -1 +1 @@
-1.0.8
+1.0.9

readerwriterlock/rwlock.py

@@ -124,13 +124,11 @@ def __init__(self, lock_factory: Callable[[], Lockable] = threading.Lock, time_s
 		self.c_time_source = time_source
 		self.c_resource = lock_factory()
 		self.c_lock_read_count = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockRead") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -166,7 +164,6 @@ class _aWriter(Lockable):
 		def __init__(self, p_RWLock: "RWLockRead") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -206,13 +203,11 @@ def __init__(self, lock_factory: Callable[[], Lockable] = threading.Lock, time_s
 		self.c_lock_read_entry = lock_factory()
 		self.c_lock_read_try = lock_factory()
 		self.c_resource = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockWrite") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -259,7 +254,6 @@ class _aWriter(Lockable):
 		def __init__(self, p_RWLock: "RWLockWrite") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -318,13 +312,11 @@ def __init__(self, lock_factory: Callable[[], Lockable] = threading.Lock, time_s
 		self.c_lock_read_count = lock_factory()
 		self.c_lock_read = lock_factory()
 		self.c_lock_write = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockFair") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -365,7 +357,6 @@ class _aWriter(Lockable):
 		def __init__(self, p_RWLock: "RWLockFair") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -408,13 +399,11 @@ def __init__(self, lock_factory: Callable[[], Lockable] = threading.Lock, time_s
 		self.c_time_source = time_source
 		self.c_resource = lock_factory()
 		self.c_lock_read_count = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockReadD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -450,7 +439,6 @@ class _aWriter(LockableD):
 		def __init__(self, p_RWLock: "RWLockReadD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -515,13 +503,11 @@ def __init__(self, lock_factory: Callable[[], Lockable] = threading.Lock, time_s
 		self.c_lock_read_entry = lock_factory()
 		self.c_lock_read_try = lock_factory()
 		self.c_resource = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockWriteD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -568,7 +554,6 @@ class _aWriter(LockableD):
 		def __init__(self, p_RWLock: "RWLockWriteD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -643,13 +628,11 @@ def __init__(self, lock_factory: Callable[[], Lockable] = threading.Lock, time_s
 		self.c_lock_read_count = lock_factory()
 		self.c_lock_read = lock_factory()
 		self.c_lock_write = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockFairD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -690,7 +673,6 @@ class _aWriter(LockableD):
 		def __init__(self, p_RWLock: "RWLockFairD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""

readerwriterlock/rwlock_async.py

@@ -130,13 +130,11 @@ def __init__(self, lock_factory: Union[Callable[[], Lockable], Type[asyncio.Lock
 		self.c_time_source = time_source
 		self.c_resource = lock_factory()
 		self.c_lock_read_count = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockRead") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -176,7 +174,6 @@ class _aWriter(Lockable):
 		def __init__(self, p_RWLock: "RWLockRead") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -222,13 +219,11 @@ def __init__(self, lock_factory: Union[Callable[[], Lockable], Type[asyncio.Lock
 		self.c_lock_read_entry = lock_factory()
 		self.c_lock_read_try = lock_factory()
 		self.c_resource = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockWrite") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -283,7 +278,6 @@ class _aWriter(Lockable):
 		def __init__(self, p_RWLock: "RWLockWrite") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -348,13 +342,11 @@ def __init__(self, lock_factory: Union[Callable[[], Lockable], Type[asyncio.Lock
 		self.c_lock_read_count = lock_factory()
 		self.c_lock_read = lock_factory()
 		self.c_lock_write = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockFair") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -401,7 +393,6 @@ class _aWriter(Lockable):
 		def __init__(self, p_RWLock: "RWLockFair") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -448,13 +439,11 @@ def __init__(self, lock_factory: Union[Callable[[], Lockable], Type[asyncio.Lock
 		self.c_time_source = time_source
 		self.c_resource = lock_factory()
 		self.c_lock_read_count = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockReadD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -494,7 +483,6 @@ class _aWriter(LockableD):
 		def __init__(self, p_RWLock: "RWLockReadD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -567,13 +555,11 @@ def __init__(self, lock_factory: Union[Callable[[], Lockable], Type[asyncio.Lock
 		self.c_lock_read_entry = lock_factory()
 		self.c_lock_read_try = lock_factory()
 		self.c_resource = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockWriteD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -628,7 +614,6 @@ class _aWriter(LockableD):
 		def __init__(self, p_RWLock: "RWLockWriteD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -709,13 +694,11 @@ def __init__(self, lock_factory: Union[Callable[[], Lockable], Type[asyncio.Lock
 		self.c_lock_read_count = lock_factory()
 		self.c_lock_read = lock_factory()
 		self.c_lock_write = lock_factory()
-		super().__init__()
 
 	class _aReader(Lockable):
 		def __init__(self, p_RWLock: "RWLockFairD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""
@@ -762,7 +745,6 @@ class _aWriter(LockableD):
 		def __init__(self, p_RWLock: "RWLockFairD") -> None:
 			self.c_rw_lock = p_RWLock
 			self.v_locked: bool = False
-			super().__init__()
 
 		async def acquire(self, blocking: bool = True, timeout: float = -1) -> bool:
 			"""Acquire a lock."""

setup.cfg

@@ -36,7 +36,8 @@ disable =
 	unsubscriptable-object,
 	invalid-name,
 	bad-continuation,
-	duplicate-code
+	duplicate-code,
+	super-init-not-called
 indent-string='\t'
 include-naming-hint=yes
 overgeneral-exceptions=Exception