Restoring authorship annotation for Dmitry Kopylov <kopylovd@gmail.com>. Commit 1 of 2.

1 files changed, 51 insertions, 51 deletions

diff --git a/library/python/filelock/__init__.py b/library/python/filelock/__init__.py
index f81ff67f37..aea171410d 100644
--- a/library/python/filelock/__init__.py
+++ b/library/python/filelock/__init__.py
@@ -5,9 +5,9 @@ import sys
 
 import library.python.windows
 
-logger = logging.getLogger(__name__)
-
+logger = logging.getLogger(__name__) 
 
+ 
 def set_close_on_exec(stream):
     if library.python.windows.on_win():
         library.python.windows.set_handle_information(stream, inherit=False)
@@ -16,16 +16,16 @@ def set_close_on_exec(stream):
         fcntl.fcntl(stream, fcntl.F_SETFD, fcntl.FD_CLOEXEC)
 
 
-class AbstractFileLock(object):
-
+class AbstractFileLock(object): 
+ 
     def __init__(self, path):
         self.path = path
 
     def acquire(self, blocking=True):
-        raise NotImplementedError
+        raise NotImplementedError 
 
     def release(self):
-        raise NotImplementedError
+        raise NotImplementedError 
 
     def __enter__(self):
         self.acquire()
@@ -34,17 +34,17 @@ class AbstractFileLock(object):
     def __exit__(self, type, value, traceback):
         self.release()
 
-
-class _NixFileLock(AbstractFileLock):
-
-    def __init__(self, path):
-        super(_NixFileLock, self).__init__(path)
+ 
+class _NixFileLock(AbstractFileLock): 
+ 
+    def __init__(self, path): 
+        super(_NixFileLock, self).__init__(path) 
         from fcntl import flock, LOCK_EX, LOCK_UN, LOCK_NB
         self._locker = lambda lock, blocking: flock(lock, LOCK_EX if blocking else LOCK_EX | LOCK_NB)
         self._unlocker = lambda lock: flock(lock, LOCK_UN)
         self._lock = open(self.path, 'a')
         set_close_on_exec(self._lock)
-
+ 
     def acquire(self, blocking=True):
         import errno
         try:
@@ -54,69 +54,69 @@ class _NixFileLock(AbstractFileLock):
                 return False
             raise
         return True
-
-    def release(self):
+ 
+    def release(self): 
         self._unlocker(self._lock)
-
+ 
     def __del__(self):
         if hasattr(self, "_lock"):
             self._lock.close()
-
-
-class _WinFileLock(AbstractFileLock):
-    """
-    Based on LockFile / UnlockFile from win32 API
-    https://msdn.microsoft.com/en-us/library/windows/desktop/aa365202(v=vs.85).aspx
-    """
-
-    _LOCKED_BYTES_NUM = 1
-
-    def __init__(self, path):
-        super(_WinFileLock, self).__init__(path)
-        self._lock = None
+ 
+
+class _WinFileLock(AbstractFileLock): 
+    """ 
+    Based on LockFile / UnlockFile from win32 API 
+    https://msdn.microsoft.com/en-us/library/windows/desktop/aa365202(v=vs.85).aspx 
+    """ 
+ 
+    _LOCKED_BYTES_NUM = 1 
+ 
+    def __init__(self, path): 
+        super(_WinFileLock, self).__init__(path) 
+        self._lock = None 
         try:
             with file(path, 'w') as lock_file:
                 lock_file.write(" " * self._LOCKED_BYTES_NUM)
         except IOError as e:
             if e.errno != errno.EACCES or not os.path.isfile(path):
                 raise
-
+ 
     def acquire(self, blocking=True):
-        self._lock = open(self.path)
+        self._lock = open(self.path) 
         set_close_on_exec(self._lock)
 
-        import time
+        import time 
         locked = False
-        while not locked:
+        while not locked: 
             locked = library.python.windows.lock_file(self._lock, 0, self._LOCKED_BYTES_NUM, raises=False)
             if locked:
                 return True
             if blocking:
-                time.sleep(.5)
+                time.sleep(.5) 
             else:
                 return False
-
-    def release(self):
+ 
+    def release(self): 
         if self._lock:
             library.python.windows.unlock_file(self._lock, 0, self._LOCKED_BYTES_NUM, raises=False)
             self._lock.close()
             self._lock = None
-
-
-class FileLock(AbstractFileLock):
-
-    def __init__(self, path):
-        super(FileLock, self).__init__(path)
-
-        if sys.platform.startswith('win'):
-            self._lock = _WinFileLock(path)
-        else:
-            self._lock = _NixFileLock(path)
-
+ 
+ 
+class FileLock(AbstractFileLock): 
+ 
+    def __init__(self, path): 
+        super(FileLock, self).__init__(path) 
+ 
+        if sys.platform.startswith('win'): 
+            self._lock = _WinFileLock(path) 
+        else: 
+            self._lock = _NixFileLock(path) 
+ 
     def acquire(self, blocking=True):
         logger.debug('Acquiring filelock (blocking=%s): %s', blocking, self.path)
         return self._lock.acquire(blocking)
-
-    def release(self):
-        logger.debug('Ensuring filelock released: %s', self.path)
-        return self._lock.release()
+ 
+    def release(self): 
+        logger.debug('Ensuring filelock released: %s', self.path) 
+        return self._lock.release()