Update vendored windows libs

libs/win/jaraco/windows/mmap.py

@@ -1,63 +1,66 @@
 import ctypes.wintypes
 
-import six
-
 from .error import handle_nonzero_success
 from .api import memory
 
 
 class MemoryMap(object):
-	"""
-	A memory map object which can have security attributes overridden.
-	"""
-	def __init__(self, name, length, security_attributes=None):
-		self.name = name
-		self.length = length
-		self.security_attributes = security_attributes
-		self.pos = 0
+    """
+    A memory map object which can have security attributes overridden.
+    """
 
-	def __enter__(self):
-		p_SA = (
-			ctypes.byref(self.security_attributes)
-			if self.security_attributes else None
-		)
-		INVALID_HANDLE_VALUE = -1
-		PAGE_READWRITE = 0x4
-		FILE_MAP_WRITE = 0x2
-		filemap = ctypes.windll.kernel32.CreateFileMappingW(
-			INVALID_HANDLE_VALUE, p_SA, PAGE_READWRITE, 0, self.length,
-			six.text_type(self.name))
-		handle_nonzero_success(filemap)
-		if filemap == INVALID_HANDLE_VALUE:
-			raise Exception("Failed to create file mapping")
-		self.filemap = filemap
-		self.view = memory.MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0)
-		return self
+    def __init__(self, name, length, security_attributes=None):
+        self.name = name
+        self.length = length
+        self.security_attributes = security_attributes
+        self.pos = 0
 
-	def seek(self, pos):
-		self.pos = pos
+    def __enter__(self):
+        p_SA = (
+            ctypes.byref(self.security_attributes) if self.security_attributes else None
+        )
+        INVALID_HANDLE_VALUE = -1
+        PAGE_READWRITE = 0x4
+        FILE_MAP_WRITE = 0x2
+        filemap = ctypes.windll.kernel32.CreateFileMappingW(
+            INVALID_HANDLE_VALUE,
+            p_SA,
+            PAGE_READWRITE,
+            0,
+            self.length,
+            str(self.name),
+        )
+        handle_nonzero_success(filemap)
+        if filemap == INVALID_HANDLE_VALUE:
+            raise Exception("Failed to create file mapping")
+        self.filemap = filemap
+        self.view = memory.MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0)
+        return self
 
-	def write(self, msg):
-		assert isinstance(msg, bytes)
-		n = len(msg)
-		if self.pos + n >= self.length:  # A little safety.
-			raise ValueError("Refusing to write %d bytes" % n)
-		dest = self.view + self.pos
-		length = ctypes.c_size_t(n)
-		ctypes.windll.kernel32.RtlMoveMemory(dest, msg, length)
-		self.pos += n
+    def seek(self, pos):
+        self.pos = pos
 
-	def read(self, n):
-		"""
-		Read n bytes from mapped view.
-		"""
-		out = ctypes.create_string_buffer(n)
-		source = self.view + self.pos
-		length = ctypes.c_size_t(n)
-		ctypes.windll.kernel32.RtlMoveMemory(out, source, length)
-		self.pos += n
-		return out.raw
+    def write(self, msg):
+        assert isinstance(msg, bytes)
+        n = len(msg)
+        if self.pos + n >= self.length:  # A little safety.
+            raise ValueError("Refusing to write %d bytes" % n)
+        dest = self.view + self.pos
+        length = ctypes.c_size_t(n)
+        ctypes.windll.kernel32.RtlMoveMemory(dest, msg, length)
+        self.pos += n
 
-	def __exit__(self, exc_type, exc_val, tb):
-		ctypes.windll.kernel32.UnmapViewOfFile(self.view)
-		ctypes.windll.kernel32.CloseHandle(self.filemap)
+    def read(self, n):
+        """
+        Read n bytes from mapped view.
+        """
+        out = ctypes.create_string_buffer(n)
+        source = self.view + self.pos
+        length = ctypes.c_size_t(n)
+        ctypes.windll.kernel32.RtlMoveMemory(out, source, length)
+        self.pos += n
+        return out.raw
+
+    def __exit__(self, exc_type, exc_val, tb):
+        ctypes.windll.kernel32.UnmapViewOfFile(self.view)
+        ctypes.windll.kernel32.CloseHandle(self.filemap)