updates

deps/lib/python3.10/site-packages/aiofiles/base.py

@@ -0,0 +1,91 @@
+"""Various base classes."""
+from types import coroutine
+from collections.abc import Coroutine
+
+
+class AsyncBase:
+    def __init__(self, file, loop, executor):
+        self._file = file
+        self._loop = loop
+        self._executor = executor
+
+    def __aiter__(self):
+        """We are our own iterator."""
+        return self
+
+    def __repr__(self):
+        return super().__repr__() + " wrapping " + repr(self._file)
+
+    async def __anext__(self):
+        """Simulate normal file iteration."""
+        line = await self.readline()
+        if line:
+            return line
+        else:
+            raise StopAsyncIteration
+
+
+class _ContextManager(Coroutine):
+    __slots__ = ("_coro", "_obj")
+
+    def __init__(self, coro):
+        self._coro = coro
+        self._obj = None
+
+    def send(self, value):
+        return self._coro.send(value)
+
+    def throw(self, typ, val=None, tb=None):
+        if val is None:
+            return self._coro.throw(typ)
+        elif tb is None:
+            return self._coro.throw(typ, val)
+        else:
+            return self._coro.throw(typ, val, tb)
+
+    def close(self):
+        return self._coro.close()
+
+    @property
+    def gi_frame(self):
+        return self._coro.gi_frame
+
+    @property
+    def gi_running(self):
+        return self._coro.gi_running
+
+    @property
+    def gi_code(self):
+        return self._coro.gi_code
+
+    def __next__(self):
+        return self.send(None)
+
+    @coroutine
+    def __iter__(self):
+        resp = yield from self._coro
+        return resp
+
+    def __await__(self):
+        resp = yield from self._coro
+        return resp
+
+    async def __anext__(self):
+        resp = await self._coro
+        return resp
+
+    async def __aenter__(self):
+        self._obj = await self._coro
+        return self._obj
+
+    async def __aexit__(self, exc_type, exc, tb):
+        self._obj.close()
+        self._obj = None
+
+
+class AiofilesContextManager(_ContextManager):
+    """An adjusted async context manager for aiofiles."""
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb):
+        await self._obj.close()
+        self._obj = None