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python3-vckonline/lib/python3.8/site-packages/aiofiles/threadpool/__init__.py

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+"""Handle files using a thread pool executor."""
+import asyncio
+
+from io import (FileIO, TextIOBase, BufferedReader, BufferedWriter,
+                BufferedRandom)
+from functools import partial, singledispatch
+
+from .binary import AsyncBufferedIOBase, AsyncBufferedReader, AsyncFileIO
+from .text import AsyncTextIOWrapper
+from ..base import AiofilesContextManager
+
+sync_open = open
+
+__all__ = ('open', )
+
+
+def open(file, mode='r', buffering=-1, encoding=None, errors=None, newline=None,
+         closefd=True, opener=None, *, loop=None, executor=None):
+    return AiofilesContextManager(_open(file, mode=mode, buffering=buffering,
+                                        encoding=encoding, errors=errors,
+                                        newline=newline, closefd=closefd,
+                                        opener=opener, loop=loop,
+                                        executor=executor))
+
+
+@asyncio.coroutine
+def _open(file, mode='r', buffering=-1, encoding=None, errors=None, newline=None,
+          closefd=True, opener=None, *, loop=None, executor=None):
+    """Open an asyncio file."""
+    if loop is None:
+        loop = asyncio.get_event_loop()
+    cb = partial(sync_open, file, mode=mode, buffering=buffering,
+                 encoding=encoding, errors=errors, newline=newline,
+                 closefd=closefd, opener=opener)
+    f = yield from loop.run_in_executor(executor, cb)
+
+    return wrap(f, loop=loop, executor=executor)
+
+
+@singledispatch
+def wrap(file, *, loop=None, executor=None):
+    raise TypeError('Unsupported io type: {}.'.format(file))
+
+
+@wrap.register(TextIOBase)
+def _(file, *, loop=None, executor=None):
+    return AsyncTextIOWrapper(file, loop=loop, executor=executor)
+
+
+@wrap.register(BufferedWriter)
+def _(file, *, loop=None, executor=None):
+    return AsyncBufferedIOBase(file, loop=loop, executor=executor)
+
+
+@wrap.register(BufferedReader)
+@wrap.register(BufferedRandom)
+def _(file, *, loop=None, executor=None):
+    return AsyncBufferedReader(file, loop=loop, executor=executor)
+
+
+@wrap.register(FileIO)
+def _(file, *, loop=None, executor=None):
+    return AsyncFileIO(file, loop, executor)

python3-vckonline/lib/python3.8/site-packages/aiofiles/threadpool/binary.py

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+from ..base import AsyncBase
+from .utils import (delegate_to_executor, proxy_property_directly,
+                    proxy_method_directly)
+
+
+@delegate_to_executor('close', 'flush', 'isatty', 'read', 'read1', 'readinto',
+                      'readline', 'readlines', 'seek', 'seekable', 'tell',
+                      'truncate', 'writable', 'write', 'writelines')
+@proxy_method_directly('detach', 'fileno', 'readable')
+@proxy_property_directly('closed', 'raw')
+class AsyncBufferedIOBase(AsyncBase):
+    """The asyncio executor version of io.BufferedWriter."""
+
+
+@delegate_to_executor('peek')
+class AsyncBufferedReader(AsyncBufferedIOBase):
+    """The asyncio executor version of io.BufferedReader and Random."""
+
+
+@delegate_to_executor('close', 'flush', 'isatty', 'read', 'readall', 'readinto',
+                      'readline', 'readlines', 'seek', 'seekable', 'tell',
+                      'truncate', 'writable', 'write', 'writelines')
+@proxy_method_directly('fileno', 'readable')
+@proxy_property_directly('closed')
+class AsyncFileIO(AsyncBase):
+    """The asyncio executor version of io.FileIO."""

python3-vckonline/lib/python3.8/site-packages/aiofiles/threadpool/text.py

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+from .utils import (delegate_to_executor, proxy_property_directly,
+                    proxy_method_directly)
+from ..base import AsyncBase
+
+
+@delegate_to_executor('close', 'flush', 'isatty', 'read', 'readable',
+                      'readline', 'readlines', 'seek', 'seekable', 'tell',
+                      'truncate', 'write', 'writable', 'writelines')
+@proxy_method_directly('detach', 'fileno', 'readable')
+@proxy_property_directly('buffer', 'closed', 'encoding', 'errors',
+                         'line_buffering', 'newlines')
+class AsyncTextIOWrapper(AsyncBase):
+    """The asyncio executor version of io.TextIOWrapper."""

python3-vckonline/lib/python3.8/site-packages/aiofiles/threadpool/utils.py

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+import asyncio
+import functools
+
+
+def delegate_to_executor(*attrs):
+    def cls_builder(cls):
+        for attr_name in attrs:
+            setattr(cls, attr_name, _make_delegate_method(attr_name))
+        return cls
+    return cls_builder
+
+
+def proxy_method_directly(*attrs):
+    def cls_builder(cls):
+        for attr_name in attrs:
+            setattr(cls, attr_name, _make_proxy_method(attr_name))
+        return cls
+
+    return cls_builder
+
+
+def proxy_property_directly(*attrs):
+    def cls_builder(cls):
+        for attr_name in attrs:
+            setattr(cls, attr_name, _make_proxy_property(attr_name))
+        return cls
+
+    return cls_builder
+
+
+def _make_delegate_method(attr_name):
+    @asyncio.coroutine
+    def method(self, *args, **kwargs):
+        cb = functools.partial(getattr(self._file, attr_name),
+                               *args, **kwargs)
+        return (yield from self._loop.run_in_executor(self._executor, cb))
+    return method
+
+
+def _make_proxy_method(attr_name):
+    def method(self, *args, **kwargs):
+        return getattr(self._file, attr_name)(*args, **kwargs)
+    return method
+
+
+def _make_proxy_property(attr_name):
+    def proxy_property(self):
+        return getattr(self._file, attr_name)
+    return property(proxy_property)