Lint

src/stdio_mgr/stdio_mgr.py

@@ -276,20 +276,21 @@ class SafeCloseTeeStdin(_SafeCloseIOBase, TeeStdin):
 
 
 class TupleContextManager(tuple, AbstractContextManager):
-    pass
+    """Base for context managers that are also a tuple."""
+    # This is needed to establish a workable MRO.
 
 
 class StdioTuple(TupleContextManager):
-    """Tuple of stdin, stdout and stderr streams."""
+    """Tuple context manager of stdin, stdout and stderr streams."""
 
     def __new__(cls, iterable):
+        """Instantiate new tuple from iterable constaining three TextIOBase."""
         items = list(iterable)
-        assert len(items) == 3
+        assert len(items) == 3  # noqa: S101
         # pytest and colorama break this assertion when applied to the sys.foo
         # when they replace them with custom objects, and probably many other
         # similar tools do the same
-        # assert all(isinstance(item, TextIOBase) for item in items), \
-        #     list(type(item) for item in items)
+        # assert all(isinstance(item, TextIOBase) for item in items)  # noqa: E800
 
         return super(StdioTuple, cls).__new__(cls, items)
 
@@ -341,6 +342,7 @@ class FakeStdioTuple(StdioTuple, _MultiCloseContextManager):
     """
 
     def __new__(cls, in_str="", close=True):
+        """Instantiate new tuple of fake stdin, stdout and stderr."""
         if close:
             out_cls = SafeCloseRandomTextIO
             in_cls = SafeCloseTeeStdin
@@ -359,6 +361,7 @@ class CurrentSysIoStreams(StdioTuple):
     """Tuple of current stdin, stdout and stderr streams."""
 
     def __new__(cls):
+        """Instantiate new tuple of current sys.stdin, sys.stdout and sys.stderr."""
         items = [sys.stdin, sys.stdout, sys.stderr]
         return super(CurrentSysIoStreams, cls).__new__(cls, items)
 
@@ -377,7 +380,7 @@ class StdioManager(_MultiCloseContextManager):
     """
 
     def __new__(cls, in_str="", close=True, streams=None):
-        """Instantiate new context manager that emulates namedtuple."""
+        """Instantiate new context manager for streams."""
         if not streams:
             streams = FakeStdioTuple(in_str, close)