Remove most of five

pre_commit/five.py

@@ -8,71 +8,3 @@ if PY2:
     text = unicode  # flake8: noqa
 else:
     text = str
-
-
-def n(obj):
-    """Produce a native string.
-
-    Similar in behavior to str(), but uses US-ASCII encoding when necessary.
-    """
-    if isinstance(obj, str):
-        return obj
-    elif PY2 and isinstance(obj, text):
-        return obj.encode('US-ASCII')
-    elif PY3 and isinstance(obj, bytes):
-        return obj.decode('US-ASCII')
-    else:
-        return str(obj)
-
-
-def u(obj):
-    """Produces text.
-
-    Similar in behavior to str() in python3 or unicode() in python2,
-    but uses US-ASCII encoding when necessary.
-    """
-    if isinstance(obj, text):
-        return obj
-    elif isinstance(obj, bytes):
-        return obj.decode('US-ASCII')
-    else:
-        return text(obj)
-
-
-def b(obj):
-    """Produces bytes.
-
-    Similar in behavior to bytes(), but uses US-ASCII encoding when necessary.
-    """
-    if isinstance(obj, bytes):
-        return obj
-    elif isinstance(obj, text):
-        return obj.encode('US-ASCII')
-    else:
-        return bytes(obj)
-
-
-def udict(*args, **kwargs):
-    """Similar to dict(), but keyword-keys are text."""
-    kwargs = dict([
-        (u(key), val)
-        for key, val in kwargs.items()
-    ])
-
-    return dict(*args, **kwargs)
-
-def ndict(*args, **kwargs):
-    """Similar to dict(), but keyword-keys are forced to native strings."""
-    # I hate this :(
-    kwargs = dict([
-        (n(key), val)
-        for key, val in kwargs.items()
-    ])
-
-    return dict(*args, **kwargs)
-
-def open(*args, **kwargs):
-    """Override the builtin open() to return text and use utf8 by default."""
-    from io import open
-    kwargs.setdefault('encoding', 'UTF-8')
-    return open(*args, **kwargs)