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)

pre_commit/prefixed_command_runner.py

@@ -2,8 +2,6 @@ import os
 import os.path
 import subprocess
 
-from pre_commit import five
-
 
 class CalledProcessError(RuntimeError):
     def __init__(self, returncode, cmd, expected_returncode, output=None):
@@ -70,11 +68,10 @@ class PrefixedCommandRunner(object):
         replaced_cmd = _replace_cmd(cmd, prefix=self.prefix_dir)
         proc = self.__popen(replaced_cmd, **popen_kwargs)
         stdout, stderr = proc.communicate(stdin)
-        # TODO: stdout, stderr = from_bytes(stdout), from_bytes(stderr)
         if isinstance(stdout, bytes):
-            stdout = five.text(stdout, 'utf-8')
+            stdout = stdout.decode('UTF-8')
         if isinstance(stderr, bytes):
-            stderr = five.text(stderr, 'utf-8')
+            stderr = stderr.decode('UTF-8')
         returncode = proc.returncode
 
         if retcode is not None and retcode != returncode: