Replace five with six

pre_commit/error_handler.py

@@ -3,10 +3,11 @@ from __future__ import print_function
 from __future__ import unicode_literals
 
 import contextlib
-import io
 import os.path
 import traceback
 
+import six
+
 from pre_commit import five
 from pre_commit import output
 from pre_commit.errors import FatalError
@@ -22,7 +23,7 @@ def _to_bytes(exc):
     try:
         return bytes(exc)
     except Exception:
-        return five.text(exc).encode('UTF-8')
+        return six.text_type(exc).encode('UTF-8')
 
 
 def _log_and_exit(msg, exc, formatted):
@@ -35,7 +36,7 @@ def _log_and_exit(msg, exc, formatted):
     output.write_line('Check the log at ~/.pre-commit/pre-commit.log')
     store = Store()
     store.require_created()
-    with io.open(os.path.join(store.directory, 'pre-commit.log'), 'wb') as log:
+    with open(os.path.join(store.directory, 'pre-commit.log'), 'wb') as log:
         output.write(error_msg, stream=log)
         output.write_line(formatted, stream=log)
     raise PreCommitSystemExit(1)

pre_commit/five.py

@@ -1,42 +1,14 @@
 from __future__ import unicode_literals
 
-PY2 = str is bytes
-PY3 = str is not bytes
-
-if PY2:  # pragma: no cover (PY2 only)
-    text = unicode  # flake8: noqa
-    string_types = (text, bytes)
-
-    def n(s):
-        if isinstance(s, bytes):
-            return s
-        else:
-            return s.encode('UTF-8')
-
-    exec("""def reraise(tp, value, tb=None):
-    raise tp, value, tb
-""")
-else:  # pragma: no cover (PY3 only)
-    text = str
-    string_types = (text,)
-
-    def n(s):
-        if isinstance(s, text):
-            return s
-        else:
-            return s.decode('UTF-8')
-
-    def reraise(tp, value, tb=None):
-        if value is None:
-            value = tp()
-        if value.__traceback__ is not tb:
-            raise value.with_traceback(tb)
-        raise value
+import six
 
 
 def to_text(s):
-    return s if isinstance(s, text) else s.decode('UTF-8')
+    return s if isinstance(s, six.text_type) else s.decode('UTF-8')
 
 
 def to_bytes(s):
     return s if isinstance(s, bytes) else s.encode('UTF-8')
+
+
+n = to_bytes if six.PY2 else to_text

pre_commit/make_archives.py

@@ -5,7 +5,6 @@ from __future__ import unicode_literals
 import os.path
 import tarfile
 
-from pre_commit import five
 from pre_commit import output
 from pre_commit.util import cmd_output
 from pre_commit.util import cwd
@@ -54,7 +53,7 @@ def make_archive(name, repo, ref, destdir):
         # runtime
         rmtree(os.path.join(tempdir, '.git'))
 
-        with tarfile.open(five.n(output_path), 'w|gz') as tf:
+        with tarfile.open(output_path, 'w|gz') as tf:
             tf.add(tempdir, name)
 
     return output_path

pre_commit/schema.py

@@ -8,7 +8,7 @@ import os.path
 import re
 import sys
 
-from pre_commit import five
+import six
 
 
 class ValidationError(ValueError):
@@ -37,7 +37,7 @@ def validate_context(msg):
         yield
     except ValidationError as e:
         _, _, tb = sys.exc_info()
-        five.reraise(ValidationError, ValidationError(e, ctx=msg), tb)
+        six.reraise(ValidationError, ValidationError(e, ctx=msg), tb)
 
 
 @contextlib.contextmanager
@@ -46,7 +46,7 @@ def reraise_as(tp):
         yield
     except ValidationError as e:
         _, _, tb = sys.exc_info()
-        five.reraise(tp, tp(e), tb)
+        six.reraise(tp, tp(e), tb)
 
 
 def _dct_noop(self, dct):
@@ -218,7 +218,7 @@ def check_type(tp, typename=None):
 
 
 check_bool = check_type(bool)
-check_string = check_type(five.string_types, typename='string')
+check_string = check_type(six.string_types, typename='string')
 
 
 def check_regex(v):

pre_commit/util.py

@@ -10,6 +10,7 @@ import subprocess
 import tempfile
 
 import pkg_resources
+import six
 
 from pre_commit import five
 from pre_commit import parse_shebang
@@ -143,12 +144,12 @@ class CalledProcessError(RuntimeError):
     def to_text(self):
         return self.to_bytes().decode('UTF-8')
 
-    if five.PY3:  # pragma: no cover (py3)
-        __bytes__ = to_bytes
-        __str__ = to_text
-    else:  # pragma: no cover (py2)
+    if six.PY2:  # pragma: no cover (py2)
         __str__ = to_bytes
         __unicode__ = to_text
+    else:  # pragma: no cover (py3)
+        __bytes__ = to_bytes
+        __str__ = to_text
 
 
 def cmd_output(*cmd, **kwargs):

setup.py

@@ -43,6 +43,7 @@ setup(
         'cached-property',
         'nodeenv>=0.11.1',
         'pyyaml',
+        'six',
         'virtualenv',
     ],
     entry_points={

tests/conftest.py

@@ -8,9 +8,9 @@ import os.path
 
 import mock
 import pytest
+import six
 
 import pre_commit.constants as C
-from pre_commit import five
 from pre_commit import output
 from pre_commit.logging_handler import add_logging_handler
 from pre_commit.prefixed_command_runner import PrefixedCommandRunner
@@ -29,7 +29,7 @@ def tempdir_factory(tmpdir):
             self.tmpdir_count = 0
 
         def get(self):
-            path = tmpdir.join(five.text(self.tmpdir_count)).strpath
+            path = tmpdir.join(six.text_type(self.tmpdir_count)).strpath
             self.tmpdir_count += 1
             os.mkdir(path)
             return path

tests/prefixed_command_runner_test.py

@@ -6,7 +6,6 @@ import subprocess
 import mock
 import pytest
 
-from pre_commit import five
 from pre_commit.prefixed_command_runner import PrefixedCommandRunner
 from pre_commit.util import CalledProcessError
 
@@ -17,10 +16,7 @@ def norm_slash(input_tup):
 
 def test_CalledProcessError_str():
     error = CalledProcessError(
-        1,
-        [five.n('git'), five.n('status')],
-        0,
-        (five.n('stdout'), five.n('stderr')),
+        1, [str('git'), str('status')], 0, (str('stdout'), str('stderr')),
     )
     assert str(error) == (
         "Command: ['git', 'status']\n"
@@ -35,7 +31,7 @@ def test_CalledProcessError_str():
 
 def test_CalledProcessError_str_nooutput():
     error = CalledProcessError(
-        1, [five.n('git'), five.n('status')], 0, (five.n(''), five.n(''))
+        1, [str('git'), str('status')], 0, (str(''), str(''))
     )
     assert str(error) == (
         "Command: ['git', 'status']\n"
@@ -78,7 +74,7 @@ def test_run_substitutes_prefix(popen_mock, makedirs_mock):
     )
     ret = instance.run(['{prefix}bar', 'baz'], retcode=None)
     popen_mock.assert_called_once_with(
-        (five.n(os.path.join('prefix', 'bar')), five.n('baz')),
+        (str(os.path.join('prefix', 'bar')), str('baz')),
         env=None,
         stdin=subprocess.PIPE,
         stdout=subprocess.PIPE,

tests/store_test.py

@@ -7,8 +7,8 @@ import sqlite3
 
 import mock
 import pytest
+import six
 
-from pre_commit import five
 from pre_commit.store import _get_default_directory
 from pre_commit.store import Store
 from pre_commit.util import cmd_output
@@ -116,7 +116,7 @@ def test_clone_cleans_up_on_checkout_failure(store):
         # doesn't exist!
         store.clone('/i_dont_exist_lol', 'fake_sha')
     except Exception as e:
-        assert '/i_dont_exist_lol' in five.text(e)
+        assert '/i_dont_exist_lol' in six.text_type(e)
 
     things_starting_with_repo = [
         thing for thing in os.listdir(store.directory)