Remove pre_commit.five

pre_commit/commands/run.py

@@ -173,7 +173,7 @@ def _run_single_hook(
 
         if out.strip():
             output.write_line()
-            output.write_line(out.strip(), logfile_name=hook.log_file)
+            output.write_line_b(out.strip(), logfile_name=hook.log_file)
             output.write_line()
 
     return files_modified or bool(retcode)

pre_commit/error_handler.py

@@ -3,10 +3,9 @@ import os.path
 import sys
 import traceback
 from typing import Generator
-from typing import Union
+from typing import Optional
 
 import pre_commit.constants as C
-from pre_commit import five
 from pre_commit import output
 from pre_commit.store import Store
 
@@ -15,25 +14,24 @@ class FatalError(RuntimeError):
     pass
 
 
-def _to_bytes(exc: BaseException) -> bytes:
-    return str(exc).encode()
-
-
 def _log_and_exit(msg: str, exc: BaseException, formatted: str) -> None:
     error_msg = b''.join((
-        five.to_bytes(msg), b': ',
+        msg.encode(), b': ',
-        five.to_bytes(type(exc).__name__), b': ',
+        type(exc).__name__.encode(), b': ',
-        _to_bytes(exc),
+        str(exc).encode(),
     ))
-    output.write_line(error_msg)
+    output.write_line_b(error_msg)
     store = Store()
     log_path = os.path.join(store.directory, 'pre-commit.log')
     output.write_line(f'Check the log at {log_path}')
 
     with open(log_path, 'wb') as log:
-        def _log_line(s: Union[None, str, bytes] = None) -> None:
+        def _log_line(s: Optional[str] = None) -> None:
             output.write_line(s, stream=log)
 
+        def _log_line_b(s: Optional[bytes] = None) -> None:
+            output.write_line_b(s, stream=log)
+
         _log_line('### version information')
         _log_line()
         _log_line('```')
@@ -50,7 +48,7 @@ def _log_and_exit(msg: str, exc: BaseException, formatted: str) -> None:
         _log_line('### error information')
         _log_line()
         _log_line('```')
-        _log_line(error_msg)
+        _log_line_b(error_msg)
         _log_line('```')
         _log_line()
         _log_line('```')

pre_commit/five.py

@@ -1,12 +0,0 @@
-from typing import Union
-
-
-def to_text(s: Union[str, bytes]) -> str:
-    return s if isinstance(s, str) else s.decode()
-
-
-def to_bytes(s: Union[str, bytes]) -> bytes:
-    return s if isinstance(s, bytes) else s.encode()
-
-
-n = to_text

pre_commit/languages/pygrep.py

@@ -27,7 +27,7 @@ def _process_filename_by_line(pattern: Pattern[bytes], filename: str) -> int:
             if pattern.search(line):
                 retv = 1
                 output.write(f'{filename}:{line_no}:')
-                output.write_line(line.rstrip(b'\r\n'))
+                output.write_line_b(line.rstrip(b'\r\n'))
     return retv
 
 
@@ -44,7 +44,7 @@ def _process_filename_at_once(pattern: Pattern[bytes], filename: str) -> int:
             matched_lines = match[0].split(b'\n')
             matched_lines[0] = contents.split(b'\n')[line_no]
 
-            output.write_line(b'\n'.join(matched_lines))
+            output.write_line_b(b'\n'.join(matched_lines))
     return retv
 
 

pre_commit/main.py

@@ -9,7 +9,6 @@ from typing import Union
 
 import pre_commit.constants as C
 from pre_commit import color
-from pre_commit import five
 from pre_commit import git
 from pre_commit.commands.autoupdate import autoupdate
 from pre_commit.commands.clean import clean
@@ -155,7 +154,6 @@ def _adjust_args_and_chdir(args: argparse.Namespace) -> None:
 
 def main(argv: Optional[Sequence[str]] = None) -> int:
     argv = argv if argv is not None else sys.argv[1:]
-    argv = [five.to_text(arg) for arg in argv]
     parser = argparse.ArgumentParser(prog='pre-commit')
 
     # https://stackoverflow.com/a/8521644/812183

pre_commit/output.py

@@ -1,11 +1,10 @@
 import contextlib
 import sys
+from typing import Any
 from typing import IO
 from typing import Optional
-from typing import Union
 
 from pre_commit import color
-from pre_commit import five
 
 
 def get_hook_message(
@@ -60,12 +59,12 @@ def get_hook_message(
 
 
 def write(s: str, stream: IO[bytes] = sys.stdout.buffer) -> None:
-    stream.write(five.to_bytes(s))
+    stream.write(s.encode())
     stream.flush()
 
 
-def write_line(
+def write_line_b(
-        s: Union[None, str, bytes] = None,
+        s: Optional[bytes] = None,
         stream: IO[bytes] = sys.stdout.buffer,
         logfile_name: Optional[str] = None,
 ) -> None:
@@ -77,6 +76,10 @@ def write_line(
 
         for output_stream in output_streams:
             if s is not None:
-                output_stream.write(five.to_bytes(s))
+                output_stream.write(s)
             output_stream.write(b'\n')
             output_stream.flush()
+
+
+def write_line(s: Optional[str] = None, **kwargs: Any) -> None:
+    write_line_b(s.encode() if s is not None else s, **kwargs)

pre_commit/repository.py

@@ -12,7 +12,6 @@ from typing import Set
 from typing import Tuple
 
 import pre_commit.constants as C
-from pre_commit import five
 from pre_commit.clientlib import load_manifest
 from pre_commit.clientlib import LOCAL
 from pre_commit.clientlib import MANIFEST_HOOK_DICT
@@ -49,7 +48,7 @@ def _write_state(prefix: Prefix, venv: str, state: object) -> None:
     state_filename = _state_filename(prefix, venv)
     staging = state_filename + 'staging'
     with open(staging, 'w') as state_file:
-        state_file.write(five.to_text(json.dumps(state)))
+        state_file.write(json.dumps(state))
     # Move the file into place atomically to indicate we've installed
     os.rename(staging, state_filename)
 

pre_commit/util.py

@@ -17,7 +17,6 @@ from typing import Tuple
 from typing import Type
 from typing import Union
 
-from pre_commit import five
 from pre_commit import parse_shebang
 
 if sys.version_info >= (3, 7):  # pragma: no cover (PY37+)
@@ -116,19 +115,9 @@ class CalledProcessError(RuntimeError):
         return self.__bytes__().decode()
 
 
-def _cmd_kwargs(
+def _setdefault_kwargs(kwargs: Dict[str, Any]) -> None:
-        *cmd: str,
-        **kwargs: Any,
-) -> Tuple[Tuple[str, ...], Dict[str, Any]]:
-    # py2/py3 on windows are more strict about the types here
-    cmd = tuple(five.n(arg) for arg in cmd)
-    kwargs['env'] = {
-        five.n(key): five.n(value)
-        for key, value in kwargs.pop('env', {}).items()
-    } or None
     for arg in ('stdin', 'stdout', 'stderr'):
         kwargs.setdefault(arg, subprocess.PIPE)
-    return cmd, kwargs
 
 
 def cmd_output_b(
@@ -136,7 +125,7 @@ def cmd_output_b(
         **kwargs: Any,
 ) -> Tuple[int, bytes, Optional[bytes]]:
     retcode = kwargs.pop('retcode', 0)
-    cmd, kwargs = _cmd_kwargs(*cmd, **kwargs)
+    _setdefault_kwargs(kwargs)
 
     try:
         cmd = parse_shebang.normalize_cmd(cmd)
@@ -205,7 +194,7 @@ if os.name != 'nt':  # pragma: windows no cover
     ) -> Tuple[int, bytes, Optional[bytes]]:
         assert kwargs.pop('retcode') is None
         assert kwargs['stderr'] == subprocess.STDOUT, kwargs['stderr']
-        cmd, kwargs = _cmd_kwargs(*cmd, **kwargs)
+        _setdefault_kwargs(kwargs)
 
         try:
             cmd = parse_shebang.normalize_cmd(cmd)

tests/conftest.py

@@ -256,9 +256,8 @@ class Fixture:
 def cap_out():
     stream = FakeStream()
     write = functools.partial(output.write, stream=stream)
-    write_line = functools.partial(output.write_line, stream=stream)
+    write_line_b = functools.partial(output.write_line_b, stream=stream)
-    with mock.patch.object(output, 'write', write):
+    with mock.patch.multiple(output, write=write, write_line_b=write_line_b):
-        with mock.patch.object(output, 'write_line', write_line):
         yield Fixture(stream)
 
 

tests/repository_test.py

@@ -10,7 +10,6 @@ import cfgv
 import pytest
 
 import pre_commit.constants as C
-from pre_commit import five
 from pre_commit.clientlib import CONFIG_SCHEMA
 from pre_commit.clientlib import load_manifest
 from pre_commit.envcontext import envcontext
@@ -119,7 +118,7 @@ def test_python_hook(tempdir_factory, store):
     _test_hook_repo(
         tempdir_factory, store, 'python_hooks_repo',
         'foo', [os.devnull],
-        b"['" + five.to_bytes(os.devnull) + b"']\nHello World\n",
+        f'[{os.devnull!r}]\nHello World\n'.encode(),
     )
 
 
@@ -154,7 +153,7 @@ def test_python_hook_weird_setup_cfg(in_git_dir, tempdir_factory, store):
     _test_hook_repo(
         tempdir_factory, store, 'python_hooks_repo',
         'foo', [os.devnull],
-        b"['" + five.to_bytes(os.devnull) + b"']\nHello World\n",
+        f'[{os.devnull!r}]\nHello World\n'.encode(),
     )
 
 
@@ -163,7 +162,7 @@ def test_python_venv(tempdir_factory, store):  # pragma: no cover (no venv)
     _test_hook_repo(
         tempdir_factory, store, 'python_venv_hooks_repo',
         'foo', [os.devnull],
-        b"['" + five.to_bytes(os.devnull) + b"']\nHello World\n",
+        f'[{os.devnull!r}]\nHello World\n'.encode(),
     )
 
 
@@ -188,7 +187,7 @@ def test_versioned_python_hook(tempdir_factory, store):
         tempdir_factory, store, 'python3_hooks_repo',
         'python3-hook',
         [os.devnull],
-        b"3\n['" + five.to_bytes(os.devnull) + b"']\nHello World\n",
+        f'3\n[{os.devnull!r}]\nHello World\n'.encode(),
     )