style: isort imports

fix #4584

tests/aliases/test_source.py

@@ -1,10 +1,11 @@
-import os.path
-import pytest
-
 import builtins
+import os.path
 from contextlib import contextmanager
 from unittest.mock import MagicMock
-from xonsh.aliases import source_alias, make_default_aliases
+
+import pytest
+
+from xonsh.aliases import make_default_aliases, source_alias
 
 
 @pytest.fixture

tests/aliases/test_xexec.py

@@ -1,4 +1,5 @@
 import os
+
 import pytest
 
 from xonsh.aliases import xexec

tests/bin/cat

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import sys
+
 with open(sys.argv[-1]) as f:
     for line in f:
         print(line, end='')

tests/bin/pwd

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
 import os
+
 x = os.getcwd()
 print(x)

tests/completers/test_base_completer.py

@@ -2,10 +2,7 @@ import pytest
 
 from tests.tools import ON_WINDOWS
 from xonsh.completers.base import complete_base
-from xonsh.parsers.completion_context import (
-    CompletionContext,
-    CommandContext,
-)
+from xonsh.parsers.completion_context import CommandContext, CompletionContext
 
 CUR_DIR = (
     "." if ON_WINDOWS else "./"

tests/completers/test_bash_completer.py

@@ -1,13 +1,12 @@
 import pytest
 
-from tests.tools import skip_if_on_windows, skip_if_on_darwin
-
-from xonsh.completers.tools import RichCompletion
+from tests.tools import skip_if_on_darwin, skip_if_on_windows
 from xonsh.completers.bash import complete_from_bash
+from xonsh.completers.tools import RichCompletion
 from xonsh.parsers.completion_context import (
-    CompletionContext,
-    CommandContext,
     CommandArg,
+    CommandContext,
+    CompletionContext,
 )
 
 

tests/completers/test_command_completers.py

@@ -2,16 +2,14 @@ from unittest.mock import Mock
 
 import pytest
 
-from xonsh.parsers.completion_context import (
-    CompletionContext,
-    CommandArg,
-    CommandContext,
-)
-
-from tests.tools import ON_WINDOWS, skip_if_on_windows, completions_from_result
-
+from tests.tools import ON_WINDOWS, completions_from_result, skip_if_on_windows
 from xonsh.completer import Completer
 from xonsh.completers.commands import complete_command, complete_skipper
+from xonsh.parsers.completion_context import (
+    CommandArg,
+    CommandContext,
+    CompletionContext,
+)
 
 
 @pytest.fixture(autouse=True)

tests/completers/test_environment_completer.py

@@ -1,7 +1,7 @@
 import pytest
 
-from xonsh.parsers.completion_context import CompletionContextParser
 from xonsh.completers.environment import complete_environment_vars
+from xonsh.parsers.completion_context import CompletionContextParser
 
 
 @pytest.fixture(scope="session")

tests/completers/test_pip_completer.py

@@ -5,7 +5,6 @@ import pytest
 
 from xonsh.completers.commands import complete_xompletions
 
-
 regex_cases = [
     "pip",
     "pip.exe",

tests/conftest.py

@@ -6,17 +6,16 @@ from unittest.mock import MagicMock
 
 import pytest
 
+from tools import DummyHistory, DummyShell, copy_env, sp
+from xonsh import commands_cache
 from xonsh.aliases import Aliases
-from xonsh.built_ins import XonshSession, XSH
+from xonsh.built_ins import XSH, XonshSession
 from xonsh.completer import Completer
+from xonsh.events import events
 from xonsh.execer import Execer
 from xonsh.jobs import tasks
-from xonsh.events import events
 from xonsh.parsers.completion_context import CompletionContextParser
 
-from xonsh import commands_cache
-from tools import DummyShell, sp, DummyHistory, copy_env
-
 
 @pytest.fixture
 def source_path():
@@ -293,6 +292,7 @@ def check_completer(completer_obj):
 def ptk_shell(xonsh_execer):
     from prompt_toolkit.input import create_pipe_input
     from prompt_toolkit.output import DummyOutput
+
     from xonsh.ptk_shell.shell import PromptToolkitShell
 
     inp = create_pipe_input()

tests/procs/test_specs.py

@@ -5,11 +5,10 @@ from subprocess import Popen
 
 import pytest
 
-from xonsh.procs.specs import cmds_to_specs, run_subproc
-from xonsh.procs.posix import PopenThread
-from xonsh.procs.proxies import ProcProxy, ProcProxyThread, STDOUT_DISPATCHER
-
 from tests.tools import skip_if_on_windows
+from xonsh.procs.posix import PopenThread
+from xonsh.procs.proxies import STDOUT_DISPATCHER, ProcProxy, ProcProxyThread
+from xonsh.procs.specs import cmds_to_specs, run_subproc
 
 
 @skip_if_on_windows

tests/prompt/test_base.py

@@ -2,7 +2,7 @@ from unittest.mock import Mock
 
 import pytest
 
-from xonsh.prompt.base import PromptFormatter, PROMPT_FIELDS
+from xonsh.prompt.base import PROMPT_FIELDS, PromptFormatter
 
 
 @pytest.fixture

tests/test_aliases.py

@@ -1,13 +1,12 @@
 """Testing built_ins.Aliases"""
 
+import inspect
 import os
 
 import pytest
-import inspect
-
-from xonsh.aliases import Aliases, ExecAlias
 
 from tools import skip_if_on_windows
+from xonsh.aliases import Aliases, ExecAlias
 
 
 def cd(args, stdin=None, **kwargs):

tests/test_ansi_colors.py

@@ -3,14 +3,13 @@ import pytest
 
 from xonsh.ansi_colors import (
     ansi_color_escape_code_to_name,
-    ansi_reverse_style,
     ansi_color_name_to_escape_code,
     ansi_color_style_names,
+    ansi_reverse_style,
     ansi_style_by_name,
     register_custom_ansi_style,
 )
 
-
 DEFAULT_CMAP = {
     # Reset
     "RESET": "0",  # Text Reset

tests/test_ast.py

@@ -1,12 +1,11 @@
 """Xonsh AST tests."""
 import ast as pyast
 
-from xonsh import ast
-from xonsh.ast import Tuple, Name, Store, min_line, Call, BinOp, isexpression
-
 import pytest
 
 from tools import nodes_equal
+from xonsh import ast
+from xonsh.ast import BinOp, Call, Name, Store, Tuple, isexpression, min_line
 
 
 @pytest.fixture(autouse=True)

tests/test_bashisms.py

@@ -1,7 +1,8 @@
 """Tests bashisms xontrib."""
-import pytest
 import sys
 
+import pytest
+
 
 @pytest.fixture(name="bash_preproc", scope="module")
 def _bash_preproc():

tests/test_builtins.py

@@ -2,30 +2,28 @@
 import os
 import re
 import types
-from ast import AST, Module, Interactive, Expression
+from ast import AST, Expression, Interactive, Module
 
 import pytest
 
+from tools import skip_if_on_windows
 from xonsh.built_ins import (
-    reglob,
-    pathsearch,
-    helper,
-    superhelper,
-    ensure_list_of_strs,
-    list_of_strs_or_callables,
-    list_of_list_of_strs_outer_product,
-    regexsearch,
-    expand_path,
-    convert_macro_arg,
-    in_macro_call,
     call_macro,
+    convert_macro_arg,
+    ensure_list_of_strs,
     enter_macro,
+    expand_path,
+    helper,
+    in_macro_call,
+    list_of_list_of_strs_outer_product,
+    list_of_strs_or_callables,
+    pathsearch,
+    regexsearch,
+    reglob,
+    superhelper,
 )
 from xonsh.environ import Env
 
-from tools import skip_if_on_windows
-
-
 HOME_PATH = os.path.expanduser("~")
 
 

tests/test_commands_cache.py

@@ -5,14 +5,14 @@ from unittest.mock import MagicMock
 
 import pytest
 
-from xonsh.commands_cache import (
-    CommandsCache,
-    predict_shell,
-    SHELL_PREDICTOR_PARSER,
-    predict_true,
-    predict_false,
-)
 from tools import skip_if_on_windows
+from xonsh.commands_cache import (
+    SHELL_PREDICTOR_PARSER,
+    CommandsCache,
+    predict_false,
+    predict_shell,
+    predict_true,
+)
 
 
 def test_commands_cache_lazy(xession):

tests/test_completer.py

@@ -1,13 +1,13 @@
 """Tests for the base completer's logic (xonsh/completer.py)"""
 
 import pytest
+
+from xonsh.completer import Completer
 from xonsh.completers.tools import (
     RichCompletion,
     contextual_command_completer,
     non_exclusive_completer,
 )
-
-from xonsh.completer import Completer
 from xonsh.parsers.completion_context import CommandContext
 
 

tests/test_completion_context.py

@@ -1,8 +1,11 @@
 import itertools
 import typing as tp
+from unittest import mock
 
 import pytest
-from unittest import mock
+
+import xonsh.parsers.completion_context as ctx
+from tests.tools import ON_WINDOWS
 from xonsh.parsers.completion_context import (
     CommandArg,
     CommandContext,
@@ -10,10 +13,6 @@ from xonsh.parsers.completion_context import (
     PythonContext,
 )
 
-import xonsh.parsers.completion_context as ctx
-from tests.tools import ON_WINDOWS
-
-
 DEBUG = False
 MISSING = object()
 X = "\x00"  # cursor marker

tests/test_contexts.py

@@ -3,7 +3,6 @@ from textwrap import dedent
 
 from xonsh.contexts import Block, Functor
 
-
 #
 # helpers
 #

tests/test_dirstack.py

@@ -1,13 +1,12 @@
 """Testing dirstack"""
 
-from contextlib import contextmanager
 import os
+from contextlib import contextmanager
 
 import pytest  # noqa F401
 
 from xonsh import dirstack
 
-
 HERE = os.path.abspath(os.path.dirname(__file__))
 PARENT = os.path.dirname(HERE)
 

tests/test_dirstack_unc.py

@@ -7,10 +7,10 @@ import subprocess
 import sys
 
 import pytest
+
 from xonsh import dirstack
-from xonsh.dirstack import DIRSTACK
+from xonsh.dirstack import DIRSTACK, _unc_tempDrives
 from xonsh.platform import ON_WINDOWS
-from xonsh.dirstack import _unc_tempDrives
 
 HERE = os.path.abspath(os.path.dirname(__file__))
 PARENT = os.path.dirname(HERE)

tests/test_environ.py

@@ -1,8 +1,8 @@
 """Tests the xonsh environment."""
-import os
-import re
-import pathlib
 import datetime
+import os
+import pathlib
+import re
 from random import shuffle
 from tempfile import TemporaryDirectory
 from threading import Thread
@@ -10,19 +10,18 @@ from time import sleep
 
 import pytest
 
-from xonsh.tools import always_true, DefaultNotGiven
+from tools import skip_if_on_unix
 from xonsh.environ import (
     Env,
-    locate_binary,
-    default_env,
-    make_args_env,
-    LsColors,
-    default_value,
-    Var,
     InternalEnvironDict,
+    LsColors,
+    Var,
+    default_env,
+    default_value,
+    locate_binary,
+    make_args_env,
 )
-
-from tools import skip_if_on_unix
+from xonsh.tools import DefaultNotGiven, always_true
 
 
 def test_env_normal():

tests/test_events.py

@@ -1,7 +1,9 @@
 """Event tests"""
 import inspect
+
 import pytest
-from xonsh.events import EventManager, Event, LoadEvent
+
+from xonsh.events import Event, EventManager, LoadEvent
 
 
 @pytest.fixture

tests/test_execer.py

@@ -1,10 +1,10 @@
 """Tests the xonsh lexer."""
 import os
 
-from tools import skip_if_on_unix, skip_if_on_windows, ON_WINDOWS
-
 import pytest
 
+from tools import ON_WINDOWS, skip_if_on_unix, skip_if_on_windows
+
 
 @pytest.fixture
 def check_eval(xonsh_execer, xonsh_session, monkeypatch):

tests/test_foreign_shells.py

@@ -3,9 +3,9 @@ import os
 import subprocess
 
 import pytest  # noqa F401
-from tools import skip_if_on_windows, skip_if_on_unix
 
-from xonsh.foreign_shells import foreign_shell_data, parse_env, parse_aliases
+from tools import skip_if_on_unix, skip_if_on_windows
+from xonsh.foreign_shells import foreign_shell_data, parse_aliases, parse_env
 
 
 def test_parse_env():

tests/test_history_json.py

@@ -7,12 +7,12 @@ import pytest
 
 from xonsh.history.json import (
     JsonHistory,
+    _xhj_gc_bytes_to_rmfiles,
     _xhj_gc_commands_to_rmfiles,
     _xhj_gc_files_to_rmfiles,
     _xhj_gc_seconds_to_rmfiles,
-    _xhj_gc_bytes_to_rmfiles,
 )
-from xonsh.history.main import history_main, HistoryAlias
+from xonsh.history.main import HistoryAlias, history_main
 from xonsh.lazyjson import LazyJSON
 
 CMDS = ["ls", "cat hello kitty", "abc", "def", "touch me", "grep from me"]
@@ -372,9 +372,8 @@ def test_history_getitem(index, exp, hist, xession):
         assert (entry.cmd, entry.out, entry.rtn, entry.ts) == exp
 
 
-import time
 import calendar
-
+import time
 
 HF_FIRST_DAY = calendar.timegm(time.struct_time((2018, 5, 13, 0, 0, 0, 0, 0, 0)))
 

tests/test_history_sqlite.py

@@ -3,11 +3,11 @@
 import os
 import shlex
 
-from xonsh.history.sqlite import SqliteHistory
-from xonsh.history.main import history_main
-
 import pytest
 
+from xonsh.history.main import history_main
+from xonsh.history.sqlite import SqliteHistory
+
 
 @pytest.fixture
 def hist():

tests/test_integrations.py

@@ -3,25 +3,23 @@ This requires Xonsh installed in venv or otherwise available on PATH
 """
 import os
 import shutil
-import tempfile
 import subprocess as sp
+import tempfile
 from pathlib import Path
 
 import pytest
 
 import xonsh
-from xonsh.dirstack import with_pushd
-
 from tools import (
+    ON_DARWIN,
+    ON_TRAVIS,
+    ON_WINDOWS,
+    skip_if_on_darwin,
     skip_if_on_msys,
     skip_if_on_unix,
     skip_if_on_windows,
-    skip_if_on_darwin,
-    ON_WINDOWS,
-    ON_DARWIN,
-    ON_TRAVIS,
 )
-
+from xonsh.dirstack import with_pushd
 
 PATH = (
     os.path.join(os.path.abspath(os.path.dirname(__file__)), "bin")

tests/test_jobs.py

@@ -1,4 +1,5 @@
 import pytest
+
 from xonsh import jobs
 
 

tests/test_jsonutils.py

@@ -3,8 +3,8 @@ import json
 
 import pytest
 
-from xonsh.tools import EnvPath
 from xonsh.jsonutils import serialize_xonsh_json
+from xonsh.tools import EnvPath
 
 
 @pytest.mark.parametrize(

tests/test_jupyter_kernel.py

@@ -1,11 +1,12 @@
 import sys
-import pytest
 from inspect import signature
 from unittest.mock import MagicMock
 
+import pytest
+
+from tests.test_ptk_completer import EXPANSION_CASES
 from xonsh.aliases import Aliases
 from xonsh.completer import Completer
-from tests.test_ptk_completer import EXPANSION_CASES
 
 XonshKernel = None
 

tests/test_lazyjson.py

@@ -1,7 +1,7 @@
 """Tests lazy json functionality."""
 from io import StringIO
 
-from xonsh.lazyjson import index, ljdump, LazyJSON, LJNode
+from xonsh.lazyjson import LazyJSON, LJNode, index, ljdump
 
 
 def test_index_int():

tests/test_lexer.py

@@ -8,10 +8,8 @@ from pprint import pformat
 
 import pytest
 
-from xonsh.ply.ply.lex import LexToken
-
-
 from xonsh.lexer import Lexer
+from xonsh.ply.ply.lex import LexToken
 
 LEXER_ARGS = {"lextab": "lexer_test_table", "debug": 0}
 

tests/test_main.py

@@ -1,16 +1,16 @@
 """Tests the xonsh main function."""
-from contextlib import contextmanager
-
 import builtins
 import gc
 import os
 import os.path
 import sys
+from contextlib import contextmanager
+
+import pytest
 
 import xonsh.main
-from xonsh.main import XonshMode
-import pytest
 from tools import ON_WINDOWS, TEST_DIR, skip_if_on_windows
+from xonsh.main import XonshMode
 
 
 def Shell(*args, **kwargs):

tests/test_man.py

@@ -3,7 +3,7 @@ import subprocess
 
 import pytest  # noqa F401
 
-from tools import skip_if_on_windows, skip_if_not_on_darwin
+from tools import skip_if_not_on_darwin, skip_if_on_windows
 from xonsh.completers.man import complete_from_man
 
 

tests/test_news.py

@@ -4,7 +4,6 @@ import re
 
 import pytest
 
-
 NEWSDIR = os.path.join(os.path.dirname(os.path.dirname(__file__)), "news")
 
 CATEGORIES = frozenset(

tests/test_parser.py

@@ -1,16 +1,15 @@
 """Tests the xonsh parser."""
 import ast
-import textwrap
 import itertools
+import textwrap
 
 import pytest
 
-from xonsh.ast import AST, With, Pass, Str, Call
+from tools import VER_MAJOR_MINOR, nodes_equal, skip_if_pre_3_8
+from xonsh.ast import AST, Call, Pass, Str, With
 from xonsh.parser import Parser
 from xonsh.parsers.fstring_adaptor import FStringAdaptor
 
-from tools import nodes_equal, skip_if_pre_3_8, VER_MAJOR_MINOR
-
 
 @pytest.fixture
 def xsh(xession, monkeypatch, parser):

tests/test_path_completers.py

@@ -1,6 +1,8 @@
-import pytest
-from unittest.mock import patch
 import tempfile
+from unittest.mock import patch
+
+import pytest
+
 import xonsh.completers.path as xcp
 
 

tests/test_pipelines.py

@@ -3,11 +3,12 @@ Tests for command pipelines.
 """
 
 import os
+
 import pytest
 
+from tests.tools import skip_if_on_unix, skip_if_on_windows
 from xonsh.platform import ON_WINDOWS
 from xonsh.procs.pipelines import CommandPipeline
-from tests.tools import skip_if_on_windows, skip_if_on_unix
 
 
 @pytest.fixture(autouse=True)

tests/test_platform.py

@@ -1,7 +1,7 @@
+import builtins
 from contextlib import contextmanager
 from unittest.mock import MagicMock
 
-import builtins
 import xonsh.platform as xp
 
 

tests/test_pretty.py

@@ -1,7 +1,8 @@
-from xonsh import pretty
 import re
+
 import pytest
 
+from xonsh import pretty
 
 long_list = ["str"] * 30
 long_list_exp = "[" + (",\n ".join(["'str'"] * 30) + "]")

tests/test_ptk_completer.py

@@ -1,8 +1,9 @@
-import pytest
 from inspect import signature
 from unittest.mock import MagicMock
-from prompt_toolkit.document import Document
+
+import pytest
 from prompt_toolkit.completion import Completion as PTKCompletion
+from prompt_toolkit.document import Document
 
 from xonsh.aliases import Aliases
 from xonsh.completer import Completer

tests/test_ptk_highlight.py

@@ -3,22 +3,21 @@
 
 import pytest
 from pygments.token import (
-    Keyword,
-    Name,
-    String,
     Error,
+    Keyword,
+    Literal,
+    Name,
     Number,
     Operator,
     Punctuation,
+    String,
     Text,
-    Literal,
 )
-from tools import skip_if_on_windows
 
-from xonsh.pyghooks import XonshLexer, Color, XonshStyle, on_lscolors_change
+from tools import DummyShell, skip_if_on_windows
 from xonsh.environ import LsColors
-from xonsh.events import events, EventManager
-from tools import DummyShell
+from xonsh.events import EventManager, events
+from xonsh.pyghooks import Color, XonshLexer, XonshStyle, on_lscolors_change
 
 
 @pytest.fixture

tests/test_ptk_multiline.py

@@ -4,8 +4,8 @@ from unittest.mock import MagicMock, patch
 
 import pytest
 from prompt_toolkit.application import Application
-from prompt_toolkit.document import Document
 from prompt_toolkit.buffer import Buffer
+from prompt_toolkit.document import Document
 
 from xonsh.tools import ON_WINDOWS
 

tests/test_ptk_shell.py

@@ -1,15 +1,16 @@
 """Test initialization of prompt_toolkit shell"""
 
 import sys
-import pytest
-from xonsh.platform import minimum_required_ptk_version
+
 import pyte
+import pytest
 
-# verify error if ptk not installed or below min
-
+from tests.tools import ON_WINDOWS
+from xonsh.platform import minimum_required_ptk_version
 from xonsh.ptk_shell.shell import tokenize_ansi
 from xonsh.shell import Shell
-from tests.tools import ON_WINDOWS
+
+# verify error if ptk not installed or below min
 
 
 @pytest.mark.parametrize(

tests/test_pyghooks.py

@@ -1,26 +1,25 @@
 """Tests pygments hooks."""
-import pytest
 import os
-import stat
 import pathlib
-
+import stat
 from tempfile import TemporaryDirectory
-from xonsh.platform import ON_WINDOWS
 
+import pytest
+
+from xonsh.environ import LsColors
+from xonsh.platform import ON_WINDOWS
 from xonsh.pyghooks import (
-    XonshStyle,
     Color,
     Token,
-    color_name_to_pygments_code,
+    XonshStyle,
     code_by_name,
     color_file,
+    color_name_to_pygments_code,
     file_color_tokens,
     get_style_by_name,
     register_custom_pygments_style,
 )
 
-from xonsh.environ import LsColors
-
 
 @pytest.fixture
 def xs_LS_COLORS(xession, os_env, monkeypatch):

tests/test_python_completers.py

@@ -1,11 +1,8 @@
 import pytest
 
 from tests.tools import skip_if_pre_3_8
-from xonsh.completers.python import (
-    python_signature_complete,
-    complete_python,
-)
 from xonsh.completers.imports import complete_import
+from xonsh.completers.python import complete_python, python_signature_complete
 from xonsh.parsers.completion_context import (
     CommandArg,
     CommandContext,

tests/test_shell.py

@@ -1,10 +1,10 @@
 """Testing for ``xonsh.shell.Shell``"""
 import os
 
-from xonsh.shell import Shell
+from xonsh.history.dummy import DummyHistory
 from xonsh.history.json import JsonHistory
 from xonsh.history.sqlite import SqliteHistory
-from xonsh.history.dummy import DummyHistory
+from xonsh.shell import Shell
 
 
 def test_shell_with_json_history(xession, xonsh_execer, tmpdir_factory):

tests/test_tools.py

@@ -3,96 +3,91 @@ import datetime as dt
 import os
 import pathlib
 import stat
-from tempfile import TemporaryDirectory
 import warnings
+from tempfile import TemporaryDirectory
 
 import pytest
 
+from tools import skip_if_on_windows
 from xonsh import __version__
-from xonsh.platform import (
-    ON_WINDOWS,
-    HAS_PYGMENTS,
-)
 from xonsh.lexer import Lexer
-
+from xonsh.platform import HAS_PYGMENTS, ON_WINDOWS
 from xonsh.tools import (
     EnvPath,
+    all_permutations,
     always_false,
     always_true,
     argvquote,
+    balanced_parens,
     bool_or_int_to_str,
     bool_or_none_to_str,
     bool_to_str,
     check_for_partial_string,
+    check_quotes,
+    deprecated,
     dynamic_cwd_tuple_to_str,
+    ends_with_colon_token,
     ensure_slice,
     ensure_string,
-    path_to_str,
+    ensure_timestamp,
     env_path_to_str,
     escape_windows_cmd_string,
     executables_in,
+    expand_case_matching,
     expand_path,
+    expandvars,
     find_next_break,
+    get_line_continuation,
+    get_logical_line,
+    get_portions,
+    iglobpath,
+    is_balanced,
     is_bool,
     is_bool_or_int,
     is_bool_or_none,
     is_callable,
+    is_completion_mode,
+    is_completions_display_value,
     is_dynamic_cwd_width,
-    is_path,
     is_env_path,
     is_float,
     is_int,
+    is_int_as_str,
     is_logfile_opt,
-    is_string_or_callable,
-    logfile_opt_to_str,
-    str_to_path,
-    str_to_env_path,
+    is_nonstring_seq_of_strings,
+    is_path,
+    is_slice_as_str,
     is_string,
+    is_string_or_callable,
+    is_string_seq,
+    is_writable_file,
+    logfile_opt_to_str,
+    path_to_str,
+    pathsep_to_seq,
+    pathsep_to_set,
+    pathsep_to_upper_seq,
+    register_custom_style,
+    replace_logical_line,
+    seq_to_pathsep,
+    seq_to_upper_pathsep,
+    set_to_pathsep,
+    simple_random_choice,
+    str_to_env_path,
+    str_to_path,
+    subexpr_before_unbalanced,
     subexpr_from_unbalanced,
     subproc_toks,
+    swap_values,
     to_bool,
     to_bool_or_int,
     to_bool_or_none,
-    to_int_or_none,
-    to_dynamic_cwd_tuple,
-    to_logfile_opt,
-    pathsep_to_set,
-    set_to_pathsep,
-    is_string_seq,
-    pathsep_to_seq,
-    seq_to_pathsep,
-    is_nonstring_seq_of_strings,
-    pathsep_to_upper_seq,
-    seq_to_upper_pathsep,
-    is_int_as_str,
-    is_slice_as_str,
-    ensure_timestamp,
-    get_portions,
-    is_balanced,
-    subexpr_before_unbalanced,
-    swap_values,
-    get_line_continuation,
-    get_logical_line,
-    replace_logical_line,
-    check_quotes,
-    deprecated,
-    is_writable_file,
-    balanced_parens,
-    ends_with_colon_token,
-    iglobpath,
-    all_permutations,
-    register_custom_style,
-    simple_random_choice,
-    is_completion_mode,
     to_completion_mode,
-    is_completions_display_value,
     to_completions_display_value,
-    expand_case_matching,
-    expandvars,
+    to_dynamic_cwd_tuple,
+    to_int_or_none,
+    to_logfile_opt,
 )
 
-from tools import skip_if_on_windows
-
 LEXER = Lexer()
 LEXER.build()
 

tests/test_vox.py

@@ -1,17 +1,17 @@
 """Vox tests"""
+import os
 import pathlib
 import stat
-import os
 import subprocess as sp
+import sys
 import types
+from typing import TYPE_CHECKING
 
 import pytest
-import sys
-from xontrib.voxapi import Vox
 
 from tools import skip_if_on_conda, skip_if_on_msys
 from xonsh.platform import ON_WINDOWS
-from typing import TYPE_CHECKING
+from xontrib.voxapi import Vox
 
 if TYPE_CHECKING:
     from xontrib.vox import VoxHandler
@@ -223,7 +223,7 @@ def test_autovox(xession, tmpdir, vox, a_venv, load_xontrib, registered):
     """
     Tests that autovox works
     """
-    from xonsh.dirstack import pushd, popd
+    from xonsh.dirstack import popd, pushd
 
     # Makes sure that event handlers are registered
     load_xontrib("autovox")
@@ -256,7 +256,7 @@ def venv_home(tmpdir):
 @pytest.fixture
 def venvs(venv_home):
     """Create virtualenv with names venv0, venv1"""
-    from xonsh.dirstack import pushd, popd
+    from xonsh.dirstack import popd, pushd
 
     pushd([str(venv_home)])
     paths = []

tests/test_wizard.py

@@ -4,16 +4,15 @@ import os
 import pytest  # noqa F401
 
 from xonsh.wizard import (
-    Wizard,
+    FileInserter,
+    Message,
     Pass,
     PrettyFormatter,
-    Message,
     Question,
     StateVisitor,
-    FileInserter,
+    Wizard,
 )
 
-
 TREE0 = Wizard(children=[Pass(), Message(message="yo")])
 TREE1 = Question("wakka?", {"jawaka": Pass()})
 

tests/test_xonfig.py

@@ -5,15 +5,17 @@
    - xonfig jupyter_kernel
 
 """
+import io
+import json
 import os
 import re
 import sys
-import json
+
 import pytest  # noqa F401
-import io
+
 from xonsh.tools import ON_WINDOWS
-from xonsh.xonfig import xonfig_main
 from xonsh.webconfig import main as web_main
+from xonsh.xonfig import xonfig_main
 
 
 def test_xonfg_help(capsys, xession):

tests/test_xontribs.py

@@ -1,6 +1,8 @@
 """xontrib tests, such as they are"""
 import sys
+
 import pytest
+
 from xonsh.xontribs import xontrib_context, xontribs_load, xontribs_loaded
 
 

tests/tools.py

@@ -1,11 +1,11 @@
 """Tests the xonsh lexer."""
+import ast
 import copy
 import os
-import shutil
-import sys
-import ast
 import platform
+import shutil
 import subprocess
+import sys
 import threading
 from collections import defaultdict
 
@@ -13,7 +13,6 @@ import pytest
 
 from xonsh.base_shell import BaseShell
 
-
 VER_MAJOR_MINOR = sys.version_info[:2]
 VER_FULL = sys.version_info[:3]
 ON_DARWIN = platform.system() == "Darwin"

tests/xontribs/test_abbrevs.py

@@ -5,6 +5,7 @@ import sys
 
 from prompt_toolkit.buffer import Buffer
 from pytest import fixture, mark
+
 from xonsh.xontribs import find_xontrib
 
 

tests/xontribs/test_jedi.py

@@ -1,14 +1,14 @@
 """Tests for the Jedi completer xontrib"""
-import sys
-import pytest
 import importlib
+import sys
 from unittest.mock import MagicMock, call
 
-from tests.tools import skip_if_on_windows, skip_if_on_darwin
+import pytest
 
-from xonsh.xontribs import find_xontrib
+from tests.tools import skip_if_on_darwin, skip_if_on_windows
 from xonsh.completers.tools import RichCompletion
 from xonsh.parsers.completion_context import CompletionContext, PythonContext
+from xonsh.xontribs import find_xontrib
 
 
 @pytest.fixture

xompletions/_xonsh.py

@@ -1,5 +1,4 @@
 from xonsh.cli_utils import ArgparseCompleter
-
 from xonsh.parsers.completion_context import CommandContext
 
 

xompletions/django-admin.py

@@ -1,7 +1,6 @@
 """Completers for pip."""
 
 from xonsh.completers.tools import comp_based_completer
-
 from xonsh.parsers.completion_context import CommandContext
 
 

xompletions/gh.py

@@ -1,6 +1,6 @@
 """Completers for gh CLI"""
 
-from xonsh.completers.tools import sub_proc_get_output, completion_from_cmd_output
+from xonsh.completers.tools import completion_from_cmd_output, sub_proc_get_output
 from xonsh.parsers.completion_context import CommandContext
 
 

xonsh/aliases.py

@@ -1,51 +1,50 @@
 """Aliases for the xonsh shell."""
+import argparse
+import collections.abc as cabc
 import functools
+import inspect
 import os
 import re
 import sys
-import inspect
-import argparse
-import collections.abc as cabc
 import types
 import typing as tp
 
-from xonsh.built_ins import XSH
-from xonsh.lazyasd import lazyobject
-from xonsh.dirstack import cd, pushd, popd, dirs, _get_cwd
-from xonsh.environ import locate_binary, make_args_env
-from xonsh.foreign_shells import foreign_shell_data
-from xonsh.jobs import jobs, fg, bg, clean_jobs, disown
-from xonsh.platform import (
-    ON_ANACONDA,
-    ON_DARWIN,
-    ON_WINDOWS,
-    ON_FREEBSD,
-    ON_NETBSD,
-    ON_OPENBSD,
-    ON_DRAGONFLY,
-    IN_APPIMAGE,
-)
-from xonsh.tools import (
-    XonshError,
-    argvquote,
-    escape_windows_cmd_string,
-    swap_values,
-    strip_simple_quotes,
-    ALIAS_KWARG_NAMES,
-    unthreadable,
-    print_color,
-    to_repr_pretty_,
-    to_shlvl,
-    adjust_shlvl,
-)
-from xonsh.timings import timeit_alias
-from xonsh.xontribs import xontribs_main
-from xonsh.ast import isexpression
-from xonsh.cli_utils import ArgParserAlias, Arg, Annotated
-
 import xonsh.completers._aliases as xca
 import xonsh.history.main as xhm
 import xonsh.xoreutils.which as xxw
+from xonsh.ast import isexpression
+from xonsh.built_ins import XSH
+from xonsh.cli_utils import Annotated, Arg, ArgParserAlias
+from xonsh.dirstack import _get_cwd, cd, dirs, popd, pushd
+from xonsh.environ import locate_binary, make_args_env
+from xonsh.foreign_shells import foreign_shell_data
+from xonsh.jobs import bg, clean_jobs, disown, fg, jobs
+from xonsh.lazyasd import lazyobject
+from xonsh.platform import (
+    IN_APPIMAGE,
+    ON_ANACONDA,
+    ON_DARWIN,
+    ON_DRAGONFLY,
+    ON_FREEBSD,
+    ON_NETBSD,
+    ON_OPENBSD,
+    ON_WINDOWS,
+)
+from xonsh.timings import timeit_alias
+from xonsh.tools import (
+    ALIAS_KWARG_NAMES,
+    XonshError,
+    adjust_shlvl,
+    argvquote,
+    escape_windows_cmd_string,
+    print_color,
+    strip_simple_quotes,
+    swap_values,
+    to_repr_pretty_,
+    to_shlvl,
+    unthreadable,
+)
+from xonsh.xontribs import xontribs_main
 
 
 @lazyobject

xonsh/ansi_colors.py

@@ -4,22 +4,21 @@ import sys
 import warnings
 
 from xonsh.built_ins import XSH
-from xonsh.platform import HAS_PYGMENTS
-from xonsh.lazyasd import LazyDict, lazyobject
 from xonsh.color_tools import (
-    RE_XONSH_COLOR,
     BASE_XONSH_COLORS,
-    make_palette,
+    RE_XONSH_COLOR,
     find_closest_color,
+    iscolor,
+    make_palette,
     rgb2short,
     rgb_to_256,
     short_to_ints,
-    iscolor,
     warn_deprecated_no_color,
 )
+from xonsh.lazyasd import LazyDict, lazyobject
+from xonsh.platform import HAS_PYGMENTS
 from xonsh.tools import FORMATTER
 
-
 # pygments modifier to ANSI escape code mapping
 _PART_STYLE_CODE_MAPPING = {
     "bold": "1",
@@ -1151,9 +1150,10 @@ def ansi_style_by_name(name):
         return ANSI_STYLES[name]
     elif not HAS_PYGMENTS:
         raise KeyError(f"could not find style {name!r}")
-    from xonsh.pygments_cache import get_style_by_name
     from pygments.util import ClassNotFound
 
+    from xonsh.pygments_cache import get_style_by_name
+
     try:
         pstyle = get_style_by_name(name)
     except (ModuleNotFoundError, ClassNotFound):

xonsh/ast.py

@@ -1,127 +1,125 @@
 """Abstract Syntax Tree handler"""
 # These are imported into our module namespace for the benefit of parser.py.
 # pylint: disable=unused-import
+import itertools
 import sys
-from ast import (
-    Module,
-    Num,
-    Expr,
-    Str,
-    Bytes,
-    UnaryOp,
-    UAdd,
-    USub,
-    Invert,
-    BinOp,
-    Add,
-    Sub,
-    Mult,
-    Div,
-    FloorDiv,
-    Mod,
-    Pow,
-    Compare,
-    Lt,
-    Gt,
-    LtE,
-    GtE,
-    Eq,
-    NotEq,
-    In,
-    NotIn,
-    Is,
-    IsNot,
-    Not,
-    BoolOp,
-    Or,
-    And,
-    Subscript,
-    Load,
-    Slice,
-    ExtSlice,
-    List,
-    Tuple,
-    Set,
-    Dict,
-    AST,
-    NameConstant,
-    Name,
-    GeneratorExp,
-    Store,
-    comprehension,
-    ListComp,
-    SetComp,
-    DictComp,
-    Assign,
-    AugAssign,
-    BitXor,
-    BitAnd,
-    BitOr,
-    LShift,
-    RShift,
-    Assert,
-    Delete,
-    Del,
-    Pass,
-    Raise,
-    Import,
-    alias,
-    ImportFrom,
-    Continue,
-    Break,
-    Yield,
-    YieldFrom,
-    Return,
-    IfExp,
-    Lambda,
-    arguments,
-    arg,
-    Call,
-    keyword,
-    Attribute,
-    Global,
-    Nonlocal,
-    If,
-    While,
-    For,
-    withitem,
-    With,
-    Try,
-    ExceptHandler,
-    FunctionDef,
-    ClassDef,
-    Starred,
-    NodeTransformer,
-    Interactive,
-    Expression,
-    Index,
-    literal_eval,
-    dump,
-    walk,
-    increment_lineno,
-    Constant,
-)
-from ast import Ellipsis as EllipsisNode
 
 # pylint: enable=unused-import
 import textwrap
-import itertools
-
-from xonsh.built_ins import XSH
-from xonsh.tools import subproc_toks, find_next_break, get_logical_line
-
 from ast import (
-    MatMult,
+    AST,
+    Add,
+    And,
+    AnnAssign,
+    Assert,
+    Assign,
+    AsyncFor,
     AsyncFunctionDef,
     AsyncWith,
-    AsyncFor,
+    Attribute,
+    AugAssign,
     Await,
-    JoinedStr,
+    BinOp,
+    BitAnd,
+    BitOr,
+    BitXor,
+    BoolOp,
+    Break,
+    Bytes,
+    Call,
+    ClassDef,
+    Compare,
+    Constant,
+    Continue,
+    Del,
+    Delete,
+    Dict,
+    DictComp,
+    Div,
+)
+from ast import Ellipsis as EllipsisNode
+from ast import (
+    Eq,
+    ExceptHandler,
+    Expr,
+    Expression,
+    ExtSlice,
+    FloorDiv,
+    For,
     FormattedValue,
-    AnnAssign,
+    FunctionDef,
+    GeneratorExp,
+    Global,
+    Gt,
+    GtE,
+    If,
+    IfExp,
+    Import,
+    ImportFrom,
+    In,
+    Index,
+    Interactive,
+    Invert,
+    Is,
+    IsNot,
+    JoinedStr,
+    Lambda,
+    List,
+    ListComp,
+    Load,
+    LShift,
+    Lt,
+    LtE,
+    MatMult,
+    Mod,
+    Module,
+    Mult,
+    Name,
+    NameConstant,
+    NodeTransformer,
+    Nonlocal,
+    Not,
+    NotEq,
+    NotIn,
+    Num,
+    Or,
+    Pass,
+    Pow,
+    Raise,
+    Return,
+    RShift,
+    Set,
+    SetComp,
+    Slice,
+    Starred,
+    Store,
+    Str,
+    Sub,
+    Subscript,
+    Try,
+    Tuple,
+    UAdd,
+    UnaryOp,
+    USub,
+    While,
+    With,
+    Yield,
+    YieldFrom,
+    alias,
+    arg,
+    arguments,
+    comprehension,
+    dump,
+    increment_lineno,
+    keyword,
+    literal_eval,
+    walk,
+    withitem,
 )
 
+from xonsh.built_ins import XSH
 from xonsh.platform import PYTHON_VERSION_INFO
+from xonsh.tools import find_next_break, get_logical_line, subproc_toks
 
 if PYTHON_VERSION_INFO > (3, 8):
     from ast import NamedExpr  # type:ignore

xonsh/base_shell.py

@@ -5,30 +5,30 @@ import sys
 import time
 from os.path import expanduser
 
+from xonsh.ansi_colors import ansi_partial_color_format
 from xonsh.built_ins import XSH
+from xonsh.codecache import (
+    code_cache_check,
+    code_cache_name,
+    get_cache_filename,
+    run_compiled_code,
+    should_use_cache,
+    update_cache,
+)
+from xonsh.completer import Completer
+from xonsh.events import events
+from xonsh.lazyimps import pyghooks, pygments
+from xonsh.platform import HAS_PYGMENTS, ON_WINDOWS
+from xonsh.prompt.base import PromptFormatter, multiline_prompt
+from xonsh.shell import transform_command
 from xonsh.tools import (
-    XonshError,
-    print_exception,
     DefaultNotGiven,
+    XonshError,
     check_for_partial_string,
     format_std_prepost,
     get_line_continuation,
+    print_exception,
 )
-from xonsh.platform import HAS_PYGMENTS, ON_WINDOWS
-from xonsh.codecache import (
-    should_use_cache,
-    code_cache_name,
-    code_cache_check,
-    get_cache_filename,
-    update_cache,
-    run_compiled_code,
-)
-from xonsh.completer import Completer
-from xonsh.prompt.base import multiline_prompt, PromptFormatter
-from xonsh.events import events
-from xonsh.shell import transform_command
-from xonsh.lazyimps import pygments, pyghooks
-from xonsh.ansi_colors import ansi_partial_color_format
 
 if ON_WINDOWS:
     import ctypes

xonsh/built_ins.py

@@ -3,29 +3,29 @@
 Note that this module is named 'built_ins' so as not to be confused with the
 special Python builtins module.
 """
+import atexit
+import builtins
+import collections.abc as cabc
+import contextlib
+import inspect
+import itertools
 import os
+import pathlib
 import re
+import signal
 import sys
 import types
-import signal
-import atexit
-import pathlib
-import inspect
 import warnings
-import builtins
-import itertools
-import contextlib
-import collections.abc as cabc
-
 from ast import AST
-from xonsh.lazyasd import lazyobject
+
 from xonsh.inspectors import Inspector
+from xonsh.lazyasd import lazyobject
 from xonsh.platform import ON_POSIX, ON_WINDOWS
 from xonsh.tools import (
+    XonshCalledProcessError,
+    XonshError,
     expand_path,
     globpath,
-    XonshError,
-    XonshCalledProcessError,
     print_color,
 )
 
@@ -584,9 +584,9 @@ class XonshSession:
         ctx : Mapping, optional
             Context to start xonsh session with.
         """
-        from xonsh.environ import Env, default_env
         from xonsh.commands_cache import CommandsCache
         from xonsh.completers.init import default_completers
+        from xonsh.environ import Env, default_env
 
         if not hasattr(builtins, "__xonsh__"):
             builtins.__xonsh__ = self

xonsh/cli_utils.py

@@ -301,7 +301,7 @@ class RstHelpFormatter(ap.RawTextHelpFormatter):
         return text
 
     def _format_usage(self, usage, actions, groups, prefix):
-        from pygments.token import Name, Generic
+        from pygments.token import Generic, Name
 
         text = super()._format_usage(usage, actions, groups, prefix)
         parts = text.split(self._prog, maxsplit=1)

xonsh/color_tools.py

@@ -5,10 +5,10 @@ color codes. Parts of this file were originally forked from Micah Elliott
 http://MicahElliott.com Copyright (C) 2011 Micah Elliott. All rights reserved.
 WTFPL http://sam.zoy.org/wtfpl/
 """
-import re
 import math
+import re
 
-from xonsh.lazyasd import lazyobject, LazyObject
+from xonsh.lazyasd import LazyObject, lazyobject
 from xonsh.tools import print_warning
 
 _NO_COLOR_WARNING_SHOWN = False

xonsh/commands_cache.py

@@ -5,21 +5,21 @@ A background predictor is a function that accepts a single argument list
 and returns whether or not the process can be run in the background (returns
 True) or must be run the foreground (returns False).
 """
+import argparse
+import collections.abc as cabc
 import functools
 import os
 import pickle
 import sys
 import threading
 import time
-import argparse
-import collections.abc as cabc
 import typing as tp
 from pathlib import Path
 
 from xonsh.built_ins import XSH
-from xonsh.platform import ON_WINDOWS, ON_POSIX, pathbasename
-from xonsh.tools import executables_in
 from xonsh.lazyasd import lazyobject
+from xonsh.platform import ON_POSIX, ON_WINDOWS, pathbasename
+from xonsh.tools import executables_in
 
 
 class CommandsCache(cabc.Mapping):

xonsh/completer.py

@@ -1,17 +1,17 @@
 """A (tab-)completer for xonsh."""
+import collections.abc as cabc
 import sys
 import typing as tp
-import collections.abc as cabc
 
+from xonsh.built_ins import XSH
 from xonsh.completers.tools import (
-    is_contextual_completer,
     Completion,
     RichCompletion,
     apply_lprefix,
-    is_exclusive_completer,
     get_filter_function,
+    is_contextual_completer,
+    is_exclusive_completer,
 )
-from xonsh.built_ins import XSH
 from xonsh.parsers.completion_context import CompletionContext, CompletionContextParser
 from xonsh.tools import print_exception
 

xonsh/completers/_aliases.py

@@ -1,9 +1,9 @@
 import xonsh.cli_utils as xcli
 from xonsh.built_ins import XSH
 from xonsh.completers.completer import (
+    add_one_completer,
     list_completers,
     remove_completer,
-    add_one_completer,
 )
 from xonsh.completers.tools import contextual_command_completer
 from xonsh.parsers.completion_context import CommandContext

xonsh/completers/base.py

@@ -1,14 +1,11 @@
 """Base completer for xonsh."""
 import collections.abc as cabc
-from xonsh.parsers.completion_context import CompletionContext
-from xonsh.completers.tools import (
-    contextual_completer,
-    apply_lprefix,
-)
 
+from xonsh.completers.commands import complete_command
 from xonsh.completers.path import contextual_complete_path
 from xonsh.completers.python import complete_python
-from xonsh.completers.commands import complete_command
+from xonsh.completers.tools import apply_lprefix, contextual_completer
+from xonsh.parsers.completion_context import CompletionContext
 
 
 @contextual_completer

xonsh/completers/bash.py

@@ -1,12 +1,12 @@
 """Xonsh hooks into bash completions."""
 
-import xonsh.tools as xt
 import xonsh.platform as xp
-from xonsh.completers.path import _quote_paths
-from xonsh.completers.bash_completion import bash_completions
-from xonsh.completers.tools import contextual_command_completer, RichCompletion
-from xonsh.parsers.completion_context import CommandContext
+import xonsh.tools as xt
 from xonsh.built_ins import XSH
+from xonsh.completers.bash_completion import bash_completions
+from xonsh.completers.path import _quote_paths
+from xonsh.completers.tools import RichCompletion, contextual_command_completer
+from xonsh.parsers.completion_context import CommandContext
 
 
 @contextual_command_completer

xonsh/completers/bash_completion.py

@@ -1,18 +1,19 @@
 """This module provides the implementation for the retrieving completion results
 from bash.
 """
+import functools
+
 # developer note: this file should not perform any action on import.
 #                 This file comes from https://github.com/xonsh/py-bash-completion
 #                 and should be edited there!
 import os
-import re
-import sys
-import shlex
-import shutil
 import pathlib
 import platform
-import functools
+import re
+import shlex
+import shutil
 import subprocess
+import sys
 import typing as tp
 
 __version__ = "0.2.7"

xonsh/completers/commands.py

@@ -7,19 +7,18 @@ import re
 import typing as tp
 from collections import OrderedDict
 
-import xonsh.tools as xt
 import xonsh.platform as xp
+import xonsh.tools as xt
+from xonsh.built_ins import XSH
 from xonsh.completer import Completer
 from xonsh.completers.tools import (
-    get_filter_function,
-    contextual_command_completer,
     RichCompletion,
+    contextual_command_completer,
+    get_filter_function,
     non_exclusive_completer,
 )
-from xonsh.parsers.completion_context import CompletionContext, CommandContext
-from xonsh.built_ins import XSH
 from xonsh.environ import scan_dir_for_source_files
-
+from xonsh.parsers.completion_context import CommandContext, CompletionContext
 
 SKIP_TOKENS = {"sudo", "time", "timeit", "which", "showcmd", "man"}
 END_PROC_TOKENS = ("|", ";", "&&")  # includes ||

xonsh/completers/completer.py

@@ -1,12 +1,8 @@
 import collections
 
 from xonsh.built_ins import XSH
-from xonsh.cli_utils import Arg, Annotated, NumpyDoc
-from xonsh.completers.tools import (
-    justify,
-    is_exclusive_completer,
-    RichCompletion,
-)
+from xonsh.cli_utils import Annotated, Arg, NumpyDoc
+from xonsh.completers.tools import RichCompletion, is_exclusive_completer, justify
 
 
 def add_one_completer(name, func, loc="end"):

xonsh/completers/environment.py

@@ -1,11 +1,11 @@
 from xonsh.built_ins import XSH
-from xonsh.parsers.completion_context import CompletionContext
 from xonsh.completers.tools import (
-    contextual_completer,
-    non_exclusive_completer,
-    get_filter_function,
     RichCompletion,
+    contextual_completer,
+    get_filter_function,
+    non_exclusive_completer,
 )
+from xonsh.parsers.completion_context import CompletionContext
 
 
 @contextual_completer

xonsh/completers/imports.py

@@ -6,23 +6,23 @@ Contains modified code from the IPython project (at core/completerlib.py).
 # Distributed under the terms of the Modified BSD License.
 """
 
+import inspect
 import os
 import re
 import sys
-import inspect
-from time import time
+import typing as tp
 from importlib import import_module
 from importlib.machinery import all_suffixes
+from time import time
 from zipimport import zipimporter
-import typing as tp
 
 from xonsh.built_ins import XSH
-from xonsh.lazyasd import lazyobject
 from xonsh.completers.tools import (
+    RichCompletion,
     contextual_completer,
     get_filter_function,
-    RichCompletion,
 )
+from xonsh.lazyasd import lazyobject
 from xonsh.parsers.completion_context import CompletionContext
 
 _suffixes = all_suffixes()

xonsh/completers/init.py

@@ -1,22 +1,20 @@
 """Constructor for xonsh completer objects."""
 import collections
 
-from xonsh.completers.man import complete_from_man
-from xonsh.completers.bash import complete_from_bash
+from xonsh.completers._aliases import complete_aliases
 from xonsh.completers.base import complete_base
-from xonsh.completers.path import complete_path
-from xonsh.completers.python import (
-    complete_python,
-)
-from xonsh.completers.imports import complete_import
+from xonsh.completers.bash import complete_from_bash
 from xonsh.completers.commands import (
-    complete_skipper,
-    complete_end_proc_tokens,
     complete_end_proc_keywords,
+    complete_end_proc_tokens,
+    complete_skipper,
     complete_xompletions,
 )
-from xonsh.completers._aliases import complete_aliases
 from xonsh.completers.environment import complete_environment_vars
+from xonsh.completers.imports import complete_import
+from xonsh.completers.man import complete_from_man
+from xonsh.completers.path import complete_path
+from xonsh.completers.python import complete_python
 
 
 def default_completers(cmd_cache):

xonsh/completers/man.py

@@ -7,10 +7,7 @@ import textwrap
 from pathlib import Path
 
 from xonsh.built_ins import XSH
-from xonsh.completers.tools import (
-    contextual_command_completer,
-    RichCompletion,
-)
+from xonsh.completers.tools import RichCompletion, contextual_command_completer
 from xonsh.parsers.completion_context import CommandContext
 
 

xonsh/completers/path.py

@@ -1,19 +1,14 @@
-import os
-import re
 import ast
 import glob
+import os
+import re
 
-from xonsh.built_ins import XSH
-from xonsh.parsers.completion_context import CommandContext
-
-import xonsh.tools as xt
-import xonsh.platform as xp
 import xonsh.lazyasd as xl
-
-from xonsh.completers.tools import (
-    RichCompletion,
-    contextual_completer,
-)
+import xonsh.platform as xp
+import xonsh.tools as xt
+from xonsh.built_ins import XSH
+from xonsh.completers.tools import RichCompletion, contextual_completer
+from xonsh.parsers.completion_context import CommandContext
 
 
 @xl.lazyobject

xonsh/completers/python.py

@@ -1,21 +1,20 @@
 """Completers for Python code"""
-import re
-import inspect
 import builtins
-import warnings
 import collections.abc as cabc
-from xonsh.parsers.completion_context import CompletionContext, PythonContext
+import inspect
+import re
+import warnings
 
-import xonsh.tools as xt
 import xonsh.lazyasd as xl
+import xonsh.tools as xt
 from xonsh.built_ins import XSH
-
 from xonsh.completers.tools import (
     CompleterResult,
+    RichCompletion,
     contextual_completer,
     get_filter_function,
-    RichCompletion,
 )
+from xonsh.parsers.completion_context import CompletionContext, PythonContext
 
 
 @xl.lazyobject

xonsh/completers/tools.py

@@ -10,7 +10,7 @@ from functools import wraps
 import xonsh.tools as xt
 from xonsh.built_ins import XSH
 from xonsh.lazyasd import lazyobject
-from xonsh.parsers.completion_context import CompletionContext, CommandContext
+from xonsh.parsers.completion_context import CommandContext, CompletionContext
 
 
 def _filter_with_func(text, prefix, func):

xonsh/diff_history.py

@@ -1,11 +1,10 @@
 """Tools for diff'ing two xonsh history files in a meaningful fashion."""
-import difflib
 import datetime
+import difflib
 import itertools
 
-from xonsh.lazyjson import LazyJSON
 from xonsh.color_tools import COLORS
-
+from xonsh.lazyjson import LazyJSON
 
 # intern some strings
 REPLACE_S = "replace"

xonsh/environ.py

@@ -1,104 +1,104 @@
 """Environment for the xonsh shell."""
-import inspect
-import os
-import re
-import sys
-import pprint
-import textwrap
-import locale
-import threading
-import warnings
-import contextlib
 import collections.abc as cabc
-import subprocess
+import contextlib
+import inspect
+import locale
+import os
 import platform
+import pprint
+import re
+import subprocess
+import sys
+import textwrap
+import threading
 import typing as tp
+import warnings
 from collections import ChainMap
 
+import xonsh.prompt.base as prompt
 from xonsh import __version__ as XONSH_VERSION
-from xonsh.lazyasd import lazyobject, LazyBool
-from xonsh.codecache import run_script_with_cache
-from xonsh.dirstack import _get_cwd
-from xonsh.events import events
-from xonsh.platform import (
-    BASH_COMPLETIONS_DEFAULT,
-    DEFAULT_ENCODING,
-    PATH_DEFAULT,
-    ON_WINDOWS,
-    ON_LINUX,
-    ON_CYGWIN,
-    os_environ,
-)
-from xonsh.built_ins import XSH
-from xonsh.tools import (
-    always_true,
-    always_false,
-    detype,
-    ensure_string,
-    is_path,
-    str_to_path,
-    path_to_str,
-    is_env_path,
-    str_to_env_path,
-    env_path_to_str,
-    is_bool,
-    to_bool,
-    bool_to_str,
-    is_bool_or_none,
-    to_bool_or_none,
-    bool_or_none_to_str,
-    is_history_tuple,
-    to_history_tuple,
-    history_tuple_to_str,
-    is_float,
-    is_string,
-    is_string_or_callable,
-    is_completions_display_value,
-    to_completions_display_value,
-    is_completion_mode,
-    to_completion_mode,
-    is_string_set,
-    csv_to_set,
-    set_to_csv,
-    is_int,
-    to_bool_or_int,
-    bool_or_int_to_str,
-    DefaultNotGiven,
-    print_exception,
-    intensify_colors_on_win_setter,
-    is_dynamic_cwd_width,
-    to_dynamic_cwd_tuple,
-    dynamic_cwd_tuple_to_str,
-    is_logfile_opt,
-    to_logfile_opt,
-    logfile_opt_to_str,
-    executables_in,
-    is_nonstring_seq_of_strings,
-    pathsep_to_upper_seq,
-    seq_to_upper_pathsep,
-    print_color,
-    is_history_backend,
-    to_itself,
-    swap_values,
-    ptk2_color_depth_setter,
-    is_str_str_dict,
-    to_str_str_dict,
-    dict_to_str,
-    to_int_or_none,
-    DefaultNotGivenType,
-    to_repr_pretty_,
-    to_shlvl,
-    is_valid_shlvl,
-    adjust_shlvl,
-)
 from xonsh.ansi_colors import (
     ansi_color_escape_code_to_name,
     ansi_color_name_to_escape_code,
     ansi_reverse_style,
     ansi_style_by_name,
 )
-import xonsh.prompt.base as prompt
+from xonsh.built_ins import XSH
+from xonsh.codecache import run_script_with_cache
+from xonsh.dirstack import _get_cwd
+from xonsh.events import events
+from xonsh.lazyasd import LazyBool, lazyobject
+from xonsh.platform import (
+    BASH_COMPLETIONS_DEFAULT,
+    DEFAULT_ENCODING,
+    ON_CYGWIN,
+    ON_LINUX,
+    ON_WINDOWS,
+    PATH_DEFAULT,
+    os_environ,
+)
 from xonsh.prompt.gitstatus import _DEFS as GITSTATUS_FIELD_DEFS
+from xonsh.tools import (
+    DefaultNotGiven,
+    DefaultNotGivenType,
+    adjust_shlvl,
+    always_false,
+    always_true,
+    bool_or_int_to_str,
+    bool_or_none_to_str,
+    bool_to_str,
+    csv_to_set,
+    detype,
+    dict_to_str,
+    dynamic_cwd_tuple_to_str,
+    ensure_string,
+    env_path_to_str,
+    executables_in,
+    history_tuple_to_str,
+    intensify_colors_on_win_setter,
+    is_bool,
+    is_bool_or_none,
+    is_completion_mode,
+    is_completions_display_value,
+    is_dynamic_cwd_width,
+    is_env_path,
+    is_float,
+    is_history_backend,
+    is_history_tuple,
+    is_int,
+    is_logfile_opt,
+    is_nonstring_seq_of_strings,
+    is_path,
+    is_str_str_dict,
+    is_string,
+    is_string_or_callable,
+    is_string_set,
+    is_valid_shlvl,
+    logfile_opt_to_str,
+    path_to_str,
+    pathsep_to_upper_seq,
+    print_color,
+    print_exception,
+    ptk2_color_depth_setter,
+    seq_to_upper_pathsep,
+    set_to_csv,
+    str_to_env_path,
+    str_to_path,
+    swap_values,
+    to_bool,
+    to_bool_or_int,
+    to_bool_or_none,
+    to_completion_mode,
+    to_completions_display_value,
+    to_dynamic_cwd_tuple,
+    to_history_tuple,
+    to_int_or_none,
+    to_itself,
+    to_logfile_opt,
+    to_repr_pretty_,
+    to_shlvl,
+    to_str_str_dict,
+)
 
 events.doc(
     "on_envvar_new",

xonsh/execer.py

@@ -1,20 +1,20 @@
 """Implements the xonsh executer."""
-import sys
-import types
-import inspect
 import builtins
 import collections.abc as cabc
+import inspect
+import sys
+import types
 
 from xonsh.ast import CtxAwareTransformer
 from xonsh.parser import Parser
 from xonsh.tools import (
-    subproc_toks,
+    balanced_parens,
+    ends_with_colon_token,
     find_next_break,
     get_logical_line,
     replace_logical_line,
-    balanced_parens,
     starting_whitespace,
-    ends_with_colon_token,
+    subproc_toks,
 )
 
 

xonsh/foreign_shells.py

@@ -1,19 +1,18 @@
 """Tools to help interface with foreign shells, such as Bash."""
+import collections.abc as cabc
+import functools
 import os
 import re
 import shlex
+import subprocess
 import sys
 import tempfile
-import subprocess
 import warnings
-import functools
-import collections.abc as cabc
 
 from xonsh.built_ins import XSH
 from xonsh.lazyasd import lazyobject
-from xonsh.tools import to_bool, ensure_string
-from xonsh.platform import ON_WINDOWS, ON_CYGWIN, ON_MSYS
-
+from xonsh.platform import ON_CYGWIN, ON_MSYS, ON_WINDOWS
+from xonsh.tools import ensure_string, to_bool
 
 COMMAND = """{seterrprevcmd}
 {prevcmd}

xonsh/history/dummy.py

@@ -1,5 +1,6 @@
 """Implements the xonsh history backend."""
 import collections
+
 from xonsh.history.base import History
 
 

xonsh/history/json.py

@@ -1,10 +1,10 @@
 """Implements JSON version of xonsh history backend."""
+import collections
+import collections.abc as cabc
 import os
 import sys
-import time
-import collections
 import threading
-import collections.abc as cabc
+import time
 
 from xonsh.built_ins import XSH
 
@@ -13,10 +13,10 @@ try:
 except ImportError:
     import json  # type: ignore
 
-from xonsh.history.base import History
-import xonsh.tools as xt
 import xonsh.lazyjson as xlj
+import xonsh.tools as xt
 import xonsh.xoreutils.uptime as uptime
+from xonsh.history.base import History
 
 
 def _xhj_gc_commands_to_rmfiles(hsize, files):

xonsh/history/main.py

@@ -6,14 +6,14 @@ import sys
 import threading
 import typing as tp
 
-from xonsh.built_ins import XSH
 import xonsh.cli_utils as xcli
+import xonsh.diff_history as xdh
+import xonsh.tools as xt
+from xonsh.built_ins import XSH
 from xonsh.history.base import History
 from xonsh.history.dummy import DummyHistory
 from xonsh.history.json import JsonHistory
 from xonsh.history.sqlite import SqliteHistory
-import xonsh.diff_history as xdh
-import xonsh.tools as xt
 
 HISTORY_BACKENDS = {"dummy": DummyHistory, "json": JsonHistory, "sqlite": SqliteHistory}
 

xonsh/history/sqlite.py

@@ -7,9 +7,9 @@ import sys
 import threading
 import time
 
+import xonsh.tools as xt
 from xonsh.built_ins import XSH
 from xonsh.history.base import History
-import xonsh.tools as xt
 
 XH_SQLITE_CACHE = threading.local()
 XH_SQLITE_TABLE_NAME = "xonsh_history"

xonsh/imphooks.py

@@ -8,15 +8,15 @@ import os
 import re
 import sys
 import types
-from importlib.abc import MetaPathFinder, SourceLoader, Loader
+from importlib.abc import Loader, MetaPathFinder, SourceLoader
 from importlib.machinery import ModuleSpec
 
 from xonsh.built_ins import XSH
 from xonsh.events import events
-from xonsh.tools import print_warning
 from xonsh.execer import Execer
 from xonsh.lazyasd import lazyobject
 from xonsh.platform import ON_WINDOWS
+from xonsh.tools import print_warning
 
 
 @lazyobject

xonsh/inspectors.py

@@ -7,21 +7,20 @@ This file was forked from the IPython project:
 * Copyright (c) 2001, Janko Hauser <jhauser@zscout.de>
 * Copyright (c) 2001, Nathaniel Gray <n8gray@caltech.edu>
 """
-import os
-import sys
-import types
 import inspect
 import itertools
 import linecache
+import os
+import sys
+import types
 
 from xonsh.lazyasd import LazyObject
-from xonsh.tokenize import detect_encoding
+from xonsh.lazyimps import pyghooks, pygments
 from xonsh.openpy import read_py_file
-from xonsh.tools import cast_unicode, safe_hasattr, indent, print_color, format_color
 from xonsh.platform import HAS_PYGMENTS
-from xonsh.lazyimps import pygments, pyghooks
 from xonsh.style_tools import partial_color_tokenize
-
+from xonsh.tokenize import detect_encoding
+from xonsh.tools import cast_unicode, format_color, indent, print_color, safe_hasattr
 
 # builtin docstrings to ignore
 _func_call_docstring = LazyObject(

xonsh/jobs.py

@@ -1,18 +1,18 @@
 """Job control for the xonsh shell."""
-import os
-import sys
-import time
+import collections
 import ctypes
+import os
 import signal
 import subprocess
-import collections
+import sys
+import time
 import typing as tp
 
 from xonsh.built_ins import XSH
 from xonsh.cli_utils import Annotated, Arg, ArgParserAlias
 from xonsh.completers.tools import RichCompletion
 from xonsh.lazyasd import LazyObject
-from xonsh.platform import FD_STDERR, ON_DARWIN, ON_WINDOWS, ON_CYGWIN, ON_MSYS, LIBC
+from xonsh.platform import FD_STDERR, LIBC, ON_CYGWIN, ON_DARWIN, ON_MSYS, ON_WINDOWS
 from xonsh.tools import unthreadable
 
 # there is not much cost initing deque

xonsh/jupyter_kernel.py

@@ -1,25 +1,25 @@
 """Hooks for Jupyter Xonsh Kernel."""
-import sys
-import json
-import hmac
-import uuid
+import datetime
 import errno
 import hashlib
-import datetime
+import hmac
+import json
+import sys
 import threading
-from pprint import pformat
+import uuid
 from argparse import ArgumentParser
 from collections.abc import Set
+from pprint import pformat
 
 import zmq
-from zmq.eventloop import ioloop, zmqstream
 from zmq.error import ZMQError
+from zmq.eventloop import ioloop, zmqstream
 
 from xonsh import __version__ as version
 from xonsh.built_ins import XSH
-from xonsh.main import setup
-from xonsh.completer import Completer
 from xonsh.commands_cache import predict_true
+from xonsh.completer import Completer
+from xonsh.main import setup
 
 MAX_SIZE = 8388608  # 8 Mb
 DELIM = b"<IDS|MSG>"

xonsh/lazyasd.py

@@ -1,14 +1,14 @@
 """Lazy and self destructive containers for speeding up module import."""
 # Copyright 2015-2016, the xonsh developers. All rights reserved.
-import os
-import sys
-import time
-import types
 import builtins
-import threading
+import collections.abc as cabc
 import importlib
 import importlib.util
-import collections.abc as cabc
+import os
+import sys
+import threading
+import time
+import types
 import typing as tp
 
 __version__ = "0.1.3"

xonsh/lazyimps.py

@@ -1,9 +1,9 @@
 """Lazy imports that may apply across the xonsh package."""
-import os
 import importlib
+import os
 
-from xonsh.platform import ON_WINDOWS, ON_DARWIN
 from xonsh.lazyasd import LazyObject, lazyobject
+from xonsh.platform import ON_DARWIN, ON_WINDOWS
 
 pygments = LazyObject(
     lambda: importlib.import_module("pygments"), globals(), "pygments"

xonsh/lazyjson.py

@@ -1,8 +1,8 @@
 """Implements a lazy JSON file class that wraps around json data."""
+import collections.abc as cabc
+import contextlib
 import io
 import weakref
-import contextlib
-import collections.abc as cabc
 
 try:
     import ujson as json

xonsh/lexer.py

@@ -3,38 +3,37 @@
 Written using a hybrid of ``tokenize`` and PLY.
 """
 import io
-import re
 
 # 'keyword' interferes with ast.keyword
 import keyword as kwmod
+import re
 import typing as tp
 
-from xonsh.ply.ply.lex import LexToken
-
 from xonsh.lazyasd import lazyobject
 from xonsh.platform import PYTHON_VERSION_INFO
+from xonsh.ply.ply.lex import LexToken
 from xonsh.tokenize import (
-    OP,
-    IOREDIRECT,
-    STRING,
-    DOLLARNAME,
-    NUMBER,
-    SEARCHPATH,
-    NEWLINE,
-    INDENT,
-    DEDENT,
-    NL,
     COMMENT,
+    DEDENT,
+    DOLLARNAME,
     ENCODING,
     ENDMARKER,
-    NAME,
     ERRORTOKEN,
     GREATER,
-    LESS,
-    RIGHTSHIFT,
-    tokenize,
-    TokenError,
     HAS_WALRUS,
+    INDENT,
+    IOREDIRECT,
+    LESS,
+    NAME,
+    NEWLINE,
+    NL,
+    NUMBER,
+    OP,
+    RIGHTSHIFT,
+    SEARCHPATH,
+    STRING,
+    TokenError,
+    tokenize,
 )
 
 

xonsh/lib/collections.py

@@ -1,10 +1,9 @@
 """Base class for chaining DBs"""
 
 import itertools
-
+import typing as tp
 from collections import ChainMap
 from collections.abc import MutableMapping, MutableSequence, MutableSet
-import typing as tp
 
 
 class ChainDBDefaultType: