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Code Issues Releases Wiki Activity

#334: Don't wait for all rules before showing result

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This commit is contained in:
nvbn 2015-09-01 12:51:41 +03:00
parent ebe53f0d18
commit 12394ca842
7 changed files with 132 additions and 46 deletions
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6
tests/conftest.py
View File

@ -1,6 +1,12 @@
import pytest
from mock import Mock
@pytest.fixture
def no_memoize(monkeypatch):
monkeypatch.setattr('thefuck.utils.memoize.disabled', True)
@pytest.fixture
def settings():
return Mock(debug=False, no_colors=True)

13
tests/test_corrector.py
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@ -3,7 +3,7 @@ from pathlib import PosixPath, Path
from mock import Mock
from thefuck import corrector, conf, types
from tests.utils import Rule, Command, CorrectedCommand
from thefuck.corrector import make_corrected_commands, get_corrected_commands, remove_duplicates
from thefuck.corrector import make_corrected_commands, get_corrected_commands
def test_load_rule(mocker):
@ -75,15 +75,6 @@ class TestGetCorrectedCommands(object):
== [CorrectedCommand(script='test!', priority=100)]
def test_remove_duplicates():
side_effect = lambda *_: None
assert set(remove_duplicates([CorrectedCommand('ls', priority=100),
CorrectedCommand('ls', priority=200),
CorrectedCommand('ls', side_effect, 300)])) \
== {CorrectedCommand('ls', priority=100),
CorrectedCommand('ls', side_effect, 300)}
def test_get_corrected_commands(mocker):
command = Command('test', 'test', 'test')
rules = [Rule(match=lambda *_: False),
@ -94,4 +85,4 @@ def test_get_corrected_commands(mocker):
priority=60)]
mocker.patch('thefuck.corrector.get_rules', return_value=rules)
assert [cmd.script for cmd in get_corrected_commands(command, None, Mock(debug=False))] \
== ['test@', 'test!', 'test;']
== ['test!', 'test@', 'test;']

33
tests/test_types.py
View File

@ -1,5 +1,6 @@
from thefuck.types import RulesNamesList, Settings
from tests.utils import Rule
from thefuck.types import RulesNamesList, Settings, \
SortedCorrectedCommandsSequence
from tests.utils import Rule, CorrectedCommand
def test_rules_names_list():
@ -15,3 +16,31 @@ def test_update_settings():
assert new_settings.key == 'val'
assert new_settings.unset == 'unset-value'
assert settings.key == 'val'
class TestSortedCorrectedCommandsSequence(object):
def test_realises_generator_only_on_demand(self, settings):
should_realise = False
def gen():
nonlocal should_realise
yield CorrectedCommand('git commit')
yield CorrectedCommand('git branch', priority=200)
assert should_realise
yield CorrectedCommand('git checkout', priority=100)
commands = SortedCorrectedCommandsSequence(gen(), settings)
assert commands[0] == CorrectedCommand('git commit')
should_realise = True
assert commands[1] == CorrectedCommand('git checkout', priority=100)
assert commands[2] == CorrectedCommand('git branch', priority=200)
def test_remove_duplicates(self, settings):
side_effect = lambda *_: None
seq = SortedCorrectedCommandsSequence(
iter([CorrectedCommand('ls', priority=100),
CorrectedCommand('ls', priority=200),
CorrectedCommand('ls', side_effect, 300)]),
settings)
assert set(seq) == {CorrectedCommand('ls', priority=100),
CorrectedCommand('ls', side_effect, 300)}

24
tests/test_ui.py
View File

@ -4,7 +4,7 @@ from mock import Mock
import pytest
from itertools import islice
from thefuck import ui
from thefuck.types import CorrectedCommand
from thefuck.types import CorrectedCommand, SortedCorrectedCommandsSequence
@pytest.fixture
@ -58,14 +58,18 @@ def test_command_selector():
class TestSelectCommand(object):
@pytest.fixture
def commands_with_side_effect(self):
return [CorrectedCommand('ls', lambda *_: None, 100),
CorrectedCommand('cd', lambda *_: None, 100)]
def commands_with_side_effect(self, settings):
return SortedCorrectedCommandsSequence(
iter([CorrectedCommand('ls', lambda *_: None, 100),
CorrectedCommand('cd', lambda *_: None, 100)]),
settings)
@pytest.fixture
def commands(self):
return [CorrectedCommand('ls', None, 100),
CorrectedCommand('cd', None, 100)]
def commands(self, settings):
return SortedCorrectedCommandsSequence(
iter([CorrectedCommand('ls', None, 100),
CorrectedCommand('cd', None, 100)]),
settings)
def test_without_commands(self, capsys):
assert ui.select_command([], Mock(debug=False, no_color=True)) is None
@ -92,9 +96,11 @@ class TestSelectCommand(object):
require_confirmation=True)) == commands[0]
assert capsys.readouterr() == ('', u'\x1b[1K\rls [enter/↑/↓/ctrl+c]\n')
def test_with_confirmation_one_match(self, capsys, patch_getch, commands):
def test_with_confirmation_one_match(self, capsys, patch_getch, commands,
settings):
patch_getch(['\n'])
assert ui.select_command((commands[0],),
seq = SortedCorrectedCommandsSequence(iter([commands[0]]), settings)
assert ui.select_command(seq,
Mock(debug=False, no_color=True,
require_confirmation=True)) == commands[0]
assert capsys.readouterr() == ('', u'\x1b[1K\rls [enter/ctrl+c]\n')

22
thefuck/corrector.py
View File

@ -2,7 +2,6 @@ import sys
from imp import load_source
from pathlib import Path
from . import conf, types, logs
from .utils import eager
def load_rule(rule, settings):
@ -27,17 +26,16 @@ def get_loaded_rules(rules, settings):
yield loaded_rule
@eager
def get_rules(user_dir, settings):
"""Returns all enabled rules."""
bundled = Path(__file__).parent \
.joinpath('rules') \
.glob('*.py')
user = user_dir.joinpath('rules').glob('*.py')
return get_loaded_rules(sorted(bundled) + sorted(user), settings)
return sorted(get_loaded_rules(sorted(bundled) + sorted(user), settings),
key=lambda rule: rule.priority)
@eager
def get_matched_rules(command, rules, settings):
"""Returns first matched rule for command."""
script_only = command.stdout is None and command.stderr is None
@ -66,22 +64,8 @@ def make_corrected_commands(command, rules, settings):
priority=(n + 1) * rule.priority)
def remove_duplicates(corrected_commands):
commands = {(command.script, command.side_effect): command
for command in sorted(corrected_commands,
key=lambda command: -command.priority)}
return commands.values()
def get_corrected_commands(command, user_dir, settings):
rules = get_rules(user_dir, settings)
logs.debug(
u'Loaded rules: {}'.format(', '.join(rule.name for rule in rules)),
settings)
matched = get_matched_rules(command, rules, settings)
logs.debug(
u'Matched rules: {}'.format(', '.join(rule.name for rule in matched)),
settings)
corrected_commands = make_corrected_commands(command, matched, settings)
return sorted(remove_duplicates(corrected_commands),
key=lambda corrected_command: corrected_command.priority)
return types.SortedCorrectedCommandsSequence(corrected_commands, settings)

74
thefuck/types.py
View File

@ -1,5 +1,6 @@
from collections import namedtuple
from traceback import format_stack
from .logs import debug
Command = namedtuple('Command', ('script', 'stdout', 'stderr'))
@ -18,7 +19,6 @@ class RulesNamesList(list):
class Settings(dict):
def __getattr__(self, item):
return self.get(item)
@ -29,3 +29,73 @@ class Settings(dict):
conf = dict(kwargs)
conf.update(self)
return Settings(conf)
class SortedCorrectedCommandsSequence(object):
"""List-like collection/wrapper around generator, that:
- immediately gives access to the first commands through [];
- realises generator and sorts commands on first access to other
commands through [], or when len called.
"""
def __init__(self, commands, settings):
self._settings = settings
self._commands = commands
self._cached = self._get_first_two_unique()
self._realised = False
def _get_first_two_unique(self):
"""Returns first two unique commands."""
try:
first = next(self._commands)
except StopIteration:
return []
for command in self._commands:
if command.script != first.script or \
command.side_effect != first.side_effect:
return [first, command]
return [first]
def _remove_duplicates(self, corrected_commands):
"""Removes low-priority duplicates."""
commands = {(command.script, command.side_effect): command
for command in sorted(corrected_commands,
key=lambda command: -command.priority)
if command.script != self._cached[0].script
or command.side_effect != self._cached[0].side_effect}
return commands.values()
def _realise(self):
"""Realises generator, removes duplicates and sorts commands."""
commands = self._cached[1:] + list(self._commands)
commands = self._remove_duplicates(commands)
self._cached = [self._cached[0]] + sorted(
commands, key=lambda corrected_command: corrected_command.priority)
self._realised = True
debug('SortedCommandsSequence was realised with: {}, after: {}'.format(
self._cached, '\n'.join(format_stack())), self._settings)
def __getitem__(self, item):
if item != 0 and not self._realised:
self._realise()
return self._cached[item]
def __bool__(self):
return bool(self._cached)
def __len__(self):
if not self._realised:
self._realise()
return len(self._cached)
def __iter__(self):
if not self._realised:
self._realise()
return iter(self._cached)
@property
def is_multiple(self):
return len(self._cached) > 1

6
thefuck/ui.py
View File

@ -88,9 +88,9 @@ def select_command(corrected_commands, settings):
logs.show_corrected_command(selector.value, settings)
return selector.value
multiple_cmds = len(corrected_commands) > 1
selector.on_change(lambda val: logs.confirm_text(val, multiple_cmds, settings))
selector.on_change(
lambda val: logs.confirm_text(val, corrected_commands.is_multiple,
settings))
for action in read_actions():
if action == SELECT:
sys.stderr.write('\n')