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Copy pathactive_linters_view.py
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253 lines (187 loc) · 7.36 KB
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from __future__ import annotations
from collections import defaultdict
from functools import partial
import threading
import sublime
import sublime_plugin
from .lint import events, persist, util
from typing import Callable, Container, Iterator, TypedDict, TypeVar
from typing_extensions import ParamSpec
P = ParamSpec('P')
T = TypeVar('T')
U = TypeVar('U')
FileName = str
LinterName = str
class State_(TypedDict):
assigned_linters_per_file: defaultdict[FileName, set[LinterName]]
failed_linters_per_file: defaultdict[FileName, set[LinterName]]
problems_per_file: defaultdict[FileName, dict[LinterName, str]]
running: defaultdict[FileName, int]
expanded_ok: set[FileName]
ATTEMPTED_LINTERS: dict[FileName, Container[LinterName]] = {}
STATUS_ACTIVE_KEY = 'sublime_linter_status_active'
State: State_ = {
'assigned_linters_per_file': defaultdict(set),
'failed_linters_per_file': defaultdict(set),
'problems_per_file': defaultdict(dict),
'running': defaultdict(int),
'expanded_ok': set(),
}
def plugin_unloaded():
events.off(redraw_file)
events.off(on_begin_linting)
events.off(on_finished_linting)
for window in sublime.windows():
for view in window.views():
view.erase_status(STATUS_ACTIVE_KEY)
@events.on(events.LINT_START)
def on_begin_linting(filename: FileName, linter_name: LinterName) -> None:
State['running'][filename] += 1
@events.on(events.LINT_END)
def on_finished_linting(filename: FileName, linter_name: LinterName) -> None:
if State['running'][filename] <= 1:
State['running'].pop(filename)
else:
State['running'][filename] -= 1
def on_first_activate(view: sublime.View) -> None:
if not util.is_lintable(view):
return
filename = util.canonical_filename(view)
force_verbose_format(filename)
draw(view)
def on_attempted_linters_changed(filename: FileName) -> None:
force_verbose_format(filename)
redraw_file_(filename)
def force_verbose_format(filename: FileName) -> None:
State['expanded_ok'].add(filename)
enqueue_unset_expanded_ok(filename)
def enqueue_unset_expanded_ok(filename: FileName, timeout: int = 3000) -> None:
sublime.set_timeout(
throttled_on_args(_unset_expanded_ok, filename),
timeout
)
def _unset_expanded_ok(filename: FileName) -> None:
# Keep expanded if linters are running to minimize redraws
if State['running'].get(filename, 0) > 0:
enqueue_unset_expanded_ok(filename)
return
State['expanded_ok'].discard(filename)
redraw_file_(filename)
@events.on(events.LINTER_ASSIGNED)
def on_linter_assigned(filename: FileName, linter_names: set[LinterName]) -> None:
State['assigned_linters_per_file'][filename] = linter_names
State['failed_linters_per_file'][filename] = set()
if attempted_linters_changed(filename, linter_names):
on_attempted_linters_changed(filename)
@events.on(events.LINTER_UNASSIGNED)
def on_linter_unassigned(filename: FileName, linter_name: LinterName) -> None:
State['assigned_linters_per_file'][filename].discard(linter_name)
State['failed_linters_per_file'][filename].discard(linter_name)
@events.on(events.LINTER_FAILED)
def on_linter_failed(filename: FileName, linter_name: LinterName) -> None:
State['failed_linters_per_file'][filename].add(linter_name)
@events.on(events.LINT_RESULT)
def redraw_file(
filename: FileName,
linter_name: LinterName,
errors: list[persist.LintError],
**kwargs: object
) -> None:
problems = State['problems_per_file'][filename]
if linter_name in State['failed_linters_per_file'][filename]:
problems[linter_name] = '?'
elif linter_name in State['assigned_linters_per_file'][filename] or errors:
if linter_name not in State['assigned_linters_per_file'][filename]:
State['assigned_linters_per_file'][filename].add(linter_name)
counts = count_problems(errors)
if sum(counts.values()) == 0:
problems[linter_name] = ''
else:
sorted_keys = (
tuple(sorted(counts.keys() - {'w', 'e'}))
+ ('w', 'e')
)
parts = ' '.join(
"{}:{}".format(error_type, counts[error_type])
for error_type in sorted_keys
if error_type in counts and counts[error_type] > 0
)
problems[linter_name] = '({})'.format(parts)
else:
problems.pop(linter_name, None)
if actual_linters_changed(filename, set(problems.keys())):
force_verbose_format(filename)
sublime.set_timeout(lambda: redraw_file_(filename))
def count_problems(errors: list[persist.LintError]) -> dict[str, int]:
counters: defaultdict[str, int] = defaultdict(int)
for error in errors:
error_type = error['error_type']
counters[error_type[0]] += 1
return counters
def redraw_file_(filename: FileName) -> None:
for view in views_into_file(filename):
draw(view)
def views_into_file(filename: FileName) -> Iterator[sublime.View]:
return (
view
for window in sublime.windows()
for view in window.views()
if util.canonical_filename(view) == filename
)
def draw(view: sublime.View) -> None:
if persist.settings.get('statusbar.show_active_linters'):
filename = util.canonical_filename(view)
problems = State['problems_per_file'][filename]
expanded_ok = filename in State['expanded_ok']
if (
not expanded_ok
and problems.keys()
and all(part == '' for part in problems.values())
):
message = 'ok'
view.set_status(STATUS_ACTIVE_KEY, message)
return
message = ' '.join(
'{}{}'.format(linter_name, summary)
for linter_name, summary in sorted(problems.items(), key=by_severity)
)
view.set_status(STATUS_ACTIVE_KEY, message)
else:
view.erase_status(STATUS_ACTIVE_KEY)
def by_severity(item):
linter_name, summary = item
if summary == '':
return (0, linter_name)
elif summary[0] == '?':
return (2, linter_name)
return (1, linter_name)
THROTTLER_TOKENS = {}
THROTTLER_LOCK = threading.Lock()
def throttled_on_args(fn: Callable[P, T], *args: P.args, **kwargs: P.kwargs) -> Callable[[], None]:
key = (fn,) + args
action = partial(fn, *args, **kwargs)
with THROTTLER_LOCK:
THROTTLER_TOKENS[key] = action
def program():
with THROTTLER_LOCK:
# Use `get` bc during hot-reload `THROTTLER_TOKENS` gets emptied
ok = THROTTLER_TOKENS.get(key) == action
if ok:
action()
return program
ACTIVATED_VIEWS: set[sublime.View] = set()
class OnFirstActivate(sublime_plugin.EventListener):
def on_activated(self, view: sublime.View) -> None:
if view in ACTIVATED_VIEWS:
return
ACTIVATED_VIEWS.add(view)
on_first_activate(view)
def on_close(self, view: sublime.View) -> None:
ACTIVATED_VIEWS.discard(view)
def distinct_mapping(store: dict[T, U], key: T, val: U) -> bool:
"""Store key/value pair in the `store`; return if the value has changed"""
previous = store.get(key)
current = store[key] = val
return current != previous
actual_linters_changed = partial(distinct_mapping, persist.actual_linters)
attempted_linters_changed = partial(distinct_mapping, ATTEMPTED_LINTERS)