anki/qt/aqt/mediasync.py
2021-03-26 13:48:26 +10:00

222 lines
7.1 KiB
Python

# Copyright: Ankitects Pty Ltd and contributors
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
from __future__ import annotations
import time
from concurrent.futures import Future
from dataclasses import dataclass
from typing import Any, Callable, List, Optional, Union
import aqt
from anki.collection import Progress
from anki.errors import Interrupted, NetworkError
from anki.types import assert_exhaustive
from anki.utils import intTime
from aqt import gui_hooks
from aqt.qt import QDialog, QDialogButtonBox, QPushButton, QTextCursor, QTimer, qconnect
from aqt.utils import disable_help_button, showWarning, tr
LogEntry = Union[Progress.MediaSync, str]
@dataclass
class LogEntryWithTime:
time: int
entry: LogEntry
class MediaSyncer:
def __init__(self, mw: aqt.main.AnkiQt) -> None:
self.mw = mw
self._syncing: bool = False
self._log: List[LogEntryWithTime] = []
self._progress_timer: Optional[QTimer] = None
gui_hooks.media_sync_did_start_or_stop.append(self._on_start_stop)
def _on_progress(self) -> None:
progress = self.mw.col.latest_progress()
if not progress.HasField("media_sync"):
return
sync_progress = progress.media_sync
self._log_and_notify(sync_progress)
def start(self) -> None:
"Start media syncing in the background, if it's not already running."
if self._syncing:
return
if not self.mw.pm.media_syncing_enabled():
self._log_and_notify(tr.sync_media_disabled())
return
auth = self.mw.pm.sync_auth()
if auth is None:
return
self._log_and_notify(tr.sync_media_starting())
self._syncing = True
self._progress_timer = self.mw.progress.timer(
1000, self._on_progress, True, True
)
gui_hooks.media_sync_did_start_or_stop(True)
def run() -> None:
self.mw.col.sync_media(auth)
self.mw.taskman.run_in_background(run, self._on_finished)
def _log_and_notify(self, entry: LogEntry) -> None:
entry_with_time = LogEntryWithTime(time=intTime(), entry=entry)
self._log.append(entry_with_time)
self.mw.taskman.run_on_main(
lambda: gui_hooks.media_sync_did_progress(entry_with_time)
)
def _on_finished(self, future: Future) -> None:
self._syncing = False
if self._progress_timer:
self._progress_timer.stop()
self._progress_timer = None
gui_hooks.media_sync_did_start_or_stop(False)
exc = future.exception()
if exc is not None:
self._handle_sync_error(exc)
else:
self._log_and_notify(tr.sync_media_complete())
def _handle_sync_error(self, exc: BaseException) -> None:
if isinstance(exc, Interrupted):
self._log_and_notify(tr.sync_media_aborted())
return
elif isinstance(exc, NetworkError):
# avoid popups for network errors
self._log_and_notify(str(exc))
return
self._log_and_notify(tr.sync_media_failed())
showWarning(str(exc))
def entries(self) -> List[LogEntryWithTime]:
return self._log
def abort(self) -> None:
if not self.is_syncing():
return
self._log_and_notify(tr.sync_media_aborting())
self.mw.col.set_wants_abort()
self.mw.col.abort_media_sync()
def is_syncing(self) -> bool:
return self._syncing
def _on_start_stop(self, running: bool) -> None:
self.mw.toolbar.set_sync_active(running)
def show_sync_log(self) -> None:
aqt.dialogs.open("sync_log", self.mw, self)
def show_diag_until_finished(self, on_finished: Callable[[], None]) -> None:
# nothing to do if not syncing
if not self.is_syncing():
return on_finished()
diag: MediaSyncDialog = aqt.dialogs.open("sync_log", self.mw, self, True)
diag.show()
timer: Optional[QTimer] = None
def check_finished() -> None:
if not self.is_syncing():
timer.stop()
on_finished()
timer = self.mw.progress.timer(150, check_finished, True, False)
def seconds_since_last_sync(self) -> int:
if self.is_syncing():
return 0
if self._log:
last = self._log[-1].time
else:
last = 0
return intTime() - last
class MediaSyncDialog(QDialog):
silentlyClose = True
def __init__(
self, mw: aqt.main.AnkiQt, syncer: MediaSyncer, close_when_done: bool = False
) -> None:
super().__init__(mw)
self.mw = mw
self._syncer = syncer
self._close_when_done = close_when_done
self.form = aqt.forms.synclog.Ui_Dialog()
self.form.setupUi(self)
self.setWindowTitle(tr.sync_media_log_title())
disable_help_button(self)
self.abort_button = QPushButton(tr.sync_abort_button())
qconnect(self.abort_button.clicked, self._on_abort)
self.abort_button.setAutoDefault(False)
self.form.buttonBox.addButton(self.abort_button, QDialogButtonBox.ActionRole)
self.abort_button.setHidden(not self._syncer.is_syncing())
gui_hooks.media_sync_did_progress.append(self._on_log_entry)
gui_hooks.media_sync_did_start_or_stop.append(self._on_start_stop)
self.form.plainTextEdit.setPlainText(
"\n".join(self._entry_to_text(x) for x in syncer.entries())
)
self.form.plainTextEdit.moveCursor(QTextCursor.End)
self.show()
def reject(self) -> None:
if self._close_when_done and self._syncer.is_syncing():
# closing while syncing on close starts an abort
self._on_abort()
return
aqt.dialogs.markClosed("sync_log")
QDialog.reject(self)
def reopen(
self, mw: aqt.AnkiQt, syncer: Any, close_when_done: bool = False
) -> None:
self._close_when_done = close_when_done
self.show()
def _on_abort(self, *_args: Any) -> None:
self._syncer.abort()
self.abort_button.setHidden(True)
def _time_and_text(self, stamp: int, text: str) -> str:
asctime = time.asctime(time.localtime(stamp))
return f"{asctime}: {text}"
def _entry_to_text(self, entry: LogEntryWithTime) -> str:
if isinstance(entry.entry, str):
txt = entry.entry
elif isinstance(entry.entry, Progress.MediaSync):
txt = self._logentry_to_text(entry.entry)
else:
assert_exhaustive(entry.entry)
return self._time_and_text(entry.time, txt)
def _logentry_to_text(self, e: Progress.MediaSync) -> str:
return f"{e.added}, {e.removed}, {e.checked}"
def _on_log_entry(self, entry: LogEntryWithTime) -> None:
self.form.plainTextEdit.appendPlainText(self._entry_to_text(entry))
if not self._syncer.is_syncing():
self.abort_button.setHidden(True)
def _on_start_stop(self, running: bool) -> None:
if not running and self._close_when_done:
aqt.dialogs.markClosed("sync_log")
self._close_when_done = False
self.close()