anki/qt/aqt/profiles.py
Damien Elmes 52642d693b drop PyAudio support
I do not recall anyone reporting that it worked better than the Qt
implementation for them, and the lack of recent wheels on PyPI is a pain.
We can always add it back in the future if enough people come out of
the woodwork to report they were using it.
2021-10-15 13:15:16 +10:00

559 lines
18 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 io
import pickle
import random
import shutil
import traceback
from enum import Enum
from typing import Any
from send2trash import send2trash
import anki.lang
import aqt.forms
import aqt.sound
from anki.collection import Collection
from anki.db import DB
from anki.lang import without_unicode_isolation
from anki.sync import SyncAuth
from anki.utils import intTime, isMac, isWin
from aqt import appHelpSite
from aqt.qt import *
from aqt.utils import disable_help_button, showWarning, tr
# Profile handling
##########################################################################
# - Saves in pickles rather than json to easily store Qt window state.
# - Saves in sqlite rather than a flat file so the config can't be corrupted
class VideoDriver(Enum):
OpenGL = "auto"
ANGLE = "angle"
Software = "software"
@staticmethod
def default_for_platform() -> VideoDriver:
if isMac:
return VideoDriver.OpenGL
else:
return VideoDriver.Software
def constrained_to_platform(self) -> VideoDriver:
if self == VideoDriver.ANGLE and not isWin:
return VideoDriver.Software
return self
def next(self) -> VideoDriver:
if self == VideoDriver.Software:
return VideoDriver.OpenGL
elif self == VideoDriver.OpenGL and isWin:
return VideoDriver.ANGLE
else:
return VideoDriver.Software
@staticmethod
def all_for_platform() -> list[VideoDriver]:
all = [VideoDriver.OpenGL]
if isWin:
all.append(VideoDriver.ANGLE)
all.append(VideoDriver.Software)
return all
metaConf = dict(
ver=0,
updates=True,
created=intTime(),
id=random.randrange(0, 2 ** 63),
lastMsg=-1,
suppressUpdate=False,
firstRun=True,
defaultLang=None,
)
profileConf: dict[str, Any] = dict(
# profile
mainWindowGeom=None,
mainWindowState=None,
numBackups=50,
lastOptimize=intTime(),
# editing
searchHistory=[],
lastTextColor="#00f",
lastHighlightColor="#00f",
# syncing
syncKey=None,
syncMedia=True,
autoSync=True,
# importing
allowHTML=False,
importMode=1,
# these are not used, but Anki 2.1.42 and below
# expect these keys to exist
lastColour="#00f",
stripHTML=True,
deleteMedia=False,
)
class LoadMetaResult:
firstTime: bool
loadError: bool
class ProfileManager:
def __init__(self, base: str | None = None) -> None: #
## Settings which should be forgotten each Anki restart
self.session: dict[str, Any] = {}
self.name: str | None = None
self.db: DB | None = None
self.profile: dict | None = None
# instantiate base folder
self.base: str
self._setBaseFolder(base)
def setupMeta(self) -> LoadMetaResult:
# load metadata
res = self._loadMeta()
self.firstRun = res.firstTime
return res
# profile load on startup
def openProfile(self, profile: str) -> None:
if profile:
if profile not in self.profiles():
QMessageBox.critical(
None, tr.qt_misc_error(), tr.profiles_profile_does_not_exist()
)
sys.exit(1)
try:
self.load(profile)
except TypeError as exc:
raise Exception("Provided profile does not exist.") from exc
# Base creation
######################################################################
def ensureBaseExists(self) -> None:
self._ensureExists(self.base)
# Profile load/save
######################################################################
def profiles(self) -> list:
def names() -> list:
return self.db.list("select name from profiles where name != '_global'")
n = names()
if not n:
self._ensureProfile()
n = names()
return n
def _unpickle(self, data: bytes) -> Any:
class Unpickler(pickle.Unpickler):
def find_class(self, class_module: str, name: str) -> Any:
# handle sip lookup ourselves, mapping to current Qt version
if class_module == "sip" or class_module.endswith(".sip"):
def unpickle_type(module: str, klass: str, args: Any) -> Any:
if qtmajor > 5:
module = module.replace("Qt5", "Qt6")
else:
module = module.replace("Qt6", "Qt5")
if klass == "QByteArray":
if module.startswith("PyQt4"):
# can't trust str objects from python 2
return QByteArray()
else:
# return the bytes directly
return args[0]
elif name == "_unpickle_enum":
if qtmajor == 5:
return sip._unpickle_enum(module, klass, args) # type: ignore
else:
# old style enums can't be unpickled
return None
else:
return sip._unpickle_type(module, klass, args) # type: ignore
return unpickle_type
up = Unpickler(io.BytesIO(data), errors="ignore")
return up.load()
def _pickle(self, obj: Any) -> bytes:
for key, val in obj.items():
if isinstance(val, QByteArray):
obj[key] = bytes(val) # type: ignore
return pickle.dumps(obj, protocol=4)
def load(self, name: str) -> bool:
assert name != "_global"
data = self.db.scalar(
"select cast(data as blob) from profiles where name = ?", name
)
self.name = name
try:
self.profile = self._unpickle(data)
except:
QMessageBox.warning(
None,
tr.profiles_profile_corrupt(),
tr.profiles_anki_could_not_read_your_profile(),
)
traceback.print_stack()
print("resetting corrupt profile")
self.profile = profileConf.copy()
self.save()
return True
def save(self) -> None:
sql = "update profiles set data = ? where name = ?"
self.db.execute(sql, self._pickle(self.profile), self.name)
self.db.execute(sql, self._pickle(self.meta), "_global")
self.db.commit()
def create(self, name: str) -> None:
prof = profileConf.copy()
self.db.execute(
"insert or ignore into profiles values (?, ?)", name, self._pickle(prof)
)
self.db.commit()
def remove(self, name: str) -> None:
p = self.profileFolder()
if os.path.exists(p):
send2trash(p)
self.db.execute("delete from profiles where name = ?", name)
self.db.commit()
def trashCollection(self) -> None:
p = self.collectionPath()
if os.path.exists(p):
send2trash(p)
def rename(self, name: str) -> None:
oldName = self.name
oldFolder = self.profileFolder()
self.name = name
newFolder = self.profileFolder(create=False)
if os.path.exists(newFolder):
if (oldFolder != newFolder) and (oldFolder.lower() == newFolder.lower()):
# OS is telling us the folder exists because it does not take
# case into account; use a temporary folder location
midFolder = "".join([oldFolder, "-temp"])
if not os.path.exists(midFolder):
os.rename(oldFolder, midFolder)
oldFolder = midFolder
else:
showWarning(tr.profiles_please_remove_the_folder_and(val=midFolder))
self.name = oldName
return
else:
showWarning(tr.profiles_folder_already_exists())
self.name = oldName
return
# update name
self.db.execute("update profiles set name = ? where name = ?", name, oldName)
# rename folder
try:
os.rename(oldFolder, newFolder)
except Exception as e:
self.db.rollback()
if "WinError 5" in str(e):
showWarning(tr.profiles_anki_could_not_rename_your_profile())
else:
raise
except:
self.db.rollback()
raise
else:
self.db.commit()
# Folder handling
######################################################################
def profileFolder(self, create: bool = True) -> str:
path = os.path.join(self.base, self.name)
if create:
self._ensureExists(path)
return path
def addonFolder(self) -> str:
return self._ensureExists(os.path.join(self.base, "addons21"))
def backupFolder(self) -> str:
return self._ensureExists(os.path.join(self.profileFolder(), "backups"))
def collectionPath(self) -> str:
return os.path.join(self.profileFolder(), "collection.anki2")
# Downgrade
######################################################################
def downgrade(self, profiles: list[str]) -> list[str]:
"Downgrade all profiles. Return a list of profiles that couldn't be opened."
problem_profiles = []
for name in profiles:
path = os.path.join(self.base, name, "collection.anki2")
if not os.path.exists(path):
continue
with DB(path) as db:
if db.scalar("select ver from col") == 11:
# nothing to do
continue
try:
c = Collection(path)
c.close(save=False, downgrade=True)
except Exception as e:
print(e)
problem_profiles.append(name)
return problem_profiles
# Helpers
######################################################################
def _ensureExists(self, path: str) -> str:
if not os.path.exists(path):
os.makedirs(path)
return path
def _setBaseFolder(self, cmdlineBase: str | None) -> None:
if cmdlineBase:
self.base = os.path.abspath(cmdlineBase)
elif os.environ.get("ANKI_BASE"):
self.base = os.path.abspath(os.environ["ANKI_BASE"])
else:
self.base = self._defaultBase()
self.ensureBaseExists()
def _defaultBase(self) -> str:
if isWin:
from aqt.winpaths import get_appdata
return os.path.join(get_appdata(), "Anki2")
elif isMac:
return os.path.expanduser("~/Library/Application Support/Anki2")
else:
dataDir = os.environ.get(
"XDG_DATA_HOME", os.path.expanduser("~/.local/share")
)
if not os.path.exists(dataDir):
os.makedirs(dataDir)
return os.path.join(dataDir, "Anki2")
def _loadMeta(self, retrying: bool = False) -> LoadMetaResult:
result = LoadMetaResult()
result.firstTime = False
result.loadError = retrying
opath = os.path.join(self.base, "prefs.db")
path = os.path.join(self.base, "prefs21.db")
if not retrying and os.path.exists(opath) and not os.path.exists(path):
shutil.copy(opath, path)
result.firstTime = not os.path.exists(path)
def recover() -> None:
# if we can't load profile, start with a new one
if self.db:
try:
self.db.close()
except:
pass
for suffix in ("", "-journal"):
fpath = path + suffix
if os.path.exists(fpath):
os.unlink(fpath)
# open DB file and read data
try:
self.db = DB(path)
assert self.db.scalar("pragma integrity_check") == "ok"
self.db.execute(
"""
create table if not exists profiles
(name text primary key, data blob not null);"""
)
data = self.db.scalar(
"select cast(data as blob) from profiles where name = '_global'"
)
except:
traceback.print_stack()
if result.loadError:
# already failed, prevent infinite loop
raise
# delete files and try again
recover()
return self._loadMeta(retrying=True)
# try to read data
if not result.firstTime:
try:
self.meta = self._unpickle(data)
return result
except:
traceback.print_stack()
print("resetting corrupt _global")
result.loadError = True
result.firstTime = True
# if new or read failed, create a default global profile
self.meta = metaConf.copy()
self.db.execute(
"insert or replace into profiles values ('_global', ?)",
self._pickle(metaConf),
)
return result
def _ensureProfile(self) -> None:
"Create a new profile if none exists."
self.create(tr.profiles_user_1())
p = os.path.join(self.base, "README.txt")
with open(p, "w", encoding="utf8") as file:
file.write(
without_unicode_isolation(
tr.profiles_folder_readme(
link=f"{appHelpSite}files#startup-options",
)
)
+ "\n"
)
# Default language
######################################################################
# On first run, allow the user to choose the default language
def setDefaultLang(self, idx: int) -> None:
# create dialog
class NoCloseDiag(QDialog):
def reject(self) -> None:
pass
d = self.langDiag = NoCloseDiag()
f = self.langForm = aqt.forms.setlang.Ui_Dialog()
f.setupUi(d)
disable_help_button(d)
qconnect(d.accepted, self._onLangSelected)
qconnect(d.rejected, lambda: True)
# update list
f.lang.addItems([x[0] for x in anki.lang.langs])
f.lang.setCurrentRow(idx)
d.exec()
def _onLangSelected(self) -> None:
f = self.langForm
obj = anki.lang.langs[f.lang.currentRow()]
code = obj[1]
name = obj[0]
r = QMessageBox.question(
None, "Anki", tr.profiles_confirm_lang_choice(lang=name), QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No, QMessageBox.StandardButton.No # type: ignore
)
if r != QMessageBox.StandardButton.Yes:
return self.setDefaultLang(f.lang.currentRow())
self.setLang(code)
def setLang(self, code: str) -> None:
self.meta["defaultLang"] = code
sql = "update profiles set data = ? where name = ?"
self.db.execute(sql, self._pickle(self.meta), "_global")
self.db.commit()
anki.lang.set_lang(code)
# OpenGL
######################################################################
def _gldriver_path(self) -> str:
return os.path.join(self.base, "gldriver")
def video_driver(self) -> VideoDriver:
path = self._gldriver_path()
try:
with open(path, encoding="utf8") as file:
text = file.read().strip()
return VideoDriver(text).constrained_to_platform()
except (ValueError, OSError):
return VideoDriver.default_for_platform()
def set_video_driver(self, driver: VideoDriver) -> None:
with open(self._gldriver_path(), "w", encoding="utf8") as file:
file.write(driver.value)
def set_next_video_driver(self) -> None:
self.set_video_driver(self.video_driver().next())
# Shared options
######################################################################
def uiScale(self) -> float:
scale = self.meta.get("uiScale", 1.0)
return max(scale, 1)
def setUiScale(self, scale: float) -> None:
self.meta["uiScale"] = scale
def last_addon_update_check(self) -> int:
return self.meta.get("last_addon_update_check", 0)
def set_last_addon_update_check(self, secs: int) -> None:
self.meta["last_addon_update_check"] = secs
def night_mode(self) -> bool:
return self.meta.get("night_mode", False)
def set_night_mode(self, on: bool) -> None:
self.meta["night_mode"] = on
def dark_mode_widgets(self) -> bool:
return self.meta.get("dark_mode_widgets", False)
# Profile-specific
######################################################################
def set_sync_key(self, val: str | None) -> None:
self.profile["syncKey"] = val
def set_sync_username(self, val: str | None) -> None:
self.profile["syncUser"] = val
def set_host_number(self, val: int | None) -> None:
self.profile["hostNum"] = val or 0
def media_syncing_enabled(self) -> bool:
return self.profile["syncMedia"]
def auto_syncing_enabled(self) -> bool:
return self.profile["autoSync"]
def sync_auth(self) -> SyncAuth | None:
hkey = self.profile.get("syncKey")
if not hkey:
return None
return SyncAuth(hkey=hkey, host_number=self.profile.get("hostNum", 0))
def clear_sync_auth(self) -> None:
self.profile["syncKey"] = None
self.profile["syncUser"] = None
self.profile["hostNum"] = 0
def auto_sync_media_minutes(self) -> int:
return self.profile.get("autoSyncMediaMinutes", 15)
def set_auto_sync_media_minutes(self, val: int) -> None:
self.profile["autoSyncMediaMinutes"] = val
def show_browser_table_tooltips(self) -> bool:
return self.profile.get("browserTableTooltips", True)
def set_show_browser_table_tooltips(self, val: bool) -> None:
self.profile["browserTableTooltips"] = val