356 lines
12 KiB
Python
356 lines
12 KiB
Python
# Copyright: Damien Elmes <anki@ichi2.net>
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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# Profile handling
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##########################################################################
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# - Saves in pickles rather than json to easily store Qt window state.
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# - Saves in sqlite rather than a flat file so the config can't be corrupted
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import os
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import random
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import pickle
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import locale
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import re
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from aqt.qt import *
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from anki.db import DB
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from anki.utils import isMac, isWin, intTime, checksum
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import anki.lang
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from aqt.utils import showWarning
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from aqt import appHelpSite
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import aqt.forms
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from send2trash import send2trash
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metaConf = dict(
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ver=0,
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updates=True,
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created=intTime(),
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id=random.randrange(0, 2**63),
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lastMsg=-1,
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suppressUpdate=False,
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firstRun=True,
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defaultLang=None,
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disabledAddons=[],
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)
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profileConf = dict(
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# profile
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key=None,
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mainWindowGeom=None,
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mainWindowState=None,
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numBackups=30,
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lastOptimize=intTime(),
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# editing
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fullSearch=False,
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searchHistory=[],
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lastColour="#00f",
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stripHTML=True,
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pastePNG=False,
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# not exposed in gui
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deleteMedia=False,
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preserveKeyboard=True,
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# syncing
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syncKey=None,
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syncMedia=True,
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autoSync=True,
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# importing
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allowHTML=False,
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importMode=1,
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)
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class ProfileManager(object):
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def __init__(self, base=None, profile=None):
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self.name = None
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self.db = None
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# instantiate base folder
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if base:
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self.base = os.path.abspath(base)
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else:
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self.base = self._defaultBase()
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self.ensureBaseExists()
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# load metadata
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self.firstRun = self._loadMeta()
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# did the user request a profile to start up with?
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if profile:
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if profile not in self.profiles():
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QMessageBox.critical(None, "Error", "Requested profile does not exist.")
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sys.exit(1)
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try:
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self.load(profile)
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except TypeError:
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raise Exception("Provided profile does not exist.")
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# Base creation
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######################################################################
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def ensureBaseExists(self):
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try:
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self._ensureExists(self.base)
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except:
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# can't translate, as lang not initialized
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QMessageBox.critical(
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None, "Error", """\
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Anki could not create the folder %s. Please ensure that location is not \
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read-only and you have permission to write to it. If you cannot fix this \
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issue, please see the documentation for information on running Anki from \
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a flash drive.""" % self.base)
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raise
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# Profile load/save
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######################################################################
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def profiles(self):
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return sorted(x for x in
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self.db.list("select name from profiles")
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if x != "_global")
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def load(self, name, passwd=None):
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data = self.db.scalar("select cast(data as blob) from profiles where name = ?", name)
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# some profiles created in python2 may not decode properly
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prof = pickle.loads(data, errors="ignore")
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if prof['key'] and prof['key'] != self._pwhash(passwd):
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self.name = None
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return False
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if name != "_global":
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self.name = name
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self.profile = prof
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return True
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def save(self):
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sql = "update profiles set data = ? where name = ?"
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self.db.execute(sql, pickle.dumps(self.profile), self.name)
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self.db.execute(sql, pickle.dumps(self.meta), "_global")
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self.db.commit()
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def create(self, name):
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prof = profileConf.copy()
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self.db.execute("insert into profiles values (?, ?)",
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name, pickle.dumps(prof))
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self.db.commit()
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def remove(self, name):
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p = self.profileFolder()
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if os.path.exists(p):
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send2trash(p)
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self.db.execute("delete from profiles where name = ?", name)
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self.db.commit()
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def rename(self, name):
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oldName = self.name
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oldFolder = self.profileFolder()
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self.name = name
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newFolder = self.profileFolder(create=False)
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if os.path.exists(newFolder):
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if (oldFolder != newFolder) and (
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oldFolder.lower() == newFolder.lower()):
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# OS is telling us the folder exists because it does not take
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# case into account; use a temporary folder location
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midFolder = ''.join([oldFolder, '-temp'])
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if not os.path.exists(midFolder):
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os.rename(oldFolder, midFolder)
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oldFolder = midFolder
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else:
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showWarning(_("Please remove the folder %s and try again.")
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% midFolder)
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self.name = oldName
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return
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else:
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showWarning(_("Folder already exists."))
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self.name = oldName
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return
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# update name
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self.db.execute("update profiles set name = ? where name = ?",
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name, oldName)
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# rename folder
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try:
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os.rename(oldFolder, newFolder)
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except WindowsError as e:
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self.db.rollback()
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if "Access is denied" in e:
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showWarning(_("""\
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Anki could not rename your profile because it could not rename the profile \
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folder on disk. Please ensure you have permission to write to Documents/Anki \
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and no other programs are accessing your profile folders, then try again."""))
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else:
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raise
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except:
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self.db.rollback()
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raise
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else:
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self.db.commit()
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# Folder handling
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######################################################################
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def profileFolder(self, create=True):
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path = os.path.join(self.base, self.name)
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if create:
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self._ensureExists(path)
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return path
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def addonFolder(self):
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return self._ensureExists(os.path.join(self.base, "addons"))
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def backupFolder(self):
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return self._ensureExists(
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os.path.join(self.profileFolder(), "backups"))
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def collectionPath(self):
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return os.path.join(self.profileFolder(), "collection.anki2")
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# Helpers
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######################################################################
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def _ensureExists(self, path):
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if not os.path.exists(path):
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os.makedirs(path)
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return path
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def _defaultBase(self):
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if isWin:
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if False: #qtmajor >= 5:
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loc = QStandardPaths.writeableLocation(QStandardPaths.DocumentsLocation)
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else:
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loc = QDesktopServices.storageLocation(QDesktopServices.DocumentsLocation)
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return os.path.join(loc, "Anki")
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elif isMac:
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return os.path.expanduser("~/Documents/Anki")
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else:
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# use Documents/Anki on new installs, ~/Anki on existing ones
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p = os.path.expanduser("~/Anki")
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if os.path.exists(p):
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return p
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else:
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loc = QDesktopServices.storageLocation(QDesktopServices.DocumentsLocation)
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if loc[:-1] == QDesktopServices.storageLocation(
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QDesktopServices.HomeLocation):
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# occasionally "documentsLocation" will return the home
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# folder because the Documents folder isn't configured
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# properly; fall back to an English path
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return os.path.expanduser("~/Documents/Anki")
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else:
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return os.path.join(loc, "Anki")
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def _loadMeta(self):
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path = os.path.join(self.base, "prefs.db")
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new = not os.path.exists(path)
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def recover():
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# if we can't load profile, start with a new one
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if self.db:
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try:
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self.db.close()
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except:
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pass
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broken = path+".broken"
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if os.path.exists(broken):
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os.unlink(broken)
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os.rename(path, broken)
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QMessageBox.warning(
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None, "Preferences Corrupt", """\
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Anki's prefs.db file was corrupt and has been recreated. If you were using multiple \
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profiles, please add them back using the same names to recover your cards.""")
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try:
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self.db = DB(path)
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self.db.execute("""
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create table if not exists profiles
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(name text primary key, data text not null);""")
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except:
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recover()
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return self._loadMeta()
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if not new:
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# load previously created
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try:
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self.meta = pickle.loads(
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self.db.scalar(
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"select cast(data as blob) from profiles where name = '_global'"))
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return
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except:
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recover()
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return self._loadMeta()
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# create a default global profile
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self.meta = metaConf.copy()
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self.db.execute("insert or replace into profiles values ('_global', ?)",
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pickle.dumps(metaConf))
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self._setDefaultLang()
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return True
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def ensureProfile(self):
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"Create a new profile if none exists."
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if self.firstRun:
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self.create(_("User 1"))
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p = os.path.join(self.base, "README.txt")
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open(p, "w").write(_("""\
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This folder stores all of your Anki data in a single location,
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to make backups easy. To tell Anki to use a different location,
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please see:
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%s
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""") % (appHelpSite + "#startupopts"))
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def _pwhash(self, passwd):
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return checksum(str(self.meta['id'])+str(passwd))
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# Default language
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######################################################################
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# On first run, allow the user to choose the default language
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def _setDefaultLang(self):
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# the dialog expects _ to be defined, but we're running before
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# setupLang() has been called. so we create a dummy op for now
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import builtins
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builtins.__dict__['_'] = lambda x: x
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# create dialog
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class NoCloseDiag(QDialog):
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def reject(self):
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pass
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d = self.langDiag = NoCloseDiag()
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f = self.langForm = aqt.forms.setlang.Ui_Dialog()
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f.setupUi(d)
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d.connect(d, SIGNAL("accepted()"), self._onLangSelected)
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d.connect(d, SIGNAL("rejected()"), lambda: True)
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# default to the system language
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try:
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(lang, enc) = locale.getdefaultlocale()
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except:
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# fails on osx
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lang = "en"
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if lang and lang not in ("pt_BR", "zh_CN", "zh_TW"):
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lang = re.sub("(.*)_.*", "\\1", lang)
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# find index
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idx = None
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en = None
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for c, (name, code) in enumerate(anki.lang.langs):
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if code == "en":
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en = c
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if code == lang:
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idx = c
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# if the system language isn't available, revert to english
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if idx is None:
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idx = en
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# update list
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f.lang.addItems([x[0] for x in anki.lang.langs])
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f.lang.setCurrentRow(idx)
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d.exec_()
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def _onLangSelected(self):
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f = self.langForm
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obj = anki.lang.langs[f.lang.currentRow()]
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code = obj[1]
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name = obj[0]
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en = "Are you sure you wish to display Anki's interface in %s?"
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r = QMessageBox.question(
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None, "Anki", en%name, QMessageBox.Yes | QMessageBox.No,
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QMessageBox.No)
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if r != QMessageBox.Yes:
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return self._setDefaultLang()
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self.setLang(code)
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def setLang(self, code):
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self.meta['defaultLang'] = code
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sql = "update profiles set data = ? where name = ?"
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self.db.execute(sql, pickle.dumps(self.meta), "_global")
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self.db.commit()
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anki.lang.setLang(code, local=False)
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