anki/aqt/profiles.py
2013-05-23 14:03:21 +09:00

276 lines
8.7 KiB
Python

# Copyright: Damien Elmes <anki@ichi2.net>
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
# 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
from aqt.qt import *
import os, random, cPickle, shutil, locale, re
from anki.db import DB
from anki.utils import isMac, isWin, intTime, checksum
from anki.lang import langs
from aqt.utils import showWarning
from aqt import appHelpSite
import aqt.forms
from send2trash import send2trash
metaConf = dict(
ver=0,
updates=True,
created=intTime(),
id=random.randrange(0, 2**63),
lastMsg=-1,
suppressUpdate=False,
firstRun=True,
defaultLang=None,
disabledAddons=[],
)
profileConf = dict(
# profile
key=None,
mainWindowGeom=None,
mainWindowState=None,
numBackups=30,
lastOptimize=intTime(),
# editing
fullSearch=False,
searchHistory=[],
lastColour="#00f",
stripHTML=True,
pastePNG=False,
# not exposed in gui
deleteMedia=False,
preserveKeyboard=True,
# syncing
syncKey=None,
syncMedia=True,
autoSync=True,
# importing
allowHTML=False,
importMode=0,
)
class ProfileManager(object):
def __init__(self, base=None, profile=None):
self.name = None
# instantiate base folder
if base:
self.base = os.path.abspath(base)
else:
self.base = self._defaultBase()
self.ensureBaseExists()
# load metadata
self.firstRun = self._loadMeta()
# did the user request a profile to start up with?
if profile:
try:
self.load(profile)
except TypeError:
raise Exception("Provided profile does not exist.")
# Base creation
######################################################################
def ensureBaseExists(self):
try:
self._ensureExists(self.base)
except:
# can't translate, as lang not initialized
QMessageBox.critical(
None, "Error", """\
Anki can't write to the harddisk. Please see the \
documentation for information on using a flash drive.""")
raise
# Profile load/save
######################################################################
def profiles(self):
return sorted(
unicode(x, "utf8") for x in
self.db.list("select name from profiles")
if x != "_global")
def load(self, name, passwd=None):
prof = cPickle.loads(
self.db.scalar("select data from profiles where name = ?",
name.encode("utf8")))
if prof['key'] and prof['key'] != self._pwhash(passwd):
self.name = None
return False
if name != "_global":
self.name = name
self.profile = prof
return True
def save(self):
sql = "update profiles set data = ? where name = ?"
self.db.execute(sql, cPickle.dumps(self.profile),
self.name.encode("utf8"))
self.db.execute(sql, cPickle.dumps(self.meta), "_global")
self.db.commit()
def create(self, name):
prof = profileConf.copy()
self.db.execute("insert into profiles values (?, ?)",
name.encode("utf8"), cPickle.dumps(prof))
self.db.commit()
def remove(self, name):
p = self.profileFolder()
if os.path.exists(p):
send2trash(p)
self.db.execute("delete from profiles where name = ?",
name.encode("utf8"))
self.db.commit()
def rename(self, name):
oldName = self.name
oldFolder = self.profileFolder()
self.name = name
newFolder = self.profileFolder(create=False)
if os.path.exists(newFolder):
showWarning(_("Folder already exists."))
self.name = oldName
return
# update name
self.db.execute("update profiles set name = ? where name = ?",
name.encode("utf8"), oldName.encode("utf-8"))
# rename folder
os.rename(oldFolder, newFolder)
self.db.commit()
# Folder handling
######################################################################
def profileFolder(self, create=True):
path = os.path.join(self.base, self.name)
if create:
self._ensureExists(path)
return path
def addonFolder(self):
return self._ensureExists(os.path.join(self.base, "addons"))
def backupFolder(self):
return self._ensureExists(
os.path.join(self.profileFolder(), "backups"))
def collectionPath(self):
return os.path.join(self.profileFolder(), "collection.anki2")
# Helpers
######################################################################
def _ensureExists(self, path):
if not os.path.exists(path):
os.makedirs(path)
return path
def _defaultBase(self):
if isWin:
if qtmajor >= 5:
loc = QStandardPaths.writeableLocation(QStandardPaths.DocumentsLocation)
else:
loc = QDesktopServices.storageLocation(QDesktopServices.DocumentsLocation)
return os.path.join(loc, "Anki")
elif isMac:
return os.path.expanduser("~/Documents/Anki")
else:
return os.path.expanduser("~/Anki")
def _loadMeta(self):
path = os.path.join(self.base, "prefs.db")
new = not os.path.exists(path)
self.db = DB(path, text=str)
self.db.execute("""
create table if not exists profiles
(name text primary key, data text not null);""")
if not new:
# load previously created
try:
self.meta = cPickle.loads(
self.db.scalar(
"select data from profiles where name = '_global'"))
return
except:
# if we can't load profile, start with a new one
os.rename(path, path+".broken")
return self._loadMeta()
# create a default global profile
self.meta = metaConf.copy()
self.db.execute("insert or replace into profiles values ('_global', ?)",
cPickle.dumps(metaConf))
self._setDefaultLang()
return True
def ensureProfile(self):
"Create a new profile if none exists."
if self.firstRun:
self.create(_("User 1"))
p = os.path.join(self.base, "README.txt")
open(p, "w").write((_("""\
This folder stores all of your Anki data in a single location,
to make backups easy. To tell Anki to use a different location,
please see:
%s
""") % (appHelpSite + "#startupopts")).encode("utf8"))
def _pwhash(self, passwd):
return checksum(unicode(self.meta['id'])+unicode(passwd))
# Default language
######################################################################
# On first run, allow the user to choose the default language
def _setDefaultLang(self):
# the dialog expects _ to be defined, but we're running before
# setupLang() has been called. so we create a dummy op for now
import __builtin__
__builtin__.__dict__['_'] = lambda x: x
# create dialog
class NoCloseDiag(QDialog):
def reject(self):
pass
d = self.langDiag = NoCloseDiag()
f = self.langForm = aqt.forms.setlang.Ui_Dialog()
f.setupUi(d)
d.connect(d, SIGNAL("accepted()"), self._onLangSelected)
d.connect(d, SIGNAL("rejected()"), lambda: True)
# default to the system language
try:
(lang, enc) = locale.getdefaultlocale()
except:
# fails on osx
lang = "en"
if lang and lang not in ("pt_BR", "zh_CN", "zh_TW"):
lang = re.sub("(.*)_.*", "\\1", lang)
# find index
idx = None
en = None
for c, (name, code) in enumerate(langs):
if code == "en":
en = c
if code == lang:
idx = c
# if the system language isn't available, revert to english
if idx is None:
idx = en
# update list
f.lang.addItems([x[0] for x in langs])
f.lang.setCurrentRow(idx)
d.exec_()
def _onLangSelected(self):
f = self.langForm
code = langs[f.lang.currentRow()][1]
self.meta['defaultLang'] = code
sql = "update profiles set data = ? where name = ?"
self.db.execute(sql, cPickle.dumps(self.meta), "_global")
self.db.commit()