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Disable multiple libraries while env var CALIBRE_OVERRIDE_DATABASE_PATH is set

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This commit is contained in:
Charles Haley 2010-12-15 10:00:10 +00:00
parent 639d6c9c06
commit 6c2ea46ce3
3 changed files with 26 additions and 8 deletions
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23
src/calibre/gui2/actions/choose_library.py
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@ -160,15 +160,17 @@ class ChooseLibraryAction(InterfaceAction):
self.action_choose.triggered.connect(self.choose_library, self.action_choose.triggered.connect(self.choose_library,
type=Qt.QueuedConnection) type=Qt.QueuedConnection)
self.choose_menu = QMenu(self.gui) self.choose_menu = QMenu(self.gui)
self.choose_menu.addAction(self.action_choose)
self.qaction.setMenu(self.choose_menu) self.qaction.setMenu(self.choose_menu)
self.quick_menu = QMenu(_('Quick switch')) if not os.environ.get('CALIBRE_OVERRIDE_DATABASE_PATH', None):
self.quick_menu_action = self.choose_menu.addMenu(self.quick_menu) self.choose_menu.addAction(self.action_choose)
self.rename_menu = QMenu(_('Rename library'))
self.rename_menu_action = self.choose_menu.addMenu(self.rename_menu) self.quick_menu = QMenu(_('Quick switch'))
self.delete_menu = QMenu(_('Delete library')) self.quick_menu_action = self.choose_menu.addMenu(self.quick_menu)
self.delete_menu_action = self.choose_menu.addMenu(self.delete_menu) self.rename_menu = QMenu(_('Rename library'))
self.rename_menu_action = self.choose_menu.addMenu(self.rename_menu)
self.delete_menu = QMenu(_('Delete library'))
self.delete_menu_action = self.choose_menu.addMenu(self.delete_menu)
self.rename_separator = self.choose_menu.addSeparator() self.rename_separator = self.choose_menu.addSeparator()
@ -223,6 +225,8 @@ class ChooseLibraryAction(InterfaceAction):
self.library_changed(self.gui.library_view.model().db) self.library_changed(self.gui.library_view.model().db)
def build_menus(self): def build_menus(self):
if os.environ.get('CALIBRE_OVERRIDE_DATABASE_PATH', None):
return
db = self.gui.library_view.model().db db = self.gui.library_view.model().db
locations = list(self.stats.locations(db)) locations = list(self.stats.locations(db))
for ac in self.switch_actions: for ac in self.switch_actions:
@ -387,6 +391,11 @@ class ChooseLibraryAction(InterfaceAction):
c.exec_() c.exec_()
def change_library_allowed(self): def change_library_allowed(self):
if os.environ.get('CALIBRE_OVERRIDE_DATABASE_PATH', None):
warning_dialog(self.gui, _('Not allowed'),
_('You cannot change libraries while using the environment'
' variable CALIBRE_OVERRIDE_DATABASE_PATH.'), show=True)
return False
if self.gui.job_manager.has_jobs(): if self.gui.job_manager.has_jobs():
warning_dialog(self.gui, _('Not allowed'), warning_dialog(self.gui, _('Not allowed'),
_('You cannot change libraries while jobs' _('You cannot change libraries while jobs'

9
src/calibre/gui2/actions/copy_to_library.py
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@ -12,7 +12,7 @@ from threading import Thread
from PyQt4.Qt import QMenu, QToolButton from PyQt4.Qt import QMenu, QToolButton
from calibre.gui2.actions import InterfaceAction from calibre.gui2.actions import InterfaceAction
from calibre.gui2 import error_dialog, Dispatcher from calibre.gui2 import error_dialog, Dispatcher, warning_dialog
from calibre.gui2.dialogs.progress import ProgressDialog from calibre.gui2.dialogs.progress import ProgressDialog
from calibre.utils.config import prefs, tweaks from calibre.utils.config import prefs, tweaks
@ -106,6 +106,9 @@ class CopyToLibraryAction(InterfaceAction):
def build_menus(self): def build_menus(self):
self.menu.clear() self.menu.clear()
if os.environ.get('CALIBRE_OVERRIDE_DATABASE_PATH', None):
self.menu.addAction('disabled', self.cannot_do_dialog)
return
db = self.gui.library_view.model().db db = self.gui.library_view.model().db
locations = list(self.stats.locations(db)) locations = list(self.stats.locations(db))
for name, loc in locations: for name, loc in locations:
@ -160,5 +163,9 @@ class CopyToLibraryAction(InterfaceAction):
self.gui.iactions['Remove Books'].library_ids_deleted( self.gui.iactions['Remove Books'].library_ids_deleted(
self.worker.processed, row) self.worker.processed, row)
def cannot_do_dialog(self):
warning_dialog(self.gui, _('Not allowed'),
_('You cannot use other libraries while using the environment'
' variable CALIBRE_OVERRIDE_DATABASE_PATH.'), show=True)

2
src/calibre/manual/portable.rst
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@ -72,3 +72,5 @@ Precautions
-------------- --------------
Portable media can occasionally fail so you should make periodic backups of you Calibre library. This can be done by making a copy of the CalibreLibrary folder and all its contents. There are many freely available tools around that can optimise such back processes, well known ones being RoboCopy and RichCopy. However you can simply use a Windows copy facility if you cannot be bothered to use a specialised tools. Portable media can occasionally fail so you should make periodic backups of you Calibre library. This can be done by making a copy of the CalibreLibrary folder and all its contents. There are many freely available tools around that can optimise such back processes, well known ones being RoboCopy and RichCopy. However you can simply use a Windows copy facility if you cannot be bothered to use a specialised tools.
Using the environment variable CALIBRE_OVERRIDE_DATABASE_PATH disables multiple-library support in |app|. Avoid setting this variable in calibre-portable.bat unless you really need it.