def _upgrade_respawn(self, entropy_client, inst_repo):
"""
Respawn the upgrade activity if required.
"""
# It might be an Entropy bug and Entropy was proritized in the
# install queue, ignoring the rest of available packages.
# So, respawning myself again using execvp() should be a much
# better idea.
with inst_repo.shared():
outcome = entropy_client.calculate_updates()
if outcome['update']:
entropy_client.output("%s." % (purple(
_("There are more updates to install, "
"reloading Entropy")), ),
header=teal(" @@ "))
# then spawn a new process
entropy_client.shutdown()
# hack to tell the resurrected equo to block on
# locking acquisition
os.environ['__EQUO_LOCKS_BLOCKING__'] = "1"
# we will acquire them again in blocking mode, cross
# fingers
lock = EntropyResourcesLock(output=entropy_client)
lock.release()
os.execvp("equo", sys.argv)
def _upgrade_respawn(self, entropy_client, inst_repo):
"""
Respawn the upgrade activity if required.
"""
# It might be an Entropy bug and Entropy was proritized in the
# install queue, ignoring the rest of available packages.
# So, respawning myself again using execvp() should be a much
# better idea.
with inst_repo.shared():
outcome = entropy_client.calculate_updates()
if outcome['update']:
entropy_client.output(
"%s." % (
purple(_("There are more updates to install, "
"reloading Entropy")),),
header=teal(" @@ "))
# then spawn a new process
entropy_client.shutdown()
# hack to tell the resurrected equo to block on
# locking acquisition
os.environ['__EQUO_LOCKS_BLOCKING__'] = "1"
# we will acquire them again in blocking mode, cross
# fingers
lock = EntropyResourcesLock(output=entropy_client)
lock.release()
os.execvp("equo", sys.argv)
def _call_shared(self, func):
"""
Execute the given function at func after acquiring Entropy
Resources Lock in shared mode, for given repository at repo.
The signature of func is: int func(entropy_client).
"""
client_class = None
client = None
acquired = False
lock = None
try:
try:
client_class = self._entropy_class()
except PermissionDenied as err:
print_error(err.value)
return 1
lock = EntropyResourcesLock(output=client_class)
lock.acquire_shared()
acquired = True
client = client_class()
return func(client)
finally:
if client is not None:
client.shutdown()
if acquired:
lock.release()
def acquire(self):
"""
Overridden from BaseBinaryResourceLock.
"""
lock = EntropyResourcesLock(output=Server)
if self._blocking:
lock.acquire_exclusive()
acquired = True
else:
acquired = lock.wait_exclusive()
if not acquired:
raise EntropyResourceLock.NotAcquired("unable to acquire lock")
def acquire(self):
"""
Overridden from BaseBinaryResourceLock.
"""
lock = EntropyResourcesLock(output=Server)
if self._blocking:
lock.acquire_exclusive()
acquired = True
else:
acquired = lock.wait_exclusive()
if not acquired:
raise EntropyResourceLock.NotAcquired(
"unable to acquire lock")
def _call_exclusive(self, func, repo):
"""
Execute the given function at func after acquiring Entropy
Resources Lock, for given repository at repo.
The signature of func is: int func(entropy_server).
"""
server = None
server_class = None
acquired = False
lock = None
# make possible to avoid dealing with the resources lock.
# This is useful if the lock is already acquired by some
# parent or controller process.
skip_lock = os.getenv("EIT_NO_RESOURCES_LOCK") is not None
try:
try:
server_class = self._entropy_class()
except PermissionDenied as err:
print_error(err.value)
return 1
if not skip_lock:
lock = EntropyResourcesLock(output=server_class)
acquired = lock.wait_exclusive()
if not acquired:
server_class.output(darkgreen(
_("Another Entropy is currently running.")),
level="error",
importance=1)
return 1
server = server_class(default_repository=repo)
# make sure that repositories are closed now
# to reset their internal states, which could have
# become stale.
# We cannot do this inside the API because we don't
# know the lifecycle of EntropyRepository objects there.
server.close_repositories()
ServerRepositoryStatus().reset()
return func(server)
finally:
if server is not None:
server.shutdown()
if acquired:
lock.release()
def _call_shared(self, func, repo):
"""
Execute the given function at func after acquiring Entropy
Resources Lock in shared mode, for given repository at repo.
The signature of func is: int func(entropy_server).
"""
server = None
server_class = None
acquired = False
lock = None
# make possible to avoid dealing with the resources lock.
# This is useful if the lock is already acquired by some
# parent or controller process.
skip_lock = os.getenv("EIT_NO_RESOURCES_LOCK") is not None
try:
try:
server_class = self._entropy_class()
except PermissionDenied as err:
print_error(err.value)
return 1
if not skip_lock:
lock = EntropyResourcesLock(output=server_class)
lock.acquire_shared()
acquired = True
if not acquired:
server_class.output(darkgreen(_("Another Entropy is currently running.")), level="error", importance=1)
return 1
server = server_class(default_repository=repo)
# make sure that repositories are closed now
# to reset their internal states, which could have
# become stale.
# We cannot do this inside the API because we don't
# know the lifecycle of EntropyRepository objects there.
server.close_repositories()
ServerRepositoryStatus().reset()
return func(server)
finally:
if server is not None:
server.shutdown()
if acquired:
lock.release()
def _call_shared(self, func):
"""
Execute the given function at func after acquiring Entropy
Resources Lock in shared mode, for given repository at repo.
The signature of func is: int func(entropy_client).
"""
client_class = None
client = None
acquired = False
lock = None
try:
try:
client_class = self._entropy_class()
except PermissionDenied as err:
print_error(err.value)
return 1
lock = EntropyResourcesLock(output=client_class)
lock.acquire_shared()
acquired = True
client = client_class()
return func(client)
finally:
if client is not None:
client.shutdown()
if acquired:
lock.release()
def _call_exclusive(self, func, repo):
"""
Execute the given function at func after acquiring Entropy
Resources Lock, for given repository at repo.
The signature of func is: int func(entropy_server).
"""
server = None
server_class = None
acquired = False
lock = None
try:
try:
server_class = self._entropy_class()
except PermissionDenied as err:
print_error(err.value)
return 1
lock = EntropyResourcesLock(output=server_class)
acquired = lock.wait_exclusive()
if not acquired:
server_class.output(darkgreen(_("Another Entropy is currently running.")), level="error", importance=1)
return 1
server = server_class(default_repository=repo)
# make sure that repositories are closed now
# to reset their internal states, which could have
# become stale.
# We cannot do this inside the API because we don't
# know the lifecycle of EntropyRepository objects there.
server.close_repositories()
ServerRepositoryStatus().reset()
return func(server)
finally:
if server is not None:
server.shutdown()
if acquired:
lock.release()
def destroy(self, _from_shutdown = False):
"""
Destroy this Singleton instance, closing repositories, removing
SystemSettings plugins added during instance initialization.
This method should be always called when instance is not used anymore.
"""
self.__instance_destroyed = True
if self.__post_acquire_hook_idx is not None:
EntropyResourcesLock.remove_post_acquire_hook(
self.__post_acquire_hook_idx)
self.__post_acquire_hook_idx = None
if hasattr(self, '_installed_repository'):
inst_repo = self.installed_repository()
if inst_repo is not None:
inst_repo.close(_token = InstalledPackagesRepository.NAME)
if hasattr(self, '_real_logger_lock'):
with self._real_logger_lock:
if self._real_logger is not None:
self._real_logger.close()
if not _from_shutdown:
if hasattr(self, '_real_settings') and \
hasattr(self._real_settings, 'remove_plugin'):
# shutdown() will terminate the whole process
# so there is no need to remove plugins from
# SystemSettings, it wouldn't make any diff.
if self._real_settings is not None:
try:
self._real_settings.remove_plugin(
ClientSystemSettingsPlugin.ID)
except KeyError:
pass
self.close_repositories(mask_clear = False)
def destroy(self, _from_shutdown=False):
"""
Destroy this Singleton instance, closing repositories, removing
SystemSettings plugins added during instance initialization.
This method should be always called when instance is not used anymore.
"""
self.__instance_destroyed = True
if self.__post_acquire_hook_idx is not None:
EntropyResourcesLock.remove_post_acquire_hook(
self.__post_acquire_hook_idx)
self.__post_acquire_hook_idx = None
if hasattr(self, '_installed_repository'):
inst_repo = self.installed_repository()
if inst_repo is not None:
inst_repo.close(_token=InstalledPackagesRepository.NAME)
if hasattr(self, '_real_logger_lock'):
with self._real_logger_lock:
if self._real_logger is not None:
self._real_logger.close()
if not _from_shutdown:
if hasattr(self, '_real_settings') and \
hasattr(self._real_settings, 'remove_plugin'):
# shutdown() will terminate the whole process
# so there is no need to remove plugins from
# SystemSettings, it wouldn't make any diff.
if self._real_settings is not None:
try:
self._real_settings.remove_plugin(
ClientSystemSettingsPlugin.ID)
except KeyError:
pass
self.close_repositories(mask_clear=False)
def _call_exclusive(self, func):
"""
Execute the given function at func after acquiring Entropy
Resources Lock, for given repository at repo.
The signature of func is: int func(entropy_client).
"""
client_class = None
client = None
acquired = False
lock = None
try:
try:
client_class = self._entropy_class()
except PermissionDenied as err:
print_error(err.value)
return 1
blocking = os.getenv("__EQUO_LOCKS_BLOCKING__")
if blocking:
client_class.output(darkgreen(
_("Acquiring Entropy Resources "
"Lock, please wait...")),
back=True)
lock = EntropyResourcesLock(output=client_class)
if blocking:
lock.acquire_exclusive()
acquired = True
else:
acquired = lock.wait_exclusive()
if not acquired:
client_class.output(darkgreen(
_("Another Entropy is currently running.")),
level="error",
importance=1)
return 1
client = client_class()
return func(client)
finally:
if client is not None:
client.shutdown()
if acquired:
lock.release()
def _call_exclusive(self, func):
"""
Execute the given function at func after acquiring Entropy
Resources Lock, for given repository at repo.
The signature of func is: int func(entropy_client).
"""
client_class = None
client = None
acquired = False
lock = None
try:
try:
client_class = self._entropy_class()
except PermissionDenied as err:
print_error(err.value)
return 1
blocking = os.getenv("__EQUO_LOCKS_BLOCKING__")
if blocking:
client_class.output(darkgreen(
_("Acquiring Entropy Resources "
"Lock, please wait...")),
back=True)
lock = EntropyResourcesLock(output=client_class)
if blocking:
lock.acquire_exclusive()
acquired = True
else:
acquired = lock.wait_exclusive()
if not acquired:
client_class.output(
darkgreen(_("Another Entropy is currently running.")),
level="error", importance=1
)
return 1
client = client_class()
return func(client)
finally:
if client is not None:
client.shutdown()
if acquired:
lock.release()
def init_singleton(self, indexing = True, installed_repo = None,
xcache = True, user_xcache = False, repo_validation = True,
url_fetcher = None, multiple_url_fetcher = None, **kwargs):
"""
Entropy Client Singleton interface. Your hitchhikers' guide to the
Galaxy.
@keyword indexing: enable metadata indexing (default is True)
@type indexing: bool
@keyword installed_repo: open installed packages repository? (default
is True). Accepted values: True = open, False = open but consider
it not available, -1 = do not even try to open
@type installed_repo: bool or int
@keyword xcache: enable on-disk cache (default is True)
@type xcache: bool
@keyword user_xcache: enable on-disk cache even for users not in the
entropy group (default is False). Dangerous, could lead to cache
inconsistencies.
@type user_xcache: bool
@keyword repo_validation: validate all the available repositories
and automatically exclude the faulty ones
@type repo_validation: bool
@keyword url_fetcher: override default entropy.fetchers.UrlFetcher
class usage. Provide your own implementation of UrlFetcher using
this argument.
@type url_fetcher: class or None
@keyword multiple_url_fetcher: override default
entropy.fetchers.MultipleUrlFetcher class usage. Provide your own
implementation of MultipleUrlFetcher using this argument.
"""
self.__post_acquire_hook_idx = None
self.__instance_destroyed = False
self._repo_error_messages_cache = set()
self._repodb_cache = {}
self._repodb_cache_mutex = threading.RLock()
self._memory_db_instances = {}
self._real_installed_repository = None
self._real_installed_repository_lock = threading.RLock()
self._treeupdates_repos = set()
self._can_run_sys_set_hooks = False
const_debug_write(__name__, "debug enabled")
self.safe_mode = 0
self._indexing = indexing
self._repo_validation = repo_validation
self._real_cacher = None
self._real_cacher_lock = threading.Lock()
# setup package settings (masking and other stuff)
self._real_settings = None
self._real_settings_lock = threading.Lock()
self._real_settings_client_plg = None
self._real_settings_client_plg_lock = threading.Lock()
self._real_logger = None
self._real_logger_lock = threading.Lock()
self._real_enabled_repos = None
self._real_enabled_repos_lock = threading.RLock()
# class init
LoadersMixin.__init__(self)
self._multiple_url_fetcher = multiple_url_fetcher
self._url_fetcher = url_fetcher
if url_fetcher is None:
self._url_fetcher = UrlFetcher
if multiple_url_fetcher is None:
self._multiple_url_fetcher = MultipleUrlFetcher
self._do_open_installed_repo = True
self._installed_repo_enable = True
if installed_repo in (True, None, 1):
self._installed_repo_enable = True
elif installed_repo in (False, 0):
self._installed_repo_enable = False
elif installed_repo == -1:
self._installed_repo_enable = False
self._do_open_installed_repo = False
self.xcache = xcache
shell_xcache = os.getenv("ETP_NOCACHE")
if shell_xcache:
self.xcache = False
# now if we are on live, we should disable it
# are we running on a livecd? (/proc/cmdline has "cdroot")
if entropy.tools.islive():
self.xcache = False
elif (not entropy.tools.is_user_in_entropy_group()) and not user_xcache:
self.xcache = False
# Add Entropy Resources Lock post-acquire hook that cleans
# repository caches.
hook_ref = EntropyResourcesLock.add_post_acquire_hook(
self._resources_post_hook)
self.__post_acquire_hook_idx = hook_ref
# enable System Settings hooks
self._can_run_sys_set_hooks = True
const_debug_write(__name__, "singleton loaded")
def _permissions_setup(self):
"""
Check execution privileges and spawn the Rigo UI.
"""
if not entropy.tools.is_user_in_entropy_group():
# otherwise the lock handling would potentially
# fail.
self._show_ok_dialog(
None,
escape_markup(_("Not authorized")),
escape_markup(_("You are not authorized to run Rigo")))
entropy.tools.kill_threads()
Gtk.main_quit()
return
if not self._service.service_available():
self._show_ok_dialog(
None,
escape_markup(_("Rigo")),
escape_markup(_("RigoDaemon service is not available")))
entropy.tools.kill_threads()
Gtk.main_quit()
return
supported_apis = self._service.supported_apis()
daemon_api = self._service.api()
if daemon_api not in supported_apis:
self._show_ok_dialog(
None,
escape_markup(_("Rigo")),
escape_markup(
_("API mismatch, please update Rigo and RigoDaemon")))
entropy.tools.kill_threads()
Gtk.main_quit()
return
lock = EntropyResourcesLock(output=self._entropy)
# always execute this from the MainThread, since the lock uses TLS
acquired = lock.try_acquire_shared()
is_exclusive = False
if not acquired:
# check whether RigoDaemon is running in excluive mode
# and ignore non-atomicity here (failing with error
# is acceptable)
if not self._service.exclusive():
self._show_ok_dialog(
None,
escape_markup(_("Rigo")),
escape_markup(_("Another Application Manager is active")))
entropy.tools.kill_threads()
Gtk.main_quit()
return
is_exclusive = True
# otherwise we can go ahead and handle our state later
# check RigoDaemon, don't worry about races between Rigo Clients
# it is fine to have multiple Rigo Clients connected. Mutual
# exclusion is handled via Entropy Resources Lock (which is a file
# based rwsem).
activity = self._service.activity()
if activity != DaemonActivityStates.AVAILABLE:
msg = ""
show_dialog = True
if activity == DaemonActivityStates.NOT_AVAILABLE:
msg = _("Background Service is currently not available")
elif activity == DaemonActivityStates.UPDATING_REPOSITORIES:
show_dialog = False
task = ParallelTask(
self._service._update_repositories,
[], False, master=False)
task.daemon = True
task.name = "UpdateRepositoriesUnlocked"
task.start()
elif activity == DaemonActivityStates.MANAGING_APPLICATIONS:
show_dialog = False
task = ParallelTask(
self._service._application_request,
None, None, master=False)
task.daemon = True
task.name = "ApplicationRequestUnlocked"
task.start()
elif activity == DaemonActivityStates.UPGRADING_SYSTEM:
show_dialog = False
task = ParallelTask(
self._service._upgrade_system,
False, master=False)
task.daemon = True
task.name = "UpgradeSystemUnlocked"
task.start()
elif activity == DaemonActivityStates.INTERNAL_ROUTINES:
msg = _("Background Service is currently busy")
else:
msg = _("Background Service is incompatible with Rigo")
if show_dialog:
self._show_ok_dialog(
None,
escape_markup(_("Rigo")),
escape_markup(msg))
entropy.tools.kill_threads()
Gtk.main_quit()
return
elif is_exclusive:
msg = _("Background Service is currently unavailable")
# no lock acquired, cannot continue the initialization
self._show_ok_dialog(
None,
escape_markup(_("Rigo")),
escape_markup(msg))
entropy.tools.kill_threads()
Gtk.main_quit()
return
parser = argparse.ArgumentParser(
description=_("Rigo Application Browser"))
parser.add_argument(
"package", nargs='?', type=file,
metavar="<path>", help="package path")
parser.add_argument(
"--install",
metavar="<dep string>", help="install given dependency")
parser.add_argument(
"--remove",
metavar="<dep string>", help="remove given dependency")
parser.add_argument(
"--upgrade", help="upgrade the system",
action="store_true", default=False)
parser.add_argument(
"--dumper", help="enable the main thread dumper (debug)",
action="store_true", default=False)
parser.add_argument(
"--debug", help="enable Entropy Library debug mode",
action="store_true", default=False)
try:
self._nsargs = parser.parse_args(sys.argv[1:])
except IOError as err:
self._show_ok_dialog(
None,
escape_markup(_("Rigo")),
escape_markup("%s" % (err,)))
entropy.tools.kill_threads()
Gtk.main_quit()
return
self._thread_dumper()
self._pref_view_c.setup()
self._group_view_c.setup()
self._config_view_c.setup()
self._repo_view_c.setup()
self._notice_view_c.setup()
self._app_view_c.setup()
self._avc.setup()
self._nc.setup()
self._work_view_c.setup()
self._service.setup(acquired)
self._easter_eggs()
self._window.show()
managing = self._start_managing()
if not managing:
self._change_view_state(RigoViewStates.GROUPS_VIEW_STATE)
self._service.hello()
def _permissions_setup(self):
"""
Check execution privileges and spawn the Rigo UI.
"""
if not entropy.tools.is_user_in_entropy_group():
# otherwise the lock handling would potentially
# fail.
self._show_ok_dialog(
None, escape_markup(_("Not authorized")),
escape_markup(_("You are not authorized to run Rigo")))
entropy.tools.kill_threads()
Gtk.main_quit()
return
if not self._service.service_available():
self._show_ok_dialog(
None, escape_markup(_("Rigo")),
escape_markup(_("RigoDaemon service is not available")))
entropy.tools.kill_threads()
Gtk.main_quit()
return
supported_apis = self._service.supported_apis()
daemon_api = self._service.api()
if daemon_api not in supported_apis:
self._show_ok_dialog(
None, escape_markup(_("Rigo")),
escape_markup(
_("API mismatch, please update Rigo and RigoDaemon")))
entropy.tools.kill_threads()
Gtk.main_quit()
return
lock = EntropyResourcesLock(output=self._entropy)
# always execute this from the MainThread, since the lock uses TLS
acquired = lock.try_acquire_shared()
is_exclusive = False
if not acquired:
# check whether RigoDaemon is running in excluive mode
# and ignore non-atomicity here (failing with error
# is acceptable)
if not self._service.exclusive():
self._show_ok_dialog(
None, escape_markup(_("Rigo")),
escape_markup(_("Another Application Manager is active")))
entropy.tools.kill_threads()
Gtk.main_quit()
return
is_exclusive = True
# otherwise we can go ahead and handle our state later
# check RigoDaemon, don't worry about races between Rigo Clients
# it is fine to have multiple Rigo Clients connected. Mutual
# exclusion is handled via Entropy Resources Lock (which is a file
# based rwsem).
activity = self._service.activity()
if activity != DaemonActivityStates.AVAILABLE:
msg = ""
show_dialog = True
if activity == DaemonActivityStates.NOT_AVAILABLE:
msg = _("Background Service is currently not available")
elif activity == DaemonActivityStates.UPDATING_REPOSITORIES:
show_dialog = False
task = ParallelTask(self._service._update_repositories, [],
False,
master=False)
task.daemon = True
task.name = "UpdateRepositoriesUnlocked"
task.start()
elif activity == DaemonActivityStates.MANAGING_APPLICATIONS:
show_dialog = False
task = ParallelTask(self._service._application_request,
None,
None,
master=False)
task.daemon = True
task.name = "ApplicationRequestUnlocked"
task.start()
elif activity == DaemonActivityStates.UPGRADING_SYSTEM:
show_dialog = False
task = ParallelTask(self._service._upgrade_system,
False,
master=False)
task.daemon = True
task.name = "UpgradeSystemUnlocked"
task.start()
elif activity == DaemonActivityStates.INTERNAL_ROUTINES:
msg = _("Background Service is currently busy")
else:
msg = _("Background Service is incompatible with Rigo")
if show_dialog:
self._show_ok_dialog(None, escape_markup(_("Rigo")),
escape_markup(msg))
entropy.tools.kill_threads()
Gtk.main_quit()
return
elif is_exclusive:
msg = _("Background Service is currently unavailable")
# no lock acquired, cannot continue the initialization
self._show_ok_dialog(None, escape_markup(_("Rigo")),
escape_markup(msg))
entropy.tools.kill_threads()
Gtk.main_quit()
return
parser = argparse.ArgumentParser(
description=_("Rigo Application Browser"))
parser.add_argument("package",
nargs='?',
type=file,
metavar="<path>",
help="package path")
parser.add_argument("--install",
metavar="<dep string>",
help="install given dependency")
parser.add_argument("--remove",
metavar="<dep string>",
help="remove given dependency")
parser.add_argument("--upgrade",
help="upgrade the system",
action="store_true",
default=False)
parser.add_argument("--dumper",
help="enable the main thread dumper (debug)",
action="store_true",
default=False)
parser.add_argument("--debug",
help="enable Entropy Library debug mode",
action="store_true",
default=False)
try:
self._nsargs = parser.parse_args(sys.argv[1:])
except IOError as err:
self._show_ok_dialog(None, escape_markup(_("Rigo")),
escape_markup("%s" % (err, )))
entropy.tools.kill_threads()
Gtk.main_quit()
return
self._thread_dumper()
self._pref_view_c.setup()
self._group_view_c.setup()
self._config_view_c.setup()
self._repo_view_c.setup()
self._notice_view_c.setup()
self._app_view_c.setup()
self._avc.setup()
self._nc.setup()
self._work_view_c.setup()
self._service.setup(acquired)
self._easter_eggs()
self._window.show()
managing = self._start_managing()
if not managing:
self._change_view_state(RigoViewStates.GROUPS_VIEW_STATE)
self._service.hello()
def release(self):
"""
Overridden from BaseBinaryResourceLock.
"""
lock = EntropyResourcesLock(output=Server)
lock.release()
def release(self):
"""
Overridden from BaseBinaryResourceLock.
"""
lock = EntropyResourcesLock(output=Server)
lock.release()
def init_singleton(self,
indexing=True,
installed_repo=None,
xcache=True,
user_xcache=False,
repo_validation=True,
url_fetcher=None,
multiple_url_fetcher=None,
**kwargs):
"""
Entropy Client Singleton interface. Your hitchhikers' guide to the
Galaxy.
@keyword indexing: enable metadata indexing (default is True)
@type indexing: bool
@keyword installed_repo: open installed packages repository? (default
is True). Accepted values: True = open, False = open but consider
it not available, -1 = do not even try to open
@type installed_repo: bool or int
@keyword xcache: enable on-disk cache (default is True)
@type xcache: bool
@keyword user_xcache: enable on-disk cache even for users not in the
entropy group (default is False). Dangerous, could lead to cache
inconsistencies.
@type user_xcache: bool
@keyword repo_validation: validate all the available repositories
and automatically exclude the faulty ones
@type repo_validation: bool
@keyword url_fetcher: override default entropy.fetchers.UrlFetcher
class usage. Provide your own implementation of UrlFetcher using
this argument.
@type url_fetcher: class or None
@keyword multiple_url_fetcher: override default
entropy.fetchers.MultipleUrlFetcher class usage. Provide your own
implementation of MultipleUrlFetcher using this argument.
"""
self.__post_acquire_hook_idx = None
self.__instance_destroyed = False
self._repo_error_messages_cache = set()
self._repodb_cache = {}
self._repodb_cache_mutex = threading.RLock()
self._memory_db_instances = {}
self._real_installed_repository = None
self._real_installed_repository_lock = threading.RLock()
self._treeupdates_repos = set()
self._can_run_sys_set_hooks = False
const_debug_write(__name__, "debug enabled")
self.safe_mode = 0
self._indexing = indexing
self._repo_validation = repo_validation
self._real_cacher = None
self._real_cacher_lock = threading.RLock()
# setup package settings (masking and other stuff)
self._real_settings = None
self._real_settings_lock = threading.RLock()
self._real_settings_client_plg = None
self._real_settings_client_plg_lock = threading.RLock()
self._real_logger = None
self._real_logger_lock = threading.RLock()
self._real_enabled_repos = None
self._real_enabled_repos_lock = threading.RLock()
self._multiple_url_fetcher = multiple_url_fetcher
self._url_fetcher = url_fetcher
if url_fetcher is None:
self._url_fetcher = UrlFetcher
if multiple_url_fetcher is None:
self._multiple_url_fetcher = MultipleUrlFetcher
self._do_open_installed_repo = True
self._installed_repo_enable = True
if installed_repo in (True, None, 1):
self._installed_repo_enable = True
elif installed_repo in (False, 0):
self._installed_repo_enable = False
elif installed_repo == -1:
self._installed_repo_enable = False
self._do_open_installed_repo = False
self.xcache = xcache
shell_xcache = os.getenv("ETP_NOCACHE")
if shell_xcache:
self.xcache = False
# now if we are on live, we should disable it
# are we running on a livecd? (/proc/cmdline has "cdroot")
if entropy.tools.islive():
self.xcache = False
elif (not entropy.tools.is_user_in_entropy_group()
) and not user_xcache:
self.xcache = False
# Add Entropy Resources Lock post-acquire hook that cleans
# repository caches.
hook_ref = EntropyResourcesLock.add_post_acquire_hook(
self._resources_post_hook)
self.__post_acquire_hook_idx = hook_ref
# enable System Settings hooks
self._can_run_sys_set_hooks = True
const_debug_write(__name__, "singleton loaded")
