def wrapped(*args, **kwargs):
try:
func(*args, **kwargs)
except StartupError, e:
if e.summary is not None:
m = messages.StartupFailure(e.summary, e.description)
else:
m = messages.FrontendQuit()
m.send_to_frontend()
"Start Fresh button and restart %(appname)s.\n\n"
"To help us fix problems like this in the future, "
"please file a bug report at %(url)s.", {
"appname": app.config.get(prefs.SHORT_APP_NAME),
"url": app.config.get(prefs.BUG_REPORT_URL),
"error": msg
}))
m.send_to_frontend()
else:
logging.warn("Unknown startup error: %s",
traceback.format_exc())
m = messages.StartupFailure(
_("Unknown Error"),
_(
"An unknown error prevented %(appname)s from startup. "
"Please file a bug report at %(url)s.", {
"appname": app.config.get(prefs.SHORT_APP_NAME),
"url": app.config.get(prefs.BUG_REPORT_URL)
}))
m.send_to_frontend()
return wrapped
def _movies_directory_gone_handler(callback):
"""Default _movies_directory_gone_handler. The frontend should
override this using the ``install_movies_directory_gone_handler``
function.
"""
logging.error("Movies directory is gone -- no handler installed!")
eventloop.add_urgent_call(callback, "continuing startup")
def startup_function(func):
"""Decorator for startup functions. This decorator catches exceptions and
turns them into StartupFailure messages.
"""
def wrapped(*args, **kwargs):
try:
func(*args, **kwargs)
except StartupError, e:
if e.summary is not None:
m = messages.StartupFailure(e.summary, e.description)
else:
m = messages.FrontendQuit()
m.send_to_frontend()
except StandardError, exc:
# we do this so that we only kick up the database error
# if it's a database-related exception AND the app has a
# db attribute
if ((isinstance(exc, (database.DatabaseException,
database.DatabaseStandardError,
storedatabase.sqlite3.DatabaseError,
storedatabase.sqlite3.OperationalError))
and app.db is not None)):
# somewhere in one of the startup functions, Miro
# kicked up a database-related problem. we don't know
# where it happend, so we can't just start fresh and
# keep going. instead we have to start fresh, shut
# miro down, and on the next run, maybe miro will
# work.
msg = exc.message
if not msg:
msg = str(exc)
logging.exception("Database error on startup:")
m = messages.StartupDatabaseFailure(
_("Database Error"),
_("We're sorry, %(appname)s was unable to start up due "
"to a problem with the database:\n\n"
"Error: %(error)s\n\n"
"It's possible that your database file is corrupted and "
"cannot be used.\n\n"
"You can start fresh and your damaged database will be "
"removed, but you will have to re-add your podcasts and "
"media files. If you want to do this, press the "
"Start Fresh button and restart %(appname)s.\n\n"
"To help us fix problems like this in the future, "
"please file a bug report at %(url)s.",
{"appname": app.config.get(prefs.SHORT_APP_NAME),
"url": app.config.get(prefs.BUG_REPORT_URL),
"error": msg}
))
m.send_to_frontend()
else:
logging.warn(
"Unknown startup error: %s", traceback.format_exc())
m = messages.StartupFailure(
_("Unknown Error"),
_("An unknown error prevented %(appname)s from startup. "
"Please file a bug report at %(url)s.",
{"appname": app.config.get(prefs.SHORT_APP_NAME),
"url": app.config.get(prefs.BUG_REPORT_URL)}
))
m.send_to_frontend()