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Ensure settings are actually committed

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Without committing or closing the db, settings were not being saved.

Also, adds a run_in_thread decorator to simplify the code.
This commit is contained in:
Job Evers-Meltzer 2016-08-12 10:08:21 -05:00
parent ff31ddd2d5
commit 3ed7ce5630
1 changed files with 50 additions and 56 deletions
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60
lbrynet/lbrynet_console/LBRYSettings.py
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@ -1,15 +1,25 @@
import binascii
import functools
import json
import unqlite
import logging
import os
from twisted.internet import threads, defer
import unqlite
log = logging.getLogger(__name__)
def run_in_thread(fn):
@functools.wraps(fn)
def wrapped(*args, **kwargs):
return threads.deferToThread(fn, *args, **kwargs)
return wrapped
class LBRYSettings(object):
NAME = "settings.db"
def __init__(self, db_dir):
self.db_dir = db_dir
self.db = None
@ -18,47 +28,39 @@ class LBRYSettings(object):
return self._open_db()
def stop(self):
self.db.close()
self.db = None
return defer.succeed(True)
def _open_db(self):
log.debug("Opening %s as the settings database", str(os.path.join(self.db_dir, "settings.db")))
self.db = unqlite.UnQLite(os.path.join(self.db_dir, "settings.db"))
filename = os.path.join(self.db_dir, self.NAME)
log.debug("Opening %s as the settings database", filename)
self.db = unqlite.UnQLite(filename)
return defer.succeed(True)
@run_in_thread
def save_lbryid(self, lbryid):
def save_lbryid():
self.db['lbryid'] = binascii.hexlify(lbryid)
self.db.commit()
return threads.deferToThread(save_lbryid)
@run_in_thread
def get_lbryid(self):
def get_lbryid():
if 'lbryid' in self.db:
return binascii.unhexlify(self.db['lbryid'])
else:
return None
return threads.deferToThread(get_lbryid)
@run_in_thread
def get_server_running_status(self):
def get_status():
if 'server_running' in self.db:
return json.loads(self.db['server_running'])
else:
return True
return threads.deferToThread(get_status)
@run_in_thread
def save_server_running_status(self, running):
def save_status():
self.db['server_running'] = json.dumps(running)
return threads.deferToThread(save_status)
self.db.commit()
def get_default_data_payment_rate(self):
return self._get_payment_rate("default_data_payment_rate")
@ -78,43 +80,35 @@ class LBRYSettings(object):
def save_server_crypt_info_payment_rate(self, rate):
return self._save_payment_rate("server_crypt_info_payment_rate", rate)
@run_in_thread
def _get_payment_rate(self, rate_type):
def get_rate():
if rate_type in self.db:
return json.loads(self.db[rate_type])
else:
return None
return threads.deferToThread(get_rate)
@run_in_thread
def _save_payment_rate(self, rate_type, rate):
def save_rate():
if rate is not None:
self.db[rate_type] = json.dumps(rate)
elif rate_type in self.db:
del self.db[rate_type]
self.db.commit()
return threads.deferToThread(save_rate)
@run_in_thread
def get_query_handler_status(self, query_identifier):
def get_status():
if json.dumps(('q_h', query_identifier)) in self.db:
return json.loads(self.db[(json.dumps(('q_h', query_identifier)))])
else:
return True
return threads.deferToThread(get_status)
def enable_query_handler(self, query_identifier):
return self._set_query_handler_status(query_identifier, True)
def disable_query_handler(self, query_identifier):
return self._set_query_handler_status(query_identifier, False)
@run_in_thread
def _set_query_handler_status(self, query_identifier, status):
def set_status():
self.db[json.dumps(('q_h', query_identifier))] = json.dumps(status)
return threads.deferToThread(set_status)
self.db.commit()