forked from LBRYCommunity/lbry-sdk
3ed7ce5630
Without committing or closing the db, settings were not being saved. Also, adds a run_in_thread decorator to simplify the code.
114 lines
3.3 KiB
Python
114 lines
3.3 KiB
Python
import binascii
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import functools
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import json
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import logging
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import os
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from twisted.internet import threads, defer
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import unqlite
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log = logging.getLogger(__name__)
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def run_in_thread(fn):
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@functools.wraps(fn)
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def wrapped(*args, **kwargs):
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return threads.deferToThread(fn, *args, **kwargs)
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return wrapped
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class LBRYSettings(object):
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NAME = "settings.db"
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def __init__(self, db_dir):
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self.db_dir = db_dir
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self.db = None
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def start(self):
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return self._open_db()
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def stop(self):
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self.db.close()
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self.db = None
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return defer.succeed(True)
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def _open_db(self):
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filename = os.path.join(self.db_dir, self.NAME)
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log.debug("Opening %s as the settings database", filename)
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self.db = unqlite.UnQLite(filename)
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return defer.succeed(True)
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@run_in_thread
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def save_lbryid(self, lbryid):
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self.db['lbryid'] = binascii.hexlify(lbryid)
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self.db.commit()
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@run_in_thread
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def get_lbryid(self):
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if 'lbryid' in self.db:
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return binascii.unhexlify(self.db['lbryid'])
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else:
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return None
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@run_in_thread
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def get_server_running_status(self):
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if 'server_running' in self.db:
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return json.loads(self.db['server_running'])
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else:
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return True
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@run_in_thread
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def save_server_running_status(self, running):
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self.db['server_running'] = json.dumps(running)
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self.db.commit()
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def get_default_data_payment_rate(self):
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return self._get_payment_rate("default_data_payment_rate")
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def save_default_data_payment_rate(self, rate):
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return self._save_payment_rate("default_data_payment_rate", rate)
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def get_server_data_payment_rate(self):
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return self._get_payment_rate("server_data_payment_rate")
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def save_server_data_payment_rate(self, rate):
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return self._save_payment_rate("server_data_payment_rate", rate)
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def get_server_crypt_info_payment_rate(self):
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return self._get_payment_rate("server_crypt_info_payment_rate")
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def save_server_crypt_info_payment_rate(self, rate):
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return self._save_payment_rate("server_crypt_info_payment_rate", rate)
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@run_in_thread
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def _get_payment_rate(self, rate_type):
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if rate_type in self.db:
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return json.loads(self.db[rate_type])
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else:
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return None
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@run_in_thread
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def _save_payment_rate(self, rate_type, rate):
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if rate is not None:
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self.db[rate_type] = json.dumps(rate)
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elif rate_type in self.db:
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del self.db[rate_type]
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self.db.commit()
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@run_in_thread
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def get_query_handler_status(self, query_identifier):
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if json.dumps(('q_h', query_identifier)) in self.db:
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return json.loads(self.db[(json.dumps(('q_h', query_identifier)))])
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else:
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return True
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def enable_query_handler(self, query_identifier):
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return self._set_query_handler_status(query_identifier, True)
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def disable_query_handler(self, query_identifier):
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return self._set_query_handler_status(query_identifier, False)
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@run_in_thread
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def _set_query_handler_status(self, query_identifier, status):
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self.db[json.dumps(('q_h', query_identifier))] = json.dumps(status)
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self.db.commit()
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