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Added exception for NetworkError, to get specific error from connection class.

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This commit is contained in:
andrei 2022-05-26 13:04:46 +03:00
parent 872eec40c4
commit a864f8b7e1
2 changed files with 17 additions and 8 deletions
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22
planetmint/backend/connection.py
View File

@ -5,11 +5,13 @@
import logging
from importlib import import_module
import tarantool
from planetmint.config import Config
from planetmint.backend.exceptions import ConnectionError
from planetmint.transactions.common.exceptions import ConfigurationError
BACKENDS = { # This is path to MongoDBClass
'tarantool_db': 'planetmint.backend.tarantool.connection.TarantoolDB',
'localmongodb': 'planetmint.backend.localmongodb.connection.LocalMongoDBConnection'
@ -48,7 +50,7 @@ def Connection(host: str = None, port: int = None, login: str = None, password:
replicaset = _kwargs_parser(key="replicaset", kwargs=kwargs) or Config().get()['database']['replicaset']
ssl = _kwargs_parser(key="ssl", kwargs=kwargs) or Config().get()['database']['ssl']
login = login or Config().get()['database']['login'] if _kwargs_parser(key="login",
kwargs=kwargs) is None else _kwargs_parser(
kwargs=kwargs) is None else _kwargs_parser(
key="login", kwargs=kwargs)
password = password or Config().get()['database']['password'] if _kwargs_parser(key="password",
kwargs=kwargs) is None else _kwargs_parser(
@ -63,13 +65,17 @@ def Connection(host: str = None, port: int = None, login: str = None, password:
connection_timeout = _kwargs_parser(key="connection_timeout", kwargs=kwargs)
return Class(host=host, port=port, dbname=dbname,
max_tries=max_tries, connection_timeout=connection_timeout,
replicaset=replicaset, ssl=ssl, login=login, password=password,
ca_cert=ca_cert, certfile=certfile, keyfile=keyfile,
keyfile_passphrase=keyfile_passphrase, crlfile=crlfile)
max_tries=max_tries, connection_timeout=connection_timeout,
replicaset=replicaset, ssl=ssl, login=login, password=password,
ca_cert=ca_cert, certfile=certfile, keyfile=keyfile,
keyfile_passphrase=keyfile_passphrase, crlfile=crlfile)
except tarantool.error.NetworkError as network_err:
print(f"Host {host}:{port} can't be reached.\n{network_err}")
raise network_err
except:
logger.info('Exception in _connect(): {}')
raise ConfigurationError
logger.info('Exception in _connect(): {}')
raise ConfigurationError
def _kwargs_parser(key, kwargs):
if kwargs.get(key):

3
planetmint/backend/tarantool/connection.py
View File

@ -33,6 +33,9 @@ class TarantoolDB:
self.SPACE_NAMES = ["abci_chains", "assets", "blocks", "blocks_tx",
"elections", "meta_data", "pre_commits", "validators",
"transactions", "inputs", "outputs", "keys"]
except tarantool.error.NetworkError as network_err:
logger.info('Host cant be reached')
raise network_err
except:
logger.info('Exception in _connect(): {}')
raise ConfigurationError