def db(self, name='_system', username='******', password='', verify=False):
"""Connect to a database and return the database API wrapper.
:param name: Database name.
:type name: str | unicode
:param username: Username for basic authentication.
:type username: str | unicode
:param password: Password for basic authentication.
:type password: str | unicode
:param verify: Verify the connection by sending a test request.
:type verify: bool
:return: Standard database API wrapper.
:rtype: arango.database.StandardDatabase
:raise arango.exceptions.ServerConnectionError: If **verify** was set
to True and the connection to ArangoDB fails.
"""
connection = Connection(url=self._url,
db=name,
username=username,
password=password,
http_client=self._http_client)
database = StandardDatabase(connection)
if verify: # Check the server connection by making a read API call
try:
database.ping()
except ServerConnectionError as err:
raise err
except Exception as err:
raise ServerConnectionError('bad connection: {}'.format(err))
return database
def db(self, name='_system', username='******', password='', verify=False):
"""Connect to an ArangoDB database and return the database API wrapper.
:param name: Database name.
:type name: str | unicode
:param username: Username for basic authentication.
:type username: str | unicode
:param password: Password for basic authentication.
:type password: str | unicode
:param verify: Verify the connection by sending a test request.
:type verify: bool
:return: Standard database API wrapper.
:rtype: arango.database.StandardDatabase
:raise arango.exceptions.ServerConnectionError: If **verify** was set
to True and the connection fails.
"""
connection = Connection(hosts=self._hosts,
host_resolver=self._host_resolver,
sessions=self._sessions,
db_name=name,
username=username,
password=password,
http_client=self._http,
serializer=self._serializer,
deserializer=self._deserializer)
if verify:
try:
connection.ping()
except ServerConnectionError as err:
raise err
except Exception as err:
raise ServerConnectionError('bad connection: {}'.format(err))
return StandardDatabase(connection)
def __init__(self,
protocol='http',
host='127.0.0.1',
port=8529,
username='******',
password='',
verify=False,
http_client=None,
enable_logging=True):
self._protocol = protocol
self._host = host
self._port = port
self._username = username
self._password = password
self._http_client = http_client or DefaultHTTPClient()
self._logging = enable_logging
self._conn = Connection(protocol=self._protocol,
host=self._host,
port=self._port,
database='_system',
username=self._username,
password=self._password,
http_client=self._http_client,
enable_logging=self._logging)
self._wal = WriteAheadLog(self._conn)
if verify:
self.verify()
def __init__(self,
protocol='http',
host='127.0.0.1',
port=8529,
username='******',
password='',
verify=False,
http_client=None,
enable_logging=True,
check_cert=True,
use_session=True,
logger=None):
self._protocol = protocol
self._host = host
self._port = port
self._username = username
self._password = password
self._http_client = DefaultHTTPClient(
use_session=use_session,
check_cert=check_cert) if http_client is None else http_client
self._logging_enabled = enable_logging
self._conn = Connection(protocol=self._protocol,
host=self._host,
port=self._port,
database='_system',
username=self._username,
password=self._password,
http_client=self._http_client,
enable_logging=self._logging_enabled,
logger=logger)
self._wal = WriteAheadLog(self._conn)
if verify:
self.verify()
def database(self, name, username=None, password=None):
"""Return the database object.
:param name: the name of the database
:type name: str
:param username: the username for authentication (if set, overrides
the username specified during the client initialization)
:type username: str
:param password: the password for authentication (if set, overrides
the password specified during the client initialization
:type password: str
:returns: the database object
:rtype: arango.database.Database
"""
return Database(
Connection(protocol=self._protocol,
host=self._host,
port=self._port,
database=name,
username=username or self._username,
password=password or self._password,
http_client=self._http_client,
enable_logging=self._logging))
