def waitConnection(connection, timeout = None):
"""Wait for a connection to Spec to be established
Arguments:
connection -- a 'host:port' string
timeout -- optional timeout (defaults to None)
"""
if isinstance(connection, str) or (is_python2() and isinstance(connection, unicode)):
from pyspec.client.SpecConnectionsManager import SpecConnectionsManager
connection = SpecConnectionsManager().getConnection(str(connection))
w = SpecWaitObject(connection)
w.waitConnection(timeout = timeout)
def __init__(self, command = None, connection = None, callbacks = None):
self.command = None
self.connection = None
self.specVersion = None
self.isConnected = self.isSpecConnected #alias
if isinstance(connection, str) or (is_python2() and isinstance(connection, unicode)):
#
# connection is given in the 'host:port' form
#
self.connectToSpec(str(connection))
else:
self.connection = connection
if command is not None:
self.setCommand(command)
def waitReply(connection, command, argsTuple, timeout = None):
"""Wait for a reply from a remote Spec server
Arguments:
connection -- a 'host:port' string
command -- command to execute
argsTuple -- tuple of arguments for the command
timeout -- optional timeout (defaults to None)
"""
if isinstance(connection, str) or (is_python2() and isinstance(connection, unicode)):
connection = str(connection)
from pyspec.client.SpecConnectionsManager import SpecConnectionsManager
connection = SpecConnectionsManager().getConnection(connection)
waitConnection(connection, timeout = timeout)
w = SpecWaitObject(connection)
w.waitReply(command, argsTuple, timeout=timeout)
return w.value
def waitChannelUpdate(chanName, connection, waitValue = None, timeout = None):
"""Wait for a channel to be updated
Arguments:
chanName -- channel name (e.g 'var/toto')
connection -- a 'host:port' string
waitValue -- value to wait (defaults to None)
timeout -- optional timeout (defaults to None)
"""
if isinstance(connection, str) or (is_python2() and isinstance(connection, unicode)):
connection = str(connection)
from pyspec.client.SpecConnectionsManager import SpecConnectionsManager
connection = SpecConnectionsManager().getConnection(connection)
waitConnection(connection, timeout = timeout)
w = SpecWaitObject(connection)
w.waitChannelUpdate(chanName, waitValue = waitValue, timeout = timeout)
return w.value
def dataType(self, data):
"""Try to guess data type
Works for obvious cases only
- it is a hard job guessing ARRAY_* types, we ignore this case (user has to provide a suitable datatype)
- we cannot make a difference between ERROR type and STRING type
"""
#if type(data) == types.StringType:
#if type(data) == str:
if isinstance(data,str):
return STRING
elif isinstance(data,dict):
return ASSOC
#elif isinstance(data,int) or isinstance(data,long) or isinstance(data,float):
elif isinstance(data,int) or isinstance(data,float):
return STRING
elif is_python2() and isinstance(data,long):
return STRING
elif isinstance(data, SpecArray.SpecArrayData):
self.rows, self.cols = data.shape
return data.type