Class MasterInfo

Creates a new instance of the MasterInfo. The mastername will be extracted from the masterui, if no name is given.

Parameters:

• masteruri (str) - The URI of the corresponding master
• mastername (str or None (Default: None)) - The name of the ROS master. If no one is given, it will be extracted from the masteruri.

Overrides: object.__init__

Creates a new instance of the MasterInfo from given list.

Parameters:

• l (list) - the list returned by listedState()

Returns: MasterInfo

the new instance of the MasterInfo filled from list.

Parameters:

• name (str) - the name of the node

Returns: NodeInfo or None

the instance of the NodeInfo with given name

Returns the node, which name ends with given suffix

Parameters:

• suffix (str) - the end of the name

Returns: NodeInfo or None

the instance of the NodeInfo with with given suffix

Parameters:

• name (str) - the name of the topic

Returns: NodeInfo or None

the instance of the TopicInfo with given name

Parameters:

• name (str) - the name of the service

Returns: ServiceInfo or None

the instance of the ServiceInfo with given name

Compares the master state with other master state. The timestamp will not be compared.

Parameters:

• other (MasterInfo) - the another MasterInfo instance.

Returns: boolean

True, if the states are equal.

Compares the master state with other master state. The timestamp will not be compared.

Parameters:

• other (MasterInfo @return a tupel with two boolean values (all equal, only local equal)) - the another MasterInfo instance.

Returns: (boolean, boolean)

Returns a extended roscore state.

Returns: (float, float, str, str, [ [str,[str] ] ], [ [str,[str] ] ], [ [str,[str] ] ], [ [str,str] ], [ [str,str,str,int,str] ], [ [str,str,str,str,str] ])

complete roscore state as

(stamp, stamp_local, masteruri, name, publishers, subscribers, services, topicTypes, nodes, serviceProvider)

• publishers is of the form

  [ [topic1, [topic1Publisher1...topic1PublisherN]] ... ]

• subscribers is of the form

  [ [topic1, [topic1Subscriber1...topic1SubscriberN]] ... ]

• services is of the form

  [ [service1, [service1Provider1...service1ProviderN]] ... ]

• topicTypes is a list of

  [ [topicName1, topicType1], ... ]

• nodes is a list of (the pid of remote Nodes will not be resolved)

  [nodename, XML-RPC URI, origin ROS_MASTER_URI, pid, { local, remote }]

• serviceProvider is a list of (the type, serviceClass and args of remote Services will not be resolved)

  [service, XML-RPC URI, origin ROS_MASTER_URI, type, { local, remote }]

mastername

Returns the name of the ROS master. In most cases the ROS master name is the name of the host, where the ROS master running. Although it can differ.

Get Method:

unreachable.mastername(self) - Returns the name of the ROS master.

Type:

str

masteruri

Returns the URI of the ROS master.

Get Method:

unreachable.masteruri(self) - Returns the URI of the ROS master.

Type:

str

timestamp

The timestamp when this MasterInfo was first time filled with the information. See self.check_ts to get the time, when the information was compared with the data of ROS Master.

Get Method:

unreachable.timestamp(self) - The timestamp when this MasterInfo was first time filled with the information.

Set Method:

unreachable.timestamp(self, ts) - Sets the timestamp of this instance

Type:

float

timestamp_local

The timestamp when this MasterInfo was first time filled with the information. See self.check_ts to get the time, when the information was compared with the data of ROS Master.

Get Method:

unreachable.timestamp_local(self) - The timestamp when this MasterInfo was first time filled with the information.

Set Method:

unreachable.timestamp_local(self, ts) - Sets the timestamp of this instance

Type:

float

nodes

Returns the dictionary with node names and corresponding instances of NodeInfo.

Get Method:

unreachable.nodes(self) - Returns the dictionary with node names and corresponding instances of NodeInfo.

Set Method:

unreachable.nodes(self, name) - Adds a new NodeInfo with given name.

Type:

dict(str:NodeInfo, ...)

node_names

Returns the list with node names

Get Method:

unreachable.node_names(self) - Returns the list with node names

Type:

[str, ...]

node_uris

Returns the list with node URI's.

Get Method:

unreachable.node_uris(self) - Returns the list with node URI's.

Type:

[str, ...]

topics

Returns the dictionary with topic names and corresponding TopicInfo instances.

Get Method:

unreachable.topics(self) - Returns the dictionary with topic names and corresponding TopicInfo instances.

Set Method:

unreachable.topics(self, name) - Adds a new TopicInfo with given name.

Type:

dict(str:TopicInfo, ...)

topic_names

Returns the list with topic names.

Get Method:

unreachable.topic_names(self) - Returns the list with topic names.

Type:

[str, ...]

services

Returns the dictionary with service names and corresponding ServiceInfo instances.

Get Method:

unreachable.services(self) - Returns the dictionary with service names and corresponding ServiceInfo instances.

Set Method:

unreachable.services(self, name) - Adds a new ServiceInfo with given name.

Type:

dict(str:ServiceInfo, ...)

service_names

Returns the list with service names.

Get Method:

unreachable.service_names(self) - Returns the list with service names.

Type:

[str, ...]

service_uris

Returns the list with service URI's.

Get Method:

unreachable.service_uris(self) - Returns the list with service URI's.

Type:

[str, ...]