Package rospy :: Module msproxy :: Class MasterProxy

Class MasterProxy

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object --+
         |
        MasterProxy

Convenience wrapper for ROS master API and XML-RPC implementation. The Master API methods can be invoked on this object and will be forwarded appropriately. Names in arguments will be remapped according to current node settings. Provides dictionary-like access to parameter server, e.g.:

 master[key] = value

All methods are thread-safe.

Instance Methods
 
__init__(self, uri)
Constructor for wrapping a remote master instance.
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__getattr__(self, key) source code
 
__getitem__(self, key)
Fetch item from parameter server and subscribe to future updates so that values can be cached.
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__setitem__(self, key, val)
Set parameter value on Parameter Server
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str
search_param(self, key)
Search for a parameter matching key on the parameter server
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__delitem__(self, key)
Delete parameter key from the parameter server.
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__contains__(self, key)
Check if parameter is set on Parameter Server
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__iter__(self) source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Properties

Inherited from object: __class__

Method Details

__init__(self, uri)
(Constructor)

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Constructor for wrapping a remote master instance.

Parameters:
  • uri (str) - XML-RPC URI of master
Overrides: object.__init__

__getitem__(self, key)
(Indexing operator)

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Fetch item from parameter server and subscribe to future updates so that values can be cached.

Parameters:
  • key (str) - parameter key
Raises:
  • KeyError - if key is not set

__setitem__(self, key, val)
(Index assignment operator)

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Set parameter value on Parameter Server

Parameters:
  • key (str) - parameter key
  • val (XMLRPC legal value) - parameter value

search_param(self, key)

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Search for a parameter matching key on the parameter server

Returns: str
found key or None if search did not succeed
Raises:

__delitem__(self, key)
(Index deletion operator)

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Delete parameter key from the parameter server.

Raises:
  • KeyError - if key is not set
  • ROSException - if parameter server reports an error

__contains__(self, key)
(In operator)

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Check if parameter is set on Parameter Server

Parameters:
  • key (str) - parameter key
Raises:

__iter__(self)

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Raises: