Package groupthink :: Module groupthink_base

Module groupthink_base

the core functionality of Groupthink. Note that the contents of the groupthink_base submodule are available directly from the groupthink module. There is no need to refer to groupthink.groupthink_base from application code.

Classes

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Group
A Group is a simple tool for organizing DObjects.

TubeBox
A TubeBox is a box that either contains a Tube or does not.

TimeHandler
A TimeHandler provides a universal clock for a sharing instance.

UnorderedHandler
The UnorderedHandler serves as the interface between a local UnorderedObject (a pure python entity) and the d-bus/network system.

HandlerAcceptor
A HandlerAcceptor is an abstract base class for objects that can accept a Handler.

UnorderedHandlerAcceptor
An UnorderedHandlerAcceptor is a HandlerAcceptor that accepts an UnorderedHandler.

UnorderedObject
The most basic DObject is the Unordered Object (UO).

HighScore
A HighScore is the simplest nontrivial UnorderedObject.

Latest
Latest is a variation on HighScore, in which the score is the current timestamp.

Recentest
Recentest is like Latest, but without using a clock or TimeHandler.

AddOnlySet
The AddOnlySet is the archetypal UnorderedObject.

AddOnlySortedSet
AddOnlySortedSet is much like AddOnlySet, only backed by a ListSet, which provides a set for objects that are ordered under cmp().

CausalHandler
The CausalHandler is analogous to the UnorderedHandler, in that it presents an interface with which to build a wide variety of objects with distributed state.

CausalHandlerAcceptor
HandlerAcceptor for CausalHandlers.

CausalObject
A CausalObject is almost precisely like an UnorderedObject, except that whereas an UnorderedObject is completely specified by a set of messages, a CausalObject is completely specified by an ordered list of messages, sorted according to an opaque index associated with each message.

CausalDict
CausalDict is a distributed version of a Dict (hash table).

UserDict
UserDict is UNTESTED and almost certainly DOES NOT WORK.

UnorderedString
UnorderedString represents a shared editable string-like object, backed by a SimpleStringTree.

CausalTree
CausalTree is UNTESTED and almost certainly DOES NOT WORK.

Functions

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PassFunction(*args, **kargs)

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ReturnFunction(x)

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empty_translator(x, pack)
A null function, to be used when the API requires a translator, but the user prefers to leave all translation to dbus-python's introspection capabilities.

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float_translator(f, pack)
This translator packs and unpacks floats for dbus serialization

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uint_translator(f, pack)
This translator packs and unpacks 64-bit uints for dbus serialization

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int_translator(f, pack)
This translator packs and unpacks 32-bit ints for dbus serialization

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string_translator(s, pack)
This translator packs and unpacks unicode strings for dbus serialization

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bool_translator(s, pack)

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