[repository] #1460066: backport datafeed cube as cubicweb source * add some attributes to CWSource to handle this kind of source (not natural to put everything in 'config' string). Adding a CWSource subclass has been attempted then rollbacked because it adds pain to handle multi-sources planning and it introduce an ambiguity on a generic relation (cw_source), which may be a penalty in multiple case * data feed sources are a new kind of source, namely 'copy based', which have no effect on the query planner * a data feed source is associated to a list of url and a parser (appobjects in the 'parsers' registry * entities imported by a data feed have cwuri set to their url on the distant site, their cw_source relation point to the data feed source, though their source stored in the entities table (returned by cw_metainformation) is their physical source, hence 'system'

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/**

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 *  functions specific to cubicweb on google appengine

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 *

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 *  :organization: Logilab

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 *  :copyright: 2008-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

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 *  :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

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 */

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/**

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 * .. function:: rql_for_eid(eid)

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 *

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 * overrides rql_for_eid function from htmlhelpers.hs

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 */

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function rql_for_eid(eid) {

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        return 'Any X WHERE X eid "' + eid + '"';

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}