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annotate graphconvert.py @ 43:b5d3d9a8c83d

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new graph of just the events happening now
author drewp@bigasterisk.com
date Mon, 19 Feb 2024 13:53:46 -0800
parents 7d9609edcf9c
children e53a1bc87f99
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7d9609edcf9c track calendar feed summary/description text and emit them in graphs
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1 from localtypes import Conf, feedFromCalId
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2 from rdflib import RDF, RDFS, ConjunctiveGraph, Literal, Namespace, URIRef
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4 EV = Namespace("http://bigasterisk.com/event#")
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7 def asGraph(conf: Conf, cals, events, extraClasses=[], ctxUri:URIRef=EV['gcalendar']):
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8 ctx = ConjunctiveGraph(identifier=ctxUri)
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9 graph = ConjunctiveGraph()
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10 graph.namespace_manager.bind('ev', EV)
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12 for doc in cals:
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13 feed = URIRef(feedFromCalId(conf, doc['_id']))
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14 graph.add((feed, RDF.type, EV['CalendarFeed'], ctx))
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15 if doc['summary']:
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16 graph.add((feed, RDFS.label, Literal(doc['summary'].strip()), ctx))
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17 if doc['description']:
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18 graph.add((feed, EV['description'], Literal(doc['description'].strip()), ctx))
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20 for ev in events:
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21 uri = URIRef(ev.get('uri', ev.get('_id')))
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22 if uri is None:
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23 raise ValueError(f"{ev=} had no event uri")
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25 def add(p: URIRef, o: URIRef|Literal):
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26 return graph.add((uri, p, o, ctx))
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28 add(RDF.type, EV['Event'])
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29 for cls in extraClasses:
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30 add(RDF.type, cls)
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31 add(EV['title'], Literal(ev['title']))
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32 add(EV['start'], Literal(ev['start']))
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33 add(EV['startDate'], Literal(ev['startDate']))
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34 add(EV['end'], Literal(ev['end']))
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35 add(EV['feed'], URIRef(ev['feed']))
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36 # graph.add((feed, RDFS.label, Literal(ev['feedTitle'])))
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37 if 'htmlLink' in ev:
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38 add(EV['htmlLink'], URIRef(ev['htmlLink']))
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39 return graph