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annotate service/reasoning/graphop.py @ 1732:3f4b447d65f5
port to starlette/asyncio
| author | drewp@bigasterisk.com |
|---|---|
| date | Mon, 10 Jul 2023 17:37:58 -0700 |
| parents | f3f667769aef |
| children |
| rev | line source |
|---|---|
| 49 | 1 import logging |
| 2 from rdflib import URIRef, ConjunctiveGraph | |
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3 from typing import List |
| 49 | 4 log = logging.getLogger() |
| 48 | 5 |
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7 def graphWithoutMetadata(g: ConjunctiveGraph, ignorePredicates=[]): |
| 48 | 8 """ |
| 9 graph filter that removes any statements whose subjects are | |
| 10 contexts in the graph and also any statements with the given | |
| 11 predicates | |
| 12 """ | |
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13 |
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14 ctxs = [ctx.identifier for ctx in g.contexts()] |
| 48 | 15 |
| 16 out = ConjunctiveGraph() | |
| 17 for stmt in g.quads((None, None, None)): | |
| 18 if stmt[0] not in ctxs and stmt[1] not in ignorePredicates: | |
| 19 out.addN([stmt]) | |
| 20 return out | |
| 21 | |
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drewp@bigasterisk.com
parents:
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22 |
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23 def graphEqual(a: ConjunctiveGraph, b: ConjunctiveGraph, |
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parents:
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changeset
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24 ignorePredicates: List[URIRef]=[]): |
| 48 | 25 """ |
| 26 compare graphs, omitting any metadata statements about contexts | |
| 27 (especially modification times) and also any statements using the | |
| 28 given predicates | |
| 29 """ | |
| 30 stmtsA = set(graphWithoutMetadata(a, ignorePredicates)) | |
| 31 stmtsB = set(graphWithoutMetadata(b, ignorePredicates)) | |
| 32 if stmtsA == stmtsB: | |
| 33 return True | |
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parents:
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34 |
| 48 | 35 if log.getEffectiveLevel() <= logging.INFO: |
| 36 lost = stmtsA - stmtsB | |
| 37 if lost: | |
| 118 | 38 log.info("graph A only:") |
| 48 | 39 for s in lost: |
| 40 log.info(" %s", s) | |
| 41 new = stmtsB - stmtsA | |
| 42 if new: | |
| 118 | 43 log.info("graph B only:") |
| 48 | 44 for s in new: |
| 45 log.info(" %s", s) | |
| 46 return False |