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annotate service/mqtt_to_rdf/inference/rdflib_debug_patches.py @ 1727:23e6154e6c11
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| author | drewp@bigasterisk.com |
|---|---|
| date | Tue, 20 Jun 2023 23:26:24 -0700 |
| parents | service/mqtt_to_rdf/rdflib_debug_patches.py@37710d28890b |
| children |
| rev | line source |
|---|---|
| 1595 | 1 """rdflib patches for prettier debug outut""" |
| 2 | |
| 3 import itertools | |
| 4 | |
| 5 import rdflib | |
| 6 import rdflib.plugins.parsers.notation3 | |
| 7 import rdflib.term | |
| 1691 | 8 from rdflib import BNode, RDF |
| 1595 | 9 |
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10 ROOM = rdflib.Namespace('http://projects.bigasterisk.com/room/') |
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82ddd3e6b227
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changeset
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11 |
| 1691 | 12 ABBREVIATE = { |
| 13 '': ROOM, | |
| 14 'rdf': RDF, | |
| 15 } | |
| 16 | |
| 1595 | 17 |
| 18 def patchSlimReprs(): | |
| 19 """From: rdflib.term.URIRef('foo') | |
| 20 To: U('foo') | |
| 21 """ | |
| 22 | |
| 23 def ur(self): | |
| 24 clsName = "U" if self.__class__ is rdflib.term.URIRef else self.__class__.__name__ | |
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25 s = super(rdflib.term.URIRef, self).__str__() |
| 1691 | 26 for short, long in ABBREVIATE.items(): |
| 27 if s.startswith(str(long)): | |
| 28 s = short + ':' + s[len(str(long)):] | |
| 29 break | |
| 30 | |
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31 return """%s(%s)""" % (clsName, s) |
| 1595 | 32 |
| 33 rdflib.term.URIRef.__repr__ = ur | |
| 34 | |
| 35 def br(self): | |
| 36 clsName = "BNode" if self.__class__ is rdflib.term.BNode else self.__class__.__name__ | |
| 37 return """%s(%s)""" % (clsName, super(rdflib.term.BNode, self).__repr__()) | |
| 38 | |
| 39 rdflib.term.BNode.__repr__ = br | |
| 40 | |
| 41 def vr(self): | |
| 42 clsName = "V" if self.__class__ is rdflib.term.Variable else self.__class__.__name__ | |
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43 return """%s(%s)""" % (clsName, '?' + super(rdflib.term.Variable, self).__str__()) |
| 1595 | 44 |
| 45 rdflib.term.Variable.__repr__ = vr | |
| 46 | |
| 47 | |
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try a bnode test mode improvement, but it's not so useful if you parse graphs with reused bnodes in them
drewp@bigasterisk.com
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48 def patchBnodeCounter(always=False): |
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2b905c07e82b
try a bnode test mode improvement, but it's not so useful if you parse graphs with reused bnodes in them
drewp@bigasterisk.com
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49 """From: rdflib.terms.BNode('ne7bb4a51624993acdf51cc5d4e8add30e1' |
| 1595 | 50 To: BNode('f-6-1') |
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2b905c07e82b
try a bnode test mode improvement, but it's not so useful if you parse graphs with reused bnodes in them
drewp@bigasterisk.com
parents:
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changeset
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51 |
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2b905c07e82b
try a bnode test mode improvement, but it's not so useful if you parse graphs with reused bnodes in them
drewp@bigasterisk.com
parents:
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changeset
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52 BNode creation can override this, which might matter when adding BNodes that |
|
2b905c07e82b
try a bnode test mode improvement, but it's not so useful if you parse graphs with reused bnodes in them
drewp@bigasterisk.com
parents:
1665
diff
changeset
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53 are known to be the same as each other. Set `always` to disregard this and |
|
2b905c07e82b
try a bnode test mode improvement, but it's not so useful if you parse graphs with reused bnodes in them
drewp@bigasterisk.com
parents:
1665
diff
changeset
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54 always get short ids. |
| 1595 | 55 """ |
| 56 serial = itertools.count() | |
| 57 | |
| 58 def n(cls, value=None, _sn_gen='', _prefix='') -> BNode: | |
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try a bnode test mode improvement, but it's not so useful if you parse graphs with reused bnodes in them
drewp@bigasterisk.com
parents:
1665
diff
changeset
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59 if always or value is None: |
| 1595 | 60 value = 'N-%s' % next(serial) |
| 61 return rdflib.term.Identifier.__new__(cls, value) | |
| 62 | |
| 63 rdflib.term.BNode.__new__ = n | |
| 64 | |
| 65 def newBlankNode(self, uri=None, why=None): | |
| 66 if uri is None: | |
| 67 self.counter += 1 | |
| 68 bn = BNode('f-%s-%s' % (self.number, self.counter)) | |
| 69 else: | |
| 70 bn = BNode(uri.split('#').pop().replace('_', 'b')) | |
| 71 return bn | |
| 72 | |
| 73 rdflib.plugins.parsers.notation3.Formula.newBlankNode = newBlankNode |