light9 Changeset - a287ed391ed5

Changeset - a287ed391ed5

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Drew Perttula - 9 years ago 2016-06-06 07:46:58
drewp@bigasterisk.com

rdfdb preserve n3 prefixes in the files you rewrite
Ignore-this: 5645efdb50760922a96f4f5163caccb7

3 files changed with 45 insertions and 1 deletions:

light9/rdfdb/graphfile.py

light9/rdfdb/graphfile_test.py

makefile

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light9/rdfdb/graphfile.py

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@@ @@ -26,6 +26,8 @@ class GraphFile(object): @@
         self.lastWriteTimestamp = 0 # mtime from the last time _we_ wrote
         self.namespaces = {}
         if not os.path.exists(path):
             # can't start notify until file exists
             try:
@@ @@ -126,6 +128,7 @@ class GraphFile(object): @@
                 return
             new.parse(location=self.path, format='n3')
             self.namespaces.update(dict(new.namespaces()))
         except SyntaxError as e:
             print e
             traceback.print_exc()
@@ @@ -177,6 +180,8 @@ class GraphFile(object): @@
         tmpOut = self.path + ".rdfdb-temp"
         f = open(tmpOut, 'w')
         t1 = time.time()
         for p, n in self.namespaces.items():
             self.graphToWrite.bind(p, n)
         self.graphToWrite.serialize(destination=f, format='n3')
         serializeTime = time.time() - t1
         f.close()

light9/rdfdb/graphfile_test.py

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@@ new file 100644 @@
 import unittest
 import mock
 import tempfile
 from rdflib import URIRef, Graph
 from light9.rdfdb.graphfile import GraphFile
 class TestGraphFileOutput(unittest.TestCase):
     def testMaintainsN3PrefixesFromInput(self):
         tf = tempfile.NamedTemporaryFile(suffix='_test.n3')
         tf.write('''
         @prefix : <http://example.com/> .
         @prefix n: <http://example.com/n/> .
         :foo n:bar :baz .
         ''')
         tf.flush()
         def getSubgraph(uri):
             return Graph()
         gf = GraphFile(mock.Mock(), tf.name, URIRef('uri'), mock.Mock(), getSubgraph)
         gf.reread()
         newGraph = Graph()
         newGraph.add((URIRef('http://example.com/boo'),
                       URIRef('http://example.com/n/two'),
                       URIRef('http://example.com/other/ns')))
         gf.dirty(newGraph)
         gf.flush()
         wroteContent = open(tf.name).read()
         self.assertEqual('''@prefix : <http://example.com/> .
 @prefix n: <http://example.com/n/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix xml: <http://www.w3.org/XML/1998/namespace> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 :boo n:two <http://example.com/other/ns> .
 ''', wroteContent)

makefile

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 NOSEARGS="--no-path-adjustment light9.rdfdb.rdflibpatch light9.rdfdb.patch light9.effecteval.test_effect light9.collector"
+NOSEARGS="--no-path-adjustment light9.rdfdb.rdflibpatch light9.rdfdb.patch light9.effecteval.test_effect light9.collector light9.rdfdb.graphfile_test"
 tests:
 	eval env/bin/nosetests -x $(NOSEARGS)

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