当前位置: 首页>>代码示例>>Python>>正文


Python ConjunctiveGraph.open方法代码示例

本文整理汇总了Python中rdflib.graph.ConjunctiveGraph.open方法的典型用法代码示例。如果您正苦于以下问题:Python ConjunctiveGraph.open方法的具体用法?Python ConjunctiveGraph.open怎么用?Python ConjunctiveGraph.open使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在rdflib.graph.ConjunctiveGraph的用法示例。


在下文中一共展示了ConjunctiveGraph.open方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: update_list

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
def update_list():
    """
    Reads the triple store looking for twitter usernames and adds 
    them to the dev8d list.
    """
    g = ConjunctiveGraph("Sleepycat")
    g.open("store")

    # get oauth client in order
    credentials = get_credentials()
    consumer = oauth.Consumer(credentials['key'], credentials['secret'])
    client = oauth.Client(consumer, credentials['access_token'])
    list_update_url = 'http://api.twitter.com/1/%s/%s/members.json' % \
        (credentials['list_owner'], credentials['list_name'])

    # create the list if necessary
    create_list(credentials['list_owner'], credentials['list_name'], client)

    # look at all the twitter usernames and add them to the list
    for twitter_username in g.objects(predicate=w['Twitter']):
        id = twitter_user_id(twitter_username, client)
        if id:
            logging.info("adding %s (%s) to list" % (twitter_username, id))
            body = "id=%s" % id
            resp, content = client.request(list_update_url, 'POST', body=body)
        else:
            logging.error("unable to get twitter id for %s" % twitter_username)
    g.close()
开发者ID:edsu,项目名称:dev8d-linked-data,代码行数:30,代码来源:twitter_list.py

示例2: test_issue_4

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
 def test_issue_4(self):
     ident = URIRef("rdflib_test")
     g = Graph(store="SQLAlchemy", identifier=ident)
     rt = g.open(self.uri, create=True)
     if rt == NO_STORE:
         g.open(self.uri, create=True)
     else:
         assert rt == VALID_STORE, "The underlying store is corrupt"
     g.destroy(self.uri)
开发者ID:RDFLib,项目名称:rdflib-sqlalchemy,代码行数:11,代码来源:test_sqlalchemy_mysql.py

示例3: TestBDBTransactions

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
class TestBDBTransactions(unittest.TestCase):
    non_core = True

    def setUp(self):
        self.graph = ConjunctiveGraph(store="BerkeleyDB")
        self.path = mkdtemp()
        self.graph.open(self.path, create=True)
                    
    def tearDown(self):
        self.graph.close()

    def get_context(self, identifier):
        assert isinstance(identifier, URIRef) or \
               isinstance(identifier, BNode), type(identifier)
        return Graph(store=self.graph.store, identifier=identifier,
                         namespace_manager=self)

    def __manyOpsManyThreads(self, worker, workers=10, triples=1000, input=[]):
        all_ops = []
        
        pool = []
        for i in range(0, workers):
            t = Thread(target=worker, args=(all_ops, self.graph, triples), kwargs={'input':input})
            pool.append(t)
            t.start()

        for t in pool:
            t.join()

        return all_ops
    
    def testAddManyManyThreads(self):
        # TODO: sometimes this test leads to TypeError exceptions?
        w = 4
        t = 1000
        self.__manyOpsManyThreads(worker_add, workers=w, triples=t)
        #print "graph size after finish: ", len(self.graph)
        self.failUnless(len(self.graph) == w*t)
    
    def testRemove(self):
        ops = self.__manyOpsManyThreads(worker_add, workers=1, triples=10)
        self.__manyOpsManyThreads(worker_remove, workers=1, triples=7, input=ops)
        #print "graph size after finish: ", len(self.graph)
        self.failUnless(len(self.graph) == 3)

    def testRemoveAll(self):
        ops = self.__manyOpsManyThreads(worker_add, workers=1, triples=10)
        
        try:
            self.graph.remove((None, None, None))
        except Exception, e:
            #print "Could not remove all: ", e
            raise e
            
        #print "graph size after finish: ", len(self.graph)
        self.failUnless(len(self.graph) == 0)
开发者ID:alcides,项目名称:rdflib,代码行数:58,代码来源:test_bdb_transaction.py

示例4: setUp

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
class TestBDBOptimized:
    non_core = True
    bsddb = True

    def setUp(self):
        self.graph = ConjunctiveGraph(store="BDBOptimized")
        self.path = mkdtemp()
        self.graph.open(self.path, create=True)

    def tearDown(self):
        self.graph.close()
开发者ID:alcides,项目名称:rdflib,代码行数:13,代码来源:test_bdb_optimized.py

示例5: test_issue_4

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
    def test_issue_4(self):
        from rdflib.graph import ConjunctiveGraph as Graph
        from rdflib.store import NO_STORE, VALID_STORE
        from rdflib.term import URIRef

        ident = URIRef("rdflib_test")
        g = Graph(store="SQLAlchemy", identifier=ident)
        rt = g.open(self.uri, create=True)
        if rt == NO_STORE:
            g.open(self.uri, create=True)
        else:
            assert rt == VALID_STORE, "The underlying store is corrupt"
        g.destroy(self.uri)
开发者ID:aaronhelton,项目名称:rdflib-sqlalchemy,代码行数:15,代码来源:test_sqlalchemy_mysql.py

示例6: init_store

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
def init_store(path):
    """
    Initialize the Conjunctive Graph
    """
    global store

    if store is not None:
        raise RuntimeError("Don't initialize the graph more than once")

    store = plugin.get('Sleepycat', Store)('rdfstore')
    graph = ConjunctiveGraph(store=store, identifier=graph_uri)

    rt = graph.open(path)
    if rt == NO_STORE:
        graph.open(path, create=True)
    else:
        assert rt == VALID_STORE
开发者ID:publysher,项目名称:zoowizard-rdf,代码行数:19,代码来源:db.py

示例7: rdf_description

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
def rdf_description(name, notation='xml' ):
    """
    Funtion takes  title of node, and rdf notation.
    """
    valid_formats = ["xml", "n3", "ntriples", "trix"]
    default_graph_uri = "http://gstudio.gnowledge.org/rdfstore"
    configString = "/var/tmp/rdfstore"

    # Get the Sleepycat plugin.
    store = plugin.get('Sleepycat', Store)('rdfstore')

    # Open previously created store, or create it if it doesn't exist yet
    graph = Graph(store="Sleepycat",
               identifier = URIRef(default_graph_uri))
    path = mkdtemp()
    rt = graph.open(path, create=False)
    if rt == NO_STORE:
    #There is no underlying Sleepycat infrastructure, create it
        graph.open(path, create=True)
    else:
        assert rt == VALID_STORE, "The underlying store is corrupt"


    # Now we'll add some triples to the graph & commit the changes
    rdflib = Namespace('http://sbox.gnowledge.org/gstudio/')
    graph.bind("gstudio", "http://gnowledge.org/")
    exclusion_fields = ["id", "rght", "node_ptr_id", "image", "lft", "_state", "_altnames_cache", "_tags_cache", "nid_ptr_id", "_mptt_cached_fields"]
    node=Objecttype.objects.get(title=name)
    node_dict=node.__dict__

    subject=str(node_dict['id'])
    for key in node_dict:
        if key not in exclusion_fields:
            predicate=str(key)
            pobject=str(node_dict[predicate])
            graph.add((rdflib[subject], rdflib[predicate], Literal(pobject)))
     
     
    graph.commit()

    print graph.serialize(format=notation)

    graph.close()
开发者ID:Big-Data,项目名称:gnowsys-studio,代码行数:45,代码来源:rdf.py

示例8: TestIssue11

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
class TestIssue11(unittest.TestCase):
    debug = True

    def setUp(self):
        self.graph = ConjunctiveGraph(store="SQLite")
        fp, path = tempfile.mkstemp(suffix='.sqlite')
        self.graph.open(path, create=True)

    def testSPARQL_SQLite_lessthan_filter_a(self):
        self.graph.parse(data=testgraph1, format="n3", publicID=NS)
        rt = self.graph.query(good_testquery,
                initNs={'rdf': RDF, 'xsd': XSD}, DEBUG=True)
        # rt = self.graph.query(good_testquery, DEBUG=True)
        # assert str(list(rt)[0][0]) == "http://example.org/bar", list(rt)
        assert len(list(rt)) == 1, list(rt)

    def testSPARQL_SQLite_lessthan_filter_b(self):
        self.graph.parse(data=testgraph2, format="n3", publicID=NS)
        # Counter-example demo
        rt = self.graph.query(bad_testquery,
                initNs={'rdf': RDF, 'xsd': XSD}, DEBUG=True)
        # rt = self.graph.query(bad_testquery, DEBUG=True)
        assert len(list(rt)) == 3, list(rt)
开发者ID:RDFLib,项目名称:rdflib-sqlite,代码行数:25,代码来源:test_filter.py

示例9: ContextTestCase

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
class ContextTestCase(unittest.TestCase):
    #store = 'Memory'
    store = 'default'
    slow = True

    def setUp(self):
        self.graph = ConjunctiveGraph(store=self.store)
        if self.store == "MySQL":
            from mysql import configString
            from rdflib.store.MySQL import MySQL
            path=configString
            MySQL().destroy(path)
        else:
            path = a_tmp_dir = mkdtemp()
        self.graph.open(path, create=True)
        self.michel = URIRef(u'michel')
        self.tarek = URIRef(u'tarek')
        self.bob = URIRef(u'bob')
        self.likes = URIRef(u'likes')
        self.hates = URIRef(u'hates')
        self.pizza = URIRef(u'pizza')
        self.cheese = URIRef(u'cheese')

        self.c1 = URIRef(u'context-1')
        self.c2 = URIRef(u'context-2')

        # delete the graph for each test!
        self.graph.remove((None, None, None))

    def tearDown(self):
        self.graph.close()

    def get_context(self, identifier):
        assert isinstance(identifier, URIRef) or \
               isinstance(identifier, BNode), type(identifier)
        return Graph(store=self.graph.store, identifier=identifier,
                         namespace_manager=self)
    def addStuff(self):
        tarek = self.tarek
        michel = self.michel
        bob = self.bob
        likes = self.likes
        hates = self.hates
        pizza = self.pizza
        cheese = self.cheese
        c1 = self.c1
        graph = Graph(self.graph.store, c1)

        graph.add((tarek, likes, pizza))
        graph.add((tarek, likes, cheese))
        graph.add((michel, likes, pizza))
        graph.add((michel, likes, cheese))
        graph.add((bob, likes, cheese))
        graph.add((bob, hates, pizza))
        graph.add((bob, hates, michel)) # gasp!

    def removeStuff(self):
        tarek = self.tarek
        michel = self.michel
        bob = self.bob
        likes = self.likes
        hates = self.hates
        pizza = self.pizza
        cheese = self.cheese
        c1 = self.c1
        graph = Graph(self.graph.store, c1)

        graph.remove((tarek, likes, pizza))
        graph.remove((tarek, likes, cheese))
        graph.remove((michel, likes, pizza))
        graph.remove((michel, likes, cheese))
        graph.remove((bob, likes, cheese))
        graph.remove((bob, hates, pizza))
        graph.remove((bob, hates, michel)) # gasp!

    def addStuffInMultipleContexts(self):
        c1 = self.c1
        c2 = self.c2
        triple = (self.pizza, self.hates, self.tarek) # revenge!

        # add to default context
        self.graph.add(triple)
        # add to context 1
        graph = Graph(self.graph.store, c1)
        graph.add(triple)
        # add to context 2
        graph = Graph(self.graph.store, c2)
        graph.add(triple)

    def testConjunction(self):
        self.addStuffInMultipleContexts()
        triple = (self.pizza, self.likes, self.pizza)
        # add to context 1
        graph = Graph(self.graph.store, self.c1)
        graph.add(triple)
        self.assertEquals(len(self.graph), len(graph))

    def testAdd(self):
        self.addStuff()

#.........这里部分代码省略.........
开发者ID:alcides,项目名称:rdflib,代码行数:103,代码来源:test_context.py

示例10: open_graph

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
 def open_graph(self):
     graph = ConjunctiveGraph(store='hstore')
     graph.open(connection_uri, create=True)
     self.graphs.append(graph)
     return graph
开发者ID:rybesh,项目名称:rdflib-hstore,代码行数:7,代码来源:functional.py

示例11: rdf_all

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
def rdf_all(notation='xml'):
    """
    Funtion takes  title of node, and rdf notation.
    """
    valid_formats = ["xml", "n3", "ntriples", "trix"]
    default_graph_uri = "http://gstudio.gnowledge.org/rdfstore"
  
    configString = "/var/tmp/rdfstore"

    # Get the IOMemory plugin.
    store = plugin.get('IOMemory', Store)('rdfstore')
   


    # Open previously created store, or create it if it doesn't exist yet
    graph = Graph(store="IOMemory",
               identifier = URIRef(default_graph_uri))
    path = mkdtemp()
    rt = graph.open(path, create=False)
    if rt == NO_STORE:
    
        graph.open(path, create=True)
    else:
        assert rt == VALID_STORE, "The underlying store is corrupt"


    # Now we'll add some triples to the graph & commit the changes
    
    graph.bind("gstudio", "http://gnowledge.org/")
    exclusion_fields = ["id", "rght", "node_ptr_id", "image", "lft", "_state", "_altnames_cache", "_tags_cache", "nid_ptr_id", "_mptt_cached_fields"]

    for node in NID.objects.all():
    	    node_dict=node.ref.__dict__
    	    node_type = node.reftype
            try:       
            
           	 if (node_type=='Gbobject'):
    	    		node=Gbobject.objects.get(title=node)
    		
    	    	 elif (node_type=='None'):
    			node=Gbobject.objects.get(title=node)
    		 
            	 elif (node_type=='Processes'):
    			node=Gbobject.objects.get(title=node)
    			 
            	 elif (node_type=='System'):
    			node=Gbobject.objects.get(title=node)
    			rdflib=link(node)
			url_addr=link1(node)
                	a=fstore_dump(url_addr) 
            	 elif (node_type=='Objecttype'):
    			node=Objecttype.objects.get(title=node)
    			
    	    	 elif (node_type=='Attributetype'):
    			node=Attributetype.objects.get(title=node)
    	        	 
    	    	 elif (node_type=='Complement'):
    			node=Complement.objects.get(title=node)
    			
            	 elif (node_type=='Union'):
    	   		node=Union.objects.get(title=node)
    			 
            	 elif (node_type=='Intersection'):
    			node=Intersection.objects.get(title=node)
    	
            	 elif (node_type=='Expression'):
    			node=Expression.objects.get(title=node)
    		
            	 elif (node_type=='Processtype'):
    			node=Processtype.objects.get(title=node)
    		 
            	 elif (node_type=='Systemtype'):
    	 		node=Systemtype.objects.get(title=node)
    			
            	 elif (node_type=='AttributeSpecification'):
    			node=AttributeSpecification.objects.get(title=node)
    			
            	 elif (node_type=='RelationSpecification'):
    			node=RelationSpecification.objects.get(title=node)
    		 rdflib=link(node) 	 
                 url_addr=link1(node)
                 a=fstore_dump(url_addr) 
            	 if(node_type=='Attribute'):
    			node=Attribute.objects.get(title=node)
    			rdflib = Namespace('http://sbox.gnowledge.org/gstudio/')
              	
            	 elif(node_type=='Relationtype' ):
    			node=Relationtype.objects.get(title=node)
    			rdflib = Namespace('http://sbox.gnowledge.org/gstudio/')
                
    	    	 elif(node_type=='Metatype'):
    			node=Metatype.objects.get(title=node)
    			rdflib = Namespace('http://sbox.gnowledge.org/gstudio/')
                 url_addr='http://sbox.gnowledge.org/gstudio/'
                 a=fstore_dump(url_addr) 
            except:
            	if(node_type=='Attribute'):
                	rdflib= Namespace('http://sbox.gnowledge.org/gstudio/')
    
            	if(node_type=='Relationtype' ):
#.........这里部分代码省略.........
开发者ID:Big-Data,项目名称:gnowsys-studio,代码行数:103,代码来源:4store_rdf_import.py

示例12: Graph

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
import rdflib
from rdflib.graph import ConjunctiveGraph as Graph
#from rdflib.graph import Graph

configString = "/tmp/rdfstore12"

graph = Graph(store="KyotoCabinet")
print graph.store
path = configString
rt = graph.open(path, create=False)

print "Triples in graph: ", len(graph)
print "first 20 are as follows:"
i=20
for subj, pred, obj in graph:
    print(subj, pred, obj)
    i-=1
    if i==0:
	break


graph.close()
开发者ID:eugeneai,项目名称:aquarium,代码行数:24,代码来源:readRDF.py

示例13: Namespace

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
#!/usr/bin/env python

from rdflib.graph import ConjunctiveGraph
from rdflib.namespace import Namespace

dct = Namespace('http://purl.org/dc/terms/')

g = ConjunctiveGraph('Sleepycat')
g.open('store')

subjects = {}
for o in g.objects(predicate=dct['subject']):
    sub = o.split('/')[-1]
    subjects[sub] = subjects.get(sub, 0) + 1

sorted_keys = subjects.keys()
sorted_keys.sort(lambda a, b: cmp(subjects[b], subjects[a]))

for subject in sorted_keys:
    print subject, "\t", subjects[subject]
开发者ID:Web5design,项目名称:data-gov-uk-harvester,代码行数:22,代码来源:subjects.py

示例14: Graph

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
import rdflib
from rdflib.graph import ConjunctiveGraph as Graph
from rdflib import plugin
from rdflib.store import Store

configString = "/tmp/rdfstore"

store = plugin.get('KyotoCabinet', Store)('rdfstore')

graph = Graph(store="KyotoCabinet")
path = configString
rt = graph.open(path, create=True)

print "Triples in graph before add: ", len(graph)
graph.parse("http://130.88.198.11/co-ode-files/ontologies/pizza.owl", format="xml")
for subj, pred, obj in graph:
    if (subj, pred, obj) not in graph:
        raise Exception("It better be!")
    graph.add((subj, pred, obj))
graph.commit()

print "Triples in graph after add: ", len(graph)
graph.close()
开发者ID:paskalkris,项目名称:aquarium,代码行数:25,代码来源:writeRDF.py

示例15: ContextTest

# 需要导入模块: from rdflib.graph import ConjunctiveGraph [as 别名]
# 或者: from rdflib.graph.ConjunctiveGraph import open [as 别名]
class ContextTest(test.TestCase):
    """
    Testing different contexts.

    Heavily based on https://github.com/RDFLib/rdflib-postgresql/blob/master/test/context_case.py
    """
    store_name = "Django"
    storetest = True
    path = ""
    create = True

    michel = URIRef(u'michel')
    tarek = URIRef(u'tarek')
    bob = URIRef(u'bob')
    likes = URIRef(u'likes')
    hates = URIRef(u'hates')
    pizza = URIRef(u'pizza')
    cheese = URIRef(u'cheese')
    c1 = URIRef(u'context-1')
    c2 = URIRef(u'context-2')

    def setUp(self):
        self.graph = ConjunctiveGraph(store=self.store_name)
        self.graph.destroy(self.path)
        self.graph.open(self.path, create=self.create)

    def tearDown(self):
        self.graph.destroy(self.path)
        self.graph.close()

    def get_context(self, identifier):
        assert isinstance(identifier, URIRef) or isinstance(identifier, BNode), type(identifier)
        return Graph(store=self.graph.store, identifier=identifier, namespace_manager=self)

    def addStuff(self):
        tarek = self.tarek
        michel = self.michel
        bob = self.bob
        likes = self.likes
        hates = self.hates
        pizza = self.pizza
        cheese = self.cheese
        c1 = self.c1
        graph = Graph(self.graph.store, c1)

        graph.add((tarek, likes, pizza))
        graph.add((tarek, likes, cheese))
        graph.add((michel, likes, pizza))
        graph.add((michel, likes, cheese))
        graph.add((bob, likes, cheese))
        graph.add((bob, hates, pizza))
        graph.add((bob, hates, michel))

    def removeStuff(self):
        tarek = self.tarek
        michel = self.michel
        bob = self.bob
        likes = self.likes
        hates = self.hates
        pizza = self.pizza
        cheese = self.cheese
        c1 = self.c1
        graph = Graph(self.graph.store, c1)

        graph.remove((tarek, likes, pizza))
        graph.remove((tarek, likes, cheese))
        graph.remove((michel, likes, pizza))
        graph.remove((michel, likes, cheese))
        graph.remove((bob, likes, cheese))
        graph.remove((bob, hates, pizza))
        graph.remove((bob, hates, michel))

    def addStuffInMultipleContexts(self):
        c1 = self.c1
        c2 = self.c2
        triple = (self.pizza, self.hates, self.tarek)

        # add to default context
        self.graph.add(triple)
        # add to context 1
        graph = Graph(self.graph.store, c1)
        graph.add(triple)
        # add to context 2
        graph = Graph(self.graph.store, c2)
        graph.add(triple)

    def testConjunction(self):
        self.addStuffInMultipleContexts()
        triple = (self.pizza, self.likes, self.pizza)
        # add to context 1
        graph = Graph(self.graph.store, self.c1)
        graph.add(triple)

        self.assertEquals(len(graph), 2)
        self.assertEquals(len(self.graph), 2)

    def testAdd(self):
        self.addStuff()

    def testRemove(self):
#.........这里部分代码省略.........
开发者ID:DarioGT,项目名称:rdflib-django,代码行数:103,代码来源:test_rdflib.py


注:本文中的rdflib.graph.ConjunctiveGraph.open方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。