dump_all_rdf.py generates the rdf for all objects in one file and 4store_rdf_import.pytransfers all the rdf into 4store

1 files changed, 199 insertions, 0 deletions

diff --git a/gstudio/4store_rdf_import.py b/gstudio/4store_rdf_import.py
new file mode 100644
index 0000000..5541895
--- /dev/null
+++ b/gstudio/4store_rdf_import.py
@@ -0,0 +1,199 @@
+
+import rdflib
+from rdflib.graph import ConjunctiveGraph as Graph
+from rdflib import plugin
+from rdflib.store import Store, NO_STORE, VALID_STORE
+from rdflib.namespace import Namespace
+from rdflib.term import Literal
+from rdflib.term import URIRef
+from tempfile import mkdtemp
+from gstudio.models import *
+from objectapp.models import *
+import settings
+import os.path
+from django.core.management.base import NoArgsCommand
+from django.core.management.base import BaseCommand
+from pprint import pprint
+
+import subprocess
+from HTTP4Store import HTTP4Store
+
+
+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' ):
+                	rdflib= Namespace('http://sbox.gnowledge.org/gstudio/')
+                    
+            	if(node_type=='Metatype'):
+                	rdflib= Namespace('http://sbox.gnowledge.org/gstudio/')
+            	
+           
+    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)))                        
+        
+    rdf_code=graph.serialize(format=notation)
+               #path to store the rdf in a file
+    
+    #x = os.path.join(os.path.dirname(__file__), 'rdffiles.rdf')
+    
+    graph.commit()
+    graph.close()
+    
+
+
+#provides the url address of particular node.
+def link(node):
+	node_url=node.get_absolute_url()
+    	site_addr= node.sites.all() 
+    	a=site_addr[0]
+    	host_name=a.name
+   
+    	link='http://'
+    	#Concatenating the above variables will give the url address.
+
+    	url_addr=link+host_name+node_url
+    	rdflib=Namespace(url_addr) 
+        return rdflib
+
+def link1(node):
+	node_url=node.get_absolute_url()
+    	site_addr= node.sites.all() 
+    	a=site_addr[0]
+    	host_name=a.name
+   
+    	link='http://'
+    	#Concatenating the above variables will give the url address.
+
+    	url_addr=link+host_name+node_url
+    	
+        return url_addr
+  
+def fstore_dump(url_addr):
+	
+	store = HTTP4Store('http://localhost:8067')
+	status = store.status()
+	response = store.add_from_uri('http://example.com/nodetypes/2012/05/25/mouse/')
+        return response
+
+    	
+	
+    	
+	
+	
+	
+       
+
+
+
+class Command(BaseCommand):
+	def handle(self,*args,**options):		
+                # verify the type of the node and pass the node to display the rdf accordingly.		
+	
+    		rdf_all(*args)
+
+
+
+
+
+