Thread: [Mypyspace-developer] SF.net SVN: mypyspace:[322] graphRDF/branches/old2sparul/old2sparul.py

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Revision: 322
          http://mypyspace.svn.sourceforge.net/mypyspace/?rev=322&view=rev
Author:   kurtjx
Date:     2009-02-03 20:55:00 +0000 (Tue, 03 Feb 2009)

Log Message:
-----------
lil python script for importing old myrdfspace data into 3 store, need to add a function to break long queries in two

Added Paths:
-----------
    graphRDF/branches/old2sparul/old2sparul.py

Added: graphRDF/branches/old2sparul/old2sparul.py
===================================================================

--- graphRDF/branches/old2sparul/old2sparul.py	                        (rev 0)
+++ graphRDF/branches/old2sparul/old2sparul.py	2009-02-03 20:55:00 UTC (rev 322)
@@ -0,0 +1,216 @@
+#!/usr/bin/env python
+# encoding: utf-8
+"""
+old2sparul.py
+
+Created by Kurtis Random on 2009-02-03.
+Copyright (c) 2009 __MyCompanyName__. All rights reserved.
+"""
+
+import sys
+import getopt
+from logging import log, error, warning, info, debug
+import logging
+import ftplib
+#from SPARQLWrapper import SPARQLWrapper
+import SPARQLWrapper
+import mopy
+import urllib2
+from time import sleep
+
+help_message = '''
+take old myrdfspace files and add to the sparql endpoint...
+	-b --base <uri base from myrdfspace>
+'''
+failedList = []
+badQueryList = []
+
+defaultGraph = "http://dbtune.org/myspace-test"
+sparqlEndPoint = "http://dbtune.org/cmn/sparql"
+myspaceBase = "http://dbtune.org/myspace/uid"
+myspaceOnt = "http://purl.org/ontology/myspace"
+prefixes = """PREFIX owl: <http://www.w3.org/2002/07/owl#> \nPREFIX foaf: <http://xmlns.com/foaf/0.1/> \nPREFIX dc: <http://purl.org/dc/elements/1.1/> \nPREFIX mo: <http://purl.org/ontology/mo/>\nPREFIX myspace: <http://purl.org/ontology/myspace#>\nPREFIX xsd: <http://www.w3.org/2001/XMLSchema#>"""
+
+class Usage(Exception):
+	def __init__(self, msg):
+		self.msg = msg
+
+def parseRDF(filename, base):
+	'''parse the rdf and return a sparql update query'''
+	sparqlU = prefixes+""" \ninsert into graph <"""+defaultGraph+"""> {"""
+	mi = mopy.importRDFFile(base+filename)
+	keys = mi.PersonIdx.keys()
+	for key in keys:
+		person = mi.PersonIdx[key]
+		if person.name:
+			# if we find the name, this is the main subject
+			suid = person.URI.split(base)[1]
+			subject = "<"+myspaceBase+"/"+suid+">"
+			name = person.name.pop()
+			sparqlU = sparqlU + """\n"""+subject+' foaf:name "' + urllib2.quote(name)+'"@en . '
+			
+			# get all the top friends
+			while(1):
+				try:
+					p = person.knows.pop()
+					ouid = p.URI.split(base)[1]
+					obj = "<"+myspaceBase+"/"+ouid+">"	
+					sparqlU=sparqlU+ "\n"+subject+" foaf:knows "+ obj+ ' . ' "\n"+subject+" myspace:topFriend "+obj+ ' . '
+				except:
+					break
+					
+			while(1):
+				try:
+					thm = person.theme.pop()
+					genre = "<"+myspaceOnt + "#"+urllib2.quote(thm.URI.split(base)[1])+">"
+					sparqlU=sparqlU+ "\n"+subject+ " myspace:genreTag "+ genre+ ' . '
+				except:
+					break
+					
+			try:
+				playcount = person.tipjar.pop().URI.split(base)[1]
+				sparqlU=sparqlU+ "\n"+subject+ ' myspace:totalPlays "'+ playcount+'"^^xsd:int . '
+			except:
+				pass
+				
+	sparqlU=sparqlU+'}'				
+	return sparqlU	
+
+def setLogger():
+    '''just set the logger'''
+    loggingConfig = {"format":'%(asctime)s %(levelname)-8s %(message)s',
+                               "datefmt":'%d.%m.%y %H:%M:%S',
+                                "level": logging.DEBUG,
+                                #"filename":logPath + "musicGrabber.log",
+                                "filemode":"w"}
+    logging.basicConfig(**loggingConfig)
+
+def getFileListing(rdfFolder):
+	'''return a list of all the rdf files found w/ given base'''
+	rdfFolder = rdfFolder.rstrip('/')
+	rdfFolder = rdfFolder+'/'
+	ftp = ftplib.FTP("myrdfspace.com")
+	ftp.login("myrdf", "my1stRDF")
+	ftp.cwd("myrdfspace.com/"+rdfFolder)
+	vList = ftp.nlst()
+	return vList
+
+def trySparql(sparql, attempt, f):
+	try:
+		debug('attempting sparql update, try #' + str(attempt))
+		sparql.setReturnFormat(SPARQLWrapper.TURTLE)
+		ret = sparql.query()
+		print ret.convert()
+	except urllib2.HTTPError:
+		debug('caught an http error, retrying...')
+		if attempt<5:
+			attempt+=1
+			sleep(2)
+			trySparql(sparql, attempt, f)
+		else:
+			error("more that 5 http errors, giving up")
+			failedList.append(f)
+	except SPARQLWrapper.sparqlexceptions.QueryBadFormed:
+		error("query failed for "+ str(f))
+		debug('$$$$$$$$$$$$$$$$BADLY FORMED QUERY$$$$$$$$$$$$$$$$$$$')
+		badQueryList.append(f)
+		failedList.append(f)
+	except:
+		error("query failed for "+ str(f))
+		debug('************UPDATE FAILED***********')
+		failedList.append(f)
+		error("Unexpected error:", sys.exc_info()[0])
+		
+def splitQuery(query):
+	'''sometime the query is too long and should be broke in two pieces'''
+	pass
+
+def main(argv=None):
+	if argv is None:
+		argv = sys.argv
+	try:
+		try:
+			opts, args = getopt.getopt(argv[1:], "ho:b:v", ["help", "output=","base="])
+		except getopt.error, msg:
+			raise Usage(msg)
+	
+		# option processing
+		base = None
+		for option, value in opts:
+			if option == "-v":
+				verbose = True
+			if option in ("-h", "--help"):
+				raise Usage(help_message)
+			if option in ("-o", "--output"):
+				output = value
+			if option in ("-b", "--base"):
+				base = value
+		
+		setLogger()
+		if base == None:
+			raise Usage(help_message)
+			return 2
+		# parse base uri
+		folder = base.split("http://myrdfspace.com/")[1]
+		debug('getting list of files')
+		#fileList = getFileListing(folder)
+		debug('got list of files')
+		fileList = ['238729309.rdf', '13280592.rdf', '26412401.rdf', '8557307.rdf', '176635064.rdf', '12656647.rdf']
+		for f in fileList:
+			debug('parsing on file: '+str(f))
+			#parse each file and do a sparql update to the repository
+			sparul = parseRDF(f, base)
+			sparql = SPARQLWrapper.SPARQLWrapper(sparqlEndPoint)
+			sparql.addDefaultGraph(defaultGraph)
+			sparql.setQuery(sparul)
+			trySparql(sparql, 0, f)
+			'''try:
+				debug('attempting sparql update')
+				sparql.setReturnFormat(SPARQLWrapper.TURTLE)
+				ret = sparql.query()
+				print ret.convert()
+			except urllib2.HTTPError:
+				debug('caught an http error, retrying...')
+				try:
+					ret = sparql.query()
+					print ret.convert()
+				except urllib2.HTTPError:
+					debug('second http error...')
+					try:
+						ret = sparql.query()
+						print ret.convert()
+					except:
+						print "query failed for "+ str(f)
+						debug('************UPDATE FAILED***********')
+						failedList.append(f)
+						print "FINAL error:", sys.exc_info()[0]
+				except:
+					print "query failed for "+ str(f)
+					debug('************UPDATE FAILED***********')
+					failedList.append(f)
+					print "Unexpected error:", sys.exc_info()[0]
+			except SPARQLWrapper.sparqlexceptions.QueryBadFormed:
+				debug('$$$$$$$$$$$$$$$$BADLY FORMED QUERY$$$$$$$$$$$$$$$$$$$')
+				badQueryList.append(f)
+			except:
+				print "query failed for "+ str(f)
+				debug('************UPDATE FAILED***********')
+				failedList.append(f)
+				print "Unexpected error:", sys.exc_info()[0]'''
+				
+		
+		debug("Complete!!!")
+		print "\n\nREPORT:\n\tfailures: "+str(len(failedList))
+		print "\nfails: "
+		print failedList 
+		print "\n\nbad queries: "
+		print badQueryList
+		
+	except Usage, err:
+		print >> sys.stderr, sys.argv[0].split("/")[-1] + ": " + str(err.msg)
+		print >> sys.stderr, "\t for help use --help"
+		return 2
+
+
+if __name__ == "__main__":
+	sys.exit(main())


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Thread: [Mypyspace-developer] SF.net SVN: mypyspace:[322] graphRDF/branches/old2sparul/old2sparul.py

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