class FreequeryClient(object):
def __init__(self, spec):
if isinstance(spec, Spec):
self.spec = spec
else:
self.spec = Spec(spec)
self.discodex_client = DiscodexClient()
self.docset = Docset(self.spec.docset_name)
def query(self, q, ranked=True):
"""Return a ranked list of matching `Document` instances."""
qq = Query.parse(q)
res = self.discodex_client.query(self.spec.invindex_name, qq)
res = map(TfIdf.undemux, res)
if not res:
return []
pageranks = None
if ranked:
scoredb = ScoreDB(self.spec.scoredb_path)
uris = [e[0] for e in res]
pageranks = dict(scoredb.rank(uris))
if not pageranks:
raise Exception("no ranks available")
docs = []
for uri,scores in res:
doc = self.docset.get(uri)
doc.score = Score(**scores)
if pageranks:
doc.score['pagerank'] = pageranks[uri]
doc.excerpt = doc.excerpt(qq)
docs.append(doc)
return docs
def index(self, **kwargs):
if not self.docset.exists():
print "fq: cannot index `%s': no such docset" % self.spec.docset_name
exit(1)
job = IndexJob(self.spec, self.discodex_client, **kwargs)
job.start()
def linkparse(self, **kwargs):
job = LinkParseJob(self.spec, **kwargs)
job.start()
def rank(self, **kwargs):
job = PagerankJob(self.spec, **kwargs)
job.start()
class TestDocset(unittest.TestCase):
def setUp(self):
global WROTE_DUMP
if not WROTE_DUMP:
self.__write_dumps()
WROTE_DUMP = True
self.docset = Docset(DOCSET_NAME)
def tearDown(self):
self.docset.delete()
def test_delete(self):
self.docset.add_dump("d1", dump1)
self.docset.delete()
# If this test is failing, then we might need to wait for DDFS garbage
# collection here, but it seems to work fine for now.
self.assertFalse("d1" in self.docset.dump_names())
def test_add_dump(self):
self.docset.add_dump("d1", dump1)
# check that it's in list of dumps
self.assertTrue("d1" in self.docset.dump_names())
# check accessible over http
from disco.util import urlresolve
import urllib2
uri = list(self.docset.dump_uris())[0]
httpuri = urlresolve(uri)
d = urllib2.urlopen(httpuri).read()
self.assertEquals(d, fixtures.warc_file1)
def test_exists(self):
self.assertFalse(self.docset.exists())
self.docset.add_dump("d1", dump1)
self.assertTrue(self.docset.exists())
def test_doc_count(self):
self.assertEquals(0, self.docset.doc_count)
self.docset.add_dump("d1", dump1)
self.assertEquals(2, self.docset.doc_count)
self.docset.add_dump("d2", dump2)
self.assertEquals(4, self.docset.doc_count)
def test_persists_doc_count(self):
self.docset.add_dump("d1", dump1)
self.docset.save()
self.assertEquals(2, Docset(DOCSET_NAME).doc_count)
self.docset.add_dump("d2", dump2)
self.docset.save()
# import time
# time.sleep(2.0)
docsetp = Docset(DOCSET_NAME)
self.assertEquals(4, docsetp.doc_count)
def test_persists_doc_count_on_non_new_load(self):
self.docset.add_dump("d1", dump1)
self.docset.save()
docsetp = Docset(DOCSET_NAME)
docsetp.add_dump("d2", dump2)
docsetp.save()
self.assertEquals(4, Docset(DOCSET_NAME).doc_count)
def test_get_pos(self):
self.docset.add_dump("d1", dump1)
self.docset.add_dump("d2", dump2)
pos1 = self.docset.get_pos("http://example.com")
self.assertEquals(("d1", 0, 117), pos1)
pos2 = self.docset.get_pos("http://apple.com")
self.assertEquals(("d1", 117, 113), pos2)
pos3 = self.docset.get_pos("http://example.com/m.html")
self.assertEquals(("d2", 0, 115), pos3)
pos4 = self.docset.get_pos("http://example.com/z.html")
self.assertEquals(("d2", 115, 115), pos4)
def test_persists_get_pos(self):
self.docset.add_dump("d1", dump1)
self.docset.add_dump("d2", dump2)
self.docset.save()
docsetp = Docset(DOCSET_NAME)
pos1 = docsetp.get_pos("http://example.com")
self.assertEquals(("d1", 0, 117), pos1)
pos2 = docsetp.get_pos("http://apple.com")
self.assertEquals(("d1", 117, 113), pos2)
pos3 = self.docset.get_pos("http://example.com/m.html")
self.assertEquals(("d2", 0, 115), pos3)
pos4 = self.docset.get_pos("http://example.com/z.html")
self.assertEquals(("d2", 115, 115), pos4)
def test_get(self):
self.docset.add_dump("d1", dump1)
self.docset.add_dump("d2", dump2)
self.assertEquals(fixtures.example, self.docset.get("http://example.com"))
self.assertEquals(fixtures.apple, self.docset.get("http://apple.com"))
self.assertEquals(fixtures.examplez, self.docset.get("http://example.com/z.html"))
def test_get_bad_uri_raises(self):
from freequery.document.docset import DocumentNotFound
self.docset.add_dump("d1", dump1)
self.assertRaises(DocumentNotFound, lambda: self.docset.get_pos("http://baduri.example.com"))
def __write_dumps(self):
with open(dump1, "w+b") as f:
f.write(fixtures.warc_file1)
with open(dump2, "w+b") as f:
f.write(fixtures.warc_file2)
