class LinkParseJob(object):
def __init__(self, spec, verbose=False, **kwargs):
self.spec = spec
self.docset = Docset(self.spec.docset_name)
self.disco = Disco("disco://localhost")
self.verbose = verbose
def start(self):
from disco import func
job = self.disco.new_job(
name="linkparse",
input=self.docset.dump_uris(),
map_reader=docparse,
map=linkparse_map,
map_output_stream=(func.map_output_stream,
func.disco_output_stream,
LinkFileOutputStream.disco_output_stream),
partitions=0,
save=True,
)
results = job.wait()
self.__tag_results(results)
if self.verbose:
self.__print_results(results)
def __tag_results(self, results):
from disco.ddfs import DDFS
ddfs = DDFS()
results_tag = results[0]
ddfs.put(self.docset.ddfs_link_file_tag, list(ddfs.blobs(results_tag)))
# remove old, temporary tag
ddfs.delete(results_tag)
def __print_results(self, results):
for doc in result_iterator(results, tempdir=False, reader=doclinksparse):
print "%s\n\t%s" % (doc.uri, "\n\t".join(doc.link_uris))
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)
