コード例 #1
0
    def test_can_create_file(self):
        expected_stream_hash = "41e6b247d923d191b154fb6f1b8529d6ddd6a73d65c35" \
                               "7b1acb742dd83151fb66393a7709e9f346260a4f4db6de10c25"
        expected_sd_hash = "db043b44384c149126685990f6bb6563aa565ae331303d522" \
                           "c8728fe0534dd06fbcacae92b0891787ad9b68ffc8d20c1"
        filename = 'test.file'
        lbry_file = yield self.create_file(filename)
        sd_hash = yield self.storage.get_sd_blob_hash_for_stream(
            lbry_file.stream_hash)

        # read the sd blob file
        sd_blob = self.blob_manager.blobs[sd_hash]
        sd_reader = BlobStreamDescriptorReader(sd_blob)
        sd_file_info = yield sd_reader.get_info()

        # this comes from the database, the blobs returned are sorted
        sd_info = yield get_sd_info(self.storage,
                                    lbry_file.stream_hash,
                                    include_blobs=True)
        self.assertDictEqual(sd_info, sd_file_info)
        self.assertListEqual(sd_info['blobs'], sd_file_info['blobs'])
        self.assertEqual(sd_info['stream_hash'], expected_stream_hash)
        self.assertEqual(len(sd_info['blobs']), 3)
        self.assertNotEqual(sd_info['blobs'][0]['length'], 0)
        self.assertNotEqual(sd_info['blobs'][1]['length'], 0)
        self.assertEqual(sd_info['blobs'][2]['length'], 0)
        self.assertEqual(expected_stream_hash, lbry_file.stream_hash)
        self.assertEqual(sd_hash, lbry_file.sd_hash)
        self.assertEqual(sd_hash, expected_sd_hash)
        blobs = yield self.blob_manager.get_all_verified_blobs()
        self.assertEqual(3, len(blobs))
        num_should_announce_blobs = yield self.blob_manager.count_should_announce_blobs(
        )
        self.assertEqual(2, num_should_announce_blobs)
コード例 #2
0
def download_it(peer, timeout, blob_hash):
    tmp_dir = yield threads.deferToThread(tempfile.mkdtemp)
    storage = SQLiteStorage(tmp_dir, reactor)
    yield storage.setup()
    tmp_blob_manager = DiskBlobManager(tmp_dir, storage)

    config = {'auto_connect': True}
    if conf.settings['lbryum_wallet_dir']:
        config['lbryum_wallet_dir'] = conf.settings['lbryum_wallet_dir']
        config['use_keyring'] = False
        config['blockchain_name'] = conf.settings['blockchain_name']
        config['lbryum_servers'] = []
    wallet = LbryWalletManager.from_lbrynet_config(config, storage)

    downloader = SinglePeerDownloader()
    downloader.setup(wallet)

    try:
        blob_downloaded = yield downloader.download_blob_from_peer(
            peer, timeout, blob_hash, tmp_blob_manager)
        if blob_downloaded:
            log.info("SUCCESS!")
            blob = yield tmp_blob_manager.get_blob(blob_hash)
            pprint(blob)
            if not blob.verified:
                log.error("except that its not verified....")
            else:
                reader = BlobStreamDescriptorReader(blob)
                info = None
                for x in range(0, 3):
                    try:
                        info = yield reader.get_info()
                    except ValueError:
                        pass
                    if info:
                        break

                    # there's some kind of race condition where it sometimes doesnt write the blob to disk in time
                    time.sleep(0.1)

                if info is not None:
                    pprint(info)
                    for content_blob in info['blobs']:
                        if 'blob_hash' in content_blob:
                            yield download_it(peer, timeout,
                                              content_blob['blob_hash'])
        else:
            log.error("Download failed")
    finally:
        yield tmp_blob_manager.stop()
        yield threads.deferToThread(shutil.rmtree, tmp_dir)

    defer.returnValue(True)
コード例 #3
0
def download_it(peer, timeout, blob_hash):
    tmp_dir = yield threads.deferToThread(tempfile.mkdtemp)
    announcer = DummyHashAnnouncer()
    tmp_blob_manager = DiskBlobManager(announcer, tmp_dir, tmp_dir)

    config = {'auto_connect': True}
    if conf.settings['lbryum_wallet_dir']:
        config['lbryum_path'] = conf.settings['lbryum_wallet_dir']
    storage = Wallet.InMemoryStorage()
    wallet = Wallet.LBRYumWallet(storage, config)

    downloader = SinglePeerDownloader()
    downloader.setup(wallet)

    try:
        blob_downloaded = yield downloader.download_blob_from_peer(
            peer, timeout, blob_hash, tmp_blob_manager)
        if blob_downloaded:
            log.info("SUCCESS!")
            blob = yield tmp_blob_manager.get_blob(blob_hash)
            pprint(blob)
            if not blob.verified:
                log.error("except that its not verified....")
            else:
                reader = BlobStreamDescriptorReader(blob)
                info = None
                for x in range(0, 3):
                    try:
                        info = yield reader.get_info()
                    except ValueError:
                        pass
                    if info:
                        break
                    time.sleep(
                        0.1
                    )  # there's some kind of race condition where it sometimes doesnt write the blob to disk in time

                if info is not None:
                    pprint(info)
                    for content_blob in info['blobs']:
                        if 'blob_hash' in content_blob:
                            yield download_it(peer, timeout,
                                              content_blob['blob_hash'])
        else:
            log.error("Download failed")
    finally:
        yield tmp_blob_manager.stop()
        yield threads.deferToThread(shutil.rmtree, tmp_dir)

    defer.returnValue(True)
コード例 #4
0
    def test_can_create_file(self):
        expected_stream_hash = "41e6b247d923d191b154fb6f1b8529d6ddd6a73d65c35" \
                               "7b1acb742dd83151fb66393a7709e9f346260a4f4db6de10c25"
        expected_sd_hash = "40c485432daec586c1a2d247e6c08d137640a5af6e81f3f652" \
                           "3e62e81a2e8945b0db7c94f1852e70e371d917b994352c"
        filename = 'test.file'
        lbry_file = yield self.create_file(filename)
        sd_hash = yield self.storage.get_sd_blob_hash_for_stream(
            lbry_file.stream_hash)

        # read the sd blob file
        sd_blob = self.blob_manager.blobs[sd_hash]
        sd_reader = BlobStreamDescriptorReader(sd_blob)
        sd_file_info = yield sd_reader.get_info()

        # this comes from the database, the blobs returned are sorted
        sd_info = yield get_sd_info(self.storage,
                                    lbry_file.stream_hash,
                                    include_blobs=True)
        self.maxDiff = None
        unicode_sd_info = json.loads(
            json.dumps(sd_info, sort_keys=True, cls=JSONBytesEncoder))
        self.assertDictEqual(unicode_sd_info, sd_file_info)
        self.assertEqual(sd_info['stream_hash'], expected_stream_hash)
        self.assertEqual(len(sd_info['blobs']), 3)
        self.assertNotEqual(sd_info['blobs'][0]['length'], 0)
        self.assertNotEqual(sd_info['blobs'][1]['length'], 0)
        self.assertEqual(sd_info['blobs'][2]['length'], 0)
        self.assertEqual(expected_stream_hash, lbry_file.stream_hash)
        self.assertEqual(sd_hash, lbry_file.sd_hash)
        self.assertEqual(sd_hash, expected_sd_hash)
        blobs = yield self.blob_manager.get_all_verified_blobs()
        self.assertEqual(3, len(blobs))
        num_should_announce_blobs = yield self.blob_manager.count_should_announce_blobs(
        )
        self.assertEqual(2, num_should_announce_blobs)