Merge branch 'blob-list-uri-fix' of https://github.com/atiaxi/lbry into atiaxi-blob-list-uri-fix

CHANGELOG.md

@@ -22,6 +22,7 @@ at anytime.
   * Fixed handling decryption error for blobs encrypted with an invalid key
   * Fixed handling stream with no data blob (https://github.com/lbryio/lbry/issues/905)
   * Fixed fetching the external ip
+  * Fixed API call to blob_list with --uri parameter (https://github.com/lbryio/lbry/issues/895)
 
 ### Deprecated
   * `channel_list_mine`, replaced with `channel_list`

lbrynet/core/utils.py

@@ -134,7 +134,14 @@ def get_sd_hash(stream_info):
         return None
     if isinstance(stream_info, ClaimDict):
         return stream_info.source_hash
-    return stream_info['stream']['source']['source']
+    result = stream_info.get('claim', {}).\
+        get('value', {}).\
+        get('stream', {}).\
+        get('source', {}).\
+        get('source')
+    if not result:
+        log.warn("Unable to get sd_hash")
+    return result
 
 
 def json_dumps_pretty(obj, **kwargs):

lbrynet/daemon/Daemon.py

@@ -2881,7 +2881,10 @@ class Daemon(AuthJSONRPCServer):
         if uri:
             metadata = yield self._resolve_name(uri)
             sd_hash = utils.get_sd_hash(metadata)
-            blobs = yield self.get_blobs_for_sd_hash(sd_hash)
+            try:
+                blobs = yield self.get_blobs_for_sd_hash(sd_hash)
+            except NoSuchSDHash:
+                blobs = []
         elif stream_hash:
             try:
                 blobs = yield self.get_blobs_for_stream_hash(stream_hash)

lbrynet/tests/unit/core/test_utils.py

@@ -31,3 +31,33 @@ class ObfuscationTest(unittest.TestCase):
         plain = '☃'
         obf = utils.obfuscate(plain)
         self.assertEqual(plain, utils.deobfuscate(obf))
+
+
+class SdHashTests(unittest.TestCase):
+
+    def test_none_in_none_out(self):
+        self.assertIsNone(utils.get_sd_hash(None))
+
+    def test_ordinary_dict(self):
+        claim = {
+            "claim": {
+                "value": {
+                    "stream": {
+                        "source": {
+                            "source": "0123456789ABCDEF"
+                        }
+                    }
+                }
+            }
+        }
+        self.assertEqual("0123456789ABCDEF", utils.get_sd_hash(claim))
+
+    def test_old_shape_fails(self):
+        claim = {
+            "stream": {
+                "source": {
+                    "source": "0123456789ABCDEF"
+                }
+            }
+        }
+        self.assertIsNone(utils.get_sd_hash(claim))