remove loop argument and other changes

lbry/dht/blob_announcer.py

@@ -42,8 +42,6 @@ class BlobAnnouncer:
                     log.debug("failed to announce %s, could only find %d peers, retrying soon.", blob_hash[:8], peers)
             except Exception as err:
                 self.announcements_sent_metric.labels(peers=0, error=True).inc()
-                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                    raise err
                 log.warning("error announcing %s: %s", blob_hash[:8], str(err))
 
     async def _announce(self, batch_size: typing.Optional[int] = 10):

lbry/extras/daemon/components.py

@@ -560,8 +560,6 @@ class UPnPComponent(Component):
                 self.upnp = await UPnP.discover(loop=self.component_manager.loop)
                 log.info("found upnp gateway: %s", self.upnp.gateway.manufacturer_string)
             except Exception as err:
-                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                    raise
                 log.warning("upnp discovery failed: %s", err)
                 self.upnp = None
 

lbry/file/file_manager.py

@@ -98,8 +98,6 @@ class FileManager:
             except asyncio.TimeoutError:
                 raise ResolveTimeoutError(uri)
             except Exception as err:
-                if isinstance(err, asyncio.CancelledError):
-                    raise
                 log.exception("Unexpected error resolving stream:")
                 raise ResolveError(f"Unexpected error resolving stream: {str(err)}")
             if 'error' in resolved_result:
@@ -245,7 +243,7 @@ class FileManager:
         except asyncio.TimeoutError:
             error = DownloadDataTimeoutError(stream.sd_hash)
             raise error
-        except Exception as err:  # forgive data timeout, don't delete stream
+        except (Exception, asyncio.CancelledError) as err:  # forgive data timeout, don't delete stream
             expected = (DownloadSDTimeoutError, DownloadDataTimeoutError, InsufficientFundsError,
                         KeyFeeAboveMaxAllowedError, ResolveError, InvalidStreamURLError)
             if isinstance(err, expected):

lbry/stream/managed_stream.py

@@ -366,7 +366,7 @@ class ManagedStream(ManagedDownloadSource):
             return sent
         except ConnectionError:
             return sent
-        except (OSError, Exception) as err:
+        except (OSError, Exception, asyncio.CancelledError) as err:
             if isinstance(err, asyncio.CancelledError):
                 log.warning("stopped uploading %s#%s to reflector", self.claim_name, self.claim_id)
             elif isinstance(err, OSError):

lbry/torrent/session.py

@@ -22,9 +22,9 @@ class TorrentHandle:
         self._loop = loop
         self._executor = executor
         self._handle: libtorrent.torrent_handle = handle
-        self.started = asyncio.Event(loop=loop)
-        self.finished = asyncio.Event(loop=loop)
-        self.metadata_completed = asyncio.Event(loop=loop)
+        self.started = asyncio.Event()
+        self.finished = asyncio.Event()
+        self.metadata_completed = asyncio.Event()
         self.size = 0
         self.total_wanted_done = 0
         self.name = ''

lbry/wallet/ledger.py

@@ -939,8 +939,6 @@ class Ledger(metaclass=LedgerRegistry):
                              account.id, balance, total_receiving, account.receiving.gap, total_change,
                              account.change.gap, channel_count, len(account.channel_keys), claim_count)
         except Exception as err:
-            if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                raise
             log.exception(
                 'Failed to display wallet state, please file issue '
                 'for this bug along with the traceback you see below:')
@@ -964,8 +962,6 @@ class Ledger(metaclass=LedgerRegistry):
             try:
                 resolved, _, _, _ = await self.claim_search([], claim_ids=claim_ids)
             except Exception as err:
-                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                    raise
                 log.exception("Resolve failed while looking up purchased claim ids:")
                 resolved = []
             lookup = {claim.claim_id: claim for claim in resolved}
@@ -1046,8 +1042,6 @@ class Ledger(metaclass=LedgerRegistry):
         try:
             resolve_results, _, _, _ = await self.claim_search([], claim_ids=claim_ids)
         except Exception as err:
-            if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                raise
             log.exception("Resolve failed while looking up collection claim ids:")
             return []
         claims = []

lbry/wallet/network.py

@@ -117,7 +117,7 @@ class ClientSession(BaseClientSession):
                     )
                 else:
                     await asyncio.sleep(max(0, max_idle - (now - self.last_send)))
-        except Exception as err:
+        except (Exception, asyncio.CancelledError) as err:
             if isinstance(err, asyncio.CancelledError):
                 log.info("closing connection to %s:%i", *self.server)
             else:

setup.py

@@ -18,7 +18,7 @@ setup(
     long_description_content_type="text/markdown",
     keywords="lbry protocol media",
     license='MIT',
-    python_requires='>=3.7',
+    python_requires='==3.9.*',
     packages=find_packages(exclude=('tests',)),
     zip_safe=False,
     entry_points={

tests/unit/stream/test_stream_manager.py

@@ -340,8 +340,6 @@ class TestStreamManager(BlobExchangeTestBase):
         try:
             await self.file_manager.download_from_uri(self.uri, self.exchange_rate_manager, timeout)
         except Exception as err:
-            if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                raise
             error = err
         self.assertEqual(expected_error, type(error))