ruff exceptions: KeyError

mmgen/obj.py

@@ -154,7 +154,7 @@ class ListItemAttr(ImmutableAttr):
 		"return None if attribute doesn't exist"
 		try:
 			return instance.__dict__[self.name]
-		except:
+		except KeyError:
 			return None
 
 	def setattr_condition(self, instance):

mmgen/passwdlist.py

@@ -165,7 +165,7 @@ class PasswordList(AddrList):
 				pw_bytes = xmrseed().seedlen_map_rev[self.pw_len]
 				try:
 					good_pw_len = xmrseed().seedlen_map[seed.byte_len]
-				except:
+				except KeyError:
 					die(1, f'{seed.byte_len*8}: unsupported seed length for Monero new-style mnemonic')
 			case 'b32' | 'b58' as pf:
 				pw_int = (32 if pf == 'b32' else 58) ** self.pw_len

mmgen/proto/btc/rpc/local.py

@@ -392,13 +392,13 @@ class BitcoinRPCClient(RPCClient, metaclass=AsyncInit):
 			try:
 				if d['softforks']['segwit']['active'] is True:
 					return True
-			except:
+			except KeyError:
 				pass
 
 			try:
 				if d['bip9_softforks']['segwit']['status'] == 'active':
 					return True
-			except:
+			except KeyError:
 				pass
 
 			return self.cfg.test_suite and self.chain != 'regtest'

mmgen/rpc/local.py

@@ -172,10 +172,10 @@ class RPCClient:
 						t = json.loads(text)
 						try:
 							m = t['error']['message']
-						except:
+						except KeyError:
 							try:
 								m = t['error']
-							except:
+							except KeyError:
 								m = t
 					die('RPCFailure', m)
 		else:

test/altcointest.py

@@ -372,7 +372,7 @@ class TestCoinInfo(CoinInfo):
 
 		try:
 			bl = cls.external_tests_blacklist[addr_type][tool]
-		except:
+		except KeyError:
 			pass
 		else:
 			if bl is True or coin in bl: