From 1a3f11ba51289ac7c44e2eafb0daf0eed26edf3a Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Mon, 26 Oct 2026 13:36:48 +0000
Subject: [PATCH] ruff exceptions: various

---
 mmgen/fileutil.py                | 4 ++--
 mmgen/msg.py                     | 2 +-
 mmgen/term.py                    | 4 ++--
 mmgen/tx/new_swap.py             | 4 ++--
 test/cmdtest_d/base.py           | 2 +-
 test/cmdtest_d/include/common.py | 2 +-
 6 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/mmgen/fileutil.py b/mmgen/fileutil.py
index 0d50a69d..d3208630 100644
--- a/mmgen/fileutil.py
+++ b/mmgen/fileutil.py
@@ -287,8 +287,8 @@ def get_words_from_file(cfg, infile, *, desc, quiet=False):
 
 	try:
 		words = data.decode().split()
-	except:
-		die(1, f'{capfirst(desc)} data must be UTF-8 encoded.')
+	except UnicodeError as e:
+		die(1, f'{capfirst(desc)} data must be UTF-8 encoded ({e})')
 
 	cfg._util.dmsg('Sanitized input: [{}]'.format(' '.join(words)))
 
diff --git a/mmgen/msg.py b/mmgen/msg.py
index 0b352ac1..3261fbb6 100644
--- a/mmgen/msg.py
+++ b/mmgen/msg.py
@@ -362,7 +362,7 @@ def _get_obj(clsname, cfg, *args, coin=None, network='mainnet', infile=None, dat
 	try:
 		msg_cls = importlib.import_module(
 			f'mmgen.proto.{proto.base_proto_coin.lower()}.msg').coin_msg
-	except:
+	except ImportError:
 		die(1, f'Message signing operations not supported for {proto.base_proto} protocol')
 
 	me = MMGenObject.__new__(getattr(msg_cls, clsname, getattr(coin_msg, clsname)))
diff --git a/mmgen/term.py b/mmgen/term.py
index 77296806..5ba81a49 100644
--- a/mmgen/term.py
+++ b/mmgen/term.py
@@ -34,8 +34,8 @@ match gc.platform:
 	case 'win32':
 		try:
 			import msvcrt # pylint: disable=import-error
-		except:
-			die(2, 'Unable to set terminal mode')
+		except ImportError as e:
+			die(2, f'Unable to set terminal mode ({e})')
 		if not sys.stdin.isatty():
 			msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
 	case x:
diff --git a/mmgen/tx/new_swap.py b/mmgen/tx/new_swap.py
index 9fdf1fba..a78837ab 100644
--- a/mmgen/tx/new_swap.py
+++ b/mmgen/tx/new_swap.py
@@ -25,7 +25,7 @@ from .new import New
 def get_send_proto(cfg):
 	try:
 		arg = cfg._args.pop(0)
-	except:
+	except IndexError:
 		cfg._usage()
 	return init_swap_proto(cfg, get_swap_asset(cfg, arg, direction='send'))
 
@@ -93,7 +93,7 @@ class NewSwap(BaseSwapMethods, New):
 		def get_arg():
 			try:
 				return args_in.pop(0)
-			except:
+			except IndexError:
 				self.cfg._usage()
 
 		async def parse():
diff --git a/test/cmdtest_d/base.py b/test/cmdtest_d/base.py
index bd79f79a..d760c90b 100644
--- a/test/cmdtest_d/base.py
+++ b/test/cmdtest_d/base.py
@@ -148,6 +148,6 @@ class CmdTestBase:
 		imsg(purple(f'Killing {desc} [PID {pid}]'))
 		try:
 			os.kill(pid, SIGTERM)
-		except:
+		except ProcessLookupError:
 			imsg(yellow(f'{pid}: no such process'))
 		return 'ok'
diff --git a/test/cmdtest_d/include/common.py b/test/cmdtest_d/include/common.py
index 7586aa4f..4a4a64be 100644
--- a/test/cmdtest_d/include/common.py
+++ b/test/cmdtest_d/include/common.py
@@ -175,7 +175,7 @@ def get_comment(do_shuffle=False):
 	global label_iter
 	try:
 		return next(label_iter)
-	except:
+	except (NameError, StopIteration):
 		if do_shuffle:
 			shuffle(labels)
 		label_iter = iter(labels)