From de4937b82c31efe6c62c2c8f67f3bfb8aab85c32 Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Fri, 7 Aug 2026 09:37:46 +0000
Subject: [PATCH] ruff C402 (unnecessary generator (rewrite as dict
 comprehension))

---
 mmgen/obj.py                              | 2 +-
 mmgen/opts.py                             | 6 +++---
 mmgen/proto/btc/rpc/local.py              | 2 +-
 mmgen/proto/eth/rlp/sedes/serializable.py | 6 +-----
 mmgen/tw/store.py                         | 2 +-
 mmgen/util.py                             | 2 +-
 mmgen/xmrwallet/file/__init__.py          | 2 +-
 pyproject.toml                            | 1 -
 8 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/mmgen/obj.py b/mmgen/obj.py
index 187bc969..be4bbb68 100755
--- a/mmgen/obj.py
+++ b/mmgen/obj.py
@@ -213,7 +213,7 @@ class MMGenListItem(MMGenObject):
 		return object.__setattr__(self, name, value)
 
 	def _asdict(self):
-		return dict((k, v) for k, v in self.__dict__.items() if k in self.valid_attrs)
+		return {k: v for k, v in self.__dict__.items() if k in self.valid_attrs}
 
 class MMGenRange(tuple, InitErrors, MMGenObject):
 
diff --git a/mmgen/opts.py b/mmgen/opts.py
index e244f516..7ca62a91 100755
--- a/mmgen/opts.py
+++ b/mmgen/opts.py
@@ -29,10 +29,10 @@ def negated_opts(opts, data={}):
 	if data:
 		return data
 	else:
-		data.update(dict(
-			((k[3:] if k.startswith('no-') else f'no-{k}'), v)
+		data.update({
+			(k[3:] if k.startswith('no-') else f'no-{k}'): v
 				for k, v in opts.items()
-					if len(k) > 1 and not v.has_parm))
+					if len(k) > 1 and not v.has_parm})
 		return data
 
 def get_opt_by_substring(opt, opts):
diff --git a/mmgen/proto/btc/rpc/local.py b/mmgen/proto/btc/rpc/local.py
index c8227881..b11ec9fd 100755
--- a/mmgen/proto/btc/rpc/local.py
+++ b/mmgen/proto/btc/rpc/local.py
@@ -364,7 +364,7 @@ class BitcoinRPCClient(RPCClient, metaclass=AsyncInit):
 				self.cfg, fn, desc='daemon config file', silent=not self.cfg.verbose)
 		except:
 			self.cfg._util.vmsg(f'Warning: {fn!r} does not exist or is unreadable')
-			return dict((k, None) for k in req_keys)
+			return {k: None for k in req_keys}
 
 		def gen():
 			for key in req_keys:
diff --git a/mmgen/proto/eth/rlp/sedes/serializable.py b/mmgen/proto/eth/rlp/sedes/serializable.py
index de9fe62f..0e20041d 100644
--- a/mmgen/proto/eth/rlp/sedes/serializable.py
+++ b/mmgen/proto/eth/rlp/sedes/serializable.py
@@ -204,11 +204,7 @@ class BaseSerializable(collections.abc.Sequence):
     _cached_rlp = None
 
     def as_dict(self):
-        return dict(
-            (field, value)
-            for field, value
-            in zip(self._meta.field_names, self)
-        )
+        return {field: value for field, value in zip(self._meta.field_names, self)}
 
     def __iter__(self):
         for attr in self._meta.field_attrs:
diff --git a/mmgen/tw/store.py b/mmgen/tw/store.py
index ed5e3847..8d7eb098 100755
--- a/mmgen/tw/store.py
+++ b/mmgen/tw/store.py
@@ -191,7 +191,7 @@ class TwCtlWithStore(TwCtl, metaclass=AsyncInit):
 
 	@property
 	def mmid_ordered_dict(self):
-		return dict((x['mmid'], {'addr': x['addr'], 'comment': x['comment']}) for x in self.sorted_list)
+		return {x['mmid']: {'addr': x['addr'], 'comment': x['comment']} for x in self.sorted_list}
 
 	async def get_label_addr_pairs(self):
 		return [label_addr_pair(
diff --git a/mmgen/util.py b/mmgen/util.py
index d13c3523..b89876c2 100755
--- a/mmgen/util.py
+++ b/mmgen/util.py
@@ -385,7 +385,7 @@ def is_utf8(s):
 		return True
 
 def remove_whitespace(s, *, ws='\t\r\n '):
-	return s.translate(dict((ord(e), None) for e in ws))
+	return s.translate({ord(e): None for e in ws})
 
 def strip_comment(line):
 	return re.sub('#.*', '', line).rstrip()
diff --git a/mmgen/xmrwallet/file/__init__.py b/mmgen/xmrwallet/file/__init__.py
index 8ad61085..785ec025 100755
--- a/mmgen/xmrwallet/file/__init__.py
+++ b/mmgen/xmrwallet/file/__init__.py
@@ -23,7 +23,7 @@ class MoneroMMGenFile:
 
 	def make_chksum(self, *, keys=None):
 		res = json.dumps(
-			dict((k, v) for k, v in self.data._asdict().items() if (not keys or k in keys)),
+			{k: v for k, v in self.data._asdict().items() if (not keys or k in keys)},
 			cls = json_encoder)
 		return make_chksum_N(res, rounds=1, nchars=self.chksum_nchars, upper=False)
 
diff --git a/pyproject.toml b/pyproject.toml
index 4dc6d45b..0853a3bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,6 @@ ignore = [
 	"B018", # Found useless expression. Either assign it to a variable or remove it.
 	"B026", # Star-arg unpacking after a keyword argument is strongly discouraged
 	"BLE001", # Do not catch blind exception: `Exception`
-	"C402", # Unnecessary generator (rewrite as a dict comprehension)
 	"C409", # Unnecessary list literal passed to `tuple()` (rewrite as a tuple literal)
 	"C410", # Unnecessary list literal passed to `list()` (remove the outer call to `list()`)
 	"C414", # Unnecessary `list()` call within `set()`