minor fixes and cleanups

.github/workflows/lint.yaml

@@ -51,8 +51,8 @@ jobs:
       run: |
         ruff check --output-format=github setup.py
         ruff check --output-format=github mmgen
-        ruff check --output-format=github test
         ruff check --output-format=github examples
+        ruff check --output-format=github test
 
     - name: Check code vulnerabilities with Bandit static analyzer
       run: |
@@ -66,6 +66,6 @@ jobs:
       run: |
         pylint setup.py
         pylint mmgen
+        pylint examples
         pylint test
         pylint --disable=relative-beyond-top-level test/cmdtest_d
-        pylint examples

mmgen/cfg.py

@@ -539,9 +539,11 @@ class Config(Lockable):
 				self.alice or
 				self.carol or
 				self.miner or
-				gc.prog_name == f'{gc.proj_id}-regtest'):
+				gc.prog_name == 'mmgen-regtest'):
 			if self.coin != 'XMR':
 				self.network = 'regtest'
+			if gc.prog_name == 'mmgen-regtest' and self.coin != 'BTC':
+				self.bdb_wallet = True
 			self.test_user = (
 				'bob' if self.bob else
 				'alice' if self.alice else

nix/packages.nix

@@ -16,7 +16,6 @@
         secp256k1    = secp256k1;
         less         = less;   # test suite (cmdtest.py regtest)
         procps       = procps; # test suite (pgrep)
-        ruff         = ruff;
 
         ## For test suite with --pure:
         e2fsprogs  = e2fsprogs;
@@ -25,20 +24,22 @@
     };
 
     python-packages = with python.pkgs; {
-        pip              = pip;
         setuptools       = setuptools;
         build            = build;
         wheel            = wheel;
+        pip              = pip;
+        # setup.cfg:
         gmpy2            = gmpy2;
         cryptography     = cryptography;
         pynacl           = pynacl;
-        ecdsa            = ecdsa;
         aiohttp          = aiohttp;
         requests         = requests;
+        lxml             = lxml;
         py-scrypt        = py-scrypt;
         semantic-version = semantic-version;
-        pexpect          = pexpect;         # test suite
-        pycoin           = pycoin;          # test suite
-        lxml             = lxml;
+        # test suite:
+        pycoin           = pycoin;
+        ecdsa            = ecdsa;
+        pexpect          = pexpect;
     };
 }

pyproject.toml

@@ -1,8 +1,8 @@
 [build-system]
 requires = [
 	"setuptools>=57",
-	"wheel>=0.36.0",
 	"build>=0.5.1",
+	"wheel>=0.36.0",
 ]
 build-backend = "setuptools.build_meta"
 

test/cmdtest_d/base.py

@@ -23,7 +23,7 @@ test.cmdtest_d.base: Base class for the cmdtest.py test suite
 import sys, os
 
 from mmgen.cfg import gc
-from mmgen.util import msg, distro_codename
+from mmgen.util import msg, distro_codename # pylint: disable=no-name-in-module
 from mmgen.color import gray, purple, yellow
 
 from ..include.common import write_to_file, read_from_file, imsg