minor cleanups

examples/halving-calculator.py

@@ -17,7 +17,7 @@ import time
 import mmgen.opts as opts
 from mmgen.util import async_run
 
-cfg = opts.init({
+opts_data = {
 	'text': {
 		'desc': 'Estimate date of next block subsidy halving',
 		'usage':'[opts]',
@@ -37,7 +37,9 @@ A more full-featured version of this program can be found in the
 mmgen-node-tools repository.
 """
 	}
-})
+}
+
+cfg = opts.init(opts_data)
 
 def date(t):
 	return '{}-{:02}-{:02} {:02}:{:02}:{:02}'.format(*time.gmtime(t)[:6])

test/misc/get_passphrase.py

@@ -7,7 +7,7 @@ sys.path[0] = os.curdir
 
 from mmgen.common import *
 
-cfg = opts.init({
+opts_data = {
 	'text': {
 		'desc':    '',
 		'usage':   '',
@@ -18,7 +18,10 @@ cfg = opts.init({
 -L, --label=l         d
 -m, --keep-label      e
 		"""
-	}},init_opts={'color':True})
+	}
+}
+
+cfg = opts.init( opts_data, init_opts={'color':True} )
 
 def crypto():
 	desc = 'test data'

test/misc/input_func.py

@@ -7,7 +7,15 @@ sys.path[0] = os.curdir
 
 from mmgen.common import *
 
-cfg = opts.init({'text': { 'desc': '', 'usage':'', 'options':'-e, --echo-passphrase foo' }})
+opts_data = {
+	'text': {
+		'desc': '',
+		'usage':'',
+		'options':'-e, --echo-passphrase foo',
+	}
+}
+
+cfg = opts.init(opts_data)
 
 cmd_args = cfg._args
 

test/misc/utf8_output.py

@@ -1,11 +1,5 @@
 #!/usr/bin/env python3
 
-from mmgen.common import *
-
-cfg = opts.init()
-
-from mmgen.util import msg
-
 text = {
 	'gr': 'Greek text: {}'.format(''.join(map(chr,list(range(913,939))))),
 	'ru': 'Russian text: {}'.format(''.join(map(chr,list(range(1040,1072))))),
@@ -13,7 +7,10 @@ text = {
 	'jp': 'Japanese text: {}'.format('必要なのは、信用ではなく暗号化された証明に基づく電子取引システムであり、')
 }
 
-if not cfg._args or not cfg._args[0] in text:
+import sys
+from mmgen.util import msg,die
+
+if len(sys.argv) != 2 or not sys.argv[1] in text:
 	die(2,'argument must be one of {}'.format(list(text.keys())))
 
-msg(text[cfg._args[0]])
+msg(text[sys.argv[1]])