tw.view.TwView: add __init__() method

mmgen/tw/addresses.py

@@ -13,16 +13,14 @@ tw.addresses: Tracking wallet listaddresses class for the MMGen suite
 """
 
 from ..util import suf
-from ..base_obj import AsyncInit
 from ..objmethods import MMGenObject
 from ..obj import MMGenListItem,ImmutableAttr,ListItemAttr,TwComment,NonNegativeInt
-from ..rpc import rpc_init
 from ..addr import CoinAddr,MMGenID
 from ..color import red,green
 from .view import TwView
 from .shared import TwMMGenID
 
-class TwAddresses(TwView,metaclass=AsyncInit):
+class TwAddresses(TwView):
 
 	hdr_lbl = 'tracking wallet addresses'
 	desc = 'address list'
@@ -76,14 +74,11 @@ class TwAddresses(TwView,metaclass=AsyncInit):
 	def __new__(cls,proto,*args,**kwargs):
 		return MMGenObject.__new__(proto.base_proto_subclass(cls,'tw','addresses'))
 
-	async def __init__(self,proto,minconf=1,mmgen_addrs='',wallet=None,get_data=False):
+	async def __init__(self,proto,minconf=1,mmgen_addrs='',get_data=False):
+
+		await super().__init__(proto)
 
-		self.proto   = proto
 		self.minconf = NonNegativeInt(minconf)
-		self.rpc     = await rpc_init(proto)
-
-		from .ctl import TrackingWallet
-		self.wallet = wallet or await TrackingWallet(proto,mode='w')
 
 		if mmgen_addrs:
 			a = mmgen_addrs.rsplit(':',1)

mmgen/tw/txhistory.py

@@ -13,13 +13,11 @@ tw.txhistory: Tracking wallet transaction history class for the MMGen suite
 """
 
 from ..util import fmt
-from ..base_obj import AsyncInit
 from ..objmethods import MMGenObject
-from ..rpc import rpc_init
 from ..obj import NonNegativeInt
 from .view import TwView
 
-class TwTxHistory(TwView,metaclass=AsyncInit):
+class TwTxHistory(TwView):
 
 	class display_type(TwView.display_type):
 
@@ -42,9 +40,8 @@ class TwTxHistory(TwView,metaclass=AsyncInit):
 	filters = ('show_unconfirmed',)
 
 	async def __init__(self,proto,sinceblock=0):
-		self.proto      = proto
-		self.rpc        = await rpc_init(proto)
-		self.sinceblock = NonNegativeIntInt( sinceblock if sinceblock >= 0 else self.rpc.blockcount + sinceblock )
+		await super().__init__(proto)
+		self.sinceblock = NonNegativeInt( sinceblock if sinceblock >= 0 else self.rpc.blockcount + sinceblock )
 
 	@property
 	def no_rpcdata_errmsg(self):

mmgen/tw/unspent.py

@@ -22,7 +22,6 @@ tw.unspent: Tracking wallet unspent outputs class for the MMGen suite
 
 from ..globalvars import g
 from ..util import msg,suf,fmt
-from ..base_obj import AsyncInit
 from ..objmethods import MMGenObject
 from ..obj import (
 	ImmutableAttr,
@@ -33,11 +32,10 @@ from ..obj import (
 	CoinTxID,
 	NonNegativeInt )
 from ..addr import CoinAddr,MMGenID
-from ..rpc import rpc_init
-from .view import TwView
 from .shared import TwMMGenID,get_tw_label
+from .view import TwView
 
-class TwUnspentOutputs(TwView,metaclass=AsyncInit):
+class TwUnspentOutputs(TwView):
 
 	class display_type(TwView.display_type):
 
@@ -82,14 +80,10 @@ class TwUnspentOutputs(TwView,metaclass=AsyncInit):
 				return self.proto.coin_amt(value)
 
 	async def __init__(self,proto,minconf=1,addrs=[]):
-		self.proto        = proto
-		self.minconf      = minconf
-		self.addrs        = addrs
-		self.rpc          = await rpc_init(proto)
-		self.min_cols     = g.min_screen_width
-
-		from .ctl import TrackingWallet
-		self.wallet = await TrackingWallet(proto,mode='w')
+		await super().__init__(proto)
+		self.minconf  = minconf
+		self.addrs    = addrs
+		self.min_cols = g.min_screen_width
 
 	@property
 	def total(self):

mmgen/tw/view.py

@@ -28,9 +28,11 @@ from ..objmethods import Hilite,InitErrors,MMGenObject
 from ..obj import get_obj,MMGenIdx,MMGenList
 from ..color import nocolor,yellow,green,red,blue
 from ..util import msg,msg_r,fmt,die,capfirst,make_timestr
+from ..rpc import rpc_init
+from ..base_obj import AsyncInit
 
 # base class for TwUnspentOutputs,TwAddresses,TwTxHistory:
-class TwView(MMGenObject):
+class TwView(MMGenObject,metaclass=AsyncInit):
 
 	class display_type:
 
@@ -109,6 +111,13 @@ class TwView(MMGenObject):
 		Please resize your screen to at least {} characters and hit any key:
 	"""
 
+	async def __init__(self,proto):
+		self.proto = proto
+		self.rpc = await rpc_init(proto)
+		if self.has_wallet:
+			from .ctl import TrackingWallet
+			self.wallet = await TrackingWallet(proto,mode='w')
+
 	@property
 	def age_w(self):
 		return self.age_col_params[self.age_fmt][0]