URI: 
       tqt: clean-up in some MyTreeView children (mv code from update to init) - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 356a0a2865a4ee319e7cc03dabd0ffd1c34e3077
   DIR parent 18c64515188494f05e517a099a7356d378a14bda
  HTML Author: SomberNight <somber.night@protonmail.com>
       Date:   Sun, 19 Jan 2020 07:02:48 +0100
       
       qt: clean-up in some MyTreeView children (mv code from update to init)
       
       Diffstat:
         M electrum/gui/qt/address_list.py     |       4 ++--
         M electrum/gui/qt/request_list.py     |       3 +--
         M electrum/gui/qt/utxo_list.py        |      20 ++++++++++++--------
       
       3 files changed, 15 insertions(+), 12 deletions(-)
       ---
   DIR diff --git a/electrum/gui/qt/address_list.py b/electrum/gui/qt/address_list.py
       t@@ -78,8 +78,9 @@ class AddressList(MyTreeView):
        
            filter_columns = [Columns.TYPE, Columns.ADDRESS, Columns.LABEL, Columns.COIN_BALANCE]
        
       -    def __init__(self, parent=None):
       +    def __init__(self, parent):
                super().__init__(parent, self.create_menu, stretch_column=self.Columns.LABEL)
       +        self.wallet = self.parent.wallet
                self.setSelectionMode(QAbstractItemView.ExtendedSelection)
                self.setSortingEnabled(True)
                self.show_change = AddressTypeFilter.ALL  # type: AddressTypeFilter
       t@@ -136,7 +137,6 @@ class AddressList(MyTreeView):
        
            @profiler
            def update(self):
       -        self.wallet = self.parent.wallet
                current_address = self.current_item_user_role(col=self.Columns.LABEL)
                if self.show_change == AddressTypeFilter.RECEIVING:
                    addr_list = self.wallet.get_receiving_addresses()
   DIR diff --git a/electrum/gui/qt/request_list.py b/electrum/gui/qt/request_list.py
       t@@ -61,6 +61,7 @@ class RequestList(MyTreeView):
                super().__init__(parent, self.create_menu,
                                 stretch_column=self.Columns.DESCRIPTION,
                                 editable_columns=[])
       +        self.wallet = self.parent.wallet
                self.setModel(QStandardItemModel(self))
                self.setSortingEnabled(True)
                self.update()
       t@@ -106,8 +107,6 @@ class RequestList(MyTreeView):
                        status_item.setIcon(read_QIcon(pr_icons.get(status)))
        
            def update(self):
       -        self.wallet = self.parent.wallet
       -        domain = self.wallet.get_receiving_addresses()
                self.parent.update_receive_address_styling()
                self.model().clear()
                self.update_headers(self.__class__.headers)
   DIR diff --git a/electrum/gui/qt/utxo_list.py b/electrum/gui/qt/utxo_list.py
       t@@ -38,6 +38,8 @@ from .util import MyTreeView, ColorScheme, MONOSPACE_FONT, EnterButton
        
        
        class UTXOList(MyTreeView):
       +    _spend_set: Optional[Set[str]]  # coins selected by the user to spend from
       +    _utxo_dict: Dict[str, PartialTxInput]  # coin name -> coin
        
            class Columns(IntEnum):
                OUTPOINT = 0
       t@@ -55,21 +57,23 @@ class UTXOList(MyTreeView):
            }
            filter_columns = [Columns.ADDRESS, Columns.LABEL, Columns.OUTPOINT]
        
       -    def __init__(self, parent=None):
       +    def __init__(self, parent):
                super().__init__(parent, self.create_menu,
                                 stretch_column=self.Columns.LABEL,
                                 editable_columns=[])
       -        self._spend_set = None  # type: Optional[Set[str]]  # coins selected by the user to spend from
       +        self._spend_set = None
       +        self._utxo_dict = {}
       +        self.wallet = self.parent.wallet
       +
                self.setModel(QStandardItemModel(self))
                self.setSelectionMode(QAbstractItemView.ExtendedSelection)
                self.setSortingEnabled(True)
                self.update()
        
            def update(self):
       -        self.wallet = self.parent.wallet
                utxos = self.wallet.get_utxos()
                self._maybe_reset_spend_list(utxos)
       -        self.utxo_dict = {}  # type: Dict[str, PartialTxInput]
       +        self._utxo_dict = {}
                self.model().clear()
                self.update_headers(self.__class__.headers)
                for idx, utxo in enumerate(utxos):
       t@@ -77,7 +81,7 @@ class UTXOList(MyTreeView):
                self.filter()
                # update coincontrol status bar
                if self._spend_set is not None:
       -            coins = [self.utxo_dict[x] for x in self._spend_set]
       +            coins = [self._utxo_dict[x] for x in self._spend_set]
                    coins = self._filter_frozen_coins(coins)
                    amount = sum(x.value_sats() for x in coins)
                    amount_str = self.parent.format_amount_and_units(amount)
       t@@ -91,7 +95,7 @@ class UTXOList(MyTreeView):
                height = utxo.block_height
                name = utxo.prevout.to_str()
                name_short = utxo.prevout.txid.hex()[:16] + '...' + ":%d" % utxo.prevout.out_idx
       -        self.utxo_dict[name] = utxo
       +        self._utxo_dict[name] = utxo
                label = self.wallet.get_label(utxo.prevout.txid.hex())
                amount = self.parent.format_amount(utxo.value_sats(), whitespaces=True)
                labels = [name_short, address, label, amount, '%d'%height]
       t@@ -142,7 +146,7 @@ class UTXOList(MyTreeView):
            def get_spend_list(self) -> Optional[Sequence[PartialTxInput]]:
                if self._spend_set is None:
                    return None
       -        utxos = [self.utxo_dict[x] for x in self._spend_set]
       +        utxos = [self._utxo_dict[x] for x in self._spend_set]
                return copy.deepcopy(utxos)  # copy so that side-effects don't affect utxo_dict
        
            def _maybe_reset_spend_list(self, current_wallet_utxos: Sequence[PartialTxInput]) -> None:
       t@@ -159,7 +163,7 @@ class UTXOList(MyTreeView):
                    return
                menu = QMenu()
                menu.setSeparatorsCollapsible(True)  # consecutive separators are merged together
       -        coins = [self.utxo_dict[name] for name in selected]
       +        coins = [self._utxo_dict[name] for name in selected]
                if len(coins) == 0:
                    menu.addAction(_("Spend (select none)"), lambda: self.set_spend_list(coins))
                else: