qml: optimize imports

electrum/gui/qml/__init__.py

@@ -1,10 +1,9 @@
 import os
 import signal
 import sys
-import traceback
 import threading
-import re
-from typing import Optional, TYPE_CHECKING, List
+import traceback
+from typing import TYPE_CHECKING
 
 try:
     import PyQt5
@@ -20,14 +19,10 @@ from PyQt5.QtCore import QLocale, QTimer
 from PyQt5.QtGui import QGuiApplication
 import PyQt5.QtCore as QtCore
 
-from electrum.i18n import _, set_language, languages
+from electrum.i18n import set_language, languages
 from electrum.plugin import run_hook
-from electrum.base_wizard import GoBack
-from electrum.util import (UserCancelled, profiler,
-                           WalletFileException, BitcoinException, get_new_wallet_name)
-from electrum.wallet import Wallet, Abstract_Wallet
-from electrum.wallet_db import WalletDB
-from electrum.logging import Logger, get_logger
+from electrum.util import (profiler)
+from electrum.logging import Logger
 
 if TYPE_CHECKING:
     from electrum.daemon import Daemon

electrum/gui/qml/qeaddressdetails.py

@@ -1,13 +1,11 @@
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
-from decimal import Decimal
-
 from electrum.logging import get_logger
-from electrum.util import DECIMAL_POINT_DEFAULT
 
-from .qewallet import QEWallet
-from .qetypes import QEAmount
 from .qetransactionlistmodel import QETransactionListModel
+from .qetypes import QEAmount
+from .qewallet import QEWallet
+
 
 class QEAddressDetails(QObject):
     def __init__(self, parent=None):

electrum/gui/qml/qebitcoin.py

@@ -1,17 +1,16 @@
 import asyncio
-from datetime import datetime
 
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
-from electrum.logging import get_logger
-from electrum.keystore import bip39_is_checksum_valid
+from electrum import mnemonic
 from electrum.bip32 import is_bip32_derivation
+from electrum.keystore import bip39_is_checksum_valid
+from electrum.logging import get_logger
 from electrum.slip39 import decode_mnemonic, Slip39Error
-from electrum import mnemonic
 from electrum.util import parse_URI, create_bip21_uri, InvalidBitcoinURI, get_asyncio_loop
-
 from .qetypes import QEAmount
 
+
 class QEBitcoin(QObject):
     def __init__(self, config, parent=None):
         super().__init__(parent)

electrum/gui/qml/qechannellistmodel.py

@@ -1,12 +1,10 @@
-from datetime import datetime, timedelta
-
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, Q_ENUMS
 from PyQt5.QtCore import Qt, QAbstractListModel, QModelIndex
+from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot
 
+from electrum.lnchannel import ChannelState
+from electrum.lnutil import LOCAL, REMOTE
 from electrum.logging import get_logger
 from electrum.util import Satoshis
-from electrum.lnutil import LOCAL, REMOTE
-from electrum.lnchannel import ChannelState
 
 from .qetypes import QEAmount
 from .util import QtEventListener, qt_event_listener

electrum/gui/qml/qechannelopener.py

@@ -2,16 +2,16 @@ import threading
 
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
-from electrum.i18n import _
-from electrum.logging import get_logger
-from electrum.lnutil import extract_nodeid, ConnStringFormatError, LNPeerAddr, ln_dummy_address
-from electrum.lnworker import hardcoded_trampoline_nodes
 from electrum.gui import messages
+from electrum.lnutil import extract_nodeid, LNPeerAddr, ln_dummy_address
+from electrum.lnworker import hardcoded_trampoline_nodes
+from electrum.logging import get_logger
 
-from .qewallet import QEWallet
-from .qetypes import QEAmount
-from .qetxfinalizer import QETxFinalizer
 from .auth import AuthMixin, auth_protect
+from .qetxfinalizer import QETxFinalizer
+from .qetypes import QEAmount
+from .qewallet import QEWallet
+
 
 class QEChannelOpener(QObject, AuthMixin):
     def __init__(self, parent=None):

electrum/gui/qml/qedaemon.py

@@ -1,19 +1,16 @@
 import os
-from decimal import Decimal
 
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QUrl
 from PyQt5.QtCore import Qt, QAbstractListModel, QModelIndex
+from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
-from electrum.util import register_callback, get_new_wallet_name, WalletFileException, standardize_path
 from electrum.logging import get_logger
-from electrum.wallet import Wallet, Abstract_Wallet
-from electrum.storage import WalletStorage, StorageReadWriteError
-from electrum.wallet_db import WalletDB
+from electrum.util import WalletFileException, standardize_path
+from electrum.wallet import Abstract_Wallet
 
+from .auth import AuthMixin, auth_protect
+from .qefx import QEFX
 from .qewallet import QEWallet
 from .qewalletdb import QEWalletDB
-from .qefx import QEFX
-from .auth import AuthMixin, auth_protect
 
 # wallet list model. supports both wallet basenames (wallet file basenames)
 # and whole Wallet instances (loaded wallets)

electrum/gui/qml/qefx.py

@@ -1,15 +1,15 @@
-from decimal import Decimal
 from datetime import datetime
+from decimal import Decimal
 
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
-from electrum.logging import get_logger
+from electrum.bitcoin import COIN
 from electrum.exchange_rate import FxThread
+from electrum.logging import get_logger
 from electrum.simple_config import SimpleConfig
-from electrum.bitcoin import COIN
 
 from .qetypes import QEAmount
-from .util import QtEventListener, qt_event_listener, event_listener
+from .util import QtEventListener, event_listener
 
 class QEFX(QObject, QtEventListener):
     def __init__(self, fxthread: FxThread, config: SimpleConfig, parent=None):

electrum/gui/qml/qeinvoice.py

@@ -1,23 +1,19 @@
-import asyncio
-from datetime import datetime
-
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, Q_ENUMS
 
-from electrum.logging import get_logger
-from electrum.i18n import _
-from electrum.util import (parse_URI, create_bip21_uri, InvalidBitcoinURI, InvoiceError,
-                           maybe_extract_lightning_payment_identifier)
-from electrum.invoices import Invoice
-from electrum.invoices import (PR_UNPAID,PR_EXPIRED,PR_UNKNOWN,PR_PAID,PR_INFLIGHT,
-                               PR_FAILED,PR_ROUTING,PR_UNCONFIRMED,LN_EXPIRY_NEVER)
-from electrum.transaction import PartialTxOutput
-from electrum.lnaddr import lndecode
 from electrum import bitcoin
 from electrum import lnutil
+from electrum.i18n import _
+from electrum.invoices import Invoice
+from electrum.invoices import (PR_UNPAID, PR_EXPIRED, PR_UNKNOWN, PR_PAID, PR_INFLIGHT,
+                               PR_FAILED, PR_ROUTING, PR_UNCONFIRMED)
 from electrum.lnaddr import LnInvoiceException
+from electrum.logging import get_logger
+from electrum.transaction import PartialTxOutput
+from electrum.util import (parse_URI, InvalidBitcoinURI, InvoiceError,
+                           maybe_extract_lightning_payment_identifier)
 
-from .qewallet import QEWallet
 from .qetypes import QEAmount
+from .qewallet import QEWallet
 
 class QEInvoice(QObject):
     class Type:

electrum/gui/qml/qelnpaymentdetails.py

@@ -1,10 +1,10 @@
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
 from electrum.logging import get_logger
-from electrum.util import format_time, bfh, format_time
+from electrum.util import bfh, format_time
 
-from .qewallet import QEWallet
 from .qetypes import QEAmount
+from .qewallet import QEWallet
 
 class QELnPaymentDetails(QObject):
     def __init__(self, parent=None):

electrum/gui/qml/qeswaphelper.py

@@ -1,17 +1,17 @@
 import asyncio
-from typing import TYPE_CHECKING, Optional, Union
+from typing import Union
 
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
 from electrum.i18n import _
-from electrum.logging import get_logger
 from electrum.lnutil import ln_dummy_address
+from electrum.logging import get_logger
 from electrum.transaction import PartialTxOutput
 from electrum.util import NotEnoughFunds, NoDynamicFeeEstimates, profiler
 
-from .qewallet import QEWallet
-from .qetypes import QEAmount
 from .auth import AuthMixin, auth_protect
+from .qetypes import QEAmount
+from .qewallet import QEWallet
 
 class QESwapHelper(AuthMixin, QObject):
     _logger = get_logger(__name__)

electrum/gui/qml/qetypes.py

@@ -2,7 +2,6 @@ from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
 from electrum.logging import get_logger
 from electrum.i18n import _
-from electrum.util import profiler
 
 # container for satoshi amounts that can be passed around more
 # easily between python, QML-property and QML-javascript contexts

electrum/gui/qml/qewallet.py

@@ -1,30 +1,25 @@
-from typing import Optional, TYPE_CHECKING, Sequence, List, Union
-import queue
-import time
 import asyncio
+import queue
 import threading
+import time
+from typing import Optional
 
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QUrl, QTimer
+from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QTimer
 
+from electrum import bitcoin
 from electrum.i18n import _
-from electrum.util import (Satoshis, format_time, parse_max_spend, InvalidPassword,
-                           event_listener)
+from electrum.invoices import (InvoiceError)
 from electrum.logging import get_logger
-from electrum.wallet import Wallet, Abstract_Wallet
-from electrum.storage import StorageEncryptionVersion
-from electrum import bitcoin
-from electrum.transaction import PartialTxOutput
-from electrum.invoices import (Invoice, InvoiceError,
-                               PR_DEFAULT_EXPIRATION_WHEN_CREATING, PR_PAID,
-                               PR_UNPAID, PR_UNKNOWN, PR_EXPIRED, PR_UNCONFIRMED)
 from electrum.network import TxBroadcastError, BestEffortRequestFailed
+from electrum.transaction import PartialTxOutput
+from electrum.util import (parse_max_spend, InvalidPassword, event_listener)
 
-from .qeinvoicelistmodel import QEInvoiceListModel, QERequestListModel
-from .qetransactionlistmodel import QETransactionListModel
+from .auth import AuthMixin, auth_protect
 from .qeaddresslistmodel import QEAddressListModel
 from .qechannellistmodel import QEChannelListModel
+from .qeinvoicelistmodel import QEInvoiceListModel, QERequestListModel
+from .qetransactionlistmodel import QETransactionListModel
 from .qetypes import QEAmount
-from .auth import AuthMixin, auth_protect
 from .util import QtEventListener, qt_event_listener
 
 class QEWallet(AuthMixin, QObject, QtEventListener):

electrum/gui/qml/qewalletdb.py

@@ -2,7 +2,7 @@ import os
 
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
-from electrum.logging import Logger, get_logger
+from electrum.logging import get_logger
 from electrum.storage import WalletStorage, StorageEncryptionVersion
 from electrum.wallet_db import WalletDB
 from electrum.bip32 import normalize_bip32_derivation

electrum/gui/qml/util.py

@@ -1,9 +1,7 @@
 from functools import wraps
 
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
+from PyQt5.QtCore import pyqtSignal
 
-from electrum.logging import get_logger
-from electrum.i18n import _
 from electrum.util import EventListener, event_listener
 
 class QtEventListener(EventListener):