tlightning_channels_list: use signals to avoid segfault - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
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---
DIR commit caadc5a5bbf3a4cba8020609f3944c5ae5f23f48
DIR parent aaa67adb5ab421c75ebe8cae6a4989ab88d62008
HTML Author: Janus <ysangkok@gmail.com>
Date: Fri, 13 Apr 2018 19:22:01 +0200
lightning_channels_list: use signals to avoid segfault
Diffstat:
M gui/qt/lightning_channels_list.py | 14 ++++++++++++++
1 file changed, 14 insertions(+), 0 deletions(-)
---
DIR diff --git a/gui/qt/lightning_channels_list.py b/gui/qt/lightning_channels_list.py
t@@ -4,6 +4,7 @@ from PyQt5 import QtCore, QtWidgets
from collections import OrderedDict
import logging
from electrum.lightning import lightningCall
+import traceback
mapping = {0: "channel_point"}
revMapp = {"channel_point": 0}
t@@ -39,6 +40,8 @@ def clickHandler(nodeIdInput, local_amt_inp, push_amt_inp, lightningRpc):
lightningCall(lightningRpc, "openchannel")(str(nodeId), local_amt_inp.text(), push_amt_inp.text())
class LightningChannelsList(QtWidgets.QWidget):
+ update_rows = QtCore.pyqtSignal(str, dict)
+
def create_menu(self, position):
menu = QtWidgets.QMenu()
cur = self._tv.currentItem()
t@@ -67,6 +70,15 @@ class LightningChannelsList(QtWidgets.QWidget):
except KeyError:
obj[k] = v
def lightningRpcHandler(self, methodName, obj):
+ if isinstance(obj, Exception):
+ try:
+ raise obj
+ except:
+ traceback.print_exc()
+ else:
+ self.update_rows.emit(methodName, obj)
+
+ def do_update_rows(self, methodName, obj):
if methodName != "listchannels":
print("channel list ignoring reply {} to {}".format(obj, methodName))
return
t@@ -78,6 +90,8 @@ class LightningChannelsList(QtWidgets.QWidget):
def __init__(self, parent, lightningWorker, lightningRpc):
QtWidgets.QWidget.__init__(self, parent)
+ self.update_rows.connect(self.do_update_rows)
+
def tick():
lightningCall(lightningRpc, "listchannels")()