tMake exchange rate plugin a network thread job - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit a5e0265010e19e52fab76967cba05e378b3276ec
DIR parent f5a8da43e93b97687660a94bb9f953bb3f45f15b
HTML Author: Neil Booth <kyuupichan@gmail.com>
Date: Mon, 31 Aug 2015 19:21:42 +0900
Make exchange rate plugin a network thread job
This fixes a lot of thread error noise when closing down electrum.
Diffstat:
M lib/network.py | 5 ++++-
M plugins/exchange_rate.py | 52 ++++++++++++++-----------------
2 files changed, 27 insertions(+), 30 deletions(-)
---
DIR diff --git a/lib/network.py b/lib/network.py
t@@ -17,6 +17,7 @@ from bitcoin import *
from interface import Connection, Interface
from blockchain import Blockchain
from version import ELECTRUM_VERSION, PROTOCOL_VERSION
+from plugins import run_hook
DEFAULT_PORTS = {'t':'50001', 's':'50002', 'h':'8081', 'g':'8082'}
t@@ -132,7 +133,7 @@ class Network(util.DaemonThread):
- Member functions get_header(), get_interfaces(), get_local_height(),
get_parameters(), get_server_height(), get_status_value(),
- is_connected(), new_blockchain_height(), set_parameters(), start(),
+ is_connected(), new_blockchain_height(), set_parameters(),
stop()
"""
t@@ -750,6 +751,7 @@ class Network(util.DaemonThread):
self.process_responses(interface)
def run(self):
+ run_hook('set_network', self)
self.blockchain.init()
while self.is_running():
self.maintain_sockets()
t@@ -759,6 +761,7 @@ class Network(util.DaemonThread):
self.process_pending_sends()
self.stop_network()
+ run_hook('set_network', None)
self.trigger_callback('stop')
self.print_error("stopped")
DIR diff --git a/plugins/exchange_rate.py b/plugins/exchange_rate.py
t@@ -2,18 +2,15 @@ from PyQt4.QtGui import *
from PyQt4.QtCore import *
import datetime
-import decimal
import requests
-import json
import threading
import time
-import re
-from ssl import SSLError
from decimal import Decimal
from electrum.bitcoin import COIN
from electrum.plugins import BasePlugin, hook
from electrum.i18n import _
+from electrum.util import ThreadJob
from electrum_gui.qt.util import *
from electrum_gui.qt.amountedit import AmountEdit
t@@ -38,37 +35,29 @@ EXCH_SUPPORT_HIST = [("CoinDesk", "USD"),
("BitcoinVenezuela", "ARS"),
("BitcoinVenezuela", "VEF")]
-class Exchanger(threading.Thread):
+class Exchanger(ThreadJob):
def __init__(self, parent):
- threading.Thread.__init__(self)
- self.daemon = True
self.parent = parent
self.quote_currencies = None
- self.lock = threading.Lock()
- self.query_rates = threading.Event()
+ self.timeout = 0
self.use_exchange = self.parent.config.get('use_exchange', "Blockchain")
self.parent.exchanges = EXCHANGES
#self.parent.win.emit(SIGNAL("refresh_exchanges_combo()"))
#self.parent.win.emit(SIGNAL("refresh_currencies_combo()"))
- self.is_running = False
def get_json(self, site, get_string):
resp = requests.request('GET', 'https://' + site + get_string, headers={"User-Agent":"Electrum"})
return resp.json()
def exchange(self, btc_amount, quote_currency):
- with self.lock:
- if self.quote_currencies is None:
- return None
- quote_currencies = self.quote_currencies.copy()
+ if self.quote_currencies is None:
+ return None
+ quote_currencies = self.quote_currencies.copy()
if quote_currency not in quote_currencies:
return None
return btc_amount * Decimal(str(quote_currencies[quote_currency]))
- def stop(self):
- self.is_running = False
-
def update_rate(self):
self.use_exchange = self.parent.config.get('use_exchange', "Blockchain")
update_rates = {
t@@ -92,18 +81,14 @@ class Exchanger(threading.Thread):
except Exception as e:
self.parent.print_error(e)
rates = {}
- with self.lock:
- self.quote_currencies = rates
- self.parent.set_currencies(rates)
+ self.quote_currencies = rates
+ self.parent.set_currencies(rates)
self.parent.refresh_fields()
def run(self):
- self.is_running = True
- while self.is_running:
- self.query_rates.clear()
+ if self.timeout <= time.time():
self.update_rate()
- self.query_rates.wait(150)
-
+ self.timeout = time.time() + 150
def update_cd(self):
resp_currencies = self.get_json('api.coindesk.com', "/v1/bpi/supported-currencies.json")
t@@ -188,10 +173,18 @@ class Plugin(BasePlugin):
self.exchanges = [self.config.get('use_exchange', "Blockchain")]
# Do price discovery
self.exchanger = Exchanger(self)
- self.exchanger.start()
self.win = None
self.resp_hist = {}
self.fields = {}
+ self.network = None
+
+ @hook
+ def set_network(self, network):
+ if self.network:
+ self.network.remove_job(self.exchanger)
+ self.network = network
+ if network:
+ network.add_job(self.exchanger)
@hook
def init_qt(self, gui):
t@@ -207,7 +200,7 @@ class Plugin(BasePlugin):
def close(self):
BasePlugin.close(self)
- self.exchanger.stop()
+ self.set_network(None)
self.exchanger = None
self.gui.exchanger = None
self.send_fiat_e.hide()
t@@ -269,6 +262,7 @@ class Plugin(BasePlugin):
self.tx_list = tx_list
self.cur_exchange = self.config.get('use_exchange', "Blockchain")
+ self.set_network(wallet.network)
t = threading.Thread(target=self.request_history_rates, args=())
t.setDaemon(True)
t.start()
t@@ -422,7 +416,7 @@ class Plugin(BasePlugin):
self.config.set_key('use_exchange', cur_request, True)
self.currencies = []
combo.clear()
- self.exchanger.query_rates.set()
+ self.timeout = 0
cur_currency = self.fiat_unit()
if (cur_request, cur_currency) in EXCH_SUPPORT_HIST:
hist_checkbox.setEnabled(True)
t@@ -473,7 +467,7 @@ class Plugin(BasePlugin):
def ok_clicked():
if self.config.get('use_exchange', "Blockchain") in ["CoinDesk", "itBit"]:
- self.exchanger.query_rates.set()
+ self.timeout = 0
d.accept();
set_exchanges(combo_ex)