tRewrite labels plugin using requests and own signals - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit bfb42409488d8bba704e2dd0cd90877ad1874fe6
DIR parent 1369c02011720706d47a0a0957f73c85a82693f0
HTML Author: ThomasV <thomasv@gitorious>
Date: Tue, 24 Mar 2015 13:25:51 +0100
Rewrite labels plugin using requests and own signals
Diffstat:
M gui/qt/util.py | 31 +++++++++++++++++++++++++++++++
M plugins/labels.py | 162 +++++++++++++------------------
2 files changed, 97 insertions(+), 96 deletions(-)
---
DIR diff --git a/gui/qt/util.py b/gui/qt/util.py
t@@ -72,7 +72,38 @@ class EnterButton(QPushButton):
apply(self.func,())
+class ThreadedButton(QPushButton):
+ def __init__(self, text, func, on_success=None):
+ QPushButton.__init__(self, text)
+ self.run_task = func
+ self.on_success = on_success
+ self.clicked.connect(self.do_exec)
+ self.connect(self, SIGNAL('done'), self.done)
+ self.connect(self, SIGNAL('error'), self.on_error)
+
+ def done(self):
+ if self.on_success:
+ self.on_success()
+ self.setEnabled(True)
+
+ def on_error(self):
+ QMessageBox.information(None, _("Error"), self.error)
+ self.setEnabled(True)
+
+ def do_func(self):
+ self.setEnabled(False)
+ try:
+ self.result = self.run_task()
+ except BaseException as e:
+ self.error = str(e.message)
+ self.emit(SIGNAL('error'))
+ return
+ self.emit(SIGNAL('done'))
+ def do_exec(self):
+ t = threading.Thread(target=self.do_func)
+ t.setDaemon(True)
+ t.start()
class HelpButton(QPushButton):
DIR diff --git a/plugins/labels.py b/plugins/labels.py
t@@ -1,11 +1,12 @@
from electrum.util import print_error
-import httplib, urllib
+
import socket
+import requests
import threading
import hashlib
import json
-from urlparse import urlparse, parse_qs
+
try:
import PyQt4
except Exception:
t@@ -23,6 +24,7 @@ from electrum.plugins import BasePlugin, hook
from electrum.i18n import _
from electrum_gui.qt import HelpButton, EnterButton
+from electrum_gui.qt.util import ThreadedButton, Buttons, CancelButton, OkButton
class Plugin(BasePlugin):
t@@ -47,7 +49,6 @@ class Plugin(BasePlugin):
decoded_message = electrum.bitcoin.aes_decrypt_with_iv(self.encode_password, self.iv, base64.b64decode(message)).decode('utf8')
return decoded_message
-
@hook
def init_qt(self, gui):
self.window = gui.main_window
t@@ -60,6 +61,8 @@ class Plugin(BasePlugin):
self.set_enabled(False)
return False
+ self.window.connect(self.window, SIGNAL('labels:pulled'), self.on_pulled)
+
@hook
def load_wallet(self, wallet):
self.wallet = wallet
t@@ -77,7 +80,14 @@ class Plugin(BasePlugin):
if self.auth_token():
# If there is an auth token we can try to actually start syncing
- threading.Thread(target=self.do_full_pull).start()
+ def do_pull_thread():
+ try:
+ self.pull_thread()
+ except:
+ print_error("could not retrieve labels")
+ t = threading.Thread(target=do_pull_thread)
+ t.setDaemon(True)
+ t.start()
def auth_token(self):
return self.config.get("plugin_label_api_key")
t@@ -93,20 +103,10 @@ class Plugin(BasePlugin):
if self.encode_password is None:
return
if not changed:
- return
- try:
- bundle = {"label": {"external_id": self.encode(item), "text": self.encode(label)}}
- params = json.dumps(bundle)
- connection = httplib.HTTPConnection(self.target_host)
- connection.request("POST", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
-
- response = connection.getresponse()
- if response.reason == httplib.responses[httplib.NOT_FOUND]:
- return
- response = json.loads(response.read())
- except socket.gaierror as e:
- print_error('Error connecting to service: %s ' % e)
- return False
+ return
+ bundle = {"label": {"external_id": self.encode(item), "text": self.encode(label)}}
+ t = threading.Thread(target=self.do_request, args=["POST", False, bundle])
+ t.start()
def settings_widget(self, window):
return EnterButton(_('Settings'), self.settings_dialog)
t@@ -124,8 +124,11 @@ class Plugin(BasePlugin):
self.accept.setEnabled(False)
d = QDialog()
- layout = QGridLayout(d)
- layout.addWidget(QLabel("API Key: "),0,0)
+ vbox = QVBoxLayout(d)
+ layout = QGridLayout()
+ vbox.addLayout(layout)
+
+ layout.addWidget(QLabel("API Key: "), 0, 0)
self.auth_token_edit = QLineEdit(self.auth_token())
self.auth_token_edit.textChanged.connect(check_for_api_key)
t@@ -139,99 +142,66 @@ class Plugin(BasePlugin):
layout.addWidget(QLabel("Decryption key: "),1,0)
layout.addWidget(HelpButton("This key can be used on the LabElectrum website to decrypt your data in case you want to review it online."),1,2)
- self.upload = QPushButton("Force upload")
- self.upload.clicked.connect(self.full_push)
- layout.addWidget(self.upload, 2,1)
-
- self.download = QPushButton("Force download")
- self.download.clicked.connect(self.full_pull)
- layout.addWidget(self.download, 2,2)
+ self.upload = ThreadedButton("Force upload", self.push_thread, self.done_processing)
+ layout.addWidget(self.upload, 2, 1)
- c = QPushButton(_("Cancel"))
- c.clicked.connect(d.reject)
+ self.download = ThreadedButton("Force download", self.pull_thread, self.done_processing)
+ layout.addWidget(self.download, 2, 2)
- self.accept = QPushButton(_("Done"))
- self.accept.clicked.connect(d.accept)
-
- layout.addWidget(c,3,1)
- layout.addWidget(self.accept,3,2)
+ self.accept = OkButton(d, _("Done"))
+ vbox.addLayout(Buttons(CancelButton(d), self.accept))
check_for_api_key(self.auth_token())
- self.window.labelsChanged.connect(self.done_processing)
-
if d.exec_():
- return True
+ return True
else:
- return False
+ return False
+
+ def on_pulled(self):
+ wallet = self.wallet
+ wallet.storage.put('labels', wallet.labels, True)
+ self.window.labelsChanged.emit()
def done_processing(self):
QMessageBox.information(None, _("Labels synchronised"), _("Your labels have been synchronised."))
- def full_push(self):
- threading.Thread(target=self.do_full_push).start()
-
- def full_pull(self):
- threading.Thread(target=self.do_full_pull, args=([True])).start()
+ def do_request(self, method, is_batch=False, data=None):
+ url = 'http://' + self.target_host + "/api/wallets/%s/%s?auth_token=%s" % (self.wallet_id, 'labels/batch.json' if is_batch else 'labels.json', self.auth_token())
+ kwargs = {'headers': {}}
+ if method == 'GET' and data:
+ kwargs['params'] = data
+ elif method == 'POST' and data:
+ kwargs['data'] = json.dumps(data)
+ kwargs['headers']['Content-Type'] = 'application/json'
+ response = requests.request(method, url, **kwargs)
+ if response.status_code != 200:
+ raise BaseException(response.status_code, response.text)
+ response = response.json()
+ if "error" in response:
+ raise BaseException(response["error"])
+ return response
- def do_full_push(self):
- try:
- bundle = {"labels": {}}
- for key, value in self.wallet.labels.iteritems():
- try:
- encoded_key = self.encode(key)
- except:
- print_error('cannot encode', repr(key))
- continue
- try:
- encoded_value = self.encode(value)
- except:
- print_error('cannot encode', repr(value))
- continue
- bundle["labels"][encoded_key] = encoded_value
-
- params = json.dumps(bundle)
- connection = httplib.HTTPConnection(self.target_host)
- connection.request("POST", ("/api/wallets/%s/labels/batch.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
-
- response = connection.getresponse()
- if response.reason == httplib.responses[httplib.NOT_FOUND]:
- print_error('404 error' % e)
- return
+ def push_thread(self):
+ bundle = {"labels": {}}
+ for key, value in self.wallet.labels.iteritems():
try:
- response = json.loads(response.read())
- except ValueError as e:
- print_error('Error loading labelsync response: %s' % e)
- return False
-
- if "error" in response:
- print_error('Error loading labelsync response.')
- return False
-
- except socket.gaierror as e:
- print_error('Error connecting to service: %s ' % e)
- return False
-
- self.window.labelsChanged.emit()
+ encoded_key = self.encode(key)
+ encoded_value = self.encode(value)
+ except:
+ print_error('cannot encode', repr(key), repr(value))
+ continue
+ bundle["labels"][encoded_key] = encoded_value
- def do_full_pull(self, force = False):
- connection = httplib.HTTPConnection(self.target_host)
- connection.request("GET", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())),"", {'Content-Type': 'application/json'})
- response = connection.getresponse()
- if response.status != 200:
- print_error("Cannot retrieve labels:", response.status, response.reason)
- return
- response = json.loads(response.read())
- if "error" in response:
- raise BaseException(_("Could not sync labels: %s" % response["error"]))
+ response = self.do_request("POST", True, bundle)
+ self.window.emit(SIGNAL('labels:pushed'))
+ def pull_thread(self, force = False):
+ response = self.do_request("GET")
result = {}
for label in response:
try:
key = self.decode(label["external_id"])
- except:
- continue
- try:
value = self.decode(label["text"])
except:
continue
t@@ -249,6 +219,6 @@ class Plugin(BasePlugin):
for key, value in result.items():
if force or not wallet.labels.get(key):
wallet.labels[key] = value
- wallet.storage.put('labels', wallet.labels)
+
+ self.window.emit(SIGNAL('labels:pulled'))
print_error("received %d labels"%len(response))
- self.window.labelsChanged.emit()