320 lines
13 KiB
Python
320 lines
13 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright(C) 2010 Romain Bignon
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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from PyQt4.QtGui import QDialog, QTreeWidgetItem, QLabel, QLineEdit, QCheckBox, \
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QMessageBox, QPixmap, QImage, QIcon, QHeaderView, \
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QListWidgetItem, QTextDocument, QComboBox
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from PyQt4.QtCore import SIGNAL, Qt, QVariant, QUrl
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import re
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from logging import warning
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from weboob.tools.application.qt.backendcfg_ui import Ui_BackendCfg
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class BackendCfg(QDialog):
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def __init__(self, weboob, caps=None, parent=None):
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QDialog.__init__(self, parent)
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self.ui = Ui_BackendCfg()
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self.ui.setupUi(self)
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self.to_unload = set()
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self.to_load = set()
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self.weboob = weboob
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self.caps = caps
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self.config_widgets = {}
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# This attribute is set when itemChanged it called, because when
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# a backend is enabled/disabled, we don't want to display its config
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# frame, and the itemClicked event is always emit just after a
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# itemChanged event.
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# is_enabling is a counter to prevent race conditions.
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self.is_enabling = 0
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self.weboob.modules_loader.load_all()
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self.ui.configuredBackendsList.header().setResizeMode(QHeaderView.ResizeToContents)
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self.ui.configFrame.hide()
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for name, backend in self.weboob.modules_loader.loaded.iteritems():
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if not self.caps or backend.has_caps(*self.caps):
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item = QListWidgetItem(name.capitalize())
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if backend.icon_path:
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img = QImage(backend.icon_path)
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item.setIcon(QIcon(QPixmap.fromImage(img)))
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self.ui.backendsList.addItem(item)
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self.loadConfiguredBackendsList()
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self.connect(self.ui.configuredBackendsList, SIGNAL('itemClicked(QTreeWidgetItem *, int)'), self.configuredBackendClicked)
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self.connect(self.ui.configuredBackendsList, SIGNAL('itemChanged(QTreeWidgetItem *, int)'), self.configuredBackendEnabled)
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self.connect(self.ui.backendsList, SIGNAL('itemSelectionChanged()'), self.backendSelectionChanged)
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self.connect(self.ui.proxyBox, SIGNAL('toggled(bool)'), self.proxyEditEnabled)
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self.connect(self.ui.addButton, SIGNAL('clicked()'), self.addEvent)
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self.connect(self.ui.removeButton, SIGNAL('clicked()'), self.removeEvent)
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self.connect(self.ui.configButtonBox, SIGNAL('accepted()'), self.acceptBackend)
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self.connect(self.ui.configButtonBox, SIGNAL('rejected()'), self.rejectBackend)
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def loadConfiguredBackendsList(self):
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self.ui.configuredBackendsList.clear()
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for instance_name, name, params in self.weboob.backends_config.iter_backends():
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backend = self.weboob.modules_loader.get_or_load_module(name)
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if not backend or self.caps and not backend.has_caps(*self.caps):
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continue
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item = QTreeWidgetItem(None, [instance_name, name])
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item.setCheckState(0, Qt.Checked if params.get('_enabled', '1').lower() in ('1', 'y', 'true') else Qt.Unchecked)
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if backend.icon_path:
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img = QImage(backend.icon_path)
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item.setIcon(0, QIcon(QPixmap.fromImage(img)))
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self.ui.configuredBackendsList.addTopLevelItem(item)
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def configuredBackendEnabled(self, item, col):
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self.is_enabling += 1
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instname = unicode(item.text(0))
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bname = unicode(item.text(1))
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if item.checkState(0) == Qt.Checked:
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self.to_load.add(instname)
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enabled = '1'
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else:
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self.to_unload.add(instname)
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try:
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self.to_load.remove(instname)
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except KeyError:
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pass
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enabled = '0'
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self.weboob.backends_config.edit_backend(instname, bname, {'_enabled': enabled})
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def configuredBackendClicked(self, item, col):
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if self.is_enabling:
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self.is_enabling -= 1
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return
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bname = unicode(item.text(0))
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self.editBackend(bname)
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def addEvent(self):
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self.editBackend()
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def removeEvent(self):
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item = self.ui.configuredBackendsList.currentItem()
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if not item:
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return
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bname = unicode(item.text(0))
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reply = QMessageBox.question(self, self.tr('Remove a backend'),
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unicode(self.tr("Are you sure you want to remove the backend '%s'?")) % bname,
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QMessageBox.Yes|QMessageBox.No)
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if reply != QMessageBox.Yes:
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return
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self.weboob.backends_config.remove_backend(bname)
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self.to_unload.add(bname)
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try:
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self.to_load.remove(bname)
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except KeyError:
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pass
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self.ui.configFrame.hide()
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self.loadConfiguredBackendsList()
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def editBackend(self, bname=None):
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self.ui.configFrame.show()
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if bname is not None:
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mname, params = self.weboob.backends_config.get_backend(bname)
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items = self.ui.backendsList.findItems(mname, Qt.MatchFixedString)
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if not items:
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warning('Backend not found')
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else:
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self.ui.backendsList.setCurrentItem(items[0])
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self.ui.backendsList.setEnabled(False)
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self.ui.nameEdit.setText(bname)
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self.ui.nameEdit.setEnabled(False)
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if '_proxy' in params:
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self.ui.proxyBox.setChecked(True)
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self.ui.proxyEdit.setText(params.pop('_proxy'))
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else:
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self.ui.proxyBox.setChecked(False)
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self.ui.proxyEdit.clear()
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params.pop('_enabled', None)
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for key, value in params.iteritems():
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l, widget = self.config_widgets[key]
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if isinstance(widget, QLineEdit):
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widget.setText(unicode(value))
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elif isinstance(widget, QCheckBox):
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widget.setChecked(value.lower() in ('1', 'true', 'yes', 'on'))
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elif isinstance(widget, QComboBox):
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for i in xrange(widget.count()):
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if unicode(widget.itemData(i).toString()) == value:
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widget.setCurrentIndex(i)
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break
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else:
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warning('Unknown type field "%s": %s', key, widget)
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else:
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self.ui.nameEdit.clear()
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self.ui.nameEdit.setEnabled(True)
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self.ui.proxyBox.setChecked(False)
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self.ui.proxyEdit.clear()
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self.ui.backendsList.setEnabled(True)
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self.ui.backendsList.setCurrentRow(-1)
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def acceptBackend(self):
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bname = unicode(self.ui.nameEdit.text())
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selection = self.ui.backendsList.selectedItems()
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if not selection:
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QMessageBox.critical(self, self.tr('Unable to add a configured backend'),
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self.tr('Please select a backend'))
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return
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backend = self.weboob.modules_loader.get_or_load_module(unicode(selection[0].text()).lower())
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if not backend:
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QMessageBox.critical(self, self.tr('Unable to add a configured backend'),
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self.tr('The selected backend does not exist.'))
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return
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params = {}
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missing = []
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if not bname:
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missing.append(self.tr('Name'))
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if self.ui.proxyBox.isChecked():
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params['_proxy'] = unicode(self.ui.proxyEdit.text())
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if not params['_proxy']:
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missing.append(self.tr('Proxy'))
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for key, field in backend.config.iteritems():
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label, value = self.config_widgets[key]
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if isinstance(value, QLineEdit):
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params[key] = unicode(value.text())
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elif isinstance(value, QCheckBox):
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params[key] = '1' if value.isChecked() else '0'
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elif isinstance(value, QComboBox):
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params[key] = unicode(value.itemData(value.currentIndex()).toString())
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else:
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warning('Unknown type field "%s": %s', key, value)
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if not params[key]:
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params[key] = field.default
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if not params[key]:
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missing.append(field.description)
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elif field.regexp and not re.match(field.regexp, params[key]):
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QMessageBox.critical(self,
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self.tr('Invalid value'),
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unicode(self.tr('Invalid value for field "%s":\n\n%s')) % (field.description, params[key]))
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return
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if missing:
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QMessageBox.critical(self,
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self.tr('Missing fields'),
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unicode(self.tr('Please set a value in this fields:\n%s')) % ('\n'.join(['- %s' % s for s in missing])))
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return
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self.weboob.backends_config.add_backend(bname, backend.name, params, edit=not self.ui.nameEdit.isEnabled())
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self.to_load.add(bname)
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self.ui.configFrame.hide()
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self.loadConfiguredBackendsList()
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def rejectBackend(self):
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self.ui.configFrame.hide()
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def backendSelectionChanged(self):
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for key, (label, value) in self.config_widgets.iteritems():
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label.hide()
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value.hide()
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self.ui.configLayout.removeWidget(label)
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self.ui.configLayout.removeWidget(value)
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label.deleteLater()
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value.deleteLater()
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self.config_widgets = {}
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self.ui.backendInfo.clear()
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selection = self.ui.backendsList.selectedItems()
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if not selection:
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return
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backend = self.weboob.modules_loader.loaded[unicode(selection[0].text()).lower()]
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if backend.icon_path:
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img = QImage(backend.icon_path)
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self.ui.backendInfo.document().addResource(QTextDocument.ImageResource, QUrl('mydata://logo.png'), QVariant(img))
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self.ui.backendInfo.setText(unicode(self.tr(
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'<h1>%s Backend %s</h1>'
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'<b>Version</b>: %s<br />'
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'<b>Maintainer</b>: %s<br />'
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'<b>License</b>: %s<br />'
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'%s'
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'<b>Description</b>: %s<br />'
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'<b>Capabilities</b>: %s<br />'))
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% ('<img src="mydata://logo.png" />' if backend.icon_path else '',
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backend.name.capitalize(),
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backend.version,
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backend.maintainer.replace('&', '&').replace('<', '<').replace('>', '>'),
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backend.license,
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(unicode(self.tr('<b>Website</b>: %s<br />')) % backend.website) if backend.website else '',
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backend.description,
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', '.join([cap.__name__ for cap in backend.iter_caps()])))
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for key, field in backend.config.iteritems():
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label = QLabel(u'%s:' % field.description)
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if isinstance(field.default, bool):
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value = QCheckBox()
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if field.default:
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value.setChecked(True)
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elif field.choices:
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value = QComboBox()
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for k, l in (field.choices.iteritems() if isinstance(field.choices, dict) else ((k,k) for k in field.choices)):
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value.addItem(l, QVariant(k))
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else:
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value = QLineEdit()
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if field.default is not None:
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value.setText(unicode(field.default))
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if field.is_masked:
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value.setEchoMode(value.Password)
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self.ui.configLayout.addRow(label, value)
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self.config_widgets[key] = (label, value)
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def proxyEditEnabled(self, state):
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self.ui.proxyEdit.setEnabled(state)
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def run(self):
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self.exec_()
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ret = (len(self.to_load) > 0 or len(self.to_unload) > 0)
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self.weboob.unload_backends(self.to_unload)
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self.weboob.load_backends(names=self.to_load)
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return ret
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