-from PyQt4.QtCore import Qt, QString, SIGNAL
-from PyQt4.QtGui import QWidget, QLabel, QTreeView, QStandardItemModel, QVBoxLayout, QSizePolicy
+import os
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
from sfa.util.rspecHelper import RSpec
-
+from sface.sfahelper import *
from sface.sficonfig import config
+from sface.sfiprocess import SfiProcess
from sface.screens.sfascreen import SfaScreen
+class NodeView(QTreeView):
+ def __init__(self, parent):
+ QTreeView.__init__(self, parent)
-class SliceWidget(QWidget):
- def __init__(self, parent=None):
- QWidget.__init__(self, parent)
+ self.setItemsExpandable(True)
+ self.setRootIsDecorated(True)
+ self.setAlternatingRowColors(True)
+ self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
- self.nodeView = QTreeView(self)
- self.nodeView.setRootIsDecorated(False)
- self.nodeView.setAlternatingRowColors(True)
- self.nodeView.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+class TreeItem:
+ def __init__(self, data, parent=None):
+ self.parentItem = parent
+ self.itemData = data
+ self.childItems = []
- self.nodeModel = QStandardItemModel(0, 3, self)
- self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed"))
- self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname"))
- self.nodeModel.setHeaderData(2, Qt.Horizontal, QString("IsIn"))
+ def clear(self):
+ for child in self.childItems:
+ child.clear()
+ del child
+ del self.childItems
+ self.childItems = []
- self.nodeView.setModel(self.nodeModel)
+ def appendChild(self, child):
+ self.childItems.append(child)
+
+ def child(self, row):
+ return self.childItems[row]
+
+ def childCount(self):
+ return len(self.childItems)
+
+ def columnCount(self):
+ return len(self.itemData)
+
+ def data(self, column):
+ return self.itemData[column]
+
+ def row(self):
+ if (self.parentItem):
+ try:
+ return self.parentItem.childItems.index(self)
+ except ValueError:
+ return 0
+ return 0
+
+ def parent(self):
+ return self.parentItem
+
+
+
+class NodeModel(QAbstractItemModel):
+ def __init__(self, parent):
+ QAbstractItemModel.__init__(self, parent)
+ self.__initRoot()
+
+ def clear(self):
+ self.rootItem.clear()
+ self.__initRoot()
+
+ def __initRoot(self):
+ self.rootItem = TreeItem([QString("Testbed"), QString("Hostname")])
+
+ def columnCount(self, parent):
+ if parent.isValid():
+ return parent.internalPointer().columnCount()
+ else:
+ return self.rootItem.columnCount()
+
+ def data(self, index, role):
+ if not index.isValid():
+ return QVariant()
+
+ if role != Qt.DisplayRole:
+ return QVariant()
+
+ item = index.internalPointer()
+ return item.data(index.column())
+
+ def headerData(self, section, orientation, role):
+ if orientation == Qt.Horizontal and role == Qt.DisplayRole:
+ return self.rootItem.data(section)
+ return QVariant()
+
+ def flags(self, index):
+ if not index.isValid():
+ return 0
+ return Qt.ItemIsEnabled | Qt.ItemIsSelectable
+
+ def index(self, row, column, parent):
+ if not self.hasIndex(row, column, parent):
+ return QModelIndex()
+
+ parentItem = None
+ if not parent.isValid():
+ parentItem = self.rootItem
+ else:
+ parentItem = parent.internalPointer()
+
+ childItem = parentItem.child(row)
+ if childItem:
+ return self.createIndex(row, column, childItem)
+ else:
+ return QModelIndex()
- label = QLabel("<a href='refresh'>Refresh</a>", self)
- label.setScaledContents(False)
- self.connect(label, SIGNAL('linkActivated(QString)'), self.refresh)
+ def parent(self, index):
+ if not index.isValid():
+ return QModelIndex()
+ childItem = index.internalPointer()
+ parentItem = childItem.parent()
+
+ if not parentItem:
+ return QModelIndex()
+
+ if parentItem is self.rootItem:
+ return QModelIndex()
+
+ return self.createIndex(parentItem.row(), 0, parentItem)
+
+ def rowCount(self, parent):
+ if parent.column() > 0:
+ return 0
+
+ parentItem = None
+ if not parent.isValid():
+ parentItem = self.rootItem
+ else:
+ parentItem = parent.internalPointer()
+
+ return parentItem.childCount()
+
+
+class SliceWidget(QWidget):
+ def __init__(self, parent):
+ QWidget.__init__(self, parent)
+
+ self.nodeView = NodeView(self)
+ self.nodeModel = NodeModel(self)
+ self.nodeView.setModel(self.nodeModel)
+
+ refresh = QLabel("<a href='refresh'>Refresh</a>", self)
+ refresh.setScaledContents(False)
slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self)
+ slicename.setScaledContents(False)
+
+ hlayout = QHBoxLayout()
+ hlayout.addWidget(slicename)
+ hlayout.addStretch()
+ hlayout.addWidget(refresh)
layout = QVBoxLayout()
- layout.addWidget(label)
- layout.addWidget(slicename)
+ layout.addLayout(hlayout)
layout.addWidget(self.nodeView)
self.setLayout(layout)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
+
+ self.connect(refresh, SIGNAL('linkActivated(QString)'), self.refresh)
+
+ rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
+ if os.path.exists(rspec_file):
+ self.updateView()
-
- # TODO: use the methods from sfa-trunk
- def rspec_get_networks(self, rspec_string):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name]/@name")
- def rspec_get_xml_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name='%s']/site/node" % network)
- def rspec_get_sliver_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name='%s']/site/node[sliver]/hostname/text()" % network)
- def rspec_get_other_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- # xxx todo - could not find the xpath syntax for 'does not have the sliver attribute'
- return rspec.rspec.xpath("./network[@name='%s']/site/node[~sliver]/hostname/text()" % network)
+ def readSliceRSpec(self):
+ rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
+ xml = open(rspec_file).read()
+ return xml
def refresh(self, link=None):
- data = SfaData()
- if not data.getSlice():
- print 'slice not set yet'
+ if not config.getSlice():
+ self.parent().setStatus("<font color='red'>Slice not set yet!</font>")
return
- if not data.SFACE_DEBUG:
- rspec_string = data.getRSpecFromSM()
- else:
- print 'SFACE_DEBUG : using local file'
- import os
- rspec_string = open(os.path.expanduser("~/.sfi/%s.rspec"%data.getSlice())).read()
- networks = self.rspec_get_networks(rspec_string)
- networks.reverse()
+ self.process = SfiProcess()
+ outfile = self.process.getRSpecFromSM()
+ self.parent().setStatus("Updating slice data. This may take some time...")
+
+ self.connect(self.process, SIGNAL('finished()'), self.refreshFinished)
+
+ def refreshFinished(self):
+ del self.process
+ self.parent().setStatus("<font color='green'>Slice data updated.</font>")
+ self.updateView()
+
+ def updateView(self):
+ self.nodeModel.clear()
+ rspec_string = self.readSliceRSpec()
+ networks = rspec_get_networks(rspec_string)
for network in networks:
-# nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network)
-# for node in nodes: self.addNode(network, node, True)
-# nodes = self.rspec_get_other_nodes_from_network(rspec_string, network)
-# for node in nodes: self.addNode(network, node, False)
- # hacky - i'm just gettin used to this xml navigation stuff
- xml_nodes = self.rspec_get_xml_nodes_from_network(rspec_string, network)
- from lxml import etree
- # addNode inserts before, so let's start with the ones that are not in
- for xml_node in xml_nodes:
- if not xml_node.xpath('sliver'):
- self.addNode(network,xml_node.xpath('hostname/text()')[0],False)
- for xml_node in xml_nodes:
- if xml_node.xpath('sliver'):
- self.addNode(network,xml_node.xpath('hostname/text()')[0],True)
-
-
- def addNode(self, testbed, hostname, mark):
- self.nodeModel.insertRow(0)
- self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
- self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
- if mark:msg="x"
- else: msg="-"
- self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg))
+ networkItem = TreeItem([QString(network), QString("")], self.nodeModel.rootItem)
+
+ all_nodes = rspec_get_nodes_from_network(rspec_string, network)
+ for node in all_nodes:
+ nodeItem = TreeItem([QString(""), QString(node)], networkItem)
+ networkItem.appendChild(nodeItem)
+
+ self.nodeModel.rootItem.appendChild(networkItem)
+ self.nodeView.expandAll()
class MainScreen(SfaScreen):
- def __init__(self, parent=None):
+ def __init__(self, parent):
SfaScreen.__init__(self, parent)
slice = SliceWidget(self)
self.init(slice, "Main Window", "PlanetLab Federation GUI")
-# slice.refresh()
git://git.onelab.eu / sface.git / blobdiff