X-Git-Url: http://git.onelab.eu/?p=sface.git;a=blobdiff_plain;f=sface%2Fscreens%2Fmainscreen.py;h=15f0ed019aa261b662c8cb1ff0e56b4e242ab697;hp=f566b9913e44c064eba556eba9b81a485aefef00;hb=69b247b9b7075f35257193dbb7df919ce6befa9e;hpb=e095c7423002644d129cef273f3a63646903b788
diff --git a/sface/screens/mainscreen.py b/sface/screens/mainscreen.py
index f566b99..15f0ed0 100644
--- a/sface/screens/mainscreen.py
+++ b/sface/screens/mainscreen.py
@@ -1,15 +1,17 @@
-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 SliceWidget(QWidget):
- def __init__(self, parent=None):
+ def __init__(self, parent):
QWidget.__init__(self, parent)
self.nodeView = QTreeView(self)
@@ -24,48 +26,52 @@ class SliceWidget(QWidget):
self.nodeView.setModel(self.nodeModel)
- label = QLabel("Refresh", self)
- label.setScaledContents(False)
- self.connect(label, SIGNAL('linkActivated(QString)'), self.refresh)
-
+ refresh = QLabel("Refresh", 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("Slice not set yet!")
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)
+
+ 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("Slice data updated.")
+ self.updateView()
+
+ def updateView(self):
+ rspec_string = self.readSliceRSpec()
+ networks = rspec_get_networks(rspec_string)
networks.reverse()
for network in networks:
@@ -74,15 +80,15 @@ class SliceWidget(QWidget):
# 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)
+ xml_nodes = 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)
+ 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)
+ self.addNode(network, xml_node.xpath('hostname/text()')[0],True)
def addNode(self, testbed, hostname, mark):
@@ -94,11 +100,9 @@ class SliceWidget(QWidget):
self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg))
-
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()