6 from PyQt4.QtCore import *
7 from sface.config import config
9 def find_executable(exec_name):
10 """find the given executable in $PATH"""
11 paths = os.getenv("PATH").split(':')
13 exec_path = os.path.join(p, exec_name)
14 if os.path.exists(exec_path):
19 class SfiProcess(QObject):
20 def __init__(self, parent=None):
21 QObject.__init__(self, parent)
23 self.process = QProcess()
24 self.connect(self.process, SIGNAL("finished(int, QProcess::ExitStatus)"),
27 def __init_command(self, args):
28 self.args = QStringList()
30 self.args << QString(arg)
32 self.exe = find_executable("sfi.py")
34 print "FATAL.. Could not locate binary sfi.py - not much we can do without that"
37 return self.process.state() != QProcess.NotRunning
39 def processFinished(self):
40 if self.process.exitStatus() == QProcess.CrashExit:
41 print self.readOutput()
42 print "Process exited with errors:",
43 err = self.process.error()
44 if err == QProcess.FailedToStart:
46 elif err == QProcess.Crashed:
48 elif err == QProcess.Timedout:
50 elif err == QProcess.WriteError:
52 elif err == QProcess.ReadError:
54 elif err == QProcess.UnknownError:
57 self.emit(SIGNAL("finished()"))
59 def __getRSpec(self, mgr):
60 slice = config.getSlice()
61 # Write RSpec to file for testing.
62 filename = os.path.expanduser("~/.sfi/" + slice + ".rspec")
67 args = ["-u", config.getUser(), "-a", config.getAuthority(),
68 "-r", config.getRegistry(), "-s", mgr, "resources",
69 "-o", filename, slice]
71 self.__init_command(args)
75 def getRSpecFromSM(self):
76 return self.__getRSpec(config.getSlicemgr())
78 def getRSpecFromAM(self):
79 return self.__getRSpec(config.getAggmgr())
81 def getRecord(self, hrn):
82 args = ["-u", config.getUser(), "-a", config.getAuthority(),
83 "-r", config.getRegistry(), "-s", config.getSlicemgr(), "show", hrn]
84 self.__init_command(args)
87 def applyRSpec(self, rspec):
88 filename = config.getSliceRSpecFile() + "_new"
90 args = ["-u", config.getUser(), "-a", config.getAuthority(),
91 "-r", config.getRegistry(), "-s", config.getSlicemgr(), "create",
92 config.getSlice(), filename]
93 self.__init_command(args)
99 self.process.start(self.exe, self.args)
101 def readOutput(self):
102 if self.process.state() == QProcess.NotRunning:
103 return self.process.readAll()
105 def trace_command (self):
107 self._trace=time.time()
108 command = "%s %s" % (self.exe, self.args.join(" "))
109 print time.strftime('%M:%S'),'Invoking',command
111 def trace_end (self):
113 command = "%s %s" % (self.exe, self.args.join(" "))
114 print time.strftime('%M:%S'),"[%.3f s]"%(time.time()-self._trace),command,'Done'