scyther/gui/Scyther.py
2006-08-07 09:31:49 +00:00

143 lines
3.6 KiB
Python
Executable File

#!/usr/bin/python
#
# Scyther interface
#
#---------------------------------------------------------------------------
""" Import externals """
import os
import sys
import StringIO
import tempfile
#---------------------------------------------------------------------------
""" Import scyther components """
import XMLReader
from Misc import *
#---------------------------------------------------------------------------
class Scyther(object):
def __init__ ( self):
# Where is my executable?
if sys.platform.startswith('win'):
""" Windows """
# TODO hardcoded for now, bad
self.program = "c:\\Scyther.exe"
if not os.path.isfile(self.program):
print "I can't find the Scyther executable at %s" % (self.program)
else:
""" Non-windows """
self.program = "scyther"
self.options = ""
self.spdl = None
self.inputfile = None
self.claims = None
self.errors = None
self.errorcount = 0
def setInput(self,spdl):
self.spdl = spdl
self.inputfile = None
def setFile(self,filename):
self.inputfile = filename
self.spdl = ""
fp = open(filename,"r")
for l in fp.readlines():
self.spdl += l
fp.close()
def verify(self):
# Run Scyther on temp file
self.cmd = "%s --dot-output --xml-output --plain %s" % (self.program,self.options)
(stdin,stdout,stderr) = os.popen3(self.cmd)
if self.spdl:
stdin.write(self.spdl)
stdin.close()
# In the order below, or stuff breaks (hangs), as described at
# http://mail.python.org/pipermail/python-dev/2000-September/009460.html
#
# TODO this is annoying: we would like to determine progress
# from the error output (maybe this can also be done by flushing
# the XML at certain points...)
xmlinput = stdout.read()
self.errors = stderr.readlines()
# filter out any non-errors (say maybe only claim etc) and count
# them.
# TODO for now this simply counts the lines
self.errorcount = len(self.errors)
# close
stdout.close()
stderr.close()
if len(xmlinput) > 0:
xmlfile = StringIO.StringIO(xmlinput)
reader = XMLReader.XMLReader()
self.claims = reader.readXML(xmlfile)
else:
# no output...
self.claims = []
return self.claims
def __str__(self):
if self.claims:
s = ""
for cl in self.claims:
s += str(cl) + "\n"
return s
else:
return "Scyther has not been run yet."
def basicTest():
# Some basic testing
#if sys.platform.startswith('win'):
# print "Dir test"
# p = os.popen("dir")
# print p.read()
# print p.close()
# confirm("See the dir?")
# Scyther
x = Scyther()
if sys.platform.startswith('win'):
x.program = "Scyther.exe"
if not os.path.isfile(x.program):
print "I can't find the Scyther executable %s" % (x.program)
pw,pr = os.popen2("%s --help" % x.program)
pw.close()
print pr.read()
confirm("Do you see the help?")
x.setFile("ns3.spdl")
x.verify()
print x
confirm("See the output?")
def simpleRun(args):
x = Scyther()
x.options = args
x.verify()
return x
if __name__ == '__main__':
pars = sys.argv[1:]
if len(pars) == 0:
basicTest()
else:
print simpleRun(" ".join(pars))