scyther/gui/Gui/Misc.py
2013-10-05 23:56:12 +01:00

91 lines
2.5 KiB
Python

"""
Scyther : An automatic verifier for security protocols.
Copyright (C) 2007-2013 Cas Cremers
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""
#
# Misc.py
# Various helper functions
#---------------------------------------------------------------------------
""" Import externals """
import os.path
from subprocess import Popen,PIPE
#---------------------------------------------------------------------------
def confirm(question):
answer = ''
while answer not in ('y','n'):
print question,
answer = raw_input().lower()
return answer == 'y'
def exists(func,list):
return len(filter(func,list)) > 0
def forall(func,list):
return len(filter(func,list)) == len(list)
def uniq(li):
result = []
for elem in li:
if (not elem in result):
result.append(elem)
return result
# Return a sorted copy of a list
def sorted(li):
result = li[:]
result.sort()
return result
# path
def mypath(file):
""" Construct a file path relative to the scyther-gui main directory
"""
import os, inspect
# Determine base directory (taking symbolic links into account)
cmd_file = os.path.realpath(os.path.abspath(inspect.getfile( inspect.currentframe() )))
basedir = os.path.split(cmd_file)[0]
return os.path.join(basedir,file)
# commands: push data in, get fp.write out
def cmdpushwrite(cmd,data,fname):
"""
Feed stdin data to cmd, write the output to a freshly created file
'fname'. The file is flushed and closed at the end.
"""
fp = open(fname,'w')
# execute command
p = Popen(cmd, shell=True, stdin=PIPE, stdout=PIPE)
(cin,cout) = (p.stdin, p.stdout)
cin.write(data)
cin.close()
for l in cout.read():
fp.write(l)
cout.close()
fp.flush()
fp.close()
#---------------------------------------------------------------------------
# vim: set ts=4 sw=4 et list lcs=tab\:>-: