- Added simple scytherview (python only). Needs some further work to be

usable though.

gui/Bin/scytherview.py

@@ -0,0 +1,84 @@
+#!/usr/bin/python
+#
+# Convert scyther dot output to a printable PDF and display it
+#
+# This is a simple hack to be able to quickly use the graphical output
+# of Scyther if one only has graphviz, but not elementtree and wxPython.
+#
+# Notes: only works under Linux currently, because of silly assumptions
+# on temporary directories and pdf viewers.
+#
+import os,sys,commands
+import os.path
+
+tempcount = 0
+
+def generateTemp(extension='tmp'):
+    # We need a temporary file to hold the generated postscript stuff before
+    # it is converted to pdf
+    global tempcount
+
+    tempcount = tempcount + 1
+    tmp = '/tmp/output_dot_%s_%i.%s' % (os.getpid(),tempcount,extension)
+
+    try:
+        os.unlink(tmp)
+    except:
+        pass
+    return tmp
+
+def scyther_to_dotfile():
+    """ Run Scyther, return dotfile name """
+
+    scythername = os.path.join(os.path.dirname(__file__),"scyther-linux")
+    args = " ".join(sys.argv[1:])
+    tmpdotfile = generateTemp('dot')
+
+    command = "%s --plain --dot-output %s > %s" % (scythername, args, tmpdotfile)
+    output = commands.getoutput(command)
+    return (output,tmpdotfile)
+
+def dotfile_to_pdffile(dotfile,outfile=None):
+    """ Generate a PDF file (name is returned) from an input dotfile
+    name """
+
+    tmp = generateTemp('ps')
+
+    # First split the input per digraph and call dot with -Gsize arguments to make
+    # it fit to a landscape page
+    dotdata = open(dotfile, "r")
+    f = None
+    for line in dotdata.xreadlines():
+        if (line.find('digraph') == 0):
+            f = os.popen("dot -Gsize='11.0,8.0' -Gratio=fill -Tps >>%s" % (tmp),'w')
+        print >>f, line
+    dotdata.close()
+
+    if not f:
+        return None
+    f.close()
+
+    if not outfile:
+        outfile = generateTemp('pdf')
+
+    # Now convert the resulting stuff to a pdf
+    os.system('ps2pdf -sPAPERSIZE=a4 -g7014x5300 -r600 %s %s' % (tmp,outfile))
+    #os.system('ps2pdf -g8300x6250 -r600 %s %s' % (tmp,outf))
+
+    # And remove the temp file
+    os.unlink(tmp)
+
+    return outfile
+
+def main():
+    (output,dotfile) = scyther_to_dotfile()
+    print output
+    pdffile = dotfile_to_pdffile(dotfile)
+    os.unlink(dotfile)
+    if pdffile:
+        commands.getoutput("xpdf %s" % pdffile)
+        os.unlink(pdffile)
+    else:
+        print "No graphs generated."
+
+main()