[freehaven-cvs] Add a script to post-process analyzed results into a...

[nickm@seul.org (Nick Mathewson)]

Update of /home/freehaven/cvsroot/doc/e2e-traffic/src
In directory moria.mit.edu:/tmp/cvs-serv4749

Added Files:
	postproc.py 
Log Message:
Add a script to post-process analyzed results into a gnuplot-friendly format

--- NEW FILE: postproc.py ---
#!/usr/bin/python
# post-process a results file

import re

def val(s):
    try:
        return float(s)
    except ValueError:
        return s

def pp(fn, xvar, yvar, gvars):
    f = open(fn, 'r')
    data = {}
    for line in f.xreadlines():
        line = re.sub(r':\s*',':', line)
        line = line.replace("%","")
        items = line.split()
        xval=yval=None
        gvals = []
        for item in items:
            c = item.split(":")
            if len(c) == 2:
                if c[0] == xvar:
                    xval = float(c[1])
                elif c[0] == yvar:
                    yval = float(c[1])
                elif c[0] in gvars:
                    gvals.append((gvars.index(c[0]),c[0],val(c[1])))
        gvals.sort()
        if xval == None:
            print "missing",xvar
            continue
        if yval == None:
            print "missing",yvar
            continue
        data.setdefault(tuple(gvals), []).append((xval,yval))
    ks = data.keys()
    ks.sort()
    for group in ks:
        print
        print "# ","; ".join(["%s=%s"%(k,v) for idx,k,v in group])
        d = data[group]
        d.sort()
        for x,y in d:
            print x,y

if __name__ == '__main__':
    import sys
    fn = sys.argv[1]
    xv = sys.argv[2]
    yv = sys.argv[3]
    gv = sys.argv[4:]
    print "# Post-processed from",fn
    print "# x variable:",xv
    print "# y variable:",yv
    print "# grouped by:",gv
    pp(fn,xv,yv,gv)

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