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annotate find.py @ 46:a6e5c97b4767

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Add noise test
author Daniel O'Connor <darius@dons.net.au>
date Thu, 20 Dec 2012 11:48:19 +1030
parents df1b4d7e988f
children 91b476ebc0f2
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7d76b1d70096 Add file to generate stats on data files.
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1 #!/usr/bin/env python
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2
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3 import datafile
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4 import getopt
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5 import numpy
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6 import sys
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7
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8 if __name__ == "__main__":
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9 opts, args = getopt.getopt(sys.argv[1:], "e:hm:s")
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10
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11 minlev = None
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12 exptag = None
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13 dostats = False
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14 for o, a in opts:
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15 if o == "-h":
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16 print """Find data files with certain characteristics
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17
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18 %s [-h] [-e exp] [-m min] [-s] file [file ..]
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19 exp Limit to experiment tag exp
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20 min Find files with power greater than min
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21 -s Print stats about files
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22 """
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23 elif o == "-e":
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24 exptag = a
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25 elif o == "-m":
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26 minlev = float(a)
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27 elif o == "-s":
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28 dostats = True
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29 else:
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30 print "Unknown option " + o
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31 sys.exit(1)
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32
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33 if len(args) == 0:
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34 print "Need at least one file to analyse"
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35 sys.exit(1)
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36
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37 minfiles = []
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38 if dostats:
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39 print "%-50s %7s %7s %7s (dBm)" % ("Name", "Min", "Mean", "Max")
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40 for fn in args:
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41 dfile = datafile.DataFile(fn)
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42
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43 if exptag != None and dfile['TAG'] != exptag:
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44 continue
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45
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46 if minlev != None:
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47 if reduce(lambda x, y: x or y, dfile.powers > minlev):
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48 minfiles.append(fn)
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49
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50 if dostats:
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51 print "%-50s %7.2f %7.2f %7.2f" % (fn, dfile.powers.min(), dfile.powers.mean(), dfile.powers.max())
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52
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53 if minlev != None:
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54 if dostats:
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55 print ""
41
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56 print "Files with any sample exceeding %.2f dBm:" % (minlev)
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57 for fn in minfiles:
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58 print fn
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