Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/gprof2html.py @ 49955:878d40468c4e legacy-trunk

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Issue #4384: Added logging integration with warnings module using captureWarnings(). This change includes a NullHandler which does nothing; it will be of use to library developers who want to avoid the "No handlers could be found for logger XXX" message which can appear if the library user doesn't configure logging.
author Vinay Sajip <vinay_sajip@yahoo.co.uk>
date Wed, 03 Dec 2008 23:22:58 +0000
parents 981fff7363b9
children 0c308d65d7bc fcfe324663a6
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1 #! /usr/bin/env python2.3
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2
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3 """Transform gprof(1) output into useful HTML."""
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4
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5 import re, os, sys, cgi, webbrowser
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6
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7 header = """\
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8 <html>
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9 <head>
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10 <title>gprof output (%s)</title>
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11 </head>
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12 <body>
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13 <pre>
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14 """
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15
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16 trailer = """\
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17 </pre>
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18 </body>
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19 </html>
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20 """
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21
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22 def add_escapes(input):
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23 for line in input:
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24 yield cgi.escape(line)
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25
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26 def main():
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27 filename = "gprof.out"
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28 if sys.argv[1:]:
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29 filename = sys.argv[1]
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30 outputfilename = filename + ".html"
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31 input = add_escapes(file(filename))
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32 output = file(outputfilename, "w")
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33 output.write(header % filename)
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34 for line in input:
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35 output.write(line)
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36 if line.startswith(" time"):
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37 break
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38 labels = {}
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39 for line in input:
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40 m = re.match(r"(.* )(\w+)\n", line)
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41 if not m:
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42 output.write(line)
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43 break
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44 stuff, fname = m.group(1, 2)
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45 labels[fname] = fname
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46 output.write('%s<a name="flat:%s" href="#call:%s">%s</a>\n' %
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47 (stuff, fname, fname, fname))
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48 for line in input:
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49 output.write(line)
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50 if line.startswith("index % time"):
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51 break
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52 for line in input:
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53 m = re.match(r"(.* )(\w+)(( &lt;cycle.*&gt;)? \[\d+\])\n", line)
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54 if not m:
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55 output.write(line)
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56 if line.startswith("Index by function name"):
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57 break
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58 continue
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59 prefix, fname, suffix = m.group(1, 2, 3)
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60 if fname not in labels:
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61 output.write(line)
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62 continue
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63 if line.startswith("["):
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64 output.write('%s<a name="call:%s" href="#flat:%s">%s</a>%s\n' %
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65 (prefix, fname, fname, fname, suffix))
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66 else:
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67 output.write('%s<a href="#call:%s">%s</a>%s\n' %
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68 (prefix, fname, fname, suffix))
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69 for line in input:
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70 for part in re.findall(r"(\w+(?:\.c)?|\W+)", line):
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71 if part in labels:
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72 part = '<a href="#call:%s">%s</a>' % (part, part)
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73 output.write(part)
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74 output.write(trailer)
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75 output.close()
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76 webbrowser.open("file:" + os.path.abspath(outputfilename))
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77
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78 if __name__ == '__main__':
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79 main()