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annotate tests/check-perf-code.py @ 29571:d1a7d9c279bb

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tests: check importing modules in perf.py for historical portability To check importing modules in perf.py for historical portability, this patch lists up files by "hg files" both for "1.2" and tip, and builds up "module whitelist" check from those files. This patch uses "1.2" as earlier side version of "module whitelist", because "mercurial.error" module is a blocker for loading perf.py with Mercurial earlier than 1.2, and just importing "mercurial.error" separately isn't enough.
author FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
date Fri, 20 May 2016 09:47:35 +0900
parents cbd240188e4e
children 14031d183048
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2 #
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3 # check-perf-code - (historical) portability checker for contrib/perf.py
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4
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5 from __future__ import absolute_import
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6
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7 import os
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8 import sys
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9
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10 # write static check patterns here
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11 perfpypats = [
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12 [
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13 ],
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14 # warnings
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15 [
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16 ]
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17 ]
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18
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19 def modulewhitelist(names):
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20 replacement = [('.py', ''), ('.c', ''), # trim suffix
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21 ('mercurial%s' % (os.sep), ''), # trim "mercurial/" path
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22 ]
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23 ignored = set(['__init__'])
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24 modules = {}
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25
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26 # convert from file name to module name, and count # of appearances
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27 for name in names:
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28 name = name.strip()
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29 for old, new in replacement:
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30 name = name.replace(old, new)
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31 if name not in ignored:
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32 modules[name] = modules.get(name, 0) + 1
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33
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34 # list up module names, which appear multiple times
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35 whitelist = []
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36 for name, count in modules.items():
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37 if count > 1:
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38 whitelist.append(name)
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39
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40 return whitelist
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41
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42 if __name__ == "__main__":
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43 # in this case, it is assumed that result of "hg files" at
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44 # multiple revisions is given via stdin
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45 whitelist = modulewhitelist(sys.stdin)
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46 assert whitelist, "module whitelist is empty"
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47
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48 # build up module whitelist check from file names given at runtime
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49 perfpypats[0].append(
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50 # this matching pattern assumes importing modules from
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51 # "mercurial" package in the current style below, for simplicity
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52 #
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53 # from mercurial import (
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54 # foo,
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55 # bar,
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56 # baz
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57 # )
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58 ((r'from mercurial import [(][a-z0-9, \n#]*\n(?! *%s,|^[ #]*\n|[)])'
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59 % ',| *'.join(whitelist)),
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60 "import newer module separately in try clause for early Mercurial"
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61 ))
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62
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63 # import contrib/check-code.py as checkcode
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64 assert 'RUNTESTDIR' in os.environ, "use check-perf-code.py in *.t script"
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65 contribpath = os.path.join(os.environ['RUNTESTDIR'], '..', 'contrib')
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66 sys.path.insert(0, contribpath)
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67 checkcode = __import__('check-code')
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68
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69 # register perf.py specific entry with "checks" in check-code.py
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70 checkcode.checks.append(('perf.py', r'contrib/perf.py$', '',
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71 checkcode.pyfilters, perfpypats))
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72
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73 sys.exit(checkcode.main())