Mercurial > hg
annotate tests/check-perf-code.py @ 49603:3eda36e9b3d6 stable
matcher: fix issues regex flag contained in pattern (issue6759)
Python 3.11 is now enforcing that flag must be at the beginning of the regex
This creates a serious regression for people using Python 3.11 with an hgignore
using flag in a "relre" pattern.
We now detect any flags in such pattern and "prepend" our ".*" pattern after them.
In addition, we now insert the flag in the regexp to only affect the pattern we
are rewriting. Otherwise, the regex built from the combined pattern would these
flags in the middle of it anyway.
As a side effect of this last change, we fix a bug… before this change regex
flag in a pattern would affect all combined patterns. That was bad and is not
longer the case.
The Rust code needs to be updated to fix that very bug, but we will do it in
another changeset.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 16 Nov 2022 13:05:01 +0100 |
parents | 6000f5b25c9b |
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rev | line source |
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1 #!/usr/bin/env python3 |
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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 |
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6 import os |
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7 import sys |
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8 |
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9 # write static check patterns here |
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10 perfpypats = [ |
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11 [ |
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12 ( |
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13 r'(branchmap|repoview|repoviewutil)\.subsettable', |
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14 "use getbranchmapsubsettable() for early Mercurial", |
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15 ), |
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16 ( |
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17 r'\.(vfs|svfs|opener|sopener)', |
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18 "use getvfs()/getsvfs() for early Mercurial", |
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19 ), |
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20 ( |
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21 r'ui\.configint', |
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22 "use getint() instead of ui.configint() for early Mercurial", |
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23 ), |
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24 ], |
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25 # warnings |
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26 [], |
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27 ] |
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28 |
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29 |
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30 def modulewhitelist(names): |
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31 replacement = [ |
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32 ('.py', ''), |
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33 ('.c', ''), # trim suffix |
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34 ('mercurial%s' % '/', ''), # trim "mercurial/" path |
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35 ] |
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36 ignored = {'__init__'} |
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37 modules = {} |
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38 |
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39 # convert from file name to module name, and count # of appearances |
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40 for name in names: |
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41 name = name.strip() |
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42 for old, new in replacement: |
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43 name = name.replace(old, new) |
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44 if name not in ignored: |
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45 modules[name] = modules.get(name, 0) + 1 |
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46 |
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47 # list up module names, which appear multiple times |
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48 whitelist = [] |
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49 for name, count in modules.items(): |
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50 if count > 1: |
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51 whitelist.append(name) |
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52 |
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53 return whitelist |
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54 |
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56 if __name__ == "__main__": |
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57 # in this case, it is assumed that result of "hg files" at |
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58 # multiple revisions is given via stdin |
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59 whitelist = modulewhitelist(sys.stdin) |
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60 assert whitelist, "module whitelist is empty" |
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61 |
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62 # build up module whitelist check from file names given at runtime |
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63 perfpypats[0].append( |
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64 # this matching pattern assumes importing modules from |
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65 # "mercurial" package in the current style below, for simplicity |
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66 # |
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67 # from mercurial import ( |
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68 # foo, |
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69 # bar, |
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70 # baz |
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71 # ) |
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72 ( |
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73 ( |
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74 r'from mercurial import [(][a-z0-9, \n#]*\n(?! *%s,|^[ #]*\n|[)])' |
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75 % ',| *'.join(whitelist) |
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76 ), |
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77 "import newer module separately in try clause for early Mercurial", |
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78 ) |
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79 ) |
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80 |
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81 # import contrib/check-code.py as checkcode |
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82 assert 'RUNTESTDIR' in os.environ, "use check-perf-code.py in *.t script" |
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83 contribpath = os.path.join(os.environ['RUNTESTDIR'], '..', 'contrib') |
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84 sys.path.insert(0, contribpath) |
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85 checkcode = __import__('check-code') |
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86 |
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87 # register perf.py specific entry with "checks" in check-code.py |
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88 checkcode.checks.append( |
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89 ('perf.py', r'contrib/perf.py$', '', checkcode.pyfilters, perfpypats) |
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90 ) |
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91 |
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92 sys.exit(checkcode.main()) |