Mercurial > hg
annotate tests/fakedirstatewritetime.py @ 42747:760a7851e9ba
rust-parsers: move parser bindings to their own file and Python module
This tidies up the Rust side while simplifying the Python side.
Differential Revision: https://phab.mercurial-scm.org/D6627
author | Raphaël Gomès <rgomes@octobus.net> |
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date | Wed, 10 Jul 2019 10:16:28 +0200 |
parents | 9c6c0f736e1d |
children | 2372284d9457 |
rev | line source |
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1 # extension to emulate invoking 'dirstate.write()' at the time |
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2 # specified by '[fakedirstatewritetime] fakenow', only when |
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3 # 'dirstate.write()' is invoked via functions below: |
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4 # |
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5 # - 'workingctx._poststatusfixup()' (= 'repo.status()') |
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6 # - 'committablectx.markcommitted()' |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 from mercurial import ( |
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11 context, |
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12 dirstate, |
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13 extensions, |
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14 policy, |
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15 registrar, |
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16 ) |
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17 from mercurial.utils import dateutil |
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18 |
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19 try: |
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20 from mercurial import rustext |
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21 rustext.__name__ # force actual import (see hgdemandimport) |
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22 except ImportError: |
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23 rustext = None |
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24 |
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25 configtable = {} |
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26 configitem = registrar.configitem(configtable) |
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27 |
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28 configitem(b'fakedirstatewritetime', b'fakenow', |
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29 default=None, |
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30 ) |
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31 |
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32 parsers = policy.importmod(r'parsers') |
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33 rustmod = policy.importrust(r'parsers') |
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34 |
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35 def pack_dirstate(fakenow, orig, dmap, copymap, pl, now): |
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36 # execute what original parsers.pack_dirstate should do actually |
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37 # for consistency |
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38 actualnow = int(now) |
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39 for f, e in dmap.items(): |
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40 if e[0] == 'n' and e[3] == actualnow: |
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41 e = parsers.dirstatetuple(e[0], e[1], e[2], -1) |
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42 dmap[f] = e |
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43 |
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44 return orig(dmap, copymap, pl, fakenow) |
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45 |
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46 def fakewrite(ui, func): |
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47 # fake "now" of 'pack_dirstate' only if it is invoked while 'func' |
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48 |
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49 fakenow = ui.config(b'fakedirstatewritetime', b'fakenow') |
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50 if not fakenow: |
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51 # Execute original one, if fakenow isn't configured. This is |
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52 # useful to prevent subrepos from executing replaced one, |
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53 # because replacing 'parsers.pack_dirstate' is also effective |
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54 # in subrepos. |
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55 return func() |
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56 |
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57 # parsing 'fakenow' in YYYYmmddHHMM format makes comparison between |
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58 # 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy |
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59 fakenow = dateutil.parsedate(fakenow, [b'%Y%m%d%H%M'])[0] |
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60 |
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61 if rustmod is not None: |
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62 # The Rust implementation does not use public parse/pack dirstate |
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63 # to prevent conversion round-trips |
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64 orig_dirstatemap_write = dirstate.dirstatemap.write |
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65 wrapper = lambda self, st, now: orig_dirstatemap_write(self, |
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66 st, |
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67 fakenow) |
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68 dirstate.dirstatemap.write = wrapper |
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69 |
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70 orig_dirstate_getfsnow = dirstate._getfsnow |
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71 wrapper = lambda *args: pack_dirstate(fakenow, orig_pack_dirstate, *args) |
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72 |
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73 orig_module = parsers |
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74 orig_pack_dirstate = parsers.pack_dirstate |
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75 |
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76 orig_module.pack_dirstate = wrapper |
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77 dirstate._getfsnow = lambda *args: fakenow |
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78 try: |
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79 return func() |
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80 finally: |
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81 orig_module.pack_dirstate = orig_pack_dirstate |
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82 dirstate._getfsnow = orig_dirstate_getfsnow |
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83 if rustmod is not None: |
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84 dirstate.dirstatemap.write = orig_dirstatemap_write |
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85 |
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86 def _poststatusfixup(orig, workingctx, status, fixup): |
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87 ui = workingctx.repo().ui |
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88 return fakewrite(ui, lambda : orig(workingctx, status, fixup)) |
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89 |
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90 def markcommitted(orig, committablectx, node): |
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91 ui = committablectx.repo().ui |
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92 return fakewrite(ui, lambda : orig(committablectx, node)) |
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93 |
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94 def extsetup(ui): |
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95 extensions.wrapfunction(context.workingctx, '_poststatusfixup', |
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96 _poststatusfixup) |
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97 extensions.wrapfunction(context.workingctx, 'markcommitted', |
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98 markcommitted) |