Mercurial > hg
annotate mercurial/pushkey.py @ 47387:75e1104f23a2
revlog: use dedicated code for reading sidedata
We are about to introduce a new, dedicated, file to store sidedata. Before doing so, we make sidedata reading go through different code as reading data chunk. This will simplify some of the complexity of the next changesets.
The reading is very simple right now and will need some improvement later to
reuse some of the caching strategy we use for the data file.
Differential Revision: https://phab.mercurial-scm.org/D10785
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 27 May 2021 04:09:30 +0200 |
parents | d4ba4d51f85f |
children | 6000f5b25c9b |
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11367 | 1 # pushkey.py - dispatching for pushing and pulling keys |
2 # | |
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3 # Copyright 2010 Olivia Mackall <olivia@selenic.com> |
11367 | 4 # |
5 # This software may be used and distributed according to the terms of the | |
6 # GNU General Public License version 2 or any later version. | |
7 | |
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8 from __future__ import absolute_import |
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9 |
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10 from . import ( |
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11 bookmarks, |
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12 encoding, |
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13 obsolete, |
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14 phases, |
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15 ) |
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16 |
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17 |
11367 | 18 def _nslist(repo): |
19 n = {} | |
20 for k in _namespaces: | |
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21 n[k] = b"" |
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22 if not obsolete.isenabled(repo, obsolete.exchangeopt): |
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23 n.pop(b'obsolete') |
11367 | 24 return n |
25 | |
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26 |
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27 _namespaces = { |
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28 b"namespaces": (lambda *x: False, _nslist), |
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29 b"bookmarks": (bookmarks.pushbookmark, bookmarks.listbookmarks), |
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30 b"phases": (phases.pushphase, phases.listphases), |
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31 b"obsolete": (obsolete.pushmarker, obsolete.listmarkers), |
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32 } |
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33 |
11367 | 34 |
35 def register(namespace, pushkey, listkeys): | |
36 _namespaces[namespace] = (pushkey, listkeys) | |
37 | |
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38 |
11367 | 39 def _get(namespace): |
40 return _namespaces.get(namespace, (lambda *x: False, lambda *x: {})) | |
41 | |
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42 |
11367 | 43 def push(repo, namespace, key, old, new): |
44 '''should succeed iff value was old''' | |
45 pk = _get(namespace)[0] | |
46 return pk(repo, key, old, new) | |
47 | |
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48 |
11367 | 49 def list(repo, namespace): |
50 '''return a dict''' | |
51 lk = _get(namespace)[1] | |
52 return lk(repo) | |
53 | |
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54 |
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55 encode = encoding.fromlocal |
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56 |
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57 decode = encoding.tolocal |
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58 |
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59 |
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60 def encodekeys(keys): |
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61 """encode the content of a pushkey namespace for exchange over the wire""" |
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62 return b'\n'.join([b'%s\t%s' % (encode(k), encode(v)) for k, v in keys]) |
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63 |
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64 |
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65 def decodekeys(data): |
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66 """decode the content of a pushkey namespace from exchange over the wire""" |
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67 result = {} |
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68 for l in data.splitlines(): |
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69 k, v = l.split(b'\t') |
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70 result[decode(k)] = decode(v) |
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71 return result |