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comparison mercurial/revlogutils/flagutil.py @ 42731:5109217a9ab6

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flagutil: move insertflagprocessor to the new module (API)
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Thu, 08 Aug 2019 01:25:37 +0200
parents 92ac6b1697a7
children 6d61be152c55
comparison
equal deleted inserted replaced
42730:92ac6b1697a7 42731:5109217a9ab6
5 # 5 #
6 # This software may be used and distributed according to the terms of the 6 # This software may be used and distributed according to the terms of the
7 # GNU General Public License version 2 or any later version. 7 # GNU General Public License version 2 or any later version.
8 8
9 from __future__ import absolute_import 9 from __future__ import absolute_import
10
11 from ..i18n import _
10 12
11 from .constants import ( 13 from .constants import (
12 REVIDX_DEFAULT_FLAGS, 14 REVIDX_DEFAULT_FLAGS,
13 REVIDX_ELLIPSIS, 15 REVIDX_ELLIPSIS,
14 REVIDX_EXTSTORED, 16 REVIDX_EXTSTORED,
16 REVIDX_ISCENSORED, 18 REVIDX_ISCENSORED,
17 REVIDX_RAWTEXT_CHANGING_FLAGS, 19 REVIDX_RAWTEXT_CHANGING_FLAGS,
18 ) 20 )
19 21
20 from .. import ( 22 from .. import (
23 error,
21 util 24 util
22 ) 25 )
23 26
24 # blanked usage of all the name to prevent pyflakes constraints 27 # blanked usage of all the name to prevent pyflakes constraints
25 # We need these name available in the module for extensions. 28 # We need these name available in the module for extensions.
35 # Store flag processors (cf. 'addflagprocessor()' to register) 38 # Store flag processors (cf. 'addflagprocessor()' to register)
36 flagprocessors = { 39 flagprocessors = {
37 REVIDX_ISCENSORED: None, 40 REVIDX_ISCENSORED: None,
38 } 41 }
39 42
43 def insertflagprocessor(flag, processor, flagprocessors):
44 if not flag & REVIDX_KNOWN_FLAGS:
45 msg = _("cannot register processor on unknown flag '%#x'.") % (flag)
46 raise error.ProgrammingError(msg)
47 if flag not in REVIDX_FLAGS_ORDER:
48 msg = _("flag '%#x' undefined in REVIDX_FLAGS_ORDER.") % (flag)
49 raise error.ProgrammingError(msg)
50 if flag in flagprocessors:
51 msg = _("cannot register multiple processors on flag '%#x'.") % (flag)
52 raise error.Abort(msg)
53 flagprocessors[flag] = processor