Mercurial > hg
annotate mercurial/rcutil.py @ 45942:89a2afe31e82
formating: upgrade to black 20.8b1
This required a couple of small tweaks to un-confuse black, but now it
works. Big formatting changes come from:
* Dramatically improved collection-splitting logic upstream
* Black having a strong (correct IMO) opinion that """ is better than '''
Differential Revision: https://phab.mercurial-scm.org/D9430
author | Augie Fackler <raf@durin42.com> |
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date | Fri, 27 Nov 2020 17:03:29 -0500 |
parents | 238790674d69 |
children | 6000f5b25c9b |
rev | line source |
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1 # rcutil.py - utilities about config paths, special config sections etc. |
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2 # |
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3 # Copyright Mercurial Contributors |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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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 import os |
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11 |
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12 from . import ( |
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13 encoding, |
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14 pycompat, |
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15 util, |
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16 ) |
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17 |
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18 from .utils import resourceutil |
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19 |
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21 from . import scmwindows as scmplatform |
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22 else: |
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23 from . import scmposix as scmplatform |
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24 |
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25 fallbackpager = scmplatform.fallbackpager |
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26 systemrcpath = scmplatform.systemrcpath |
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27 userrcpath = scmplatform.userrcpath |
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28 |
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29 |
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30 def _expandrcpath(path): |
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31 '''path could be a file or a directory. return a list of file paths''' |
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32 p = util.expandpath(path) |
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33 if os.path.isdir(p): |
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34 join = os.path.join |
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35 return sorted( |
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36 join(p, f) for f, k in util.listdir(p) if f.endswith(b'.rc') |
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37 ) |
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38 return [p] |
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39 |
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40 |
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41 def envrcitems(env=None): |
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42 """Return [(section, name, value, source)] config items. |
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43 |
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44 The config items are extracted from environment variables specified by env, |
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45 used to override systemrc, but not userrc. |
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46 |
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47 If env is not provided, encoding.environ will be used. |
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48 """ |
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49 if env is None: |
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50 env = encoding.environ |
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51 checklist = [ |
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52 (b'EDITOR', b'ui', b'editor'), |
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53 (b'VISUAL', b'ui', b'editor'), |
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54 (b'PAGER', b'pager', b'pager'), |
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55 ] |
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56 result = [] |
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57 for envname, section, configname in checklist: |
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58 if envname not in env: |
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59 continue |
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60 result.append((section, configname, env[envname], b'$%s' % envname)) |
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61 return result |
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62 |
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63 |
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64 def default_rc_resources(): |
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65 """return rc resource IDs in defaultrc""" |
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66 rsrcs = resourceutil.contents(b'mercurial.defaultrc') |
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67 return [ |
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68 (b'mercurial.defaultrc', r) |
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69 for r in sorted(rsrcs) |
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70 if resourceutil.is_resource(b'mercurial.defaultrc', r) |
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71 and r.endswith(b'.rc') |
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72 ] |
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73 |
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74 |
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75 def rccomponents(): |
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76 """return an ordered [(type, obj)] about where to load configs. |
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77 |
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78 respect $HGRCPATH. if $HGRCPATH is empty, only .hg/hgrc of current repo is |
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79 used. if $HGRCPATH is not set, the platform default will be used. |
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80 |
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81 if a directory is provided, *.rc files under it will be used. |
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82 |
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83 type could be either 'path', 'items' or 'resource'. If type is 'path', |
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84 obj is a string, and is the config file path. if type is 'items', obj is a |
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85 list of (section, name, value, source) that should fill the config directly. |
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86 If type is 'resource', obj is a tuple of (package name, resource name). |
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87 """ |
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88 envrc = (b'items', envrcitems()) |
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89 |
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90 if b'HGRCPATH' in encoding.environ: |
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92 # overridden. | |
93 _rccomponents = [envrc] | |
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94 for p in encoding.environ[b'HGRCPATH'].split(pycompat.ospathsep): |
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96 continue | |
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97 _rccomponents.extend((b'path', p) for p in _expandrcpath(p)) |
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99 _rccomponents = [(b'resource', r) for r in default_rc_resources()] |
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100 |
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101 normpaths = lambda paths: [ |
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102 (b'path', os.path.normpath(p)) for p in paths |
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103 ] |
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104 _rccomponents.extend(normpaths(systemrcpath())) |
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106 _rccomponents.extend(normpaths(userrcpath())) |
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107 return _rccomponents |
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108 |
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109 |
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110 def defaultpagerenv(): |
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111 """return a dict of default environment variables and their values, |
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112 intended to be set before starting a pager. |
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113 """ |
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114 return {b'LESS': b'FRX', b'LV': b'-c'} |
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115 |
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116 |
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117 def use_repo_hgrc(): |
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118 """True if repositories `.hg/hgrc` config should be read""" |
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119 return b'HGRCSKIPREPO' not in encoding.environ |