Mercurial > hg
annotate mercurial/rcutil.py @ 31758:04ec317b8128
hgweb: expose a followlines UI in filerevision view
In filerevision view (/file/<rev>/<fname>) we add some event listeners on
mouse clicks of <span> elements in the <pre class="sourcelines"> block.
Those listeners will capture a range of lines selected between two mouse
clicks and a box inviting to follow the history of selected lines will then
show up. Selected lines (i.e. the block of lines) get a CSS class which make
them highlighted. Selection can be cancelled (and restarted) by either
clicking on the cancel ("x") button in the invite box or clicking on any other
source line. Also clicking twice on the same line will abort the selection and
reset event listeners to restart the process.
As a first step, this action is only advertised by the "cursor: cell" CSS rule
on source lines elements as any other mechanisms would make the code
significantly more complicated. This might be improved later.
All JavaScript code lives in a new "linerangelog.js" file, sourced in
filerevision template (only in "paper" style for now).
author | Denis Laxalde <denis.laxalde@logilab.fr> |
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date | Wed, 29 Mar 2017 22:26:16 +0200 |
parents | 10d88dc7c010 |
children | e518192d6bac |
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 osutil, |
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15 pycompat, |
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16 util, |
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17 ) |
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18 |
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19 if pycompat.osname == 'nt': |
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20 from . import scmwindows as scmplatform |
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21 else: |
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22 from . import scmposix as scmplatform |
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23 |
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24 systemrcpath = scmplatform.systemrcpath |
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25 userrcpath = scmplatform.userrcpath |
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26 |
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27 def _expandrcpath(path): |
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28 '''path could be a file or a directory. return a list of file paths''' |
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29 p = util.expandpath(path) |
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30 if os.path.isdir(p): |
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31 join = os.path.join |
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32 return [join(p, f) for f, k in osutil.listdir(p) if f.endswith('.rc')] |
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33 return [p] |
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34 |
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35 def envrcitems(env=None): |
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36 '''Return [(section, name, value, source)] config items. |
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37 |
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38 The config items are extracted from environment variables specified by env, |
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39 used to override systemrc, but not userrc. |
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40 |
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41 If env is not provided, encoding.environ will be used. |
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42 ''' |
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43 if env is None: |
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44 env = encoding.environ |
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45 checklist = [ |
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46 ('EDITOR', 'ui', 'editor'), |
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47 ('VISUAL', 'ui', 'editor'), |
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48 ('PAGER', 'pager', 'pager'), |
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49 ] |
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50 result = [] |
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51 for envname, section, configname in checklist: |
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52 if envname not in env: |
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53 continue |
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54 result.append((section, configname, env[envname], '$%s' % envname)) |
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55 return result |
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56 |
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57 def defaultrcpath(): |
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58 '''return rc paths in default.d''' |
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59 path = [] |
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60 defaultpath = os.path.join(util.datapath, 'default.d') |
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61 if os.path.isdir(defaultpath): |
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62 path = _expandrcpath(defaultpath) |
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63 return path |
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64 |
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65 def rccomponents(): |
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66 '''return an ordered [(type, obj)] about where to load configs. |
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67 |
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68 respect $HGRCPATH. if $HGRCPATH is empty, only .hg/hgrc of current repo is |
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69 used. if $HGRCPATH is not set, the platform default will be used. |
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70 |
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71 if a directory is provided, *.rc files under it will be used. |
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72 |
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73 type could be either 'path' or 'items', if type is 'path', obj is a string, |
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74 and is the config file path. if type is 'items', obj is a list of (section, |
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75 name, value, source) that should fill the config directly. |
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76 ''' |
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77 envrc = ('items', envrcitems()) |
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78 |
31693 | 79 if 'HGRCPATH' in encoding.environ: |
80 # assume HGRCPATH is all about user configs so environments can be | |
81 # overridden. | |
82 _rccomponents = [envrc] | |
83 for p in encoding.environ['HGRCPATH'].split(pycompat.ospathsep): | |
84 if not p: | |
85 continue | |
86 _rccomponents.extend(('path', p) for p in _expandrcpath(p)) | |
87 else: | |
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88 normpaths = lambda paths: [('path', os.path.normpath(p)) for p in paths] |
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89 _rccomponents = normpaths(defaultrcpath() + systemrcpath()) |
31693 | 90 _rccomponents.append(envrc) |
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91 _rccomponents.extend(normpaths(userrcpath())) |
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92 return _rccomponents |