Mercurial > kallithea

annotate rhodecode/controllers/changelog.py @ 1038:5554aa9c2480 beta

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another major code rafactor, reimplemented (almost from scratch) the way caching works, Should be solid rock for now. Some code optymizations on scmModel.get() to make it don't load unneded things. Changed db cache to file that should also reduce memory size
author Marcin Kuzminski <marcin@python-works.com>
date Sun, 13 Feb 2011 00:29:31 +0100
parents 48896664e987
children 3fc9183e05dd
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1 # -*- coding: utf-8 -*-
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2 """
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3 rhodecode.controllers.changelog
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4 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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5
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6 changelog controller for rhodecode
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7
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8 :created_on: Apr 21, 2010
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9 :author: marcink
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10 :copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>
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11 :license: GPLv3, see COPYING for more details.
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12 """
252
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13 # This program is free software; you can redistribute it and/or
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14 # modify it under the terms of the GNU General Public License
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15 # as published by the Free Software Foundation; version 2
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16 # of the License or (at your opinion) any later version of the license.
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17 #
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18 # This program is distributed in the hope that it will be useful,
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19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 # GNU General Public License for more details.
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22 #
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23 # You should have received a copy of the GNU General Public License
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24 # along with this program; if not, write to the Free Software
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25 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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26 # MA 02110-1301, USA.
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27
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28 import logging
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29
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30 try:
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31 import json
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32 except ImportError:
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33 #python 2.5 compatibility
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34 import simplejson as json
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35
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36 from mercurial.graphmod import colored, CHANGESET, revisions as graph_rev
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37 from pylons import request, session, tmpl_context as c
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38
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39 from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
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40 from rhodecode.lib.base import BaseController, render
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41 from rhodecode.model.scm import ScmModel
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42
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43 from webhelpers.paginate import Page
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44
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45 log = logging.getLogger(__name__)
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46
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47 class ChangelogController(BaseController):
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48
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49 @LoginRequired()
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50 @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
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51 'repository.admin')
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52 def __before__(self):
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53 super(ChangelogController, self).__before__()
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54
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55 def index(self):
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56 limit = 100
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57 default = 20
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58 if request.params.get('size'):
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59 try:
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60 int_size = int(request.params.get('size'))
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61 except ValueError:
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62 int_size = default
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63 int_size = int_size if int_size <= limit else limit
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64 c.size = int_size
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65 session['changelog_size'] = c.size
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66 session.save()
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67 else:
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68 c.size = int(session.get('changelog_size', default))
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69
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70 repo, dbrepo = ScmModel().get(c.repo_name, retval='repo')
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72 p = int(request.params.get('page', 1))
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73 c.total_cs = len(repo)
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74 c.pagination = Page(repo, page=p, item_count=c.total_cs,
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75 items_per_page=c.size)
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76
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77 self._graph(repo, c.size, p)
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78
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79 return render('changelog/changelog.html')
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81
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82 def _graph(self, repo, size, p):
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83 revcount = size
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84 if not repo.revisions or repo.alias == 'git':
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85 c.jsdata = json.dumps([])
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86 return
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87
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88 max_rev = repo.revisions[-1]
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89
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90 offset = 1 if p == 1 else ((p - 1) * revcount + 1)
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91
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92 rev_start = repo.revisions[(-1 * offset)]
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94 revcount = min(max_rev, revcount)
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95 rev_end = max(0, rev_start - revcount)
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96 dag = graph_rev(repo._repo, rev_start, rev_end)
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97
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98 c.dag = tree = list(colored(dag))
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99 data = []
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100 for (id, type, ctx, vtx, edges) in tree:
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101 if type != CHANGESET:
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102 continue
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103 data.append(('', vtx, edges))
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104
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105 c.jsdata = json.dumps(data)
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106