Mercurial > kallithea

annotate pylons_app/controllers/changelog.py @ 291:a61b19036de0

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code cleanups
author Marcin Kuzminski <marcin@python-works.com>
date Wed, 23 Jun 2010 00:40:04 +0200
parents ab1afe7444f3
children fdf9f6ee5217
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1 #!/usr/bin/env python
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2 # encoding: utf-8
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3 # changelog controller for pylons
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4 # Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
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5 from json import dumps
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6 from mercurial.graphmod import colored, CHANGESET, revisions as graph_rev
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7 from pylons import request, session, tmpl_context as c
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8 from pylons_app.lib.auth import LoginRequired
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9 from pylons_app.lib.base import BaseController, render
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10 from pylons_app.model.hg_model import HgModel
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11 from webhelpers.paginate import Page
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12 import logging
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13
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14 # This program is free software; you can redistribute it and/or
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15 # modify it under the terms of the GNU General Public License
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16 # as published by the Free Software Foundation; version 2
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17 # of the License or (at your opinion) any later version of the license.
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18 #
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19 # This program is distributed in the hope that it will be useful,
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20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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22 # GNU General Public License for more details.
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23 #
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24 # You should have received a copy of the GNU General Public License
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25 # along with this program; if not, write to the Free Software
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26 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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27 # MA 02110-1301, USA.
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28 """
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29 Created on April 21, 2010
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30 changelog controller for pylons
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31 @author: marcink
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32 """
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33 log = logging.getLogger(__name__)
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34
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35 class ChangelogController(BaseController):
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37 @LoginRequired()
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38 def __before__(self):
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39 super(ChangelogController, self).__before__()
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40
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41 def index(self):
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42 limit = 100
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43 default = 20
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44 if request.params.get('size'):
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45 try:
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46 int_size = int(request.params.get('size'))
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47 except ValueError:
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48 int_size = default
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49 int_size = int_size if int_size <= limit else limit
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50 c.size = int_size
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51 session['changelog_size'] = c.size
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52 session.save()
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53 else:
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54 c.size = int(session.get('changelog_size', default))
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55
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56 changesets = HgModel().get_repo(c.repo_name)
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58 p = int(request.params.get('page', 1))
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59 c.total_cs = len(changesets)
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60 c.pagination = Page(changesets, page=p, item_count=c.total_cs,
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61 items_per_page=c.size)
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62
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63 self._graph(changesets, c.size, p)
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64
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65 return render('changelog/changelog.html')
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67
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68 def _graph(self, repo, size, p):
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69 revcount = size
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70 if not repo.revisions:return dumps([]), 0
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72 max_rev = repo.revisions[-1]
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73 offset = 1 if p == 1 else ((p - 1) * revcount)
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74 rev_start = repo.revisions[(-1 * offset)]
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75
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76 revcount = min(max_rev, revcount)
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77 rev_end = max(0, rev_start - revcount)
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78 dag = graph_rev(repo.repo, rev_start, rev_end)
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79
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80 c.dag = tree = list(colored(dag))
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81 data = []
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82 for (id, type, ctx, vtx, edges) in tree:
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83 if type != CHANGESET:
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84 continue
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85 data.append(('', vtx, edges))
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87 c.jsdata = dumps(data)
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