Mercurial > kallithea

annotate pylons_app/controllers/graph.py @ 172:83c7ee1b5f5c

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improved timerproxy with sqllogging, and new way of sqlformat queries
author Marcin Kuzminski <marcin@python-works.com>
date Fri, 21 May 2010 03:01:31 +0200
parents cf32c4cc26e8
children b68b2246e5a6
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1 import logging
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2 from pylons import request, response, session, tmpl_context as c, url, config, \
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3 app_globals as g
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4 from pylons.controllers.util import abort, redirect
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5 from pylons_app.lib.base import BaseController, render
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6 from pylons_app.lib.utils import get_repo_slug
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7 from pylons_app.model.hg_model import HgModel
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9 from mercurial.graphmod import revisions as graph_rev, colored, CHANGESET
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10 from pylons_app.lib.filters import age as _age, person
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11 from simplejson import dumps
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12 from mercurial.node import short
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13 from webhelpers.paginate import Page
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17 log = logging.getLogger(__name__)
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18
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19 class GraphController(BaseController):
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20 def __before__(self):
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21 c.repos_prefix = config['repos_name']
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22 c.repo_name = get_repo_slug(request)
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23
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24 def index(self):
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25 # Return a rendered template
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26 hg_model = HgModel()
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27 if request.POST.get('size'):
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28 c.size = int(request.params.get('size', 20))
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29 else:
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30 c.size = int(request.params.get('size', 20))
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31 c.jsdata, c.canvasheight = self.graph(hg_model.get_repo(c.repo_name), c.size)
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32
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33 return render('/graph.html')
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35
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36 def graph(self, repo, size):
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37 revcount = size
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38 p = int(request.params.get('page', 1))
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39 c.pagination = Page(repo.revisions, page=p, item_count=len(repo.revisions), items_per_page=revcount)
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40 if not repo.revisions:return dumps([]), 0
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41
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42 max_rev = repo.revisions[-1]
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43 offset = 1 if p == 1 else ((p - 1) * revcount)
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44 rev_start = repo.revisions[(-1 * offset)]
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45 bg_height = 39
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47 revcount = min(max_rev, revcount)
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48 rev_end = max(0, rev_start - revcount)
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49 dag = graph_rev(repo.repo, rev_start, rev_end)
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50 tree = list(colored(dag))
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51 canvasheight = (len(tree) + 1) * bg_height - 27
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52 data = []
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53 for (id, type, ctx, vtx, edges) in tree:
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54 if type != CHANGESET:
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55 continue
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56 node = short(ctx.node())
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57 age = _age(ctx.date())
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58 desc = ctx.description()
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59 user = person(ctx.user())
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60 branch = ctx.branch()
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61 branch = branch, repo.repo.branchtags().get(branch) == ctx.node()
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62 data.append((node, vtx, edges, desc, user, age, branch, ctx.tags()))
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63
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64 return dumps(data), canvasheight