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import logging
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from pylons import request, response, session, tmpl_context as c, url, config, \
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app_globals as g
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from pylons.controllers.util import abort, redirect
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from pylons_app.lib.base import BaseController, render
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from pylons_app.lib.utils import get_repo_slug
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from pylons_app.model.hg_model import HgModel
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from mercurial.graphmod import revisions as graph_rev, colored, CHANGESET
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from pylons_app.lib.filters import age as _age, person
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from simplejson import dumps
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from mercurial.node import short
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from webhelpers.paginate import Page
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log = logging.getLogger(__name__)
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class GraphController(BaseController):
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def __before__(self):
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c.repos_prefix = config['repos_name']
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c.repo_name = get_repo_slug(request)
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def index(self):
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# Return a rendered template
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hg_model = HgModel()
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if request.POST.get('size'):
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c.size = int(request.params.get('size', 20))
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else:
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c.size = int(request.params.get('size', 20))
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c.jsdata, c.canvasheight = self.graph(hg_model.get_repo(c.repo_name), c.size)
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return render('/graph.html')
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def graph(self, repo, size):
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revcount = size
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p = int(request.params.get('page', 1))
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c.pagination = Page(repo.revisions, page=p, item_count=len(repo.revisions), items_per_page=revcount)
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if not repo.revisions:return dumps([]), 0
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max_rev = repo.revisions[-1]
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offset = 1 if p == 1 else ((p - 1) * revcount)
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rev_start = repo.revisions[(-1 * offset)]
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bg_height = 39
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revcount = min(max_rev, revcount)
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rev_end = max(0, rev_start - revcount)
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dag = graph_rev(repo.repo, rev_start, rev_end)
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tree = list(colored(dag))
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canvasheight = (len(tree) + 1) * bg_height - 27
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data = []
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for (id, type, ctx, vtx, edges) in tree:
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if type != CHANGESET:
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continue
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node = short(ctx.node())
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age = _age(ctx.date())
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desc = ctx.description()
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user = person(ctx.user())
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branch = ctx.branch()
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branch = branch, repo.repo.branchtags().get(branch) == ctx.node()
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data.append((node, vtx, edges, desc, user, age, branch, ctx.tags()))
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return dumps(data), canvasheight
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