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Viewing changes to loggerhead/controllers/changelog_ui.py

  • Committer: Michael Hudson
  • Date: 2010-05-07 01:03:17 UTC
  • mfrom: (414.1.1 loggerhead)
  • Revision ID: michael.hudson@canonical.com-20100507010317-kr5ipx6qgn65636o
(mkanat) use a global lock to protect access to the lru cache

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loggerhead/controllers/changelog_ui.py
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#
 
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# Copyright (C) 2008, 2009 Canonical Ltd.
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# Copyright (C) 2006  Robey Pointer <robey@lag.net>
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# Copyright (C) 2006  Goffredo Baroncelli <kreijack@inwind.it>
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#
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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#
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import urllib
 
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try:
 
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    import simplejson
 
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except ImportError:
 
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    import json as simplejson
 
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from paste.httpexceptions import HTTPServerError
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from loggerhead import util
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    template_path = 'loggerhead.templates.changelog'
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    def get_values(self, h, args, kw, headers):
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        if args:
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            revid = h.fix_revid(args[0])
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        else:
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            revid = None
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        filter_file_id = kw.get('filter_file_id', None)
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        query = kw.get('q', None)
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        start_revid = h.fix_revid(kw.get('start_revid', None))
 
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    def get_values(self, path, kwargs, headers):
 
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        history = self._history
 
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        revid = self.get_revid()
 
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        filter_file_id = kwargs.get('filter_file_id', None)
 
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        query = kwargs.get('q', None)
 
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        start_revid = history.fix_revid(kwargs.get('start_revid', None))
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        orig_start_revid = start_revid
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        pagesize = 20#int(config.get('pagesize', '20'))
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        search_failed = False
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        if filter_file_id is None and path is not None:
 
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            filter_file_id = history.get_file_id(revid, path)
 
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        try:
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            revid, start_revid, revid_list = h.get_view(
 
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            revid, start_revid, revid_list = history.get_view(
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                revid, start_revid, filter_file_id, query)
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            util.set_context(kw)
 
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            util.set_context(kwargs)
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            if (query is not None) and (len(revid_list) == 0):
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                search_failed = True
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                    i = None
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                scan_list = revid_list[i:]
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            change_list = scan_list[:pagesize]
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            changes = list(h.get_changes(change_list))
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            h.add_changes(changes)
 
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            changes = list(history.get_changes(change_list))
 
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            data = {}
 
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            for i, c in enumerate(changes):
 
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                c.index = i
 
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                data[str(i)] = urllib.quote(urllib.quote(c.revid, safe=''))
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        except:
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            self.log.exception('Exception fetching changes')
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            raise HTTPServerError('Could not fetch changes')
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        navigation = util.Container(
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            pagesize=pagesize, revid=revid, start_revid=start_revid,
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            revid_list=revid_list, filter_file_id=filter_file_id,
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            scan_url='/changes', branch=self._branch, feed=True, history=h)
 
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            scan_url='/changes', branch=self._branch, feed=True, history=history)
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        if query is not None:
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            navigation.query = query
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        util.fill_in_navigation(navigation)
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        # add parent & merge-point branch-nick info, in case it's useful
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        h.get_branch_nicks(changes)
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        # does every change on this page have the same committer?  if so,
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        # tell the template to show committer info in the "details block"
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        # instead of on each line.
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        all_same_author = True
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        if changes:
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            author = changes[0].author
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            for e in changes[1:]:
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                if e.author != author:
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                    all_same_author = False
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                    break
 
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        # Directory Breadcrumbs
 
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        directory_breadcrumbs = (
 
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            util.directory_breadcrumbs(
 
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                self._branch.friendly_name,
 
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                self._branch.is_root,
 
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                'changes'))
 
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        show_tag_col = False
 
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        for change in changes:
 
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            if change.tags is not None:
 
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                show_tag_col = True
 
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                break
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        return {
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            'branch': self._branch,
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            'changes': changes,
 
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            'show_tag_col': show_tag_col,
 
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            'data': simplejson.dumps(data),
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            'util': util,
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            'history': h,
 
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            'history': history,
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            'revid': revid,
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            'navigation': navigation,
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            'filter_file_id': filter_file_id,
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            'start_revid': start_revid,
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            'viewing_from': (orig_start_revid is not None) and (orig_start_revid != h.last_revid),
 
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            'viewing_from': (orig_start_revid is not None) and
 
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                            (orig_start_revid != history.last_revid),
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            'query': query,
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            'search_failed': search_failed,
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            'all_same_author': all_same_author,
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            'url': self._branch.context_url,
 
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            'directory_breadcrumbs': directory_breadcrumbs,
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        }