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Viewing changes to loggerhead/controllers/changelog_ui.py

  • Committer: Martin Albisetti
  • Date: 2009-05-27 12:52:49 UTC
  • mto: (352.6.11 serve-config)
  • mto: This revision was merged to the branch mainline in revision 364.
  • Revision ID: martin.albisetti@canonical.com-20090527125249-b9o7ajvls7jvpjf1
Less windows-ism

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loggerhead/controllers/changelog_ui.py
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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 time
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import turbogears
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from cherrypy import InternalError
 
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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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class ChangeLogUI (object):
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    def __init__(self, branch):
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        # BranchView object
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        self._branch = branch
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        self.log = branch.log
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    @util.strip_whitespace
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    @turbogears.expose(html='loggerhead.templates.changelog')
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    def default(self, *args, **kw):
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        z = time.time()
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        h = self._branch.get_history()
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        config = self._branch.config
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        h._branch.lock_read()
 
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from loggerhead.controllers import TemplatedBranchView
 
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class ChangeLogUI(TemplatedBranchView):
 
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    template_path = 'loggerhead.templates.changelog'
 
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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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            if len(args) > 0:
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                revid = h.fix_revid(args[0])
 
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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(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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            if len(revid_list) == 0:
 
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                scan_list = revid_list
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            else:
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                revid = None
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            file_id = kw.get('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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            orig_start_revid = start_revid
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            pagesize = int(config.get('pagesize', '20'))
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            search_failed = False
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            try:
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                revid, start_revid, revid_list = h.get_view(revid, start_revid, file_id, query)
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                kw['start_revid'] = start_revid
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                util.set_context(kw)
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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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                if len(revid_list) == 0:
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                    scan_list = revid_list
 
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                if revid in revid_list: # XXX is this always true?
 
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                    i = revid_list.index(revid)
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                else:
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                    if revid in revid_list: # XXX is this always true?
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                        i = revid_list.index(revid)
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                    else:
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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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            except:
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                self.log.exception('Exception fetching changes')
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                raise InternalError('Could not fetch changes')
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            navigation = util.Container(pagesize=pagesize, revid=revid, start_revid=start_revid, revid_list=revid_list,
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                                        file_id=file_id, scan_url='/changes', branch=self._branch, feed=True)
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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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            vals = {
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                'branch': self._branch,
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                'changes': changes,
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                'util': util,
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                'history': h,
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                'revid': revid,
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                'navigation': navigation,
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                'file_id': 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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                'query': query,
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                'search_failed': search_failed,
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                'all_same_author': all_same_author,
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            }
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            h.flush_cache()
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            self.log.info('/changes %r: %r secs' % (revid, time.time() - z))
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            return vals
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        finally:
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            h._branch.unlock()
 
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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(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=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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        # 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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        return {
 
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            'branch': self._branch,
 
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            'changes': changes,
 
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            'data': simplejson.dumps(data),
 
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            'util': util,
 
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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 
 
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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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            'url': self._branch.context_url,
 
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            'directory_breadcrumbs': directory_breadcrumbs,
 
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        }