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Viewing changes to loggerhead/controllers/revision_ui.py

  • Committer: Martin Albisetti
  • Date: 2008-10-24 17:54:06 UTC
  • mfrom: (230.1.2 pep8)
  • Revision ID: martin.albisetti@canonical.com-20081024175406-73bpc73m7pshat9c
PEP8 fixes

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loggerhead/controllers/revision_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 datetime
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import logging
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import os
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import textwrap
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import time
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import turbogears
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from cherrypy import HTTPRedirect, session
 
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from paste.httpexceptions import HTTPServerError
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from loggerhead import util
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class RevisionUI (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.revision')
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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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        util.set_context(kw)
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from loggerhead.controllers import TemplatedBranchView
 
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DEFAULT_LINE_COUNT_LIMIT = 3000
 
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class RevisionUI(TemplatedBranchView):
 
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    template_path = 'loggerhead.templates.revision'
 
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    def get_values(self, h, args, kw, headers):
 
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        if len(args) > 0:
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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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        file_id = kw.get('file_id', None)
 
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        filter_file_id = kw.get('filter_file_id', None)
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        start_revid = h.fix_revid(kw.get('start_revid', None))
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        query = kw.get('q', None)
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        remember = kw.get('remember', None)
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        compare_revid = kw.get('compare_revid', None)
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        remember = h.fix_revid(kw.get('remember', None))
 
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        compare_revid = h.fix_revid(kw.get('compare_revid', None))
 
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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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        except Exception, x:
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            self.log.error('Exception fetching changes: %s' % (x,))
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            util.log_exception(self.log)
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            raise HTTPRedirect(self._branch.url('/changes'))
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        navigation = util.Container(revid_list=revid_list, revid=revid, start_revid=start_revid, file_id=file_id,
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                                    pagesize=1, scan_url='/revision', branch=self._branch, feed=True)
 
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            revid, start_revid, revid_list = h.get_view(revid,
 
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                                                        start_revid,
 
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                                                        filter_file_id,
 
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                                                        query)
 
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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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            revid_list=revid_list, revid=revid, start_revid=start_revid,
 
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            filter_file_id=filter_file_id, pagesize=1,
 
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            scan_url='/revision', branch=self._branch, feed=True, history=h)
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        if query is not None:
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            navigation.query = query
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        util.fill_in_navigation(h, navigation)
 
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        util.fill_in_navigation(navigation)
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        if compare_revid is not None:
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            change = h.get_diff(compare_revid, revid)
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        else:
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            change = h.get_changes([ revid ], get_diffs=True)[0]
 
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        change = h.get_change_with_diff(revid, compare_revid)
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        # add parent & merge-point branch-nick info, in case it's useful
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        h.get_branch_nicks([ change ])
 
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        h.get_branch_nicks([change])
 
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        line_count_limit = DEFAULT_LINE_COUNT_LIMIT
 
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        line_count = 0
 
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        for file in change.changes.modified:
 
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            for chunk in file.chunks:
 
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                line_count += len(chunk.diff)
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        # let's make side-by-side diff be the default
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        side_by_side = not kw.get('unified', False)
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        if side_by_side:
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            h.add_side_by_side([ change ])
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        vals = {
 
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            h.add_side_by_side([change])
 
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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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            'revid': revid,
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            'change': change,
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            'start_revid': start_revid,
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            'file_id': file_id,
 
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            'filter_file_id': filter_file_id,
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            'util': util,
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            'history': h,
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            'navigation': navigation,
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            'remember': remember,
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            'compare_revid': compare_revid,
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            'side_by_side': side_by_side,
 
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            'url': self._branch.context_url,
 
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            'line_count': line_count,
 
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            'line_count_limit': line_count_limit,
 
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            'show_plain_diffs': line_count > line_count_limit,
 
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            'directory_breadcrumbs': directory_breadcrumbs,
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        }
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        h.flush_cache()
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        self.log.info('/revision: %r seconds' % (time.time() - z,))
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        return vals