Handle multiple child revisions of same parent

Where there are multiple revisions of a child change that depend on
the same revision of the parent, we hit this:

    File ".../gertty/view/change.py", line 548, in refreshDependencies
      unseen_keys.remove(c.key)
  KeyError: 177

An example of this a change with this issue is that revision 1 of
I8cd0af9bd4d3669f436f169059e4b602d4d3036c is the parent of revisions 1 and 2
of If608302b6efacceb9ac3630b7ac402cf65ae6d68.

Handle this case by uniqifying the children list simply by using a mapping
of change key to subject.

Change-Id: I934c6df1bdf12bf87cc9e6827d38b92d04057f39
This commit is contained in:
Mark McLoughlin 2014-06-04 11:52:00 +01:00
parent d3768c03e6
commit c52bddb693
1 changed files with 9 additions and 7 deletions

View File

@ -521,27 +521,29 @@ This Screen
self.depends_on.contents[:] = []
# Handle needed-by
children = [r.change for r in session.getRevisionsByParent(revision.commit) if r.change.status != 'MERGED']
children = dict((r.change.key, r.change.subject)
for r in session.getRevisionsByParent(revision.commit)
if r.change.status != 'MERGED')
if children:
if len(self.needed_by.contents) == 0:
self.needed_by.contents.append((urwid.Text(('table-header', 'Needed by:')),
self.needed_by.options('pack')))
unseen_keys = set(self.needed_by_rows.keys())
i = 1
for c in children:
row = self.needed_by_rows.get(c.key)
for key, subject in children.items():
row = self.needed_by_rows.get(key)
if not row:
row = urwid.AttrMap(urwid.Padding(ChangeButton(self, c.key, c.subject), width='pack'),
row = urwid.AttrMap(urwid.Padding(ChangeButton(self, key, subject), width='pack'),
'link', focus_map={None: 'focused-link'})
self.needed_by.contents.insert(i, (row, self.depends_on.options()))
if not self.needed_by.focus.selectable():
self.needed_by.set_focus(i)
if not self.left_column.focus.selectable():
self.left_column.set_focus(self.needed_by)
self.needed_by_rows[c.key] = row
self.needed_by_rows[key] = row
else:
row.original_widget.original_widget.set_label(c.subject)
unseen_keys.remove(c.key)
row.original_widget.original_widget.set_label(subject)
unseen_keys.remove(key)
i += 1
for key in unseen_keys:
row = self.needed_by_rows[key]