def choices(self):
yield {
'selected': self.lookup_exact_val == '' and not self.lookup_isnull_val,
'query_string': self.query_string({},
[self.lookup_exact_name, self.lookup_isnull_name]),
'display': _('All'),
}
for pk_val, val in self.lookup_choices:
yield {
'selected': self.lookup_exact_val == smart_unicode(pk_val),
'query_string': self.query_string({
self.lookup_exact_name: pk_val,
}, [self.lookup_isnull_name]),
'display': val,
}
if (is_related_field(self.field)
and self.field.field.null or hasattr(self.field, 'rel')
and self.field.null):
yield {
'selected': bool(self.lookup_isnull_val),
'query_string': self.query_string({
self.lookup_isnull_name: 'True',
}, [self.lookup_exact_name]),
'display': EMPTY_CHANGELIST_VALUE,
}
def choices(self):
yield {
'selected': self.lookup_exact_val == '' and self.lookup_isnull_val is None,
'query_string': self.query_string({},
[self.lookup_exact_name, self.lookup_isnull_name]),
'display': '(%s)' % _('All'),
}
for pk_val, val in self.lookup_choices:
yield {
'selected': self.lookup_exact_val == smart_text(pk_val),
'query_string': self.query_string({
self.lookup_exact_name: pk_val,
}, [self.lookup_isnull_name]),
'display': val,
}
if (is_related_field(self.field)
and self.field.field.null or hasattr(self.field, 'rel')
and self.field.null):
yield {
'selected': self.lookup_isnull_val is False and self.lookup_exact_val == '',
'query_string': self.query_string({self.lookup_isnull_name: 'False'},
[self.lookup_exact_name]),
'display': '(%s)' % _('Has value'),
}
yield {
'selected': self.lookup_isnull_val is True,
'query_string': self.query_string({self.lookup_isnull_name: 'True'},
[self.lookup_exact_name]),
'display': EMPTY_CHANGELIST_VALUE,
}
def has_output(self):
if (is_related_field(self.field)
and self.field.field.null or hasattr(self.field, 'rel')
and self.field.null):
extra = 1
else:
extra = 0
return len(self.lookup_choices) + extra > 1
def choices(self):
yield {
"selected": self.lookup_exact_val == "" and not self.lookup_isnull_val,
"query_string": self.query_string({}, [self.lookup_exact_name, self.lookup_isnull_name]),
"display": _("All"),
}
for pk_val, val in self.lookup_choices:
yield {
"selected": self.lookup_exact_val == smart_unicode(pk_val),
"query_string": self.query_string({self.lookup_exact_name: pk_val}, [self.lookup_isnull_name]),
"display": val,
}
if is_related_field(self.field) and self.field.field.null or hasattr(self.field, "rel") and self.field.null:
yield {
"selected": bool(self.lookup_isnull_val),
"query_string": self.query_string({self.lookup_isnull_name: "True"}, [self.lookup_exact_name]),
"display": EMPTY_CHANGELIST_VALUE,
}
def lookup_allowed(self, lookup, value):
model = self.model
# Check FKey lookups that are allowed, so that popups produced by
# ForeignKeyRawIdWidget, on the basis of ForeignKey.limit_choices_to,
# are allowed to work.
for l in model._meta.related_fkey_lookups:
for k, v in widgets.url_params_from_lookup_dict(l).items():
if k == lookup and v == value:
return True
parts = lookup.split(LOOKUP_SEP)
# Last term in lookup is a query term (__exact, __startswith etc)
# This term can be ignored.
if len(parts) > 1 and parts[-1] in QUERY_TERMS:
parts.pop()
# Special case -- foo__id__exact and foo__id queries are implied
# if foo has been specificially included in the lookup list; so
# drop __id if it is the last part. However, first we need to find
# the pk attribute name.
rel_name = None
for part in parts[:-1]:
try:
field = model._meta.get_field(part)
except FieldDoesNotExist:
# Lookups on non-existants fields are ok, since they're ignored
# later.
return True
if hasattr(field, 'rel'):
model = field.rel.to
rel_name = field.rel.get_related_field().name
elif is_related_field(field):
model = field.model
rel_name = model._meta.pk.name
else:
rel_name = None
if rel_name and len(parts) > 1 and parts[-1] == rel_name:
parts.pop()
if len(parts) == 1:
return True
clean_lookup = LOOKUP_SEP.join(parts)
return clean_lookup in self.list_quick_filter
def lookup_allowed(self, lookup, value):
model = self.model
# Check FKey lookups that are allowed, so that popups produced by
# ForeignKeyRawIdWidget, on the basis of ForeignKey.limit_choices_to,
# are allowed to work.
for l in model._meta.related_fkey_lookups:
for k, v in widgets.url_params_from_lookup_dict(l).items():
if k == lookup and v == value:
return True
parts = lookup.split(LOOKUP_SEP)
# Last term in lookup is a query term (__exact, __startswith etc)
# This term can be ignored.
if len(parts) > 1 and parts[-1] in QUERY_TERMS:
parts.pop()
# Special case -- foo__id__exact and foo__id queries are implied
# if foo has been specificially included in the lookup list; so
# drop __id if it is the last part. However, first we need to find
# the pk attribute name.
rel_name = None
for part in parts[:-1]:
try:
field = model._meta.get_field(part)
except FieldDoesNotExist:
# Lookups on non-existants fields are ok, since they're ignored
# later.
return True
if hasattr(field, 'rel'):
model = field.rel.to
rel_name = field.rel.get_related_field().name
elif is_related_field(field):
model = field.model
rel_name = model._meta.pk.name
else:
rel_name = None
if rel_name and len(parts) > 1 and parts[-1] == rel_name:
parts.pop()
if len(parts) == 1:
return True
clean_lookup = LOOKUP_SEP.join(parts)
return clean_lookup in self.list_quick_filter
def post(self, request, object_id, *args, **kwargs):
object_id = unquote(object_id)
self.obj = self.get_object(object_id)
if not self.has_change_permission(self.obj):
raise PermissionDenied
params = self.request.POST
if 'version_a' not in params or 'version_b' not in params:
self.message_user(_("Must select two versions."), 'error')
return self.get_response()
version_a_id = params['version_a']
version_b_id = params['version_b']
if version_a_id == version_b_id:
self.message_user(
_("Please select two different versions."), 'error')
return self.get_response()
version_a = get_object_or_404(Version, pk=version_a_id)
version_b = get_object_or_404(Version, pk=version_b_id)
diffs = []
obj_a, detail_a = self.get_version_object(version_a)
obj_b, detail_b = self.get_version_object(version_b)
for f in (self.opts.fields + self.opts.many_to_many):
if is_related_field(f):
label = f.opts.verbose_name
else:
label = f.verbose_name
value_a = f.value_from_object(obj_a)
value_b = f.value_from_object(obj_b)
is_diff = value_a != value_b
if type(value_a) in (list, tuple) and type(value_b) in (list, tuple) \
and len(value_a) == len(value_b) and is_diff:
is_diff = False
for i in xrange(len(value_a)):
if value_a[i] != value_a[i]:
is_diff = True
break
if type(value_a) is QuerySet and type(value_b) is QuerySet:
is_diff = list(value_a) != list(value_b)
diffs.append((label, detail_a.get_field_result(
f.name).val, detail_b.get_field_result(f.name).val, is_diff))
context = super(RevisionListView, self).get_context()
context.update({
'object': self.obj,
'opts': self.opts,
'version_a': version_a,
'version_b': version_b,
'revision_a_url': self.model_admin_url('revision', quote(version_a.object_id), version_a.id),
'revision_b_url': self.model_admin_url('revision', quote(version_b.object_id), version_b.id),
'diffs': diffs
})
return TemplateResponse(
self.request, self.revision_diff_template or self.get_template_list('views/revision_diff.html'),
context, current_app=self.admin_site.name)
def post(self, request, object_id, *args, **kwargs):
object_id = unquote(object_id)
self.obj = self.get_object(object_id)
if not self.has_change_permission(self.obj):
raise PermissionDenied
params = self.request.POST
if 'version_a' not in params or 'version_b' not in params:
self.message_user(_("Must select two versions."), 'error')
return self.get_response()
version_a_id = params['version_a']
version_b_id = params['version_b']
if version_a_id == version_b_id:
self.message_user(_("Please select two different versions."),
'error')
return self.get_response()
version_a = get_object_or_404(Version, pk=version_a_id)
version_b = get_object_or_404(Version, pk=version_b_id)
diffs = []
obj_a, detail_a = self.get_version_object(version_a)
obj_b, detail_b = self.get_version_object(version_b)
for f in (self.opts.fields + self.opts.many_to_many):
if is_related_field(f):
label = f.opts.verbose_name
else:
label = f.verbose_name
value_a = f.value_from_object(obj_a)
value_b = f.value_from_object(obj_b)
is_diff = value_a != value_b
if type(value_a) in (list, tuple) and type(value_b) in (list, tuple) \
and len(value_a) == len(value_b) and is_diff:
is_diff = False
for i in range(len(value_a)):
if value_a[i] != value_a[i]:
is_diff = True
break
if type(value_a) is QuerySet and type(value_b) is QuerySet:
is_diff = list(value_a) != list(value_b)
diffs.append((label, detail_a.get_field_result(f.name).val,
detail_b.get_field_result(f.name).val, is_diff))
context = super(RevisionListView, self).get_context()
context.update({
'object':
self.obj,
'opts':
self.opts,
'version_a':
version_a,
'version_b':
version_b,
'revision_a_url':
self.model_admin_url('revision', quote(version_a.object_id),
version_a.id),
'revision_b_url':
self.model_admin_url('revision', quote(version_b.object_id),
version_b.id),
'diffs':
diffs
})
return TemplateResponse(
self.request,
self.revision_diff_template
or self.get_template_list('views/revision_diff.html'),
context,
current_app=self.admin_site.name)
