def handle_noargs(self, **options):
if not hasattr(settings, 'DAGUERRE_PREADJUSTMENTS'):
raise CommandError(NO_ADJUSTMENTS)
adjustments = settings.DAGUERRE_PREADJUSTMENTS
args = []
for (model_or_queryset, lookup), kwargs_list in adjustments.iteritems():
if isinstance(model_or_queryset, basestring):
app_label, model_name = model_or_queryset.split('.')
model_or_queryset = get_model(app_label, model_name)
if issubclass(model_or_queryset, Model):
queryset = model_or_queryset.objects.all()
elif isinstance(model_or_queryset, QuerySet):
queryset = model_or_queryset._clone()
else:
raise CommandError("Invalid model or queryset: {0}".format(model_or_queryset))
for kwargs in kwargs_list:
args.append((queryset, lookup, kwargs))
skipped_count = 0
remaining = []
remaining_count = 0
for queryset, lookup, kwargs in args:
bulk_helper = BulkAdjustmentHelper(queryset, lookup, **kwargs)
query_kwargs = bulk_helper.get_query_kwargs()
adjusted_images = AdjustedImage.objects.filter(**query_kwargs)
for adjusted_image in adjusted_images:
try:
del bulk_helper.remaining[adjusted_image.storage_path]
except KeyError:
pass
else:
skipped_count += 1
remaining_count += len(bulk_helper.remaining)
remaining.append((bulk_helper.remaining.keys(), kwargs))
self.stdout.write("Skipped {0} path{1} which have already been adjusted.\n".format(skipped_count, pluralize(skipped_count)))
if remaining_count == 0:
self.stdout.write("No paths remaining to adjust.\n")
else:
self.stdout.write("Adjusting {0} path{1}... ".format(remaining_count, pluralize(remaining_count)))
self.stdout.flush()
failed_count = 0
for storage_paths, kwargs in remaining:
for storage_path in storage_paths:
helper = AdjustmentHelper(storage_path, **kwargs)
try:
helper.adjust()
except IOError:
failed_count += 1
self.stdout.write("Done.\n")
if failed_count:
self.stdout.write("{0} path{1} failed due to I/O errors.".format(failed_count, pluralize(failed_count)))
if options['remove']:
queryset = AdjustedImage.objects.all()
for qs, lookup, kwargs in args:
bulk_helper = BulkAdjustmentHelper(qs, lookup, **kwargs)
query_kwargs = bulk_helper.get_query_kwargs()
queryset = queryset.exclude(**query_kwargs)
count = queryset.count()
if count == 0:
self.stdout.write("No adjusted images found to remove.\n")
else:
self.stdout.write("Removing {0} adjusted image{1}... ".format(count, pluralize(count)))
self.stdout.flush()
queryset.delete()
self.stdout.write("Done.\n")
# For pre-1.5: add an extra newline.
self.stdout.write("\n")
