def save_image(self, exercise, filename, db_filename=None):
"""
Helper function to save an image to an exercise
"""
with open(f'wger/exercises/tests/{filename}', 'rb') as inFile:
if not db_filename:
db_filename = filename
image = ExerciseImage()
image.exercise_base = exercise.exercise_base
image.status = ExerciseImage.STATUS_ACCEPTED
image.image.save(db_filename, File(inFile))
image.save()
return image.pk
def handle(self, **options):
if not settings.MEDIA_ROOT:
raise ImproperlyConfigured(
'Please set MEDIA_ROOT in your settings file')
remote_url = options['remote_url']
try:
val = URLValidator()
val(remote_url)
except ValidationError:
raise CommandError('Please enter a valid URL')
headers = {
'User-agent':
default_user_agent('wger/{} + requests'.format(get_version()))
}
# Get all images
page = 1
all_images_processed = False
result = requests.get(IMAGE_API.format(remote_url),
headers=headers).json()
self.stdout.write('*** Processing images ***')
while not all_images_processed:
self.stdout.write('')
self.stdout.write(f'*** Page {page}')
self.stdout.write('')
for image_data in result['results']:
image_uuid = image_data['uuid']
self.stdout.write(f'Processing image {image_uuid}')
try:
exercise_base = ExerciseBase.objects.get(
id=image_data['exercise_base'])
except ExerciseBase.DoesNotExist:
self.stdout.write(
' Remote exercise base not found in local DB, skipping...'
)
continue
try:
image = ExerciseImage.objects.get(uuid=image_uuid)
self.stdout.write(
' Image already present locally, skipping...')
continue
except ExerciseImage.DoesNotExist:
self.stdout.write(
' Image not found in local DB, creating now...')
image = ExerciseImage()
image.uuid = image_uuid
# Save the downloaded image
# http://stackoverflow.com/questions/1308386/programmatically-saving-image-to-
retrieved_image = requests.get(image_data['image'],
headers=headers)
# Temporary files on windows don't support the delete attribute
if os.name == 'nt':
img_temp = NamedTemporaryFile()
else:
img_temp = NamedTemporaryFile(delete=True)
img_temp.write(retrieved_image.content)
img_temp.flush()
image.exercise_base = exercise_base
image.is_main = image_data['is_main']
image.status = image_data['status']
image.image.save(
os.path.basename(os.path.basename(image_data['image'])),
File(img_temp),
)
image.save()
self.stdout.write(self.style.SUCCESS(' successfully saved'))
if result['next']:
page += 1
result = requests.get(result['next'], headers=headers).json()
else:
all_images_processed = True