NDOJ/judge/scripts/migrate_organization_image.py

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# Download organization images from "logo_override_image" and upload to organization_images folder to use "organization_image"
# In folder online_judge, run python3 manage.py shell < judge/scripts/migrate_organization_image.py
import os
import requests
from urllib.parse import urlparse
from django.core.files.base import ContentFile
from django.core.files.storage import default_storage
from django.conf import settings
from django.db import transaction
from judge.models import Organization
def is_valid_image_url(url):
try:
parsed_url = urlparse(url)
_, ext = os.path.splitext(parsed_url.path)
return ext.lower() in [".jpg", ".jpeg", ".png", ".gif", ".svg"]
except Exception as e:
return False
def download_image(url):
response = requests.get(url)
response.raise_for_status()
return ContentFile(response.content)
def organization_image_path(organization, filename):
tail = filename.split(".")[-1]
new_filename = f"organization_{organization.id}.{tail}"
return os.path.join(settings.DMOJ_ORGANIZATION_IMAGE_ROOT, new_filename)
@transaction.atomic
def migrate_images():
print("Start")
organizations = Organization.objects.all()
for org in organizations:
if org.logo_override_image:
if is_valid_image_url(org.logo_override_image):
try:
# Download the image
image_content = download_image(org.logo_override_image)
# Determine the file extension
file_ext = org.logo_override_image.split(".")[-1]
filename = f"organization_{org.id}.{file_ext}"
# Save the image to the new location
new_path = organization_image_path(org, filename)
saved_path = default_storage.save(new_path, image_content)
# Update the organization_image field
org.organization_image = saved_path
org.save()
print(f"Image for organization {org.id} migrated successfully.")
except Exception as e:
print(f"Failed to migrate image for organization {org.id}: {e}")
else:
print(
f"Invalid image URL for organization {org.id}: {org.logo_override_image}"
)
print("Finish")
migrate_images()