def copy_records(ctx, recreate_db=False):
"""Copy database records from old site.
This is messy because only certain records are copied from the old
site while others are loaded from fixtures.
"""
setup()
from django.db import connections
from django.contrib.auth import get_user_model
from elasticmodels import suspended_updates
settings = get_settings()
settings.DATABASES['old'] = {
'ENGINE': 'django.contrib.gis.db.backends.postgis',
'HOST': 'pgsql.rc.pdx.edu',
'NAME': 'invhotline',
'USER': '******',
'PASSWORD': getpass(
'Old database password (get from '
'/vol/www/invasivespecieshotline/invasivespecieshotline/config/database.yml): '
),
}
User = get_user_model()
if recreate_db:
createdb(ctx, drop=True)
migrate(ctx)
loaddata(ctx)
with suspended_updates():
_copy_records(settings)
default = connections['default']
print('Updating sequences...', end='')
tables = (
'category', 'comment', 'county', 'image', 'invite', 'notification', 'report', 'species',
'user', 'user_notification_query',
)
statement = """
SELECT setval(
pg_get_serial_sequence('{table}', '{table}_id'),
coalesce(max({table}_id), 0) + 1,
false
)
FROM "{table}";
"""
statements = ' '.join(statement.format(table=table) for table in tables)
default.cursor().execute(statements)
print('Done')
print('Updating expert contact name...', end='')
expert = User.objects.filter(first_name='EXPERT', last_name='CONTACT')
expert.update(first_name='', last_name='')
print('Done')
def copy_images(ctx, dry_run=False):
"""Copy images from old site."""
settings = get_settings()
src_dir = '/vol/www/invasivespecieshotline/invasivespecieshotline/public/uploads/images/0000'
dest_dir = os.path.join(settings.MEDIA_ROOT, 'images')
if os.path.exists(dest_dir):
print('Destination image directory exists at', dest_dir)
else:
print('Creating destination image directory at', dest_dir)
os.makedirs(dest_dir)
src_files = []
for dirpath, dirnames, filenames in os.walk(src_dir):
paths = [os.path.join(dirpath, f) for f in filenames]
paths = [os.path.relpath(p, src_dir) for p in paths]
src_files.extend(paths)
for src_file in src_files:
src_path = os.path.join(src_dir, src_file)
dest_path = os.path.join(dest_dir, src_file.replace(os.sep, '-'))
print(src_path, '=>', dest_path)
if not dry_run:
shutil.copyfile(src_path, dest_path)