def do_store(sender, **kwargs):
asset = kwargs['asset']
asset_uuid = asset.uuid
asset_file = kwargs['asset_file']
asset_file.seek(0) # Might have been read by other handlers
with write_lock:
destination = open(get_filename(asset_uuid), 'wb')
for chunk in asset_file.chunks():
destination.write(chunk)
destination.close()
return True
store_asset.connect(do_store)
def do_retrieve(sender, **kwargs):
asset_uuid = kwargs['asset_uuid']
source = open(get_filename(asset_uuid), 'rb')
return source
retrieve_asset.connect(do_retrieve)
def do_delete(sender, **kwargs):
asset_uuid = kwargs['asset_uuid']
try:
os.remove(get_filename(asset_uuid))
# Hash - use Django chunks, so can handle big files decently
hasher = hashlib.sha256()
for chunk in asset_file.chunks():
hasher.update(chunk)
asset.hash_value = 'SHA256|' + hasher.hexdigest()
# Save
asset.save()
return True
## Returns the 'emptymap asset', a basis for new maps
@staticmethod
def get_emptymap():
owner = UserAccount.get_initial_asset_creator()
ret = AssetInfo.objects.filter(location='base/emptymap.tar.gz')
ret = filter(lambda r: r.owners.all()[0].uuid == owner.uuid, ret)[0]
return ret
store_asset.connect(AssetInfo.calculate_metadata, weak=False)
classes = [UserAccount, ServerInstance, Activity, AssetInfo]
for _class in classes:
intensity_uuid_model(_class)
# Set home dir, to our parent (ignored if already set)
import intensity.conf as intensity_conf
intensity_conf.set_home_dir()
for chunk in asset_file.chunks():
hasher.update(chunk)
asset.hash_value = 'SHA256|' + hasher.hexdigest()
# Save
asset.save()
return True
## Returns the 'emptymap asset', a basis for new maps
@staticmethod
def get_emptymap():
owner = UserAccount.get_initial_asset_creator()
ret = AssetInfo.objects.filter(location='base/emptymap.tar.gz')
ret = filter(lambda r: r.owners.all()[0].uuid == owner.uuid, ret)[0]
return ret
store_asset.connect(AssetInfo.calculate_metadata, weak=False)
classes = [UserAccount, ServerInstance, Activity, AssetInfo]
for _class in classes:
intensity_uuid_model(_class)
# Set home dir, to our parent (ignored if already set)
import intensity.conf as intensity_conf
intensity_conf.set_home_dir()
