def map(item):
try:
exploration = exp_services.get_exploration_by_id(item.id)
# Handle case where the exploration is deleted.
except Exception as e:
return
latest_exp_version = exploration.version
version_numbers = range(1, latest_exp_version + 1)
try:
exp_services.get_multiple_explorations_by_version(
item.id, version_numbers)
except Exception as e:
yield (item.id, e)
return
def map(item):
if item.deleted:
return
exploration = exp_services.get_exploration_from_model(item)
explorations = []
# Fetch all versions of the exploration, if they exist.
if exploration.version > 1:
# Ignore latest version since we already have corresponding
# exploration.
versions = range(1, exploration.version)
# Get all exploration versions for current exploration id.
try:
explorations = (
exp_services.get_multiple_explorations_by_version(
exploration.id, versions))
except Exception as e:
yield ('ERROR with exp_id %s' % item.id, str(e))
return
# Append latest exploration to the list of explorations.
explorations.append(exploration)
# Retrieve list of snapshot models representing each version of the
# exploration.
versions = range(1, exploration.version + 1)
snapshots_by_version = (
exp_models.ExplorationModel.get_snapshots_metadata(
exploration.id, versions))
# Create and save state id mapping model for all exploration versions.
for exploration, snapshot in zip(explorations, snapshots_by_version):
if snapshot is None:
yield (
'ERROR with exp_id %s' % item.id,
'Error: No exploration snapshot metadata model instance '
'found for exploration %s, version %d' %
(exploration.id, exploration.version))
return
change_list = snapshot['commit_cmds']
# Check if commit is to revert the exploration.
if change_list and change_list[0]['cmd'].endswith(
'revert_version_number'):
reverted_version = change_list[0]['version_number']
exp_services.create_and_save_state_id_mapping_model_for_reverted_exploration( # pylint: disable=line-too-long
exploration.id, exploration.version - 1, reverted_version)
else:
exp_services.create_and_save_state_id_mapping_model(
exploration, change_list)
yield (exploration.id, exploration.version)
def map(item):
if item.deleted:
return
try:
exploration = exp_services.get_exploration_from_model(item)
except Exception as e:
yield ('ERROR get_exp_from_model: exp_id %s' % item.id, str(e))
return
# Commit commands which are required to generate state id mapping for
# given version of exploration from previous version of exploration.
RELEVANT_COMMIT_CMDS = [
exp_domain.CMD_ADD_STATE,
exp_domain.CMD_RENAME_STATE,
exp_domain.CMD_DELETE_STATE,
exp_models.ExplorationModel.CMD_REVERT_COMMIT
]
explorations = []
# Fetch all versions of the exploration, if they exist.
if exploration.version > 1:
# Ignore latest version since we already have corresponding
# exploration.
versions = range(1, exploration.version)
# Get all exploration versions for current exploration id.
try:
explorations = (
exp_services.get_multiple_explorations_by_version(
exploration.id, versions))
except Exception as e:
yield (
'ERROR get_multiple_exp_by_version exp_id %s' % item.id,
str(e))
return
# Append latest exploration to the list of explorations.
explorations.append(exploration)
# Retrieve list of snapshot models representing each version of the
# exploration.
versions = range(1, exploration.version + 1)
snapshots_by_version = (
exp_models.ExplorationModel.get_snapshots_metadata(
exploration.id, versions))
# Create and save state id mapping model for all exploration versions.
for exploration, snapshot in zip(explorations, snapshots_by_version):
if snapshot is None:
yield (
'ERROR with exp_id %s' % item.id,
'Error: No exploration snapshot metadata model instance '
'found for exploration %s, version %d' % (
exploration.id, exploration.version))
return
change_list = [
exp_domain.ExplorationChange(change_cmd)
for change_cmd in snapshot['commit_cmds']
if change_cmd['cmd'] in RELEVANT_COMMIT_CMDS
]
try:
# Check if commit is to revert the exploration.
if change_list and change_list[0].cmd == (
exp_models.ExplorationModel.CMD_REVERT_COMMIT):
reverted_version = change_list[0].version_number
# pylint: disable=line-too-long
state_id_mapping = exp_services.generate_state_id_mapping_model_for_reverted_exploration(
exploration.id, exploration.version - 1,
reverted_version)
# pylint: enable=line-too-long
else:
state_id_mapping = (
exp_services.generate_state_id_mapping_model(
exploration, change_list))
state_id_mapping_model = exp_models.StateIdMappingModel.create(
state_id_mapping.exploration_id,
state_id_mapping.exploration_version,
state_id_mapping.state_names_to_ids,
state_id_mapping.largest_state_id_used, overwrite=True)
state_id_mapping_model.put()
except Exception as e:
yield (
'ERROR with exp_id %s version %s' % (
item.id, exploration.version),
traceback.format_exc())
return
yield (exploration.id, exploration.version)
