class AlveoSegmentationRoute(SegmenterWrapper):
decorators = [
auth_required,
limiter.limit("15 per minute"),
limiter.limit("150 per day")
]
def _processor_get(self, user_id, remote_path):
api_key = g.user.remote_api_key
verify_access(remote_path, api_key)
short_path = shorten_path(remote_path)
result = get_binary_object(short_path)
if result is None:
result = segment_document(remote_path, api_key)
if result is None:
abort(400, 'Could not access requested document')
else:
create_binary_object(short_path, result)
return result
def _processor_post(self, user_id, audiofile):
result = segment_audio_data(audiofile.read())
if result is None:
abort(400, "Uploaded file is not a valid .wav audio file.")
return result
class AlveoASRRetrieveJobRoute(RetrieveJobWrapper):
decorators = [
auth_required,
limiter.limit("25 per minute"),
limiter.limit("1000 per day")
]
def _processor_get(self, user_id, job_id):
jobs = job_query(user_id=user_id, job_id=job_id)
if len(jobs) < 1:
abort(404, "You have no job matching that job_id")
job = jobs[0]
status = job.status
ds_object = job.datastore
data = {
"job_id": job_id,
"status": JobTypes(status).name,
"description": job.description
}
if status is JobTypes.FINISHED.value:
data["result"] = export_asrdata(ds_object)
return data
class AlveoASRCancelJobRoute(CancelJobWrapper):
decorators = [
auth_required,
limiter.limit("50 per minute"),
limiter.limit("1000 per hour"),
limiter.limit("5000 per day")
]
def _processor_get(self, user_id, job_id):
jobs = job_query(user_id=user_id, job_id=job_id)
if len(jobs) < 1:
abort(404, "You have no job matching that job_id")
job_model = jobs[0]
status = job_model.status
if status is not JobTypes.QUEUED.value:
abort(401, "Job ID `%s` is not queued" % job_id)
job_object = redis_queue.fetch_job(job_model.external_id)
if job_object is None:
job_model.status = JobTypes.FAILED
abort(
401, "Job ID `%s` couldn't be found. Moving to 'failed' pool" %
job_id)
job_object.cancel()
job_model.status = JobTypes.CANCELLED
db.session.delete(job_model.datastore)
job_model.datastore = None
db.session.commit()
return {"status": "cancelled", "job_id": job_id}
class AlveoListByUserRoute(ListByUserWrapper):
decorators = [
auth_required,
limiter.limit("75 per minute"),
limiter.limit("1000 per hour"),
limiter.limit("5000 per day")
]
def _processor_get(self, user_id):
return datastore_list(user_id=user_id)
class AlveoExportByUserRoute(ExportByUserWrapper):
decorators = [
auth_required,
limiter.limit("10 per minute"),
limiter.limit("40 per hour"),
limiter.limit("200 per day")
]
def _processor_get(self, user_id):
return datastore_export(user_id=user_id)
class AlveoASRAddJobRoute(AddJobWrapper):
decorators = [
auth_required,
limiter.limit("5 per minute"),
limiter.limit("50 per day")
]
def _processor_get(self, user_id, remote_path):
api_key = g.user.remote_api_key
verify_access(remote_path, api_key)
short_path = shorten_path(remote_path)
# Check cache first.
# Note/TODO: Does not check the job queue. Would that even be ideal?
# Another user could cancel their job. Jobs would need multiple authors.
cached_asr = Datastore.query.filter(
Datastore.key == '%s:%s:%s' % (DOMAIN, ENGINE, short_path)).filter(
Datastore.user_id == g.user.id).first()
if cached_asr is not None:
if cached_asr.alias == "ready":
return {
"status": "cached",
"result": export_asrdata(cached_asr)
}
else:
return {
"status": "pending",
"job_id": cached_asr.alias.split(":")[1]
}
worker = redis_queue.enqueue(transcribe_document, remote_path, api_key)
ds = Datastore(key="%s:%s:%s" % (DOMAIN, ENGINE, short_path),
value="{}",
storage_spec="asr-engine-gcloud/json/1.0",
user=g.user,
alias="init:%s" % worker.id)
job = Job(external_id=worker.id,
user=g.user,
datastore=ds,
description="ASR via engine 'gcloud' for item: %s" %
short_path)
db.session.add(ds)
db.session.add(job)
db.session.commit()
return {"status": "queued", "job_id": job.id}
def _processor_post(self, user_id, audiofile):
result = transcribe(audiofile.read())
if result is None:
abort(400, "Uploaded file is not a valid .wav audio file.")
return result
class AlveoSegmentationRoute(SegmenterWrapper):
decorators = [
auth_required,
limiter.limit("15 per minute"),
limiter.limit("150 per day")
]
def _processor_get(self, user_id, remote_path):
api_path = str(urlparse(remote_path).path)
if '/' not in api_path or api_path == "/":
abort(
400,
'Request did not include an Alveo document identifier to segment'
)
# We care more about the user itself than the user_id, another option
# is to query the database for something that matches the key but that
# would be slower
api_key = g.user.remote_api_key
alveo_metadata = get_module_metadata("alveo")
api_url = alveo_metadata['api_url']
client = pyalveo.Client(api_url=api_url,
api_key=api_key,
use_cache=False,
update_cache=False,
cache_dir=None)
# Check if we can access the list first.
# Would be good if we could just check Alveo permissions instead of retrieving the item directly.
# https://github.com/Alveo/pyalveo/issues/11
try:
itemlist_path = remote_path.split('/document/')[0]
itemlist = client.get_item(itemlist_path)
except APIError as e:
abort(400, "Response from remote host: \n" + str(e))
result = get_cached_result(shorten_path(remote_path))
if result is None:
result = segment_document(remote_path, api_key)
if result is None:
abort(400, 'Could not access requested document')
else:
cache_result(shorten_path(remote_path), result)
return result
def _processor_post(self, user_id, audiofile):
result = segment_audio_data(audiofile.read())
if result is None:
abort(400, "Uploaded file is not a valid .wav audio file.")
return result
class AlveoStoreRoute(StoreWrapper):
decorators = [
auth_required,
limiter.limit("1000 per minute"),
limiter.limit("20000 per hour"),
limiter.limit("100000 per day")
]
def _processor_get(self, object_id, user_id=None, version=None):
query = Datastore.query.filter(Datastore.id == object_id).first()
if query is None:
abort(404, 'No match for the provided id')
user = User.query.filter(User.id == query.user_id).first()
if not user.domain == DOMAIN:
abort(
403,
'You don\'t have permission to read the storage of an external user'
)
base_query = query
if version != None:
try:
query = query.versions[version]
except:
abort(404, 'Version doesn\'t exist for provided id')
else:
version = query.versions.count() - 1
data = json.loads(query.value.decode())
original_author = base_query.versions[0].user
total_versions = base_query.versions.count()
version_author = query.user
return {
'id': query.id,
'key': str(query.key.split(':', 1)[1]),
'version': version,
'total_versions': total_versions,
'transcription': data,
'alias': query.alias,
'annotations_total': len(data),
'timestamp': query.timestamp.isoformat(),
'storage_spec': query.storage_spec,
'author': {
'original': {
'ats_id': original_author.id,
'domain': original_author.domain,
'remote_id': original_author.remote_id
},
'version': {
'ats_id': version_author.id,
'domain': version_author.domain,
'remote_id': version_author.remote_id
}
}
}
def _processor_post(self, key, value, storage_spec, alias=None):
if key is None or len(key) < 2:
abort(400, 'Key is invalid or too short')
if alias is None or len(alias) < 1:
alias = "default"
validate_data(value)
key = '%s:%s' % (DOMAIN, key)
model = Datastore.query.filter(Datastore.key == key).filter(
Datastore.alias == alias).filter(
Datastore.user_id == g.user.id).first()
data = json.dumps(value)
if model is None:
model = Datastore(key, data, storage_spec, g.user, alias)
db.session.add(model)
else:
model.set_value(data)
model.storage_spec = storage_spec
model.timestamp = datetime.datetime.now()
db.session.commit()
return {
'id': model.id,
'version': model.versions.count() - 1,
'timestamp': model.timestamp,
'alias': alias
}