def add_labels(self, labels):
cursor = get_db_cursor()
labels_csv = ""
for label in labels:
labels_csv += str(label) + ','
labels_csv = labels_csv[:-1]
sql_query = f"EXEC CreateCollectionLabelMapping @CollectionId={self.id}, @Labels='{labels_csv}'"
created_mappings = None
try:
with cursor:
result = cursor.execute(sql_query)
created_mappings = result.fetchall()
except Exception as e:
message = f"Cannot map collection '{self.id}' with labels - {labels_csv}"
raise HTTPException(detail=message, status_code=409)
created_mappings_list = []
for created_mapping in created_mappings:
created_mappings_list.append({
"label":
Label(created_mapping.LabelId, name=created_mapping.LabelName),
"collection":
Collection(created_mapping.CollectionId,
name=created_mapping.CollectionName)
})
return created_mappings_list
def add_to_collection(self, collection):
cursor = get_db_cursor()
sql_query = """INSERT INTO voiceapp_collectionsmap(Collection_id, Label_id)
SELECT ?, ?"""
try:
with cursor:
cursor.execute(sql_query, collection.id, self.id)
except Exception as e:
raise HTTPException(
detail=
f"Cannot add label - {self.id} to collection {collection.id}",
status_code=409)
def get_active_device_count():
cursor = get_db_cursor()
sql_query = """SELECT COUNT(1) AS DeviceCount FROM Devices"""
device_count = None
try:
with cursor:
result = cursor.execute(sql_query)
device_count = result.fetchone()
except Exception as e:
message = "Cannot get device count"
raise HTTPException(detail=message, status_code=500)
return CustomResponse(content={"deviceCount": device_count.DeviceCount},
status_code=200)
def get_sample_count():
cursor = get_db_cursor()
sql_query = """SELECT COUNT(1) AS SampleCount FROM Samples"""
sample_count = None
try:
with cursor:
result = cursor.execute(sql_query)
sample_count = result.fetchone()
except Exception as e:
message = "Cannot get sample count"
raise HTTPException(detail=message, status_code=500)
return CustomResponse(content={"sampleCount": sample_count.SampleCount},
status_code=200)
def get_label_count():
cursor = get_db_cursor()
sql_query = """SELECT COUNT(1) AS LabelCount FROM Labels WHERE IsActive = 1"""
label_count = None
try:
with cursor:
result = cursor.execute(sql_query)
label_count = result.fetchone()
except Exception as e:
message = "Cannot get label count"
raise HTTPException(detail=message, status_code=500)
return CustomResponse(content={"labelCount": label_count.LabelCount},
status_code=200)
def create(cls, name: str):
cursor = get_db_cursor()
sql_query = f"EXEC CreateLabels @LabelName = '{name}'"
try:
with cursor:
result = cursor.execute(sql_query)
created_label = result.fetchone()
except Exception as e:
message = f"Cannot create label with name - {name}"
if isinstance(e, Error) and e.args[1].find('52000') != -1:
message = f"a label with given name - '{name}', already exists"
raise HTTPException(detail=message, status_code=409)
return cls(created_label.Id, name=name, sample_count=0)
def get_label_count():
cursor = get_db_cursor()
sql_query = """SELECT COUNT(1) AS SpeecAPICount FROM SpeechAPI WHERE IsActive = 1"""
speech_api_count = None
try:
with cursor:
result = cursor.execute(sql_query)
speech_api_count = result.fetchone()
except Exception as e:
message = "Cannot get speech api count"
raise HTTPException(detail=message, status_code=500)
return CustomResponse(
content={"speechAPICount": speech_api_count.SpeecAPICount},
status_code=200)
def get_all(cls):
cursor = get_db_cursor()
sql_query = "SELECT LabelId AS Id, Name, SampleCount FROM Labels WHERE IsActive = 1"
try:
with cursor:
result = cursor.execute(sql_query)
labels = result.fetchall()
except Exception as e:
raise HTTPException(detail=f"Cannot fetch labels", status_code=409)
if len(labels) == 0:
return []
labels_list = []
for label in labels:
labels_list.append(
cls(label.Id, name=label.Name, sample_count=label.SampleCount))
return labels_list
def get_sample_durations(self):
cursor = get_db_cursor()
sql_query = "EXEC GetSampleDurations @SpeechAPIId = ?"
try:
with cursor:
result = cursor.execute(sql_query, self.id)
sample_durations = result.fetchall()
except Exception as e:
raise HTTPException(
detail=
f"Cannot fetch sample durations of the SpeechAPI - {self.id}",
status_code=409)
if len(sample_durations) == 0:
return []
sample_durations_list = []
for sample_duration in sample_durations:
sample_durations_list.append(sample_duration.SampleDurations)
return sample_durations_list
def get_labels_of_speech_api(self, sample_duration):
cursor = get_db_cursor()
sql_query = f"EXEC GetLabelsOfSpeechAPI @SpeechAPIId = {self.id}, @SampleDuration = {sample_duration}"
try:
with cursor:
result = cursor.execute(sql_query)
labels = result.fetchall()
except Exception as e:
raise HTTPException(
detail=f"Cannot fetch labels of the SpeechAPI - {self.id}",
status_code=409)
labels_list = []
for label in labels:
labels_list.append(
Label(label.Id,
name=label.Name,
sample_count=label.SampleCount))
return labels_list
def get_sample_submission_trend():
cursor = get_db_cursor()
sql_query = """SELECT CAST(CreatedAt AS Date) AS Date, COUNT(1) AS SubmissionCount
FROM Samples
GROUP BY CAST(CreatedAt AS Date)"""
try:
with cursor:
result = cursor.execute(sql_query)
sample_submission_trend = result.fetchall()
except Exception as e:
message = "Cannot get sample submission trend"
raise HTTPException(detail=message, status_code=500)
result_list = []
for row in sample_submission_trend:
result_list.append({
"submissionDate": row.Date,
"submissionCount": row.SubmissionCount
})
return CustomResponse(content={"sampleSubmissionTrend": result_list},
status_code=200)
def create(cls, name, description=None, labels=None):
cursor = get_db_cursor()
if not labels or len(labels) == 0:
raise HTTPException(
detail="SpeechAPI needs atleast 1 active label")
if not description:
description = name
sql_query = f"EXEC CreateSpeechAPI @Name='{name}', @Description='{description}', @Labels='{labels}'"
try:
with cursor:
result = cursor.execute(sql_query)
created_speech_api = result.fetchone()
except Exception as e:
message = f"Cannot fetch labels of the SpeechAPI - {name}"
if isinstance(e, Error) and e.args[1].find('52000') != -1:
message = f"a speechAPI with given name - '{name}', already exists"
elif isinstance(e, Error) and e.args[1].find('53000') != -1:
message = f"{labels} are not active"
raise HTTPException(detail=message, status_code=409)
return created_speech_api
def get_collections(self):
cursor = get_db_cursor()
sql_query = f"EXEC GetCollections @LabelId={self.id}"
try:
with cursor:
cursor.execute(sql_query)
result = cursor.fetchall()
except Exception as e:
raise HTTPException(
detail=f"Cannot fetch Collections of Label - {self.id}",
status_code=409)
collections_list = []
for collection in result:
collections_list.append(
Collection(collection.Id,
name=collection.CollectionName,
sample_needed_per_label=collection.SamplesPerLabel,
duration_in_seconds_per_sample=collection.
SampleDurationInSeconds))
return collections_list
def get_all(cls):
cursor = get_db_cursor()
sql_query = "EXEC GetActiveSpeechAPI"
try:
with cursor:
result = cursor.execute(sql_query)
speech_apis = result.fetchall()
except Exception as e:
raise HTTPException(detail=f"Cannot fetch SpeechAPIs",
status_code=409)
if len(speech_apis) == 0:
return []
speech_apis_list = []
for speech_api in speech_apis:
speech_apis_list.append(
cls(speech_api.Id,
name=speech_api.Name,
type=speech_api.Type,
training_status=speech_api.TrainingStatus))
return speech_apis_list
def get_all(cls):
cursor = get_db_cursor()
sql_query = """SELECT CollectionId AS Id, Name, SampleDurationInSeconds, SamplesPerLabel
FROM Collections WHERE IsActive = 1"""
collections = None
try:
with cursor:
result = cursor.execute(sql_query)
collections = result.fetchall()
except Exception as e:
message = "Cannot fetch collections"
raise HTTPException(detail=message, status_code=409)
collection_instances = []
for collection in collections:
collection_instances.append(
cls(collection.Id,
name=collection.Name,
duration_in_seconds_per_sample=collection.
SampleDurationInSeconds,
sample_needed_per_label=collection.SamplesPerLabel))
return collection_instances
def get_labels_of_speech_api_version(self):
cursor = get_db_cursor()
sql_query = f"EXEC GetLabelsOfSpeechAPIVersion @SpeechAPIVersionId={self.id}"
try:
with cursor:
result = cursor.execute(sql_query)
labels = result.fetchall()
except Exception as e:
raise HTTPException(
detail=
f"Cannot fetch labels of the speechAPIVersion - {self.id}",
status_code=409)
if len(labels) == 0:
return []
labels_list = []
for label in labels:
labels_list.append(
Label(label.Id,
name=label.Name,
sample_count=label.SampleCount))
return labels_list
def get_sample_duration_of_labels(cls, label_instance_list):
cursor = get_db_cursor()
labels_csv = ""
for label_instance in label_instance_list:
labels_csv += str(label_instance.id) + ','
labels_csv = labels_csv[:-1]
sql_query = f"EXEC GetSampleDurationsOfLabels @Labels = '{labels_csv}'"
try:
with cursor:
result = cursor.execute(sql_query)
durations = result.fetchall()
except Exception as e:
raise HTTPException(
detail=f"Cannot fetch durations of the labels - {labels_csv}",
status_code=409)
if len(durations) == 0:
return []
durations_list = []
for duration in durations:
durations_list.append(duration.SampleDurationInSeconds)
return durations_list
def create(cls,
sample_needed_per_label: int,
duration_in_seconds_per_sample: int,
name: str = None,
*args,
**kwargs):
cursor = get_db_cursor()
sql_query = f"EXEC CreateCollections @SampleDurationInSeconds={duration_in_seconds_per_sample}, @SamplesPerLabel={sample_needed_per_label}, @Name='{name}'"
created_collection = None
try:
with cursor:
result = cursor.execute(sql_query)
created_collection = result.fetchone()
except Exception as e:
message = f"Cannot create collection with name - {name}"
if isinstance(e, Error) and e.args[1].find('52000') != -1:
message = f"a collection with given name - '{name}', already exists"
raise HTTPException(detail=message, status_code=409)
return cls(
created_collection.Id,
name=name,
sample_needed_per_label=sample_needed_per_label,
duration_in_seconds_per_sample=duration_in_seconds_per_sample)
def get_speech_api_versions(self):
cursor = get_db_cursor()
sql_query = """SELECT SpeechApi_id AS Id, VersionNumber, IsActive, UpdatedAt AS LastUpdated
FROM SpeechApiVersions
WHERE SpeechApi_id = ?"""
try:
with cursor:
result = cursor.execute(sql_query, self.id)
speech_api_versions = result.fetchall()
except Exception as e:
raise HTTPException(
detail=f"Cannot fetch versions of the SpeechAPI - {self.id}",
status_code=409)
if len(speech_api_versions) == 0:
return []
speech_api_versions_list = []
for speech_api_version in speech_api_versions:
speech_api_versions_list.append(
SpeechAPIVersion(speech_api_version.Id,
speech_api=self,
version=speech_api_version.VersionNumber,
last_updated=speech_api_version.LastUpdated,
is_active=speech_api_version.IsActive))
return speech_api_versions_list
def train(self, labels_id_csv, sample_duration_cut_off=5):
# intentional 2 seperate DB calls
# get labels names from DB
cursor = get_db_cursor()
sql_query = f"EXEC GetLabelNames @LabelIds = '{labels_id_csv}'"
try:
with cursor:
result = cursor.execute(sql_query)
labels = result.fetchall()
except Exception as e:
raise HTTPException(
detail=f"Cannot fetch names of the label IDs - {labels_id_csv}",
status_code=409)
label_names_csv = ""
for label in labels:
label_names_csv += label.Name + ','
label_names_csv = label_names_csv[:-1]
if not hasattr(self, "name") or not self.name:
# get speech api name from DB
cursor = get_db_cursor()
sql_query = """SELECT Name
FROM SpeechAPI
WHERE SpeechAPIId = ?
AND IsActive = 1"""
try:
with cursor:
result = cursor.execute(sql_query, self.id)
speech_api = result.fetchone()
except Exception as e:
raise HTTPException(
detail=
f"Cannot fetch name of the speech API ID - {self.id}",
status_code=409)
if speech_api is None:
raise HTTPException(
detail=f"No active speech API exists with ID - {self.id}",
status_code=409)
self.name = speech_api.Name
# connect to remote shell
try:
ssh_client = paramiko.SSHClient()
ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh_client.connect(hostname=config.gpu_host,
username=config.gpu_username,
password=config.gpu_password)
stdin, stdout, stderr = ssh_client.exec_command(
f'touch labels.csv')
stdin, stdout, stderr = ssh_client.exec_command(
f'echo "{label_names_csv}" >> "labels.csv"')
stdin, stdout, stderr = ssh_client.exec_command(
f'echo "{sample_duration_cut_off}" >> "labels.csv"')
stdin, stdout, stderr = ssh_client.exec_command(
f'echo "{self.name}" >> "labels.csv"')
stdin, stdout, stderr = ssh_client.exec_command(
f'mv labels.csv /home/mlvgadmin/Data/dev/watch/')
ssh_client.close()
except Exception as e:
raise HTTPException(detail="Cannot trigger training pipeline",
status_code=500)
