def post_change_log(change_log_record):
db_session = orm.get_session()
change_version = change_log_record.get('version')
change_log_record['created'] = datetime.datetime.utcnow()
try:
orm_changelog = orm.models.ChangeLog(**change_log_record)
except TypeError as e:
err = _report_conversion_error('changelog', e, **change_log_record)
return err, 400
try:
db_session.add(orm_changelog)
db_session.commit()
except exc.IntegrityError:
db_session.rollback()
err = _report_object_exists(
'changelog: ' + change_log_record['version'], **change_log_record)
return err, 405
except orm.ORMException as e:
err = _report_write_error('changelog', e, **change_log_record)
return err, 500
logger().info(
struct_log(action='post_change_log',
status='created',
change_version=change_version,
**change_log_record))
return change_log_record, 201, {
'Location': BasePath + '/changelog/' + change_version
}
def _report_proxy_auth_error(key, **kwargs):
"""
Generate standard log message for warning:
API access without
:param **kwargs: arbitrary keyword parameters
"""
message = 'Attempt to access with invalid proxy/api key: ' + key
logger().warning(struct_log(action=message, **kwargs))
def slice_expression_data(expr, sampleIDList, featureIDList, featureNameList,
minExpression, maxExpression, file_type):
"""
Performs the slicing on each expression file
:param threshold_input_type:
:return: temporary file response object
"""
tmp_dir = app.config.get('TMP_DIRECTORY')
output_file_id = uuid.uuid1()
output_filepath = tmp_dir + str(output_file_id) + '.' + file_type
feature_map = pkg_resources.resource_filename(
'candig_rnaget', 'expression/feature_mapping_HGNC.tsv')
try:
h5query = ExpressionQueryTool(expr.__filepath__,
output_filepath,
include_metadata=False,
output_type=file_type,
feature_map=feature_map)
if minExpression or maxExpression:
q = h5query.search_threshold(min_ft=minExpression,
max_ft=maxExpression,
feature_id_list=featureIDList,
feature_name_list=featureNameList,
samples=sampleIDList)
else:
q = h5query.search(samples=sampleIDList,
feature_id_list=featureIDList,
feature_name_list=featureNameList)
h5query.close()
# HDF5 file error
except OSError as err:
logger().warning(struct_log(action=str(err)))
return None
# Given feature list or sample ID does not contain any valid entries
except LookupError as err:
logger().warning(struct_log(action=str(err)))
return None
return generate_file_response(q, file_type, output_file_id, expr.studyID,
expr.units)
def post_expression(expression_record):
db_session = orm.get_session()
if expression_record.get('__filepath__'):
file_path = expression_record['__filepath__']
if not os.path.isfile(file_path):
err = Error(message="Invalid file path: " + file_path, code=400)
return err, 400
else:
err = Error(message="An absolute __filepath__ is required", code=400)
return err, 400
if not expression_record.get('id'):
iid = uuid.uuid1()
expression_record['id'] = iid
else:
iid = expression_record['id']
if not expression_record.get('version'):
expression_record['version'] = Version
if not expression_record.get('URL'):
base_url = app.config.get('BASE_DL_URL') + BasePath
expression_record[
'URL'] = base_url + '/expressions/download/' + os.path.basename(
file_path)
expression_record['created'] = datetime.datetime.utcnow()
try:
orm_expression = orm.models.File(**expression_record)
except TypeError as e:
err = _report_conversion_error('file', e, **expression_record)
return err, 400
try:
db_session.add(orm_expression)
db_session.commit()
except exc.IntegrityError:
db_session.rollback()
err = _report_object_exists('expression: ' + expression_record['URL'],
**expression_record)
return err, 405
except orm.ORMException as e:
db_session.rollback()
err = _report_write_error('expression', e, **expression_record)
return err, 500
logger().info(
struct_log(action='post_expression',
status='created',
expression_id=str(iid),
**expression_record))
return expression_record, 201, {
'Location': BasePath + '/expressions/' + str(iid)
}
def _report_object_exists(typename, **kwargs):
"""
Generate standard log message + request error for warning:
Trying to POST an object that already exists
:param typename: name of type involved
:param **kwargs: arbitrary keyword parameters
:return: Connexion Error() type to return
"""
report = typename + 'already exists'
logger().warning(struct_log(action=report, **kwargs))
return Error(message=report, code=405)
def _report_conversion_error(typename, exception, **kwargs):
"""
Generate standard log message + request error for warning:
Trying to POST an object that already exists
:param typename: name of type involved
:param exception: exception thrown by ORM
:param **kwargs: arbitrary keyword parameters
:return: Connexion Error() type to return
"""
report = 'Could not convert ' + typename + ' to ORM model'
message = typename + ': failed validation - could not convert to internal representation'
logger().error(
struct_log(action=report, exception=str(exception), **kwargs))
return Error(message=message, code=400)
def _report_search_failed(typename, exception, **kwargs):
"""
Generate standard log message + request error for error:
Internal error performing search
:param typename: name of type involved
:param exception: exception thrown by ORM
:param **kwargs: arbitrary keyword parameters
:return: Connexion Error() type to return
"""
report = typename + ' search failed'
message = 'Internal error searching for ' + typename + 's'
logger().error(
struct_log(action=report, exception=str(exception), **kwargs))
return Error(message=message, code=500)
def _report_write_error(typename, exception, **kwargs):
"""
Generate standard log message + request error for error:
Error writing to DB
:param typename: name of type involved
:param exception: exception thrown by ORM
:param **kwargs: arbitrary keyword parameters
:return: Connexion Error() type to return
"""
report = 'Internal error writing ' + typename + ' to DB'
message = typename + ': internal error saving ORM object to DB'
logger().error(
struct_log(action=report, exception=str(exception), **kwargs))
err = Error(message=message, code=500)
return err
def post_project(project_record):
db_session = orm.get_session()
if not project_record.get('id'):
iid = uuid.uuid1()
project_record['id'] = iid
else:
iid = project_record['id']
if not project_record.get('version'):
project_record['version'] = Version
project_record['created'] = datetime.datetime.utcnow()
try:
orm_project = orm.models.Project(**project_record)
except TypeError as e:
err = _report_conversion_error('project', e, **project_record)
return err, 400
try:
db_session.add(orm_project)
db_session.commit()
except exc.IntegrityError:
db_session.rollback()
err = _report_object_exists('project: ' + project_record['id'],
**project_record)
return err, 405
except orm.ORMException as e:
db_session.rollback()
err = _report_write_error('project', e, **project_record)
return err, 500
logger().info(
struct_log(action='post_project',
status='created',
project_id=str(iid),
**project_record))
return project_record, 201, {
'Location': BasePath + '/projects/' + str(iid)
}
def post_study(body):
db_session = orm.get_session()
if not body.get('id'):
iid = uuid.uuid1()
body['id'] = iid
else:
iid = body['id']
if not body.get('version'):
body['version'] = Version
body['created'] = datetime.datetime.utcnow()
try:
orm_study = orm.models.Study(**body)
except TypeError as e:
err = _report_conversion_error('study', e, **body)
return err, 400
try:
db_session.add(orm_study)
db_session.commit()
except exc.IntegrityError:
db_session.rollback()
err = _report_object_exists('study: ' + body['id'], **body)
return err, 405
except orm.ORMException as e:
db_session.rollback()
err = _report_write_error('study', e, **body)
return err, 500
logger().info(
struct_log(action='post_study',
status='created',
project_id=str(iid),
**body))
return body, 201, {'Location': BasePath + '/studies/' + str(iid)}
def slice_expression_data(expr,
sampleID,
featureIDList,
featureNameList,
minExpression,
maxExpression,
file_type,
threshold_label='name',
threshold_input_type='array'):
"""
Performs the slicing on each expression file
:param threshold_input_type:
:return: temporary file response object
"""
tmp_dir = app.config.get('TMP_DIRECTORY')
output_file_id = uuid.uuid1()
output_filepath = tmp_dir + str(output_file_id) + '.' + file_type
feature_map = pkg_resources.resource_filename(
'candig_rnaget', 'expression/feature_mapping_HGNC.tsv')
try:
h5query = ExpressionQueryTool(expr.__filepath__,
output_filepath,
include_metadata=False,
output_type=file_type,
feature_map=feature_map)
if sampleID or featureIDList or featureNameList:
q = h5query.search(sample_id=sampleID,
feature_list_id=featureIDList,
feature_list_name=featureNameList)
elif minExpression:
if threshold_input_type == 'object':
if validate_threshold_object(
minExpression[0])[0] == 'featureName':
threshold_label = 'name'
else:
threshold_label = 'id'
threshold_array = convert_threshold_array(
minExpression, input_format=threshold_input_type)
q = h5query.search_threshold(threshold_array,
ft_type='min',
feature_label=threshold_label)
else:
if threshold_input_type == 'object':
if validate_threshold_object(
maxExpression[0])[0] == 'featureName':
threshold_label = 'name'
else:
threshold_label = 'id'
threshold_array = convert_threshold_array(
maxExpression, input_format=threshold_input_type)
q = h5query.search_threshold(threshold_array,
ft_type='max',
feature_label=threshold_label)
h5query.close()
# HDF5 file error
except OSError as err:
logger().warning(struct_log(action=str(err)))
return None
# Given feature list or sample ID does not contain any valid entries
except LookupError as err:
logger().warning(struct_log(action=str(err)))
return None
return generate_file_response(q, file_type, output_file_id, expr.studyID,
expr.units)
