def remove_low_counts(data, method="sum", threshold=50, target_identifier=""):
params = cc.CleanParameters("umc")
params.min_sum_count = threshold
report = cc.clean_gene_count_file(data, params)
dataset = dr.create_data_set(report.dataset_identifier, "genes low counts removed", report.dataset_location)
print(dataset.added_on)
return dataset
def remove_non_expressed_genes(data, source_identifier, custom_prefix="no_outliers_"):
new_set = data[-(data.iloc[:, 1:].sum(1) == 0)]
target_name = custom_prefix + source_identifier
location = APP_CONFIG["application_base_location"] + target_name + ".txt"
created = dr.create_data_set(identifier=target_name, type=dr.ACTION_TYPES["zcounts"], location=location)
new_set.to_csv(location, index=False, sep="\t")
return created
def normalize_gene_counts(data, method, threshold=None, target_identifier="", experiment_identifier=""):
# if exists -> get from db
processing_result = cn.bioconductor_normalization(data, method)
new_intern_identifier = identifier_generator.get_generated_guid_as_string()
hdf_storage.store_hdf(processing_result.frame, new_intern_identifier)
print("compressed pytable storage done")
package = mr.get_package_by_name_and_version(processing_result.package,
processing_result.version).public_identifier
dataset = dr.create_data_set(new_intern_identifier, package + "_" + target_identifier, "genes normalized dataset",
package_identifier=package,
experiment_identifier=experiment_identifier)
print("new dataset saved")
#er.link_dataset_to_experiment(experiment_identifier, dataset.public_identifier)
print("new dataset linked")
return dataset
def post(self):
args = dataset_parser.parse_args()
print("dataset post received")
# upload new dataset
if args.dataset_identifier is None:
print("creating new data set")
new_file = args.file
filename = secure_filename(new_file.filename)
print("uploaded" + filename)
intern_identifier = ig.get_generated_guid_as_string()
new_file.save(filename)
try:
with open(filename, "rb") as fl:
frame = dr.get_data_frame_from_csv(fl)
intern_location = dr.store_data_frame_to_hdf(frame, intern_identifier)
# raw counts by default
data_entity = dr.create_data_set(intern_identifier,
public_identifier=filename,
dataset_type="raw gene counts",
experiment_identifier="raw_data_container") # For demo -> add exp identifier
server_hash = ig.md5_for_file(fl)
print(filename + " is saved")
print("file removed")
return cr.JsonResource(
{"filename": filename, "intern_identifier": data_entity.intern_identifier,
"public_identifier": data_entity.public_identifier, "server_md5": server_hash}), 201
except IntegrityError:
return cr.StringApiResource("Public identifier already taken"), 409
except:
return cr.StringApiResource("An error has occured, check if your data set comply with the expected format"), 400
finally:
if filename is not None:
os.remove(filename)
else:
# a new dataset is created based on source
try:
print("pre-processing existing dataset")
source_data = args.dataset_identifier
print("source data : " + source_data)
# target_data = args.target_dataset_identifier
# TODO link to experiment identifier!
# experiment_identifier = args.experiment_identifier
method_identifier = args.preprocessing_method_identifier
print("source " + source_data + "method " + method_identifier)
path = APP_CONFIG["application_files_location"] + APP_CONFIG["application_store_name"]
df = dr.get_data_frame_from_hdf(source_data, path)
print("data frame is loaded")
new_data_set = ed.normalize_gene_counts(df, method_identifier,
target_identifier=source_data,
experiment_identifier=args.experiment_identifier)
return cr.JsonResource(eto.SummaryDatasetView(new_data_set).to_json()), 201
except Exception as e:
print(e.__str__())
return cr.StringApiResource("Explosion! Tool down..."), 400
