def api_generate_new_expression(project_id):
database = DBSESSION()
project = database.query(Project).get(project_id)
if project is None:
return abort(404)
new_expression = Expression()
if len(project.expression_list) > 0:
new_expression.parent_expression = project.expression_list[len(project.expression_list) - 1]
new_expression.parent_expression.child_expression = new_expression
database.add(new_expression)
project.expression_list.append(new_expression)
database.commit()
return_dict = new_expression.to_dict()
database.close()
return jsonify(return_dict)
def api_create_new_project():
dataset_id = int(request.form.get('dataset'))
project_name = request.form.get('name')
database = DBSESSION()
dataset = database.query(Dataset).get(dataset_id)
if dataset is None:
return abort(404)
project = Project(name=project_name, dataset=dataset)
database.add(project)
database.commit()
project_id = project.id
database.close()
return jsonify({'success': True, 'url_to_project': url_for('view_project', project_id=project_id)})
def api_add_filter(expression_id):
database = DBSESSION()
expression = database.query(Expression).get(expression_id)
if expression is None:
return abort(404)
filter_name = request.form.get('filter_name')
new_filter = Filter(name=filter_name)
database.add(new_filter)
expression.filter_list.append(new_filter)
expression.status = FilterStatus.RECALULATION_NEEDED
expression.results.clear()
if expression.child_expression is not None:
expression.child_expression.new_calculation_required(database)
database.commit()
return_dict = new_filter.to_dict()
database.close()
return jsonify(return_dict)
def api_upload_dataset():
dataset_raw = request.files.get('dataset').read().decode()
dataset_name = request.form.get('name')
data = list()
for line in dataset_raw.split('\n'):
line = line.strip()
if len(line) == 0:
continue
point = list()
for x in line.split(','):
x = x.strip()
x = float(x)
point.append(x)
data.append(point)
data = numpy.array(data)
database = DBSESSION()
new_dataset = Dataset(name=dataset_name, data=data, number_of_rows=len(data), number_of_dimensions=len(data[0]))
database.add(new_dataset)
database.commit()
database.close()
return jsonify({'success': True, 'url_redirect': url_for('view_datasets_overview')})