def parse(path):
with open(os.path.join(os.getcwd(), path), "r") as data:
total_jobs, total_machines, max_operations = re.findall(
'\S+', data.readline())
number_total_jobs, number_total_machines, number_max_operations = int(
total_jobs), int(total_machines), int(float(max_operations))
jobs_list = []
# Current job's id
id_job = 1
for key, line in enumerate(data):
if key >= number_total_jobs:
break
# Split data with multiple spaces as separator
parsed_line = re.findall('\S+', line)
# Current job
job = Job(id_job)
# Current activity's id
id_activity = 1
# Current item of the parsed line
i = 1
while i < len(parsed_line):
# Total number of operations for the activity
number_operations = int(parsed_line[i])
# Current activity
activity = Activity(job, id_activity)
for id_operation in range(1, number_operations + 1):
activity.add_operation(
Operation(id_operation,
int(parsed_line[i + 2 * id_operation - 1]),
int(parsed_line[i + 2 * id_operation])))
job.add_activity(activity)
i += 1 + 2 * number_operations
id_activity += 1
jobs_list.append(job)
id_job += 1
# Machines
machines_list = []
for id_machine in range(1, number_total_machines + 1):
machines_list.append(Machine(id_machine, number_max_operations))
return jobs_list, machines_list, number_max_operations
