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gasque.py
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gasque.py
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# -*- coding: utf-8 -*-
import csv
import random
import operator
import copy
import datetime
### MAKING A DISTRUBUTION ###
def create_distribution(suits, dresses):
# 3.1 Shuffle the lists.
random.shuffle(suits)
random.shuffle(dresses)
distribution_left = []
distribution_right = []
min_length = min(len(suits), len(dresses))
# 3.2 Place up to the longest student list.
for i in range(min_length):
even = i % 2 == 0
distribution_left.append(suits[i] if even else dresses[i])
distribution_right.append(dresses[i] if even else suits[i])
# 3.3 Calculate the number of students left and place these in pairs on regular intervals.
remaining_people = suits[min_length:] + dresses[min_length:]
distribution_left += remaining_people[len(remaining_people)//2:]
distribution_right += remaining_people[:len(remaining_people)//2]
return distribution_right, distribution_left
### EVALUATING ###
def evaluate_distribution(left, right, ratio, guild_points):
return sum(map(
lambda i: evaluate(left, right, (False, i), ratio, guild_points),
range(len(left))
)) + sum(map(
lambda i: evaluate(left, right, (True, i),
ratio, guild_points),
range(len(left))
))
def try_swap(left, right, pos_i, pos_j, ratio, guild_points):
current_points = evaluate(left, right, pos_i, ratio, guild_points) + \
evaluate(left, right, pos_j, ratio, guild_points)
do_swap(
right if pos_i[0] else left,
right if pos_j[0] else left,
pos_i[1],
pos_j[1]
)
resulting_points = evaluate(left, right, pos_i, ratio, guild_points) + \
evaluate(left, right, pos_j,
ratio, guild_points)
if resulting_points >= current_points:
# Better score means we shouldn't swap back.
return resulting_points > current_points
# Reverse the swap
do_swap(
right if pos_i[0] else left,
right if pos_j[0] else left,
pos_i[1],
pos_j[1]
)
return False
def do_swap(side_i, side_j, pos_i, pos_j):
temp = side_i[pos_i]
side_i[pos_i] = side_j[pos_j]
side_j[pos_j] = temp
def list_getter(list, index):
if index < 0 or index >= len(list):
return None
return list[index]
def evaluate(left, right, pos, ratio, guild_points):
current_side, other_side = (right, left) if pos[0] else (left, right)
return evalutate_gender(current_side, other_side, pos[1])
+ evaluate_type(current_side, other_side, pos[1], ratio)
+ evaluate_programme(current_side, other_side, pos[1], guild_points)
def evalutate_gender(current_side, other_side, index):
current_person = current_side[index]
relevant_people = list(filter(lambda i: i != None, [
list_getter(current_side, index - 1),
list_getter(current_side, index + 1),
list_getter(other_side, index)
]))
return len(list(filter(
lambda person: current_person['gender'] != person['gender'], relevant_people
))) * 10
def evaluate_type(current_side, other_side, index, ratio):
current_person = current_side[index]
relevant_people = list(filter(lambda i: i != None, [
list_getter(current_side, index - 1),
list_getter(current_side, index + 1),
list_getter(other_side, index),
list_getter(other_side, index - 1),
list_getter(other_side, index + 1)
]))
same = len(
list(filter(lambda i: i['type'] == current_person['type']), relevant_people))
diff = len(
list(filter(lambda i: i['type'] != current_person['type']), relevant_people))
n = len(relevant_people)
points = 50 - 4 * (abs(same - n * ratio)**2 + abs(diff - n * ratio)**2)
print(points)
return points
def evaluate_programme(current_side, other_side, index, guild_points):
current_person = current_side[index]
relevant_people = list(filter(lambda i: i != None, [
list_getter(current_side, index - 1),
list_getter(current_side, index + 1),
list_getter(other_side, index),
list_getter(other_side, index - 1),
list_getter(other_side, index + 1)
]))
if current_person['type'] == 'student':
return len(list(
filter(
lambda person: current_person['affiliation'] in person['affiliation'],
filter(
lambda person: person['type'] == 'company_rep',
relevant_people
)
)
)) * guild_points[current_person['affiliation']]
elif current_person['type'] == 'company_rep':
return sum(list(map(
lambda person: guild_points[person['affiliation']],
filter(
lambda person: person['affiliation'] in current_person['affiliation'],
filter(
lambda person: person['type'] == 'student',
relevant_people
)
)
)))
else:
print('UNOWN TYPE ERROR!')
print('type: ', current_person['type'])
return 0
def avoid_zero(n):
return n if n > 0 else 1
def evaluate_guild_points(people):
guilds = ['F', 'E', 'M', 'V', 'A', 'K', 'D', 'Ing', 'W', 'I']
guild_points = {}
for guild in guilds:
students = len(list(filter(lambda p: p['affiliation'] == guild, filter(
lambda p: p['type'] == 'student', people))))
reps = len(list(filter(lambda p: guild in p['affiliation'], filter(
lambda p: p['type'] == 'company_rep', people))))
guild_points[guild] = 20 + (10000 / avoid_zero(students * reps))**0.5
return guild_points
def evaluate_ratio(people):
# ratio is student per person
students = len(list(filter(lambda p: p['type'] == 'student', people)))
return students / len(people)
### PARSING ###
def parse_input(students_list_path, company_reps_list_path):
suits = []
dresses = []
with open(students_list_path) as attending_students_csv:
attending_students = csv.DictReader(attending_students_csv)
for row in attending_students:
student_params = {
'name': row['Name'],
'gender': row['Gender'],
'affiliation': row['Guild'],
'mail': row['Mail'],
'type': 'student',
'drinking_package': row['Alcohol']
}
if student_params['gender'] == 'Man':
suits.append(student_params)
else:
dresses.append(student_params)
with open(company_reps_list_path) as company_reps_csv:
comany_reps = csv.DictReader(company_reps_csv)
company_rep_not_specified = []
# Output of programme mapping script.
desired_programme_guild_mapping = {'Elektroteknik': 'E', 'Industrial Design': 'A', 'Mechanical Engineering with Industrial Design': 'M', 'Civil Engineering- Road and Traffic Technology': 'Ing', 'Byggteknik med arkitektur': 'Ing', 'Engineering Mathematics': 'F', 'Kemiteknik': 'K', 'Informations- och kommunikationsteknik': 'D', 'V\xc3\xa4g- och vatttenbyggnad': 'V', 'Byggteknik med j\xc3\xa4rnv\xc3\xa4gsteknik': 'Ing', 'Mechanical Engineering': 'M', 'Byggteknik med v\xc3\xa4g- och trafikteknik': 'Ing', 'Teknisk Fysik': 'F', 'Engineering Physics': 'F', 'Teknisk Nanovetenskap': 'F', 'Fire Protection Engineering': 'V', 'Brandingenj\xc3\xb6rsutbildning': 'V', 'Industriell ekonomi': 'I', 'Bioteknik': 'K',
'Information and Communication Engineering': 'D', 'Computer Science and Engineering': 'D', 'Datateknik': 'D', 'Industrial Engineering and Management': 'I', 'Engineering Nanoscience': 'F', 'Architect': 'A', 'Chemical Engineering': 'K', 'Civil Engineering - Architecture': 'Ing', 'Maskinteknik med teknisk design': 'M', 'Lantm\xc3\xa4teri': 'V', 'Biotechnology': 'K', 'Medicin och teknik': 'E', 'Biomedical Engineering': 'E', 'Industridesign': 'A', 'Maskinteknik': 'M', 'Teknisk Matematik': 'F', 'Civil Engineering': 'V', 'Ekosystemteknik': 'W', 'Surveying': 'V', 'Electrical Engineering': 'E', 'Environmental Engineering': 'W', 'Arkitekt': 'A', 'Civil Engineering - Railway Construction': 'Ing'}
for row in comany_reps:
if row['Alcohol'].lower == "alkoholfritt":
drinking_package = "no"
else:
drinking_package = "yes"
desired_programmes = row['Desired programme'].split(",")
guilds = []
for programme in desired_programmes:
if programme in desired_programme_guild_mapping:
guild = desired_programme_guild_mapping[programme]
if guild not in guilds:
guilds.append(guild)
name = row['Name']
if not name or name == '-':
name = row['Company']
company_rep_params = {'name': name,
'gender': row['Gender'],
'affiliation': guilds,
'type': 'company_rep',
'mail': row['Mail'],
'company': row['Company'],
'drinking_package': drinking_package}
if company_rep_params['gender'].lower() == 'man':
suits.append(company_rep_params)
elif company_rep_params['gender'].lower() == 'woman':
dresses.append(company_rep_params)
else:
company_rep_not_specified.append(company_rep_params)
while company_rep_not_specified:
if len(suits) > len(dresses):
dresses.append(company_rep_not_specified.pop())
else:
suits.append(company_rep_not_specified.pop())
return suits, dresses
### PRINTING RESULTS ###
def file_name(name, suffix, result):
now = datetime.datetime.now()
return f'output/{name}_{now.hour:02}:{now.minute:02}:{now.second:02}_{result["points"]}.{suffix}'
def print_result_to_list(result, tables):
for table in tables:
table['table_count'] = 0
f_name = file_name('list', 'csv', result)
with open(f_name, "w+") as output_file:
print('Writiing to file ...', f_name)
output_writer = csv.writer(output_file)
output_writer.writerow(
['Name', 'Table Name', 'Seat number', 'Alcohol', 'Student/Company'])
while result['left'] and result['right']:
current_table_placement = result['left'][:15] + \
result['right'][:15]
result['left'] = result['left'][15:]
result['right'] = result['right'][15:]
current_table = None
for table in tables:
if table['tables'] - table['table_count'] == 0:
continue
if not current_table:
current_table = table
else:
if table['priority'] < current_table['priority']:
current_table = table
elif table['priority'] == current_table['priority'] and (table['tables'] - table['table_count']) > (current_table['tables'] - current_table['table_count']):
current_table = table
if(not current_table):
print('UNABLE TO FINISH, NO MORE TABLES')
return
table_name =current_table['name'] + " " + \
str(1 + current_table['table_count'])
for index, person in enumerate(current_table_placement):
output_writer.writerow([
person['name'],
table_name,
index+1,
person['drinking_package'],
person['type']
])
current_table['table_count'] += 1
def print_result_to_email(result, tables):
for table in tables:
table['table_count'] = 0
f_name = file_name('email', 'txt', result)
with open(f_name, "w+") as output_file:
print('Writiing to file ...', f_name)
while result['left'] and result['right']:
current_table_placement = result['left'][:15] + \
result['right'][:15]
result['left'] = result['left'][15:]
result['right'] = result['right'][15:]
current_table = None
for table in tables:
if table['tables'] - table['table_count'] == 0:
continue
if not current_table:
current_table = table
else:
if table['priority'] < current_table['priority']:
current_table = table
elif table['priority'] == current_table['priority'] and (table['tables'] - table['table_count']) > (current_table['tables'] - current_table['table_count']):
current_table = table
if(not current_table):
print('UNABLE TO FINISH, NO MORE TABLES')
return
table_name = current_table['name'] + " " + \
str(1 + current_table['table_count'])
for index, person in enumerate(current_table_placement):
output_file.write(
f"""{{"toAddress":"{person['mail']}", "namn":"{person['name']}", "bord":"{table_name}", "plats":"{index+1}"}}\n""")
current_table['table_count'] += 1
### PROGRESSBAR ###
def printProgressBar (iteration, total, prefix = '', suffix = '', decimals = 1, length = 80, fill = '█', printEnd = "\r"):
"""
Call in a loop to create terminal progress bar
@params:
iteration - Required : current iteration (Int)
total - Required : total iterations (Int)
prefix - Optional : prefix string (Str)
suffix - Optional : suffix string (Str)
decimals - Optional : positive number of decimals in percent complete (Int)
length - Optional : character length of bar (Int)
fill - Optional : bar fill character (Str)
printEnd - Optional : end character (e.g. "\r", "\r\n") (Str)
"""
percent = ("{0:." + str(decimals) + "f}").format(100 * \
(iteration / float(total)))
filledLength = int(length * iteration // total)
bar = fill * filledLength + '-' * (length - filledLength)
print('\r%s |%s| %s%% %s' % (prefix, bar, percent, suffix), end= printEnd)
# Print New Line on Complete
if iteration == total:
print()
### MAIN ###
def main(iterations, students_list_path, company_reps_list_path):
suits, dresses = parse_input(students_list_path, company_reps_list_path)
distribution_left, distribution_right = create_distribution(suits, dresses)
ratio = evaluate_ratio(suits + dresses)
guild_points = evaluate_guild_points(suits + dresses)
r = range(len(distribution_left))
swaps = 0
print('Points before: ', evaluate_distribution(
distribution_left, distribution_right, ratio, guild_points))
for iteration in range(iterations):
printProgressBar(iteration, iterations)
pos_i = (random.random() < 0.5, random.choice(r))
pos_j = (random.random() < 0.5, random.choice(r))
if try_swap(
distribution_left,
distribution_right,
pos_i,
pos_j,
ratio,
guild_points
):
swaps += 1
print()
print('Points after: ', evaluate_distribution(
distribution_left, distribution_right, ratio, guild_points))
print(f'Swapping procentage: {100 * swaps / iterations:3.3}%')
result = {
'left': distribution_left,
'right': distribution_right,
'points': evaluate_distribution(
distribution_left,
distribution_right,
ratio, guild_points)
}
# 5. Write out the best result to a csv file with table number and number on the table.
tables = [{'name': 'Summer', 'seats': 30, 'tables': 6, 'priority': 2},
{'name': 'Autumn', 'seats': 30, 'tables': 5, 'priority': 1},
{'name': 'Spring', 'seats': 30, 'tables': 5, 'priority': 2},
{'name': 'Winter', 'seats': 30, 'tables': 3, 'priority': 1}]
res_temp1 = copy.deepcopy(result)
res_temp2 = copy.deepcopy(result)
print_result_to_list(res_temp1, tables)
print_result_to_email(res_temp2, tables)
if __name__ == '__main__':
iterations = 100000
students_list_path = "input/students.csv"
company_reps_list_path = "input/company_reps.csv"
main(iterations, students_list_path, company_reps_list_path)