How to use get_duration method in Slash

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printgalore.py

Source:printgalore.py Github

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...18 profit = []19 skipknap = False20 #analyze for duplicates/​ same properties21 for i in range(n):22 duration.append(tasks[i].get_duration())23 deadline.append(tasks[i].get_deadline())24 profit.append(tasks[i].get_max_benefit())25 26 print(sum(profit)/​len(profit))27 if int(sum(profit)/​len(profit)) == int(profit[1]) == int(profit[50]):28 skipknap = True29 #all same duration:30 # if avg(duration) == duration[1]:31 # skipknap = True32 deadprof = {} #deadline profit chunks:33 durprof = {} #deadline profit chunks:34 deaddurprof = {}35 for i in range(n):36 if (deadline[i], profit[i]) not in deadprof:37 deadprof[(deadline[i], profit[i])] = 138 else:39 deadprof[(deadline[i], profit[i])] += 140 41 if (deadline[i], duration[i], profit[i]) not in deaddurprof:42 deaddurprof[(deadline[i], duration[i], profit[i])] = 143 else:44 deaddurprof[(deadline[i], duration[i], profit[i])] += 145 if (duration[i], profit[i]) not in durprof:46 durprof[(duration[i], profit[i])] = 147 else:48 durprof[(duration[i], profit[i])] += 149 for key in deadprof:50 if deadprof[key] /​ n >= .8:51 skipknap = True52 break53 for key in durprof:54 if durprof[key] /​ n >= .8:55 skipknap = True56 break57 58 for key in deaddurprof:59 if deaddurprof[key] /​ n >= .4:60 skipknap = False61 print('CHANGED SKIPKNAP BACK TO FALSE')62 break63 #print('d :' + str(deaddurprof[key]))64 if deaddurprof[key] > 6:65 skipknap = True66 break67 #print(len(durprof))68 if len(durprof) < 8:69 print('TOO FEW KEYS----------------------')70 skipknap = True71 72 if skipknap:73 print("skipknap------------------------------")74 75 # if not special:76 if not skipknap:77 for size in range(n/​/​8,n/​/​2+1,n/​/​8):78 id_ordering, profit, tasks_ordering = knapsack_solver(tasks,size)79 assert profit == get_profit(tasks_ordering)80 if profit > best_profit:81 best_profit = profit82 best_result = id_ordering83 best_ordering = tasks_ordering84 count = 085 for id_ordering, profit, tasks_ordering in [greedy_profit_duration(tasks), greedy_duration_deadline(tasks), greedy_duration_deadline(tasks), greedy_critical_time(tasks),86 greedy_min_slack(tasks), greedy_decay(tasks), greedy_decay_profit_duration(tasks)]: #backtrack_profit_duration(tasks)]:87 assert profit == get_profit(tasks_ordering)88 if profit > best_profit:89 #used_greedy = True90 #print(profit)91 #print(id_ordering)92 best_profit = profit93 best_result = id_ordering94 best_ordering = tasks_ordering95 print('USED GREEDY: ' + str(count))96 if count > 5:97 print('USED MADDY --------------------------')98 if count > 6:99 print('USED JESSIE -------------------------')100 count += 1101 102 dp_ordering = dp(tasks)103 dp_profit = get_profit(dp_ordering)104 if dp_profit > best_profit:105 best_profit = dp_profit106 best_ordering = dp_ordering107 best_result = [t.get_task_id() for t in dp_ordering]108 print('USED DP---------------------------')109 #if not used_greedy:110 #print('USED KNAPSACK')111 print('profit: ' + str(best_profit))112 #print(best_result)113 #print(best_profit)114 assert best_profit == get_profit(best_ordering)115 assert best_result == [t.get_task_id() for t in best_ordering]116 assert check_validity(best_result, tasks)117 return best_result118def knapsack_solver(tasks, knapsack_size, total_time=1440, recurse=1):119 solver = pywrapknapsack_solver.KnapsackSolver(120 pywrapknapsack_solver.KnapsackSolver.121 KNAPSACK_MULTIDIMENSION_BRANCH_AND_BOUND_SOLVER, 'KnapsackExample')122 #sort by deadline123 tasks_sorted_deadline = sorted(tasks, key=lambda task: task.get_deadline())124 ordering = []125 current_start = 0126 #elementary counter here127 #start clock128 for i in range(0, len(tasks), knapsack_size):129 tasks_group = tasks_sorted_deadline[i:min(i+knapsack_size,len(tasks_sorted_deadline))]130 values = [t.get_max_benefit() for t in tasks_group]131 weights = [[t.get_duration() for t in tasks_group]]132 capacities = [min(tasks_group[-1].get_deadline(), total_time) - current_start]133 solver.Init(values, weights, capacities)134 #https:/​/​stackoverflow.com/​questions/​366682/​how-to-limit-execution-time-of-a-function-call135 # try:136 # with time_limit(10):137 # computed_value = solver.Solve()138 # except TimeoutException as e:139 # return [], 0140 computed_value = solver.Solve()141 packed_items = []142 for i in range(len(tasks_group)):143 if solver.BestSolutionContains(i):144 packed_items.append(tasks_group[i])145 group_ordering = sorted(packed_items, key=lambda task: task.get_deadline())146 current_start = current_start + sum([t.get_duration() for t in group_ordering])147 ordering += group_ordering148 remaining_tasks = [t for t in tasks if t not in ordering]149 time_remaining = total_time - current_start150 if remaining_tasks and recurse == 1 and time_remaining >= remaining_tasks[0].get_duration():151 second_result, second_profit, second_ordering = knapsack_solver(remaining_tasks, knapsack_size, time_remaining, 2)152 ordering += second_ordering153 time_remaining = time_remaining - sum([t.get_duration() for t in second_ordering])154 remaining_tasks = [t for t in remaining_tasks if t not in ordering]155 #after knapsack, greedily fill in remaining time156 ordering += fill_remaining(remaining_tasks, time_remaining)157 result = [t.get_task_id() for t in ordering]158 total_profit = get_profit(ordering)159 #print(sum([t.get_duration() for t in ordering]))160 return result, total_profit, ordering161def get_profit(ordering, start_time=0):162 total_profit = 0163 current_time = start_time164 for task in ordering:165 current_time += task.get_duration()166 if current_time <= task.get_deadline():167 total_profit += task.get_max_benefit()168 else:169 total_profit += task.get_late_benefit(current_time - task.get_deadline())170 #if testing:171 #print(current_time)172 #print(str(task.get_task_id()) + ': ' + str(total_profit))173 return total_profit174 175def fill_remaining(tasks_remaining, time_remaining, from_decay=False):176 # compares two different methods of filling in remaining time:177 # tries fill in backwards from 1440, latest deadline first, and tries greedy_decay178 tasks_sorted = sorted(tasks_remaining, key=lambda task: (-task.get_deadline(), -task.get_max_benefit()))179 ordering = []180 temp_time = time_remaining181 #orig_remain = True182 while time_remaining > 0 and tasks_sorted:183 if tasks_sorted[0].get_duration() <= time_remaining:184 ordering.append(tasks_sorted[0])185 time_remaining -= tasks_sorted[0].get_duration()186 tasks_sorted.pop(0)187 profit = get_profit(ordering, 1440 - temp_time)188 if not from_decay:189 if temp_time > 0 and tasks_remaining:190 other_id_result, other_profit, other_task_ordering = greedy_decay(tasks_remaining, temp_time)191 if other_profit > profit:192 #orig_remain = False193 ordering = other_task_ordering194 return ordering195def greedy_decay(tasks, time_remaining=1440):196 # different from other greedys because it allows you to go past deadline197 profit_duration = sorted(tasks, key=lambda task: (-task.get_max_benefit()/​task.get_duration(), task.get_deadline()))198 profit_forwards = sorted(tasks, key=lambda task: (-task.get_max_benefit(), task.get_deadline()))199 sorted_deadline = sorted(tasks, key=lambda task: (task.get_deadline(), -task.get_max_benefit()))200 sorted_duration = sorted(tasks, key=lambda task: (task.get_duration(), task.get_deadline()))201 #count = 0202 best_ordering = []203 best_profit = 0204 for sorted_tasks in [profit_duration, profit_forwards, sorted_deadline, sorted_duration]:205 current_time = 1440 - time_remaining206 ordering = []207 while sorted_tasks and current_time < time_remaining:208 if current_time + sorted_tasks[0].get_duration() <= time_remaining:209 ordering.append(sorted_tasks[0])210 current_time += sorted_tasks[0].get_duration()211 sorted_tasks.pop(0)212 remaining_tasks = [t for t in tasks if t not in ordering]213 reverse_ordering = ordering.copy()214 reverse_ordering.reverse()215 deadline_ordering = sorted(ordering, key=lambda task: task.get_deadline())216 for array in [deadline_ordering, ordering, reverse_ordering]:217 array += fill_remaining(remaining_tasks, time_remaining - current_time, True)218 profit = get_profit(array, 1440 - time_remaining)219 if profit > best_profit:220 best_profit = profit221 best_ordering = array222 223 result = [t.get_task_id() for t in best_ordering]224 return result, get_profit(best_ordering), best_ordering225 226def backtrack_profit_duration(tasks):227 # when to backtrack? 228 # when we find another task that has greater profit/​duration that we can't take due to time constraints229 # eg. if current_start + task.get_duration() > task.get_deadline(), remove the previous task from 230 # both our list and choice of options 231 counter_backtrack = 0232 233 tasks_sorted = sorted(tasks, key=lambda task: task.get_max_benefit() /​ task.get_duration())[::-1]234 previous_task = tasks_sorted[0]235 current_start = tasks_sorted[0].get_duration()236 ordering = [tasks_sorted[0]]237 238 for i in range(1, len(tasks_sorted)):239 task = tasks_sorted[i]240 unit_prof = task.get_max_benefit() /​ task.get_duration()241 if current_start + task.get_duration() > task.get_deadline() and unit_prof >= previous_task.get_max_benefit()/​previous_task.get_duration():242 while ordering and current_start + task.get_duration() > task.get_deadline():243 temp = ordering.pop()244 current_start -= temp.get_duration()245 counter_backtrack += 1246 #else if current_start + task.get_duration() <= task.get_deadline():247 ordering.append(task)248 current_start += task.get_duration()249 previous_task = task250 remaining_tasks = [t for t in tasks if t not in ordering]251 ordering += fill_remaining(remaining_tasks, 1440 - current_start)252 result = [t.get_task_id() for t in ordering]253 return result, get_profit(ordering), ordering 254def greedy_profit_duration(tasks):255 tasks_sorted = sorted(tasks, key=lambda task: task.get_max_benefit() /​ task.get_duration())[::-1]256 current_start = 0257 ordering = []258 for task in tasks_sorted:259 if (current_start + task.get_duration() <= task.get_deadline()):260 ordering.append(task)261 current_start += task.get_duration()262 remaining_tasks = [t for t in tasks if t not in ordering]263 ordering += fill_remaining(remaining_tasks, 1440 - current_start)264 result = [t.get_task_id() for t in ordering]265 return result, get_profit(ordering), ordering266def greedy_decay_profit_duration(tasks):267 tasks_sorted = sorted(tasks, key=lambda task: task.get_max_benefit() /​ task.get_duration())[::-1]268 current_start = 0269 ordering = []270 while len(tasks_sorted) > 0:271 task = tasks_sorted[0]272 if current_start + task.get_duration() <= 1440:273 ordering.append(task)274 current_start += task.get_duration()275 tasks_sorted = tasks_sorted[1:]276 tasks_sorted = sorted(tasks_sorted, key=lambda task: task.get_late_benefit(max(0, task.get_duration() - task.get_deadline())) /​ task.get_duration())[::-1]277 remaining_tasks = [t for t in tasks if t not in ordering]278 ordering += fill_remaining(remaining_tasks, 1440 - current_start)279 result = [t.get_task_id() for t in ordering]280 return result, get_profit(ordering), ordering281 282def greedy_duration_deadline(tasks):283 tasks_sorted = sorted(tasks, key=lambda task: (task.get_deadline(), task.get_duration())) 284 current_start = 0285 ordering = []286 for task in tasks_sorted:287 if (current_start + task.get_duration() <= task.get_deadline()):288 ordering.append(task)289 current_start += task.get_duration()290 remaining_tasks = [t for t in tasks if t not in ordering]291 ordering += fill_remaining(remaining_tasks, 1440 - current_start)292 result = [t.get_task_id() for t in ordering]293 return result, get_profit(ordering), ordering294def greedy_deadline_profit(tasks):295 tasks_sorted = sorted(tasks, key=lambda task: (task.get_deadline(), -task.get_max_benefit())) 296 current_start = 0297 ordering = []298 for task in tasks_sorted:299 if (current_start + task.get_duration() <= task.get_deadline()):300 ordering.append(task)301 current_start += task.get_duration()302 remaining_tasks = [t for t in tasks if t not in ordering]303 ordering += fill_remaining(remaining_tasks, 1440 - current_start)304 result = [t.get_task_id() for t in ordering]305 return result, get_profit(ordering)306def greedy_critical_time(tasks):307 #deadline /​ duration308 tasks_sorted = sorted(tasks, key=lambda task: (task.get_deadline()/​task.get_duration())) 309 current_start = 0310 ordering = []311 for task in tasks_sorted:312 if (current_start + task.get_duration() <= task.get_deadline()):313 ordering.append(task)314 current_start += task.get_duration()315 remaining_tasks = [t for t in tasks if t not in ordering]316 ordering += fill_remaining(remaining_tasks, 1440 - current_start)317 result = [t.get_task_id() for t in ordering]318 return result, get_profit(ordering), ordering319def greedy_min_slack(tasks):320 #deadline - duration321 tasks_sorted = sorted(tasks, key=lambda task: (task.get_deadline() - task.get_duration())) 322 current_start = 0323 ordering = []324 for task in tasks_sorted:325 if (current_start + task.get_duration() <= task.get_deadline()):326 ordering.append(task)327 current_start += task.get_duration()328 remaining_tasks = [t for t in tasks if t not in ordering]329 ordering += fill_remaining(remaining_tasks, 1440 - current_start)330 result = [t.get_task_id() for t in ordering]331 return result, get_profit(ordering), ordering332def check_validity(results, tasks):333 time = 0334 used = []335 for i in results:336 if i in used: # no repeats337 print('repeat')338 return False339 time += tasks[i-1].get_duration()340 used.append(i)341 #print(i)342 #print(time)343 if time > 1440: # don't go past 1440344 print('overtime')345 return False346 return True347def dp(tasks):348 n = len(tasks)349 arr = [[0 for t in range(1440)] for i in range(n)]350 #print(arr)351 #arr(i,t) = a feasible schedule in which only jobs from [1, i] are scheduled and all jobs finish by time t.352 for t in range(1440):353 arr[0][t] = 0354 deadline_sorted = sorted(tasks, key=lambda task: (task.get_deadline()))355 356 #tp = min(t, d_i) - t_i357 #if tp < 0 then arr[i][t] = arr[i-1][t]358 #if tp >= 0 then arr[i][t] = max(arr[i-1][t], p_i + arr[i-1][tp])359 360 def printopt(i, t, lst):361 task = deadline_sorted[i]362 t_i = task.get_duration()363 d_i = task.get_deadline()364 if i == 0:365 #print([t.get_task_id() for t in lst])366 #print(get_profit(lst))367 #print(lst)368 #print(lst == None)369 return #, get_profit(lst), [t.get_task_id() for t in lst]370 if arr[i][t] == arr[i-1][t]:371 printopt(i-1, t, lst)372 else:373 tp = min(t, d_i) - t_i374 lst.append(task)375 printopt(i-1, tp, lst)376 377 for i in range(n):378 task = deadline_sorted[i]379 t_i = task.get_duration()380 d_i = task.get_deadline()381 p_i = task.get_max_benefit()382 #task1 = tasks[i+1]383 #t1 = task1.get_duration()384 #d1 = task1.get_deadline()385 #p1 = task1.get_max_benefit()386 for t in range(1440):387 tp = min(t, d_i) - t_i388 if tp < 0:389 arr[i][t] = arr[i-1][t]390 else:391 #print(i, t, i-1, tp)392 arr[i][t] = max(arr[i-1][t], p_i + arr[i-1][tp])393 #if(arr[i][t] != -1 and t + t1 <= d1):394 #arr[i+1][t+t1] = max(arr[i+1][t+t1], arr[i][t] + p1)395 lst = []396 printopt(n-1, 1439, lst)397 lst = lst[::-1]...

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chords.py

Source:chords.py Github

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...8LENKICKHEAVY = 0.7160090702959LENHIHAT = 0.24163265306110LENCLAP = 0.24163265306111# clap, sr = librosa.load("drums/​clap.wav")12# print librosa.get_duration(clap, sr)13# snare, sr = librosa.load("drums/​snare.wav")14# print librosa.get_duration(snare, sr)15# kick, sr = librosa.load("drums/​kick-big.wav")16# print librosa.get_duration(kick, sr)17# kick, sr = librosa.load("drums/​kick-heavy.wav")18# print librosa.get_duration(kick, sr)19# hat, sr = librosa.load("drums/​hihat.wav")20# print librosa.get_duration(hat, sr)21#Piano22cScale = ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B']23yC, srC = librosa.load("piano/​wav/​c.wav")24#yC = librosa.effects.time_stretch(yC, librosa.get_duration(yC, srC))25yCs, srCs = librosa.load("piano/​wav/​cs.wav")26#yCs = librosa.effects.time_stretch(yCs, librosa.get_duration(yCs, srCs))27yD, srD = librosa.load("piano/​wav/​d.wav")28#yD = librosa.effects.time_stretch(yD, librosa.get_duration(yD, srD))29yDs, srDs = librosa.load("piano/​wav/​ds.wav")30#yDs = librosa.effects.time_stretch(yDs, librosa.get_duration(yDs, srDs))31yE, srE = librosa.load("piano/​wav/​e.wav")32#yE = librosa.effects.time_stretch(yE, librosa.get_duration(yE, srE))33yF, srF = librosa.load("piano/​wav/​f.wav")34#yF = librosa.effects.time_stretch(yF, librosa.get_duration(yF, srF))35yFs, srFs = librosa.load("piano/​wav/​fs.wav")36#yFs = librosa.effects.time_stretch(yFs, librosa.get_duration(yFs, srFs))37yG, srG = librosa.load("piano/​wav/​g.wav")38#yG = librosa.effects.time_stretch(yG, librosa.get_duration(yG, srG))39yGs, srGs = librosa.load("piano/​wav/​gs.wav")40#yGs = librosa.effects.time_stretch(yGs, librosa.get_duration(yGs, srGs))41yA, srA = librosa.load("piano/​wav/​a.wav")42#yA = librosa.effects.time_stretch(yA, librosa.get_duration(yA, srA))43yAs, srAs = librosa.load("piano/​wav/​as.wav")44#yAs = librosa.effects.time_stretch(yAs, librosa.get_duration(yAs, srAs))45yB, srB = librosa.load("piano/​wav/​b.wav")46#yB = librosa.effects.time_stretch(yB, librosa.get_duration(yB, srB))47srPiano = srC48cScaleNotesP = [yC, yCs, yD, yDs, yE, yF, yFs, yG, yGs, yA, yAs, yB, librosa.effects.pitch_shift(yC, srPiano, n_steps=12), librosa.effects.pitch_shift(yCs, srPiano, n_steps=12), librosa.effects.pitch_shift(yD, srPiano, n_steps=12), librosa.effects.pitch_shift(yDs, srPiano, n_steps=12), librosa.effects.pitch_shift(yE, srPiano, n_steps=12), librosa.effects.pitch_shift(yF, srPiano, n_steps=12), librosa.effects.pitch_shift(yFs, srPiano, n_steps=12), librosa.effects.pitch_shift(yG, srPiano, n_steps=12), librosa.effects.pitch_shift(yGs, srPiano, n_steps=12), librosa.effects.pitch_shift(yA, srPiano, n_steps=12), librosa.effects.pitch_shift(yAs, srPiano, n_steps=12), librosa.effects.pitch_shift(yB, srPiano, n_steps=12), librosa.effects.pitch_shift(yC, srPiano, n_steps=24), librosa.effects.pitch_shift(yCs, srPiano, n_steps=24)]49#Bass50yC, srC = librosa.load("Octaver/​Octaver-c1.wav")51yDs, srDs = librosa.load("Octaver/​Octaver-d#1.wav")52yFs, srFs = librosa.load("Octaver/​Octaver-f#1.wav")53yA, srA = librosa.load("Octaver/​Octaver-a1.wav")54yC2, srC = librosa.load("Octaver/​Octaver-c2.wav")55yDs2, srDs = librosa.load("Octaver/​Octaver-d#2.wav")56yFs2, srFs = librosa.load("Octaver/​Octaver-f#2.wav")57yA2, srA = librosa.load("Octaver/​Octaver-a2.wav")58yC3, srC = librosa.load("Octaver/​Octaver-c3.wav")59yDs3, srDs = librosa.load("Octaver/​Octaver-d#3.wav")60yFs3, srFs = librosa.load("Octaver/​Octaver-f#3.wav")61yA3, srA = librosa.load("Octaver/​Octaver-a3.wav")62srBass = srC63cScaleNotesB = [yC, librosa.effects.pitch_shift(yC, srBass, n_steps=1), librosa.effects.pitch_shift(yC, srBass, n_steps=2), yDs, librosa.effects.pitch_shift(yDs, srBass, n_steps=1), librosa.effects.pitch_shift(yDs, srBass, n_steps=2), yFs, librosa.effects.pitch_shift(yFs, srBass, n_steps=1), librosa.effects.pitch_shift(yFs, srBass, n_steps=2), yA, librosa.effects.pitch_shift(yA, srBass, n_steps=1), librosa.effects.pitch_shift(yA, srBass, n_steps=2), yC2, librosa.effects.pitch_shift(yC2, srBass, n_steps=1), librosa.effects.pitch_shift(yC2, srBass, n_steps=2), yDs2, librosa.effects.pitch_shift(yDs2, srBass, n_steps=1), librosa.effects.pitch_shift(yDs2, srBass, n_steps=2), yFs2, librosa.effects.pitch_shift(yFs2, srBass, n_steps=1), librosa.effects.pitch_shift(yFs2, srBass, n_steps=2), yA2, librosa.effects.pitch_shift(yA2, srBass, n_steps=1), librosa.effects.pitch_shift(yA2, srBass, n_steps=2), yC3, librosa.effects.pitch_shift(yC3, srBass, n_steps=1), librosa.effects.pitch_shift(yC3, srBass, n_steps=2), yDs3, librosa.effects.pitch_shift(yDs3, srBass, n_steps=1), librosa.effects.pitch_shift(yDs3, srBass, n_steps=2), yFs3, librosa.effects.pitch_shift(yFs3, srBass, n_steps=1), librosa.effects.pitch_shift(yFs3, srBass, n_steps=2), yA3, librosa.effects.pitch_shift(yA3, srBass, n_steps=1), librosa.effects.pitch_shift(yA3, srBass, n_steps=2)]64#COMMENTS on stuff that confuse me65#spb means how long before every beat66#Drums67#each x is 1/​16th of a measure68#hat |xxxx|xxxx|xxxx|xxxx|69#snare |xxxx|xxxx|xxxx|xxxx|70#kick |xxxx|xxxx|xxxx|xxxx|71#standard break beat?72# |x x |x x |xxx |x x |73# | |x | |x |74# |x | | x | |75def makeStandardBreaks(bpm):76 spb = 60.0 /​ bpm77 measure = 4.0 * spb78 timeBeat = ((measure /​ 16.0) * 1000)79 canvas = AudioSegment.silent(measure * 1000 * 2)80 oneBeat = AudioSegment.silent(spb * 1000)81 snare = AudioSegment.from_file("drums/​snare.wav")82 kickBig = AudioSegment.from_file("drums/​kick-big.wav")83 kickHeavy = AudioSegment.from_file("drums/​kick-heavy.wav")84 hihat = AudioSegment.from_file("drums/​hihat.wav")85 hihat = hihat86 hatBeat1 = hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 *timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000))87 hatBeat2 = hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 * timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(2 *timeBeat - (LENHIHAT * 1000)) + hihat + AudioSegment.silent(4 * timeBeat - (LENHIHAT * 1000)) + hihat88 snareKickBeat1 = kickBig + AudioSegment.silent(4 * timeBeat - (LENKICKBIG * 1000)) + snare + AudioSegment.silent(6 * timeBeat - (LENSNARE * 1000)) + kickHeavy + AudioSegment.silent(2 * timeBeat - (LENKICKHEAVY * 1000)) + snare89 oneMeasure = canvas.overlay(hatBeat1).overlay(hatBeat2, position = measure * 1000).overlay(snareKickBeat1).overlay(snareKickBeat1, position = measure * 1000)90 twoMeasures = oneMeasure + oneMeasure91 twoMeasures.export("drumsStandardBreaks.wav", format = "wav")92# 2 and 4 beat93# | x x| x x|94# |xxxx|xxxx|95# |x x |x x |96def make2and4Beat(bpm):97 spb = 60.0 /​ bpm98 measure = 4.0 * spb99 timeBeat = (measure /​ 4) * 1000100 canvas = AudioSegment.silent(measure * 1000)101 oneBeat = AudioSegment.silent(spb * 1000)102 snare = AudioSegment.from_file("drums/​snare.wav")103 kick = AudioSegment.from_file("drums/​kick-big.wav")104 hihat = AudioSegment.from_file("drums/​hihat.wav")105 hihat = hihat + 5106 snareBeat = snare + AudioSegment.silent(timeBeat - (LENSNARE * 1000)) + snare + AudioSegment.silent(timeBeat - (LENSNARE * 1000)) + snare + AudioSegment.silent(timeBeat - (LENSNARE * 1000)) + snare107 kickHihatBeat = kick + AudioSegment.silent(timeBeat - (LENKICKBIG * 1000)) + hihat + AudioSegment.silent(timeBeat - (LENHIHAT * 1000)) + kick + AudioSegment.silent(timeBeat - (LENKICKBIG * 1000)) + hihat108 oneMeasure = canvas.overlay(snareBeat).overlay(kickHihatBeat)109 twoMeasures = oneMeasure + oneMeasure110 twoMeasures.export("drums24.wav", format="wav")111# this makes like | 1 4 | 5 |112def makeBasic145(key, bpm):113 #Piano114 spb = 60.0 /​ bpm115 measure = BEATSPERMEASURE * spb116 scaleIndex = cScale.index(key)117 tempNote = cScaleNotesP[scaleIndex]118 note1_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)119 tempNote = cScaleNotesP[scaleIndex + 4]120 note1_2 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)121 tempNote = cScaleNotesP[scaleIndex + 7]122 note1_3 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)123 librosa.output.write_wav("noteP1_1.wav", note1_1, srPiano)124 librosa.output.write_wav("noteP1_2.wav", note1_2, srPiano)125 librosa.output.write_wav("noteP1_3.wav", note1_3, srPiano)126 audioSegment1_1 = AudioSegment.from_file("noteP1_1.wav")127 audioSegment1_2 = AudioSegment.from_file("noteP1_2.wav")128 audioSegment1_3 = AudioSegment.from_file("noteP1_3.wav")129 audioSegment1 = audioSegment1_1.overlay(audioSegment1_2).overlay(audioSegment1_3)130 tempNote = cScaleNotesP[scaleIndex + 5]131 note4_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)132 tempNote = cScaleNotesP[scaleIndex + 9]133 note4_2 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)134 tempNote = cScaleNotesP[scaleIndex + 12]135 note4_3 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)136 librosa.output.write_wav("noteP4_1.wav", note4_1, srPiano)137 librosa.output.write_wav("noteP4_2.wav", note4_2, srPiano)138 librosa.output.write_wav("noteP4_3.wav", note4_3, srPiano)139 audioSegment4_1 = AudioSegment.from_file("noteP4_1.wav")140 audioSegment4_2 = AudioSegment.from_file("noteP4_2.wav")141 audioSegment4_3 = AudioSegment.from_file("noteP4_3.wav")142 audioSegment4 = audioSegment4_1.overlay(audioSegment4_2).overlay(audioSegment4_3)143 tempNote = cScaleNotesP[scaleIndex + 7]144 note5_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure))145 tempNote = cScaleNotesP[scaleIndex + 11]146 note5_2 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure))147 tempNote = cScaleNotesP[scaleIndex + 14]148 note5_3 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure))149 librosa.output.write_wav("noteP5_1.wav", note5_1, srPiano)150 librosa.output.write_wav("noteP5_2.wav", note5_2, srPiano)151 librosa.output.write_wav("noteP5_3.wav", note5_3, srPiano)152 audioSegment5_1 = AudioSegment.from_file("noteP5_1.wav")153 audioSegment5_2 = AudioSegment.from_file("noteP5_2.wav")154 audioSegment5_3 = AudioSegment.from_file("noteP5_3.wav")155 audioSegment5 = audioSegment5_1.overlay(audioSegment5_2).overlay(audioSegment5_3)156 audio145 = audioSegment1 + audioSegment4 + audioSegment5157 audio145.export("piano145.wav", format="wav")158 #Bass159 tempNote = cScaleNotesB[scaleIndex]160 note1_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srBass) /​ measure) * 2.0)161 tempNote = cScaleNotesB[scaleIndex + 5]162 note4_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srBass) /​ measure) * 2.0)163 tempNote = cScaleNotesB[scaleIndex + 7]164 note5_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srBass) /​ measure))165 librosa.output.write_wav("noteB1_1.wav", note1_1, srBass)166 librosa.output.write_wav("noteB4_1.wav", note4_1, srBass)167 librosa.output.write_wav("noteB5_1.wav", note5_1, srBass)168 audioSegment1_1 = AudioSegment.from_file("noteB1_1.wav")169 audioSegment4_1 = AudioSegment.from_file("noteB4_1.wav")170 audioSegment5_1 = AudioSegment.from_file("noteB5_1.wav")171 audio145 = (audioSegment1_1 + 10) + (audioSegment4_1 + 10) + (audioSegment5_1 + 10)172 audio145.export("bass145.wav", format="wav")173def make1456(key, bpm):174 #Piano175 spb = 60.0 /​ bpm176 measure = BEATSPERMEASURE * spb177 scaleIndex = cScale.index(key)178 tempNote = cScaleNotesP[scaleIndex + 7]179 note1_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)180 tempNote = cScaleNotesP[scaleIndex + 12]181 note1_2 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)182 tempNote = cScaleNotesP[scaleIndex + 16]183 note1_3 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)184 librosa.output.write_wav("2noteP1_1.wav", note1_1, srPiano)185 librosa.output.write_wav("2noteP1_2.wav", note1_2, srPiano)186 librosa.output.write_wav("2noteP1_3.wav", note1_3, srPiano)187 audioSegment1_1 = AudioSegment.from_file("2noteP1_1.wav")188 audioSegment1_2 = AudioSegment.from_file("2noteP1_2.wav")189 audioSegment1_3 = AudioSegment.from_file("2noteP1_3.wav")190 audioSegment1 = audioSegment1_1.overlay(audioSegment1_2).overlay(audioSegment1_3)191 tempNote = cScaleNotesP[scaleIndex + 7]192 note4_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)193 tempNote = cScaleNotesP[scaleIndex + 11]194 note4_2 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)195 tempNote = cScaleNotesP[scaleIndex + 14]196 note4_3 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)197 librosa.output.write_wav("2noteP4_1.wav", note4_1, srPiano)198 librosa.output.write_wav("2noteP4_2.wav", note4_2, srPiano)199 librosa.output.write_wav("2noteP4_3.wav", note4_3, srPiano)200 audioSegment4_1 = AudioSegment.from_file("2noteP4_1.wav")201 audioSegment4_2 = AudioSegment.from_file("2noteP4_2.wav")202 audioSegment4_3 = AudioSegment.from_file("2noteP4_3.wav")203 audioSegment4 = audioSegment4_1.overlay(audioSegment4_2).overlay(audioSegment4_3)204 tempNote = cScaleNotesP[scaleIndex + 9]205 note5_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)206 tempNote = cScaleNotesP[scaleIndex + 12]207 note5_2 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)208 tempNote = cScaleNotesP[scaleIndex + 16]209 note5_3 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)210 librosa.output.write_wav("2noteP5_1.wav", note5_1, srPiano)211 librosa.output.write_wav("2noteP5_2.wav", note5_2, srPiano)212 librosa.output.write_wav("2noteP5_3.wav", note5_3, srPiano)213 audioSegment5_1 = AudioSegment.from_file("2noteP5_1.wav")214 audioSegment5_2 = AudioSegment.from_file("2noteP5_2.wav")215 audioSegment5_3 = AudioSegment.from_file("2noteP5_3.wav")216 audioSegment5 = audioSegment5_1.overlay(audioSegment5_2).overlay(audioSegment5_3)217 tempNote = cScaleNotesP[scaleIndex + 9]218 note6_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)219 tempNote = cScaleNotesP[scaleIndex + 12]220 note6_2 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)221 tempNote = cScaleNotesP[scaleIndex + 17]222 note6_3 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srPiano) /​ measure) * 2.0)223 librosa.output.write_wav("2noteP6_1.wav", note6_1, srPiano)224 librosa.output.write_wav("2noteP6_2.wav", note6_2, srPiano)225 librosa.output.write_wav("2noteP6_3.wav", note6_3, srPiano)226 audioSegment6_1 = AudioSegment.from_file("2noteP6_1.wav")227 audioSegment6_2 = AudioSegment.from_file("2noteP6_2.wav")228 audioSegment6_3 = AudioSegment.from_file("2noteP6_3.wav")229 audioSegment6 = audioSegment6_1.overlay(audioSegment6_2).overlay(audioSegment6_3)230 audio145 = audioSegment1 + audioSegment4 + audioSegment5 + audioSegment6231 audio145.export("piano1456.wav", format="wav")232 #Bass233 tempNote = cScaleNotesB[scaleIndex + 12]234 note1_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srBass) /​ measure) * 2.0)235 tempNote = cScaleNotesB[scaleIndex + 11]236 note4_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srBass) /​ measure) * 2.0)237 tempNote = cScaleNotesB[scaleIndex + 9]238 note5_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srBass) /​ measure) * 2.0)239 tempNote = cScaleNotesB[scaleIndex + 5]240 note6_1 = librosa.effects.time_stretch(tempNote, (librosa.get_duration(tempNote, srBass) /​ measure) * 2.0)241 librosa.output.write_wav("2noteB1_1.wav", note1_1, srBass)242 librosa.output.write_wav("2noteB4_1.wav", note4_1, srBass)243 librosa.output.write_wav("2noteB5_1.wav", note5_1, srBass)244 librosa.output.write_wav("2noteB6_1.wav", note5_1, srBass)245 audioSegment1_1 = AudioSegment.from_file("2noteB1_1.wav")246 audioSegment4_1 = AudioSegment.from_file("2noteB4_1.wav")247 audioSegment5_1 = AudioSegment.from_file("2noteB5_1.wav")248 audioSegment6_1 = AudioSegment.from_file("2noteB6_1.wav")249 audio145 = (audioSegment1_1 + 10) + (audioSegment4_1 + 10) + (audioSegment5_1 + 10) + (audioSegment6_1 + 10)250 audio145.export("bass1456.wav", format="wav")251#puts together drums, piano (all two measures)252def putTogether():253 drumsT = AudioSegment.from_file("drums24.wav")254 pianoT = AudioSegment.from_file("piano145.wav")...

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solver2.py

Source:solver2.py Github

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...5def find_best_schedule(tasks, schedule, start_time, total_time=0):6 if not tasks:7 return schedule, calc_benefit(schedule, start_time, start_time + 288), start_time + total_time8 task = tasks[0]9 return max(find_best_schedule(tasks[1:], schedule + [task], start_time, total_time + task.get_duration()), 10 find_best_schedule(tasks[1:], schedule, start_time, total_time), 11 key = lambda k: k[1])12def find_schedule(tasks, schedule=[]):13 if not tasks:14 return schedule, calc_benefit(schedule, 0, 1440)15 return max(find_schedule(tasks[1:], schedule + [tasks[0]]), 16 find_schedule(tasks[1:], schedule), 17 key = lambda k: k[1])18def calc_benefit(tasks, start_time, max_time=1440):19 benefit = 020 time = start_time21 for task in tasks: 22 if time + task.get_duration() < max_time:23 latest_start = task.get_deadline() - task.get_duration()24 mins_late = max(0, time - latest_start)25 benefit += task.get_late_benefit(mins_late)26 time = time + task.get_duration()27 else:28 return 029 return benefit30def zero_calibrate(tasks):31 for task in tasks:32 latest_start = task.get_deadline() - task.get_duration()33 if latest_start >= 0:34 break35 else: 36 task.perfect_benefit = task.get_late_benefit(-latest_start)37 task.deadline = task.get_duration()38 return tasks39def remove_weak(tasks):40 benefit = 041 for task in tasks:42 benefit += task.get_max_benefit()43 average_benefit = benefit/​len(tasks)44 return [task for task in tasks if task.get_max_benefit() > average_benefit * .1]45<<<<<<< HEAD46def checkDeadline(currTime, task2):47 if(task2.get_deadline()-task2.get_duration() < currTime):48 return False49 return True50def getInitialGreedySoln(tasks):51 currTime = 0;52 schedule = []53 notinschedule = []54 while(len(tasks)>0):55 if(checkDeadline(currTime, tasks[0])):56 schedule.append(tasks[0])57 currTime+=tasks[0].get_duration()58 else:59 notinschedule.append(tasks[0])60 del tasks[0]61 return schedule, notinschedule62def calcProfit(schedule):63 sum = 064 for task in schedule: sum+=task.get_max_benefit()65 return sum66def calc_task_heuristic(task):67 return (task.get_deadline() - task.get_duration()) - 0.2 * task.get_max_benefit()68def solve(tasks):69 """70 Args:71 tasks: list[Task], list of igloos to polish72 Returns:73 output: list of igloos in order of polishing 74 """75 tasks = sorted(tasks, key=lambda x: calc_task_heuristic(x))76 tasks = zero_calibrate(tasks)77 tasks = remove_weak(tasks)78 schedule_optimal, benefit_opt = find_schedule(tasks)79 print("OPTIMAL_SCHEDULE")80 printSchedule(schedule_optimal)81 print(benefit_opt)82 schedule, notinschedule = getInitialGreedySoln(tasks)83 print("SCHEDULE_GREEDY")84 printSchedule(schedule)85 print(calcProfit(schedule))86 heap = []87 for task in notinschedule: hq.heappush(heap, task)88 #print("HEAP")89 #printSchedule(heap)90 maxIter = 100091 for i in range(0,maxIter):92 if(len(heap)==0):93 break;94 schedule_opt, popped = replace(schedule, hq.heappop(heap))95 if(calcProfit(schedule_opt) > calcProfit(schedule)):96 schedule = schedule_opt97 for t in popped:98 hq.heappush(heap, t)99 else:100 hq.heappop(heap)101 print("FINAL SCHEDULE")102 printSchedule(schedule)103 print(calcProfit(schedule))104 print(checkSchedule(schedule))105def printSchedule(schedule):106 for task in schedule: print(task)107def replace(schedule, task):108 currentTime = 0109 before = 0110 latest_Time = task.get_deadline()-task.get_duration()111 for t in schedule:112 if(currentTime + t.get_duration()>latest_Time):113 projectedTime = currentTime + task.get_duration()114 break;115 currentTime += t.get_duration()116 before += 1117 scheduleF = schedule[:before]118 scheduleF.append(task)119 poppedItems = []120 for i in range(before, len(schedule)):121 if(schedule[i].get_deadline() - schedule[i].get_duration() > projectedTime):122 scheduleF.append(schedule[i])123 else:124 poppedItems.append(schedule[i])125 return scheduleF, poppedItems126 #tasks = remove_weak(tasks)127 big_schedule = []128 big_benefit = 0129 leftovers = []130 start_time = 0131 for i in range(5):132 bucket = [tasks.pop(0) for i in range(17)]133 buffer = [tasks.pop(0) for i in range(3)]134 schedule, benefit, start_time = find_best_schedule(bucket, [], start_time)135 big_schedule += schedule136 big_benefit += benefit137 duration = sum([task.get_duration() for task in schedule])138 leftovers.append(Task.Task(100 + i, start_time, int(duration), float(benefit)))139 leftovers += buffer140 for task in schedule:141 print(task)142 print("dur:", duration)143 print("ben:", benefit)144 print()145 final_schedule, benefit = find_schedule(leftovers) 146 for task in final_schedule:147 print(task)148 print(benefit)149 print(sum([task.get_duration() for task in final_schedule]))150def checkSchedule(schedule):151 currTime = 0152 while(len(schedule)>1):153 currTime += schedule[0].get_duration()154 if(schedule[1].get_deadline()-schedule[1].get_duration()<currTime):155 return False156 del schedule[0]157 return True158def main():159 for input_path in os.listdir('inputs/​'):160 output_path = 'outputs/​' + input_path[:-3] + '.out'161 tasks = read_input_file('inputs/​' + input_path)162 output = solve(tasks)163 #write_output_file(output_path, output)164if __name__ == "__main__":165 main()166# Here's an example of how to run your solver.167# if __name__ == '__main__':168# for input_path in os.listdir('inputs/​'):...

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utils_test.py

Source:utils_test.py Github

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2from unittest import TestCase3from utils.time import get_duration4class DurationParserTestCase(TestCase):5 def test_get_secs(self):6 self.assertEqual(get_duration("20s"), timedelta(seconds=20))7 def test_get_mins(self):8 self.assertEqual(get_duration("20m"), timedelta(minutes=20))9 def test_get_hours(self):10 self.assertEqual(get_duration("20h"), timedelta(hours=20))11 def test_get_days(self):12 self.assertEqual(get_duration("3d"), timedelta(days=3))13 def test_get_week(self):14 self.assertEqual(get_duration("28w"), timedelta(weeks=28))15 def test_get_mix(self):16 self.assertEqual(17 get_duration("2h 30m 10s"), timedelta(hours=2, minutes=30, seconds=10)18 )19 self.assertEqual(20 get_duration("2d 4h 45m 5s"),21 timedelta(22 days=2,23 hours=4,24 minutes=45,25 seconds=5,26 ),27 )28 self.assertEqual(29 get_duration("1w 2d 3h 4m 5s"),30 timedelta(31 days=9,32 hours=3,33 minutes=4,34 seconds=5,35 ),36 )37 self.assertEqual(get_duration("2w 4d"), timedelta(weeks=2, days=4))38 def test_wrong_order(self):39 self.assertEqual(get_duration("4m 3w"), timedelta(weeks=3, minutes=4))40 def test_get_default(self):41 self.assertEqual(get_duration("600"), timedelta(minutes=600))42 def test_get_bad_raw_duration(self):43 self.assertEqual(get_duration("php sucks!"), timedelta(0))44 self.assertEqual(get_duration("php 20s sucks!"), timedelta(seconds=20))45 self.assertEqual(46 get_duration("php 20s sucks 40m !"), timedelta(seconds=20, minutes=40)47 )48 def test_get_duration_lt_10(self):49 self.assertEqual(get_duration("9"), timedelta(minutes=9))50 self.assertEqual(get_duration("900"), timedelta(minutes=900))51 self.assertEqual(get_duration("1"), timedelta(minutes=1))52 def test_get_duration_with_dots(self):53 self.assertEqual(get_duration("666.666"), timedelta(minutes=0))54 def test_trailing_whitespace(self):55 self.assertEqual(get_duration("20s "), timedelta(seconds=20))56 self.assertEqual(get_duration(" 20s "), timedelta(seconds=20))57 self.assertEqual(get_duration("20m "), timedelta(minutes=20))58 self.assertEqual(get_duration(" 20m "), timedelta(minutes=20))59 self.assertEqual(get_duration("20h "), timedelta(hours=20))60 self.assertEqual(get_duration(" 20h "), timedelta(hours=20))61 self.assertEqual(62 get_duration("2h 30m 10s"), timedelta(hours=2, minutes=30, seconds=10)63 )64 self.assertEqual(65 get_duration(" 2h 30m 10s"),66 timedelta(hours=2, minutes=30, seconds=10),67 )68 self.assertEqual(get_duration("600 "), timedelta(minutes=600))...

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