just adding computoser file

midiMaker.py

+#!/usr/bin/env python
+
+from midiutil import MIDIFile
+import random
+random.seed()
+scale  = [48, 50, 52, 53, 55, 57, 59, 60, 62, 64, 65, 67, 69, 71, 72, 74, 76, 77, 79, 81, 83]
+#scale  = [48, 50, 51, 53, 55, 56, 58, 60, 62, 63, 65, 67, 68, 70, 72, 74, 75, 77, 79, 80, 82] 
+track    = 0
+channel  = 0
+trackTime = 0
+time = 0
+duration = 1    
+tempo    = 60  
+volume   = 100 
+MyMIDI = MIDIFile(1)  
+                      
+MyMIDI.addTempo(track, time, tempo)
+def addMotif(pitch, time, trackTime):
+    for i in range(0, len(pitch)):
+        MyMIDI.addNote(track, channel, pitch[i], trackTime + time[i], duration, volume)
+    return trackTime + time[len(time)-1]
+
+def createMotif():
+    length = random.randint(5, 10)
+    motifPitch = []
+    motifTime = []
+    previous = 60
+    upPercent = 50
+    consecutive = 1
+    time = 0
+    previousJump = 0
+    previousTimeInterval = 0
+    for i in range(0, length):
+        intervalType = random.randint(0, 100)
+        upDown = random.randint(0,100)
+        y = scale.index(previous)
+        if upDown > upPercent:
+            upDown = -1
+            upPercent += 2 * consecutive
+            consecutive += 1
+        else:
+            upDown = 1
+            upPercent += -2 * consecutive
+            consecutive += 1
+        y = scale.index(previous)
+        try:
+            if intervalType <= 25:
+                pitch = previous
+            elif intervalType <= 27:
+                upDown = -1 * previousJump
+                pitch = scale[y + 7*upDown]
+            elif intervalType <= 75:
+                pitch = scale[y + 1*upDown]
+            else:
+                skipInterval = random.randint(0, 100)
+                if intervalType <= 25:
+                    pitch = scale[y + 4*upDown]
+                elif intervalType <= 27:
+                    pitch = scale[y + 3*upDown]
+                elif intervalType <= 75:
+                    pitch = scale[y + 2*upDown]
+                else:
+                    pitch = scale[y + 5*upDown]
+        except IndexError:
+            upDown *= -1
+            if intervalType <= 25:
+                pitch = previous
+            elif intervalType <= 27:
+                pitch = scale[y + 7*upDown]
+            elif intervalType <= 75:
+                pitch = scale[y + 1*upDown]
+            else:
+                skipInterval = random.randint(0, 100)
+                if intervalType <= 25:
+                    pitch = scale[y + 4*upDown]
+                elif intervalType <= 27:
+                    pitch = scale[y + 3*upDown]
+                elif intervalType <= 75:
+                    pitch = scale[y + 2*upDown]
+                else:
+                    pitch = scale[y + 5*upDown]
+        timeInterval = random.randint(0, 100)
+        if timeInterval <= 10:
+            if previousTimeInterval == 1:
+                time = time + 1/4
+                previousTimeInterval = 1/4
+            else:
+                time = time + 1/16
+                previousTimeInterval = 1/16
+        elif timeInterval <= 41:
+            if previousTimeInterval == 1:
+                time = time + 1/4
+                previousTimeInterval = 1/4
+            else:
+                time = time + 1/8
+                previousTimeInterval = 1/8
+        elif timeInterval <= 81:
+            time = time + 1/4
+            previousTimeInterval = 1/4
+        elif timeInterval <= 88:
+            time = time + 1/4 + 1/8
+            previousTimeInterval = 1/8 + 1/4
+        elif timeInterval <= 97:
+            if previousTimeInterval == 1/16:
+                time = time + 1/4
+                previousTimeInterval = 1/4
+            else:
+                time = time + 1/2
+                previousTimeInterval = 1/2
+        elif timeInterval <= 100:
+            if previousTimeInterval == 1/16:
+                time = time + 1/2
+                previousTimeInterval = 1/2
+            else:
+                time = time + 1
+                previousTimeInterval = 1
+        motifPitch.append(pitch)
+        motifTime.append(time)
+        previous = pitch
+        previousJump = upDown
+    return motifPitch, motifTime
+    
+x, y = createMotif()
+a, b = createMotif()
+c, d = createMotif()
+trackTime = addMotif(x, y, trackTime)
+trackTime = addMotif(x, y, trackTime)
+trackTime = addMotif(a, b, trackTime)
+trackTime = addMotif(a, b, trackTime)
+trackTime = addMotif(c, d, trackTime)
+
+with open("random.mid", "wb") as output_file:
+    MyMIDI.writeFile(output_file)
\ No newline at end of file