python 脚本从股票价格创建音符
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#created by Austin Dixon
#script creates music from stock prices
class Music():
def __init__(self, filename):
self._filename = filename
self._result = []
self._value = []
def getText(self):
self._text = open(self._filename, 'r') # open file
self._result.extend(line.split(' ') for line in self._text.readlines()) # get lines
self._result = str(self._result).split(' ') # split list
#print("Result: ", self._result)
return self._result
def get_value(self):
num = 0
while (num < len(self._result)):
txt = str(self._result[num]) # gets string version of one item in list
txt = txt.replace(",","") # removes commas
txt = txt.replace("!","") # removes exclaimations
txt = txt.replace("[","") # removes left brackets
txt = txt.replace("]","") # removes right brackets
txt = txt.replace("\\n","") # removes new lines
txt = txt.replace("\\r","") # removes new lines
txt = txt.replace("'","") # removes whitespaces
txt = txt.replace('"',"") # removes double quotes
txt = txt.replace(";","") # removes semicolons
self._value.append(txt)
num = num + 1
while '' in self._value:
self._value.remove('') # get rid of empty tokens
#print(self._value)
return self._value
def set_beat(self, beat):
self._beat = beat
return self._beat
def header(self):
print("RRAUDIO")
#print("sampleRate:44100")
print("%%")
def play(self, note, octave, beat):
self._note = note
self._octave = octave
self._beat = beat
freq = []
if (self._note == "A"):
if (self._octave == 1):
duration = (44100 / 110.00)
elif (self._octave == 2):
duration = (44100 / 220.00)
elif (self._octave == 3):
duration = (44100 / 440.00)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "B"):
if (self._octave == 1):
duration = (44100 / 123.47)
elif (self._octave == 2):
duration = (44100 / 246.94)
elif (self._octave == 3):
duration = (44100 / 493.88)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "C"):
if (self._octave == 1):
duration = (44100 / 130.81)
elif (self._octave == 2):
duration = (44100 / 261.63)
elif (self._octave == 3):
duration = (44100 / 523.25)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "D"):
if (self._octave == 1):
duration = (44100 / 146.83)
elif (self._octave == 2):
duration = (44100 / 293.66)
elif (self._octave == 3):
duration = (44100 / 587.33)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "E"):
if (self._octave == 1):
duration = (44100 / 164.81)
elif (self._octave == 2):
duration = (44100 / 329.63)
elif (self._octave == 3):
duration = (44100 / 659.26)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "F"):
if (self._octave == 1):
duration = (44100 / 146.83)
elif (self._octave == 2):
duration = (44100 / 293.66)
elif (self._octave == 3):
duration = (44100 / 698.46)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "G"):
if (self._octave == 1):
duration = (44100 / 174.61)
elif (self._octave == 2):
duration = (44100 / 392.00)
elif (self._octave == 3):
duration = (44100 / 783.99)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
#sharps
if (self._note == "A#"):
if (self._octave == 1):
duration = (44100 / 116.54)
elif (self._octave == 2):
duration = (44100 / 233.08)
elif (self._octave == 3):
duration = (44100 / 466.16)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "C#"):
if (self._octave == 1):
duration = (44100 / 138.59)
elif (self._octave == 2):
duration = (44100 / 277.18)
elif (self._octave == 3):
duration = (44100 / 554.37)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "D#"):
if (self._octave == 1):
duration = (44100 / 155.56)
elif (self._octave == 2):
duration = (44100 / 311.13)
elif (self._octave == 3):
duration = (44100 / 622.25)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "F#"):
if (self._octave == 1):
duration = (44100 / 185.00)
elif (self._octave == 2):
duration = (44100 / 369.99)
elif (self._octave == 3):
duration = (44100 / 739.99)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
elif (self._note == "G#"):
if (self._octave == 1):
duration = (44100 / 207.65)
elif (self._octave == 2):
duration = (44100 / 415.30)
elif (self._octave == 3):
duration = (44100 / 830.61)
num = 0
while (num < duration):
sample = self._value[num]
freq.append(sample)
num = num + 1
num = 0
beat = (self._beat * duration)
beat = beat * self._beat
while(num < beat):
num2 = 0
while (num2 < len(freq)) and (num < beat):
print(freq[num2])
num = num + 1
num2 = num2 + 1
num = num + 1
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