795e1ceda5
* Migliorato il generatore di numeri casuali; * Corretto un errore nel namespace; * Corretti errori vari.
11 lines
1.1 KiB
Python
11 lines
1.1 KiB
Python
import math,random,itertools,pyaudio
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class primi:
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def primo(n):
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for i in range(3, int(math.sqrt(n)) + 1,2):
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if n % i == 0: return False
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return True
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def prossimo(n):
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if n % 2 == 0: n += 1
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while True:
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n += 2
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if primi.primo(n): yield n
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def lista(p, n):
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return tuple([p for p in itertools.islice(primi.prossimo(p), n)])
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class generatore:
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def rumore(l):
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audio = pyaudio.PyAudio()
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output = audio.open(format = pyaudio.paInt8, channels = 1, output=True, rate = 50000)
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for i in range(int(l*100/3)):
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output.write(chr(int(random.random() * 25 + 1)))
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output.close()
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audio.terminate()
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def leggirumore(inizio, fine, stop):
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audio = pyaudio.PyAudio()
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input = audio.open(format = pyaudio.paInt16, channels = 2, rate = 44100, input = True, frames_per_buffer = 1024)
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dati = input.read(int(44100 / 1024 * stop * 10))
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input.close()
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audio.terminate()
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dati = [i for i in dati if i != 0]
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numeri = [(i + random.randint(inizio,fine)) % (fine + abs(inizio)) + inizio for i in dati]
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for i in range(stop):
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yield numeri[i]
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def onetimepad(l):
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return tuple(generatore.leggirumore(0,2*16,l)) |