def output(partIdx):
"""Uses the student code to compute the output for test cases."""
outputString = ''
dictInp = pickle.load(open("testInputA1.pkl")) ## load the dict
testCases = dictInp['testCases']
outputType = dictInp['outputType']
if partIdx == 0: # This is wk1-part-1: readAudio
for line in testCases['A1-part-1']:
answer = readAudio(**line)
if outputType['A1-part-1'][0] == type(answer):
outputString += convertNpObjToStr(answer) + '\n'
else:
wrongOutputTypeError(outputType['A1-part-1'][0])
sys.exit(1)
elif partIdx == 1: # This is wk1-part-2: minMaxAudio
for line in testCases['A1-part-2']:
answer = minMaxAudio(**line)
if outputType['A1-part-2'][0] == type(answer):
outputString += str(answer).strip('()') + '\n'
else:
wrongOutputTypeError(outputType['A1-part-1'][0])
sys.exit(1)
elif partIdx == 2: # This is wk1-part-3: hopSamples
for line in testCases['A1-part-3']:
answer = hopSamples(**line)
if outputType['A1-part-3'][0] == type(answer):
answer = answer.copy(
) # Important, else does not allocate continuous memory locations
outputString += convertNpObjToStr(answer) + '\n'
else:
wrongOutputTypeError(outputType['A1-part-1'][0])
sys.exit(1)
return outputString.strip()
def output(partIdx):
"""Uses the student code to compute the output for test cases."""
outputString = ''
dictInp = pickle.load(open("testInputA1.pkl")) ## load the dict
testCases = dictInp['testCases']
outputType = dictInp['outputType']
if partIdx == 0: # This is wk1-part-1: readAudio
for line in testCases['A1-part-1']:
answer = readAudio(**line)
if outputType['A1-part-1'][0] == type(answer):
outputString += convertNpObjToStr(answer) + '\n'
else:
wrongOutputTypeError(outputType['A1-part-1'][0])
sys.exit(1)
elif partIdx == 1: # This is wk1-part-2: minMaxAudio
for line in testCases['A1-part-2']:
answer = minMaxAudio(**line)
if outputType['A1-part-2'][0] == type(answer):
outputString += str(answer).strip('()') + '\n'
else:
wrongOutputTypeError(outputType['A1-part-2'][0])
sys.exit(1)
elif partIdx == 2: # This is wk1-part-3: hopSamples
for line in testCases['A1-part-3']:
answer = hopSamples(**line)
if outputType['A1-part-3'][0] == type(answer):
answer = answer.copy() # Important, else does not allocate continuous memory locations
outputString += convertNpObjToStr(answer) + '\n'
else:
wrongOutputTypeError(outputType['A1-part-3'][0])
sys.exit(1)
return outputString.strip()
#from utilFunctions import wavread
from scipy.io.wavfile import read
from A1Part1 import readAudio
def hopSamples(x, M):
"""
Inputs:
x: input numpy array
M: hop size (positive integer)
Output:
A numpy array containing every Mth element in x, starting
from the first element in x.
"""
return x[0::M]
input = './sounds/32158__zin__piano-2-140bpm.wav'
x = readAudio(input)
M = 2
output = hopSamples(x, M)
print(output)
def test1():
a = readAudio(pianoFilename)
return a