Convert from string to bytes without changing the data in Python 3

Question

I would like to download binary data (a .wav file) from a website using python 3.

I was able to get the binary data as a string using requests.get but when I tried to write it to a file, the data was changed and the saved file was not correct:

import requets
waveurl = 'http://www ..... /song.wav'
res = requests.get(waveurl)
with open("song.wav, "wb") as f:
    f.write(bytes(res.text)

I also tried using struct.pack("B",each_byte) but it didn't help.

How can I convert properly download and save binary data to a file without changing it?

Possible duplicate of Best way to convert string to bytes in Python 3? — divibisan
– divibisan, Commented May 30, 2018 at 21:11

joe.liedtke · Accepted Answer · 2018-05-30 15:47:56Z

0

Based on the Request documentation you can access the response body as bytes using content instead of text. I would recommend that you give that a try.

import request
waveurl = 'http://www ..... /song.wav'
res = requests.get(waveurl)
with open("song.wav, "wb") as f:
    f.write(res.content)

I haven't tested this option, this i meant to provide a starting point for you.

answered May 30, 2018 at 15:47

joe.liedtke

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3 Comments

yzahavi Over a year ago

thx it solved it yeeey Thx.... but .... still how to take string and chage his meaning as bytes without changes

joe.liedtke Over a year ago

In your case I would recommend getting the raw bytes, since converting a string to bytes would require you to know the char set. Here is another thread that may be helpful stackoverflow.com/questions/7585435/…. And since it is a related topic you may also want to look into character sets since that is an important part of converting text to bytes joelonsoftware.com/2003/10/08/…

joe.liedtke Over a year ago

Also, since this solved your question please do consider accepting the answer.

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