Questions tagged [python-bytearray]
38 questions
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Flask api not reading bytearray remotely but does locally
My client.py is as follows:
import requests
with open("image.jpg", "rb") as imageFile:
# fil=imageFile.read()
# print(fil)
url = 'http://10.7.104.57:5000/julytest'
headers = {'Content-Type': 'application/octet-stream'}
try:
…
Apricot
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Creating Byte Object in Python3.x
I have a question considering python3. I am already trying for a few days to create a byte object, which looks like these:
b"'\x10\x00\x0020180425"
The first part '\x10\x00\x00 are two int16 objects which were combined. This is how I tried it to…
Simon K
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- 8
0
votes
1 answer
bytearray.reverse() not working within a class, is working when called on object
I have a class where in the initialization I set one member to a bytearray, and then another to its reverse by using the bytearray.reverse() function.
When I instantiate the class, the "reversed" array is not reversed. If I then call reverse on the…
Daniel B.
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0
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1 answer
Use variable value as bytes array in Python
I want to implement socket client in Python. The server expects the first 8 bytes contain total transmission size in bytes. In C client I did it like this:
uint64_t total_size = zsize + sizeof ( uint64_t );
uint8_t* xmlrpc_call = malloc ( total_size…
pugnator
- 665
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- 27
-1
votes
1 answer
Try to reverse an bytearray(from hex) in python
I have the following script:
hex_string = "c23dba5fcac1048b3c050266ceb6a0e870670021"
hex_bytes = bytearray.fromhex(hex_raw)
print(hex_bytes.reverse())
The problem it prints/returns None. I was wondering, because in this example it works.
Thanks in…
kabr8
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1 answer
discrepancy in results during conversion from int to bytes and vice versa provides in python3
I am using python3.4 in a venv.
I am writing a script for a sensor where, after reading a configuration file I need to send an int to the serial port in bytearray
a snippet of the class function is:
def set_sampling(self, type, sampling_us):
…
Shan-Desai
- 3,101
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-2
votes
1 answer
Python adding cr to lf in binary data?
I was writing a python script which converts an ascii file containing one pair numbers per line to a straight binary representation. Here is my script:
in_file = open("p02_0609.bin", 'r')
out_file = open("sta013.bin", 'w')
out_data =…
Austin Leydecker
- 19
- 4
-4
votes
1 answer
How exactly works the use of bytearray in Python?
I am absolutly new in Python and I have the following question.
From what I read on the documentation declaring a byte array I am not allowed to assign a value that doesn't come from the range 0 to 255.
Infact doing something like this:
data =…
AndreaNobili
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