Concatenating memory views in Python: Function and example

Last update on December 21 2024 07:29:32 (UTC/GMT +8 hours)

Write a Python function that takes two memory views and concatenates them. Print the concatenated memory view.

Sample Solution:

Code:

def concatenate_memory_views(mem_view1, mem_view2):
    result = bytearray(mem_view1) + bytearray(mem_view2)
    return memoryview(result)

def main():
    data1 = bytearray(b"Python ")
    data2 = bytearray(b"Exercises!")
    print("Memory views:")
    memory_view1 = memoryview(data1)
    print(memory_view1)
    memory_view2 = memoryview(data2)
    print(memory_view2)
    concatenated_view = concatenate_memory_views(memory_view1, memory_view2)
    print("Concatenated Memory View:", concatenated_view.tobytes().decode("utf-8"))
if __name__ == "__main__":
    main()

Output:

Memory views:
<memory at 0x000001A6784F7588>
<memory at 0x000001A67988E108>
Concatenated Memory View: Python Exercises!

In the above exercise, the "concatenate_memory_views()" function takes two memory views, converts them to bytearrays, concatenates them, and then returns a new memory view created from the concatenated bytearray.

The "main()" function creates two bytearrays, converts them to memory views, and then calls the "concatenate_memory_views()" function to concatenate them. In the end, it converts the concatenated memory view back to a string using the decode method with UTF-8 encoding.

Flowchart:

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