import os.path

from zipfile import ZipFile, ZIP_DEFLATED

from io import BytesIO

class InMemoryZip(object):

def __init__(self):

# Create the in-memory file-like object

self.in_memory_zip = BytesIO()

self.zip = ZipFile(self.in_memory_zip, "a", ZIP_DEFLATED, False)

def append(self, filename, unique_id, content):

# Write the file to the in-memory zip

if unique_id:

filename = concat_unique_id(filename, unique_id)

self.zip.writestr(filename, content)

def close(self):

self.zip.close()

# to bytes

def read(self) -> bytes:

self.in_memory_zip.seek(0)

return self.in_memory_zip.read()

def concat_unique_id(filename: str, unique_id: str) -> str:

if filename.startswith(os.sep):

# remove leading slash to join path correctly

filename = filename[len(os.sep):]

return os.path.join(unique_id, filename)