stream-zip

from datetime import datetime from stat import S_IFREG from stream_zip import ZIP_32, stream_zip, ZIP_64 def generate_file_content(data): yield data.encode('utf-8') def member_files(): modified_at = datetime.now() mode = S_IFREG | 0o600 # Regular file, owner read/write # Example 1: Small file using ZIP_32 (default) yield ( 'my-file-1.txt', modified_at, mode, ZIP_32, generate_file_content('This is some content for file 1.') ) # Example 2: Potentially larger file or for explicit 64-bit support yield ( 'my-file-2.json', modified_at, mode, ZIP_64, generate_file_content('{"key": "value", "data": [1, 2, 3]}') ) # Example 3: An empty directory yield ( 'my-directory/', modified_at, S_IFREG | 0o755, # Directory permissions ZIP_32, () ) # Stream the ZIP file chunks zipped_chunks = stream_zip(member_files()) # In a real application, you would send these chunks directly as an HTTP response # or write them to a file. For this example, we'll print them. # You might also use io.BytesIO to collect them into a single bytes object for testing. # Example of consuming chunks (e.g., writing to a file) # with open('output.zip', 'wb') as f: # for chunk in zipped_chunks: # f.write(chunk) print("Generated ZIP chunks (first few bytes of each):") for i, chunk in enumerate(zipped_chunks): print(f"Chunk {i}: {len(chunk)} bytes (starts with: {chunk[:20]})") if i > 5: # Limit output for demonstration print("...") break