python3-stream-zip

Python function to construct a ZIP archive on the fly

Description

Python function to construct a ZIP archive on the fly - without having to store the entire ZIP in memory or disk. This is useful in memory-constrained environments, or when you would like to start returning compressed data before you've even retrieved all the uncompressed data. Generating ZIPs on-demand in a web server is a typical use case for stream-zip.

In addition to being memory efficient (with some limitations) stream-zip:

- Constructs ZIP files that can be stream unzipped,

for example by stream-unzip

- Can construct Zip64 ZIP files. Zip64 ZIP files allow sizes far

beyond the approximate 4GiB limit of the original ZIP format

- Can construct ZIP files that contain symbolic links

- Can construct ZIP files that contain directories, including empty

directories

- Can construct password protected / AES-256 encrypted ZIP files

adhering to the WinZip AE-2 specification

- Allows the specification of permissions on the member files and

directories (although not all clients respect them)

- By default stores modification time as an extended timestamp.

An extended timestamp is a more accurate timestamp than the original

ZIP format allows

- Provides an async interface (that uses threads under the hood)

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Homepage

https://github.com/uktrade/stream-zip

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