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ZipFly

Project description

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Buzon - ZipFly

ZipFly is a zip archive generator based on zipfile.py. It was created by Buzon.io to generate very large ZIP archives for immediate sending out to clients, or for writing large ZIP archives without memory inflation.

Requirements

Python 3.6+

Install

pip3 install zipfly

Basic usage, compress on-the-fly during writes

Basic use case is compressing on the fly. Some data will be buffered by the zipfile deflater, but memory inflation is going to be very constrained. Data will be written to destination at fairly regular intervals.

ZipFly defaults arguments:

  • paths: [ ]
  • mode: (write) w
  • chunksize: (bytes) 16384
  • compression: Stored
  • allowZip64: True
  • compresslevel: None
  • storesize: (bytes) 0

paths list of dictionaries:

  • fs (filesystem): path from your disk
  • n (name): add a custom file path in the zip file (Optional)
    
    import zipfly
    
    paths = [
        {
            'fs': '/path/to/large/file'
        },
    ]

    # ZipFly
    zfly = zipfly.ZipFly( paths = paths )

    with open("large.zip", "wb") as f:
        for i in zfly.generator():
            f.write(i)

Examples

Streaming multiple files in a zip with Django or Flask Send forth large files to clients with the most popular frameworks

Create paths Easy way to create the array paths from a parent folder.

Predict the size of the zip file before creating it Use the BufferPredictionSize to compute the correct size of the resulting archive before creating it.

Streaming a large file Efficient way to read a single very large binary file in python

Set a comment Your own comment in the zip file

Maintainer

Santiago Debus (@santiagodebus.com)

Santiago's open-source projects are supported by his Patreon. If you found this project helpful, any monetary contributions to the Patreon are appreciated and will be put to good creative use.

License

This library was created by Buzon.io and is released under the MIT. Copyright 2020 Grow HQ, Inc.

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Files for zipfly, version 5.0.1
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