Make downloading scientific data much easier

Introduction

DataDownloader is a user-friendly package for downloading files using HTTP/HTTPS. It currently includes a downloader module for downloading files, a parse_urls module for parsing URLs, and a services module for managing well-known online services.

Highlight Features

DataDownloader has several features to make retrieving files easy, including:

• Resumable: You can resume aborted downloads automatically when you re-execute the code if website support resuming (status code is 216 or 416 when send a HEAD request to the server supplying a Range header)
• Asynchronous: Can download multiple files at the same time when download a single file very slow.
• Convenient: Provide a easy way to manage your username and password and parse urls from different sources:
  • netrc: Provide a convenient way to manage your username and password via .netrc file, avoiding providing your login information over and over again.
  • parse_urls: Provide various methods to parse urls from different sources. See sections :ref:parse_urls for more details
  • services: Provide a convenient way to manage well-known online services, currently support: HyP3, LiCSAR, Sentinel-1 orbit.

Installation

You can install DataDownloader via pip from PyPI:

pip install data_downloader

or you can install the latest version from GitHub:

pip install git+hhttps://github.com/Fanchengyan/data-downloader.git

Usage

The detailed documentation is available at: https://data-downloader.readthedocs.io/en/latest/.

Tip

We provide some examples to help you get started quickly : https://data-downloader.readthedocs.io/en/latest/Tutorials/index.html