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Search and download music album covers

Project description

Smart Automatic Cover Art Downloader

Latest Version Tests Status Coverage Supported Python versions License

SACAD is a multi platform command line tool to download album covers without manual intervention, ideal for integration in scripts, audio players, etc.

Features

  • Can target specific image size, and find results for high resolution covers

  • Support JPEG and PNG formats

  • Currently support the following cover sources:

    • Last.fm

    • Google Images

    • CoverLib

    • Amazon CD

    • Amazon digital music

  • Smart sorting algorithm to select THE best cover for a given query, using several factors: source reliability, image format, image size, image similarity with reference cover, etc.

  • Automatically crunch images with optipng or jpegoptim (can save 30% of filesize without any loss of quality, great for portable players)

  • Cache search results locally for faster future search

  • Do everything to avoid getting blocked by the sources: hide user-agent and automatically take care of rate limiting

  • Automatically convert/resize image if needed

  • Multiplatform (Windows/Mac/Linux)

SACAD is designed to be robust and be executed in batch of thousands of queries:

  • HTML parsing is done without regex but with the LXML library, which is faster, and more robust to page changes

  • When the size of an image reported by a source is not reliable (ie. Google Images), automatically download the first KB of the file to get its real size from the file header

  • Use multithreading when relevant, to speed up processing

Installation

SACAD needs Python >= 3.3.

From PyPI (with PIP)

  1. If you don’t already have it, install pip for Python 3 (not needed if you are using Python >= 3.4)

  2. Install SACAD: pip3 install sacad

From source

  1. If you don’t already have it, install setuptools for Python 3

  2. Clone this repository: git clone https://github.com/desbma/sacad

  3. Install SACAD: python3 setup.py install

Standalone Windows executable

Windows users can also download a standalone binary which does not require Python:

Optional

Additionnaly, if you want to benefit from image crunching (lossless recompression):

On Ubuntu and other Debian derivatives, you can install both with sudo apt-get install optipng jpegoptim.

Note that depending of the speed of your CPU, crunching may significantly slow down processing as it is very CPU intensive (especially for PNG files).

Command line usage

To download the cover of Master of Puppets from Metallica, to the file AlbumArt.jpg, targetting ~ 600x600 pixel resolution: sacad 'metallica' 'master of puppets' 600 AlbumArt.jpg.

Run sacad -h to get full command line reference.

Limitations

  • Only supports front covers

Adding cover sources

Adding a new cover source is very easy if you speak Python, you need to inherit the CoverSource class and implement the following methods:

  • getSearchUrl(self, album, artist)

  • updateHttpHeaders(self, headers)

  • parseResults(self, api_data)

See comments in the code for more information.

License

Mozilla Public License Version 2.0

Project details


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This version

1.3.2

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