Use configuration file to declare available engines

Natim / Thumbnailer

A service that take an url and returns a thumbnail

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Use configuration file to declare available engines #12

Open benoitbryon opened 12 years ago

benoitbryon commented 12 years ago

Note: focus on engines for now. Use default reader and writers.

benoitbryon commented 12 years ago

Proposal for some configuration file:

[thumbnailer]
engines = 
    crop
    scale
    favicon

[crop]
engine = thumbnailer.engines.images.Crop

[scale]
engine = thumbnailer.engines.images.Scale

[favicon]
engine =
    thumbnailer.engines.images.Crop
    thumbnailer.engines.images.Scale
width = 32
height = 32

Gives following URLs:

${api_url}/crop?${parameters}
${api_url}/scale?${parameters}
${api_url}/favicon?${parameters}

benoitbryon commented 12 years ago

or, if we need atomic configuration for each chained engine :

[favicon]
chain =
    crop-square
    scale32

[crop-square]
engine = thumbnailer.engines.images.crop
width = 400
height = 400

[scale32]
engine = thumbnailer.engines.images.Scale
width = 32