Revert compressed file if larger #229
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oxipng and jpegoptim already do this by default. cwebp doesn't have a skip option, so manually reverting it is necessary. Closes Huluti#172
This is done by creating a copy of the input file that is then used to copy over onto the output file, effectively reverting it. This was the best solution I could find.
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This should work in overwrite mode. I wish the solution was cleaner, but this was the best I could come up with. I should note something that I found on the Python docs, however:
This does make me a little hesitant to use |
This was done because the new code is cleaner and still produces the desired result, at least from my testing.
I forgot to remove this, I'd imported io in attempts to simplify the code and forgot it was imported.
Oxipng and jpegoptim already skip over files that'll be larger by default. pngquant has an option to skip them if larger, which I added. cwebp doesn't have any option for this as far as I know, so the file has to be reverted manually. I'm not sure if there's a cleaner way to do it. The attached image shows the result of a file being skipped/reverted.
I'm also not sure if scour has an option to skip files if they'll end up being larger, but if #227 gets fixed, that won't be a problem. The check I added should catch compressed SVG files that end up being larger anyway.
This currently doesn't properly handle reverting files while in overwrite mode. I'll implement that when I have the time.(Done).Closes #172