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Add param to only squash single image #208

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Merged
takluyver merged 2 commits into from
May 2, 2019
Merged

Add param to only squash single image #208

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dd63956
Add param to only squash single image
hugovk May 2, 2019
796395f
Rename param to --file
hugovk May 2, 2019
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14 changes: 12 additions & 2 deletions scripts/squash-images.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,12 @@
set -e

# pip install pillow
python3 scripts/thumbnail-images.py
if [ ! -z $1 ]
then
python3 scripts/thumbnail-images.py --file $1
else
python3 scripts/thumbnail-images.py
fi

# https://pmt.sourceforge.io/pngcrush/
# On Mac: brew install pngcrush
Expand All @@ -11,4 +16,9 @@ python3 scripts/thumbnail-images.py
# -ow Overwrite
# -brute Use brute-force: try 176 different methods

find . -iname '*.png' -exec pngcrush -ow -brute {} \;
if [ ! -z $1 ]
then
pngcrush -ow -brute $1
else
find . -iname '*.png' -exec pngcrush -ow -brute {} \;
fi
10 changes: 9 additions & 1 deletion scripts/thumbnail-images.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,21 @@
"""
Thumbnail images to a maximum of 320px wide and 160px high
"""
import argparse
import glob

from PIL import Image # pip install pillow

max_size = 320, 160

for infile in glob.glob("assets/*.png"):
parser = argparse.ArgumentParser(
description="Thumbnail images to a maximum size",
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
)
parser.add_argument("--file", default="assets/*.png", help="Input file specification")
args = parser.parse_args()

for infile in glob.glob(args.file):
im = Image.open(infile)
if im.width <= max_size[0] and im.height <= max_size[1]:
continue
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