rewrite in python
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14
Makefile
14
Makefile
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.PHONY: all subrecipes_png subrecipes_webp
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makeFileDir := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
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all: subrecipes_png subrecipes_webp
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true
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subrecipes_webp: stickers.json $(makeFileDir)/make.jq
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mkdir -p ./stickers
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jq -r -f make.jq --arg out_format '-f webp -preset:v icon -frames 1 ' --arg out_ext webp stickers.json > src/Makefile.webp.mk
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$(MAKE) -C src -f Makefile.webp.mk
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subrecipes_png: stickers.json $(makeFileDir)/make.jq
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mkdir -p ./stickers
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jq -r -f make.jq --arg out_format '-preset:v icon -frames 1' --arg out_ext png stickers.json > src/Makefile.png.mk
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$(MAKE) -C src -f Makefile.png.mk
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stickers.json:
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touch stickers.json
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18
make.jq
18
make.jq
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#!/usr/bin/env jq
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. as $stickers | [
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"allstickers_"+$out_ext+": " + ( [ $stickers[]| select(.disabled != "true") | "../stickers/sticker_"+.name+"."+$out_ext ] | join(" ")),
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($stickers[] | select(.disabled != "true") | [
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"../stickers/sticker_"+.name+"."+$out_ext + ": "+ ((.in[]| select(.format != "lavfi") | .input )|gsub("(\\s+)"; "\\ ")),
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"ffmpeg "
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+(if .in.base.format then "-f "+.in.base.format else "" end) +" -i "+ (.in.base.input|@sh)
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+ " -vf "
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+(if .colors and .colors.transparent then "geq=\\''"
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+"r=if(lt(alpha(X,Y),128),"+(.colors.transparent[0]|tostring)+",r(X,Y)):"
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+"g=if(lt(alpha(X,Y),128),"+(.colors.transparent[1]|tostring)+",g(X,Y)):"
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+"b=if(lt(alpha(X,Y),128),"+(.colors.transparent[2]|tostring)+",b(X,Y)):"
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+"a=alpha(X,Y)'\\'," else "" end)
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+"scale=w=512:h=512:force_original_aspect_ratio=decrease"
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+ " "
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+"-y -lossless 1 "+$out_format+" ../stickers/sticker_"+.name+"."+$out_ext
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] | join("\n\t"))
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] | join ("\n")
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101
make.py
Normal file
101
make.py
Normal file
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#!/usr/bin/env python3
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from yaml import safe_load
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from pathlib import Path
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from sys import argv
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import logging
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from shlex import quote
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path_stickers_root = Path(argv[1])
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path_stickers_output_dir = path_stickers_root / 'stickers'
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path_stickers_source_dir = path_stickers_root / 'src'
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path_makefile_gen = path_stickers_root / 'makefile.gen'
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path_stickers_data_dir = path_stickers_root / 'data'
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log = logging.getLogger("stickers.make")
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logging.basicConfig(
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filename=str(path_stickers_root / 'make.log'),
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level=logging.DEBUG
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)
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output_ext = 'static'
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out_formats = {
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'static': {
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'extension': 'webp',
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'options': '-lossless 1 -f webp'
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},
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'video': {
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'extension': 'webm',
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'options': '-codec:v libvpx-vp9 -map v -pix_fmt yuva420p'
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},
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'png': {
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'extension': 'png',
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'options': '-preset:v icon -frames 1'
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}
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}
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with open(path_makefile_gen, 'w') as makefile:
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targets_list = list()
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# makefile: skeleton rules
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makefile.write(".PHONY: all clean stickers/\n")
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makefile.write('stickers:\n\tmkdir stickers\n')
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makefile.write('clean:\n\trm -vrf stickers\n')
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for sticker_description_file in path_stickers_data_dir.glob('*.yaml'):
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log.debug('input description file: %s', sticker_description_file)
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with open(sticker_description_file) as yaml_file:
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sticker_description = safe_load(yaml_file)
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log.debug("stuff %s", sticker_description)
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target_filename = path_stickers_output_dir \
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/ ( sticker_description['name'] \
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+ '.' \
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+ out_formats[output_ext]['extension'] )
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if sticker_description['input']['base'].get('format','') \
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not in ('lavfi', 'image2'):
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prerequisite_filename = str(path_stickers_source_dir \
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/ sticker_description['input']['base']['input'])
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else:
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prerequisite_filename = ''
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targets_list.append(f"{target_filename}")
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# makefile: rule declaration
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escaped_prereq = prerequisite_filename.replace(' ', '\\ ')
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makefile.write(f"{target_filename}: {escaped_prereq} | stickers\n")
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# makefile: recipe ffmpeg base
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makefile.write('\tffmpeg ')
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# makefile: specify format if present
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if sticker_description['input']['base'].get('format'):
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makefile.write(f"-f {sticker_description['input']['base']['format']} ")
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# makefile: force input framerate if present
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if sticker_description['input']['base'].get('framerate'):
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makefile.write(f"-framerate {sticker_description['input']['base']['framerate']} ")
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#makefile: input base file
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input_file = quote(str(path_stickers_source_dir \
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/ sticker_description['input']['base']['input']
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)
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)
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makefile.write(f"-i {input_file} ")
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# makefile: video filter: base
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makefile.write('-vf ')
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# makefile: video filter: change transparent color
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if sticker_description['input'].get('colors',{}).get('transparent'):
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makefile.write("geq=\\''")
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transparent = sticker_description['input']['colors']['transparent']
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makefile.write(f"r=if(lt(alpha(X,Y),128),{transparent[0]},r(X,Y)):"
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f"g=if(lt(alpha(X,Y),128),{transparent[1]},g(X,Y)):"
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f"b=if(lt(alpha(X,Y),128),{transparent[2]},b(X,Y)):"
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"a=alpha(X,Y)'\\',"
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)
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# makefile: video filter: scale
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out_width = sticker_description.get('output', {}).get('width', 512)
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out_height = sticker_description.get('output', {}).get('height', 512)
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makefile.write(f"scale=w={out_width}:h={out_height}:force_original_aspect_ratio=decrease")
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# makefile: output file speed
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if sticker_description.get('output', {}).get('speed'):
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makefile.write(f",setpts={sticker_description['output']['speed']}")
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# makefile: video filter: finalize
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makefile.write(' ')
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# makefile: output file options
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makefile.write(f"{out_formats[output_ext]['options']} ")
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# makefile: replace output without confirmation
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makefile.write('-y ')
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# makefile: output file
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makefile.write(quote(str(target_filename)))
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# makefile: finalize recipe
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makefile.write('\n')
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makefile.write(f"all: {' '.join(targets_list)} | stickers\n")
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