build_css.py

#!/usr/bin/env python3

import os
import fnmatch
import subprocess
import json
import sys

'''
open asset directory
for each file do these
    get hash
    process sass, output filename w/ hash
    add to data, data structure
then output data.js file
'''

data = {}
path = os.path.abspath(sys.argv[1])
out_path = os.path.abspath(sys.argv[2])
j_data = os.path.abspath('data/snowblind/css.json')

if not os.path.isdir(path):
    sys.exit()

if not os.path.isdir(out_path):
    os.mkdir(out_path, mode=0o755)

for fname in fnmatch.filter(os.listdir(path), '*scss'):
    hash = subprocess.getoutput("git log --format='%h' -n1 {}/{}".format(path,fname))
    base_name = os.path.splitext(fname)[0]
    out_name = "{}-{}.css".format(base_name, hash)

    # sassc -t compressed ${THEME_PATH}/assets/css/core.scss ${THEME_PATH}/static/css/core-${HUGO_NUM}.css
    sass_cmd = "sassc -t compressed {}/{} {}/{}".format(path, fname, out_path, out_name)
    if os.path.isfile(out_path + "/" + out_name):
        print("File already exists, skipping: {}/{}".format(out_path, out_name))
    else:
        print("Generating: {}/{}".format(out_path, out_name))
        subprocess.run(sass_cmd, shell=True, check=True)

    data[base_name] = out_name

with open(j_data, 'w') as outfile:
    print("Generating CSS json data file. ", end="")
    json.dump(data, outfile)
    print("Done.")

print("CSS Processing Complete.")