Update static build

plugins/static_build.py

@@ -1,28 +1,63 @@
 from pelican import signals
 import os
-import sh
+import subprocess
+import logging
+
+logger = logging.getLogger(__file__)
 
 NODE_PRODUCTION = os.environ.get('NODE_ENV') == 'production'
 
+
+def flatten_list(array):
+    res = []
+    for el in array:
+        if isinstance(el, (list, tuple)):
+            res.extend(flatten_list(el))
+            continue
+        res.append(el)
+    return res
+
+
+def run_command(detail, args, use_system=False):
+    logger.info(detail + '...')
+    if use_system:
+        exit_code = os.system(' '.join(flatten_list(args)))
+        if exit_code:
+            exit(exit_code)
+    else:
+        subprocess.run(flatten_list(args), check=True)
+
+
+def node_bin(exec):
+    return os.path.join('node_modules', '.bin', exec)
+
+
 def static_build(*args, **kwargs):
     if NODE_PRODUCTION:
-        print('Building Production...')
+        logger.info('Building Production...')
+        UGLIFY_ARGS = ['--compress', '--screw-ie8', '--define', '--stats', '--keep-fnames']
+    else:
+        UGLIFY_ARGS = []
 
-    sh.mkdir('-p', 'theme/static/build/js/lib')
+    run_command('Building Bootstrap', [node_bin('uglifyjs'), 'node_modules/bootstrap-sass/assets/javascripts/bootstrap.js', UGLIFY_ARGS , '-o', 'theme/static/build/js/bootstrap.js'])
-    os.system('uglifyjs node_modules/bootstrap-sass/assets/javascripts/bootstrap.js --compress --screw-ie8 --define --stats --keep-fnames -o theme/static/build/js/lib/bootstrap.js')
+    run_command('Building jQuery', [node_bin('uglifyjs'), 'node_modules/jquery/dist/jquery.js', UGLIFY_ARGS, '-o', 'theme/static/build/js/jquery.js'])
-    os.system('uglifyjs theme/static/build/js/lib/* --compress --screw-ie8 --define --stats --keep-fnames -o theme/static/build/js/libs.js')
+    run_command('Building Application', [
-    sh.rm('-rf', 'theme/static/build/js/lib')
+        node_bin('browserify'),
-    os.system('uglifyjs node_modules/jquery/dist/jquery.js --compress --screw-ie8 --define --stats --keep-fnames -o theme/static/build/js/jquery.js')
+        '-t', '[', 'babelify', '--presets', '[', 'es2015', 'react', ']', ']',
-    os.system('browserify -t [ babelify --presets [ es2015 react ] ] theme/static/src/js/app.js -o theme/static/build/js/app.js')
+        'theme/static/src/js/app.js',
-    os.system('uglifyjs theme/static/build/js/app.js --compress --screw-ie8 --define --stats --keep-fnames -o theme/static/build/js/app.js')
+        '-o', 'theme/static/build/js/app.js'
-    print('JS built!')
+    ])
+    run_command('Compressing Application', [node_bin('uglifyjs'), 'theme/static/build/js/app.js', UGLIFY_ARGS, '-o', 'theme/static/build/js/app.js'])
+
+    logger.info('JS built!')
+
+    run_command('Building Pygments Style', ['pygmentize', '-S', 'github', '-f', 'html', '-a', '.highlight', '>', 'theme/static/src/scss/pygment.css'], True)
+    run_command('Building Styles', [node_bin('node-sass'), 'theme/static/src/scss/index.scss', 'theme/static/build/css/index.css', '--source-map-embed'])
+    run_command('Prefixing Styles', [node_bin('postcss'), '-u', 'autoprefixer', '-o', 'theme/static/build/css/index.css', 'theme/static/build/css/index.css'])
+    run_command('Compressing Styles', [node_bin('cleancss'), '-d', '--s0', '-o', 'theme/static/build/css/index.css', 'theme/static/build/css/index.css'])
+
+    logger.info('SCSS Built!')
 
-    os.system('pygmentize -S github -f html -a .highlight > theme/static/src/scss/pygment.css')
-    os.system('npm run build-scss')
-    os.system('node-sass theme/static/src/scss/index.scss theme/static/build/css/index.css --source-map-embed')
-    os.system('postcss -u autoprefixer -o theme/static/build/css/index.css theme/static/build/css/index.css')
-    os.system('cleancss -d --s0 -o theme/static/build/css/index.css theme/static/build/css/index.css')
-    print('SCSS Built!')
 
 def register():
     signals.static_generator_init.connect(static_build)