misc: switch to scss (#77952)

MANIFEST.in

@@ -1,5 +1,5 @@
 # static
-recursive-include scrutiny/static *.css *.js *.ico *.gif *.png *.jpg
+recursive-include scrutiny/static *.scss *.css *.js *.ico *.gif *.png *.jpg
 
 # templates
 recursive-include scrutiny/templates *.html

debian/control

@@ -6,6 +6,7 @@ Build-Depends: debhelper-compat (= 12),
                dh-python,
                python3-all,
                python3-setuptools,
+               sassc,
 Standards-Version: 3.9.6
 
 Package: python3-scrutiny

setup.py

@@ -2,7 +2,11 @@
 
 import os
 import subprocess
+from distutils.cmd import Command
+from distutils.command.build import build as _build
 from distutils.command.sdist import sdist
+from distutils.errors import CompileError
+from distutils.spawn import find_executable
 
 from setuptools import find_packages, setup
 
@@ -47,6 +51,48 @@ def get_version():
     return '0.0'
 
 
+class compile_scss(Command):
+    description = 'compile scss files into css files'
+    user_options = []
+
+    def initialize_options(self):
+        pass
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        sass_bin = None
+        for program in ('sassc', 'sass'):
+            sass_bin = find_executable(program)
+            if sass_bin:
+                break
+        if not sass_bin:
+            raise CompileError(
+                'A sass compiler is required but none was found.  See sass-lang.com for choices.'
+            )
+
+        for package in self.distribution.packages:
+            for package_path in __import__(package).__path__:
+                for path, dirnames, filenames in os.walk(package_path):
+                    for filename in filenames:
+                        if not filename.endswith('.scss'):
+                            continue
+                        if filename.startswith('_'):
+                            continue
+                        subprocess.check_call(
+                            [
+                                sass_bin,
+                                '%s/%s' % (path, filename),
+                                '%s/%s' % (path, filename.replace('.scss', '.css')),
+                            ]
+                        )
+
+
+class build(_build):
+    sub_commands = [('compile_scss', None)] + _build.sub_commands
+
+
 setup(
     name='scrutiny',
     version=get_version(),
@@ -63,6 +109,8 @@ setup(
         'gadjo',
     ],
     cmdclass={
+        'build': build,
+        'compile_scss': compile_scss,
         'sdist': eo_sdist,
     },
 )