Sith/staticfiles/storage.py

64 lines
2.4 KiB
Python

from pathlib import Path
from django.conf import settings
from django.contrib.staticfiles.finders import find
from django.contrib.staticfiles.storage import (
ManifestStaticFilesStorage,
)
from django.core.files.storage import Storage
from staticfiles.processors import JS, JSBundler, Scss
class ManifestPostProcessingStorage(ManifestStaticFilesStorage):
def url(self, name: str, *, force: bool = False) -> str:
"""Get the URL for a file, convert .scss calls to .css calls to bundled files to their output ones"""
# This name swap has to be done here
# Otherwise, the manifest isn't aware of the file and can't work properly
if settings.DEBUG:
try:
manifest = JSBundler.get_manifest()
except Exception as e:
raise Exception(
"Error loading manifest file, the bundler seems to be busy"
) from e
converted = manifest.mapping.get(name, None)
if converted:
name = converted
path = Path(name)
# Call bundler manifest
if path.suffix == ".scss":
# Compile scss files automatically in debug mode
if settings.DEBUG:
Scss.compile(
[
Scss.CompileArg(absolute=Path(p), relative=Path(name))
for p in find(name, all=True)
]
)
name = str(path.with_suffix(".css"))
return super().url(name, force=force)
def hashed_name(self, name, content=None, filename=None):
# Ignore bundled files since they will be added at post process
if JSBundler.is_in_bundle(name):
return name
return super().hashed_name(name, content, filename)
def post_process(
self, paths: dict[str, tuple[Storage, str]], *, dry_run: bool = False
):
# Whether we get the files that were processed by ManifestFilesMixin
# by calling super() or whether we get them from the manifest file
# makes no difference - we have to open the manifest file anyway
# because we need to update the paths stored inside it.
yield from super().post_process(paths, dry_run)
if not dry_run:
JS.minify()
manifest = JSBundler.get_manifest()
self.hashed_files.update(manifest.mapping)
self.save_manifest()