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