6f3b995455
Rather than generating the URL in helpers/jinja2.py, we move the logic to helpers/assetcache.py because there are consumers of asset URLs in Python code (for better or for worse).
30 lines
701 B
Python
30 lines
701 B
Python
import os
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import zlib
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from collections import defaultdict
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ASSET_DIR = 'files/assets'
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ASSET_URL = '/assets/'
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ASSET_CACHE = defaultdict(lambda: None)
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def assetcache_build(asset_dir):
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for root, dirs, files in os.walk(asset_dir):
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for fname in files:
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fpath = root + '/' + fname
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relpath = fpath[len(asset_dir) + 1:].replace('\\', '/')
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with open(fpath, 'rb') as f:
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fhash = zlib.crc32(f.read())
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ASSET_CACHE[relpath] = '%x' % fhash
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def assetcache_hash(asset_path):
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return ASSET_CACHE[asset_path]
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def assetcache_path(asset_path):
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cachehash = assetcache_hash(asset_path)
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url = ASSET_URL + asset_path
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if cachehash:
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url += '?v=' + cachehash
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return url
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assetcache_build(ASSET_DIR)
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