fcb51c09d3
Provides a module `assetcache` to support automatic cachebusting of
static web assets, rather than the current approach of incrementing
a version number.
On module load, it walks the file/assets/ dir, computes a CRC32 of
each asset, and provides those hashes via `assetcache_get(path)` at
runtime. The primary consumer of hashes at present is the new `asset`
filter for Jinja2, which accepts a relative asset path and returns the
full path, with cache busting, suitable for final use in the template.
Ex: `{{ 'css/main.css' | asset }}`
81 lines
1.7 KiB
Python
81 lines
1.7 KiB
Python
from files.__main__ import app
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from .get import *
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from os import listdir, environ
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from .const import *
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import time
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from files.helpers.assetcache import assetcache_get
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@app.template_filter("post_embed")
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def post_embed(id, v):
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try: id = int(id)
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except: return None
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p = get_post(id, v, graceful=True)
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if p: return render_template("submission_listing.html", listing=[p], v=v)
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return ''
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@app.template_filter("timestamp")
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def timestamp(timestamp):
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age = int(time.time()) - timestamp
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if age < 60:
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return "just now"
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elif age < 3600:
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minutes = int(age / 60)
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return f"{minutes}m ago"
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elif age < 86400:
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hours = int(age / 3600)
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return f"{hours}hr ago"
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elif age < 2678400:
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days = int(age / 86400)
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return f"{days}d ago"
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now = time.gmtime()
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ctd = time.gmtime(timestamp)
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months = now.tm_mon - ctd.tm_mon + 12 * (now.tm_year - ctd.tm_year)
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if now.tm_mday < ctd.tm_mday:
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months -= 1
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if months < 12:
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return f"{months}mo ago"
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else:
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years = int(months / 12)
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return f"{years}yr ago"
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@app.template_filter("asset")
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def template_asset(asset_path):
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outpath = '/assets/' + asset_path
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cachehash = assetcache_get(asset_path)
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if cachehash:
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outpath += '?v=' + cachehash
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return outpath
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@app.context_processor
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def inject_constants():
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return {
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"environ":environ,
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"SITE":SITE,
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"SITE_ID":SITE_ID,
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"SITE_TITLE":SITE_TITLE,
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"SITE_FULL":SITE_FULL,
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"AUTOJANNY_ID":AUTOJANNY_ID,
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"NOTIFICATIONS_ID":NOTIFICATIONS_ID,
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"PUSHER_ID":PUSHER_ID,
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"CC":CC,
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"CC_TITLE":CC_TITLE,
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"listdir":listdir,
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"MOOSE_ID":MOOSE_ID,
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"AEVANN_ID":AEVANN_ID,
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"PIZZASHILL_ID":PIZZASHILL_ID,
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"config":app.config.get,
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"DEFAULT_COLOR":DEFAULT_COLOR,
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"COLORS":COLORS,
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"ADMINISTRATORS":ADMINISTRATORS
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}
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