Force client-side purging of CSS/JS when updated.

9 年之前 · 016742402f
--- a/app.py
+++ b/app.py
@@ -2,9 +2,11 @@
 # -*- coding: utf-8  -*-

 from functools import wraps
 from hashlib import md5
 from json import dumps
 from logging import DEBUG, INFO, getLogger
 from logging.handlers import TimedRotatingFileHandler
 from os import path
 from time import asctime
 from traceback import format_exc

@@ -27,6 +29,7 @@ hand = TimedRotatingFileHandler("logs/app.log", when="midnight", backupCount=7)
 hand.setLevel(DEBUG)
 app.logger.addHandler(hand)
 app.logger.info(u"Flask server started " + asctime())
 app._hash_cache = {}

 def catch_errors(func):
    @wraps(func)
@@ -77,6 +80,22 @@ def close_databases(error):
    if g._db:
        g._db.close()

 def external_url_handler(error, endpoint, **values):
    if endpoint == "static" and "file" in values:
        fpath = path.join(app.static_folder, values["file"])
        mtime = path.getmtime(fpath)
        cache = app._hash_cache.get(fpath)
        if cache and cache[0] == mtime:
            hashstr = cache[1]
        else:
            with open(fpath, "rb") as f:
                hashstr = md5(f.read()).hexdigest()
            app._hash_cache[fpath] = (mtime, hashstr)
        return "/static/{0}?v={1}".format(values["file"], hashstr)
    raise error

 app.build_error_handler = external_url_handler

@app.route("/")
@catch_errors
 def index():
--- a/templates/api.mako
+++ b/templates/api.mako
@@ -1,4 +1,7 @@
 <%! from json import dumps %>\
 <%!
    from json import dumps
    from flask import url_for
 %>\
 <%def name="do_indent(size)">
    <br />
    % for i in xrange(size):
@@ -31,7 +34,7 @@
    <head>
        <meta charset="utf-8">
        <title>API - Earwig's Copyvio Detector</title>
        <link rel="stylesheet" href="${request.script_root}/static/api.min.css" type="text/css" />
        <link rel="stylesheet" href="${request.script_root}$(url_for('static', file='api.min.css')" type="text/css" />
    </head>
    <body>
        % if help:
--- a/templates/support/header.mako
+++ b/templates/support/header.mako
@@ -1,6 +1,6 @@
 <%page args="title"/>\
 <%!
    from flask import g, request
    from flask import g, request, url_for
    from copyvios.background import set_background
 %>\
 <!DOCTYPE html>
@@ -8,9 +8,9 @@
    <head>
        <meta charset="utf-8">
        <title>${title}</title>
        <link rel="stylesheet" href="${request.script_root}/static/style.min.css" type="text/css" />
        <link rel="stylesheet" href="${request.script_root}$(url_for('static', file='style.min.css')" type="text/css" />
        <script src="//code.jquery.com/jquery-1.11.1.min.js" type="text/javascript"></script>
        <script src="${request.script_root}/static/script.min.js" type="text/javascript"></script>
        <script src="${request.script_root}/$(url_for('static', file='script.min.js')" type="text/javascript"></script>
    </head>
    <% selected = g.cookies["CopyviosBackground"].value if "CopyviosBackground" in g.cookies else "list" %>\
    % if selected == "plain":