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jasylibrary.py
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#
# AppCache for Jasy - App cache supporting library
#
#
# Copyright (C) 2012-2014 Sebastian Fastner, Mainz, Germany
# Copyright (C) 2015 Sebastian Software GmbH, Mainz, Germany
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import time, json
import os.path
from jasy.asset.Manager import AssetManager
from jasy.core.FileManager import FileManager
import jasy.core.Console as Console
import jasy.build.Asset as AssetBuilder
import jasy.build.Script as ScriptBuilder
import jasy.build.Style as StyleBuilder
KERNEL_NAME = "kernel"
def filenamesFromAsset(prefix, section, profiles, entries=None):
if (entries == None):
entries = []
if section:
for filename in section:
entry = section[filename]
if (len(prefix) > 0):
id = prefix + "/" + filename
else:
id = filename
if "p" in entry:
entries.append(profiles[entry["p"]]["root"] + id)
else:
filenamesFromAsset(id, entry, profiles, entries)
return entries
@share
def cacheManifest(profile):
PREFIX = "{{prefix}}"
HASH = "{{id}}"
timestamp = time.strftime("%Y-%m-%d %H:%M:%S")
appcache = """CACHE MANIFEST
# Jasy AppCache Manifest file
# Version: {version}
CACHE:
{htmlfile}
{scripts}
{assets}
NETWORK:
*"""
htmlcache = '<!DOCTYPE html><html manifest="{manifestfile}"></html>'
destinationPath = profile.getDestinationPath()
fileManager = FileManager(profile)
session = profile.getSession()
parts = profile.getParts()
assetBuilder = AssetBuilder.AssetBuilder(profile)
scriptBuilder = ScriptBuilder.ScriptBuilder(profile)
styleBuilder = StyleBuilder.StyleBuilder(profile)
assetManager = profile.getAssetManager()
htmlfile = "index.html"
for permutation in profile.permutate():
scripts = []
assets = []
if KERNEL_NAME in parts:
scripts.append("js/kernel.js")
for part in parts:
if part != KERNEL_NAME:
scripts.append(profile.expandFileName("js/%s-{{id}}.js" % part))
assets.append(profile.expandFileName("css/%s-{{id}}.css" % part))
# TODO: How to get permutated asset list?
for (srcFile, dstFile) in assetManager.getAssetList():
assets.append(os.path.relpath(dstFile, profile.getDestinationPath()))
appcacheFilename = "appcache-{{id}}.manifest"
fileManager.writeFile(
"{{destination}}/" + appcacheFilename,
appcache.format(version=timestamp, htmlfile=htmlfile, scripts="\n".join(scripts), assets="\n".join(assets))
)
fileManager.writeFile("{{destination}}/index-{{id}}.html", htmlcache.format(manifestfile=profile.expandFileName(appcacheFilename)))
Console.info("Generate manifest file...")
"""
assetManager = AssetManager(session).addBuildProfile()
outputManager = OutputManager(session, assetManager)
fileManager = FileManager(session)
# Create an application cache file for each permutation
for permutation in session.permutate():
if ignoreAssets:
assets = []
else:
classes = Resolver(session).addClassName(startClassName).getSortedClasses()
assetConfig = json.loads(assetManager.export(classes))
assets = filenamesFromAsset("", assetConfig["assets"], assetConfig["profiles"])
# Set options
if hasattr(permutation, "getId"):
checksum = permutation.getId()
else:
checksum = session.expandFileName(HASH) #instead of permutation.getChecksum()
scriptFiles = []
for script in scripts:
scriptFiles.append(script % checksum)
manifestFilename = "appcache-%s.manifest" % (checksum)
fileManager.writeFile(PREFIX + "/" + manifestFilename, appcache.format(version=timestamp, htmlfile=htmlfile, kernel=kernel, scripts="\n".join(scriptFiles), assets="\n".join(assets)))
fileManager.writeFile(PREFIX + "/index-%s.html" % (checksum), htmlcache % manifestFilename)
"""