#!/usr/bin/env?python2.7
from?__future__?import?absolute_import?unicode_literals?print_function?division

from?sys?import?argv
from?os?import?environ?stat?remove?as?_delete_file
from?os.path?import?isfile?dirname?basename?abspath
from?hashlib?import?sha256
from?subprocess?import?check_call?as?run

from?boto.s3.connection?import?S3Connection
from?boto.s3.key?import?Key
from?boto.exception?import?S3ResponseError


NEED_TO_UPLOAD_MARKER?=?‘.need-to-upload‘
BYTES_PER_MB?=?1024?*?1024
try:
????BUCKET_NAME?=?environ[‘TWBS_S3_BUCKET‘]
except?KeyError:
????raise?SystemExit（“TWBS_S3_BUCKET?environment?variable?not?set!“）


def?_sha256_of_file（filename）:
????hasher?=?sha256（）
????with?open（filename?‘rb‘）?as?input_file:
????????hasher.update（input_file.read（））
????file_hash?=?hasher.hexdigest（）
????print（‘sha256（{}）?=?{}‘.format（filename?file_hash））
????return?file_hash


def?_delete_file_quietly（filename）:
????try:
????????_delete_file（filename）
????except?（OSError?IOError）:
????????pass


def?_tarball_size（directory）:
????kib?=?stat（_tarball_filename_for（directory））.st_size?//?BYTES_PER_MB
????return?“{}?MiB“.format（kib）


def?_tarball_filename_for（directory）:
????return?abspath（‘./{}.tar.gz‘.format（basename（directory）））


def?_create_tarball（directory）:
????print（“Creating?tarball?of?{}...“.format（directory））
????run（[‘tar‘?‘-czf‘?_tarball_filename_for（directory）?‘-C‘?dirname（directory）?basename（directory）]）


def?_extract_tarball（directory）:
????print（“Extracting?tarball?of?{}...“.format（directory））
????run（[‘tar‘?‘-xzf‘?_tarball_filename_for（directory）?‘-C‘?dirname（directory）]）


def?download（directory）:
????_delete_file_quietly（NEED_TO_UPLOAD_MARKER）
????try:
????????print（“Downloading?{}?tarball?from?S3...“.format（friendly_name））
????????key.get_contents_to_filename（_tarball_filename_for（directory））
????except?S3ResponseError?as?err:
????????open（NEED_TO_UPLOAD_MARKER?‘a‘）.close（）
????????print（err）
????????raise?SystemExit（“Cached?{}?download?failed!“.format（friendly_name））
????print（“Downloaded?{}.“.format（_tarball_size（directory）））
????_extract_tarball（directory）
????print（“{}?successfully?installed?from?cache.“.format（friendly_name））


def?upload（directory）:
????_create_tarball（directory）
????print（“Uploading?{}?tarball?to?S3...?（{}）“.format（friendly_name?_tarball_size（directory）））
????key.set_contents_from_filename（_tarball_filename_for（directory））
????print（“{}?cache?successfully?updated.“.format（friendly_name））
????_delete_file_quietly（NEED_TO_UPLOAD_MARKER）


if?__name__?==?‘__main__‘:
????#?Uses?environment?variables:
????#???AWS_ACCESS_KEY_ID?--?AWS?Access?Key?ID
????#???AWS_SECRET_ACCESS_KEY?--?AWS?Secret?Access?Key
????argv.pop（0）
????if?len（argv）?!=?4:
????????raise?SystemExit（“USAGE:?s3_cache.py????“）
????mode?friendly_name?dependencies_file?directory?=?argv

????conn?=?S3Connection（）
????bucket?=?conn.lookup（BUCKET_NAME?validate=False）
????if?buck

?屬性????????????大小?????日期????時間???名稱
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?????文件???????1377??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\92.gif

?????文件???????1119??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\93.gif

?????文件???????3426??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\94.gif

?????文件???????3011??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\95.gif

?????文件???????1796??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\96.gif

?????文件???????5300??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\97.gif

?????文件???????1629??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\98.gif

?????文件???????2261??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\99.gif

?????文件???????8704??2015-09-26?16:18??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Face\Thumbs.db

?????文件???????8426??2015-09-26?16:17??duoqy\dqy\Tpl\Qyapp\Kefu\Images\logo.png

?????文件??????10166??2015-09-26?16:17??duoqy\dqy\Tpl\Qyapp\Kefu\Images\menu.png

?????文件?????????43??2015-09-26?16:17??duoqy\dqy\Tpl\Qyapp\Kefu\Images\spacer17ced3.gif

?????文件?????????43??2015-09-26?16:17??duoqy\dqy\Tpl\Qyapp\Kefu\Images\spacer17ced4.gif

?????文件??????15360??2015-09-26?16:17??duoqy\dqy\Tpl\Qyapp\Kefu\Images\Thumbs.db

?????文件??????14293??2015-09-28?14:59??duoqy\dqy\Tpl\Qyapp\Kefu\index.html

?????文件???????1850??2015-09-26?16:17??duoqy\dqy\Tpl\Qyapp\Kefu\Js\audio.js

?????文件?????113092??2015-09-26?16:17??duoqy\dqy\Tpl\Qyapp\Kefu\Js\jQuery.js

?????文件???????5454??2015-09-26?17:29??duoqy\dqy\Tpl\Qyapp\Kefu\Login.html

?????文件??????24030??2015-09-27?19:03??duoqy\dqy\Tpl\Qyapp\Kefu\main.html

?????文件??????28188??2015-09-26?16:17??duoqy\dqy\Tpl\Qyapp\Kefu\Swf\uploader.swf

?????文件??????17744??2015-10-19?16:00??duoqy\dqy\Tpl\Qyapp\Knowledge\addFiles.html

?????文件??????15763??2015-10-17?15:13??duoqy\dqy\Tpl\Qyapp\Knowledge\addFolder.html

?????文件???????5766??2015-09-28?09:58??duoqy\dqy\Tpl\Qyapp\Knowledge\addFolder.html1

?????文件???????9616??2015-09-28?09:58??duoqy\dqy\Tpl\Qyapp\Knowledge\back.html

?????文件???????2996??2015-09-28?09:58??duoqy\dqy\Tpl\Qyapp\Knowledge\backInfo.html

?????文件??????11235??2015-09-28?09:58??duoqy\dqy\Tpl\Qyapp\Knowledge\css\banji.css

?????文件???????3786??2015-09-28?09:58??duoqy\dqy\Tpl\Qyapp\Knowledge\css\basic.css

?????文件???????2224??2015-09-28?09:58??duoqy\dqy\Tpl\Qyapp\Knowledge\css\com_know.css

?????文件???????3962??2015-09-28?09:58??duoqy\dqy\Tpl\Qyapp\Knowledge\css\massge.css

?????文件???????1106??2015-09-28?09:58??duoqy\dqy\Tpl\Qyapp\Knowledge\css\news.css

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