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支撐英雄聯盟戰績網的那條巨蟒
- 1. 支撐英雄聯盟戰績網的那條巨蟒 Python behind loltw.net by toki
- 3. 寫過AlienBBS (OSX, Cocoa) Author of AlienBBS
- 4. 寫過抓漫畫的軟體 (C#) Author of TPhotoRipper
- 5. 寫過抓漫畫的Chrome Ext (JS) Author of 8comic link generator Chrome ext
- 6. 台達電子 - 雲端技術中心 Delta Electronic, CTBU
- 7. 只有壹年Python經驗 1 year Python experience only
- 8. 什麼是英雄聯盟? What is League of Legends?
- 9. Game Editor 魔獸三國 DotA Allstars 中文變種 鬥塔 魔獸信長 Riot Game
- 10. 5 players VS 5 players 目標是克服萬難打爆對面的基地!!!
- 12. 什麼是英雄聯盟戰績網? What can loltw.net do?
- 13. 不開遊戲也可查詢玩家的資料 Query player info even not in game
- 14. 顯示遊戲裡查不到的資料 Reveal what server hides from you.
- 15. 顯示官方網站沒有的排名 Reveal ranks not shown on official site
- 16. 查詢頂尖玩家的遊戲配置 Show top players' game settings
- 17. 以及我最愛的 - 統計 :-P & my favorite - statistics
- 18. 這樣子的網站會有人用嗎? How many people use it?
- 19. 玩家們用戰績網做什麼? How people use loltw.net?
- 20. 查詢隊友有多坑 :-P YOU ARE HERE Querying how troll teammates are :-P
- 21. 為了解你的隊友並且配合他們 為了學習高手的遊戲配置 For better team play For learning from top players
- 22. 戰績網怎麼拿到玩家資料的? How loltw.net get players' info?
- 23. 戰績網V1 - 使用者上傳 loltw.net V1 - user upload
- 24. 戰績網V2 - 偽裝成遊戲程式 loltw.net V2 - fake game client
- 25. 構成戰績網的OSS List of OSS help building loltw.net
- 26. 中秋節太無聊怎麼辦? bored in vacation?
- 27. 來看看遊戲的log檔裡有什麼 find something in game log
- 28. 有log parser了，再來呢? Ok, we got a log parser, then?
- 29. django? 那是啥? What's django?
- 30. 快速的MVC的網站開發環境 A fast MVC web framework
- 31. Model Model how to define data 資料如何定義 Controller Controller how to fetch/modify 資料如何取出/修改 data View View how to present data 資料如何呈現
- 32. 使用資料庫就像使用一般物件 class Author(models.Model): name = models.CharField(max_length=60) class Article(models.Model): title = models.CharField(max_length=60) body = models.TextField() created = models.DateTimeField(auto_now_add=True) author = models.ForeignKey('Author') = Article(title='測試文章' author = Author.objects.create(name='toki') article body='測試文章內容....', author = author) article .save() ORM - Object Relation Mapping
- 33. 快速而方便的URL dispatcher ^blog/$ => /blog/ ^blog/(?P<id>d+)/$ => /blog/1/ => /blog/2/ ^blog/(?P<author>w+)/$ =>/blog/author/ =>/blog/teeeeeemo/ Fast & convenience URL dispatcher
- 34. 簡易好用的樣板系統 <html> <body> {% for a in articles %} <h1>{{a.title}}</h1> {{a.body}} <div> <div style="text-align: right;"> </div> </div> Author: {{a.author}} </body> {% endfor %} </html> easy and good template system
- 35. 擴充你的樣板系統 SERVER_LOOKUP = { 'TW': '台灣', } 'NA': '北美', @register.filter @stringfilter def server_region(o): return SERVER_LOOKUP.get(o) ------ <div>{{'TW'|server_region}}</div> => <div>台灣</div> With extensible template filters / tags
- 36. 內建多語系處理，講英文嘛A通 built-in multi language support
- 37. 內建cache機制 from django.views.decorators.cache import cache_page @cache_page(60*60*24) def blah blah blah ... some_view_func(rq): built-in cache processor
- 38. 內建登入以及session處理 built-in login & session processor
- 39. 安裝簡單，架構清晰 文件齊全，學習容易 easy to install, clear architecture well documented, easy to learn
- 40. log一直改版怎麼辦? log format changes so often!
- 41. 來吃點mongo吧 Try mongoDB
- 42. mongo有什麼好吃的? Schema free No join JSON compatible Python friendly Horizontal scalability with replica Fast (& eat all your memory :-P) Why mongoDB?
- 43. 用JSON來記錄Blog文章 { "title": "這是blog title", "body": "blog文章，很長很長...", "create": "2012-6-10T10:00:00.000", "author": "toki" } How to describe a blog article in JSON?
- 44. 用Python dict來記錄Blog文章 { "title": "這是blog title", "body": "blog文章，很長很長...", "create": "2012-6-10T10:00:00.000", "author": "toki" } How to describe it in Python dictionary?
- 45. 如何存進mongodb (in python) from pymongo import Connection a = { "title": "這是blog title", "article": "blog文章，很長很長...", "body": "2012-6-10T10:00:00.000", "author": "toki" } Connection('localhost')['blog']['article'].save(a) connection database collection How to save into mongodb via python?
- 46. 如何搜尋blog文章 from pymongo import Connection all_article = Connection('localhost')['blog']['article']. find() all_article_title = Connection('localhost')['blog'] ['article'].find( {}, {title: 1}) article = Connection('localhost')['blog']['article'].find_one( {'author': 'toki'}) How to search?
- 47. 如果你突然想幫blog加上tag from pymongo import Connection Connection('localhost')['blog']['article'].update( { {'author': 'toki'}, {'$set': {'tags': ['a', 'b', 'c']}}, } ) Wanna add tags fields to blog data?
- 48. 難道mongoDB沒有缺點嗎? Schema free Everyone needs to know how schema looks like 每個人都得知道資料長什麼樣子 No join Waste of space 浪費空間 Fragment Scheduled defragment maintenance required 需要定時重整資料庫 Cons of mongoDB?
- 49. 還有該死的BFGL!!! Write will lock DB globally 寫入動作會鎖住整個資料庫 Solution 解法 Add more RAM 加RAM Multi DB instance 開多個資料庫 Wait newer version(2.2) 等新版(2.2以後) And DXXN BFGL(Big Fxxking Global Lock)!!!
- 50. RIOT 我的log呢? QQ RIOT, where is my log?
- 51. 是時候來點扭曲的蟒蛇了 Time for something TWISTED
- 52. LoL的通訊協定是....? ● Built by Flash (Adobe AIR) ● RTMPS ( Real Time Message Protocol) ● RTMPS = RTMP + SSL Encryption ● Wrote by Actionscript = Event Driven What's the protocol of League of Legends?
- 53. Twisted 是什麼? Officially: Twisted is an event-driven networking engine written in Python 官方說法: Twisted 是一個事件驅動的網路引擎 What is Twisted?
- 54. Twisted寫echo server要多久 from twisted.internet import protocol, reactor class Echo(protocol.Protocol): def dataReceived(self, data): self.transport.write(data) class EchoFactory(protocol.Factory): def buildProtocol(self, addr): return Echo() reactor.listenTCP(1234, EchoFactory()) reactor.run() How long takes writing echo server in Twisted?
- 55. 要改成SSL加密版本又要多久? from twisted.internet import protocol, reactor, ssl class Echo(protocol.Protocol): def dataReceived(self, data): self.transport.write(data) EchoFactory(protocol.Factory): class def buildProtocol(self, addr): return Echo() reactor.listenSSL(1234, EchoFactory(), ssl.DefaultOpenSSLContextFactory('key', 'crt')) reactor.run() How long takes to rewrite it to SSL version?
- 56. Protocol提供了哪些事件? ● connectionMade 連上時要做什麼 ● connectionLost 失去連線時要做什麼 ● dataReceived 收到資料時要做什麼 What events does Protocol class provide?
- 57. 其它寫bot會用到的函數 ● reactor.callLater() 讓你等下再call某個function ● reactor.callInThread() 讓你在另一個thread call某個function ● task.LoopingCall class 讓你每隔一定時間就去call某個function Other functions for writing a lol bot
- 58. 一段簡單的client程式 from twisted.internet import protocol, reactor, task class SimpleClient(protocol.Protocol): def dataReceived(self, data): print data def connectionMade(self): self.callLater(3.0, self.send_hello) def send_nop(self): self.transport.write('nop') def send_hello(self): self.transport.write('hello') l = task.LoopingCall(self.send_nop) l.start(1.0) Simple client code
- 59. 一段簡單的client程式(續) class SimpleClientFactory(protocol.ClientFactory): def buildProtocol(self, addr): return SimpleClient() reactor.connectTCP('localhost', 7777, SimpleClientFactory()) # for SSL support, call below line instead # reactor.connectSSL('localhost', 7777, SimpleClientFactory(), ssl.ClientContextFactory()) reactor.run() Simple client code (continued)
- 60. 其它各種幫助戰績網的資源 Other resources help building loltw.net
- 61. 懶得寫網站的最新消息頁面? Too lazy for site news pages?
- 62. 使用者懶的上傳該怎麼辦 How to help lazy users upload their logs?
- 63. 使用者亂傳假的log該怎麼辦 How to deal with fake log?
- 64. 做一個漂亮的HTML按鈕要多久 =? With <a href="" class="btn btn-primary"> Primary action</a> How long takes for a pretty html button?
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- 66. 感謝各位 :-) 問與答時間&工商服務 Q&A & Hiring Info Thx for your listening :-)
- 67. 台達電子雲端研發中心徵人中 熱愛寫程式 Love coding 熱愛OSS Love OSS Familiar with U*ix system is a plus 加分項目 熟U*ix系統 Familiar Familiar with with Python is a plus C/C++ is a plus Familiar with Virtualization is a plus 熟Python Familiar with Web Application is a plus 熟C/C++ 熟Virtualization 熟Web Application 請寄履歷至: YVONNE.WJ.CHEN@delta.com.tw We're hiring (Delta Electronic CTBU)