PyCon2014China-Zhuhai-meta programming

Transcript

1. 欽1:㹊梡(P⯋綘玐 线⠚
   !
   䋞ㅷ猰䪮

2. None

3. Ⱒ✵䧮 ˖ 线⠚⾲䌢끸倝⸈㗗梡㾀帿㖕
   ˖ ♶倗䫔艗䎃涸Ⰼ畮玐䎸プ
   • .net -> python ->

   go ˖ ⱄ妃㔐㕂⴯⚌錟⠑⠶
   • wengwei@xipintech.com

4. ⯋綘玐 ˖ 䭷厤碫雦皾劼玐䎸涸綘ⱗ鵯碫雦皾劼玐䎸綘ⱗ䧴罏 乼紷Ⱖ㸐玐䎸䧴罏荈魧⡲⚹㸐⟌涸侨䰘
   ˖ ♸䩛䊨綘ⱗⰌ鿈➿瀦湱嫱玐䎸プ〳⟄蜦䖤刿넞涸䊨 ⡲佪桧

5. ⯋綘玐Ⱖ㹊偽㢅♶㖈 ˖ 剒䌢錛涸⯋綘玐䊨Ⱘ僽綘霖㐼㸐〳⟄㼜玐䎸プ⢪欽 넞紩露鎊綘ⱗ涸湱㼆瀊㼭涸玐䎸鲮䰃⚹瘝⟟涸宨綘露 鎊䧴罏劼㐼露鎊玐䎸
   ˖ Ⱖ㸐⯋綘玐禹絡ⴭ⯈雽⟄綘玐倰䒭乼紷♧猫露鎊կ㸪 禹絡⽰僽鵯呋♧猫皍⽀涸禹絡

6. $㸪 #define list_for_each(pos, head) \ for (pos = (head)->next; pos

   != (head); pos = pos->next)

7. ˊ
   雽䒭⠚ Go✽翫緸傞➿涸C♴♧⚡C
   

8. Go⯋綘玐 ˖ 加剣㸪
   ˖ 加剣岌㘗
   ˖ ⿿㼘䖎ꦼ欽
   ˖ 
   gopher
   鵯Ⳝ䎃䖎⸖⸂鍒Ɀ✫雽㢴ⵆ涸露鎊⚥♶ 㶸㖈涸꡼곿˘˘
   
   !饆⹄嵞

9. 溏溏䖎⸖⸂涸gopher
 㥵⡦欽py勻㹊梡go涸岌㘗

10. None

11. ˖ StringSet♸IntSet➿瀦䖎碫⡃➑碫㘗♶ず
    ˖ 岌㘗涸Ⱙ㘗⢪欽㖞兞

12. None
13. None

14. 皍⽀ծ磦凐ծ剣佪

15. 荈⸓欰䧭 ˖ MakeFile
    ˖ 港䱽俒⟝⥝佖HJUIVCDPNHPSBLIBSHPTI XBUDIEPH

16. ⱄ勻溏溏ORM

17. 䧮⟌欽thrift⡲㼆韌 㹁⛐涸DSL

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21. ず♧㼆韌⯋⥌䜂 ˖ 㟞ⴵ佖叅
    ˖ Ⰼ俒䵂程
    ˖ た〵勉ꣳ
    • RPC

22. 㼆韌⠛鷻ծ餻⧩ծ儑爙 剣㣐ꆀ湱⡃涸➿瀦

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27. ˖ ♳鶣➿瀦鿪呏䰘㼆韌⯋⥌䜂欰䧭ⴀ勻
    ˖ 欰䧭涸➿瀦♶⠔ꝡ

28. 㥵⡦㹊梡

29. 鍒區㼆韌 • ptsd: github.com/wickman/ptsd • thrift lexer/parser using ply •

    ply: www.dabeaz.com/ply/ • An implementation of lex and yacc parsing tools for Python

30. ➿瀦欰䧭垷匣 • www.cheetahtemplate.org

31. None
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40. YAML⛲僽㥩⚎銯_

41. None
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44. ˖ 㹊梡♸ORM碫⡃〫僽䪾DSL➢thrift䰃䧭YAML
    ˖ YAML
    ˖ 邍鴪腊⸂刿䔂
    ˖ ꨽宠➃プ⿼㥩

45. 㢪鿈䱹〡 ˖ ꨽銳㢴畮㹊梡
    • web • mobile web • mobile

    client ˖ ぐ畮⚌⸉♧荝⡎靈欽⚌⸉〳腊꨽銳♶ず㼓鄳
46. None
47. None
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49. None

50. 㼓鄳➿瀦
    鿪♶䎾霪➃聘ⱗ

51. None

52. 䨾⟄䧮⟌고湡剣♰♰遤➿瀦

53. ˖ ♳鶣➑➑僽怵爙➿瀦
    ˖ 㹊꣢➿瀦銳㢕勇䖤㢴㢴
    ˖ ORM剣䒓彂github.com/sipin/xuanwu
    ˖ ➑⣘⿬罌ծⴗ⺡⢪欽
    ˖ 偽俒咓
    

    ˖ ♶絶䫡
    ˖ ⰻ鿈䊺䲀⦝ꅾ勻

54. 㥵⡦㹁ⵖ ˖ 欰䧭♧妃た꬗ꥥ⤑佖
    ˖ ꥥ垷匣⥝佖⿿㢕欰䧭
    ˖ 䲿⣘㹁ⵖ䱹〡倰岁㔐靈
    ˖ 銻渷暵㹁倰岁

55. None
56. None

57. ˖ 岌㘗ծORMծ崨玐ծ䱹〡㼓鄳瘝瘝㖞兞㖲〳罌贊⯋綘玐
    ˖ 儑搬⛲♶〫♳鶣㖞兞
    ˖ 䪾⯋綘玐錠⚹♧猫ꅾ匬䩛媯
    ˖ ⯓䩛⸓ⱗ♧麑➿瀦
    ˖ 䪾⿿㢕ⴀ梡ծ碫⡃涸➿瀦䬄韌⚹垷匣
    

    ˖ 鷥䭊DSL
    ˖ Python皍⽀ծ䎽餴彂⚪㺢〳⟄䖎㺂僒涸낉霆⯋綘玐涸䟝岁

58. ⯋綘玐涸ꦼ挿 ˖ 鷥䭊ざ鷓涸%4-
    ˖ 䲿⣘넞㽻妃䬄韌腊⸂
    ˖ 絶䭯絈蒜㹁ⵖ腊⸂
    • www.joelonsoftware.com/articles/ LeakyAbstractions.html

59. ➿瀦欰䧭 ˖ 鍒區DSL靈欽垷匣欰䧭➿瀦涸垷䒭䖎㺂僒㹊梡
    ˖ 欰䧭涸鿪僽皍⽀➿瀦㺂僒debug
    ˖ 綘霖㐼唬叅➿瀦

60. ⿿㼘欨荛LISP侅 ˖ 偽곢ꅾ㢕綘霖
    ˖ 鵘遤傞唬叅ꝡ霴
    ˖ 㹊梡刿剣ꦼ䏞
    ˖ ➿瀦刿⸈礵䊫ծ⠏꧈
    ˖

    儑搬넞㣐♳

61. –Ken Thompson “When in doubt, use brute force.”

62. Q & A

63. Ⱖ㹊 ˖ Python♶䘯
    ˖ 嫱倰霹⡤낉鵂git涸匧鸟㽠䖎ꦼ䗽hg涸♶䘯
    ˖ ⯋綘玐剒㥩鵮僽鍒區露鎊劥魧
    • golang.org/pkg/go/parser/ ˖

    HP
    HFOFSBUF
    ˖ EPDTHPPHMFDPNEPDVNFOUE7-6GK4"%%PP%.IF @,&HQ5&N7VW23V/."&OKH