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PyCon2014China-Zhuhai-meta programming
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Zoom.Quiet
November 17, 2014
Technology
1
120
PyCon2014China-Zhuhai-meta programming
141115 in Zhuhai
http://zoomq.qiniudn.com/CPyUG/PyCon2014China/141115zh-am1-Wuvist.MP3
Zoom.Quiet
November 17, 2014
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Transcript
欽1:㹊梡(P⯋綘玐 线⠚!䋞ㅷ猰䪮
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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⠑⠶ •
[email protected]
⯋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
⯋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
$㸪 #define list_for_each(pos, head) \ for (pos = (head)->next; pos
!= (head); pos = pos->next)
ˊ雽䒭⠚ Go✽翫緸傞➿涸C♴♧⚡C
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
溏溏䖎⸖⸂涸gopher 㥵⡦欽py勻㹊梡go涸岌㘗
None
˖ StringSet♸IntSet➿瀦䖎碫⡃➑碫㘗♶ず ˖ 岌㘗涸Ⱙ㘗⢪欽㖞兞
None
None
皍⽀ծ磦凐ծ剣佪
荈⸓欰䧭 ˖ MakeFile ˖ 港䱽俒⟝⥝佖HJUIVCDPNHPSBLIBSHPTI XBUDIEPH
ⱄ勻溏溏ORM
䧮⟌欽thrift⡲㼆韌 㹁⛐涸DSL
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None
None
ず♧㼆韌⯋⥌䜂 ˖ 㟞ⴵ佖叅 ˖ Ⰼ俒䵂程 ˖ た〵勉ꣳ • RPC
㼆韌⠛鷻ծ餻⧩ծ儑爙 剣㣐ꆀ湱⡃涸➿瀦
None
None
None
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˖ ♳鶣➿瀦鿪呏䰘㼆韌⯋⥌䜂欰䧭ⴀ勻 ˖ 欰䧭涸➿瀦♶⠔ꝡ
㥵⡦㹊梡
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
➿瀦欰䧭垷匣 • www.cheetahtemplate.org
None
None
None
None
None
None
None
None
None
YAML⛲僽㥩⚎銯_
None
None
None
˖ 㹊梡♸ORM碫⡃〫僽䪾DSL➢thrift䰃䧭YAML ˖ YAML ˖ 邍鴪腊⸂刿䔂 ˖ 宠➃プ㥩
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
None
None
None
None
㼓鄳➿瀦 鿪♶䎾霪➃聘ⱗ
None
䨾⟄䧮⟌고湡剣♰♰遤➿瀦
˖ ♳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
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
None
None
˖ 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
⯋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
➿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
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♳
–Ken Thompson “When in doubt, use brute force.”
Q & A
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/ ˖
HPHFOFSBUF ˖ EPDTHPPHMFDPNEPDVNFOUE7-6GK4"%%PP%.IF @,&HQ5&N7VW23V/."&OKH