Python论坛的帖子：

192.3.55.6:8000 · Thu Apr 7 09:45:59 HKT 2005

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On Apr 7, 2005 5:34 AM, wangchao <iwillipo at gmail.com> wrote:
> =20
> Hi Zoom,=20
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=D2=B5=C4MSN=C3=FB=D7=D6=CA=C7Chao=20
> =CE=D2=BE=CD=CA=C7=C7=B0=BC=B8=CC=EC=D4=DAPython-Cn=B5=C3maillist=C0=EF=
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> =CE=D2=D4=DA=B0=D1=B5=B1=CA=B1Pythoncn=C9=CF=B5=C4=B6=AB=CE=F7copy&paste;=
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>  =20
> P2P=B9=B2=CF=ED=D2=F4=C0=D6=BF=CD=BB=A7=B6=CB=CF=EE=C4=BF
>=20
> =BF=CD=BB=A7=B6=CB=B9=A6=C4=DC=D2=AA=C7=F3=A3=BA
> =D4=DA=D2=D1=BE=AD=CC=E1=B9=A9=B5=C4Address Server=C9=CF=D7=A2=B2=E1=D3=
=EB=D7=A2=CF=FA
> =CD=A8=B9=FDAddress Server=B2=E9=D1=AF=C6=E4=CB=FB=D4=DA=CF=DF=B5=C4Peers
> =B7=A2=CB=CD=B2=E9=D1=AF=C7=EB=C7=F3=B5=BD=C6=E4=CB=FBPeers
> =CF=EC=D3=A6=C6=E4=CB=FBPeers=B5=C3=B2=E9=D1=AF=C7=EB=C7=F3
> =B4=D3=C6=E4=CB=FBPeers=C9=CF=C7=EB=C7=F3=CE=C4=BC=FE=CF=C2=D4=D8
> =CF=EC=D3=A6=C6=E4=CB=FBPeers=B5=C3=CE=C4=BC=FE=CF=C2=D4=D8=C7=EB=C7=F3
>=20
> =D3=C3=E4=AF=C0=C0=C6=F7=D7=F7=CE=AA=D3=EB=D3=C3=BB=A7=BD=BB=C1=F7=B5=C4=
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> =C4=BF=C7=B0Address Server=D2=D1=BE=AD=CC=E1=B9=A9=C1=CB
>=20
> =CD=A8=B9=FD=D5=E2=D1=F9=B5=C4URI=BF=C9=D2=D4=CA=B5=CF=D6=D4=DAAddress Se=
rver=C9=CF=D7=A2=B2=E1
>=20
> http://Server/peerdb.cgi?requestType=3Dregister&name;=3Dusername&address;=
=3Dip=B5=D8=D6=B7:=B6=CB=BF=DA=BA=C5
>=20
> =D7=A2=B2=E1=B3=C9=B9=A6=BA=F3=A3=AC=B5=C3=B5=BD=C8=E7=CF=C2XML=BB=D8=B8=
=B4
> 
>  RegisterReply
>  true
>  Tue 8 Mar, 2005 11:01:02 
>  
>=20
> =CD=A8=B9=FDhttp://Server/~brooks/682/peerdb.cgi?requestType=3Dunregister=
&name;=3D
> =BF=C9=D2=D4=D4=DAAddress Server=C0=EF=D7=A2=CF=FA
>=20
> Address Server=BB=B9=D6=A7=B3=D6=D5=E2=D1=F9=B5=C4=B2=D9=D7=F7
> http://server/peerdb.cgi?requestType=3DfindAllPeers
> =BF=C9=D2=D4=B2=E9=D1=AF=B5=BD=CB=F9=D3=D0=D4=DA=CF=DF=B5=C4Peers
>=20
> =B5=C3=B5=BD=C8=E7=CF=C2XML=BB=D8=B8=B4
> 
>  UserListReply
>  true
>  Tue 8 Mar, 2005 11:01:02
> 
>  
>     liudehua 
>     192.3.55.6:8000 
>  
>  
>     zhangxueyou 
>     133.66.197.2:8000 
>  
> 
> guofucheng
>  132.6.55.1:8000
> 
> 
> 
>=20
> =B5=B1=D3=C3=BB=A7=CF=EB=B2=E9=D1=AF=B8=E8=C7=FA=B5=C4=CA=B1=BA=F2
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eers
> http://otherpeers:port?requestType=3Dsearch&field;=3Dartist&keyword;=3Dzhou=
jielun
>=20
> Peers=BD=D3=B5=BD=D5=E2=D1=F9=B5=C4=C7=EB=C7=F3=BA=F3=A3=AC=D2=AA=B4=D3=
=D7=D4=BC=BA=B5=C4XML=CA=FD=BE=DD=BF=E2=C0=EF=B2=E9=D1=AF=CA=C7=B7=F1=D3=D0=
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=E6=B8=F1=CA=BD=B5=C4XML=BB=D8=B8=B4=A1=A3
>=20
> =B4=CBXML=CA=FD=BE=DD=BF=E2=B2=BB=D2=AA=C7=F3=C4=DC=CD=A8=B9=FDClient=B8=
=FC=D0=C2=A3=AC=D2=B2=BE=CD=CA=C7=CB=B5=D4=DA=D2=BB=BF=AA=CA=BC=BD=A8=BA=C3=
=D2=BB=B8=F6=D5=E2=D1=F9=B5=C4=CA=FD=BE=DD=BF=E2=A3=AC=B7=C5=C9=CF=BC=B8=B8=
=F6=B8=E8=BE=CDOK=C1=CB=A3=AC=B8=F1=CA=BD=D2=B2=B2=BB=D3=C3=B8=FA=CF=C2=C3=
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=BB=D2=BB=CF=C2=BE=CDOK
>=20
> 
>  SearchReply
>  true
>  Tue 8 Mar, 2005 11:01:02
>   
>    
>     
>      Police Truck
>      Dead Kennedys
>      Give Me Convenience Or Give Me Death
>       Punk 
>      http://111.111.111.111:8080/123.mp3>
>      16433776
>      Mon 7 Mar, 2005 11:01:02
>      dfsdfsdfsfdfsddfs
>     
>     ...
>    
>  
> 
>=20
> =B7=A2=B3=F6=B2=E9=D1=AF=C7=EB=C7=F3=B5=C4Peers=B0=D1=B5=C3=B5=BD=B5=C4XM=
L=B7=AD=D2=EB=B3=F6=C0=B4=B8=F8=D3=C3=BB=A7=D4=C4=B6=C1=A3=AC=D3=C3=BB=A7=
=D1=A1=D4=F1=CF=C2=D4=D8=C4=C4=CA=D7=B8=E8=C7=FA
>=20
> =D3=C3=BB=A7=BE=F6=B6=A8=CF=C2=D4=D8=BA=F3=A3=ACPeer=B8=F9=BE=DD=C9=CF=C3=
=E6XML=C0=EF=B5=C4URL=A3=AC=B7=A2=B3=F6HTTP GET=C7=EB=C7=F3=A1=A3=D4=B6=B7=
=BDPeer=CF=EC=D3=A6=B4=CB=C7=EB=C7=F3=A3=AC=B0=D1=CE=C4=BC=FE=B4=AB=B9=FD=
=C8=A5=A1=A3
>=20
> =BB=F9=B1=BE=B5=C4=B9=A6=C4=DC=D2=AA=C7=F3=BE=CD=CA=C7=D5=E2=D1=F9=C1=CB=
=A1=A3
> =D2=F2=CE=AA=D6=BB=CA=C7=B8=F6=BD=CC=D1=A7=C4=BF=B5=C4=B5=C4=CF=EE=C4=BF=
=A3=AC=CB=F9=D2=D4=D5=E2=C0=EF=B2=BB=BF=BC=C2=C7Peers=BA=DC=B6=E0=B5=C4=C7=
=E9=BF=F6=A3=AC=D4=DA=D5=E2=D2=BB=BC=D9=C9=E8=CF=C2=A3=AC=B7=A2=CB=CD=B2=E9=
=D1=AF=C7=EB=C7=F3=B5=BD=C3=BF=B8=F6Peers=CA=C7=BF=C9=D0=D0=B5=C4
>=20
> =C1=ED=CD=E2=A3=AC=D5=E2=C0=EF=B2=BB=BF=BC=C2=C7=D2=F2=CE=AA=B7=C0=BB=F0=
=C7=BD=A3=AC=C4=DA=CD=F8=CE=DE=D3=B3=C9=E4=B5=C8=D4=AD=D2=F2=D4=EC=B3=C9=B5=
=C4http=C7=EB=C7=F3=CE=DE=B7=A8=B5=BD=B4=EF=D4=B6=B7=BDPeers=B5=C4=C7=E9=BF=
=F6=A1=A3
>=20
> =B0=B4=D5=D5=D5=E2=D1=F9=D2=BB=B8=F6=C4=A3=D0=CD=A3=AC=CE=D2=B5=C4Client=
=C6=F4=B6=AF=B5=C4=CD=AC=CA=B1=A3=AC=D2=B2=D2=AA=D4=DA=BA=F3=CC=A8=C6=F4=B6=
=AF=D2=BB=B8=F6Web service=A3=AC=D5=E2=B8=F6Service=B2=BB=B5=AB=D2=AA=C4=DC=
=CF=EC=D3=A6=C6=D5=CD=A8=B5=C4HTTP
> GET=C7=EB=C7=F3=A3=AC=BB=B9=B5=C3=C4=DC=CF=EC=D3=A6REST=C7=EB=C7=F3=A3=AC=
=D4=DA=CD=F8=C9=CF=B2=E9=C1=CB=BA=DC=BE=C3=A3=AC=B6=BC=D5=D2=B2=BB=B5=BD=CF=
=EC=D3=A6REST=B5=C3=D3=D0=B9=D8=B6=AB=B6=AB=A1=A3Python=D3=D0=B9=D8Web
> Service=B5=C3=B6=AB=B6=AB(BaseHTTPServer,CGIHTTPServer,CGIRequestHandler)=
=CB=C6=BA=F5=D2=B2=C3=BB=D3=D0=CE=C4=B5=B5=D6=A7=B3=D6
>=20
> Service=C8=E7=B9=FB=B8=E3=B3=F6=C0=B4=A3=AC=C6=F4=B6=AF=C1=CB=D3=C0=D4=B6=
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=CF=D6=C6=F4=B6=AF=B0=A2=A3=BF=D3=C3=D2=BB=B8=F6Python=D0=B4=B5=C4cgi=BD=C5=
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=C7=BB=B9=B5=C3=C4=DC=D6=A7=B3=D6CGI=C7=EB=C7=F3=A3=AC=CE=D2=D7=DC=B2=BB=C4=
=DC=B0=D1CGI=B7=C5=B5=BD=D4=B6=B7=BD=B5=C4Server=C0=EF=A3=AC=CD=A8=B9=FD=B4=
=F2=BF=AA=C4=C7=B8=F6Cgi=CA=B5=CF=D6=B0=C9=A1=A3
>=20
> =D5=E2=D0=A9=B6=BC=CA=C7=C4=BF=C7=B0=B1=C8=BD=CF=C0=A7=BB=F3=B5=C4=CE=CA=
=CC=E2
>=20
> =CF=A3=CD=FB=B5=C3=B5=BD=B8=F7=CE=BB=C5=F3=D3=D1=C3=C7=B5=C4=B0=EF=D6=FA=
=A3=AC=BD=A8=D2=E9=A3=AC=B7=BD=B0=B8=BB=F2=D5=DF=D3=D0=B9=D8=BC=BC=CA=F5=CE=
=C4=B5=B5
>=20
> =D0=BB=D0=BB=A3=A1
>=20
> =CD=F5=B3=AC
> =20
> =20
>  =20
>  =20
> =D2=F2=CE=AA=CE=D2=C3=BB=D4=F5=C3=B4=D7=F6=B9=FD=BF=AA=B7=A2=A3=AC=D2=D4=
=C7=B0=D7=F6=B9=FD=D7=EE=B4=F3=B5=C4=D2=BB=B8=F6=CF=EE=C4=BF=BE=CD=CA=C7=D3=
=C3JSP=D0=B4=C1=CB=B8=F6=B9=A6=C4=DC=BC=B0=C6=E4=C8=F5=D6=C7=B5=C4Webmail=
=CF=B5=CD=B3=A1=A3Python=B5=C3=BE=AD=D1=E9=B8=FC=C9=D9=A3=AC=CB=F9=D2=D4=D5=
=E2=B8=F6=CF=EE=C4=BF=B6=D4=CE=D2=C0=B4=CB=B5=C4=D1=B6=C8=BA=DC=B4=F3=A1=A3
>  =20
> =BF=CF=B6=A8=CA=C7=D2=AA=D0=B4=D2=BB=B8=F6Web Service=C1=CB=A3=AC=D5=E2=
=B8=F6Web service=D6=BB=D0=E8=D2=AA=CF=EC=D3=A6HTTP
> GET=C7=EB=C7=F3=A3=AC=D2=AA=C4=DC=B9=BB=B8=F8=D4=B6=B7=BD=D3=C3=BB=A7=B4=
=AB=CE=C4=BC=FE=A3=AC=BB=B9=D2=AA=C4=DC=CF=EC=D3=A6=D4=B6=B7=BD=B5=C4REST=
=C7=EB=C7=F3=B2=A2=B7=B5=BB=D8XML=A1=A3=D2=F2=CE=AAREST=C7=EB=C7=F3=D6=BB=
=D3=D0=CC=D8=B6=A8=B5=C4=BC=B8=D6=D6=A3=AC=CE=D2=CF=EB=D6=BB=D2=AA=B8=F8=B4=
=FA=C2=EB=C0=EF=D4=F6=BC=D3=D2=BB=D0=A9=CC=F5=BC=FE=A3=AC=B5=B1=BD=D3=CA=D5=
=B5=BD=C7=EB=C7=F3=B5=C4=CA=B1=BA=F2=A3=AC=B8=F9=BE=DD=C7=EB=C7=F3=B2=CE=CA=
=FD=D1=A1=D4=F1=CC=D8=B6=A8=B5=C4=B4=A6=C0=ED=B7=BD=B7=A8=BE=CD=BF=C9=D2=D4=
=C1=CB=B0=C9=A1=A3Web
> Service=CB=E4=C8=BB=CF=D6=D4=DA=BB=B9=D0=B4=B2=BB=B3=F6=C0=B4=A3=AC=B5=AB=
=CA=C7=D6=C1=C9=D9=CB=BC=C2=B7=CA=C7=C7=E5=CE=FA=B5=C4=A1=A3=20
>  =20
> =B5=AB=D4=DA=C1=ED=CD=E2=D2=BB=B0=EB=B5=C4=BC=DC=B9=B9=C9=CF=A3=AC=CE=D2=
=D2=BB=D6=B1=CF=EB=B2=BB=C3=F7=B0=D7=A3=AC=B6=F8=C7=D2=B7=C7=B3=A3=B5=C4=C0=
=A7=BB=F3=A1=A3=D2=F2=CE=AA=D5=E2=B8=F6Project=CA=C7=C3=BB=D3=D0GUI=B5=C3=
=A3=A8=CA=C2=CA=B5=C9=CF=A3=AC=CE=D2=D2=B2=B2=BB=BB=E1=D0=B4GUI)=A3=AC=D2=
=AA=D3=C3=E4=AF=C0=C0=C6=F7=B8=FA=D3=C3=BB=A7=BD=BB=BB=A5=A3=AC=CE=D2=BE=CD=
=CF=EB=B2=BB=CD=A8=B8=FA=D3=C3=BB=A7=BD=BB=BB=A5=B5=C4=B6=AB=CE=F7=D2=AA=D4=
=F5=C3=B4=CA=B5=CF=D6=A1=A3=CB=FC=D2=AA=C4=DC=D4=DAAddress
> Server=C9=CF=D7=A2=B2=E1=BA=CD=B7=B4=D7=A2=B2=E1=A3=AC=D2=AA=C4=DC=B2=E9=
=D1=AFAddress
> Server=C9=CF=CB=F9=D3=D0=D4=DA=CF=DFPeers=A3=AC=BB=B9=D2=AA=C4=DC=B8=F9=
=BE=DDPeers=C1=D0=B1=ED=A3=AC=CF=F2=CB=F9=D3=D0Peers=B7=A2=CB=CD=B2=E9=D1=
=AF=C7=EB=C7=F3=A3=AC=BB=B9=D2=AA=C4=DC=B8=F9=BE=DD=B2=E9=D1=AF=B5=BD=B5=C4=
=B6=AB=CE=F7=A3=AC=C0=B4=CF=C2=D4=D8=A1=A3=B5=AB=D5=E2=D0=A9=A3=AC=C4=DC=D7=
=F6=B5=BD=E4=AF=C0=C0=C6=F7=C0=EF=C3=B4=A3=BF
>  =20
> =CE=D2=BF=C9=D2=D4=B0=D1=D7=A2=B2=E1=B7=B4=D7=A2=B2=E1=BA=CD=B2=E9=D1=AFP=
eers=BC=AF=B3=C9=B5=BDWeb Service=C0=EF=A3=AC=C6=F4=B6=AF=B5=C4=CA=B1=BA=F2=
=CD=EA=B3=C9=D7=A2=B2=E1=BA=CD=B2=E9=D1=AF=A1=A3=20
> =B5=AB=CA=C7=B2=E9=D1=AF=BA=CD=CF=C2=D4=D8=BF=CF=B6=A8=CA=C7=CE=D2=B5=C4C=
lient=B8=FA=D3=C3=BB=A7=C0=B4=BD=BB=BB=A5=C1=CB=A3=AC=D5=E2=B8=F6Client=D4=
=F5=C3=B4=CA=B5=CF=D6=A3=BF=D3=C3=BF=D8=D6=C6=CC=A8=B2=BB=B4=F3=CF=D6=CA=B5=
=A3=AC=D3=C3Python=D0=B4Cgi=BD=C5=B1=BE=A3=BF=D5=E2=B8=F6=BD=C5=B1=BE=B7=C5=
=C4=C4=A3=BF=B7=C5=B5=BD=CE=D2=B5=C4=B1=BE=B5=D8=A3=BF=CE=D2=B5=C4Web
> service=B2=BB=D6=A7=B3=D6=B0=A2=A1=A3=B7=C5=B5=BD=D6=A7=B3=D6Cgi=B5=C3=D4=
=B6=B3=CC=B7=FE=CE=F1=C6=F7=A3=BF=BA=C3=CF=F1=B8=FC=B2=BB=D0=D0=A1=A3=20
>  =20
>  =20
> =CB=F9=D2=D4=CF=D6=D4=DA=BA=DC=D3=F4=C3=C6=A1=A3=CF=A3=CD=FB=C4=E3=C4=DC=
=B0=EF=D6=FA=CE=D2=BD=E2=B4=F0=D5=E2=D0=A9=CE=CA=CC=E2=A3=AC=D0=BB=D0=BB=A1=
=A3=20
>  =20
>  =20
> =CD=F5=B3=AC=20
>  =20
> PS:=D5=E2=CF=C2=C3=E6=D3=D0=BC=B8=B6=CE=B4=FA=C2=EB=B7=D6=B1=F0=CA=C7Addr=
ess server=C0=B4=CF=EC=D3=A6=D7=A2=B2=E1=BA=CD=B2=E9=D1=AF=C7=EB=C7=F3=B5=
=C4=BD=C5=B1=BE=20
> =D2=BB=B8=F6=BD=C5=B1=BE=A3=AC=C4=A3=C4=E2peers=C0=B4=CF=EC=D3=A6=B2=E9=
=D1=AF=B8=E8=C7=FA=B5=C4=C7=EB=C7=F3=B2=A2=B8=F8=B3=F6XML=A1=A3=20
> =BB=B9=D3=D0=D2=BB=B8=F6Web Service=B5=C4=CA=BE=C0=FD=B4=FA=C2=EB=20
>  =20
>  =20
> Peerdb.cgi=20
>  =20
> #!/usr/bin/python=20
>  =20
> ### a simple cgi script to manage registration of peers.
> ### requestTypes: register, findAllPeers, unregister=20
>  =20
> from xml.dom.ext             import PrettyPrint
> from xml.dom import minidom
> import sys
> import sys, cgi, time
> import cgitb; cgitb.enable()=20
>  =20
> =20
> def registerUser(form) :
>     username =3D form['name'].value
>     useraddr =3D form['address'].value=20
>  =20
>     users =3D minidom.parse('./userdb.xml')=20
>  =20
>     usernode =3D users.createElement('user')
>     namenode =3D users.createElement('name')
>     addrnode =3D users.createElement('address')
>     namenode.appendChild(users.createTextNode(username))
>     addrnode.appendChild(users.createTextNode(useraddr))
>     usernode.appendChild(namenode)
>     usernode.appendChild(addrnode)=20
>  =20
>     toplevel =3D users.getElementsByTagName('users')[0]
>     toplevel.appendChild(usernode)=20
>  =20
>     f =3D file('./userdb.xml','w')
>     f.write(users.toxml())
>     f.close()=20
>  =20
>     str =3D
> "\nRegisterReply\ntrue\n"
>     str +=3D "" + time.strftime("%a, %d %b %Y %H:%M:%S",
> time.localtime())
>     str =3D str + "\n\n"=20
>  =20
>     print str=20
>  =20
> def findAllPeers(form) :=20
>  =20
>     users =3D minidom.parse('./userdb.xml')
>     replyNode =3D users.createElement('reply')
>     typeNode =3D users.createElement('type')
>     typeNode.appendChild(users.createTextNode('UserListReply'))
>     statusNode =3D users.createElement('success')
>     statusNode.appendChild(users.createTextNode('true'))
>     dateNode =3D users.createElement('dateTime')
>     dateNode.appendChild(users.createTextNode(time.strftime("%a, %d %b %Y
> %H:%M:%S", time.localtime())))
>     replyNode.appendChild(typeNode)
>     replyNode.appendChild(statusNode)
>     replyNode.appendChild(dateNode)=20
>  =20
>     oldroot =3D users.getElementsByTagName('users')[0]
>     replyNode.appendChild(oldroot)=20
>  =20
>     print replyNode.toxml()=20
>  =20
>=20
> def unregisterUser(form) :=20
>  =20
>=20
>     username =3D form['name'].value
>     users =3D minidom.parse('./userdb.xml')
>     u =3D users.getElementsByTagName('name')
>     for item in u :
>         if item.firstChild.data.strip() =3D=3D username.strip() :
>             #print item.firstChild.data.strip()
>             toplevel =3D users.getElementsByTagName('users')[0]
>             toplevel.removeChild(item.parentNode)=20
>  =20
>     f =3D file('./userdb.xml','w')
>     f.write(users.toxml())
>     f.close()=20
>  =20
>     str =3D
> "\nRegisterReply\ntrue\n"
>     str +=3D "" + time.strftime("%a, %d %b %Y %H:%M:%S",
> time.localtime())
>     str =3D str + "\n\n"=20
>  =20
>     print str=20
>  =20
>=20
> =20
> form=3Dcgi.FieldStorage()
> =20
> print 'Content type: text/xml'
> print=20
>  =20
>=20
> request =3D form["requestType"].value=20
>  =20
> if request =3D=3D 'register' :
>     registerUser(form);
> elif request =3D=3D 'findAllPeers' :
>     findAllPeers(form)=20
> elif request =3D=3D 'unregister' :
>     unregisterUser(form)=20
>  =20
>  =20
>  =20
> testSearch.cgi=20
>=20
>        =20
> #!/usr/bin/python=20
>  =20
> ### a simple cgi script to allow testing of search queries=20
>  =20
>=20
> from xml.dom.ext             import PrettyPrint
> from xml.dom import minidom
> import sys
> import sys, cgi, time
> import cgitb; cgitb.enable()=20
>  =20
> form=3Dcgi.FieldStorage()=20
>  =20
> field=3Dform['field'].value
> keyword=3Dform['keyword'].value=20
>  =20
> songs =3D minidom.parse('./sampleDB/music.xml')
> nodes =3D songs.getElementsByTagName(field)=20
>  =20
> print 'Content type: text/xml'
> print=20
>  =20
>=20
> results =3D []
> for node in nodes :
>  if node.firstChild.data =3D=3D keyword:
>   results.append(node.parentNode)=20
>  =20
>=20
> replyNode =3D songs.createElement('reply')
> typeNode =3D songs.createElement('type')
> typeNode.appendChild(songs.createTextNode('UserListReply'))
> statusNode =3D songs.createElement('success')
> statusNode.appendChild(songs.createTextNode('true'))
> dateNode =3D songs.createElement('dateTime')
> dateNode.appendChild(songs.createTextNode(time.strftime("%a, %d %b %Y
> %H:%M:%S", time.localtime())))=20
>  =20
> songNode =3D songs.createElement('songs')
> for item in results :
>  songNode.appendChild(item)
> replyNode.appendChild(typeNode)
> replyNode.appendChild(statusNode)
> replyNode.appendChild(dateNode)
> replyNode.appendChild(songNode)=20
>  =20
> print replyNode.toxml()=20
>  =20
>  =20
>  =20
> =D7=EE=BA=F3=D2=BB=B6=CE=CA=C7HTTP =C7=EB=C7=F3=B5=C4=B4=FA=C2=EB=20
> =20
>=20
> Here is a simple program that processes HTTP requests, checks to see if t=
he
> request has parameters attached, and then returns 'hello world' to the
> client.=20
>=20
> In Python, you provide the BaseHTTPServer class with a handler that is
> responsible for servicing GET and POST requests. (we are only dealing wit=
h
> GET in this project.) It should inherit from both CGIHTTPRequestHandler a=
nd
> object. (see the comment for an explanation of this.)=20
>=20
> do_GET is invoked by the BaseHTTPServer whenever a GET request is receive=
d.
> This is where you'll do your work. If you like, you can invoke a separate
> CGI script at this point.=20
>=20
> The first thing to notice is that this DOES NOT work the way that the cgi
> module does. In particular, stdout is not redirected back to the client.
> Instead, self.wfile is returned to the client. So, to send back a file, u=
se
> self.copyfile, which is inherited from BaseHTTPRequestHandler.=20
>=20
> Also, in this code, I want to send back a string, rather than a file. I
> could write the data out to a temp file, but that's messy, so I use the
> StringIO class. It provides a String that has an associated file handle, =
so
> it can be manipulated just like a file. In this case, I write to the stri=
ng,
> then use seek to reset the file pointer, then self.copyfile to move the
> 'file contents' onto the output stream.=20
>=20
> self.path includes everything in the URL after the hostname and port. Thi=
s
> is where you will extract arguments.=20
>=20
> Note that, if path doesn't contain a '?', I call the superclass' do_GET
> method. The syntax for doing this is a little odd. super takes the name o=
f a
> type and the object to be referenced, and returns a new object of the
> superclass' type. In order for this to work, you must (indirectly) inheri=
t
> from object.=20
>=20
> self.send_header() can be used to send back any necessary HTTP headers. T=
ake
> a look at the BaseHTTPRequestHandler (in BaseHTTPServer) and the
> CGIHTTPRequestHandler (in CGIHTTPServer) for more usage.=20
>=20
> saddr is the host, port tuple ('' is localhost) - when starting an
> HTTPServer, you should provide a saddr and a handler.=20
>=20
> import SimpleHTTPServer, BaseHTTPServer, httplib
> from CGIHTTPServer import CGIHTTPRequestHandler
> from StringIO import StringIO
>=20
>=20
> =20
> ### in order for super() to work, myHandler must be a 'new-style object'
> ### old-style objects work like objects in C++ - they ae a classobj, rath=
er
> ### than a type. They are not required to have a superclass.
> ### although myHandler has a superclass, apparently CGIHTTPRequestHandler
> ### does not derive from object.
> ### To get new-style class behavior, we also derive from object. A strang=
e
> ### hack to preserve both methods of OO ...
>=20
> class myHandler(CGIHTTPRequestHandler,object) :
>  def do_GET(self) :
>  if self.path.find('?') > 0 :=20
>  args =3D self.parsePath(self.path)
>  print args
>  print 'doing get'
>  f=3DStringIO()
>  f.write('hello wold')
>  self.send_header("Content-type", "text/html")
>  self.send_header("Content-Length", 11)
>  self.end_headers()
>  f.seek(0)
>  self.copyfile(f, self.wfile)
>  else :
>  super(myHandler,self).do_GET()
>=20
>  def parsePath(self, pathString) :
>  args =3D pathString.split('?')[1]
>  pairs =3D [s.split('=3D') for s in args.split('&')]
>  pairDict =3D {}
>  for item in pairs :
>  pairDict[item[0]] =3D item[1]
>  return pairDict
>=20
>=20
> saddr=3D("",8000)
> m=3DBaseHTTPServer.HTTPServer(saddr, myHandler)
> m.serve_forever()
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
> =20


--=20
[Time is unimportant, only life important!]

标题：[python-chinese] Re: Python P2P design