Windows7でnode-weakを読み込めないようです。私はPython2.7、2.5、2.3を試しましたが、役に立ちませんでした。（以下のエラーから）Python2のバージョンを使用する必要があるようですが、バージョンを変更しても効果がないようです。どんな助けでも大歓迎です。
C:\project1\node_modules\weak>node "C:\Program Files (x86)\nodejs\node_modules\npm\
bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild
gyp ERR! rebuild error Error: Python executable "c:\Python25\python.exe" is Pyth
on 3, which is not supported.
gyp ERR! rebuild error at failPython3 (C:\Program Files (x86)\nodejs\node_mo
dules\npm\node_modules\node-gyp\lib\configure.js:90:14)
gyp ERR! rebuild error at C:\Program Files (x86)\nodejs\node_modules\npm\nod
e_modules\node-gyp\lib\configure.js:79:9
gyp ERR! rebuild error at ChildProcess.exithandler (child_process.js:534:7)
gyp ERR! rebuild error at ChildProcess.EventEmitter.emit (events.js:91:17)
gyp ERR! rebuild error at maybeClose (child_process.js:634:16)
gyp ERR! rebuild error at Process._handle.onexit (child_process.js:676:5)
gyp ERR! not ok
npm ERR! weak@0.2.1 install: `node-gyp rebuild`
npm ERR! `cmd "/c" "node-gyp rebuild"` failed with 1
npm ERR!
npm ERR! Failed at the weak@0.2.1 install script.
npm ERR! This is most likely a problem with the weak package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node-gyp rebuild
npm ERR! You can get their info via:
npm ERR! npm owner ls weak
npm ERR! There is likely additional logging output above.
npm ERR! System Windows_NT 6.1.7601
npm ERR! command "C:\\Program Files (x86)\\nodejs\\\\node.exe" "C:\\Program File
s (x86)\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "weak"
npm ERR! cwd C:\project1
npm ERR! node -v v0.8.1
npm ERR! npm -v 1.1.33
npm ERR! code ELIFECYCLE
npm ERR! message weak@0.2.1 install: `node-gyp rebuild`
npm ERR! message `cmd "/c" "node-gyp rebuild"` failed with 1
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! C:\project1\npm-debug.log
npm ERR! not ok code 0