Python 3.4 not supported

[fonnesbeck]

It looks like one of the dependencies (gyp) is not compatible with Python >= 3:

$ apm install hydrogen
Installing hydrogen to /Users/fonnescj/.atom/packages ✗

> zmq@2.11.0 install /private/var/folders/z_/kgsm76k94s7_jhnkfydfnd380000gn/T/apm-install-dir-115420-19773-pwklwc/node_modules/Hydrogen/node_modules/zmq
> node-gyp rebuild


gyp ERR! configure error 
gyp ERR! stack Error: Python executable "python" is v3.4.2, which is not supported by gyp.
gyp ERR! stack You can pass the --python switch to point to Python >= v2.5.0 & < 3.0.0.
gyp ERR! stack     at failPythonVersion (/Applications/Atom.app/Contents/Resources/app/apm/node_modules/npm/node_modules/node-gyp/lib/configure.js:108:14)
gyp ERR! stack     at /Applications/Atom.app/Contents/Resources/app/apm/node_modules/npm/node_modules/node-gyp/lib/configure.js:97:9
gyp ERR! stack     at ChildProcess.exithandler (child_process.js:656:7)
gyp ERR! stack     at ChildProcess.emit (events.js:98:17)
gyp ERR! stack     at maybeClose (child_process.js:766:16)
gyp ERR! stack     at Socket.<anonymous> (child_process.js:979:11)
gyp ERR! stack     at Socket.emit (events.js:95:17)
gyp ERR! stack     at Pipe.close (net.js:466:12)
gyp ERR! System Darwin 14.4.0
gyp ERR! command "node" "/Applications/Atom.app/Contents/Resources/app/apm/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /private/var/folders/z_/kgsm76k94s7_jhnkfydfnd380000gn/T/apm-install-dir-115420-19773-pwklwc/node_modules/Hydrogen/node_modules/zmq
gyp ERR! node -v v0.10.35
gyp ERR! node-gyp -v v1.0.2
gyp ERR! not ok 
npm ERR! Darwin 14.4.0
npm ERR! argv "/Applications/Atom.app/Contents/Resources/app/apm/bin/node" "/Applications/Atom.app/Contents/Resources/app/apm/node_modules/npm/bin/npm-cli.js" "--globalconfig" "/Users/fonnescj/.atom/.apm/.apmrc" "--userconfig" "/Users/fonnescj/.atom/.apmrc" "install" "/private/var/folders/z_/kgsm76k94s7_jhnkfydfnd380000gn/T/d-115420-19773-1756kxc/package.tgz" "--target=0.22.0" "--arch=x64"
npm ERR! node v0.10.35
npm ERR! npm  v2.5.1
npm ERR! code ELIFECYCLE

npm ERR! zmq@2.11.0 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the zmq@2.11.0 install script 'node-gyp rebuild'.
npm ERR! This is most likely a problem with the zmq 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 zmq
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /private/var/folders/z_/kgsm76k94s7_jhnkfydfnd380000gn/T/apm-install-dir-115420-19773-pwklwc/npm-debug.log

[rgbkrk]

Hey @fonnesbeck!

That's a known issue with node-gyp (nodejs/node-gyp#384), which builds native add ons (in this case zmq). I've been pushing to fix this upstream in node-gyp but haven't seen any responses by maintainers (even on issues from 2014).

Can you try installing hydrogen with the command line apm tool, setting the PYTHON environment variable?

PYTHON=python2.7 apm install hydrogen

Technically, the node-gyp instructions tell people to set it via node-gyp or npm config but with apm bundling both node-gyp and npm I'm not sure how to overwrite it.

[fonnesbeck]

I see. That's a deal breaker for me, as I work exclusively in Python 3 these days. Bizarre that they won't update their package.

[willwhitney]

@fonnesbeck It will still run Python 3, it's only the installer for node-gyp that needs Python 2.

[rgbkrk]

From nodejs/node-gyp#193, seems like much of the issue actually comes from gyp: https://code.google.com/p/gyp/issues/detail?id=36

[fonnesbeck]

@willwhitney I see; I had assumed it was associated with the IPython that gets used by hydrogen. setting the PYTHON flag seems to work. Thanks.

[willwhitney]

Awesome, glad you're up and running now.

@rgbkrk I'm starting to really wish for a Javascript ZMQ implementation — gyp seems to be causing a lot of problems.

[rgbkrk]

With new versions of node-gyp, they'll now also check for python2 (via nodejs/node-gyp#527). Hurrah!

[willwhitney]

Nice!

On Sun, May 24, 2015, 7:57 PM Kyle Kelley notifications@github.com wrote:

With new versions of node-gyp, they'll now also check for python2. Hurrah!

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