Running iPython from the OSX terminal

So I'm going through the matplotlib documentation and prepared to use the iPython interactive Python shell with ipython -pylab. However I get this:

Az's MBP:~ Az$ ipython -pylab
-bash: ipython: command not found

Did I fail to install iPython? I used easy开发者_如何学运维_install as advised.

Any ideas?

Update

Found it in /opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin. Am still confused.

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Did I fail to install iPython?

No, but it looks like you installed it with (darwinports or) macports -- I imagine that's where your installation of easy_install comes from, since Apple's own system Python doesn't include extensions such as easy_install, and /opt/local/... is where macports puts things.

If you're OK with using macports' versions of Python and everything, you should ensure that deeply-nested bin directory is on your $PATH so you can call things from there easily in your Terminal.app.

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Maybe your ipython executable isn't in your PATH. Try locate your ipython executable on your machine and check your PATH settings. Otherwise just reinstall.