Ipython can't find custom.js about jupyter_contrib_nbextensions HOT 32 CLOSED

Does ist help if you add the following lines to `ipython_notebook_config.py' in your profile directory:

c = get_config()
c.NotebookApp.extra_static_paths = ['/home/allan/my_path_to_custom']

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Unfortunately not.
I tried in both Firefox and Chrome.

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Try inside an incognito session in Chrome... or delete your cache and try again...

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Maybe you are using a different profile ?
What ist the console output when you start the IPython notebook ?

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I've come across the same problem, my path is like this:

C:\Users\zhangxaochen\.ipython\profile_default\static\custom>ls
custom.js  usability

and my notebook is using this same profile dir:

[NotebookApp] Using existing profile dir: u'C:\\Users\\zhangxaochen\\.ipython\\profile_default'

Hope someone could give me some tips.

Btw, the wiki seems a bit confusing since it doesn't say where to put custom.js

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btw when I type http://127.0.0.1:8888/static/custom/custom.js in my browser, it's just saying 404: Not Found

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What happens if you try this in the notebook:

import urllib2
import os

c=get_ipython()
profile_dir = c.kernel.profile_dir.location
notebook_dir = c.config.FileNotebookManager.notebook_dir
extra_static_paths = c.config.NotebookApp.extra_static_paths[:]
print("Profile directory: %s" % profile_dir)
print("Notebook directory: %s" % notebook_dir)
print("Extra static path: %s" % extra_static_paths)
print("IP: %s" % c.config.IPKernelApp.ip)

# search for custom.js in configured directories
extra_static_paths.append(profile_dir+'/static')
for ep in extra_static_paths:
    custom_js_path = os.path.normpath(ep + '/custom/custom.js')
    print('Testing path %s' % custom_js_path)
    try:
        f = open(custom_js_path,'r')
        l = f.readline()
        print('Found custom.js here: %s' % custom_js_path)
        f.close()
    except:
        pass

# Test for custom.js using standard url
try:
    f=urllib2.urlopen('http://127.0.0.1:8888/static/custom/custom.js')
    print("custom.js found")
except:
    print("no custom.js found")

This should print you the relevant directories and test if custom.js is being found

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@juhasch there is no c.kernel.profile_dir, so I changed it to c.profile_dir. Also, I get AttributeError: 'notebook_dir'. I'm using IPython 0.13.2, don't know how to solve such an error... btw, are you in IRC python chatting channel or SO chat or somewhere we could talk directly.

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IPython 0.13.2?? Upgrade it!
I don't remember enough, but I don't know if 0.13.2 support loading custom.js...

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@damianavila thx~ it's working now.
My new question is: Since alt+c is a global shortcut on my machine, is it possible to rebind the shortcut Alt+C to some other shortcut key e.g., Alt+/?
I find var commentKey = { "Alt-C" : function(cm){toggleComments(cm)} }; in file comment-uncomment.js, but changing C to / does not help.

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I believe the standard is CTRL+/ (can't type it on my keyboard). If you can live with this, you probably don't need an extension.

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@juhasch The console output when I start my Ipython notebook is:

2014-03-24 11:24:26.800 [NotebookApp] Using existing profile dir: u'/Users/allan/.ipython/profile_default'
2014-03-24 11:24:26.811 [NotebookApp] Using MathJax from CDN: http://cdn.mathjax.org/mathjax/latest/MathJax.js
2014-03-24 11:24:26.831 [NotebookApp] Serving notebooks from local directory: /Users/allan
2014-03-24 11:24:26.832 [NotebookApp] The IPython Notebook is running at: http://127.0.0.1:8888/
2014-03-24 11:24:26.832 [NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).

And when I click a notebook to open it:

2014-03-24 11:24:42.701 [NotebookApp] Connecting to: tcp://127.0.0.1:49330
2014-03-24 11:24:42.706 [NotebookApp] Kernel started: 2fc669ad-e3cb-4ee2-9efe-c0fc20a64679
2014-03-24 11:24:43.245 [NotebookApp] Connecting to: tcp://127.0.0.1:49327
2014-03-24 11:24:43.246 [NotebookApp] Connecting to: tcp://127.0.0.1:49329
2014-03-24 11:24:43.247 [NotebookApp] Connecting to: tcp://127.0.0.1:49328

I just updated to version 1.2 (from 1.1), which didn't fix the problem.
I also tried in incognito mode.

Some of the code you posted didn't work, so had to comment out a few lines, but here's the code and the output:

import urllib2
import os

c=get_ipython()
profile_dir = c.profile_dir.location
# notebook_dir = c.FileNotebookManager.notebook_dir  # doesn't work
# extra_static_paths = c.config.NotebookApp.extra_static_paths[:]  # doesn't work
print("Profile directory: %s" % profile_dir)
# print("Notebook directory: %s" % notebook_dir)  # doesn't work
# print("Extra static path: %s" % extra_static_paths)  # doesn't work
# print("IP: %s" % c.config.IPKernelApp.ip)  # doesn't work

# search for custom.js in configured directories
extra_static_paths.append(profile_dir+'/static')
for ep in extra_static_paths:
    custom_js_path = os.path.normpath(ep + '/custom/custom.js')
    print('Testing path %s' % custom_js_path)
    try:
        f = open(custom_js_path,'r')
        l = f.readline()
        print('Found custom.js here: %s' % custom_js_path)
        f.close()
    except:
        pass

# Test for custom.js using standard url
try:
    f=urllib2.urlopen('http://127.0.0.1:8888/static/custom/custom.js')
    print("custom.js found")
except:
    print("no custom.js found")

Profile directory: /Users/allan/.ipython/profile_default
Testing path /Users/allan/.ipython/profile_default/static/custom/custom/custom.js
Testing path /Users/allan/.ipython/profile_default/static/custom/custom.js
Found custom.js here: /Users/allan/.ipython/profile_default/static/custom/custom.js
custom.js found

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@juhasch wow! great! why is this not documented in the help menu?

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AFAIK, it is documented...

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I mean, in the Keyboard shortcuts popup page when pressing Ctrl-m h

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@zhangxaochen: In IPython 2.0dev it is documented.
@AllanHansen: I think you have one custom too much in your path.
Here is what I have in my config file:
c.NotebookApp.extra_static_paths = ['n:\\.ipython\\static']
And my custom file is here:
n:\.ipython\static\custom\custom.js

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I moved the static folder from /Users/allan/.ipython/profile_default/static/ to /Users/allan/.ipython/static/, and added /Users/allan/.ipython/static/ to the c.NotebookApp.extra_static_paths in the Ipython notebook config file. It's still the standard file which is shown when I visit http://127.0.0.1:8888/static/custom/custom.js

I guess a working, albeit less optimal, solution is to edit the standard file (or replace it with a symlink)...?

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@AllanHansen did you succeed? Can we close this one?

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Closing, if you have problems again, just reopen it...

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I reinstalled my win7 a few days ago, and also anaconda2.0.1 (python2.7.7 & ipython2.1.0). Now I can access http://localhost:8888/static/custom/custom.js, and http://localhost:8888/nbextensions/publishing/gist_it.js, but still could not get the exts working correctly.

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@damianavila how can I get the issue reopened? or do I need to open another issue?

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Can you do a quick summary of you steps... I am not a win user, but I think @juhasch is a win user, so if this is win related, he probably can help you more, but let first hear your summary to dig into it, thanks!

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I don't know what this extension is supposed to do.

If you are looking for an extension to upload notebooks as gists this might be better:
https://github.com/minrk/ipython_extensions

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@damianavila @juhasch I mean not only gist (or gist_it), but all the other extensions.

I unzip IPython-notebook-extensions-master.zip and copy folders publishing, slidemode, etc. to <ipython locate>/nbextensions,
then I copy the contents of custom.example.js to custom.js,
then I uncomment the lines e.g. IPython.load_extensions('publishing/nbconvert_button'), and restart notebook, nothing happened,
then I tried IPython.load_extensions('publishing/nbconvert_button.js'), IPython.load_extensions('nbextensions/publishing/nbconvert_button.js'), and nothing happened...

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OK, so try if you can load the extension in your browser, i.e. see the sourcecode. For me it is
http://127.0.0.1:8888/nbextensions/publishing/nbconvert_button.js

Then, the Javascript command to load the extension is
IPython.load_extensions('publishing/nbconvert_button') (no .js).

Unfortunately, right now it is not easy to install and load extensions. This will be improved, but we are not there yet.

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@juhasch http://127.0.0.1:8888/nbextensions/publishing/nbconvert_button.js is OK to access, and I'm using IPython.load_extensions('publishing/nbconvert_button') right now, seems same as what the WIKI page says

Is there a way to debug the js script to see whether it's loading correctly? not knowing much about JS

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This works for me with IPython 2.1. Can you check if there are any messages if you activate the Javascript console in your Broswer ?
It should say Loaded extension: publishing/nbconvert_button

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@juhasch it's:

Default extension for cell metadata editing loaded.
Raw Cell Format toolbar preset loaded.
Slideshow extension for metadata editing loaded.
gist extension loaded
Uncaught TypeError: Cannot read property 'on' of undefined
patching CM for undefined indent
Kernel started:  9421f308-49aa-4936-bf67-d895938e3747
Starting WebSockets: ws://127.0.0.1:8888/api/kernels/9421f308-49aa-4936-bf67-d895938e3747

my custom.js is:

require(["nbextensions/gist"], function (gist_extension) {
    console.log('gist extension loaded');
    gist_extension.load_ipython_extension();
});

// activate extensions only after Notebook is initialized
require(["base/js/events"], function (events) {
    events.on("app_initialized.NotebookApp", function () {
    IPython.load_extensions('publishing/nbconvert_button')
....

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You need to get the 2.x version (2-x branch on Github) of the extensions and the custom.js example.

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@zhangxaochen, I gonna close this one because the issue will be solved by the 2-x branch, let us know if you have more problems...

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@juhasch @damianavila branch 2-x is OK, what does the current master working with then?

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Working with IPython 3.0-dev...

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