add Jupyter extensions hooks

Author: peteut

fileupload/__init__.py

@@ -1,25 +1,9 @@
 from .widget import FileUploadWidget  # noqa
 
 
-def nbinstall(overwrite=False, user=True):
-    '''
-    Installs the Javascript dependencies.
-
-    Parameters
-    ----------
-    overwrite : bool, optional
-        If True, always install the files,
-        regardless of what may already be installed.
-    user : bool, optional
-        Whether to install to the user's nbextensions directory.
-    '''
-    import os
-    try:
-        from notebook import install_nbextension
-    except ImportError:
-        from IPython.html.nbextensions import install_nbextension
-    from .widget import _packet_name
-
-    view_static = os.path.abspath(
-        os.path.join(os.path.dirname(__file__), 'static', _packet_name()))
-    install_nbextension(view_static, user=user, overwrite=overwrite, verbose=0)
+def _jupyter_nbextension_paths():
+    return [dict(
+        section='notebook',
+        src='static',
+        dest='fileupload',
+        require='fileupload/extension')]

fileupload/static/extension.js

@@ -0,0 +1,15 @@
+if (window.require) {
+    window.require.config({
+        map: {
+            '*': {
+                'fileupload': 'nbextensions/fileupload/widget',
+                'jupyter-js-widgets': 'nbextensions/jupyter-js-widgets/extension'
+            }
+        }
+    });
+}
+
+
+module.exports = {
+    load_ipython_extension: function() {}
+};

fileupload/static/fileupload/widget.js fileupload/static/widget.js

@@ -1,8 +1,9 @@
 define([
     'jquery',
-    'widgets/js/widget'
-], function ($, widget) {
+    'jupyter-js-widgets'
+], function ($, widgets) {
 
+    'use strict';
     var _getId = (function () {
 
             var cnt = 0;
@@ -13,8 +14,7 @@ define([
             }
     })();
 
-    'use strict';
-    var FileUploadView = widget.DOMWidgetView.extend({
+    var FileUploadView = widgets.DOMWidgetView.extend({
 
         render: function render () {
 

fileupload/widget.py

@@ -1,27 +1,14 @@
-import os
 import base64
 import ipywidgets
 import traitlets
 
 
-def _module_name():
-    return os.path.splitext(os.path.basename(__file__))[0]
-
-
-def _packet_name():
-    return os.path.basename(os.path.dirname(__file__))
-
-
 class FileUploadWidget(ipywidgets.DOMWidget):
     '''File Upload Widget.
     This widget provides file upload using `FileReader`.
     '''
-    _view_static = os.path.abspath(
-        os.path.join(os.path.dirname(__file__), 'static', _packet_name()))
     _view_name = traitlets.Unicode('FileUploadView').tag(sync=True)
-    _view_module = traitlets.Unicode(
-        os.path.join('nbextensions', _packet_name(), _module_name())
-    ).tag(sync=True)
+    _view_module = traitlets.Unicode('fileupload').tag(sync=True)
 
     filename = traitlets.Unicode(help='Filename of `data`.').tag(sync=True)
     data_base64 = traitlets.Unicode(help='File content, base64 encoded.'

requirements.txt

@@ -1,3 +1,3 @@
-ipywidgets>=4.0
-traitlets>=4.1
-notebook>=4.0
+ipywidgets>=5.1
+traitlets>=4.2
+notebook>=4.2

setup.cfg

@@ -24,6 +24,6 @@ keywords =
 [files]
 packages = fileupload
 package_data =
-    fileupload = *.js
+    static = *.js
 [bdist_wheel]
 universal = 1