Added new extension snippets_menu

src/jupyter_contrib_nbextensions/nbextensions/snippets_menu/config.yaml

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+Type: Jupyter Notebook Extension
+Name: Snippets Menu
+Link: readme.md
+Description: |
+  Add a customizable menu item to insert code and markdown snippets.
+  Comes with extensive defaults for popular python modules, including fairly
+  complete listings of many important functions and constants, to save
+  searching through documentation.
+Main: main.js
+Icon: thumbnail.png
+Compatibility: 4.x
+Parameters:
+- name: snippets.insert_as_new_cell
+  description: "Insert snippets as new cells, rather than at cursor inside current cell"
+  input_type: checkbox
+  default: false
+- name: snippets.include_custom_menu
+  description: "Include custom menu"
+  input_type: checkbox
+  default: false
+- name: snippets.custom_menu_content
+  description: "Custom menu code (only used if the option above is checked)"
+  input_type: textarea
+  default: |
+    {
+        "name" : "My favorites",
+        "sub-menu" : [
+            {
+                "name" : "Menu item text",
+                "snippet" : ["import something",
+                             "",
+                             "new_command(3.14)",
+                             "other_new_code_on_new_line('with a string!')",
+                             "stringy(\"if you need them, escape double quotes with a single backslash\")",
+                             "backslashy('This \\ appears as just one backslash in the output')",
+                             "backslashy2('Here \\\\ are two backslashes')"]
+            },
+            {
+                "name" : "TeX can be written in menu labels $\\alpha_W e\\int_0 \\mu \\epsilon$",
+                "snippet" : ["another_new_command(2.78)"]
+            }
+        ]
+    }
+- name: snippets.include_submenu_numpy
+  description: "Include numpy sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_scipy
+  description: "Include scipy sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_matplotlib
+  description: "Include matplotlib sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_sympy
+  description: "Include sympy sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_pandas
+  description: "Include pandas sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_astropy
+  description: "Include astropy sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_h5py
+  description: "Include h5py sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_numba
+  description: "Include numba sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_python
+  description: "Include python sub-menu"
+  input_type: checkbox
+  default: true
+- name: snippets.include_submenu_markdown
+  description: "Include markdown sub-menu"
+  input_type: checkbox
+  default: true

src/jupyter_contrib_nbextensions/nbextensions/snippets_menu/examples_for_custom.js

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+// The following are various examples taken from README.md.  Each section
+// contains code that you could place into your own custom.js file.  Note that
+// only one of these should be used, though you might want to combine ideas
+// from the various examples.
+
+
+//// 1. Simple "My favorites" menu inserted at the *bottom* of "Snippets", with horizontal-line separator
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    var horizontal_line = '---';
+    var my_favorites = {
+        'name' : 'My favorites',
+        'sub-menu' : [
+            {
+                'name' : 'Menu item text',
+                'snippet' : ['new_command(3.14)',],
+            },
+            {
+                'name' : 'Another menu item',
+                'snippet' : ['another_new_command(2.78)',],
+            },
+        ],
+    };
+    snippets_menu.options['menus'] = snippets_menu.default_menus;
+    snippets_menu.options['menus'][0]['sub-menu'].push(horizontal_line);
+    snippets_menu.options['menus'][0]['sub-menu'].push(my_favorites);
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+//// 2. "My favorites" menu with lots of stringy goodness
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    var horizontal_line = '---';
+    var my_favorites = {
+        'name' : 'My $\\nu$ favorites',
+        'sub-menu' : [
+            {
+                'name' : 'Multi-line snippet',
+                'snippet' : ['new_command(3.14)',
+                             'other_new_code_on_new_line("with a string!")',
+                             'stringy(\'escape single quotes once\')',
+                             "stringy2('or use single quotes inside of double quotes')",
+                             'backslashy("This \\ appears as just one backslash in the output")',
+                             'backslashy2("Here are \\\\ two backslashes")',],
+            },
+            {
+                'name' : 'TeX appears correctly $\\alpha_W e\\int_0 \\mu \\epsilon$',
+                'snippet' : ['another_new_command(2.78)',],
+            },
+        ],
+    };
+    snippets_menu.options['menus'].push(snippets_menu.default_menus[0]);
+    snippets_menu.options['menus'][0]['sub-menu'].push(horizontal_line);
+    snippets_menu.options['menus'][0]['sub-menu'].push(my_favorites);
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 3. Delete "Matplotlib"'s "Setup for scripts" item
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    snippets_menu.python.matplotlib['sub-menu'].splice(1, 1); // Delete 1 element starting at position 1 of the sub-menu
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 4. Swap setup items in "Matplotlib" sub-menu
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    var tmp = snippets_menu.python.matplotlib['sub-menu'][0];
+    snippets_menu.python.matplotlib['sub-menu'][0] = snippets_menu.python.matplotlib['sub-menu'][1];
+    snippets_menu.python.matplotlib['sub-menu'][1] = tmp;
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 5. Insert "My favorites" as a new top-level menu before "Snippets", instead of inside "Snippets"
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    var my_favorites = {
+        'name' : 'My favorites',
+        'sub-menu' : [
+            {
+                'name' : 'Menu item text',
+                'snippet' : ['new_command(3.14)',],
+            },
+            {
+                'name' : 'Another menu item',
+                'snippet' : ['another_new_command(2.78)',],
+            },
+        ],
+    };
+    snippets_menu.options['menus'].push(my_favorites);
+    snippets_menu.options['menus'].push(snippets_menu.default_menus[0]);
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 6. Insert "My favorites" as a new top-level menu after "Snippets", instead of inside "Snippets"
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    var my_favorites = {
+        'name' : 'My favorites',
+        'sub-menu' : [
+            {
+                'name' : 'Menu item text',
+                'snippet' : ['new_command(3.14)',],
+            },
+            {
+                'name' : 'Another menu item',
+                'snippet' : ['another_new_command(2.78)',],
+            },
+        ],
+    };
+    snippets_menu.options['menus'].push(snippets_menu.default_menus[0]);
+    snippets_menu.options['menus'].push(my_favorites);
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 7. Place "Snippets" before "Help" menu
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    snippets_menu.options['insert_before_or_after'] = 'before';
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 8. Move SymPy and Numpy to navbar and delete pandas
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    snippets_menu.default_menus[0]['sub-menu'].splice(3, 2); // Remove SymPy and pandas
+    snippets_menu.python.sympy['sub-menu-direction'] = 'left'; // Point new SymPy menus to left
+    snippets_menu.python.numpy['sub-menu-direction'] = 'left'; // Point new Numpy menus to left
+    snippets_menu.options['menus'].push(snippets_menu.default_menus[0]); // Start with the remaining "Snippets" menu
+    snippets_menu.options['menus'].push(snippets_menu.python.sympy); // Follow that with a new SymPy menu
+    snippets_menu.options['menus'].push(snippets_menu.python.numpy); // Follow that with a new Numpy menu
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 9. Change direction of sub-menus under "Snippets"
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    snippets_menu.options['direction_of_top_level_submenu'] = 'right';
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 10. Place "Snippets" inside "Insert" menu
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    snippets_menu.default_menus[0]['menu-direction'] = 'left'; // Open top-level menu to the left...
+    snippets_menu.default_menus[0]['sub-menu-direction'] = 'right'; // ...and sub-menus to the right.
+    snippets_menu.options['menus'].push('---', snippets_menu.default_menus[0]); // Add horizontal line and default menus
+    snippets_menu.options['sibling'] = $("#insert_cell_below"); // Find the place at which to insert the new menus
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});
+
+
+
+//// 11. Multiple menus in different places
+require(["nbextensions/snippets_menu/main"], function (snippets_menu) {
+    console.log('Loading `snippets_menu` customizations from `custom.js`');
+    var sympy_menu = [snippets_menu.python.sympy,];
+    sympy_menu[0]['sub-menu-direction'] = 'left';
+    snippets_menu.options['menus'] = sympy_menu;
+    snippets_menu.default_menus[0]['sub-menu'].splice(3, 1); // Remove SymPy from defaults
+    snippets_menu.default_menus[0]['menu-direction'] = 'left';
+    snippets_menu.default_menus[0]['sub-menu-direction'] = 'right';
+    var sibling = $("#insert_cell_below");
+    var inserted_menu = [
+        '---',
+        snippets_menu.default_menus[0],
+    ];
+    snippets_menu.menu_setup(inserted_menu, sibling, 'after');
+    console.log('Loaded `snippets_menu` customizations from `custom.js`');
+});