show versions in about in desk, fixes frappe/erpnext#1656

frappe/__init__.py

@@ -396,11 +396,22 @@ def get_all_apps(with_frappe=False, with_internal_apps=True, sites_path=None):
 	return apps
 
 def get_installed_apps():
-	if flags.in_install_db:
+	if getattr(flags, "in_install_db", True):
 		return []
 	installed = json.loads(db.get_global("installed_apps") or "[]")
 	return installed
 
+@whitelist()
+def get_versions():
+	versions = {}
+	for app in get_installed_apps():
+		try:
+			versions[app] = get_attr(app + ".__version__")
+		except AttributeError:
+			versions[app] = 'Not Versioned'
+
+	return versions
+
 def get_hooks(hook=None, default=None, app_name=None):
 	def load_app_hooks(app_name=None):
 		hooks = {}

frappe/public/build.json

@@ -125,6 +125,7 @@
 		"public/js/frappe/ui/toolbar/report.js",
 		"public/js/frappe/ui/toolbar/recent.js",
 		"public/js/frappe/ui/toolbar/bookmarks.js",
+		"public/js/frappe/ui/toolbar/about.js",
 		"public/js/frappe/ui/toolbar/toolbar.js",
 		"public/js/frappe/ui/editor.js",
 

frappe/public/js/frappe/ui/toolbar/about.js

@@ -0,0 +1,45 @@
+frappe.provide('frappe.ui.misc');
+frappe.ui.misc.about = function() {
+	if(!frappe.ui.misc.about_dialog) {
+		var d = new frappe.ui.Dialog({title: __('Frappe Framework')})
+
+		$(d.body).html(repl("<div>\
+		<p>"+__("Open Source Web Applications for the Web")+"</p>  \
+		<p><i class='icon-globe icon-fixed-width'></i>\
+			 Website: <a href='https://frappe.io' target='_blank'>https://frappe.io</a></p>\
+	 	<p><i class='icon-github icon-fixed-width'></i>\
+			Source: <a href='https://github.com/frappe' target='_blank'>https://github.com/frappe</a></p>\
+		<hr>\
+		<h4>Versions</h4>\
+		<div id='about-app-versions'>Loading versions...</div>\
+		<hr>\
+		<p class='text-muted'>&copy; 2014 Web Notes Technologies Pvt. Ltd and contributers </p> \
+		</div>", frappe.app));
+
+		frappe.ui.misc.about_dialog = d;
+
+		frappe.ui.misc.about_dialog.onshow = function() {
+			if(!frappe.versions) {
+				frappe.call({
+					method: "frappe.get_versions",
+					callback: function(r) {
+						show_versions(r.message);
+					}
+				})
+			}
+		};
+
+		var show_versions = function(versions) {
+			var $wrap = $("#about-app-versions").empty();
+			$.each(keys(versions).sort(), function(i, key) {
+				$('<p><b>'+ key +':</b> ' + versions[key] + '</p>').appendTo($wrap)
+			});
+
+			frappe.versions = versions;
+		}
+
+	}
+
+	frappe.ui.misc.about_dialog.show();
+
+}