Dev support for context-sensitive help.

cms/djangoapps/contentstore/context_processors.py

 import ConfigParser
+from locale import getlocale
 from django.conf import settings
 
 config_file = open(settings.REPO_ROOT / "docs" / "config.ini")
@@ -6,15 +7,37 @@ config = ConfigParser.ConfigParser()
 config.readfp(config_file)
 
 
-def doc_url(request):
-    # in the future, we will detect the locale; for now, we will
-    # hardcode en_us, since we only have English documentation
-    locale = "en_us"
+def doc_url(request=None):
 
-    def get_doc_url(token):
-        try:
-            return config.get(locale, token)
-        except ConfigParser.NoOptionError:
-            return config.get(locale, "default")
+    def get_online_help_info(page_token):
 
-    return {"doc_url": get_doc_url}
+        def get_config_value(section_name, key, default_key="default"):
+            try:
+                return config.get(section_name, key)
+            except (ConfigParser.NoOptionError, AttributeError):
+                return config.get(section_name, default_key)
+
+        def get_page_path(page_token):
+            return get_config_value("pages", page_token)
+
+        def get_langage_path(request):
+            language_code = settings.LANGUAGE_CODE
+            return get_config_value("locales", language_code)
+
+        def get_url(base_option):
+            return "{base_url}/{language}/{version}/{page_path}".format(
+                base_url=config.get("server_settings", base_option),
+                language=language_dir,
+                version=config.get("server_settings", "version"),
+                page_path=page_path,
+            )
+
+        language_dir = get_langage_path(request)
+        page_path = get_page_path(page_token)
+
+        return {
+            "doc_url": get_url("base_url"),
+            "pdf_url": get_url("base_pdf"),
+        }
+
+    return {'get_online_help_info': get_online_help_info}

cms/templates/base.html

@@ -264,7 +264,8 @@
 
     <!-- view -->
     <div class="wrapper wrapper-view">
-      <%include file="widgets/header.html" />
+        <% online_help_token = self.online_help_token() if hasattr(self, 'online_help_token') else None %>
+        <%include file="widgets/header.html" args="online_help_token=online_help_token" />
 
       <div id="page-alert"></div>
 

cms/templates/edit-tabs.html

 <%inherit file="base.html" />
+<%def name="online_help_token()"><% return "pages" %></%def>
 <%namespace name='static' file='static_content.html'/>
 <%!
   from django.utils.translation import ugettext as _

cms/templates/textbooks.html

 <%inherit file="base.html" />
+<%def name="online_help_token()"><% return "textbooks" %></%def>
 <%namespace name='static' file='static_content.html'/>
 <%! import json %>
 <%! from django.utils.translation import ugettext as _ %>

cms/templates/widgets/header.html

@@ -3,7 +3,9 @@
   from django.core.urlresolvers import reverse
   from django.utils.translation import ugettext as _
   from xmodule.modulestore.django import loc_mapper
+  from contentstore.context_processors import doc_url
 %>
+<%page args="online_help_token"/>
 
 <div class="wrapper-header wrapper" id="view-top">
   <header class="primary" role="banner">
@@ -123,6 +125,10 @@
       <nav class="nav-account nav-is-signedin nav-dd ui-right">
         <h2 class="sr">${_("Help &amp; Account Navigation")}</h2>
 
+        <%
+          help_doc_urls = get_online_help_info(online_help_token)
+        %>
+
         <ol>
           <li class="nav-item nav-account-help">
             <h3 class="title"><span class="label">${_("Help")}</span> <i class="icon-caret-down ui-toggle-dd"></i></h3>
@@ -131,7 +137,7 @@
               <div class="nav-sub">
                 <ul>
                   <li class="nav-item nav-help-documentation">
-                    <a href="http://files.edx.org/Getting_Started_with_Studio.pdf" title="${_("This is a PDF Document")}">${_("Studio Documentation")}</a>
+                    <a href="${help_doc_urls['pdf_url']}" title="${_("This is a PDF Document")}">${_("Studio Documentation")}</a>
                   </li>
                   <li class="nav-item nav-help-helpcenter">
                     <a href="http://help.edge.edx.org/" rel="external">${_("Studio Help Center")}</a>
@@ -139,6 +145,11 @@
                   <li class="nav-item nav-help-feedback">
                     <a href="http://help.edge.edx.org/discussion/new" class="show-tender" title="${_("Use our feedback tool, Tender, to share your feedback")}">${_("Contact Us")}</a>
                   </li>
+                  % if online_help_token:
+                      <li class="nav-item nav-help-online">
+                        <a href="${help_doc_urls['doc_url']}" title="${_("Contextual Online Help")}">${_("Online Help")}</a>
+                      </li>
+                  % endif
                 </ul>
               </div>
             </div>

docs/config.ini

-[en_us]
-default=default
+# below are the server-wide settings for documentation
+[server_settings]
+base_url = http://edx.readthedocs.org/projects/edx-partner-course-staff
+base_pdf = https://media.readthedocs.org/pdf/edx-partner-course-staff
+version = latest
+
+# below are the sub-paths to the documentation for the various pages
+[pages]
+default = index.html
+home = getting_started/get_started.html
+courses = building_course/creating_new_course.html
+outline = creating_content/organizing_course.html
+updates = creating_content/handouts_updates.html
+pages = creating_content/pages.html
+files = creating_content/course_files.html
+textbooks = creating_content/textbooks.html
+schedule = building_course/setting_up_student_view.html
+grading = building_course/establish_grading_policy.html
+team = building_course/creating_new_course.html#add-course-team-members
+advanced = index.html
+checklist = building_course/creating_new_course.html#use-the-course-checklist
+import = building_course/export_import_course.html
+export = building_course/export_import_course.html
+
+# below are the language directory names for the different locales
+[locales]
+default = en
+en = en
+en_us = en