chore: Switch from edx-sphinx-theme to sphinx-book-theme

The edx-sphinx theme is being deprecated, and replaced with sphinx-book-theme.
This removes references to the deprecated theme and replaces them with the new
standard theme for the platform.

Author: xitij2000

docs/conf.py

@@ -14,8 +14,9 @@
 from __future__ import absolute_import
 
 import os
+from datetime import datetime
+
 
-import edx_theme
 
 # on_rtd is whether we are on readthedocs.org
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
@@ -33,7 +34,6 @@
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
-    'edx_theme',
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -50,8 +50,8 @@
 
 # General information about the project.
 project = u'E-Commerce Service'
-author = edx_theme.AUTHOR
-copyright = edx_theme.COPYRIGHT  # pylint: disable=redefined-builtin
+author = 'edX Inc.'
+copyright = f'{datetime.now().year}, edX Inc.'  # pylint: disable=redefined-builtin
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -101,15 +101,44 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'edx_theme'
+html_theme = 'sphinx_book_theme'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
-# html_theme_options = {}
-
+html_theme_options = {
+    "repository_url": "https://github.com/openedx/ecommerce",
+    "repository_branch": "master",
+    "path_to_docs": "docs/",
+    "home_page_in_toc": True,
+    "use_repository_button": True,
+    "use_issues_button": True,
+    "use_edit_page_button": True,
+    # Please don't change unless you know what you're doing.
+    "extra_footer": """
+        <a rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/">
+            <img
+                alt="Creative Commons License"
+                style="border-width:0"
+                src="https://i.creativecommons.org/l/by-sa/4.0/80x15.png"/>
+        </a>
+        <br>
+        These works by
+            <a
+                xmlns:cc="https://creativecommons.org/ns#"
+                href="https://openedx.org"
+                property="cc:attributionName"
+                rel="cc:attributionURL"
+            >The Center for Reimagining Learning</a>
+        are licensed under a
+            <a
+                rel="license"
+                href="https://creativecommons.org/licenses/by-sa/4.0/"
+            >Creative Commons Attribution-ShareAlike 4.0 International License</a>.
+    """
+}
 # Add any paths that contain custom themes here, relative to this directory.
-html_theme_path = [edx_theme.get_html_theme_path()]
+# html_theme_path = []
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
@@ -120,12 +149,12 @@
 
 # The name of an image file (relative to this directory) to place at the top
 # of the sidebar.
-# html_logo = None
+html_logo = "https://logos.openedx.org/open-edx-logo-color.png"
 
 # The name of an image file (within the static path) to use as favicon of the
 # docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
-# html_favicon = None
+html_favicon = "https://logos.openedx.org/open-edx-favicon.ico"
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,