update mkdocs to be compatible with python 3.7+

fix #261

yeti/content.html

@@ -1,20 +1,20 @@
-{% if meta.source %}
+{% if page.meta.source %}
 <div class="source-links">
-{% for filename in meta.source %}
+{% for filename in page.meta.source %}
     <span class="label label-primary">{{ filename }}</span>
 {% endfor %}
 </div>
 {% endif %}
 
-{{ content }}
+{{ page.content }}
 
 <div id="disqus_thread"></div>
 <script>
     (function() {
         var d = document, s = d.createElement('script');
-        
+
         s.src = '//learnopengl-cn.disqus.com/embed.js';
-        
+
         s.setAttribute('data-timestamp', +new Date());
         (d.head || d.body).appendChild(s);
     })();

yeti/main.html

@@ -4,13 +4,12 @@
         <meta charset="utf-8">
         <meta http-equiv="X-UA-Compatible" content="IE=edge">
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
-        {% if page_description %}<meta name="description" content="{{ page_description }}">{% endif %}
-        {% if site_author %}<meta name="author" content="{{ site_author }}">{% endif %}
-        {% if canonical_url %}<link rel="canonical" href="{{ canonical_url }}">{% endif %}
-        {% if favicon %}<link rel="shortcut icon" href="{{ favicon }}">
-        {% else %}<link rel="shortcut icon" href="{{ base_url }}/img/favicon.ico">{% endif %}
+        {% if config.site_description %}<meta name="description" content="{{ config.site_description }}">{% endif %}
+        {% if config.site_author %}<meta name="author" content="{{ config.site_author }}">{% endif %}
+        {% if page.canonical_url %}<link rel="canonical" href="{{ page.canonical_url }}">{% endif %}
+        <link rel="shortcut icon" href="{{ base_url }}/img/favicon.ico">
 
-	<title>{% if page_title %}{{ page_title }} - {% endif %}{{ site_name }}</title>
+	<title>{% if page.title %}{{ page.title }} - {% endif %}{{ config.site_name }}</title>
 
         <link href="{{ base_url }}/css/bootstrap-custom.min.css" rel="stylesheet">
         <link href="{{ base_url }}/css/font-awesome-4.0.3.css" rel="stylesheet">
@@ -57,7 +56,6 @@
         <script src="{{ base_url }}/js/bootstrap-3.0.3.min.js"></script>
         <script src="{{ base_url }}/js/highlight.pack.js"></script>
         <script>var base_url = '{{ base_url }}';</script>
-        <script data-main="{{ base_url }}/mkdocs/js/search.js" src="{{ base_url }}/mkdocs/js/require.js"></script>
         <script src="{{ base_url }}/js/base.js"></script>
         {%- for path in extra_javascript %}
         <script src="{{ path }}"></script>

yeti/nav-sub.html

@@ -1,6 +1,6 @@
 {% if not nav_item.children %}
 <li {% if nav_item.active %}class="active"{% endif %}>
-    <a href="{{ nav_item.url }}">{{ nav_item.title }}</a>
+    <a href="{{ nav_item.url|url }}">{{ nav_item.title }}</a>
 </li>
 {% else %}
   <li class="dropdown-submenu">

yeti/nav.html

@@ -12,7 +12,7 @@
             </button>
 
             <!-- Main title -->
-            <a class="navbar-brand" href="{{ homepage_url }}">{{ site_name }}</a>
+            <a class="navbar-brand" href="{{ nav.homepage.url|url }}">{{ config.site_name }}</a>
         </div>
 
         <!-- Expanded navigation -->
@@ -31,7 +31,7 @@
                 </li>
             {% else %}
                 <li {% if nav_item.active %}class="active"{% endif %}>
-                    <a href="{{ nav_item.url }}">{{ nav_item.title }}</a>
+                    <a href="{{ nav_item.url|url }}">{{ nav_item.title }}</a>
                 </li>
             {% endif %}
             {% endfor %}
@@ -44,25 +44,25 @@
                         <i class="fa fa-search"></i> 搜索
                     </a>
                 </li>
-                <li {% if not previous_page %}class="disabled"{% endif %}>
-                    <a rel="next" {% if previous_page %}href="{{ previous_page.url }}"{% endif %}>
+                <li {% if not page.previous_page %}class="disabled"{% endif %}>
+                    <a rel="next" {% if page.previous_page %}href="{{ page.previous_page.url|url }}"{% endif %}>
                         <i class="fa fa-arrow-left"></i> 上一节
                     </a>
                 </li>
-                <li {% if not next_page %}class="disabled"{% endif %}>
-                    <a rel="prev" {% if next_page %}href="{{ next_page.url }}"{% endif %}>
+                <li {% if not page.next_page %}class="disabled"{% endif %}>
+                    <a rel="prev" {% if page.next_page %}href="{{ page.next_page.url|url }}"{% endif %}>
                         下一节 <i class="fa fa-arrow-right"></i>
                     </a>
                 </li>
-                {% if repo_url %}
+                {% if config.repo_url %}
                 <li>
-                    <a href="{{ repo_url }}">
-                        {% if repo_name == 'GitHub' %}
+                    <a href="{{ config.repo_url }}">
+                        {% if config.repo_name == 'GitHub' %}
                             <i class="fa fa-github"></i>
-                        {% elif repo_name == 'Bitbucket' %}
+                        {% elif config.repo_name == 'Bitbucket' %}
                             <i class="fa fa-bitbucket"></i>
                         {% endif %}
-                        {{ repo_name }}
+                        {{ config.repo_name }}
                     </a>
                 </li>
                 {% endif %}

yeti/toc.html

@@ -1,9 +1,9 @@
 <div class="bs-sidebar hidden-print affix well" role="complementary">
     <ul class="nav bs-sidenav">
-    {% for toc_item in toc %}
-        <li class="main {% if toc_item.active %}active{% endif %}"><a href="{{ toc_item.url }}">{{ toc_item.title }}</a></li>
+    {% for toc_item in page.toc %}
+        <li class="main {% if toc_item.active %}active{% endif %}"><a href="{{ toc_item.url|url }}">{{ toc_item.title }}</a></li>
         {% for toc_item in toc_item.children %}
-            <li><a href="{{ toc_item.url }}">{{ toc_item.title }}</a></li>
+            <li><a href="{{ toc_item.url|url }}">{{ toc_item.title }}</a></li>
         {% endfor %}
     {% endfor %}
     </ul>