create ipython extension (#79)

* create ipython extension

* update changelog

* also map markata to the instance

* update changelog

CHANGELOG.md

@@ -16,6 +16,7 @@
   server-side redirects fail, or the user does not have the ability to issue. #76
 * create a slugify migration script #82
 * DeepMerge `config_overrides` with config in post render methods #91 0.5.0.dev13
+* Create ipython extension to automatically load markata #79 0.5.0.dev15
 
 ### sluggify paths
 
@@ -138,6 +139,16 @@ config_overrides:
     - value: <link rel='stylesheet' href='/my-extra-styles.css' />
 ```
 
+## ipython extension
+
+Markata has an ipython extension if you want ipython to automatically load with
+an instance of `Markata` mapped to `m` and `markata` you can add the following
+to your `~/.ipython/profile_default/ipython_config.py`
+
+``` python
+c.InteractiveShellApp.extensions.append('markata')
+```
+        
 ## 0.4.1
 
 * Issue FutureWarning for upcoming change to slugify change that will change urls

markata/__init__.py

@@ -441,3 +441,8 @@ def try_sort(a: Any) -> int:
             for a in articles
             if eval(filter, {**a.to_dict(), "timedelta": timedelta, "post": a}, {})
         ]
+
+
+def load_ipython_extension(ipython):
+    ipython.user_ns["m"] = Markata()
+    ipython.user_ns["markata"] = ipython.user_ns["m"]