vendor decorate plugin to enable pickling of settings file

.gitignore

@@ -115,3 +115,4 @@ venv.bak/
 test.py
 *.json
 
+homepage/cache

homepage/pelicanconf.py

@@ -1,6 +1,5 @@
 import os
 from datetime import datetime
-from pelican_decorate_content import decorate_content
 # If your site is available via HTTPS, make sure SITEURL begins with https://
 RELATIVE_URLS = False
 
@@ -27,7 +26,8 @@ DEFAULT_PAGINATION = False
 THEME = './theme'
 
 # Delete the output directory before generating new files.
-DELETE_OUTPUT_DIRECTORY = True
+DELETE_OUTPUT_DIRECTORY = False
+CACHE_CONTENT = True
 
 DIRECT_TEMPLATES = ['sitemap', 'archives']
 
@@ -45,7 +45,7 @@ PAGE_SAVE_AS = '{slug}/index.html'
 ARTICLE_SAVE_AS = 'blog/{slug}/index.html'
 
 PLUGIN_PATHS = ['./plugins']
-PLUGINS = [decorate_content, 'assets']
+PLUGINS = ['decorate_content', 'assets']
 
 MARKDOWN = {
     'extension_configs': {

homepage/plugins/decorate_content/__init__.py

@@ -0,0 +1 @@
+from .decorate_content import *

homepage/plugins/decorate_content/decorate_content.py

@@ -0,0 +1,33 @@
+from json import loads
+
+from pelican import signals
+from pelican.contents import Article, Page, Static
+from bs4 import BeautifulSoup
+
+
+def content_object_init(instance):
+    if isinstance(instance, (Article, Page, Static)):
+        plugin_settings = instance.settings.get("DECORATE_CONTENT", {})
+        content_overrides = (
+            instance.metadata.get("decorate_content", None)
+            if instance.metadata is not None
+            else None
+        )
+
+        settings = plugin_settings.copy()
+        settings.update(
+            loads(content_overrides) if content_overrides is not None else {}
+        )
+
+        soup = BeautifulSoup(instance._content, "html.parser")
+
+        for selector, class_names in settings.items():
+            elems = soup.select(selector)
+            for elem in elems:
+                elem["class"] = elem.get("class", []) + class_names
+
+        instance._content = soup.decode()
+
+
+def register():
+    signals.content_object_init.connect(content_object_init)

homepage/requirements.txt

@@ -1,5 +1,4 @@
-pelican==4.0.1
+pelican==4.5.3
 markdown==3.1.1
 git+git://github.com/miracle2k/webassets#d1f3455e383446ca4ab0c644f326ee937e68e809
 beautifulsoup4==4.8.1
-pelican-decorate-content==0.1.1