Fix #1696 -- move tagcloud plugin to repo

Signed-off-by: Chris Warrick <kwpolska@gmail.com>

CHANGES.txt

@@ -37,6 +37,8 @@ Bugfixes
 Removed features
 ----------------
 
+* Moved ``tag_cloud_data.json`` generation to a separate
+  ``tagcloud`` plugin (Issue #1696)
 * The ``webassets`` library is no longer required, we now manually
   bundle files (Issue #3074)
 

docs/manual.rst

@@ -174,7 +174,6 @@ Nikola provides the following features:
   * Author pages and feeds (not generated if ``ENABLE_AUTHOR_PAGES`` is set to ``False`` or there is only one author)
   * Archives with custom granularity (yearly or monthly)
   * `Comments`_
-  * Client-side tag clouds (needs manual configuration)
 
 * Static pages (not part of the blog)
 * `Math`_ rendering (via MathJax)
@@ -1035,7 +1034,7 @@ Please note that tags are case-sensitive and that you cannot have two tags that
    ERROR: Nikola: Tag Nikola is used in: posts/second-post.rst
    ERROR: Nikola: Tag nikola is used in: posts/1.rst
 
-You can also generate a tag cloud with the `tx3_tag_cloud <https://plugins.getnikola.com/#tx3_tag_cloud>`_ plugin.
+You can also generate a tag cloud with the `tx3_tag_cloud <https://plugins.getnikola.com/v7/tx3_tag_cloud/>`_ plugin or get a data file for a tag cloud with the `tagcloud <https://plugins.getnikola.com/v7/tagcloud/>`_ plugin.
 
 Categories
 ``````````
@@ -1057,7 +1056,6 @@ There are multiple configuration variables dedicated to each of the two taxonomi
 * ``TAG_DESCRIPTIONS``, ``CATEGORY_DESCRIPTIONS`` to set descriptions for each of the items
 * ``CATEGORY_ALLOW_HIERARCHIES`` and ``CATEGORY_OUTPUT_FLAT_HIERARCHIES`` to allow hierarchical categories
 * ``TAG_PAGES_ARE_INDEXES`` and ``CATEGORY_PAGES_ARE_INDEXES`` to display full-size indexes instead of simple post lists
-* ``WRITE_TAG_CLOUDS`` to enable/disable generating tag cloud files
 * ``HIDDEN_TAGS``. ``HIDDEN_CATEGORIES`` to make some tags/categories invisible in lists
 * ``CATEGORY_DESTPATH_AS_DEFAULT`` to use the destination path as the category if none is specified in the post
 * ``CATEGORY_DESTPATH_TRIM_PREFIX`` to trim the prefix that comes from ``POSTS`` for the destination path

nikola/conf.py.in

@@ -256,9 +256,6 @@ COMPILERS = ${COMPILERS}
 # already contains the text), set this to False.
 # SHOW_BLOG_TITLE = True
 
-# Writes tag cloud data in form of tag_cloud_data.json.
-WRITE_TAG_CLOUD = False
-
 # Paths for different autogenerated bits. These are combined with the
 # translation paths.
 
@@ -300,7 +297,7 @@ WRITE_TAG_CLOUD = False
 # }
 
 # If you do not want to display a tag publicly, you can mark it as hidden.
-# The tag will not be displayed on the tag list page, the tag cloud and posts.
+# The tag will not be displayed on the tag list page and posts.
 # Tag pages will still be generated.
 HIDDEN_TAGS = ['mathjax']
 

nikola/nikola.py

@@ -282,7 +282,7 @@
     "render_archive": ["classify_archive"],
     "render_authors": ["classify_authors"],
     "render_indexes": ["classify_page_index", "classify_sections"],  # "classify_indexes" removed from list (see #2591 and special-case logic below)
-    "render_tags": ["classify_categories", "render_tag_cloud", "classify_tags"],
+    "render_tags": ["classify_categories", "classify_tags"],
 }
 
 
@@ -540,7 +540,6 @@ def __init__(self, **config):
             'USE_TAG_METADATA': True,
             'TIMEZONE': 'UTC',
             'WARN_ABOUT_TAG_METADATA': True,
-            'WRITE_TAG_CLOUD': False,
             'DEPLOY_DRAFTS': True,
             'DEPLOY_FUTURE': False,
             'SCHEDULE_ALL': False,