Plugin architecture

jrnl/plugins/util.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+
+def get_tags_count(journal):
+    """Returns a set of tuples (count, tag) for all tags present in the journal."""
+    # Astute reader: should the following line leave you as puzzled as me the first time
+    # I came across this construction, worry not and embrace the ensuing moment of enlightment.
+    tags = [tag
+            for entry in journal.entries
+            for tag in set(entry.tags)]
+    # To be read: [for entry in journal.entries: for tag in set(entry.tags): tag]
+    tag_counts = set([(tags.count(tag), tag) for tag in tags])
+    return tag_counts