tag filter

app.py

@@ -41,6 +41,9 @@ def update_feeds(json_file):
             column.set_limit(column_from_file["limit"])
         if "sort_order" in column_from_file:
             column.set_sort_order(column_from_file["sort_order"])
+        if "tag_filter" in column_from_file:
+            column.set_tag_filter(column_from_file["tag_filter"])
+
         column.load_content_from_feeds()
         columns[title] = column.__dict__
     json_file.update(columns)

column.py

@@ -13,6 +13,10 @@ class Column(object):
         self.limit = None
         self.sort_order = None
         self.entries = None
+        self.tag_filter = None
+
+    def set_tag_filter(self, tag_filter):
+        self.tag_filter = tag_filter
 
     def set_sort_order(self, sort_order):
         self.sort_order = sort_order
@@ -55,7 +59,7 @@ class Column(object):
             self.entries.popitem()
 
     def load_content_from_feeds(self):
-        entries = parse_rss_feeds(self.urls)
+        entries = parse_rss_feeds(self.urls, self.tag_filter)
         self.entries = entries
         if self.sort_order:
             self._sort_by_order()

columns.toml

@@ -8,6 +8,7 @@ sort_order = "random"
 urls = ["https://post.lurk.org/@cmos4040.rss"]
 title = "circulations"
 sort_order = "reverse"
+tag_filter = "electronics"
 
 [[column]]
 urls = ["https://post.lurk.org/tags/radio.rss"]

parse_rss_feeds.py

@@ -3,10 +3,12 @@ import random
 from feedparser import parse
 
 
-def parse_single_rss_feed(url, entries):
+def parse_single_rss_feed(url, entries, tag_filter):
     feed = parse(url)
     entrylength = len(entries)
     for entrynumber, entry in enumerate(feed.entries):
+        if tag_filter and not contains_category(entry, tag_filter):
+            continue
         if entry.has_key("title"):
             entries[entry.title] = []
             entrylist = entries[entry.title]
@@ -18,9 +20,16 @@ def parse_single_rss_feed(url, entries):
         entrylist.append(entry.published_parsed)
     return entries
 
+def contains_category(entry, tag_filter):
+    if not entry.has_key("tags"):
+        return False
+    for tag in entry.tags:
+        if tag.term.lower() == tag_filter.lower():
+            return True
+    return False
 
-def parse_rss_feeds(urls):
+def parse_rss_feeds(urls, tag_filter):
     entries = {}
     for url in urls:
-        entries = parse_single_rss_feed(url, entries)
+        entries = parse_single_rss_feed(url, entries, tag_filter)
     return entries