Cache things to speed up the program

discord_rss_bot/custom_filters.py

@@ -1,4 +1,5 @@
 import urllib.parse
+from functools import lru_cache
 
 import html2text
 from loguru import logger
@@ -12,6 +13,7 @@ from discord_rss_bot.settings import get_reader
 reader: Reader = get_reader()
 
 
+@lru_cache()
 def encode_url(url_to_quote: str) -> str:
     """%-escape the URL so it can be used in a URL.
 
@@ -61,6 +63,7 @@ def entry_is_blacklisted(entry_to_check: Entry) -> bool:
     return bool(has_black_tags(reader, entry_to_check.feed) and should_be_skipped(reader, entry_to_check))
 
 
+@lru_cache()
 def convert_to_md(thing: str) -> str:
     """Discord does not support tables so we need to remove them from the markdown."""
     logger.debug(f"Converting {thing} to markdown.")

discord_rss_bot/custom_message.py

@@ -1,4 +1,5 @@
 import re
+from functools import lru_cache
 
 from loguru import logger
 from reader import Entry, Feed, Reader, TagNotFoundError
@@ -28,6 +29,7 @@ def get_images_from_entry(entry: Entry, summary: bool = False) -> list[str]:
     return re.findall(image_regex, convert_to_md(entry.content[0].value)) if entry.content else []
 
 
+@lru_cache()
 def try_to_replace(custom_message: str, template: str, replace_with: str) -> str:
     """Try to replace a tag in custom_message.
 
@@ -56,6 +58,7 @@ def try_to_replace(custom_message: str, template: str, replace_with: str) -> str
         return custom_message
 
 
+@lru_cache()
 def remove_image_tags(message: str) -> str:
     """Remove image tags from message.
 

discord_rss_bot/settings.py

@@ -1,4 +1,5 @@
 import os
+from functools import lru_cache
 
 from loguru import logger
 from platformdirs import user_data_dir
@@ -38,6 +39,7 @@ def get_webhook_for_entry(custom_reader: Reader, entry: Entry) -> str:
     return webhook_url
 
 
+@lru_cache()
 def get_db_location(custom_location: str = "") -> str:
     """Where we store the database file.
 
@@ -55,6 +57,7 @@ def get_db_location(custom_location: str = "") -> str:
     return db_loc
 
 
+@lru_cache()
 def get_reader(custom_location: str = "") -> Reader:
     """Get the reader.