modules: Made text_replacements and dynamic_tags optional

Author: hmlendea

.gitignore

@@ -1,6 +1,8 @@
 config.json
 tests.py
 test.sh
+dynamic_tags.py
+text_replacements.py
 
 *.secret
 *.db

dynamic_tags.py

@@ -13,9 +13,6 @@
 import urllib.request
 from bs4 import BeautifulSoup
 
-import text_replacements
-import dynamic_tags
-
 from fake_useragent import UserAgent
 
 from config import (
@@ -27,9 +24,12 @@
     MAXIMUM_TOOTS_COUNT,
 )
 
-from utils import determine_content_language
+from utils import determine_content_language, try_import
 from database import init_db, get_last_entry_posted, save_posted_entry
 
+dynamic_tags = try_import("dynamic_tags.py", "dynamic_tags")
+text_replacements = try_import("text_replacements.py", "text_replacements")
+
 def parse_args():
     parser = argparse.ArgumentParser(description="Mastodon RSS Bot")
     parser.add_argument("--rss", help="RSS feed URL")
@@ -161,7 +161,11 @@ def parse_args():
             raise ValueError('The title is missing')
 
         toot_language = determine_content_language(feed_entry_title)
-        toot_body = text_replacements.apply(feed_entry_title, toot_language)
+
+        if text_replacements:
+            toot_body = text_replacements.apply(feed_entry_title, toot_language)
+        else:
+            toot_body = feed_entry_title
 
         media_urls = []
         media_urls_posted = []
@@ -248,11 +252,8 @@ def parse_args():
         if INCLUDE_AUTHOR and 'authors' in feed_entry:
             toot_body += '\nby ' + feed_entry.authors[0].name
 
-        all_tags_to_add = ''
-        dynamic_tags_to_add = dynamic_tags.get(toot_body, toot_language)
-
-        if tags_to_add: all_tags_to_add += ' ' + tags_to_add
-        if dynamic_tags_to_add: all_tags_to_add += ' ' + dynamic_tags_to_add
+        all_tags_to_add = tags_to_add
+        if dynamic_tags: all_tags_to_add += ' ' + dynamic_tags.get(toot_body, toot_language)
 
         if all_tags_to_add != '':
             filtered_tags_to_add = ''

main.py

@@ -1,3 +1,6 @@
+import importlib.util
+import os
+
 def determine_content_language(text):
     language = 'en'
 
@@ -24,4 +27,15 @@ def determine_content_language(text):
         'interzis' in text):
         language = 'ro'
 
-    return language
+    return language
+
+
+def try_import(filepath, module_name):
+    if not os.path.exists(filepath):
+        return None
+
+    spec = importlib.util.spec_from_file_location(module_name, filepath)
+    module = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(module)
+
+    return module