Made it sort of a module, for easier inclusion in other scripts

README.md

@@ -5,6 +5,20 @@ Takes text with unicode emojis on standard input, spits out emojis replaced by
 either classic smileys (`:-)`) or textual variants (`:joy:`) on standard
 output.
 
+Alternatively, `import` it in your script and call `replace_emoji(<string>)`.
+
+For example, start by adding this repo to your project (you're using git, I
+presume):
+```sh
+git submodule add https://git.anduin.net/ltning/emoji_to_smiley.git smiley
+```
+then, in your code
+```python
+from smiley import smiley
+for line in sys.stdin:
+    print(smiley.replace_emoji(line))
+```
+
 Needs
 ```
 pip3.12 install emoji-data-python

smiley.py

@@ -1,9 +1,13 @@
 #!/usr/bin/env python3
 import sys
 import emoji_data_python as ed
+
 emoji_cp = {emoji.unified: emoji for emoji in ed.emoji_data}
 
-for line in sys.stdin:
+def main():
+    pass
+
+def replace_emoji(line):
     for e in list(set(ed.get_emoji_regex().findall(line))):
         hexcp = format(ord(e),'x').upper()
         em = emoji_cp[hexcp]
@@ -15,4 +19,10 @@ for line in sys.stdin:
             line=line.replace(e, ":" + em.short_name + ":")
         else:
             line=line.replace(e, "?")
-    print(line,end='')
+    #print(line,end='')
+    return line.strip()
+
+if __name__ == "__main__":
+    for line in sys.stdin:
+        print(replace_emoji(line))
+