From fd6aed5b141aaf39b1f2a0e6469d342f014eee48 Mon Sep 17 00:00:00 2001
From: Nitsud Yarg <relay01@gmail.com>
Date: Mon, 22 Jun 2026 20:17:48 -0700
Subject: [PATCH] what was this again.

---
 ass_furigana.py | 138 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 ass_furigana.py

diff --git a/ass_furigana.py b/ass_furigana.py
new file mode 100644
index 0000000..18741da
--- /dev/null
+++ b/ass_furigana.py
@@ -0,0 +1,138 @@
+import re
+from pathlib import Path
+from math import ceil
+#import tkinter as tk
+#from tkinter.filedialog import askopenfilename
+from pykakasi import kakasi
+
+KANJI_RE = r"[㐀-䶵一-鿋豈-頻]"
+NOT_KANJI_RE = r"[^㐀-䶵一-鿋豈-頻]"
+K_TIME_RE = r"(\{\\k\d+})"
+
+
+# open a window for choosing file
+def choose_file():
+    #root = tk.Tk()
+    #root.withdraw()
+    #file_path = askopenfilename()
+    file_path = '/run/media/deck/YF8SD/Video/Yu-Gi-Oh! Duel Monsters/test.ass'
+    if not file_path:
+        print("No file is chosen. Exit.")
+        exit()
+    return Path(file_path)
+
+
+# create a dictionary mapping kanji to hiragana
+def get_furi(word):
+    print(word['orig'])
+    # simple deletion of the following hiraganas
+    for i in range(-1, (-1*len(word["orig"]) - 1), -1):
+        if word["orig"][i] != word["hira"][i]:
+            i += 1
+            if i != 0:
+                word["hira"] = word["hira"][:i]
+            break
+    
+    # create kanji - hiragana mapping
+    # initialize
+    furi_dict = {}
+    word_kanjis = re.findall(KANJI_RE, word["orig"])
+    if not word_kanjis:
+        return furi_dict
+    
+    # evenly assign hiraganas to each kanji
+    furi_length = ceil(len(word["hira"]) / len(word_kanjis))
+    for i, kanji in enumerate(word_kanjis):
+        start = i * furi_length
+        end = start + furi_length
+        furi_dict[kanji] = word["hira"][start:end]
+    return furi_dict
+
+def has_japanese(text: str) -> bool:
+    return any(
+        0x3040 <= ord(ch) <= 0x30FF or
+        0x3400 <= ord(ch) <= 0x9FFF
+        for ch in text
+    )
+
+
+# process a line in ass file
+def process_line(ass_line, kks_obj):
+    ass_line_items = ass_line.split(",")
+    text = ass_line_items[-1]
+    text_items = re.split(K_TIME_RE, text)
+
+    lyric = re.sub(K_TIME_RE, "", text)
+    kks_res = kks_obj.convert(lyric)
+    cur_word = kks_res.pop(0)
+    cur_word_end = len(cur_word["orig"])
+    cur_pos = 0
+    processed_items = []
+    for item in text_items:
+        # if current position reach the end of current word, then get next word
+        while cur_pos >= cur_word_end:
+            cur_word = kks_res.pop(0)
+            cur_word_end += len(cur_word["orig"])
+        
+        # is japanese?
+        # if has_japanese(item) == False:
+        #     processed_items.append(item)
+        #     continue
+
+        # item is not in the lyric, which means item is k_time
+        if item not in lyric:
+            processed_items.append(item)
+            continue
+
+        # item is in the lyric, but it does not contain any kanji
+        if not re.search(KANJI_RE, item):
+            processed_items.append(item)
+            cur_pos += len(item)
+            continue
+
+        # item contains kanji
+        char_add_furi = []
+        cur_furi = get_furi(cur_word)
+        for char in item:
+            if cur_pos >= cur_word_end:
+                cur_word = kks_res.pop(0)
+                cur_furi = get_furi(cur_word)
+                cur_word_end += len(cur_word["orig"])
+            if re.match(KANJI_RE, char):
+                char_add_furi.append(f"{char}|<{cur_furi[char]}")
+            else:
+                char_add_furi.append(char)
+            cur_pos += 1
+
+        # calculate and add k_time for each character
+        item_k_time = re.search(r"\d+", processed_items[-1])
+        item_k_time = int(item_k_time.group(0))
+        time_each, time_mod = divmod(item_k_time, len(item))
+        processed_items[-1] = r"{\k%s}" % (time_each + time_mod)
+        char_k_time = r"{\k%s}" % time_each
+        item_add_furi = char_k_time.join(char_add_furi)
+        processed_items.append(item_add_furi)
+
+    processed_text = "".join(processed_items)
+    ass_line = ass_line_items[:-1]
+    ass_line.append(processed_text)
+    return ",".join(ass_line)
+
+
+if __name__ == "__main__":
+    # chooose the input file
+    input_path = choose_file()
+    ass = open(input_path, "r", encoding="utf-8")
+    output_path = input_path.with_stem(input_path.stem + "_furigana")
+    ass_furi = open(output_path, "w", encoding="utf-8")
+    
+    # process each line
+    kks = kakasi()
+    for line in ass:
+        if not line.startswith("Dialogue: "):
+            ass_furi.write(line)
+        else:
+            ass_furi.write(process_line(line, kks))
+
+    ass.close()
+    ass_furi.close()