From 23bc4509bf5a25b8157cd1ea66b7a0cd5ee84f4f Mon Sep 17 00:00:00 2001
From: lifegpc <root@lifegpc.com>
Date: Sun, 9 Nov 2025 23:43:50 +0800
Subject: [PATCH] Add dltxt2m3t.py

---
 dltxt2m3t.py | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 dltxt2m3t.py

diff --git a/dltxt2m3t.py b/dltxt2m3t.py
new file mode 100644
index 0000000..8c34d45
--- /dev/null
+++ b/dltxt2m3t.py
@@ -0,0 +1,89 @@
+import os
+
+def save_m3t(m3t_path, mes):
+    with open(m3t_path, "w", encoding="utf-8") as f:
+        for m in mes:
+            if 'name' in m:
+                f.write("○ NAME: {}\n\n".format(m["name"]))
+            f.write("○ {}\n".format(m["ori"]))
+            if 'llm' in m:
+                f.write("△ {}\n".format(m["llm"]))
+            if 'dst_name' in m:
+                f.write("○ NAME: {}\n\n".format(m["dst_name"]))
+            if m['dst']:
+                f.write("● {}\n".format(m["dst"]))
+            else:
+                f.write("●\n")
+            f.write("\n")
+
+
+def load_dltxt(dltxt_path):
+    mes = []
+    name = None
+    ori = None
+    line_num = 0
+    for line in open(dltxt_path, "r", encoding="utf-8"):
+        if line_num == 0:
+            line = line.lstrip("\ufeff")
+        line_num += 1
+        line = line.strip()
+        if line.startswith("○"):
+            oris = line[1:].strip().split("○", 1)
+            if len(oris) == 1:
+                raise ValueError("Invalid format: missing ○ after ○.")
+            names = oris[0].split("|")
+            if len(names) != 2:
+                raise ValueError("Invalid format: expected exactly one | in the name section.")
+            name = names[1].strip()
+            if name == "V.O.":
+                name = None
+            ori = oris[1].strip()
+        elif line.startswith("●"):
+            dsts = line[1:].strip().split("●", 1)
+            if len(dsts) == 1:
+                raise ValueError("Invalid format: missing ● after ●.")
+            dst_names = dsts[0].split("|")
+            if len(dst_names) != 2:
+                raise ValueError("Invalid format: expected exactly one | in the dst section.")
+            dst_name = dst_names[1].strip()
+            if dst_name == "V.O.":
+                dst_name = None
+            dst = dsts[1].strip()
+            if ori is None:
+                raise ValueError(f"Invalid format: found ● before ○ on line {line_num}.")
+            target = {
+                "ori": ori,
+                "dst": dst,
+            }
+            if name is not None:
+                target["name"] = name
+            if dst_name is not None:
+                target["dst_name"] = dst_name
+            name = None
+            ori = None
+            mes.append(target)
+    return mes
+
+
+def process_recursive(dltxt_path, m3t_path):
+    for root, dirs, files in os.walk(dltxt_path):
+        rel_dir = os.path.relpath(root, dltxt_path)
+        target_dir = os.path.join(m3t_path, rel_dir)
+        os.makedirs(target_dir, exist_ok=True)
+        for file in files:
+            ori = os.path.join(root, file)
+            print("Processing:", ori)
+            mes = load_dltxt(ori)
+            save_m3t(os.path.join(target_dir, os.path.splitext(file)[0] + '.m3t'), mes)
+
+
+if __name__ == "__main__":
+    import sys
+    dltxt_path = sys.argv[1]
+    m3t_path = sys.argv[2]
+    if os.path.isdir(dltxt_path):
+        process_recursive(dltxt_path, m3t_path)
+    else:
+        mes = load_dltxt(dltxt_path)
+        save_m3t(m3t_path, mes)
+