parser support for voice file name

ks_parse/__main__.py

@@ -7,26 +7,28 @@ from pathlib import Path
 import json
 
 
-def parse_file(ks_path: Path, stype: str):
+def parse_file(ks_path: Path, output_base: Path, stype: str, voice: bool = False):
     ks_name = f"{ks_path.parent.name}/{ks_path.stem}"
 
-    output_base = Path("./scenario")
     output_base.mkdir(exist_ok=True)
     (output_base / ks_path.parent.name).mkdir(exist_ok=True)
 
     with ks_path.open("r") as fi:
-        chapters = parse(fi, stype)
+        chapters = parse(fi, stype, voice)
         for i, ch in enumerate(chapters):
             with (output_base / f"{ks_name}-{i:02d}.jsonl").open("w") as fo:
                 json.dump({"title": ch.title}, fo, ensure_ascii=False)
                 print(file=fo)
                 for utt in ch.content:
-                    json.dump(asdict(utt), fo, ensure_ascii=False)
+                    uttd = asdict(utt, filter=lambda _, v: v is not None)
+                    json.dump(uttd, fo, ensure_ascii=False)
                     print(file=fo)
 
 
 if __name__ == "__main__":
-    if len(argv) != 3:
-        print(f"Usage: python -m {__package__} path/to/script.ks novel|adv")
+    if len(argv) != 4:
+        print(
+            f"Usage: python -m {__package__} path/to/script.ks path/to/output/base novel|adv"
+        )
         exit(1)
-    parse_file(Path(argv[1]), argv[2])
+    parse_file(Path(argv[1]), Path(argv[2]), argv[3])

ks_parse/chapter.py

@@ -4,14 +4,15 @@ from attrs import define
 import re
 from typing import Iterable, Callable
 
-TAG = re.compile(r"\[(.+?)\]")
-# I hope there are no nested tags in the script...
+TAG = re.compile(r"\[(.+?)\]")  # I hope there are no nested tags in the script...
+TAG_FILENAME = re.compile(r"file=(.+)\b")
 
 
 @define
 class Utterance:
     speaker: str
     text: str
+    voice: str | None = None
 
 
 @define
@@ -20,10 +21,17 @@ class Chapter:
     content: Iterable[Utterance]
 
 
-type ChapterParser = Callable[[Iterable[str]], Iterable[Utterance]]
+type ChapterParser = Callable[[Iterable[str], bool], Iterable[Utterance]]
 
 
 def clean_tag(line: str) -> str:
     line = TAG.sub("", line.strip())
     line = line.replace("　", "")  # Remove full-width spaces
     return line
+
+
+def get_tag_filename(tag: str) -> str:
+    match = TAG_FILENAME.search(tag)
+    if match:
+        return match.group(1)
+    raise ValueError(f"Tag line {tag} does not contain a filename")

ks_parse/chapter_adv.py

@@ -1,4 +1,4 @@
-from .chapter import Utterance, clean_tag
+from .chapter import Utterance, clean_tag, get_tag_filename
 
 import re
 from typing import Iterable
@@ -6,7 +6,7 @@ from typing import Iterable
 TAG_SPEAKER = re.compile(r"\[speaker name=\"(.+)\"\]")
 
 
-def parse(lines: Iterable[str]) -> Iterable[Utterance]:
+def parse(lines: Iterable[str], voice: bool = False) -> Iterable[Utterance]:
     """Parsing Kirikiri2 script chapters of newer format,
     which are distinguished by the presence of a `[startadv]` tag.
 
@@ -20,9 +20,12 @@ def parse(lines: Iterable[str]) -> Iterable[Utterance]:
 
     speaker = None
     scene_change = False
+    voice_fname = None
     for line in lines:
         if line.startswith(";"):
             continue
+        if voice and "[voice" in line:
+            voice_fname = get_tag_filename(line)
         if line.startswith("[speaker"):
             match = TAG_SPEAKER.search(line)
             if match is None:
@@ -42,8 +45,9 @@ def parse(lines: Iterable[str]) -> Iterable[Utterance]:
                 line += "」"
 
         if speaker is not None:
-            yield Utterance(speaker=speaker, text=line)
+            yield Utterance(speaker=speaker, text=line, voice=voice_fname)
             speaker = None
+            voice_fname = None
         else:
             yield Utterance(speaker="narrator", text=line)
         if scene_change:

ks_parse/chapter_novel.py

@@ -1,9 +1,9 @@
-from .chapter import Utterance, clean_tag
+from .chapter import Utterance, clean_tag, get_tag_filename
 
 from typing import Iterable
 
 
-def parse(lines: Iterable[str]) -> Iterable[Utterance]:
+def parse(lines: Iterable[str], voice: bool = False) -> Iterable[Utterance]:
     """Parsing Kirikiri2 script chapters of older format,
     which are distinguished by the presence of a `[startnovel]` tag.
 
@@ -16,11 +16,14 @@ def parse(lines: Iterable[str]) -> Iterable[Utterance]:
 
     heroine_line = False
     scene_change = False
+    voice_fname = None
     for line in lines:
         if line.startswith(";"):
             continue
         if "[voice" in line:
             heroine_line = True
+            if voice:
+                voice_fname = get_tag_filename(line)
             continue
         scene_change |= "[msgv]" in line
 
@@ -32,9 +35,12 @@ def parse(lines: Iterable[str]) -> Iterable[Utterance]:
 
         if line.startswith("「"):
             yield Utterance(
-                speaker="heroine" if heroine_line else "protagonist", text=line
+                speaker="heroine" if heroine_line else "protagonist",
+                text=line,
+                voice=voice_fname,
             )
             heroine_line = False
+            voice_fname = None
         else:
             yield Utterance(speaker="narrator", text=line)
         if scene_change:

ks_parse/ks.py

@@ -5,7 +5,7 @@ from .chapter_adv import parse as parse_chapter_adv
 from typing import Iterable
 
 
-def parse(lines: Iterable[str], stype: str) -> Iterable[Chapter]:
+def parse(lines: Iterable[str], stype: str, voice: bool = False) -> Iterable[Chapter]:
     """Entry point for parsing Kirikiri2 scripts"""
 
     cparser: ChapterParser
@@ -31,6 +31,6 @@ def parse(lines: Iterable[str], stype: str) -> Iterable[Chapter]:
             chunk.append(line)
         else:
             eof = True
-        ch.content = cparser(chunk)
+        ch.content = cparser(chunk, voice)
         chunk = []
         yield ch

script/ogg2wav.zsh

@@ -0,0 +1,10 @@
+#!/usr/bin/env zsh
+
+BASE=$1
+DEST=$2
+
+mkdir -p $DEST
+
+for f in $BASE/*.ogg; do
+	ffmpeg -hide_banner -loglevel error -nostats -acodec libvorbis -i $f -acodec pcm_s16le "$DEST/$f:t:r".wav
+done