mirror of
https://github.com/TaterTotterson/microWakeWord-Trainer-Nvidia-Docker.git
synced 2026-06-12 20:10:19 -06:00
cli + web recorder ui
This commit is contained in:
MasterPhooey
593
recorder_server.py
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593
recorder_server.py
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@@ -0,0 +1,593 @@
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# recorder_server.py
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import os
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import re
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import subprocess
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import threading
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from pathlib import Path
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from typing import Dict, Any, List, Optional, Tuple
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from fastapi import FastAPI, UploadFile, File, Form, Query
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from fastapi.responses import HTMLResponse, JSONResponse
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from fastapi.staticfiles import StaticFiles
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ROOT_DIR = Path(__file__).resolve().parent
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# In Docker CLI world, DATA_DIR should be /data
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DATA_DIR = Path(os.environ.get("DATA_DIR", "/data")).resolve()
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# UI files live next to this script by default
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STATIC_DIR = Path(os.environ.get("STATIC_DIR", str(ROOT_DIR / "static"))).resolve()
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# Personal samples MUST land in /data/personal_samples for your CLI pipeline
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PERSONAL_DIR = Path(os.environ.get("PERSONAL_DIR", str(DATA_DIR / "personal_samples"))).resolve()
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# CLI folder inside repo
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CLI_DIR = Path(os.environ.get("CLI_DIR", str(ROOT_DIR / "cli"))).resolve()
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# If you want cleanup defaults for auto dataset setup, set these env vars:
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# REC_DATASET_CLEANUP_ARCHIVES=true/false
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# REC_DATASET_CLEANUP_INTERMEDIATE_FILES=true/false
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DATASET_CLEANUP_ARCHIVES = os.environ.get("REC_DATASET_CLEANUP_ARCHIVES", "false").lower() in ("1", "true", "yes", "y")
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DATASET_CLEANUP_INTERMEDIATE = os.environ.get("REC_DATASET_CLEANUP_INTERMEDIATE_FILES", "false").lower() in ("1", "true", "yes", "y")
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# We want "Start training" to trigger your CLI entrypoint, using the existing venv
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# (train_wake_word should be in /data/.venv/bin via setup_python_venv)
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TRAIN_CMD = os.environ.get(
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"TRAIN_CMD",
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f"source '{DATA_DIR}/.venv/bin/activate' && train_wake_word --data-dir '{DATA_DIR}'"
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)
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TAKES_PER_SPEAKER_DEFAULT = int(os.environ.get("REC_TAKES_PER_SPEAKER", "10"))
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SPEAKERS_TOTAL_DEFAULT = int(os.environ.get("REC_SPEAKERS_TOTAL", "1"))
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# How many lines to show in WebUI (tail)
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TRAIN_LOG_TAIL_LINES = int(os.environ.get("REC_TRAIN_LOG_TAIL_LINES", "400"))
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# If you prefer bytes-based tailing (fast), keep this non-zero.
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TRAIN_LOG_MAX_BYTES = int(os.environ.get("REC_TRAIN_LOG_MAX_BYTES", str(512 * 1024))) # 512KB
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app = FastAPI(title="microWakeWord Personal Recorder")
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# Serve static UI
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STATIC_DIR.mkdir(parents=True, exist_ok=True)
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app.mount("/static", StaticFiles(directory=str(STATIC_DIR)), name="static")
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def safe_name(raw: str) -> str:
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s = (raw or "").strip().lower()
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s = re.sub(r"\s+", "_", s)
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s = re.sub(r"[^a-z0-9_]+", "", s)
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s = re.sub(r"^_+|_+$", "", s)
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return s or "wakeword"
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# -------------------- In-memory session state --------------------
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STATE: Dict[str, Any] = {
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"raw_phrase": None,
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"safe_word": None,
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"speakers_total": SPEAKERS_TOTAL_DEFAULT,
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"takes_per_speaker": TAKES_PER_SPEAKER_DEFAULT,
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"takes_received": 0,
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"takes": [],
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"training": {
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"running": False,
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"exit_code": None,
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"log_lines": [], # legacy in-memory tail (still maintained)
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"log_path": None, # path to recorder_training.log
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"safe_word": None,
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# NEW: byte offset for efficient log tailing
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"log_offset": 0,
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},
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}
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STATE_LOCK = threading.Lock()
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def _reset_personal_samples_dir():
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PERSONAL_DIR.mkdir(parents=True, exist_ok=True)
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for p in PERSONAL_DIR.glob("*.wav"):
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try:
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p.unlink()
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except Exception:
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pass
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def _append_train_log(line: str):
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line = (line or "").rstrip("\n")
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with STATE_LOCK:
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buf: List[str] = STATE["training"]["log_lines"]
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buf.append(line)
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if len(buf) > 250:
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del buf[: (len(buf) - 250)]
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def _title_from_phrase(raw_phrase: str) -> str:
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# Keep it human-friendly for the optional <wake_word_title> argument
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s = re.sub(r"[^a-zA-Z0-9 ]+", " ", raw_phrase or "").strip()
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s = re.sub(r"\s+", " ", s)
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return s.title() if s else ""
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def _run_streamed(
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cmd: List[str],
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cwd: Path,
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log_path: Path,
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header: Optional[str] = None,
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env: Optional[Dict[str, str]] = None,
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) -> int:
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"""
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Run a command streaming stdout/stderr to both:
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- recorder_training.log (disk)
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- STATE["training"]["log_lines"] (UI) [best-effort]
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Returns process exit code.
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"""
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if header:
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_append_train_log(header)
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_append_train_log("→ " + " ".join(cmd))
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with open(log_path, "a", encoding="utf-8") as lf:
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lf.write("\n" + ("=" * 80) + "\n")
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if header:
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lf.write(header + "\n")
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lf.write("→ " + " ".join(cmd) + "\n")
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lf.flush()
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proc = subprocess.Popen(
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cmd,
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cwd=str(cwd),
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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text=True,
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bufsize=1,
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env=env,
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)
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assert proc.stdout is not None
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for line in proc.stdout:
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lf.write(line)
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lf.flush()
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_append_train_log(line)
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return proc.wait()
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def _ensure_training_venv(log_path: Path) -> None:
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"""
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Ensure /data/.venv exists by running cli/setup_python_venv if needed.
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"""
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activate = DATA_DIR / ".venv" / "bin" / "activate"
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if activate.exists():
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_append_train_log("✅ Training venv found (skipping setup_python_venv)")
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return
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setup = CLI_DIR / "setup_python_venv"
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if not setup.exists():
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raise RuntimeError(f"Missing setup_python_venv at: {setup}")
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rc = _run_streamed(
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["bash", "-lc", f"cd '{DATA_DIR}' && '{setup}' --data-dir='{DATA_DIR}'"],
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cwd=DATA_DIR,
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log_path=log_path,
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header="===== Ensuring Python venv (/data/.venv) =====",
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)
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if rc != 0:
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raise RuntimeError(f"setup_python_venv failed (exit_code={rc})")
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if not activate.exists():
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raise RuntimeError(f"setup_python_venv finished, but {activate} is still missing")
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def _ensure_training_datasets(log_path: Path) -> None:
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"""
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Always run setup_training_datasets before training.
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The underlying scripts should skip work when already done.
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"""
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setup = CLI_DIR / "setup_training_datasets"
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if not setup.exists():
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raise RuntimeError(f"Missing setup_training_datasets at: {setup}")
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cleanup_arch = "true" if DATASET_CLEANUP_ARCHIVES else "false"
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cleanup_inter = "true" if DATASET_CLEANUP_INTERMEDIATE else "false"
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cmd = [
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"bash",
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"-lc",
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(
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f"cd '{DATA_DIR}' && "
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f"'{setup}' "
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f"--cleanup-archives='{cleanup_arch}' "
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f"--cleanup-intermediate-files='{cleanup_inter}' "
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f"--data-dir='{DATA_DIR}'"
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),
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]
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rc = _run_streamed(
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cmd,
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cwd=DATA_DIR,
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log_path=log_path,
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header="===== Ensuring training datasets (setup_training_datasets) =====",
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)
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if rc != 0:
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raise RuntimeError(f"setup_training_datasets failed (exit_code={rc})")
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def _read_log_tail_by_bytes(log_path: Path, max_bytes: int) -> str:
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"""
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Read up to the last max_bytes from a file (UTF-8 best effort).
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"""
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if not log_path.exists():
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return ""
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try:
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size = log_path.stat().st_size
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start = max(0, size - max_bytes)
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with open(log_path, "rb") as f:
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f.seek(start)
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data = f.read()
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# If we started in the middle of a line, it's ok; UI will show partial.
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return data.decode("utf-8", errors="replace")
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except Exception:
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return ""
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def _read_log_tail_by_lines(log_path: Path, max_lines: int) -> str:
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"""
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Read last N lines of a file (simple, may be slower on huge files).
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"""
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if not log_path.exists():
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return ""
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try:
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# Read by bytes limited first, then line-tail
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raw = _read_log_tail_by_bytes(log_path, TRAIN_LOG_MAX_BYTES)
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if not raw:
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return ""
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lines = raw.splitlines()
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if len(lines) <= max_lines:
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return "\n".join(lines)
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return "\n".join(lines[-max_lines:])
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except Exception:
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return ""
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def _read_log_since_offset(log_path: Path, offset: int, max_bytes: int = 256 * 1024) -> Tuple[str, int]:
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"""
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Read log file incrementally starting from `offset`.
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Returns (new_text, new_offset). Caps bytes read per call.
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"""
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if not log_path.exists():
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return ("", offset)
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try:
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size = log_path.stat().st_size
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# If file rotated/truncated, reset offset
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if offset > size:
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offset = 0
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with open(log_path, "rb") as f:
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f.seek(offset)
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data = f.read(max_bytes)
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new_offset = offset + len(data)
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text = data.decode("utf-8", errors="replace")
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return (text, new_offset)
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except Exception:
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return ("", offset)
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def _run_training_background(safe_word: str, allow_no_personal: bool):
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with STATE_LOCK:
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raw_phrase = STATE.get("raw_phrase") or ""
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wake_word_title = _title_from_phrase(raw_phrase)
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with STATE_LOCK:
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STATE["training"]["running"] = True
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STATE["training"]["exit_code"] = None
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STATE["training"]["log_lines"] = []
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STATE["training"]["safe_word"] = safe_word
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log_path = Path(str(DATA_DIR / "recorder_training.log"))
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STATE["training"]["log_path"] = str(log_path)
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STATE["training"]["log_offset"] = 0
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# fresh header at the start of a run
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_append_train_log("================================================================================")
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_append_train_log("===== Recorder Training Run =====")
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_append_train_log("================================================================================")
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# Ensure the log exists and starts cleanly with a header separator for this run
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try:
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with open(log_path, "a", encoding="utf-8") as lf:
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lf.write("\n" + ("=" * 80) + "\n")
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lf.write("===== Recorder Training Run =====\n")
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lf.write(("=" * 80) + "\n")
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lf.flush()
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except Exception:
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pass
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try:
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# 1) Ensure venv (auto-installs)
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_ensure_training_venv(log_path)
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# 2) Ensure datasets (auto-installs / skips if already present)
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_ensure_training_datasets(log_path)
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# 3) Run training
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if wake_word_title:
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cmd_str = f"{TRAIN_CMD} '{safe_word}' '{wake_word_title}'"
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else:
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cmd_str = f"{TRAIN_CMD} '{safe_word}'"
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env = os.environ.copy()
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env["MWW_ALLOW_NO_PERSONAL"] = "true" if allow_no_personal else "false"
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_append_train_log("===== Training (train_wake_word) =====")
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_append_train_log(f"→ Running: {cmd_str}")
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with open(log_path, "a", encoding="utf-8") as lf:
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proc = subprocess.Popen(
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["bash", "-lc", cmd_str],
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cwd=str(DATA_DIR),
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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text=True,
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bufsize=1,
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env=env,
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)
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assert proc.stdout is not None
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for line in proc.stdout:
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lf.write(line)
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lf.flush()
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_append_train_log(line)
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rc = proc.wait()
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_append_train_log(f"✓ Training finished (exit_code={rc})")
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with STATE_LOCK:
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STATE["training"]["exit_code"] = rc
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except Exception as e:
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_append_train_log(f"✗ Training crashed: {e!r}")
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with STATE_LOCK:
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STATE["training"]["exit_code"] = 999
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finally:
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with STATE_LOCK:
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STATE["training"]["running"] = False
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# -------------------- Routes --------------------
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@app.get("/", response_class=HTMLResponse)
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def index():
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html_path = STATIC_DIR / "index.html"
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if not html_path.exists():
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return HTMLResponse(
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"<h3>Missing UI</h3><p>Create <code>static/index.html</code>.</p>",
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status_code=500,
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)
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return HTMLResponse(html_path.read_text(encoding="utf-8"))
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@app.post("/api/start_session")
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def start_session(payload: Dict[str, Any]):
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raw = (payload.get("phrase") or "").strip()
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if not raw:
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return JSONResponse({"ok": False, "error": "phrase is required"}, status_code=400)
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safe = safe_name(raw)
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speakers_total = int(payload.get("speakers_total") or SPEAKERS_TOTAL_DEFAULT)
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takes_per_speaker = int(payload.get("takes_per_speaker") or TAKES_PER_SPEAKER_DEFAULT)
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speakers_total = max(1, min(10, speakers_total))
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takes_per_speaker = max(1, min(50, takes_per_speaker))
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with STATE_LOCK:
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STATE["raw_phrase"] = raw
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STATE["safe_word"] = safe
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STATE["speakers_total"] = speakers_total
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STATE["takes_per_speaker"] = takes_per_speaker
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STATE["takes_received"] = 0
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STATE["takes"] = []
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# do not interrupt training if running
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_reset_personal_samples_dir()
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return {
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"ok": True,
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"raw_phrase": raw,
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"safe_word": safe,
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"speakers_total": speakers_total,
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"takes_per_speaker": takes_per_speaker,
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"takes_total": speakers_total * takes_per_speaker,
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"personal_dir": str(PERSONAL_DIR),
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"data_dir": str(DATA_DIR),
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}
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@app.get("/api/session")
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def get_session():
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with STATE_LOCK:
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return {
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"ok": True,
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"raw_phrase": STATE["raw_phrase"],
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"safe_word": STATE["safe_word"],
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"speakers_total": STATE["speakers_total"],
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"takes_per_speaker": STATE["takes_per_speaker"],
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"takes_received": STATE["takes_received"],
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"takes": list(STATE["takes"]),
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"training": dict(STATE["training"]),
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}
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@app.post("/api/upload_take")
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async def upload_take(
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speaker_index: int = Form(...),
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take_index: int = Form(...),
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file: UploadFile = File(...),
|
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):
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with STATE_LOCK:
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safe_word = STATE["safe_word"]
|
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speakers_total = int(STATE["speakers_total"])
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takes_per_speaker = int(STATE["takes_per_speaker"])
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if not safe_word:
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return JSONResponse({"ok": False, "error": "No active session. Call /api/start_session first."}, status_code=400)
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if speaker_index < 1 or speaker_index > speakers_total:
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return JSONResponse({"ok": False, "error": f"speaker_index must be 1..{speakers_total}"}, status_code=400)
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if take_index < 1 or take_index > takes_per_speaker:
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return JSONResponse({"ok": False, "error": f"take_index must be 1..{takes_per_speaker}"}, status_code=400)
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PERSONAL_DIR.mkdir(parents=True, exist_ok=True)
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out_name = f"speaker{speaker_index:02d}_take{take_index:02d}.wav"
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out_path = PERSONAL_DIR / out_name
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data = await file.read()
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if not data or len(data) < 44:
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return JSONResponse({"ok": False, "error": "Empty/invalid file"}, status_code=400)
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out_path.write_bytes(data)
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with STATE_LOCK:
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if out_name not in STATE["takes"]:
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STATE["takes"].append(out_name)
|
||||
STATE["takes_received"] = len(STATE["takes"])
|
||||
|
||||
return {"ok": True, "saved_as": out_name, "takes_received": STATE["takes_received"]}
|
||||
|
||||
|
||||
@app.post("/api/train")
|
||||
def train_now(payload: Dict[str, Any] = None):
|
||||
payload = payload or {}
|
||||
allow_no_personal = bool(payload.get("allow_no_personal", False))
|
||||
|
||||
with STATE_LOCK:
|
||||
safe_word = STATE["safe_word"]
|
||||
takes_received = int(STATE["takes_received"])
|
||||
speakers_total = int(STATE["speakers_total"])
|
||||
takes_per_speaker = int(STATE["takes_per_speaker"])
|
||||
training_running = bool(STATE["training"]["running"])
|
||||
|
||||
takes_total = speakers_total * takes_per_speaker
|
||||
|
||||
if training_running:
|
||||
return JSONResponse({"ok": False, "error": "Training already running"}, status_code=400)
|
||||
|
||||
if not safe_word:
|
||||
return JSONResponse({"ok": False, "error": "No active session"}, status_code=400)
|
||||
|
||||
min_required = max(1, min(3, takes_total))
|
||||
|
||||
if takes_received == 0 and not allow_no_personal:
|
||||
return JSONResponse(
|
||||
{
|
||||
"ok": False,
|
||||
"error": f"No personal voice samples recorded (0/{takes_total}).",
|
||||
"code": "NO_PERSONAL_SAMPLES",
|
||||
"message": "You can train without personal voices, or record samples first.",
|
||||
"takes_total": takes_total,
|
||||
},
|
||||
status_code=400,
|
||||
)
|
||||
|
||||
if 0 < takes_received < min_required:
|
||||
return JSONResponse(
|
||||
{
|
||||
"ok": False,
|
||||
"error": f"Not enough takes yet ({takes_received}/{takes_total}).",
|
||||
"code": "NOT_ENOUGH_TAKES",
|
||||
"min_required": min_required,
|
||||
"takes_total": takes_total,
|
||||
},
|
||||
status_code=400,
|
||||
)
|
||||
|
||||
t = threading.Thread(target=_run_training_background, args=(safe_word, allow_no_personal), daemon=True)
|
||||
t.start()
|
||||
|
||||
return {
|
||||
"ok": True,
|
||||
"started": True,
|
||||
"safe_word": safe_word,
|
||||
"personal_samples_used": takes_received >= min_required,
|
||||
"allow_no_personal": allow_no_personal,
|
||||
}
|
||||
|
||||
|
||||
@app.get("/api/train_status")
|
||||
def train_status(
|
||||
offset: int = Query(0, ge=0),
|
||||
max_bytes: int = Query(65536, ge=1024, le=262144),
|
||||
last_size: int = Query(0, ge=0),
|
||||
last_mtime: float = Query(0.0, ge=0.0),
|
||||
):
|
||||
"""
|
||||
Stream training output from the log file on disk.
|
||||
|
||||
Robust to log overwrite/truncation:
|
||||
- UI passes offset + last_size + last_mtime
|
||||
- If file shrinks or mtime goes backwards/changes weirdly, reset offset to 0
|
||||
"""
|
||||
with STATE_LOCK:
|
||||
tr = dict(STATE["training"])
|
||||
log_path_str = tr.get("log_path")
|
||||
|
||||
log_text = ""
|
||||
next_offset = offset
|
||||
log_size = 0
|
||||
log_mtime = 0.0
|
||||
|
||||
if log_path_str:
|
||||
p = Path(log_path_str)
|
||||
if p.exists():
|
||||
try:
|
||||
st = p.stat()
|
||||
log_size = int(st.st_size)
|
||||
log_mtime = float(st.st_mtime)
|
||||
|
||||
# Detect overwrite/truncate/reset:
|
||||
# - file shrank
|
||||
# - file mtime moved "backwards" (rare) or changed while size reset
|
||||
# If anything indicates a reset, restart from beginning.
|
||||
if (log_size < last_size) or (last_mtime and log_mtime < last_mtime):
|
||||
offset = 0
|
||||
|
||||
# Clamp offset to current file size
|
||||
if offset > log_size:
|
||||
offset = log_size
|
||||
|
||||
# Read incrementally from the file
|
||||
with p.open("rb") as f:
|
||||
f.seek(offset)
|
||||
chunk = f.read(max_bytes)
|
||||
|
||||
log_text = chunk.decode("utf-8", errors="replace")
|
||||
next_offset = offset + len(chunk)
|
||||
|
||||
except Exception as e:
|
||||
log_text = f"\n[log read error: {e!r}]\n"
|
||||
next_offset = offset
|
||||
|
||||
tr["log_text"] = log_text
|
||||
tr["next_offset"] = next_offset
|
||||
tr["log_size"] = log_size
|
||||
tr["log_mtime"] = log_mtime
|
||||
|
||||
return {"ok": True, "training": tr}
|
||||
|
||||
|
||||
@app.post("/api/reset_recordings")
|
||||
def reset_recordings():
|
||||
_reset_personal_samples_dir()
|
||||
with STATE_LOCK:
|
||||
STATE["takes_received"] = 0
|
||||
STATE["takes"] = []
|
||||
return {"ok": True}
|
||||
Reference in New Issue
Block a user