4f

Dockerfile

@@ -1,16 +1,29 @@
 FROM python:3.11-slim
 
-RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg git \
+# build-essential is needed because pkuseg has no wheel past cp37 and compiles from source.
+RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg git build-essential \
     && rm -rf /var/lib/apt/lists/*
 
 # HF Spaces runs as uid 1000; HF_HOME must be writable for model downloads.
 RUN useradd -m -u 1000 user
-ENV HOME=/home/user HF_HOME=/home/user/.cache/huggingface OUT_DIR=/home/user/audio
+# PATH: pip installs to ~/.local as non-root, so its bin dir must be on PATH.
+ENV HOME=/home/user HF_HOME=/home/user/.cache/huggingface OUT_DIR=/home/user/audio \
+    PATH=/home/user/.local/bin:$PATH
 USER user
 WORKDIR /home/user/app
 
 COPY --chown=user requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+# pkuseg 0.0.25 has no wheel past cp37 and its sdist won't build as-is on modern Python:
+#   1. setup.py imports numpy at build time, which pip's build isolation hides.
+#   2. it ships a Cython-0.28-era inference.cpp (uses the removed tp_print) and skips
+#      cythonizing when that file exists -- so delete it and let the .pyx regenerate.
+RUN pip install --no-cache-dir "numpy<2" "cython<3" setuptools wheel \
+    && pip download --no-binary :all: --no-deps --no-build-isolation pkuseg==0.0.25 -d /tmp/pk \
+    && tar -xzf /tmp/pk/pkuseg-0.0.25.tar.gz -C /tmp/pk \
+    && rm /tmp/pk/pkuseg-0.0.25/pkuseg/inference.cpp \
+    && pip install --no-cache-dir --no-build-isolation /tmp/pk/pkuseg-0.0.25 \
+    && rm -rf /tmp/pk \
+    && pip install --no-cache-dir -r requirements.txt
 
 COPY --chown=user app.py .
 

requirements.txt

@@ -4,4 +4,3 @@ torchaudio==2.6.0+cpu
 fastapi==0.115.6
 uvicorn[standard]==0.34.0
 chatterbox-tts==0.1.4
-numpy==1.26.5