添加Codespace一键启动配置及管理命令提示

.devcontainer/devcontainer.json

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+{
+  "name": "Pixelle-Video Codespace",
+  "image": "mcr.microsoft.com/devcontainers/python:1-3.11",
+  "forwardPorts": [8501],
+  "postCreateCommand": ".devcontainer/postCreate.sh",
+  "postStartCommand": ".devcontainer/postStart.sh",
+  "remoteUser": "vscode"
+}

.devcontainer/postCreate.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[devcontainer] Running postCreate tasks..."
+
+cd /workspaces/Pixelle-Video
+
+if [ -f scripts/codespace_setup.sh ]; then
+  bash scripts/codespace_setup.sh
+fi
+
+echo "[devcontainer] Installing Python dependencies..."
+python -m pip install --upgrade pip
+python -m pip install -e . || true
+
+echo "[devcontainer] postCreate complete. You can start the app with .devcontainer/postStart.sh or let postStart run it automatically."

.devcontainer/postStart.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[devcontainer] postStart: launching Pixelle-Video Web UI in background..."
+cd /workspaces/Pixelle-Video
+
+# Start the web UI in background so the forwarded port is ready
+nohup bash start_web.sh > /tmp/pixelle_streamlit.log 2>&1 &
+echo "[devcontainer] Streamlit started (logs: /tmp/pixelle_streamlit.log)"
+WEB_PID=$!
+echo ""
+echo "Common commands:"
+echo "1. View logs:"
+echo "   tail -f /tmp/pixelle_streamlit.log"
+echo "2. Stop service:"
+echo "   pkill -f 'streamlit run web/app.py'"
+echo "3. Restart service:"
+echo "   pkill -f 'streamlit run web/app.py' && nohup bash start_web.sh > /tmp/pixelle_streamlit.log 2>&1 &"
+echo "4. Check port usage:"
+echo "   lsof -i:8501"
+echo "5. View processes:"
+echo "   ps aux | grep streamlit"
+echo ""
+echo "For more help, see README or run 'ps aux | grep streamlit'."

scripts/codespace_setup.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[codespace-setup] Starting Codespace system setup..."
+
+export DEBIAN_FRONTEND=noninteractive
+
+sudo apt-get update -y
+
+# Install system packages needed by the project (idempotent)
+sudo apt-get install -y --no-install-recommends \
+  ffmpeg \
+  fontconfig \
+  fonts-liberation \
+  fonts-noto-cjk \
+  wget \
+  xdg-utils \
+  ca-certificates || true
+
+# Try installing chromium via common package names (some images use different package names)
+sudo apt-get install -y --no-install-recommends chromium chromium-driver || true
+sudo apt-get install -y --no-install-recommends chromium-browser chromium-driver || true
+
+echo "[codespace-setup] System packages installation complete. Verifying fonts and chromium..."
+
+echo "[codespace-setup] Chinese fonts (sample):"
+fc-list :lang=zh | head -n 10 || true
+
+if command -v chromium >/dev/null 2>&1; then
+  echo "[codespace-setup] chromium -> $(command -v chromium)"
+elif command -v chromium-browser >/dev/null 2>&1; then
+  echo "[codespace-setup] chromium-browser -> $(command -v chromium-browser)"
+else
+  echo "[codespace-setup] Warning: chromium not found in PATH"
+fi
+
+echo "[codespace-setup] Done. Next: install Python deps in postCreate step."