Bootstrap python3.10 inside setup_server.sh

A freshly recreated ubuntu:24.04 container has no python3.10 yet, so the
script now installs deadsnakes + python3.10 + pip when missing. Step
numbering bumped to 1..8 accordingly.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

scripts/setup_server.sh

@@ -22,8 +22,19 @@ PY=python3.10
 PIP="$PY -m pip"
 PIP_OPTS="--quiet --root-user-action=ignore"
 
-echo "[1/7] python / paddle 확인"
+echo "[1/8] python3.10 + pip (deadsnakes PPA)"
+if ! command -v $PY >/dev/null 2>&1; then
+    export DEBIAN_FRONTEND=noninteractive
+    apt-get update -qq
+    apt-get install -y -q software-properties-common ca-certificates curl
+    add-apt-repository -y ppa:deadsnakes/ppa
+    apt-get update -qq
+    apt-get install -y -q python3.10 python3.10-venv python3.10-dev libgomp1
+    curl -sS https://bootstrap.pypa.io/get-pip.py | $PY
+fi
 $PY --version
+
+echo "[2/8] paddle 확인"
 if ! $PY -c 'import paddle; assert paddle.is_compiled_with_cuda()' 2>/dev/null; then
     echo "  paddle 미설치 또는 CUDA 비호환. sm_120 wheel 설치..."
     WHL=$(ls "$WHEEL_DIR"/paddlepaddle_gpu-*-cp310-*linux_x86_64.whl 2>/dev/null | head -1)
@@ -35,18 +46,18 @@ if ! $PY -c 'import paddle; assert paddle.is_compiled_with_cuda()' 2>/dev/null;
 fi
 $PY -c 'import paddle; print("  paddle:", paddle.__version__, "cuda:", paddle.is_compiled_with_cuda())'
 
-echo "[2/7] OpenCV 시스템 의존성 (libgl 등)"
+echo "[3/8] OpenCV 시스템 의존성 (libgl 등)"
 export DEBIAN_FRONTEND=noninteractive
 apt-get install -y -q libgl1 libglib2.0-0 libsm6 libxext6 libxrender1 wget git
 
-echo "[3/7] PaddleOCR clone (release/2.7)"
+echo "[4/8] PaddleOCR clone (release/2.7)"
 if [ ! -d "$PADDLEOCR_DIR" ]; then
     git clone --depth 1 -b release/2.7 https://github.com/PaddlePaddle/PaddleOCR.git "$PADDLEOCR_DIR"
 fi
 cd "$PADDLEOCR_DIR"
 echo "  PaddleOCR @$(git rev-parse --short HEAD)"
 
-echo "[4/7] PaddleOCR Python 의존성 (한 줄씩, 충돌 패키지는 skip)"
+echo "[5/8] PaddleOCR Python 의존성 (한 줄씩, 충돌 패키지는 skip)"
 # paddle은 이미 wheel로, blinker는 system pkg, opencv는 numpy2 비호환 → 제외 후 별도 설치
 grep -viE '^(paddlepaddle|paddleocr|blinker|opencv-)' requirements.txt > /tmp/kr_lp_req.txt || true
 while IFS= read -r line; do
@@ -54,7 +65,7 @@ while IFS= read -r line; do
     $PIP install $PIP_OPTS --ignore-installed "$line" 2>/dev/null || echo "  skip: $line"
 done < /tmp/kr_lp_req.txt
 
-echo "[5/7] OpenCV (numpy2 호환) + numpy<2 (PaddleOCR release/2.7 호환성) + wandb + cuDNN 9.17"
+echo "[6/8] OpenCV (numpy2 호환) + numpy<2 (PaddleOCR release/2.7 호환성) + wandb + cuDNN 9.17"
 $PIP install $PIP_OPTS 'opencv-python>=4.10' 'opencv-contrib-python>=4.10' wandb
 # paddle sm_120 wheel은 cuDNN 9.17 빌드라 paddle deps의 9.13.0.50을 9.17로 upgrade 필요.
 # (안 하면 conv2d에서 cublasLtCreate 심볼 로드 실패 → process abort)
@@ -63,7 +74,7 @@ $PIP install $PIP_OPTS --upgrade 'nvidia-cudnn-cu13>=9.17,<9.18'
 # paddle 3.3.0.dev는 numpy 1.x도 호환.
 $PIP install $PIP_OPTS 'numpy<2' --force-reinstall
 
-echo "[6/7] PGNet step1 pretrain weight 다운로드 + import smoke test"
+echo "[7/8] PGNet step1 pretrain weight 다운로드 + import smoke test"
 mkdir -p "$PRETRAIN_DIR"
 cd "$PRETRAIN_DIR"
 if [ ! -d train_step1 ]; then
@@ -82,7 +93,7 @@ from ppocr.data.imaug.pg_process import PGProcessTrain
 print('  PGNet modules import OK')
 "
 
-echo "[7/7] dict / config symlink → PaddleOCR 트리"
+echo "[8/8] dict / config symlink → PaddleOCR 트리"
 ln -sf "$KR_LP_DIR/dict/kr_lp_dict.txt" "$PADDLEOCR_DIR/ppocr/utils/kr_lp_dict.txt"
 mkdir -p "$PADDLEOCR_DIR/configs/e2e"
 ln -sf "$KR_LP_DIR/configs/kr_lp_pgnet.yml" "$PADDLEOCR_DIR/configs/e2e/kr_lp_pgnet.yml"