FEAT: conda recipe for mssql-python (self-contained repackage of the signed wheel)

conda/.gitattributes

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+# Keep shell build scripts LF so conda-build works on Linux/macOS agents,
+# regardless of the checkout host's core.autocrlf setting.
+*.sh text eol=lf
+
+# Keep .bat scripts CRLF for Windows conda-build agents, regardless of the checkout
+# host's core.autocrlf. cmd.exe tolerates LF here (no goto/labels), but pinning CRLF
+# removes any doubt on odd checkouts.
+*.bat text eol=crlf

conda/mssql-python/bld.bat

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+@echo on
+REM Repackage the prebuilt, signed mssql-python wheel into a conda package (offline) and
+REM vendor the ODBC Driver 18 payload inside it. conda-build exports PKG_NAME /
+REM PKG_VERSION / CONDA_PY; the pipeline exports WHEELS_DIR + MSSQL_ODBC_VERSION.
+setlocal enabledelayedexpansion
+
+set "SP=%PREFIX%\Lib\site-packages"
+if not exist "%SP%" mkdir "%SP%"
+set "PKG_UNDERSCORE=%PKG_NAME:-=_%"
+
+REM Native leg: pip installs the matching wheel. Cross win-arm64 leg: the arm64 host
+REM Python can't run on the x64 agent, so extract the cp%CONDA_PY% wheel (a zip) with tar.
+"%PYTHON%" -c "import sys" >nul 2>&1
+if errorlevel 1 (
+  echo Host Python "%PYTHON%" not executable here ^(non-emulated cross-build^); extracting cp%CONDA_PY% win_arm64 code wheel without Python.
+  set "CODE_WHL="
+  for %%W in ("%WHEELS_DIR%\!PKG_UNDERSCORE!-%PKG_VERSION%-cp%CONDA_PY%-*-win_arm64.whl") do if exist "%%~fW" set "CODE_WHL=%%~fW"
+  if not defined CODE_WHL (
+    echo ERROR: no %PKG_NAME%==%PKG_VERSION% cp%CONDA_PY% win_arm64 wheel in "%WHEELS_DIR%"
+    exit /b 1
+  )
+  echo Extracting "!CODE_WHL!" into "%SP%"
+  tar -xf "!CODE_WHL!" -C "%SP%"
+  if errorlevel 1 exit /b 1
+  REM win-arm64 cross can't run the arm64 Python, so statically prove the extracted
+  REM binding is for THIS interpreter (the osx-arm64 twin bug shipped a cp310 .so in
+  REM every build); a wrong-Python .pyd would only fail at the user's import.
+  if not exist "%SP%\mssql_python\ddbc_bindings.cp%CONDA_PY%-*.pyd" (
+    echo ERROR: extracted "!CODE_WHL!" has no mssql_python\ddbc_bindings.cp%CONDA_PY% pyd ^(wrong-Python binding^).
+    exit /b 1
+  )
+  REM The win-arm64 wheel bundles the x64 mssql_py_core (no arm64 build exists yet); an
+  REM x64 .pyd can't load on arm64 and fails the PE-arch assert, so strip it. Bulk copy
+  REM then raises a clean "not available" error (lazy import); the rest of the DBAPI works.
+  echo Removing x64 mssql_py_core from the win-arm64 package; bulk copy is unavailable on win-arm64 until an arm64 build ships.
+  if exist "%SP%\mssql_py_core" rmdir /s /q "%SP%\mssql_py_core"
+  if exist "%SP%\mssql_py_core.libs" rmdir /s /q "%SP%\mssql_py_core.libs"
+) else (
+  "%PYTHON%" -m pip install --no-deps --no-index --find-links "%WHEELS_DIR%" %PKG_NAME%==%PKG_VERSION% -vv
+  if errorlevel 1 exit /b 1
+)
+
+REM Extract the py3-none-win odbc wheel into the SAME site-packages so
+REM mssql_python_odbc\libs\ sits beside mssql_python\ and the loader finds the driver.
+set "ODBC_WHL="
+for %%W in ("%WHEELS_DIR%\mssql_python_odbc-%MSSQL_ODBC_VERSION%-py3-none-win_*.whl") do if exist "%%~fW" set "ODBC_WHL=%%~fW"
+if not defined ODBC_WHL (
+  echo ERROR: no mssql_python_odbc==%MSSQL_ODBC_VERSION% py3-none-win wheel in "%WHEELS_DIR%"
+  exit /b 1
+)
+echo Extracting "!ODBC_WHL!" into "%SP%"
+tar -xf "!ODBC_WHL!" -C "%SP%"
+if errorlevel 1 exit /b 1

conda/mssql-python/build.sh

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+#!/bin/bash
+# Repackage the prebuilt, signed mssql-python wheel into a conda package (offline) and
+# vendor the ODBC Driver 18 payload inside it -- no separate mssql-python-odbc conda
+# package. Both the code wheel and the py3-none-<plat> odbc wheel land in the SAME
+# site-packages, so mssql_python_odbc/libs/ sits beside mssql_python/ and the C++
+# loader finds the driver. conda-build exports PKG_NAME / PKG_VERSION / CONDA_PY;
+# WHEELS_DIR (one wheel per target) + MSSQL_ODBC_VERSION come from the pipeline.
+set -euo pipefail
+# Emulated aarch64 leg: $PYTHON is the aarch64 interpreter under qemu-user; point it at
+# the aarch64 glibc loader so it doesn't abort. Harmless no-op on every other leg.
+[ -d /usr/aarch64-linux-gnu ] && export QEMU_LD_PREFIX="${QEMU_LD_PREFIX:-/usr/aarch64-linux-gnu}"
+
+odbc_ver="${MSSQL_ODBC_VERSION:?MSSQL_ODBC_VERSION not set}"
+
+# Native / QEMU-emulated legs: the host Python runs, so pip installs both wheels. Cross
+# osx-arm64 (built on Intel): the arm64 Python can't execute, so extract both wheels
+# (zips) with unzip instead -- same approach as the Windows bld.bat.
+if "$PYTHON" -c "import sys" >/dev/null 2>&1; then
+  "$PYTHON" -m pip install --no-deps --no-index --find-links "$WHEELS_DIR" "$PKG_NAME==$PKG_VERSION" -vv
+  "$PYTHON" -m pip install --no-deps --no-index --find-links "$WHEELS_DIR" "mssql-python-odbc==$odbc_ver" -vv
+else
+  echo "Host Python '$PYTHON' is not executable on this agent (non-emulated cross-build);"
+  echo "extracting both wheels into \$SP_DIR without running Python."
+  mkdir -p "$SP_DIR"
+  pkg_underscore="${PKG_NAME//-/_}"
+  # universal2 wheels are cpXY-specific (compiled ddbc_bindings), so filter on the
+  # target CONDA_PY to never grab another interpreter's wheel (mirrors bld.bat).
+  code_whl=""
+  for w in "$WHEELS_DIR/${pkg_underscore}-${PKG_VERSION}-cp${CONDA_PY}-"*.whl; do
+    [ -e "$w" ] && { code_whl="$w"; break; }
+  done
+  [ -n "$code_whl" ] || { echo "ERROR: no ${PKG_NAME}==${PKG_VERSION} cp${CONDA_PY} wheel in '$WHEELS_DIR'" >&2; exit 1; }
+  odbc_whl=""
+  for w in "$WHEELS_DIR"/mssql_python_odbc-"$odbc_ver"-py3-none-*.whl; do
+    [ -e "$w" ] && { odbc_whl="$w"; break; }
+  done
+  [ -n "$odbc_whl" ] || { echo "ERROR: no mssql_python_odbc==$odbc_ver py3-none wheel in '$WHEELS_DIR'" >&2; exit 1; }
+  echo "Extracting '$code_whl' -> '$SP_DIR'"
+  unzip -oq "$code_whl" -d "$SP_DIR"
+  # osx-arm64 cross can't run the arm64 Python, so statically prove the extracted
+  # binding is for THIS interpreter -- a cpXY ddbc_bindings for another Python (the bug
+  # where every osx-arm64 build shipped the cp310 .so) would only fail at the user's
+  # import. The python-tag twin of the win-arm64 PE-arch assert.
+  ls "$SP_DIR"/mssql_python/ddbc_bindings.cp${CONDA_PY}-*.so >/dev/null 2>&1 || {
+    echo "ERROR: '$code_whl' has no mssql_python/ddbc_bindings.cp${CONDA_PY}-*.so (wrong-Python binding)." >&2
+    exit 1
+  }
+  echo "Extracting '$odbc_whl' -> '$SP_DIR'"
+  unzip -oq "$odbc_whl" -d "$SP_DIR"
+fi
+
+# ---------------------------------------------------------------------------
+# Linux driver reachability (#563) -- the core fix.
+# ---------------------------------------------------------------------------
+# Declaring krb5/openssl/libltdl as conda deps drops them in $PREFIX/lib, but that is
+# INERT: the vendored ODBC .so ship with a bare DT_RUNPATH=$ORIGIN (no climb), so the
+# loader never looks in $PREFIX/lib and falls through to SYSTEM krb5 (#563 crash) or
+# can't find libltdl.so.7. Fix: stamp a relative "$ORIGIN:$ORIGIN/<climb>" onto
+# libmsodbcsql* + libodbcinst.so.2 so they resolve THIS env's $PREFIX/lib. Safe to
+# patch -- the Linux .so are malware-scanned, not code-signed (only Windows .dll /
+# macOS .dylib are, and those are never touched). Linux-only: the glob is a no-op on
+# macOS. audit_bundled_binaries.py asserts the same exact climb.
+prefix_lib="$PREFIX/lib"
+shopt -s nullglob
+have_linux_payload=0
+[ -d "$SP_DIR/mssql_python_odbc/libs/linux" ] && have_linux_payload=1
+# Count the driver (libmsodbcsql) and the driver manager (libodbcinst) separately so a
+# payload missing EITHER fails loudly -- a lone libodbcinst would ship no SQL driver.
+msodbc_seen=0
+odbcinst_seen=0
+for libdir in "$SP_DIR"/mssql_python_odbc/libs/linux/*/*/lib; do
+  # Exact climb from this driver dir up to $PREFIX/lib (from the real layout, never a
+  # hard-coded ../ count).
+  climb="$("$PYTHON" -c 'import os,sys; print(os.path.relpath(sys.argv[1], sys.argv[2]))' "$prefix_lib" "$libdir")"
+  want="\$ORIGIN:\$ORIGIN/$climb"
+  for so in "$libdir"/libmsodbcsql-*.so.* "$libdir"/libodbcinst.so.2; do
+    [ -e "$so" ] || continue
+    case "$(basename "$so")" in
+      libmsodbcsql-*.so.*) msodbc_seen=$((msodbc_seen + 1)) ;;
+      libodbcinst.so.2)    odbcinst_seen=$((odbcinst_seen + 1)) ;;
+    esac
+    got="$(patchelf --print-rpath "$so" 2>/dev/null || true)"
+    if [ "$got" = "$want" ]; then
+      echo "RPATH-OK (already baked) $(basename "$so") -> $got"
+      continue
+    fi
+    patchelf --set-rpath "$want" "$so"
+    got="$(patchelf --print-rpath "$so")"
+    # Assert the EXACT intended RUNPATH, not just "no absolute entry".
+    if [ "$got" != "$want" ]; then
+      echo "ERROR: patch did not yield the exact expected RUNPATH ('$got' != '$want')." >&2
+      exit 1
+    fi
+    echo "RPATH-PATCHED $(basename "$so") -> $got"
+  done
+done
+shopt -u nullglob
+# A Linux payload missing the driver OR the driver manager is a bypass hole (a bare
+# `conda build` skipping the orchestrator audit would ship un-asserted binaries).
+if [ "$have_linux_payload" = "1" ] && { [ "$msodbc_seen" = "0" ] || [ "$odbcinst_seen" = "0" ]; }; then
+  echo "ERROR: Linux payload present but incomplete (libmsodbcsql=$msodbc_seen, libodbcinst.so.2=$odbcinst_seen)." >&2
+  exit 1
+fi
+[ "$msodbc_seen" -gt 0 ] && echo "LINUX_RPATH_CLIMB_OK" || true

conda/mssql-python/meta.yaml

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+{% set version = environ.get('MSSQL_PYTHON_VERSION', '1.14.0') %}
+
+package:
+  name: mssql-python
+  version: "{{ version }}"
+
+build:
+  number: 0
+  # This recipe REPACKAGES a prebuilt, signed wheel -- it compiles nothing -- so
+  # conda-build's from-source checks mis-fire on the vendored binaries. Downgrade
+  # overlinking/overdepending to warnings, and disable the relocation / prefix scans
+  # that would corrupt the signature or fail the pure-repackage packaging step.
+  error_overlinking: false
+  error_overdepending: false
+  binary_relocation: false
+  detect_binary_files_with_prefix: false
+  # .pyc byte-compilation runs the TARGET Python, which can't execute on the cross legs
+  # (osx-arm64 built on Intel, win-arm64 on x64). Skip pyc there; Python regenerates it.
+  skip_compile_pyc:
+    - "**/*.py"                # [osx or win]
+  # Passed into the isolated conda-build env so build.sh / bld.bat can install the
+  # prebuilt wheel from --find-links offline (WHEELS_DIR) and locate the odbc wheel to
+  # vendor in (MSSQL_ODBC_VERSION).
+  script_env:
+    - WHEELS_DIR
+    - MSSQL_ODBC_VERSION
+
+requirements:
+  build:
+    # patchelf stamps the $ORIGIN RPATH climb (#563) so the declared conda
+    # krb5/openssl/libltdl below are actually reachable. Linux-only, build-time only.
+    - patchelf            # [linux]
+  host:
+    # Bare `python` (NO version range): conda-build binds the per-Python variant from the
+    # --python matrix here, so each build emits the matching py3XX package. A range such
+    # as `python >=3.10` collapses ALL --python builds into ONE cp<newest> package (build
+    # string "py>=310") whose python_abi is pinned to 3.14, so `conda create python=3.10
+    # mssql-python` can't solve. The >=3.10 floor is enforced implicitly: only py310-py314
+    # are built and each package's python_abi pins its exact minor.
+    - python
+    - pip
+  run:
+    # Bare `python` for the same reason as host (the floor is the per-build python_abi,
+    # NOT a range on python -- a range breaks the per-Python solve).
+    - python
+    # conda does NOT inherit the wheel's install_requires, so pin azure-identity here.
+    - azure-identity >=1.12.0
+    # ODBC Driver 18 payload deps (the driver ships inside this package, so its
+    # security-serviced deps are declared here). OpenSSL for TLS is dlopen'd, so
+    # overlinking can't see it; pinned <4 (Driver 18 supports the OpenSSL 1.1/3.0 ABI
+    # only). macOS uses Homebrew OpenSSL, Windows SChannel.
+    - openssl >=3,<4          # [linux]
+    # libmsodbcsql NEEDs libkrb5 / libgssapi_krb5 on Linux (macOS framework, Windows SSPI).
+    - krb5                    # [linux]
+    # libodbcinst.so.2 NEEDs libltdl.so.7 (not bundled); libtool provides it and the
+    # #563 climb makes the driver resolve THIS env's copy.
+    - libtool                 # [linux]
+    # msodbcsql18.dll imports VCRUNTIME140.dll but the vendored vcredist ships only
+    # msvcp140.dll; declare the serviced conda runtime.
+    - vc14_runtime            # [win]
+    # Re-assert the wheel's platform floor (conda drops the wheel tag); never stricter.
+    - __glibc >=2.28      # [linux]
+    - __osx >=15.0        # [osx]
+
+test:
+  imports:
+    - mssql_python
+
+about:
+  home: https://github.com/microsoft/mssql-python
+  # Ships MIT code AND the proprietary ODBC Driver 18 payload, so the license is both.
+  license: MIT AND LicenseRef-Microsoft-Proprietary
+  license_file:
+    - ../../LICENSE
+    # The proprietary EULAs live with the ODBC payload; reference them there rather than
+    # duplicating. conda-build embeds them in info/licenses/.
+    - ../../mssql_python_odbc/licenses/MICROSOFT_ODBC_DRIVER_FOR_SQL_SERVER_LICENSE.txt
+    - ../../mssql_python_odbc/licenses/MICROSOFT_VISUAL_STUDIO_LICENSE.txt
+  summary: Microsoft driver for Python to interact with SQL Server and Azure SQL.
+  description: |
+    mssql-python is a DB API 2.0 (PEP 249) compliant driver for SQL Server,
+    Azure SQL, and Azure Synapse. This conda package is self-contained: the
+    proprietary Microsoft ODBC Driver 18 payload ships inside it (the same model as
+    the v1.11.0 wheel), so no separate driver package is required.
+
+extra:
+  recipe-maintainers:
+    - jahnvithakkar