pantry/projects/python.org/package.yml

distributable:
  url: https://www.python.org/ftp/python/{{ version.raw }}/Python-{{ version.raw }}.tar.xz
  strip-components: 1

versions:
  github: python/cpython/tags

companions:
  pip.pypa.io: '*'

unpackaged:
  - version: ^2
    platform: darwin
    arch: aarc64
    reason: help-wanted

provides:
  - bin/python
  - bin/python{{ version.major }}
  - bin/python{{ version.marketing }}

interprets:
  extensions: py
  args: python

dependencies:
# recommended (but none are actually required)
  zlib.net: 1
  sourceware.org/bzip2: 1
  openssl.org: ^1.1
  sourceware.org/libffi: 3
  libexpat.github.io: 2
  bytereef.org/mpdecimal: 2
  tukaani.org/xz: 5
  sqlite.org: 3
  gnu.org/readline: 8
  invisible-island.net/ncurses: 6
  # linux:
  #   oracle.com/berkeley-db: 18

build:
  dependencies:
    tea.xyz/gx/cc: c99
    tea.xyz/gx/make: '*'
    freedesktop.org/pkg-config: ^0.29
    crates.io/semverator: '*'

  script:
    # fixes the build scripts so they use the standard environment variables we set
    - |
      sed -i.bak -e 's|system_lib_dirs = .*|system_lib_dirs = os.getenv("LIBRARY_PATH").split(":")|' ./setup.py
      sed -i.bak -e 's|system_include_dirs = .*|system_include_dirs = os.getenv("CPATH").split(":")|' ./setup.py

    # older versions use a different config dir
    - |
      if semverator satisfies '<3.8' {{ version }}; then
        # older versions use a different config dir
        confdir=$(echo $confdir | sed -e 's/\(config-{{ version.marketing }}\)/\1m/')

        # 3.7 and older use `python3.7m` for include dir
        SUFFIX=m

        # 3.7 aborts on linux+aarch64 with this
        ARGS=${ARGS/--with-ensurepip/--without-ensurepip}
      fi

    - ./configure $ARGS
    - make --jobs {{ hw.concurrency }}
    - make install

    # customize `pip install` locations to tea defaults
    - cp props/sitecustomize.py {{prefix}}/lib/python{{version.marketing}}

    # provide unversioned symlinks
    - run: |
        for x in python idle pydoc; do
          ln -sf ${x}{{ version.marketing }} $x
        done
        ln -sf python{{ version.marketing }}-config python-config
      working-directory: ${{prefix}}/bin

    # we provide the binaries in a separate package
    # but we don’t use --without-ensurepip because stuff expects python to
    # come bundled with setuptools
    - run: find . -mindepth 1 -maxdepth 1 -type f -name 'pip*' -exec rm {} \;
      working-directory: ${{prefix}}/bin

    # make relocatable
    - run: |
        for binfile in $shebangs $confdir/python-config.py; do
          if ! test -f $binfile; then
            binfile=${binfile/{{version.marketing}}/{{version.marketing}}$SUFFIX}
          fi
          if ! test -f $binfile; then
            continue
          fi
          binfile=$(readlink -f $binfile)
          sed -i.bak -e 's|#!{{ prefix }}/bin/|#!/usr/bin/env |g' $binfile
          rm $binfile.bak
        done

        sed -i.bak -e 's|{{ prefix }}|\\$(shell tea --prefix)/python.org/v{{version.major}}|g' $confdir/Makefile
        rm $confdir/Makefile.bak
      working-directory: ${{prefix}}

    - run:
        cat $PROP >> _sysconfigdata__*.py
      working-directory:
        ${{prefix}}/lib/python{{version.marketing}}
      prop: |
        import os
        import re

        tea_prefix = os.path.normpath(os.path.join(os.path.dirname(__file__), '../../../../'))
        for key in build_time_vars:
          if isinstance(build_time_vars[key], str):
            build_time_vars[key] = re.sub(r'(\s|^)/opt/', r'\g<1>{}/'.format(tea_prefix), build_time_vars[key])

    # force pip to user-install mode without sudo
    - ln -s /dev {{prefix}}/lib/python{{version.marketing}}/site-packages
    # ^^ probs nuts lol, but the below has repurcussions
    # chmod -w {{prefix}}/lib/python{{version.marketing}}
    # ^^ makes rm -rf ~/.tea/python.org on macOS fail

    # some stuff expects python includes to be accessible without the prefix
    - run: |
        mv python{{version.marketing}}$SUFFIX/* .
        rmdir python{{version.marketing}}$SUFFIX
        ln -s . python{{version.marketing}}
        # Keep the suffixed version if we started with one
        if test -n "$SUFFIX"; then
          ln -s . python{{version.marketing}}$SUFFIX
        fi
      working-directory: ${{prefix}}/include

  env:
    ARGS:
      - --prefix="{{ prefix }}"
      - --with-ensurepip
      - --enable-ipv6
      - --disable-loadable-sqlite-extensions
      - --with-system-expat
      - --with-system-ffi
      - --with-system-libmpdec
      # - --enable-optimizations  # fails due to clang/llvm pkging bug on Linux
      # - --with-lto  # fails on linux/aarch64
      - --enable-shared
    libdir:
      lib/python{{version.marketing}}
    darwin:
      confdir:
        $libdir/config-{{version.marketing}}-darwin
    linux:
      # ARGS:
      #   - --with-dbmliborder=bdb
      ARCH: ${{hw.arch}}
      confdir:
        $libdir/config-{{version.marketing}}-${ARCH/-/_}-linux-gnu
    shebangs:
      - bin/2to3-{{version.marketing}}
      - bin/idle{{version.marketing}}
      - bin/pydoc{{version.marketing}}
      - bin/python{{version.marketing}}-config

    OPENSSL_INCLUDES: ${{ deps.openssl.org.prefix }}/include
    OPENSSL_LDFLAGS: -L{{ deps.openssl.org.prefix }}/lib

test:
  dependencies:
    tea.xyz/gx/cc: c99
    crates.io/semverator: '*'
  script:
    # Check if sqlite is ok, because we build with --enable-loadable-sqlite-extensions
    # and it can occur that building sqlite silently fails if OSX's sqlite is used.
    - python -c "import sqlite3"

    # check to see if we can create a venv
    # we can't ensurepip on 3.7 so, this won't work
    - |
      if semverator satisfies '^3.8' {{ version }}; then
        python -m venv myvenv
      fi

    # Check if some other modules import. Then the linked libs are working.
    - |
      python -c "import _ctypes"
      # python -c "import _decimal" #FIXME
      python -c "import pyexpat"
      python -c "import zlib"

    # Verify that the selected DBM interface works
    # FIXME: doen't work
    # - run:
    #     python $FIXTURE
    #   fixture: |
    #     import dbm
    #     with dbm.ndbm.open("test", "c") as db:
    #       db[b"foo \\xbd"] = b"bar \\xbd"
    #     with dbm.ndbm.open("test", "r") as db:
    #       assert list(db.keys()) == [b"foo \\xbd"]
    #       assert b"foo \\xbd" in db
    #       assert db[b"foo \\xbd"] == b"bar \\xbd"

    - |
      if which -a pip | grep '{{ prefix }}'; then
        exit 1
      fi

    - run: |
        mv $FIXTURE b.c
        cc -c b.c
      fixture: |
        #include <Python.h>
        #include <python{{version.major}}.{{version.minor}}/Python.h>

    - run:
        test $(python $FIXTURE) = {{prefix}}/include/python{{version.marketing}}
      fixture: |
        import sysconfig
        include_path = sysconfig.get_paths()['include']
        print(include_path)