# nb: $RPM_BUILD_ROOT is not set when the macros are expanded (at spec parse time)
#     so we set it manually (to empty string), making our Python prefer the correct install scheme location
%python3_sitelib %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_path('purelib'))")
%python3_sitearch %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_path('platlib'))")
%python3_version %(RPM_BUILD_ROOT= %{__python3} -Ic "import sys; sys.stdout.write('{0.major}.{0.minor}'.format(sys.version_info))")
%python3_version_nodots %(RPM_BUILD_ROOT= %{__python3} -Ic "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
%python3_platform %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_platform())")
%python3_platform_triplet %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_config_var('MULTIARCH'))")
%python3_ext_suffix %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))")
%py3dir %{_builddir}/python3-%{name}-%{version}-%{release}

%py3_shbang_opts -s
%py3_shbang_opts_nodash %(opts=%{py3_shbang_opts}; echo ${opts#-})
%py3_shebang_flags %(opts=%{py3_shbang_opts}; echo ${opts#-})
%py3_shebang_fix %{expand:\\\
  if [ -f /usr/bin/pathfix%{python3_version}.py ]; then
    pathfix=/usr/bin/pathfix%{python3_version}.py
  else
    # older versions of Python don't have it and must BR /usr/bin/pathfix.py from python3-devel explicitly
    pathfix=/usr/bin/pathfix.py
  fi
  if [ -z "%{?py3_shebang_flags}" ]; then
    shebang_flags="-k"
  else
    shebang_flags="-ka%{py3_shebang_flags}"
  fi
  $pathfix -pni %{__python3} $shebang_flags}

# Use the slashes after expand so that the command starts on the same line as
# the macro
%py3_build() %{expand:\\\
  CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
  %{__python3} %{py_setup} %{?py_setup_args} build --executable="%{__python3} %{py3_shbang_opts}" %{?*}
}

%py3_build_egg() %{expand:\\\
  CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
  %{__python3} %{py_setup} %{?py_setup_args} bdist_egg %{?*}
}

%py3_build_wheel() %{expand:\\\
  CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
  %{__python3} %{py_setup} %{?py_setup_args} bdist_wheel %{?*}
}

%py3_install() %{expand:\\\
  CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
  %{__python3} %{py_setup} %{?py_setup_args} install -O1 --skip-build --root %{buildroot} %{?*}
  rm -rfv %{buildroot}%{_bindir}/__pycache__
}

%py3_install_egg() %{expand:\\\
  mkdir -p %{buildroot}%{python3_sitelib}
  %{__python3} -m easy_install -m --prefix %{buildroot}%{_prefix} -Z dist/*-py%{python3_version}.egg %{?*}
  rm -rfv %{buildroot}%{_bindir}/__pycache__
}

%py3_install_wheel() %{expand:\\\
  %{__python3} -m pip install -I dist/%{1} --root %{buildroot} --no-deps --no-index --no-warn-script-location
  rm -rfv %{buildroot}%{_bindir}/__pycache__
  for distinfo in %{buildroot}%{python3_sitelib}/*.dist-info %{buildroot}%{python3_sitearch}/*.dist-info; do
    if [ -f ${distinfo}/direct_url.json ]; then
      rm -fv ${distinfo}/direct_url.json
      sed -i '/direct_url.json/d' ${distinfo}/RECORD
    fi
  done
}

# With $PATH and $PYTHONPATH set to the %%buildroot,
# try to import the given Python 3 module(s).
# Useful as a smoke test in %%check when running tests is not feasible.
# Use spaces or commas as separators.
%py3_check_import() %{expand:\\\
  (cd %{_topdir} &&\\\
  PATH="%{buildroot}%{_bindir}:$PATH"\\\
  PYTHONPATH="${PYTHONPATH:-%{buildroot}%{python3_sitearch}:%{buildroot}%{python3_sitelib}}"\\\
  PYTHONDONTWRITEBYTECODE=1\\\
  %{__python3} -c "import %{lua:local m=rpm.expand('%{?*}'):gsub('[%s,]+', ', ');print(m)}"
  )
}

# This only supports Python 3.5+ and will never work with Python 2.
# Hence, it has no Python version in the name.
%pycached() %{lua:
  path = rpm.expand("%{?*}")
  if (string.sub(path, "-3") ~= ".py") then
    rpm.expand("%{error:%%pycached can only be used with paths explicitly ending with .py}")
  else
    print(path)
    pyminor = path:match("/python3.(%d+)/") or "*"
    dirname = path:match("(.*/)")
    modulename = path:match(".*/([^/]+).py")
    print("\\n" .. dirname .. "__pycache__/" .. modulename .. ".cpython-3" .. pyminor .. "{,.opt-?}.pyc")
  end
}

# This is intended for Python 3 only, hence also no Python version in the name.
%__pytest /usr/bin/pytest%(test %{python3_pkgversion} == 3 || echo -%{python3_version})
%pytest %{expand:\\\
  CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
  PATH="%{buildroot}%{_bindir}:$PATH"\\\
  PYTHONPATH="${PYTHONPATH:-%{buildroot}%{python3_sitearch}:%{buildroot}%{python3_sitelib}}"\\\
  PYTHONDONTWRITEBYTECODE=1\\\
  %{?__pytest_addopts:PYTEST_ADDOPTS="${PYTEST_ADDOPTS:-} %{__pytest_addopts}"}\\\
  %__pytest}