# Define the Python interpreter paths in the SRPM macros so that

# - they can be used in Build/Requires

# - they can be used in non-Python packages where requiring pythonX-devel would

#   be an overkill

# use the underscored macros to redefine the behavior of %%python3_version etc.

%__python2 /usr/bin/python2

%__python3 /usr/bin/python3

# use the non-underscored macros to refer to Python in spec, etc.

%python2 %__python2

%python3 %__python3

# For backwards compatibility only

# See the comments in https://src.fedoraproject.org/rpms/python-rpm-macros/pull-request/22

%__python /usr/bin/python

# Users can use %%python only if they redefined %%__python (e.g. to %%__python3)

%python() %{lua:\

    __python = rpm.expand("%__python")\

    if __python == "/usr/bin/python" then\

        rpm.expand("%{error:Cannot use %%python if %%__python wasn't redefined to something other than /usr/bin/python.}")\

    else\

        print(__python)\

    end\

}

# python3_pkgversion specifies the version of Python 3 in the distro.  It can be

# a specific version (e.g. 34 in Fedora EPEL7)

%python3_pkgversion 3

# Set to /bin/true to avoid %ifdefs and %{? in specfiles

%__python3_other /bin/true

%py3_other_build /bin/true

%py3_other_install /bin/true

# === Macros for Build/Requires tags using Python dist tags ===

# - https://fedoraproject.org/wiki/Changes/Automatic_Provides_for_Python_RPM_Packages

# - These macros need to be in macros.python-srpm, because BuildRequires tags

#   get rendered as runtime requires into the metadata of SRPMs.

# Converts Python dist name to a canonical format

%py_dist_name() %{lua:\

        name = rpm.expand("%{?1:%{1}}");\

        canonical = string.gsub(string.lower(name), "[^%w%.]+", "-");\

        print(canonical);\

}

# Creates Python 2 dist tag(s) after converting names to canonical format

#   Needs to first put all arguments into a list, because invoking a different

#   macro (%py_dist_name) overwrites them

%py2_dist() %{lua:\

        args = {}\

        arg = 1\

        while (true) do\

                name = rpm.expand("%{?" .. arg .. ":%{" .. arg .. "}}");\

                if (name == nil or name == '') then\

                        break\

                end\

                args[arg] = name\

                arg = arg + 1\

        end\

        for arg, name in ipairs(args) do\

                canonical = rpm.expand("%py_dist_name " .. name);\

                print("python2dist(" .. canonical .. ") ");\

        end\

}

# Creates Python 3 dist tag(s) after converting names to canonical format

#   Needs to first put all arguments into a list, because invoking a different

#   macro (%py_dist_name) overwrites them

%py3_dist() %{lua:\

        args = {}\

        arg = 1\

        while (true) do\

                name = rpm.expand("%{?" .. arg .. ":%{" .. arg .. "}}");\

                if (name == nil or name == '') then\

                        break\

                end\

                args[arg] = name\

                arg = arg + 1\

        end\

        for arg, name in ipairs(args) do\

                canonical = rpm.expand("%py_dist_name " .. name);\

                print("python3dist(" .. canonical .. ") ");\

        end\

}

# Macro to replace overly complicated references to PyPI source files.

# Expands to the pythonhosted URL for a package

# Accepts zero to three arguments:

# 1:  The PyPI project name, defaulting to %srcname if it is defined, then

#     %pypi_name if it is defined, then just %name.

# 2:  The PYPI version, defaulting to %version.

# 3:  The file extension, defaulting to "tar.gz".  (A period will be added

#     automatically.)

# Requires %__pypi_url and %__pypi_default_extension to be defined.

%__pypi_url https://files.pythonhosted.org/packages/source/

%__pypi_default_extension tar.gz

%pypi_source() %{lua:

    local src = rpm.expand('%1')

    local ver = rpm.expand('%2')

    local ext = rpm.expand('%3')

    local url = rpm.expand('%__pypi_url')

\

    -- If no first argument, try %srcname, then %pypi_name, then %name

    -- Note that rpm leaves macros unchanged if they are not defined.

    if src == '%1' then

        src = rpm.expand('%srcname')

    end

    if src == '%srcname' then

        src = rpm.expand('%pypi_name')

    end

    if src == '%pypi_name' then

        src = rpm.expand('%name')

    end

\

    -- If no second argument, use %version

    if ver == '%2' then

        ver = rpm.expand('%version')

    end

\

    -- If no third argument, use the preset default extension

    if ext == '%3' then

        ext = rpm.expand('%__pypi_default_extension')

    end

\

    local first = string.sub(src, 1, 1)

\

    print(url .. first .. '/' .. src .. '/' .. src .. '-' .. ver .. '.' .. ext)

}