debian/matplotlib.bzl

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}

def build_matplotlib(version, tkinter_py_version = None, copy_shared_files = True):
    """Creates a py_library rule for matplotlib for the given python version.

    See debian/matplotlib.BUILD for the usage.

    All the rules generated by this will be suffixed by version. Only one
    instance of this macro should set copy_shared_files, which generate the
    files that are shared between python versions.

    tkinter_py_version is used because for the Python3 instance, some files
    are in folders named python3 and some are in folders named python3.5...

    version numbers should both be strings.
    """
    if tkinter_py_version == None:
        tkinter_py_version = version

    native.genrule(
        name = "patch_init" + version,
        srcs = [
            "usr/lib/python" + version + "/dist-packages/matplotlib/__init__.py",
            "@//debian:matplotlib_patches",
        ],
        outs = [version + "/matplotlib/__init__.py"],
        cmd = " && ".join([
            "cp $(location usr/lib/python" + version + "/dist-packages/matplotlib/__init__.py) $@",
            "readonly PATCH=\"$$(readlink -f $(location @patch))\"",
            "readonly FILE=\"$$(readlink -f $(location @//debian:matplotlib_patches))\"",
            "(cd $(@D) && \"$${PATCH}\" -p1 < \"$${FILE}\") > /dev/null",
        ]),
        tools = [
            "@patch",
        ],
    )

    _src_files = native.glob(
        include = ["usr/lib/python" + version + "/dist-packages/**/*.py"],
        exclude = [
            "usr/lib/python" + version + "/dist-packages/matplotlib/__init__.py",
        ],
    )

    _data_files = native.glob([
        "usr/share/matplotlib/mpl-data/**",
        "usr/share/tcltk/**",
    ])

    _src_copied = ["/".join([version] + f.split("/")[4:]) for f in _src_files]

    _builtin_so_files = native.glob([
        "usr/lib/python" + version + "/dist-packages/**/*x86_64-linux-gnu.so",
        "usr/lib/python" + tkinter_py_version + "/lib-dynload/*.so",
    ])

    _system_so_files = native.glob([
        "usr/lib/**/*.so*",
        "lib/x86_64-linux-gnu/**/*.so*",
    ])

    _builtin_so_copied = ["/".join([version] + f.split("/")[4:]) for f in _builtin_so_files]

    rpath_prefix = "rpathed" + version + "/"

    _system_so_copied = [rpath_prefix + f for f in _system_so_files]

    _builtin_rpaths = [":".join([
        "\\$$ORIGIN/%s" % rel,
        "\\$$ORIGIN/%s/%s/usr/lib/x86_64-linux-gnu" % (rel, rpath_prefix),
        "\\$$ORIGIN/%s/%s/usr/lib" % (rel, rpath_prefix),
        "\\$$ORIGIN/%s/%s/lib/x86_64-linux-gnu" % (rel, rpath_prefix),
    ]) for rel in ["/".join([".." for _ in so.split("/")[1:]]) for so in _builtin_so_copied]]

    _system_rpaths = [":".join([
        "\\$$ORIGIN/%s/%s/usr/lib/x86_64-linux-gnu" % (rel, rpath_prefix),
        "\\$$ORIGIN/%s/%s/lib/x86_64-linux-gnu" % (rel, rpath_prefix),
    ]) for rel in ["/".join([".." for _ in so.split("/")[1:]]) for so in _system_so_copied]]

    native.genrule(
        name = "run_patchelf_builtin" + version,
        srcs = _builtin_so_files,
        outs = _builtin_so_copied,
        cmd = "\n".join(
            [
                "cp $(location %s) $(location %s)" % (src, dest)
                for src, dest in zip(_builtin_so_files, _builtin_so_copied)
            ] +
            ["$(location @patchelf) --set-rpath %s $(location %s)" % (rpath, so) for rpath, so in zip(_builtin_rpaths, _builtin_so_copied)],
        ),
        tools = [
            "@patchelf",
        ],
    )

    native.genrule(
        name = "run_patchelf_system" + version,
        srcs = _system_so_files,
        outs = _system_so_copied,
        cmd = "\n".join(
            [
                "cp $(location %s) $(location %s)" % (src, dest)
                for src, dest in zip(_system_so_files, _system_so_copied)
            ] +
            ["$(location @patchelf) --set-rpath %s $(location %s)" % (rpath, so) for rpath, so in zip(_system_rpaths, _system_so_copied)],
        ),
        tools = [
            "@patchelf",
        ],
    )

    native.genrule(
        name = "copy_files" + version,
        srcs = _src_files,
        outs = _src_copied,
        cmd = " && ".join(["cp $(location %s) $(location %s)" % (src, dest) for src, dest in zip(
            _src_files,
            _src_copied,
        )]),
    )

    if copy_shared_files:
        native.genrule(
            name = "create_rc" + version,
            srcs = ["etc/matplotlibrc"],
            outs = ["usr/share/matplotlib/mpl-data/matplotlibrc"],
            cmd = "cat $< > $@",
        )

    native.py_library(
        name = "matplotlib" + version,
        srcs = _src_copied + [
            version + "/matplotlib/__init__.py",
        ] + native.glob(
            include = ["usr/lib/python" + tkinter_py_version + "/**/*.py"],
        ),
        data = _data_files + _builtin_so_copied + _system_so_copied + [
        ] + native.glob(["etc/**", "usr/share/fonts/**"]),
        imports = [
            "rpathed3/usr/lib/python" + version + "/dist-packages",
            "rpathed3/usr/lib/python" + version + ".9/lib-dynload",
            version,
            ".",
            "usr/lib/python" + tkinter_py_version,
        ],
        target_compatible_with = ["@platforms//cpu:x86_64"],
        visibility = ["//visibility:public"],
        deps = [
            "@python_repo//:numpy",
        ],
    )