These are the actions I will take, in order:

n   dev-python/jaxml:0::gentoo 3.02 to ::installed
    "XML generator written in Python"
    build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: app-portage/metagen-0.6.2:0::gentoo, dev-python/g-pypi-0.3:0::gentoo
    27.07 kBytes to download

n   app-portage/metagen:0::gentoo 0.6.2 to ::installed
    "metadata.xml generator for ebuilds"
    build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: dev-python/g-pypi-0.3:0::gentoo
    5.96 kBytes to download

n   dev-python/sphinxcontrib-googleanalytics:0::gentoo 0.1 to ::installed
    "Sphinx extension googleanalytics"
    build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: dev-python/g-pypi-0.3:0::gentoo
    2.82 kBytes to download

n   dev-python/unittest2:0::gentoo 0.5.1-r2 to ::installed
    "The new features in unittest for Python 2.7 backported to Python 2.4+"
    PYTHON_TARGETS: -pypy2_0 -python2_6 python2_7 python3_2 -python3_3 build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: dev-python/g-pypi-0.3:0::gentoo
    115.20 kBytes to download

n   dev-python/yolk-portage:0::gentoo 0.1-r1 to ::installed
    "Gentoo Portage plugin for yolk"
    PYTHON_TARGETS: -pypy2_0 -python2_6 python2_7 build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: dev-python/yolk-0.4.3-r1:0::gentoo
    2.44 kBytes to download

n   dev-python/yolk:0::gentoo 0.4.3-r1 to ::installed
    "Tool and library for querying PyPI and locally installed Python packages"
    -examples PYTHON_TARGETS: -pypy2_0 -python2_6 python2_7 build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: dev-python/g-pypi-0.3:0::gentoo
    84.08 kBytes to download

n   app-portage/gentoolkit:0::gentoo 0.3.0.8-r2 to ::installed
    "Collection of administration scripts for Gentoo"
    PYTHON_TARGETS: -pypy2_0 -python2_6 python2_7 -python3_2 -python3_3 build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: dev-python/g-pypi-0.3:0::gentoo
    3.04 MBytes to download

n   app-portage/gentoolkit-dev:0::gentoo 0.2.8.3-r1 to ::installed
    "Collection of developer scripts for Gentoo"
    (-test) PYTHON_TARGETS: -python2_6 python2_7 -python3_2 -python3_3 build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: !<=app-portage/gentoolkit-dev-0.2.7 from app-portage/gentoolkit-0.3.0.8-r2:0::gentoo, dev-python/g-pypi-0.3:0::gentoo
    52.07 kBytes to download

n   dev-python/g-pypi:0::gentoo 0.3 to ::installed
    "Manages ebuilds using information from Python Package Index"
    -doc (-test) build_options: symbols=compress dwarf_compress -optional_tests -trace work=tidyup
    Reasons: target
    54.37 kBytes to download

Total: 9 new installs, 3.38 MBytes to download

Build Options:
    dwarf_compress:                Compress DWARF2+ debug information
    optional_tests:                Run tests considered by the package to be optional
    symbols:                       How to handle debug symbols in installed files
    trace:                         Trace actions executed by the package (very noisy, for debugging broken builds only)
    work:                          Whether to preserve or remove working directories

USE:
    doc:                           Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
    examples:                      Install examples, usually source code
    test:                          Workaround to pull in packages needed to run with FEATURES=test. Portage-2.1.2 handles this internally, so don't set it in make.conf/package.use anymore

python_targets:
    pypy2_0:                       Build with PyPy 2.0
    python2_6:                     Build with Python 2.6
    python2_7:                     Build with Python 2.7
    python3_2:                     Build with Python 3.2
    python3_3:                     Build with Python 3.3

I encountered the following errors:

!   sys-apps/portage
    Reasons: app-portage/gentoolkit-0.3.0.8-r2:0::gentoo, app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo, app-portage/metagen-0.6.2:0::gentoo
    Unsuitable candidates:
      * sys-apps/portage-2.1.6.7_p1:0::gentoo
        Masked by profile
            Andreas K. Huettel <dilfridge@gentoo.org> (14 Jan 2013) Mask portage versions not supporting EAPI=5
        Did not meet >=sys-apps/portage-2.1.9.42, use existing if possible, installing to / from app-portage/metagen-0.6.2:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_single_target_python2_7' disabled, assuming disabled if missing
      * sys-apps/portage-2.1.6.11-r1:0::layman (in ::crg)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet >=sys-apps/portage-2.1.9.42, use existing if possible, installing to / from app-portage/metagen-0.6.2:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.1.6.13-r1:0::layman (in ::crg)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet >=sys-apps/portage-2.1.9.42, use existing if possible, installing to / from app-portage/metagen-0.6.2:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.1.9.25-r1:0::layman (in ::crg)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet >=sys-apps/portage-2.1.9.42, use existing if possible, installing to / from app-portage/metagen-0.6.2:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.1.11.9:0::layman (in ::OSSDL)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.1.11.62:0::layman (in ::regen2-overlay)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.1.11.62:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_single_target_python2_7' disabled, assuming disabled if missing
      * sys-apps/portage-2.1.12.2:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_single_target_python2_7' disabled, assuming disabled if missing
      * sys-apps/portage-2.2_rc67:0::layman (in ::neuvoo)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.2_rc67-r1:0::layman (in ::neuvoo)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.2.0_alpha101:0::layman (in ::daks)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.2.0_alpha179:0::layman (in ::regen2-overlay)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.2.0_alpha192:0::layman (in ::ixit)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.2.1:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_single_target_python2_7' disabled, assuming disabled if missing
      * sys-apps/portage-2.2.6:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_single_target_python2_7' disabled, assuming disabled if missing
      * sys-apps/portage-2.2.6-r1:0::layman (in ::multilib)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-2.2.7:0::gentoo
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_single_target_python2_7' disabled, assuming disabled if missing
      * sys-apps/portage-8888:0::layman (in ::gentoo-guis)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-9999:0::layman (in ::neuvoo)
        Masked by unavailable (In a repository which is unavailable)
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_targets_python2_7' enabled if it is enabled for 'app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo', assuming disabled if missing
      * sys-apps/portage-9999:0::gentoo
        Masked by keyword
            Keywords 
        Masked by user [user]
        Did not meet sys-apps/portage[python_targets_python2_6(-)?,python_targets_python2_7(-)?,python_targets_python3_2(-)?,python_targets_python3_3(-)?,-python_single_target_python2_6(-),-python_single_target_python2_7(-),-python_single_target_python3_2(-),-python_single_target_python3_3(-)], use existing if possible, installing to / from app-portage/gentoolkit-dev-0.2.8.3-r1:0::gentoo
            Flag 'python_single_target_python2_7' disabled, assuming disabled if missing