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# Copyright 2010-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import collections
from portage import eapi_is_supported
def eapi_has_iuse_defaults(eapi):
return eapi != "0"
def eapi_has_slot_deps(eapi):
return eapi != "0"
def eapi_has_slot_abi(eapi):
return eapi in ("4-slot-abi",)
def eapi_has_src_uri_arrows(eapi):
return eapi not in ("0", "1")
def eapi_has_use_deps(eapi):
return eapi not in ("0", "1")
def eapi_has_strong_blocks(eapi):
return eapi not in ("0", "1")
def eapi_has_src_prepare_and_src_configure(eapi):
return eapi not in ("0", "1")
def eapi_supports_prefix(eapi):
return eapi not in ("0", "1", "2")
def eapi_exports_AA(eapi):
return eapi in ("0", "1", "2", "3")
def eapi_exports_KV(eapi):
return eapi in ("0", "1", "2", "3")
def eapi_exports_merge_type(eapi):
return eapi not in ("0", "1", "2", "3")
def eapi_exports_replace_vars(eapi):
return eapi not in ("0", "1", "2", "3")
def eapi_exports_REPOSITORY(eapi):
return eapi in ("4-python",)
def eapi_has_pkg_pretend(eapi):
return eapi not in ("0", "1", "2", "3")
def eapi_has_implicit_rdepend(eapi):
return eapi in ("0", "1", "2", "3")
def eapi_has_dosed_dohard(eapi):
return eapi in ("0", "1", "2", "3")
def eapi_has_required_use(eapi):
return eapi not in ("0", "1", "2", "3")
def eapi_has_use_dep_defaults(eapi):
return eapi not in ("0", "1", "2", "3")
def eapi_has_repo_deps(eapi):
return eapi in ("4-python",)
def eapi_allows_dots_in_PN(eapi):
return eapi in ("4-python",)
def eapi_allows_dots_in_use_flags(eapi):
return eapi in ("4-python",)
_eapi_attrs = collections.namedtuple('_eapi_attrs',
'dots_in_PN dots_in_use_flags iuse_defaults '
'repo_deps required_use slot_abi slot_deps '
'src_uri_arrows strong_blocks use_deps use_dep_defaults')
_eapi_attrs_cache = {}
def _get_eapi_attrs(eapi):
"""
When eapi is None then validation is not as strict, since we want the
same to work for multiple EAPIs that may have slightly different rules.
An unsupported eapi is handled the same as when eapi is None, which may
be helpful for handling of corrupt EAPI metadata in essential functions
such as pkgsplit.
"""
eapi_attrs = _eapi_attrs_cache.get(eapi)
if eapi_attrs is not None:
return eapi_attrs
orig_eapi = eapi
if eapi is not None and not eapi_is_supported(eapi):
eapi = None
eapi_attrs = _eapi_attrs(
dots_in_PN = (eapi is None or eapi_allows_dots_in_PN(eapi)),
dots_in_use_flags = (eapi is None or eapi_allows_dots_in_use_flags(eapi)),
iuse_defaults = (eapi is None or eapi_has_iuse_defaults(eapi)),
repo_deps = (eapi is None or eapi_has_repo_deps(eapi)),
required_use = (eapi is None or eapi_has_required_use(eapi)),
slot_deps = (eapi is None or eapi_has_slot_deps(eapi)),
slot_abi = (eapi is None or eapi_has_slot_abi(eapi)),
src_uri_arrows = (eapi is None or eapi_has_src_uri_arrows(eapi)),
strong_blocks = (eapi is None or eapi_has_strong_blocks(eapi)),
use_deps = (eapi is None or eapi_has_use_deps(eapi)),
use_dep_defaults = (eapi is None or eapi_has_use_dep_defaults(eapi))
)
_eapi_attrs_cache[orig_eapi] = eapi_attrs
return eapi_attrs
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