def generate_restrict_from_range(self, node, negate=False):
op = str(node.get("range").strip())
slot = str(node.get("slot", "").strip())
try:
restrict = self.op_translate[op.lstrip("r")]
except KeyError:
raise ValueError(f'unknown operator: {op!r}')
if node.text is None:
raise ValueError(f"{op!r} node missing version")
base = str(node.text.strip())
glob = base.endswith("*")
if glob:
base = base[:-1]
base = cpv.VersionedCPV(f"cat/pkg-{base}")
if glob:
if op != "eq":
raise ValueError(f"glob cannot be used with {op} ops")
return packages.PackageRestriction(
"fullver", values.StrGlobMatch(base.fullver))
restrictions = []
if op.startswith("r"):
if not base.revision:
if op == "rlt": # rlt -r0 can never match
# this is a non-range.
raise ValueError(
"range %s version %s is a guaranteed empty set" %
(op, str(node.text.strip())))
elif op == "rle": # rle -r0 -> = -r0
return atom_restricts.VersionMatch("=",
base.version,
negate=negate)
elif op == "rge": # rge -r0 -> ~
return atom_restricts.VersionMatch("~",
base.version,
negate=negate)
# rgt -r0 passes through to regular ~ + >
restrictions.append(atom_restricts.VersionMatch("~", base.version))
restrictions.append(
atom_restricts.VersionMatch(restrict,
base.version,
rev=base.revision), )
if slot:
restrictions.append(atom_restricts.SlotDep(slot))
return packages.AndRestriction(*restrictions, negate=negate)
def test_selected_targets(self, fakerepo):
# selected repo
options, _func = self.tool.parse_args(self.args + ['-r', 'stubrepo'])
assert options.target_repo.repo_id == 'stubrepo'
assert options.restrictions == [(base.repository_scope,
packages.AlwaysTrue)]
# dir path
options, _func = self.tool.parse_args(self.args + [fakerepo])
assert options.target_repo.repo_id == 'fakerepo'
assert options.restrictions == [(base.repository_scope,
packages.AlwaysTrue)]
# file path
os.makedirs(pjoin(fakerepo, 'dev-util', 'foo'))
ebuild_path = pjoin(fakerepo, 'dev-util', 'foo', 'foo-0.ebuild')
touch(ebuild_path)
options, _func = self.tool.parse_args(self.args + [ebuild_path])
restrictions = [
restricts.CategoryDep('dev-util'),
restricts.PackageDep('foo'),
restricts.VersionMatch('=', '0'),
]
assert list(options.restrictions) == [
(base.version_scope, packages.AndRestriction(*restrictions))
]
assert options.target_repo.repo_id == 'fakerepo'
# cwd path in unconfigured repo
with chdir(pjoin(fakerepo, 'dev-util', 'foo')):
options, _func = self.tool.parse_args(self.args)
assert options.target_repo.repo_id == 'fakerepo'
restrictions = [
restricts.CategoryDep('dev-util'),
restricts.PackageDep('foo'),
]
assert list(options.restrictions) == [
(base.package_scope, packages.AndRestriction(*restrictions))
]
# cwd path in configured repo
stubrepo = pjoin(pkgcore_const.DATA_PATH, 'stubrepo')
with chdir(stubrepo):
options, _func = self.tool.parse_args(self.args)
assert options.target_repo.repo_id == 'stubrepo'
assert list(options.restrictions) == [(base.repository_scope,
packages.AlwaysTrue)]
def path_restrict(self, path):
"""Return a restriction from a given path in a repo.
:param path: full or partial path to an ebuild
:return: a package restriction matching the given path if possible
:raises ValueError: if the repo doesn't contain the given path, the
path relates to a file that isn't an ebuild, or the ebuild isn't in the
proper directory layout
"""
if path not in self:
raise ValueError(
f"{self.repo_id!r} repo doesn't contain: {path!r}")
if not path.startswith(os.sep) and os.path.exists(
pjoin(self.location, path)):
path_chunks = path.split(os.path.sep)
else:
path = os.path.realpath(os.path.abspath(path))
relpath = path[len(os.path.realpath(self.location)):].strip('/')
path_chunks = relpath.split(os.path.sep)
if os.path.isfile(path):
if not path.endswith('.ebuild'):
raise ValueError(f"file is not an ebuild: {path!r}")
elif len(path_chunks) != 3:
# ebuild isn't in a category/PN directory
raise ValueError(
f"ebuild not in the correct directory layout: {path!r}")
restrictions = []
# add restrictions until path components run out
try:
restrictions.append(restricts.RepositoryDep(self.repo_id))
if path_chunks[0] in self.categories:
restrictions.append(restricts.CategoryDep(path_chunks[0]))
restrictions.append(restricts.PackageDep(path_chunks[1]))
base = cpv.VersionedCPV(
f"{path_chunks[0]}/{os.path.splitext(path_chunks[2])[0]}")
restrictions.append(
restricts.VersionMatch('=',
base.version,
rev=base.revision))
except IndexError:
pass
return packages.AndRestriction(*restrictions)
def native__getattr__(self, attr):
if attr != "restrictions":
raise AttributeError(attr)
# ordering here matters; against 24702 ebuilds for
# a non matchable atom with package as the first restriction
# 10 loops, best of 3: 206 msec per loop
# with category as the first(the obvious ordering)
# 10 loops, best of 3: 209 msec per loop
# why? because category is more likely to collide;
# at the time of this profiling, there were 151 categories.
# over 11k packages however.
r = [
restricts.PackageDep(self.package),
restricts.CategoryDep(self.category)
]
if self.repo_id is not None:
r.insert(0, restricts.RepositoryDep(self.repo_id))
if self.fullver is not None:
if self.op == '=*':
r.append(
packages.PackageRestriction("fullver",
values.StrGlobMatch(self.fullver)))
else:
r.append(
restricts.VersionMatch(self.op,
self.version,
self.revision,
negate=self.negate_vers))
if self.slot is not None:
r.append(restricts.SlotDep(self.slot))
if self.subslot is not None:
r.append(restricts.SubSlotDep(self.subslot))
if self.use is not None:
r.extend(restricts._parse_nontransitive_use(self.use))
r = tuple(r)
object.__setattr__(self, attr, r)
return r
def intersects(self, other):
"""Check if a passed in atom "intersects" this restriction's atom.
Two atoms "intersect" if a package can be constructed that
matches both:
- if you query for just "dev-lang/python" it "intersects" both
"dev-lang/python" and ">=dev-lang/python-2.4"
- if you query for "=dev-lang/python-2.4" it "intersects"
">=dev-lang/python-2.4" and "dev-lang/python" but not
"<dev-lang/python-2.3"
USE and slot deps are also taken into account.
The block/nonblock state of the atom is ignored.
"""
# Our "key" (cat/pkg) must match exactly:
if self.key != other.key:
return False
# Slot dep only matters if we both have one. If we do they
# must be identical:
if (self.slot is not None and other.slot is not None
and self.slot != other.slot):
return False
if (self.repo_id is not None and other.repo_id is not None
and self.repo_id != other.repo_id):
return False
# Use deps are similar: if one of us forces a flag on and the
# other forces it off we do not intersect. If only one of us
# cares about a flag it is irrelevant.
# Skip the (very common) case of one of us not having use deps:
if self.use and other.use:
# Set of flags we do not have in common:
flags = set(self.use) ^ set(other.use)
for flag in flags:
# If this is unset and we also have the set version we fail:
if flag[0] == '-' and flag[1:] in flags:
return False
# Remaining thing to check is version restrictions. Get the
# ones we can check without actual version comparisons out of
# the way first.
# If one of us is unversioned we intersect:
if not self.op or not other.op:
return True
# If we are both "unbounded" in the same direction we intersect:
if (('<' in self.op and '<' in other.op)
or ('>' in self.op and '>' in other.op)):
return True
# Trick used here: just use the atoms as sufficiently
# package-like object to pass to these functions (all that is
# needed is a version and revision attr).
# If one of us is an exact match we intersect if the other matches it:
if self.op == '=':
if other.op == '=*':
return self.fullver.startswith(other.fullver)
return restricts.VersionMatch(other.op, other.version,
other.revision).match(self)
if other.op == '=':
if self.op == '=*':
return other.fullver.startswith(self.fullver)
return restricts.VersionMatch(self.op, self.version,
self.revision).match(other)
# If we are both ~ matches we match if we are identical:
if self.op == other.op == '~':
return (self.version == other.version
and self.revision == other.revision)
# If we are both glob matches we match if one of us matches the other.
if self.op == other.op == '=*':
return (self.fullver.startswith(other.fullver)
or other.fullver.startswith(self.fullver))
# If one of us is a glob match and the other a ~ we match if the glob
# matches the ~ (ignoring a revision on the glob):
if self.op == '=*' and other.op == '~':
return other.fullver.startswith(self.version)
if other.op == '=*' and self.op == '~':
return self.fullver.startswith(other.version)
# If we get here at least one of us is a <, <=, > or >=:
if self.op in ('<', '<=', '>', '>='):
ranged, other = self, other
else:
ranged, other = other, self
if '<' in other.op or '>' in other.op:
# We are both ranged, and in the opposite "direction" (or
# we would have matched above). We intersect if we both
# match the other's endpoint (just checking one endpoint
# is not enough, it would give a false positive on <=2 vs >2)
return (restricts.VersionMatch(other.op, other.version,
other.revision).match(ranged)
and restricts.VersionMatch(ranged.op, ranged.version,
ranged.revision).match(other))
if other.op == '~':
# Other definitely matches its own version. If ranged also
# does we're done:
if restricts.VersionMatch(ranged.op, ranged.version,
ranged.revision).match(other):
return True
# The only other case where we intersect is if ranged is a
# > or >= on other's version and a nonzero revision. In
# that case other will match ranged. Be careful not to
# give a false positive for ~2 vs <2 here:
return ranged.op in ('>', '>=') and restricts.VersionMatch(
other.op, other.version, other.revision).match(ranged)
if other.op == '=*':
# The fun one, since glob matches do not correspond to a
# single contiguous region of versions.
# a glob match definitely matches its own version, so if
# ranged does too we're done:
if restricts.VersionMatch(ranged.op, ranged.version,
ranged.revision).match(other):
return True
if '<' in ranged.op:
# Remaining cases where this intersects: there is a
# package smaller than ranged.fullver and
# other.fullver that they both match.
# If other.revision is not None then other does not
# match anything smaller than its own fullver:
if other.revision is not None:
return False
# If other.revision is None then we can always
# construct a package smaller than other.fullver by
# tagging e.g. an _alpha1 on, since
# cat/pkg_beta2_alpha1_alpha1 is a valid version.
# (Yes, really. Try it if you don't believe me.)
# If and only if other also matches ranged then
# ranged will also match one of those smaller packages.
# XXX (I think, need to try harder to verify this.)
return ranged.fullver.startswith(other.version)
else:
# Remaining cases where this intersects: there is a
# package greater than ranged.fullver and
# other.fullver that they both match.
# We can always construct a package greater than
# other.fullver by adding a digit to it.
# If and only if other also matches ranged then
# ranged will match such a larger package
# XXX (I think, need to try harder to verify this.)
return ranged.fullver.startswith(other.version)
# Handled all possible ops.
raise NotImplementedError(
'Someone added an op to atom without adding it to intersects')
