def test_evaluate_conditionals(self):
test_cases = (
("dev-libs/A[foo]", [], "dev-libs/A[foo]"),
("dev-libs/A[foo]", ["foo"], "dev-libs/A[foo]"),
("dev-libs/A:0[foo=]", ["foo"], "dev-libs/A:0[foo]"),
("dev-libs/A[foo,-bar]", [], "dev-libs/A[foo,-bar]"),
("dev-libs/A[-foo,bar]", [], "dev-libs/A[-foo,bar]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", [], "dev-libs/A[a,-b,c,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["a"],
"dev-libs/A[a,-b,c,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["b"],
"dev-libs/A[a,b,c,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["c"],
"dev-libs/A[a,-b,-c,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["d"],
"dev-libs/A[a,-b,c,d,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["e"], "dev-libs/A[a,-b,c,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["f"],
"dev-libs/A[a,-b,c,-e,-f]"),
("dev-libs/A[a(-),b(+)=,!c(-)=,d(+)?,!e(-)?,-f(+)]", ["d"],
"dev-libs/A[a(-),-b(+),c(-),d(+),-e(-),-f(+)]"),
("dev-libs/A[a(+),b(-)=,!c(+)=,d(-)?,!e(+)?,-f(-)]", ["f"],
"dev-libs/A[a(+),-b(-),c(+),-e(+),-f(-)]"),
)
for atom, use, expected_atom in test_cases:
a = Atom(atom)
b = a.evaluate_conditionals(use)
self.assertEqual(str(b), expected_atom)
self.assertEqual(str(b.unevaluated_atom), atom)
def test_evaluate_conditionals(self):
test_cases = (
("dev-libs/A[foo]", [], "dev-libs/A[foo]"),
("dev-libs/A[foo]", ["foo"], "dev-libs/A[foo]"),
("dev-libs/A:0[foo=]", ["foo"], "dev-libs/A:0[foo]"),
("dev-libs/A[foo,-bar]", [], "dev-libs/A[foo,-bar]"),
("dev-libs/A[-foo,bar]", [], "dev-libs/A[-foo,bar]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", [], "dev-libs/A[a,-b,c,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["a"], "dev-libs/A[a,-b,c,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["b"], "dev-libs/A[a,b,c,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["c"], "dev-libs/A[a,-b,-c,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["d"], "dev-libs/A[a,-b,c,d,-e,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["e"], "dev-libs/A[a,-b,c,-f]"),
("dev-libs/A[a,b=,!c=,d?,!e?,-f]", ["f"], "dev-libs/A[a,-b,c,-e,-f]"),
("dev-libs/A[a(-),b(+)=,!c(-)=,d(+)?,!e(-)?,-f(+)]", ["d"], "dev-libs/A[a(-),-b(+),c(-),d(+),-e(-),-f(+)]"),
("dev-libs/A[a(+),b(-)=,!c(+)=,d(-)?,!e(+)?,-f(-)]", ["f"], "dev-libs/A[a(+),-b(-),c(+),-e(+),-f(-)]"),
)
for atom, use, expected_atom in test_cases:
a = Atom(atom)
b = a.evaluate_conditionals(use)
self.assertEqual(str(b), expected_atom)
self.assertEqual(str(b.unevaluated_atom), atom)
def __call__(self, argv):
"""
@return: tuple of (stdout, stderr, returncode)
"""
# Python 3:
# cmd, root, *args = argv
cmd = argv[0]
root = argv[1]
args = argv[2:]
warnings = []
warnings_str = ''
db = self.get_db()
eapi = self.settings.get('EAPI')
root = normalize_path(root or os.sep).rstrip(os.sep) + os.sep
if root not in db:
return ('', '%s: Invalid ROOT: %s\n' % (cmd, root), 3)
portdb = db[root]["porttree"].dbapi
vardb = db[root]["vartree"].dbapi
if cmd in ('best_version', 'has_version'):
try:
atom = Atom(args[0], allow_repo=False)
except InvalidAtom:
return ('', '%s: Invalid atom: %s\n' % (cmd, args[0]), 2)
try:
atom = Atom(args[0], allow_repo=False, eapi=eapi)
except InvalidAtom as e:
warnings.append("QA Notice: %s: %s" % (cmd, e))
use = self.settings.get('PORTAGE_BUILT_USE')
if use is None:
use = self.settings['PORTAGE_USE']
use = frozenset(use.split())
atom = atom.evaluate_conditionals(use)
if warnings:
warnings_str = self._elog('eqawarn', warnings)
if cmd == 'has_version':
if vardb.match(atom):
returncode = 0
else:
returncode = 1
return ('', warnings_str, returncode)
elif cmd == 'best_version':
m = best(vardb.match(atom))
return ('%s\n' % m, warnings_str, 0)
else:
return ('', 'Invalid command: %s\n' % cmd, 3)
def __call__(self, argv):
"""
@returns: tuple of (stdout, stderr, returncode)
"""
cmd, root, atom_str = argv
eapi = self.settings.get('EAPI')
allow_repo = eapi_has_repo_deps(eapi)
try:
atom = Atom(atom_str, allow_repo=allow_repo)
except InvalidAtom:
return ('', 'invalid atom: %s\n' % atom_str, 2)
warnings = []
try:
atom = Atom(atom_str, allow_repo=allow_repo, eapi=eapi)
except InvalidAtom as e:
warnings.append(_unicode_decode("QA Notice: %s: %s") % (cmd, e))
use = self.settings.get('PORTAGE_BUILT_USE')
if use is None:
use = self.settings['PORTAGE_USE']
use = frozenset(use.split())
atom = atom.evaluate_conditionals(use)
db = self._db
if db is None:
db = portage.db
warnings_str = ''
if warnings:
warnings_str = self._elog('eqawarn', warnings)
root = normalize_path(root).rstrip(os.path.sep) + os.path.sep
if root not in db:
return ('', 'invalid ROOT: %s\n' % root, 2)
vardb = db[root]["vartree"].dbapi
if cmd == 'has_version':
if vardb.match(atom):
returncode = 0
else:
returncode = 1
return ('', warnings_str, returncode)
elif cmd == 'best_version':
m = best(vardb.match(atom))
return ('%s\n' % m, warnings_str, 0)
else:
return ('', 'invalid command: %s\n' % cmd, 2)
def __call__(self, argv):
"""
@returns: tuple of (stdout, stderr, returncode)
"""
# Note that $USE is passed via IPC in order to ensure that
# we have the correct value for built/installed packages,
# since the config class doesn't currently provide a way
# to access built/installed $USE that would work in all
# possible scenarios.
cmd, root, atom, use = argv
try:
atom = Atom(atom)
except InvalidAtom:
return ('', 'invalid atom: %s\n' % atom, 2)
use = frozenset(use.split())
atom = atom.evaluate_conditionals(use)
db = self._db
if db is None:
db = portage.db
root = normalize_path(root).rstrip(os.path.sep) + os.path.sep
if root not in db:
return ('', 'invalid ROOT: %s\n' % root, 2)
vardb = db[root]["vartree"].dbapi
if cmd == 'has_version':
if vardb.match(atom):
returncode = 0
else:
returncode = 1
return ('', '', returncode)
elif cmd == 'best_version':
m = best(vardb.match(atom))
return ('%s\n' % m, '', 0)
else:
return ('', 'invalid command: %s\n' % cmd, 2)
def clean_subslots(depatom, usel=None):
if isinstance(depatom, list):
# process the nested list.
return [clean_subslots(x, usel) for x in depatom]
try:
# this can be either an atom or some special operator.
# in the latter case, we get InvalidAtom and pass it as-is.
a = Atom(depatom)
except InvalidAtom:
return depatom
# if we're processing portdb, we need to evaluate USE flag
# dependency conditionals to make them match vdb. this
# requires passing the list of USE flags, so we reuse it
# as conditional for the operation as well.
if usel is not None:
a = a.evaluate_conditionals(usel)
# replace slot operator := dependencies with plain :=
# since we can't properly compare expanded slots
# in vardb to abstract slots in portdb.
return subslot_repl_re.sub(':=', a)
def clean_subslots(depatom, usel=None):
if isinstance(depatom, list):
# process the nested list.
return [clean_subslots(x, usel) for x in depatom]
else:
try:
# this can be either an atom or some special operator.
# in the latter case, we get InvalidAtom and pass it as-is.
a = Atom(depatom)
except InvalidAtom:
return depatom
else:
# if we're processing portdb, we need to evaluate USE flag
# dependency conditionals to make them match vdb. this
# requires passing the list of USE flags, so we reuse it
# as conditional for the operation as well.
if usel is not None:
a = a.evaluate_conditionals(usel)
# replace slot operator := dependencies with plain :=
# since we can't properly compare expanded slots
# in vardb to abstract slots in portdb.
return subslot_repl_re.sub(':=', a)
def __call__(self, argv):
"""
@return: tuple of (stdout, stderr, returncode)
"""
# Python 3:
# cmd, root, *args = argv
cmd = argv[0]
root = argv[1]
args = argv[2:]
warnings = []
warnings_str = ''
db = self.get_db()
eapi = self.settings.get('EAPI')
root = normalize_path(root or os.sep).rstrip(os.sep) + os.sep
if root not in db:
return ('', '%s: Invalid ROOT: %s\n' % (cmd, root), 3)
portdb = db[root]["porttree"].dbapi
vardb = db[root]["vartree"].dbapi
if cmd in ('best_version', 'has_version'):
allow_repo = eapi_has_repo_deps(eapi)
try:
atom = Atom(args[0], allow_repo=allow_repo)
except InvalidAtom:
return ('', '%s: Invalid atom: %s\n' % (cmd, args[0]), 2)
try:
atom = Atom(args[0], allow_repo=allow_repo, eapi=eapi)
except InvalidAtom as e:
warnings.append("QA Notice: %s: %s" % (cmd, e))
use = self.settings.get('PORTAGE_BUILT_USE')
if use is None:
use = self.settings['PORTAGE_USE']
use = frozenset(use.split())
atom = atom.evaluate_conditionals(use)
if warnings:
warnings_str = self._elog('eqawarn', warnings)
if cmd == 'has_version':
if vardb.match(atom):
returncode = 0
else:
returncode = 1
return ('', warnings_str, returncode)
elif cmd == 'best_version':
m = best(vardb.match(atom))
return ('%s\n' % m, warnings_str, 0)
elif cmd in ('master_repositories', 'repository_path',
'available_eclasses', 'eclass_path', 'license_path'):
repo = _repo_name_re.match(args[0])
if repo is None:
return ('', '%s: Invalid repository: %s\n' % (cmd, args[0]), 2)
try:
repo = portdb.repositories[args[0]]
except KeyError:
return ('', warnings_str, 1)
if cmd == 'master_repositories':
return ('%s\n' % ' '.join(x.name for x in repo.masters),
warnings_str, 0)
elif cmd == 'repository_path':
return ('%s\n' % repo.location, warnings_str, 0)
elif cmd == 'available_eclasses':
return ('%s\n' % ' '.join(sorted(repo.eclass_db.eclasses)),
warnings_str, 0)
elif cmd == 'eclass_path':
try:
eclass = repo.eclass_db.eclasses[args[1]]
except KeyError:
return ('', warnings_str, 1)
return ('%s\n' % eclass.location, warnings_str, 0)
elif cmd == 'license_path':
paths = reversed([
os.path.join(x.location, 'licenses', args[1])
for x in list(repo.masters) + [repo]
])
for path in paths:
if os.path.exists(path):
return ('%s\n' % path, warnings_str, 0)
return ('', warnings_str, 1)
else:
return ('', 'Invalid command: %s\n' % cmd, 3)
def _expand_new_virtuals(
mysplit, edebug, mydbapi, mysettings, myroot="/", trees=None, use_mask=None, use_force=None, **kwargs
):
"""
In order to solve bug #141118, recursively expand new-style virtuals so
as to collapse one or more levels of indirection, generating an expanded
search space. In dep_zapdeps, new-style virtuals will be assigned
zero cost regardless of whether or not they are currently installed. Virtual
blockers are supported but only when the virtual expands to a single
atom because it wouldn't necessarily make sense to block all the components
of a compound virtual. When more than one new-style virtual is matched,
the matches are sorted from highest to lowest versions and the atom is
expanded to || ( highest match ... lowest match )."""
newsplit = []
mytrees = trees[myroot]
portdb = mytrees["porttree"].dbapi
pkg_use_enabled = mytrees.get("pkg_use_enabled")
# Atoms are stored in the graph as (atom, id(atom)) tuples
# since each atom is considered to be a unique entity. For
# example, atoms that appear identical may behave differently
# in USE matching, depending on their unevaluated form. Also,
# specially generated virtual atoms may appear identical while
# having different _orig_atom attributes.
atom_graph = mytrees.get("atom_graph")
parent = mytrees.get("parent")
virt_parent = mytrees.get("virt_parent")
graph_parent = None
if parent is not None:
if virt_parent is not None:
graph_parent = virt_parent
parent = virt_parent
else:
graph_parent = parent
repoman = not mysettings.local_config
if kwargs["use_binaries"]:
portdb = trees[myroot]["bintree"].dbapi
pprovideddict = mysettings.pprovideddict
myuse = kwargs["myuse"]
for x in mysplit:
if x == "||":
newsplit.append(x)
continue
elif isinstance(x, list):
newsplit.append(
_expand_new_virtuals(
x,
edebug,
mydbapi,
mysettings,
myroot=myroot,
trees=trees,
use_mask=use_mask,
use_force=use_force,
**kwargs
)
)
continue
if not isinstance(x, Atom):
raise ParseError(_("invalid token: '%s'") % x)
if repoman:
x = x._eval_qa_conditionals(use_mask, use_force)
mykey = x.cp
if not mykey.startswith("virtual/"):
newsplit.append(x)
if atom_graph is not None:
atom_graph.add((x, id(x)), graph_parent)
continue
if x.blocker:
# Virtual blockers are no longer expanded here since
# the un-expanded virtual atom is more useful for
# maintaining a cache of blocker atoms.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add((x, id(x)), graph_parent)
continue
if repoman or not hasattr(portdb, "match_pkgs") or pkg_use_enabled is None:
if portdb.cp_list(x.cp):
newsplit.append(x)
else:
a = []
myvartree = mytrees.get("vartree")
if myvartree is not None:
mysettings._populate_treeVirtuals_if_needed(myvartree)
mychoices = mysettings.getvirtuals().get(mykey, [])
for y in mychoices:
a.append(Atom(x.replace(x.cp, y.cp, 1)))
if not a:
newsplit.append(x)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(["||"] + a)
continue
pkgs = []
# Ignore USE deps here, since otherwise we might not
# get any matches. Choices with correct USE settings
# will be preferred in dep_zapdeps().
matches = portdb.match_pkgs(x.without_use)
# Use descending order to prefer higher versions.
matches.reverse()
for pkg in matches:
# only use new-style matches
if pkg.cp.startswith("virtual/"):
pkgs.append(pkg)
mychoices = []
if not pkgs and not portdb.cp_list(x.cp):
myvartree = mytrees.get("vartree")
if myvartree is not None:
mysettings._populate_treeVirtuals_if_needed(myvartree)
mychoices = mysettings.getvirtuals().get(mykey, [])
if not (pkgs or mychoices):
# This one couldn't be expanded as a new-style virtual. Old-style
# virtuals have already been expanded by dep_virtual, so this one
# is unavailable and dep_zapdeps will identify it as such. The
# atom is not eliminated here since it may still represent a
# dependency that needs to be satisfied.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add((x, id(x)), graph_parent)
continue
a = []
for pkg in pkgs:
virt_atom = "=" + pkg.cpv
if x.unevaluated_atom.use:
virt_atom += str(x.unevaluated_atom.use)
virt_atom = Atom(virt_atom)
if parent is None:
if myuse is None:
virt_atom = virt_atom.evaluate_conditionals(mysettings.get("PORTAGE_USE", "").split())
else:
virt_atom = virt_atom.evaluate_conditionals(myuse)
else:
virt_atom = virt_atom.evaluate_conditionals(pkg_use_enabled(parent))
else:
virt_atom = Atom(virt_atom)
# Allow the depgraph to map this atom back to the
# original, in order to avoid distortion in places
# like display or conflict resolution code.
virt_atom.__dict__["_orig_atom"] = x
# According to GLEP 37, RDEPEND is the only dependency
# type that is valid for new-style virtuals. Repoman
# should enforce this.
depstring = pkg._metadata["RDEPEND"]
pkg_kwargs = kwargs.copy()
pkg_kwargs["myuse"] = pkg_use_enabled(pkg)
if edebug:
writemsg_level(_("Virtual Parent: %s\n") % (pkg,), noiselevel=-1, level=logging.DEBUG)
writemsg_level(_("Virtual Depstring: %s\n") % (depstring,), noiselevel=-1, level=logging.DEBUG)
# Set EAPI used for validation in dep_check() recursion.
mytrees["virt_parent"] = pkg
try:
mycheck = dep_check(depstring, mydbapi, mysettings, myroot=myroot, trees=trees, **pkg_kwargs)
finally:
# Restore previous EAPI after recursion.
if virt_parent is not None:
mytrees["virt_parent"] = virt_parent
else:
del mytrees["virt_parent"]
if not mycheck[0]:
raise ParseError("%s: %s '%s'" % (pkg, mycheck[1], depstring))
# pull in the new-style virtual
mycheck[1].append(virt_atom)
a.append(mycheck[1])
if atom_graph is not None:
virt_atom_node = (virt_atom, id(virt_atom))
atom_graph.add(virt_atom_node, graph_parent)
atom_graph.add(pkg, virt_atom_node)
if not a and mychoices:
# Check for a virtual package.provided match.
for y in mychoices:
new_atom = Atom(x.replace(x.cp, y.cp, 1))
if match_from_list(new_atom, pprovideddict.get(new_atom.cp, [])):
a.append(new_atom)
if atom_graph is not None:
atom_graph.add((new_atom, id(new_atom)), graph_parent)
if not a:
newsplit.append(x)
if atom_graph is not None:
atom_graph.add((x, id(x)), graph_parent)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(["||"] + a)
return newsplit
def _expand_new_virtuals(mysplit, edebug, mydbapi, mysettings, myroot="/",
trees=None, use_mask=None, use_force=None, **kwargs):
"""
In order to solve bug #141118, recursively expand new-style virtuals so
as to collapse one or more levels of indirection, generating an expanded
search space. In dep_zapdeps, new-style virtuals will be assigned
zero cost regardless of whether or not they are currently installed. Virtual
blockers are supported but only when the virtual expands to a single
atom because it wouldn't necessarily make sense to block all the components
of a compound virtual. When more than one new-style virtual is matched,
the matches are sorted from highest to lowest versions and the atom is
expanded to || ( highest match ... lowest match )."""
newsplit = []
mytrees = trees[myroot]
portdb = mytrees["porttree"].dbapi
atom_graph = mytrees.get("atom_graph")
parent = mytrees.get("parent")
virt_parent = mytrees.get("virt_parent")
graph_parent = None
eapi = None
if parent is not None:
if virt_parent is not None:
graph_parent = virt_parent
eapi = virt_parent[0].metadata['EAPI']
else:
graph_parent = parent
eapi = parent.metadata["EAPI"]
repoman = not mysettings.local_config
if kwargs["use_binaries"]:
portdb = trees[myroot]["bintree"].dbapi
myvirtuals = mysettings.getvirtuals()
pprovideddict = mysettings.pprovideddict
myuse = kwargs["myuse"]
for x in mysplit:
if x == "||":
newsplit.append(x)
continue
elif isinstance(x, list):
newsplit.append(_expand_new_virtuals(x, edebug, mydbapi,
mysettings, myroot=myroot, trees=trees, use_mask=use_mask,
use_force=use_force, **kwargs))
continue
if not isinstance(x, Atom):
try:
x = Atom(x)
except InvalidAtom:
if portage.dep._dep_check_strict:
raise ParseError(
_("invalid atom: '%s'") % x)
else:
# Only real Atom instances are allowed past this point.
continue
else:
if x.blocker and x.blocker.overlap.forbid and \
eapi in ("0", "1") and portage.dep._dep_check_strict:
raise ParseError(
_("invalid atom: '%s'") % (x,))
if x.use and eapi in ("0", "1") and \
portage.dep._dep_check_strict:
raise ParseError(
_("invalid atom: '%s'") % (x,))
if repoman and x.use and x.use.conditional:
evaluated_atom = remove_slot(x)
if x.slot:
evaluated_atom += ":%s" % x.slot
evaluated_atom += str(x.use._eval_qa_conditionals(
use_mask, use_force))
x = Atom(evaluated_atom)
if not repoman :
if 'lib32' not in x and portage.dep_getkey(x) not in mysettings.get("NO_AUTO_FLAG", None):
if ']' in x:
x = str(x).replace(']',',lib32?]')
else:
x = str(x) + '[lib32?]'
try:
x = portage.dep.Atom(x)
except portage.exception.InvalidAtom:
if portage.dep._dep_check_strict:
raise portage.exception.ParseError(
"invalid atom: '%s'" % x)
if myuse is not None and isinstance(x, Atom) and x.use:
if x.use.conditional:
x = x.evaluate_conditionals(myuse)
mykey = x.cp
if not mykey.startswith("virtual/"):
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
mychoices = myvirtuals.get(mykey, [])
if x.blocker:
# Virtual blockers are no longer expanded here since
# the un-expanded virtual atom is more useful for
# maintaining a cache of blocker atoms.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
if repoman or not hasattr(portdb, 'match_pkgs'):
if portdb.cp_list(x.cp):
newsplit.append(x)
else:
# TODO: Add PROVIDE check for repoman.
a = []
for y in mychoices:
a.append(Atom(x.replace(x.cp, y.cp, 1)))
if not a:
newsplit.append(x)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(['||'] + a)
continue
pkgs = []
# Ignore USE deps here, since otherwise we might not
# get any matches. Choices with correct USE settings
# will be preferred in dep_zapdeps().
matches = portdb.match_pkgs(x.without_use)
# Use descending order to prefer higher versions.
matches.reverse()
for pkg in matches:
# only use new-style matches
if pkg.cp.startswith("virtual/"):
pkgs.append(pkg)
if not (pkgs or mychoices):
# This one couldn't be expanded as a new-style virtual. Old-style
# virtuals have already been expanded by dep_virtual, so this one
# is unavailable and dep_zapdeps will identify it as such. The
# atom is not eliminated here since it may still represent a
# dependency that needs to be satisfied.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
a = []
for pkg in pkgs:
virt_atom = '=' + pkg.cpv
if x.use:
virt_atom += str(x.use)
virt_atom = Atom(virt_atom)
# According to GLEP 37, RDEPEND is the only dependency
# type that is valid for new-style virtuals. Repoman
# should enforce this.
depstring = pkg.metadata['RDEPEND']
pkg_kwargs = kwargs.copy()
pkg_kwargs["myuse"] = pkg.use.enabled
if edebug:
writemsg_level(_("Virtual Parent: %s\n") \
% (pkg,), noiselevel=-1, level=logging.DEBUG)
writemsg_level(_("Virtual Depstring: %s\n") \
% (depstring,), noiselevel=-1, level=logging.DEBUG)
# Set EAPI used for validation in dep_check() recursion.
mytrees["virt_parent"] = (pkg, virt_atom)
try:
mycheck = dep_check(depstring, mydbapi, mysettings,
myroot=myroot, trees=trees, **pkg_kwargs)
finally:
# Restore previous EAPI after recursion.
if virt_parent is not None:
mytrees["virt_parent"] = virt_parent
else:
del mytrees["virt_parent"]
if not mycheck[0]:
raise ParseError(
"%s: %s '%s'" % (y[0], mycheck[1], depstring))
# pull in the new-style virtual
mycheck[1].append(virt_atom)
a.append(mycheck[1])
if atom_graph is not None:
atom_graph.add(virt_atom, graph_parent)
# Plain old-style virtuals. New-style virtuals are preferred.
if not pkgs:
for y in mychoices:
new_atom = Atom(x.replace(x.cp, y.cp, 1))
matches = portdb.match(new_atom)
# portdb is an instance of depgraph._dep_check_composite_db, so
# USE conditionals are already evaluated.
if matches and mykey in \
portdb.aux_get(matches[-1], ['PROVIDE'])[0].split():
a.append(new_atom)
if atom_graph is not None:
atom_graph.add(new_atom, graph_parent)
if not a and mychoices:
# Check for a virtual package.provided match.
for y in mychoices:
new_atom = Atom(x.replace(x.cp, y.cp, 1))
if match_from_list(new_atom,
pprovideddict.get(new_atom.cp, [])):
a.append(new_atom)
if atom_graph is not None:
atom_graph.add(new_atom, graph_parent)
if not a:
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(['||'] + a)
return newsplit
def _expand_new_virtuals(mysplit,
edebug,
mydbapi,
mysettings,
myroot="/",
trees=None,
use_mask=None,
use_force=None,
**kwargs):
"""
In order to solve bug #141118, recursively expand new-style virtuals so
as to collapse one or more levels of indirection, generating an expanded
search space. In dep_zapdeps, new-style virtuals will be assigned
zero cost regardless of whether or not they are currently installed. Virtual
blockers are supported but only when the virtual expands to a single
atom because it wouldn't necessarily make sense to block all the components
of a compound virtual. When more than one new-style virtual is matched,
the matches are sorted from highest to lowest versions and the atom is
expanded to || ( highest match ... lowest match ).
The result is normalized in the same way as use_reduce, having a top-level
conjuction, and no redundant nested lists.
"""
newsplit = []
mytrees = trees[myroot]
portdb = mytrees["porttree"].dbapi
pkg_use_enabled = mytrees.get("pkg_use_enabled")
# Atoms are stored in the graph as (atom, id(atom)) tuples
# since each atom is considered to be a unique entity. For
# example, atoms that appear identical may behave differently
# in USE matching, depending on their unevaluated form. Also,
# specially generated virtual atoms may appear identical while
# having different _orig_atom attributes.
atom_graph = mytrees.get("atom_graph")
parent = mytrees.get("parent")
virt_parent = mytrees.get("virt_parent")
graph_parent = None
if parent is not None:
if virt_parent is not None:
graph_parent = virt_parent
parent = virt_parent
else:
graph_parent = parent
repoman = not mysettings.local_config
if kwargs["use_binaries"]:
portdb = trees[myroot]["bintree"].dbapi
pprovideddict = mysettings.pprovideddict
myuse = kwargs["myuse"]
is_disjunction = mysplit and mysplit[0] == '||'
for x in mysplit:
if x == "||":
newsplit.append(x)
continue
elif isinstance(x, list):
assert x, 'Normalization error, empty conjunction found in %s' % (
mysplit, )
if is_disjunction:
assert x[0] != '||', \
'Normalization error, nested disjunction found in %s' % (mysplit,)
else:
assert x[0] == '||', \
'Normalization error, nested conjunction found in %s' % (mysplit,)
x_exp = _expand_new_virtuals(x,
edebug,
mydbapi,
mysettings,
myroot=myroot,
trees=trees,
use_mask=use_mask,
use_force=use_force,
**kwargs)
if is_disjunction:
if len(x_exp) == 1:
x = x_exp[0]
if isinstance(x, list):
# Due to normalization, a conjunction must not be
# nested directly in another conjunction, so this
# must be a disjunction.
assert x and x[0] == '||', \
'Normalization error, nested conjunction found in %s' % (x_exp,)
newsplit.extend(x[1:])
else:
newsplit.append(x)
else:
newsplit.append(x_exp)
else:
newsplit.extend(x_exp)
continue
if not isinstance(x, Atom):
raise ParseError(_("invalid token: '%s'") % x)
if repoman:
x = x._eval_qa_conditionals(use_mask, use_force)
mykey = x.cp
if not mykey.startswith("virtual/"):
newsplit.append(x)
if atom_graph is not None:
atom_graph.add((x, id(x)), graph_parent)
continue
if x.blocker:
# Virtual blockers are no longer expanded here since
# the un-expanded virtual atom is more useful for
# maintaining a cache of blocker atoms.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add((x, id(x)), graph_parent)
continue
if repoman or not hasattr(portdb, 'match_pkgs') or \
pkg_use_enabled is None:
if portdb.cp_list(x.cp):
newsplit.append(x)
else:
a = []
myvartree = mytrees.get("vartree")
if myvartree is not None:
mysettings._populate_treeVirtuals_if_needed(myvartree)
mychoices = mysettings.getvirtuals().get(mykey, [])
for y in mychoices:
a.append(Atom(x.replace(x.cp, y.cp, 1)))
if not a:
newsplit.append(x)
elif is_disjunction:
newsplit.extend(a)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(['||'] + a)
continue
pkgs = []
# Ignore USE deps here, since otherwise we might not
# get any matches. Choices with correct USE settings
# will be preferred in dep_zapdeps().
matches = portdb.match_pkgs(x.without_use)
# Use descending order to prefer higher versions.
matches.reverse()
for pkg in matches:
# only use new-style matches
if pkg.cp.startswith("virtual/"):
pkgs.append(pkg)
mychoices = []
if not pkgs and not portdb.cp_list(x.cp):
myvartree = mytrees.get("vartree")
if myvartree is not None:
mysettings._populate_treeVirtuals_if_needed(myvartree)
mychoices = mysettings.getvirtuals().get(mykey, [])
if not (pkgs or mychoices):
# This one couldn't be expanded as a new-style virtual. Old-style
# virtuals have already been expanded by dep_virtual, so this one
# is unavailable and dep_zapdeps will identify it as such. The
# atom is not eliminated here since it may still represent a
# dependency that needs to be satisfied.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add((x, id(x)), graph_parent)
continue
a = []
for pkg in pkgs:
virt_atom = '=' + pkg.cpv
if x.unevaluated_atom.use:
virt_atom += str(x.unevaluated_atom.use)
virt_atom = Atom(virt_atom)
if parent is None:
if myuse is None:
virt_atom = virt_atom.evaluate_conditionals(
mysettings.get("PORTAGE_USE", "").split())
else:
virt_atom = virt_atom.evaluate_conditionals(myuse)
else:
virt_atom = virt_atom.evaluate_conditionals(
pkg_use_enabled(parent))
else:
virt_atom = Atom(virt_atom)
# Allow the depgraph to map this atom back to the
# original, in order to avoid distortion in places
# like display or conflict resolution code.
virt_atom.__dict__['_orig_atom'] = x
# According to GLEP 37, RDEPEND is the only dependency
# type that is valid for new-style virtuals. Repoman
# should enforce this.
depstring = pkg._metadata['RDEPEND']
pkg_kwargs = kwargs.copy()
pkg_kwargs["myuse"] = pkg_use_enabled(pkg)
if edebug:
writemsg_level(_("Virtual Parent: %s\n") \
% (pkg,), noiselevel=-1, level=logging.DEBUG)
writemsg_level(_("Virtual Depstring: %s\n") \
% (depstring,), noiselevel=-1, level=logging.DEBUG)
# Set EAPI used for validation in dep_check() recursion.
mytrees["virt_parent"] = pkg
try:
mycheck = dep_check(depstring,
mydbapi,
mysettings,
myroot=myroot,
trees=trees,
**pkg_kwargs)
finally:
# Restore previous EAPI after recursion.
if virt_parent is not None:
mytrees["virt_parent"] = virt_parent
else:
del mytrees["virt_parent"]
if not mycheck[0]:
raise ParseError("%s: %s '%s'" % \
(pkg, mycheck[1], depstring))
# Replace the original atom "x" with "virt_atom" which refers
# to the specific version of the virtual whose deps we're
# expanding. The virt_atom._orig_atom attribute is used
# by depgraph to map virt_atom back to the original atom.
# We specifically exclude the original atom "x" from the
# the expanded output here, since otherwise it could trigger
# incorrect dep_zapdeps behavior (see bug #597752).
mycheck[1].append(virt_atom)
a.append(mycheck[1])
if atom_graph is not None:
virt_atom_node = (virt_atom, id(virt_atom))
atom_graph.add(virt_atom_node, graph_parent)
atom_graph.add(pkg, virt_atom_node)
atom_graph.add((x, id(x)), graph_parent)
if not a and mychoices:
# Check for a virtual package.provided match.
for y in mychoices:
new_atom = Atom(x.replace(x.cp, y.cp, 1))
if match_from_list(new_atom,
pprovideddict.get(new_atom.cp, [])):
a.append(new_atom)
if atom_graph is not None:
atom_graph.add((new_atom, id(new_atom)), graph_parent)
if not a:
newsplit.append(x)
if atom_graph is not None:
atom_graph.add((x, id(x)), graph_parent)
elif is_disjunction:
newsplit.extend(a)
elif len(a) == 1:
newsplit.extend(a[0])
else:
newsplit.append(['||'] + a)
# For consistency with related functions like use_reduce, always
# normalize the result to have a top-level conjunction.
if is_disjunction:
newsplit = [newsplit]
return newsplit
def __call__(self, argv):
"""
@return: tuple of (stdout, stderr, returncode)
"""
# Python 3:
# cmd, root, *args = argv
cmd = argv[0]
root = argv[1]
args = argv[2:]
warnings = []
warnings_str = ''
db = self.get_db()
eapi = self.settings.get('EAPI')
root = normalize_path(root or os.sep).rstrip(os.sep) + os.sep
if root not in db:
return ('', '%s: Invalid ROOT: %s\n' % (cmd, root), 3)
portdb = db[root]["porttree"].dbapi
vardb = db[root]["vartree"].dbapi
if cmd in ('best_version', 'has_version'):
allow_repo = eapi_has_repo_deps(eapi)
try:
atom = Atom(args[0], allow_repo=allow_repo)
except InvalidAtom:
return ('', '%s: Invalid atom: %s\n' % (cmd, args[0]), 2)
try:
atom = Atom(args[0], allow_repo=allow_repo, eapi=eapi)
except InvalidAtom as e:
warnings.append("QA Notice: %s: %s" % (cmd, e))
use = self.settings.get('PORTAGE_BUILT_USE')
if use is None:
use = self.settings['PORTAGE_USE']
use = frozenset(use.split())
atom = atom.evaluate_conditionals(use)
if warnings:
warnings_str = self._elog('eqawarn', warnings)
if cmd == 'has_version':
if vardb.match(atom):
returncode = 0
else:
returncode = 1
return ('', warnings_str, returncode)
elif cmd == 'best_version':
m = best(vardb.match(atom))
return ('%s\n' % m, warnings_str, 0)
elif cmd in ('master_repositories', 'repository_path', 'available_eclasses', 'eclass_path', 'license_path'):
repo = _repo_name_re.match(args[0])
if repo is None:
return ('', '%s: Invalid repository: %s\n' % (cmd, args[0]), 2)
try:
repo = portdb.repositories[args[0]]
except KeyError:
return ('', warnings_str, 1)
if cmd == 'master_repositories':
return ('%s\n' % ' '.join(x.name for x in repo.masters), warnings_str, 0)
elif cmd == 'repository_path':
return ('%s\n' % repo.location, warnings_str, 0)
elif cmd == 'available_eclasses':
return ('%s\n' % ' '.join(sorted(repo.eclass_db.eclasses)), warnings_str, 0)
elif cmd == 'eclass_path':
try:
eclass = repo.eclass_db.eclasses[args[1]]
except KeyError:
return ('', warnings_str, 1)
return ('%s\n' % eclass.location, warnings_str, 0)
elif cmd == 'license_path':
paths = reversed([os.path.join(x.location, 'licenses', args[1]) for x in list(repo.masters) + [repo]])
for path in paths:
if os.path.exists(path):
return ('%s\n' % path, warnings_str, 0)
return ('', warnings_str, 1)
else:
return ('', 'Invalid command: %s\n' % cmd, 3)
def __call__(self, argv):
"""
@return: tuple of (stdout, stderr, returncode)
"""
# Python 3:
# cmd, root, *args = argv
cmd = argv[0]
root = argv[1]
args = argv[2:]
warnings = []
warnings_str = ""
db = self.get_db()
eapi = self.settings.get("EAPI")
root = normalize_path(root or os.sep).rstrip(os.sep) + os.sep
if root not in db:
return ("", "%s: Invalid ROOT: %s\n" % (cmd, root), 3)
portdb = db[root]["porttree"].dbapi
vardb = db[root]["vartree"].dbapi
if cmd in ("best_version", "has_version"):
allow_repo = eapi_has_repo_deps(eapi)
try:
atom = Atom(args[0], allow_repo=allow_repo)
except InvalidAtom:
return ("", "%s: Invalid atom: %s\n" % (cmd, args[0]), 2)
try:
atom = Atom(args[0], allow_repo=allow_repo, eapi=eapi)
except InvalidAtom as e:
warnings.append("QA Notice: %s: %s" % (cmd, e))
use = self.settings.get("PORTAGE_BUILT_USE")
if use is None:
use = self.settings["PORTAGE_USE"]
use = frozenset(use.split())
atom = atom.evaluate_conditionals(use)
if warnings:
warnings_str = self._elog("eqawarn", warnings)
if cmd == "has_version":
if vardb.match(atom):
returncode = 0
else:
returncode = 1
return ("", warnings_str, returncode)
if cmd == "best_version":
m = best(vardb.match(atom))
return ("%s\n" % m, warnings_str, 0)
if cmd in (
"master_repositories",
"repository_path",
"available_eclasses",
"eclass_path",
"license_path",
):
repo = _repo_name_re.match(args[0])
if repo is None:
return ("", "%s: Invalid repository: %s\n" % (cmd, args[0]), 2)
try:
repo = portdb.repositories[args[0]]
except KeyError:
return ("", warnings_str, 1)
if cmd == "master_repositories":
return (
"%s\n" % " ".join(x.name for x in repo.masters),
warnings_str,
0,
)
if cmd == "repository_path":
return ("%s\n" % repo.location, warnings_str, 0)
if cmd == "available_eclasses":
return (
"%s\n" % " ".join(sorted(repo.eclass_db.eclasses)),
warnings_str,
0,
)
if cmd == "eclass_path":
try:
eclass = repo.eclass_db.eclasses[args[1]]
except KeyError:
return ("", warnings_str, 1)
return ("%s\n" % eclass.location, warnings_str, 0)
if cmd == "license_path":
paths = reversed([
os.path.join(x.location, "licenses", args[1])
for x in list(repo.masters) + [repo]
])
for path in paths:
if os.path.exists(path):
return ("%s\n" % path, warnings_str, 0)
return ("", warnings_str, 1)
return ("", "Invalid command: %s\n" % cmd, 3)
def _expand_new_virtuals(mysplit,
edebug,
mydbapi,
mysettings,
myroot="/",
trees=None,
use_mask=None,
use_force=None,
**kwargs):
"""
In order to solve bug #141118, recursively expand new-style virtuals so
as to collapse one or more levels of indirection, generating an expanded
search space. In dep_zapdeps, new-style virtuals will be assigned
zero cost regardless of whether or not they are currently installed. Virtual
blockers are supported but only when the virtual expands to a single
atom because it wouldn't necessarily make sense to block all the components
of a compound virtual. When more than one new-style virtual is matched,
the matches are sorted from highest to lowest versions and the atom is
expanded to || ( highest match ... lowest match )."""
newsplit = []
mytrees = trees[myroot]
portdb = mytrees["porttree"].dbapi
atom_graph = mytrees.get("atom_graph")
parent = mytrees.get("parent")
virt_parent = mytrees.get("virt_parent")
graph_parent = None
eapi = None
if parent is not None:
if virt_parent is not None:
graph_parent = virt_parent
eapi = virt_parent[0].metadata['EAPI']
else:
graph_parent = parent
eapi = parent.metadata["EAPI"]
repoman = not mysettings.local_config
if kwargs["use_binaries"]:
portdb = trees[myroot]["bintree"].dbapi
myvirtuals = mysettings.getvirtuals()
pprovideddict = mysettings.pprovideddict
myuse = kwargs["myuse"]
for x in mysplit:
if x == "||":
newsplit.append(x)
continue
elif isinstance(x, list):
newsplit.append(
_expand_new_virtuals(x,
edebug,
mydbapi,
mysettings,
myroot=myroot,
trees=trees,
use_mask=use_mask,
use_force=use_force,
**kwargs))
continue
if not isinstance(x, Atom):
try:
x = Atom(x)
except InvalidAtom:
if portage.dep._dep_check_strict:
raise ParseError(_("invalid atom: '%s'") % x)
else:
# Only real Atom instances are allowed past this point.
continue
else:
if x.blocker and x.blocker.overlap.forbid and \
eapi in ("0", "1") and portage.dep._dep_check_strict:
raise ParseError(_("invalid atom: '%s'") % (x, ))
if x.use and eapi in ("0", "1") and \
portage.dep._dep_check_strict:
raise ParseError(_("invalid atom: '%s'") % (x, ))
if repoman and x.use and x.use.conditional:
evaluated_atom = remove_slot(x)
if x.slot:
evaluated_atom += ":%s" % x.slot
evaluated_atom += str(
x.use._eval_qa_conditionals(use_mask, use_force))
x = Atom(evaluated_atom)
if not repoman and \
myuse is not None and isinstance(x, Atom) and x.use:
if x.use.conditional:
x = x.evaluate_conditionals(myuse)
mykey = x.cp
if not mykey.startswith("virtual/"):
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
mychoices = myvirtuals.get(mykey, [])
if x.blocker:
# Virtual blockers are no longer expanded here since
# the un-expanded virtual atom is more useful for
# maintaining a cache of blocker atoms.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
if repoman or not hasattr(portdb, 'match_pkgs'):
if portdb.cp_list(x.cp):
newsplit.append(x)
else:
# TODO: Add PROVIDE check for repoman.
a = []
for y in mychoices:
a.append(Atom(x.replace(x.cp, y.cp, 1)))
if not a:
newsplit.append(x)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(['||'] + a)
continue
pkgs = []
# Ignore USE deps here, since otherwise we might not
# get any matches. Choices with correct USE settings
# will be preferred in dep_zapdeps().
matches = portdb.match_pkgs(x.without_use)
# Use descending order to prefer higher versions.
matches.reverse()
for pkg in matches:
# only use new-style matches
if pkg.cp.startswith("virtual/"):
pkgs.append(pkg)
if not (pkgs or mychoices):
# This one couldn't be expanded as a new-style virtual. Old-style
# virtuals have already been expanded by dep_virtual, so this one
# is unavailable and dep_zapdeps will identify it as such. The
# atom is not eliminated here since it may still represent a
# dependency that needs to be satisfied.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
a = []
for pkg in pkgs:
virt_atom = '=' + pkg.cpv
if x.use:
virt_atom += str(x.use)
virt_atom = Atom(virt_atom)
# According to GLEP 37, RDEPEND is the only dependency
# type that is valid for new-style virtuals. Repoman
# should enforce this.
depstring = pkg.metadata['RDEPEND']
pkg_kwargs = kwargs.copy()
pkg_kwargs["myuse"] = pkg.use.enabled
if edebug:
writemsg_level(_("Virtual Parent: %s\n") \
% (pkg,), noiselevel=-1, level=logging.DEBUG)
writemsg_level(_("Virtual Depstring: %s\n") \
% (depstring,), noiselevel=-1, level=logging.DEBUG)
# Set EAPI used for validation in dep_check() recursion.
mytrees["virt_parent"] = (pkg, virt_atom)
try:
mycheck = dep_check(depstring,
mydbapi,
mysettings,
myroot=myroot,
trees=trees,
**pkg_kwargs)
finally:
# Restore previous EAPI after recursion.
if virt_parent is not None:
mytrees["virt_parent"] = virt_parent
else:
del mytrees["virt_parent"]
if not mycheck[0]:
raise ParseError("%s: %s '%s'" % (y[0], mycheck[1], depstring))
# pull in the new-style virtual
mycheck[1].append(virt_atom)
a.append(mycheck[1])
if atom_graph is not None:
atom_graph.add(virt_atom, graph_parent)
# Plain old-style virtuals. New-style virtuals are preferred.
if not pkgs:
for y in mychoices:
new_atom = Atom(x.replace(x.cp, y.cp, 1))
matches = portdb.match(new_atom)
# portdb is an instance of depgraph._dep_check_composite_db, so
# USE conditionals are already evaluated.
if matches and mykey in \
portdb.aux_get(matches[-1], ['PROVIDE'])[0].split():
a.append(new_atom)
if atom_graph is not None:
atom_graph.add(new_atom, graph_parent)
if not a and mychoices:
# Check for a virtual package.provided match.
for y in mychoices:
new_atom = Atom(x.replace(x.cp, y.cp, 1))
if match_from_list(new_atom,
pprovideddict.get(new_atom.cp, [])):
a.append(new_atom)
if atom_graph is not None:
atom_graph.add(new_atom, graph_parent)
if not a:
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(['||'] + a)
return newsplit
def __call__(self, argv):
"""
@return: tuple of (stdout, stderr, returncode)
"""
# Python 3:
# cmd, root, *args = argv
cmd = argv[0]
root = argv[1]
args = argv[2:]
warnings = []
warnings_str = ""
db = self.get_db()
eapi = self.settings.get("EAPI")
root = normalize_path(root).rstrip(os.path.sep) + os.path.sep
if root not in db:
return ("", "%s: Invalid ROOT: %s\n" % (cmd, root), 3)
portdb = db[root]["porttree"].dbapi
vardb = db[root]["vartree"].dbapi
if cmd in ("best_version", "has_version"):
allow_repo = eapi_has_repo_deps(eapi)
try:
atom = Atom(args[0], allow_repo=allow_repo)
except InvalidAtom:
return ("", "%s: Invalid atom: %s\n" % (cmd, args[0]), 2)
try:
atom = Atom(args[0], allow_repo=allow_repo, eapi=eapi)
except InvalidAtom as e:
warnings.append(_unicode_decode("QA Notice: %s: %s") % (cmd, e))
use = self.settings.get("PORTAGE_BUILT_USE")
if use is None:
use = self.settings["PORTAGE_USE"]
use = frozenset(use.split())
atom = atom.evaluate_conditionals(use)
if warnings:
warnings_str = self._elog("eqawarn", warnings)
if cmd == "has_version":
if vardb.match(atom):
returncode = 0
else:
returncode = 1
return ("", warnings_str, returncode)
elif cmd == "best_version":
m = best(vardb.match(atom))
return ("%s\n" % m, warnings_str, 0)
elif cmd in ("master_repositories", "repository_path", "available_eclasses", "eclass_path", "license_path"):
repo = _repo_name_re.match(args[0])
if repo is None:
return ("", "%s: Invalid repository: %s\n" % (cmd, args[0]), 2)
try:
repo = portdb.repositories[args[0]]
except KeyError:
return ("", warnings_str, 1)
if cmd == "master_repositories":
return ("%s\n" % " ".join(x.name for x in repo.masters), warnings_str, 0)
elif cmd == "repository_path":
return ("%s\n" % repo.location, warnings_str, 0)
elif cmd == "available_eclasses":
return ("%s\n" % " ".join(sorted(repo.eclass_db.eclasses)), warnings_str, 0)
elif cmd == "eclass_path":
try:
eclass = repo.eclass_db.eclasses[args[1]]
except KeyError:
return ("", warnings_str, 1)
return ("%s\n" % eclass.location, warnings_str, 0)
elif cmd == "license_path":
paths = reversed([os.path.join(x.location, "licenses", args[1]) for x in list(repo.masters) + [repo]])
for path in paths:
if os.path.exists(path):
return ("%s\n" % path, warnings_str, 0)
return ("", warnings_str, 1)
else:
return ("", "Invalid command: %s\n" % cmd, 3)
