def __init__(self, root_config, pkg_cache=None):
self._root_config = root_config
if pkg_cache is None:
pkg_cache = {}
real_vartree = root_config.trees["vartree"]
portdb = root_config.trees["porttree"].dbapi
self.root = real_vartree.root
self.settings = real_vartree.settings
mykeys = list(real_vartree.dbapi._aux_cache_keys)
if "_mtime_" not in mykeys:
mykeys.append("_mtime_")
self._db_keys = mykeys
self._pkg_cache = pkg_cache
self.dbapi = PackageVirtualDbapi(real_vartree.settings)
# Intialize variables needed for lazy cache pulls of the live ebuild
# metadata. This ensures that the vardb lock is released ASAP, without
# being delayed in case cache generation is triggered.
self._aux_get = self.dbapi.aux_get
self.dbapi.aux_get = self._aux_get_wrapper
self._match = self.dbapi.match
self.dbapi.match = self._match_wrapper
self._aux_get_history = set()
self._portdb_keys = ["EAPI", "DEPEND", "RDEPEND", "PDEPEND"]
self._portdb = portdb
self._global_updates = None
def __init__(self, root_config, pkg_cache=None):
self._root_config = root_config
if pkg_cache is None:
pkg_cache = {}
real_vartree = root_config.trees["vartree"]
portdb = root_config.trees["porttree"].dbapi
self.root = real_vartree.root
self.settings = real_vartree.settings
mykeys = list(real_vartree.dbapi._aux_cache_keys)
if "_mtime_" not in mykeys:
mykeys.append("_mtime_")
self._db_keys = mykeys
self._pkg_cache = pkg_cache
self.dbapi = PackageVirtualDbapi(real_vartree.settings)
# Intialize variables needed for lazy cache pulls of the live ebuild
# metadata. This ensures that the vardb lock is released ASAP, without
# being delayed in case cache generation is triggered.
self._aux_get = self.dbapi.aux_get
self.dbapi.aux_get = self._aux_get_wrapper
self._match = self.dbapi.match
self.dbapi.match = self._match_wrapper
self._aux_get_history = set()
self._portdb_keys = ["EAPI", "DEPEND", "RDEPEND", "PDEPEND"]
self._portdb = portdb
self._global_updates = None
def __init__(
self,
root_config,
pkg_cache=None,
pkg_root_config=None,
dynamic_deps=False,
ignore_built_slot_operator_deps=False,
soname_deps=False,
):
self._root_config = root_config
self._dynamic_deps = dynamic_deps
self._ignore_built_slot_operator_deps = ignore_built_slot_operator_deps
if pkg_root_config is None:
pkg_root_config = self._root_config
self._pkg_root_config = pkg_root_config
if pkg_cache is None:
pkg_cache = {}
real_vartree = root_config.trees["vartree"]
self._real_vardb = real_vartree.dbapi
portdb = root_config.trees["porttree"].dbapi
self.settings = real_vartree.settings
mykeys = list(real_vartree.dbapi._aux_cache_keys)
if "_mtime_" not in mykeys:
mykeys.append("_mtime_")
self._db_keys = mykeys
self._pkg_cache = pkg_cache
self.dbapi = PackageVirtualDbapi(real_vartree.settings)
if soname_deps:
self.dbapi = PackageDbapiProvidesIndex(self.dbapi)
self.dbapi.getpath = FakeVardbGetPath(self.dbapi)
self.dbapi._aux_cache_keys = set(self._db_keys)
# Initialize variables needed for lazy cache pulls of the live ebuild
# metadata. This ensures that the vardb lock is released ASAP, without
# being delayed in case cache generation is triggered.
self._aux_get = self.dbapi.aux_get
self._match = self.dbapi.match
if dynamic_deps:
self.dbapi.aux_get = self._aux_get_wrapper
self.dbapi.match = self._match_wrapper
self._aux_get_history = set()
self._portdb_keys = Package._dep_keys + ("EAPI", "KEYWORDS")
self._portdb = portdb
self._global_updates = None
class FakeVartree(vartree):
"""This is implements an in-memory copy of a vartree instance that provides
all the interfaces required for use by the depgraph. The vardb is locked
during the constructor call just long enough to read a copy of the
installed package information. This allows the depgraph to do it's
dependency calculations without holding a lock on the vardb. It also
allows things like vardb global updates to be done in memory so that the
user doesn't necessarily need write access to the vardb in cases where
global updates are necessary (updates are performed when necessary if there
is not a matching ebuild in the tree). Instances of this class are not
populated until the sync() method is called."""
def __init__(self, root_config, pkg_cache=None):
self._root_config = root_config
if pkg_cache is None:
pkg_cache = {}
real_vartree = root_config.trees["vartree"]
portdb = root_config.trees["porttree"].dbapi
self.root = real_vartree.root
self.settings = real_vartree.settings
mykeys = list(real_vartree.dbapi._aux_cache_keys)
if "_mtime_" not in mykeys:
mykeys.append("_mtime_")
self._db_keys = mykeys
self._pkg_cache = pkg_cache
self.dbapi = PackageVirtualDbapi(real_vartree.settings)
# Intialize variables needed for lazy cache pulls of the live ebuild
# metadata. This ensures that the vardb lock is released ASAP, without
# being delayed in case cache generation is triggered.
self._aux_get = self.dbapi.aux_get
self.dbapi.aux_get = self._aux_get_wrapper
self._match = self.dbapi.match
self.dbapi.match = self._match_wrapper
self._aux_get_history = set()
self._portdb_keys = ["EAPI", "DEPEND", "RDEPEND", "PDEPEND"]
self._portdb = portdb
self._global_updates = None
def _match_wrapper(self, cpv, use_cache=1):
"""
Make sure the metadata in Package instances gets updated for any
cpv that is returned from a match() call, since the metadata can
be accessed directly from the Package instance instead of via
aux_get().
"""
matches = self._match(cpv, use_cache=use_cache)
for cpv in matches:
if cpv in self._aux_get_history:
continue
self._aux_get_wrapper(cpv, [])
return matches
def _aux_get_wrapper(self, pkg, wants):
if pkg in self._aux_get_history:
return self._aux_get(pkg, wants)
self._aux_get_history.add(pkg)
try:
# Use the live ebuild metadata if possible.
live_metadata = dict(zip(self._portdb_keys,
self._portdb.aux_get(pkg, self._portdb_keys)))
if not portage.eapi_is_supported(live_metadata["EAPI"]):
raise KeyError(pkg)
self.dbapi.aux_update(pkg, live_metadata)
except (KeyError, portage.exception.PortageException):
if self._global_updates is None:
self._global_updates = \
grab_global_updates(self._portdb.porttree_root)
perform_global_updates(
pkg, self.dbapi, self._global_updates)
return self._aux_get(pkg, wants)
def sync(self, acquire_lock=1):
"""
Call this method to synchronize state with the real vardb
after one or more packages may have been installed or
uninstalled.
"""
vdb_path = os.path.join(self.root, portage.VDB_PATH)
try:
# At least the parent needs to exist for the lock file.
portage.util.ensure_dirs(vdb_path)
except portage.exception.PortageException:
pass
vdb_lock = None
try:
if acquire_lock and os.access(vdb_path, os.W_OK):
vdb_lock = portage.locks.lockdir(vdb_path)
self._sync()
finally:
if vdb_lock:
portage.locks.unlockdir(vdb_lock)
# Populate the old-style virtuals using the cached values.
if not self.settings.treeVirtuals:
# Skip the aux_get wrapper here, to avoid unwanted
# cache generation.
try:
self.dbapi.aux_get = self._aux_get
self.settings._populate_treeVirtuals(self)
finally:
self.dbapi.aux_get = self._aux_get_wrapper
def _sync(self):
real_vardb = self._root_config.trees["vartree"].dbapi
current_cpv_set = frozenset(real_vardb.cpv_all())
pkg_vardb = self.dbapi
aux_get_history = self._aux_get_history
# Remove any packages that have been uninstalled.
for pkg in list(pkg_vardb):
if pkg.cpv not in current_cpv_set:
pkg_vardb.cpv_remove(pkg)
aux_get_history.discard(pkg.cpv)
# Validate counters and timestamps.
slot_counters = {}
root = self.root
validation_keys = ["COUNTER", "_mtime_"]
for cpv in current_cpv_set:
pkg_hash_key = ("installed", root, cpv, "nomerge")
pkg = pkg_vardb.get(pkg_hash_key)
if pkg is not None:
counter, mtime = real_vardb.aux_get(cpv, validation_keys)
try:
counter = long(counter)
except ValueError:
counter = 0
if counter != pkg.counter or \
mtime != pkg.mtime:
pkg_vardb.cpv_remove(pkg)
aux_get_history.discard(pkg.cpv)
pkg = None
if pkg is None:
pkg = self._pkg(cpv)
other_counter = slot_counters.get(pkg.slot_atom)
if other_counter is not None:
if other_counter > pkg.counter:
continue
slot_counters[pkg.slot_atom] = pkg.counter
pkg_vardb.cpv_inject(pkg)
real_vardb.flush_cache()
def _pkg(self, cpv):
root_config = self._root_config
real_vardb = root_config.trees["vartree"].dbapi
pkg = Package(cpv=cpv, built=True, installed=True,
metadata=zip(self._db_keys,
real_vardb.aux_get(cpv, self._db_keys)),
root_config=root_config,
type_name="installed")
try:
mycounter = long(pkg.metadata["COUNTER"])
except ValueError:
mycounter = 0
pkg.metadata["COUNTER"] = str(mycounter)
return pkg
class FakeVartree(vartree):
"""This is implements an in-memory copy of a vartree instance that provides
all the interfaces required for use by the depgraph. The vardb is locked
during the constructor call just long enough to read a copy of the
installed package information. This allows the depgraph to do it's
dependency calculations without holding a lock on the vardb. It also
allows things like vardb global updates to be done in memory so that the
user doesn't necessarily need write access to the vardb in cases where
global updates are necessary (updates are performed when necessary if there
is not a matching ebuild in the tree). Instances of this class are not
populated until the sync() method is called."""
def __init__(self, root_config, pkg_cache=None):
self._root_config = root_config
if pkg_cache is None:
pkg_cache = {}
real_vartree = root_config.trees["vartree"]
portdb = root_config.trees["porttree"].dbapi
self.root = real_vartree.root
self.settings = real_vartree.settings
mykeys = list(real_vartree.dbapi._aux_cache_keys)
if "_mtime_" not in mykeys:
mykeys.append("_mtime_")
self._db_keys = mykeys
self._pkg_cache = pkg_cache
self.dbapi = PackageVirtualDbapi(real_vartree.settings)
# Intialize variables needed for lazy cache pulls of the live ebuild
# metadata. This ensures that the vardb lock is released ASAP, without
# being delayed in case cache generation is triggered.
self._aux_get = self.dbapi.aux_get
self.dbapi.aux_get = self._aux_get_wrapper
self._match = self.dbapi.match
self.dbapi.match = self._match_wrapper
self._aux_get_history = set()
self._portdb_keys = ["EAPI", "DEPEND", "RDEPEND", "PDEPEND"]
self._portdb = portdb
self._global_updates = None
def _match_wrapper(self, cpv, use_cache=1):
"""
Make sure the metadata in Package instances gets updated for any
cpv that is returned from a match() call, since the metadata can
be accessed directly from the Package instance instead of via
aux_get().
"""
matches = self._match(cpv, use_cache=use_cache)
for cpv in matches:
if cpv in self._aux_get_history:
continue
self._aux_get_wrapper(cpv, [])
return matches
def _aux_get_wrapper(self, pkg, wants):
if pkg in self._aux_get_history:
return self._aux_get(pkg, wants)
self._aux_get_history.add(pkg)
try:
# Use the live ebuild metadata if possible.
live_metadata = dict(
zip(self._portdb_keys,
self._portdb.aux_get(pkg, self._portdb_keys)))
if not portage.eapi_is_supported(live_metadata["EAPI"]):
raise KeyError(pkg)
self.dbapi.aux_update(pkg, live_metadata)
except (KeyError, portage.exception.PortageException):
if self._global_updates is None:
self._global_updates = \
grab_global_updates(self._portdb.porttree_root)
perform_global_updates(pkg, self.dbapi, self._global_updates)
return self._aux_get(pkg, wants)
def sync(self, acquire_lock=1):
"""
Call this method to synchronize state with the real vardb
after one or more packages may have been installed or
uninstalled.
"""
vdb_path = os.path.join(self.root, portage.VDB_PATH)
try:
# At least the parent needs to exist for the lock file.
portage.util.ensure_dirs(vdb_path)
except portage.exception.PortageException:
pass
vdb_lock = None
try:
if acquire_lock and os.access(vdb_path, os.W_OK):
vdb_lock = portage.locks.lockdir(vdb_path)
self._sync()
finally:
if vdb_lock:
portage.locks.unlockdir(vdb_lock)
# Populate the old-style virtuals using the cached values.
if not self.settings.treeVirtuals:
# Skip the aux_get wrapper here, to avoid unwanted
# cache generation.
try:
self.dbapi.aux_get = self._aux_get
self.settings._populate_treeVirtuals(self)
finally:
self.dbapi.aux_get = self._aux_get_wrapper
def _sync(self):
real_vardb = self._root_config.trees["vartree"].dbapi
current_cpv_set = frozenset(real_vardb.cpv_all())
pkg_vardb = self.dbapi
aux_get_history = self._aux_get_history
# Remove any packages that have been uninstalled.
for pkg in list(pkg_vardb):
if pkg.cpv not in current_cpv_set:
pkg_vardb.cpv_remove(pkg)
aux_get_history.discard(pkg.cpv)
# Validate counters and timestamps.
slot_counters = {}
root = self.root
validation_keys = ["COUNTER", "_mtime_"]
for cpv in current_cpv_set:
pkg_hash_key = ("installed", root, cpv, "nomerge")
pkg = pkg_vardb.get(pkg_hash_key)
if pkg is not None:
counter, mtime = real_vardb.aux_get(cpv, validation_keys)
try:
counter = long(counter)
except ValueError:
counter = 0
if counter != pkg.counter or \
mtime != pkg.mtime:
pkg_vardb.cpv_remove(pkg)
aux_get_history.discard(pkg.cpv)
pkg = None
if pkg is None:
pkg = self._pkg(cpv)
other_counter = slot_counters.get(pkg.slot_atom)
if other_counter is not None:
if other_counter > pkg.counter:
continue
slot_counters[pkg.slot_atom] = pkg.counter
pkg_vardb.cpv_inject(pkg)
real_vardb.flush_cache()
def _pkg(self, cpv):
root_config = self._root_config
real_vardb = root_config.trees["vartree"].dbapi
pkg = Package(cpv=cpv,
built=True,
installed=True,
metadata=zip(self._db_keys,
real_vardb.aux_get(cpv, self._db_keys)),
root_config=root_config,
type_name="installed")
try:
mycounter = long(pkg.metadata["COUNTER"])
except ValueError:
mycounter = 0
pkg.metadata["COUNTER"] = str(mycounter)
return pkg