def __init__(self, port, depends=None):
"""Initialise the databases of dependencies."""
from . import get_port
DependHandler.__init__(self)
self._count = 0 #: The count of outstanding dependencies
self._dependencies = [[], [], [], [], [], [], []] #: All dependencies
self._loading = 0 #: Number of dependencies left to load
self._bad = 0 #: Number of bad dependencies
self.failed = False #: If a dependency has failed
self.port = port #: The port whom we handle
if not depends:
depends = []
def adder(field, typ):
"""Create an adder to place resolved port on dependency list,"""
def do_add(port):
"""Add port to dependency list."""
self._add(port, field, typ)
return do_add
for i in range(len(depends)):
for j in depends[i]:
self._loading += 1
get_port(j[1]).connect(adder(j[0], i))
if not self._loading:
self._update_priority()
event.post_event(self.loaded.emit, True)
def __call__(self, port):
"""Try resolve a port as a dependency."""
assert not port.dependent.failed
if port in self.ports:
return self.ports[port]
elif port in self.finished:
sig = signal.Signal()
event.post_event(sig.emit, port)
return sig
else:
sig = signal.Signal()
self.method[port] = env.flags["method"][0]
for builder, method in zip((install, pkginstall, repoinstall),
("build", "package", "repo")):
if port in builder.ports:
builder.add(port).connect(self._clean)
self.ports[port] = sig
self.method[port] = self._next(method)
break
else:
if not self._find_method(port):
self.finished.add(port)
event.post_event(sig.emit, port)
else:
self.ports[port] = sig
return sig
def _do_stage(self):
pkg_query = pkg.query(self.port, "config")
if pkg_query:
self.pid = pkg_query.connect(self._post_pkg_query).pid
else:
# Unable to query, assume acceptable package
event.post_event(self._finalise, True)
def __call__(self, port):
"""Try resolve a port as a dependency."""
assert not port.dependent.failed
if port in self.ports:
return self.ports[port]
elif port in self.finished:
sig = signal.Signal()
event.post_event(sig.emit, port)
return sig
else:
sig = signal.Signal()
self.method[port] = env.flags["method"][0]
for builder, method in zip((install, pkginstall, repoinstall),
("build", "package", "repo")):
if port in builder.ports:
builder.add(port).connect(self._clean)
self.ports[port] = sig
self.method[port] = self._next(method)
break
else:
if not self._find_method(port):
self.finished.add(port)
event.post_event(sig.emit, port)
else:
self.ports[port] = sig
return sig
def get_port(self, origin):
"""Get a port and callback with it."""
if origin in self._ports:
sig = signal.Signal()
event.post_event(sig.emit, self._ports[origin])
return sig
else:
if origin in self._waiters:
return self._waiters[origin]
else:
sig = signal.Signal()
self._waiters[origin] = sig
mk.attr(origin).connect(self._attr)
return sig
def get_port(self, origin):
"""Get a port and callback with it."""
if origin in self._ports:
sig = signal.Signal()
event.post_event(sig.emit, self._ports[origin])
return sig
else:
if origin in self._waiters:
return self._waiters[origin]
else:
sig = signal.Signal()
self._waiters[origin] = sig
mk.attr(origin).connect(self._attr)
return sig
def _do_stage(self): # pylint: disable-msg=E0202
"""Issue a pkg.add() to install the package from a repo."""
log.debug(
"PackageInstaller._do_stage()",
"Port '%s': building stage %s" % (self.port.origin, self.name))
pkg_add = self._add_pkg()
# pkg_add may be False if installing `ports-mgmt/pkg` and
# env.flags["pkg_mgmt"] == "pkgng"
if pkg_add:
self.pid = pkg_add.connect(self._post_pkg_add).pid
else:
# Cannot call self._finalise from within self.work() ->
# self._do_stage()
event.post_event(self._finalise, False)
def _do_stage(self): # pylint: disable-msg=E0202
"""Issue a pkg.add() to install the package from a repo."""
log.debug("PackageInstaller._do_stage()",
"Port '%s': building stage %s" %
(self.port.origin, self.name))
pkg_add = self._add_pkg()
# pkg_add may be False if installing `ports-mgmt/pkg` and
# env.flags["pkg_mgmt"] == "pkgng"
if pkg_add:
self.pid = pkg_add.connect(self._post_pkg_add).pid
else:
# Cannot call self._finalise from within self.work() ->
# self._do_stage()
event.post_event(self._finalise, False)
def add(self, port):
"""Add a port to be build for this stage."""
assert not port.dependent.failed
if port in self.ports:
return self.ports[port]
else:
# Create stage job
stagejob = self.stage(port).connect(self._cleanup)
self.ports[port] = stagejob
self.update.emit(self, Builder.ADDED, port)
# Configure port then process it
if stacks.Depend not in port.stages:
depend.add(port).connect(self._add)
else:
assert port not in depend.ports
# self._add() needs to be asynchronous to self.add()
event.post_event(self._add, port=port)
return stagejob
def add(self, port):
"""Add a port to be build for this stage."""
assert not port.dependent.failed
if port in self.ports:
return self.ports[port]
else:
# Create stage job
stagejob = self.stage(port).connect(self._cleanup)
self.ports[port] = stagejob
self.update.emit(self, Builder.ADDED, port)
# Configure port then process it
if stacks.Depend not in port.stages:
depend.add(port).connect(self._add)
else:
assert port not in depend.ports
# self._add() needs to be asynchronous to self.add()
event.post_event(self._add, port=port)
return stagejob
def work(self):
assert not self.stack.working
assert not self.failed
log.debug("Stage.work()", "Port '%s': starting stage %s" %
(self.port.origin, self.name))
if not self.check(self.port):
# Cannot call self._finalise(True) directly as self.done() cannot
# be called from within the scope of self.work()
event.post_event(self._finalise, False)
return
assert self.prev in self.port.stages
assert (not self.port.dependency or
not self.port.dependency.check(self.__class__))
if self.complete():
# Cannot call self._finalise(True) directly as self.done() cannot
# be called from within the scope of self.work()
event.post_event(self._finalise, True)
else:
self._do_stage() # May throw job.JobStalled()
self.stack.working = time.time()
def work(self):
assert not self.stack.working
assert not self.failed
log.debug(
"Stage.work()",
"Port '%s': starting stage %s" % (self.port.origin, self.name))
if not self.check(self.port):
# Cannot call self._finalise(True) directly as self.done() cannot
# be called from within the scope of self.work()
event.post_event(self._finalise, False)
return
assert self.prev in self.port.stages
assert (not self.port.dependency
or not self.port.dependency.check(self.__class__))
if self.complete():
# Cannot call self._finalise(True) directly as self.done() cannot
# be called from within the scope of self.work()
event.post_event(self._finalise, True)
else:
self._do_stage() # May throw job.JobStalled()
self.stack.working = time.time()