def factory(id, only_if_missing=False, installed=True):
assert not only_if_missing
impl = model.DistributionImplementation(self.feed, id, distro)
assert id not in self.feed.implementations
self.feed.implementations[id] = impl
impl.installed = installed
return impl
def factory(id, only_if_missing=False, installed=True):
assert id.startswith('package:')
if id in feed.implementations:
if only_if_missing:
return None
logger.warn(
_("Duplicate ID '%s' for DistributionImplementation"),
id)
impl = model.DistributionImplementation(feed, id, self, item)
feed.implementations[id] = impl
new_impls.append(impl)
impl.installed = installed
impl.metadata = item_attrs
impl.requires = depends
if 'run' not in impl.commands:
item_main = item_attrs.get('main', None)
if item_main:
if item_main.startswith('/'):
impl.main = item_main
else:
raise model.InvalidInterface(
_("'main' attribute must be absolute, but '%s' doesn't start with '/'!"
) % item_main)
impl.upstream_stability = model.packaged
return impl
def factory(impl_id, only_if_missing, installed):
assert impl_id.startswith('package:')
assert only_if_missing is True
assert installed is False
feed = None
impl = model.DistributionImplementation(feed, impl_id, self)
impl.installed = installed
impls[impl_id] = impl
return impl
def get_feed(self, master_feed):
"""Generate a feed containing information about distribution packages.
This should immediately return a feed containing an implementation for the
package if it's already installed. Information about versions that could be
installed using the distribution's package manager can be added asynchronously
later (see L{fetch_candidates}).
@param master_feed: feed containing the <package-implementation> elements
@type master_feed: L{model.ZeroInstallFeed}
@rtype: L{model.ZeroInstallFeed}"""
feed = model.ZeroInstallFeed(None)
feed.url = 'distribution:' + master_feed.url
for item, item_attrs in master_feed.get_package_impls(self):
package = item_attrs.get('package', None)
if package is None:
raise model.InvalidInterface(
_("Missing 'package' attribute on %s") % item)
def factory(id, only_if_missing=False, installed=True):
assert id.startswith('package:')
if id in feed.implementations:
if only_if_missing:
return None
warn(_("Duplicate ID '%s' for DistributionImplementation"),
id)
impl = model.DistributionImplementation(feed, id, self)
feed.implementations[id] = impl
impl.installed = installed
impl.metadata = item_attrs
item_main = item_attrs.get('main', None)
if item_main and not item_main.startswith('/'):
raise model.InvalidInterface(
_("'main' attribute must be absolute, but '%s' doesn't start with '/'!"
) % item_main)
impl.main = item_main
impl.upstream_stability = model.packaged
return impl
self.get_package_info(package, factory)
if master_feed.url == 'http://repo.roscidus.com/python/python' and all(
not impl.installed for impl in feed.implementations.values()):
# Hack: we can support Python on platforms with unsupported package managers
# by adding the implementation of Python running us now to the list.
python_version = '.'.join(
[str(v) for v in sys.version_info if isinstance(v, int)])
impl_id = 'package:host:python:' + python_version
assert impl_id not in feed.implementations
impl = model.DistributionImplementation(feed, impl_id, self)
impl.installed = True
impl.version = model.parse_version(python_version)
impl.main = sys.executable
impl.upstream_stability = model.packaged
impl.machine = host_machine # (hopefully)
feed.implementations[impl_id] = impl
return feed