def _fill_dependency_breakage(self, context: UpdateRequirementsContext):
if bool(context.arch_config['check_dependency_breakage']) and (
context.to_update or context.to_install):
ti = time.time()
self.logger.info("Begin: checking dependency breakage")
required_by = pacman.map_required_by(
context.to_update.keys()) if context.to_update else {}
if context.to_install:
required_by.update(
pacman.map_required_by(context.to_install.keys(),
remote=True))
reqs_not_in_transaction = set()
reqs_in_transaction = set()
transaction_pkgs = {
*context.to_update.keys(), *context.to_install.keys()
}
for reqs in required_by.values():
for r in reqs:
if r in transaction_pkgs:
reqs_in_transaction.add(r)
elif r in context.installed_names:
reqs_not_in_transaction.add(r)
if not reqs_not_in_transaction and not reqs_in_transaction:
return
provided_versions = {}
for p in context.provided_map:
pkg_split = p.split('=')
if len(pkg_split) > 1:
versions = provided_versions.get(pkg_split[0])
if versions is None:
versions = set()
provided_versions[pkg_split[0]] = versions
versions.add(pkg_split[1])
if not provided_versions:
return
cannot_upgrade = set()
for pkg, deps in pacman.map_required_dependencies(
*reqs_not_in_transaction).items():
self._add_dependency_breakage(
pkgname=pkg,
pkgdeps=deps,
provided_versions=provided_versions,
cannot_upgrade=cannot_upgrade,
context=context)
for pkg in reqs_in_transaction:
data = context.pkgs_data[pkg]
if data and data['d']:
self._add_dependency_breakage(
pkgname=pkg,
pkgdeps=data['d'],
provided_versions=provided_versions,
cannot_upgrade=cannot_upgrade,
context=context)
if cannot_upgrade:
cannot_upgrade.update(
self._add_dependents_as_cannot_upgrade(
context=context,
names=cannot_upgrade,
pkgs_available={
*context.to_update.values(),
*context.to_install.values()
}))
for p in cannot_upgrade:
if p in context.to_update:
del context.to_update[p]
if p in context.repo_to_update:
del context.repo_to_update[p]
if p in context.aur_to_update:
del context.aur_to_update[p]
if p in context.pkgs_data:
del context.pkgs_data[p]
if p in context.to_install:
del context.to_install[p]
if p in context.repo_to_install:
del context.repo_to_install[p]
if p in context.aur_to_install:
del context.aur_to_install[p]
tf = time.time()
self.logger.info(
"End: checking dependency breakage. Time: {0:.2f} seconds".
format(tf - ti))
def __update_context_based_on_to_remove(
self, context: UpdateRequirementsContext):
if context.to_remove:
to_remove_provided = {}
# filtering all package to synchronization from the transaction context
to_sync = {
*(context.to_update.keys() if context.to_update else set()),
*(context.to_install.keys() if context.to_install else set())
}
if to_sync: # checking if any packages to sync on the context rely on the 'to remove' ones
to_remove_provided.update(
pacman.map_provided(remote=False,
pkgs=context.to_remove.keys()))
to_remove_from_sync = {
} # will store all packages that should be removed
for pname in to_sync:
if pname in context.pkgs_data:
deps = context.pkgs_data[pname].get('d')
if deps:
required = set()
for pkg in context.to_remove:
for provided in to_remove_provided[pkg]:
if provided in deps:
required.add(pkg)
break
if required:
to_remove_from_sync[pname] = required
else:
self.logger.warning(
"Conflict resolution: package '{}' marked to synchronization has no data loaded"
)
if to_remove_from_sync: # removing all these packages and their dependents from the context
self._add_to_remove(to_sync, to_remove_from_sync, context)
# checking if the installed packages that are not in the transaction context rely on the current packages to be removed:
current_to_remove = {*context.to_remove.keys()}
required_by_installed = self.deps_analyser.map_all_required_by(
current_to_remove, {*to_sync})
if required_by_installed:
# updating provided context:
provided_not_mapped = set()
for pkg in current_to_remove.difference(
{*to_remove_provided.keys()}):
if pkg not in context.pkgs_data:
provided_not_mapped.add(pkg)
else:
provided = context.pkgs_data[pkg].get('p')
if provided:
to_remove_provided[pkg] = provided
else:
provided_not_mapped.add(pkg)
if provided_not_mapped:
to_remove_provided.update(
pacman.map_provided(remote=False,
pkgs=provided_not_mapped))
deps_no_data = {
dep
for dep in required_by_installed
if dep in context.pkgs_data
}
deps_nodata_deps = pacman.map_required_dependencies(
*deps_no_data) if deps_no_data else {}
reverse_to_remove_provided = {
p: name
for name, provided in to_remove_provided.items()
for p in provided
}
for pkg in required_by_installed:
if pkg not in context.to_remove:
if pkg in context.pkgs_data:
dep_deps = context.pkgs_data[pkg].get('d')
else:
dep_deps = deps_nodata_deps.get(pkg)
if dep_deps:
source = ', '.join(
(reverse_to_remove_provided[d]
for d in dep_deps
if d in reverse_to_remove_provided))
reason = "{} '{}'".format(
self.i18n['arch.info.depends on'].capitalize(),
source if source else '?')
context.to_remove[pkg] = UpgradeRequirement(
pkg=ArchPackage(name=pkg,
installed=True,
i18n=self.i18n),
reason=reason)
for name in context.to_remove: # upgrading lists
if name in context.pkgs_data:
del context.pkgs_data[name]
if name in context.aur_to_update:
del context.aur_to_update[name]
if name in context.repo_to_update:
del context.repo_to_update[name]
removed_size = pacman.get_installed_size(
[*context.to_remove.keys()])
if removed_size:
for name, size in removed_size.items():
if size is not None:
req = context.to_remove.get(name)
if req:
req.extra_size = size
