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Update depsolving with suggestions from dnf (#1636239)

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The previous method worked, but wasn't exactly idiomatic. This is more
correct, and appears to work the same (templates depsolve, version globs
work, multiple repos work).

Note that this does use a private dnf attribute ._goal, but the word is
that this is going to become a public api soon, so yes it is there on
purpose.
This commit is contained in:
Brian C. Lane 2018-10-11 11:10:33 -07:00
parent f3cbeb8808
commit eafc2796a1
1 changed files with 15 additions and 13 deletions
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22
src/pylorax/api/projects.py
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@ -207,23 +207,25 @@ def _depsolve(dbo, projects, groups):
install_errors.append(("Group %s" % (name), str(e))) install_errors.append(("Group %s" % (name), str(e)))
for name, version in projects: for name, version in projects:
try:
if not version:
version = "*"
# Find the best package matching the name + version glob # Find the best package matching the name + version glob
# dnf can return multiple packages if it is in more than 1 repository, so use max() to select one of them # dnf can return multiple packages if it is in more than 1 repository
pkg = max([pkg for pkg in dnf.subject.Subject(name).get_best_query(dbo.sack).filter(version__glob=version, latest=True)] or [None]) query = dbo.sack.query().filterm(provides__glob=name)
if not pkg: if version:
query.filterm(version__glob=version)
query.filterm(latest=1)
if not query:
install_errors.append(("%s-%s" % (name, version), "No match")) install_errors.append(("%s-%s" % (name, version), "No match"))
continue continue
dbo.package_install(pkg) sltr = dnf.selector.Selector(dbo.sack).set(pkg=query)
except dnf.exceptions.MarkingError as e:
install_errors.append(("%s-%s" % (name, version), str(e))) # NOTE: dnf says in near future there will be a "goal" attribute of Base class
# so yes, we're using a 'private' attribute here on purpose and with permission.
dbo._goal.install(select=sltr, optional=False)
if install_errors: if install_errors:
raise ProjectsError("The following package(s) had problems: %s" % ",".join(["%s (%s)" % (pattern, err) for pattern, err in install_errors])) raise ProjectsError("The following package(s) had problems: %s" % ",".join(["%s (%s)" % (pattern, err) for pattern, err in install_errors]))
def projects_depsolve(dbo, projects, groups): def projects_depsolve(dbo, projects, groups):
"""Return the dependencies for a list of projects """Return the dependencies for a list of projects