9076f68f7b
Previously dnf-json hasn't been able to report any reports. This commit tries to fix it with introduction of somewhat flexible error format.
97 lines
2.7 KiB
Python
97 lines
2.7 KiB
Python
#!/usr/bin/python3
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import datetime
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import dnf
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import json
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import sys
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DNF_ERROR_EXIT_CODE = 10
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def timestamp_to_rfc3339(timestamp):
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d = datetime.datetime.utcfromtimestamp(package.buildtime)
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return d.strftime('%Y-%m-%dT%H:%M:%SZ')
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def dnfrepo(desc, parent_conf=None):
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"""Makes a dnf.repo.Repo out of a JSON repository description"""
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repo = dnf.repo.Repo(desc["id"], parent_conf)
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repo.name = desc["name"]
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if "baseurl" in desc:
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repo.baseurl = desc["baseurl"]
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elif "metalink" in desc:
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repo.metalink = desc["metalink"]
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elif "mirrorlist" in desc:
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repo.metalink = desc["mirrorlist"]
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else:
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assert False
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return repo
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def create_base(repos):
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base = dnf.Base()
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for repo in repos:
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base.repos.add(dnfrepo(repo, base.conf))
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base.fill_sack(load_system_repo=False)
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return base
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def exit_with_dnf_error(kind: str, reason: str):
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json.dump({"kind": kind, "reason": reason}, sys.stdout)
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sys.exit(DNF_ERROR_EXIT_CODE)
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call = json.load(sys.stdin)
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command = call["command"]
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arguments = call.get("arguments", {})
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if command == "dump":
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base = create_base(arguments.get("repos", {}))
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packages = []
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for package in base.sack.query().available():
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packages.append({
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"name": package.name,
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"summary": package.summary,
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"description": package.description,
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"url": package.url,
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"epoch": package.epoch,
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"version": package.version,
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"release": package.release,
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"arch": package.arch,
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"buildtime": timestamp_to_rfc3339(package.buildtime),
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"license": package.license
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})
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json.dump(packages, sys.stdout)
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elif command == "depsolve":
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base = create_base(arguments.get("repos", {}))
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errors = []
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for pkgspec in arguments["package-specs"]:
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try:
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base.install_specs([pkgspec])
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except dnf.exceptions.MarkingError as e:
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errors.append((pkgspec, str(e)))
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if errors:
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formatted_errors = ", ".join((f"{package} ({err})" for package, err in errors))
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exit_with_dnf_error("MarkingError", f"The following package(s) had problems: {formatted_errors}")
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try:
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base.resolve()
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except dnf.exceptions.DepsolveError as e:
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exit_with_dnf_error("DepsolveError", f"There was a problem depsolving {arguments['package-specs']}: {e}")
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packages = []
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for package in base.transaction.install_set:
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packages.append({
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"name": package.name,
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"epoch": package.epoch,
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"version": package.version,
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"release": package.release,
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"arch": package.arch
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})
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json.dump(packages, sys.stdout)
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