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#!/usr/bin/python3
"""Check the archive for missing dependencies"""
import apt_pkg
def fmt_dep(dep):
"""Format a Dependency object [of apt_pkg] as a string."""
ret = dep.target_pkg.name
if dep.target_ver:
ret += " (%s %s)" % (dep.comp_type, dep.target_ver)
return ret
def check_version(pkgver):
"""Check the version of the package"""
missing = []
for or_group in pkgver.depends_list.get("Pre-Depends", []) + \
pkgver.depends_list.get("Depends", []):
if not any(dep.all_targets() for dep in or_group):
# If none of the or-choices can be satisfied, add it to missing
missing.append(or_group)
if missing:
print("Package:", pkgver.parent_pkg.name)
print("Version:", pkgver.ver_str)
print("Missing:")
print(", ".join(" | ".join(fmt_dep(dep) for dep in or_group))
for or_group in missing)
print()
def main():
"""The main function."""
apt_pkg.init_config()
apt_pkg.init_system()
cache = apt_pkg.Cache()
for pkg in sorted(cache.packages, key=lambda pkg: pkg.name):
# pkg is from a list of packages, sorted by name.
for version in pkg.version_list:
# Check every version
for pfile, _ in version.file_list:
if (pfile.origin == "Debian" and pfile.component == "main" and
pfile.archive == "unstable"):
# We only want packages from Debian unstable main.
check_version(version)
break
if __name__ == "__main__":
main()
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