| #!/usr/bin/python3 | |
| # this is a example how to access the build dependencies of a package | |
| import apt | |
| import apt_pkg | |
| import sys | |
| # main | |
| cache = apt.Cache() | |
| srcrecords = apt_pkg.SourceRecords() | |
| # base package that we use for build-depends calculation | |
| if len(sys.argv) < 2: | |
| print("need a package name as argument") | |
| sys.exit(1) | |
| try: | |
| pkg = base = cache[sys.argv[1]] | |
| except KeyError: | |
| print("No package %s found" % sys.argv[1]) | |
| sys.exit(1) | |
| all_build_depends = set() | |
| # get the build depdends for the package itself | |
| srcpkg_name = base.candidate.source_name | |
| print("srcpkg_name: %s " % srcpkg_name) | |
| if not srcpkg_name: | |
| print("Can't find source package for '%s'" % pkg.name) | |
| srcrec = srcrecords.lookup(srcpkg_name) | |
| if srcrec: | |
| print("Files:") | |
| print(srcrecords.files) | |
| bd = srcrecords.build_depends | |
| print("build-depends of the package: %s " % bd) | |
| for b in bd: | |
| all_build_depends.add(b[0]) | |
| # calculate the build depends for all dependencies | |
| depends = base.candidate.dependencies | |
| for or_dep in depends: | |
| for dep in or_dep.or_dependencies: | |
| pkg = cache[dep.name] | |
| srcpkg_name = pkg.candidate.source_name | |
| if not srcpkg_name: | |
| print("Can't find source package for '%s'" % pkg.name) | |
| continue | |
| srcrec = srcrecords.lookup(srcpkg_name) | |
| if srcrec: | |
| #print srcrecords.package | |
| #print srcrecords.binaries | |
| bd = srcrecords.build_depends | |
| #print "%s: %s " % (srcpkg_name, bd) | |
| for b in bd: | |
| all_build_depends.add(b[0]) | |
| print("\n".join(all_build_depends)) | |