diff options
| -rw-r--r-- | debian/changelog | 7 | ||||
| -rwxr-xr-x | doc/examples/build-deps-old.py | 73 | ||||
| -rwxr-xr-x | doc/examples/build-deps.py | 55 |
3 files changed, 99 insertions, 36 deletions
diff --git a/debian/changelog b/debian/changelog index df486b60..7f582bff 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,3 +1,10 @@ +python-apt (0.8.4) UNRELEASED; urgency=low + + * doc/examples/build-deps.py: + - update the build-deps.py example to use the apt API more + + -- Michael Vogt <michael.vogt@ubuntu.com> Wed, 04 Jan 2012 12:07:48 +0100 + python-apt (0.8.3) unstable; urgency=low [ Alexey Feldgendler ] diff --git a/doc/examples/build-deps-old.py b/doc/examples/build-deps-old.py new file mode 100755 index 00000000..656f1361 --- /dev/null +++ b/doc/examples/build-deps-old.py @@ -0,0 +1,73 @@ +#!/usr/bin/python +# this is a example how to access the build dependencies of a package + +import apt_pkg +import sys + + +def get_source_pkg(pkg, records, depcache): + """ get the source package name of a given package """ + version = depcache.GetCandidateVer(pkg) + if not version: + return None + file, index = version.FileList.pop(0) + records.Lookup((file, index)) + if records.SourcePkg != "": + srcpkg = records.SourcePkg + else: + srcpkg = pkg.Name + return srcpkg + + +# main +apt_pkg.init() +cache = apt_pkg.Cache() +depcache = apt_pkg.DepCache(cache) +depcache.Init() +records = apt_pkg.PackageRecords(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 = get_source_pkg(base, records, depcache) +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.BuildDepends + 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 = depcache.GetCandidateVer(base).DependsList +for dep in depends["Depends"]: # FIXME: do we need to consider PreDepends? + pkg = dep[0].TargetPkg + srcpkg_name = get_source_pkg(pkg, records, depcache) + 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.BuildDepends + #print "%s: %s " % (srcpkg_name, bd) + for b in bd: + all_build_depends.add(b[0]) + + +print "\n".join(all_build_depends) diff --git a/doc/examples/build-deps.py b/doc/examples/build-deps.py index 656f1361..5d243943 100755 --- a/doc/examples/build-deps.py +++ b/doc/examples/build-deps.py @@ -1,30 +1,12 @@ #!/usr/bin/python # this is a example how to access the build dependencies of a package +import apt import apt_pkg import sys - -def get_source_pkg(pkg, records, depcache): - """ get the source package name of a given package """ - version = depcache.GetCandidateVer(pkg) - if not version: - return None - file, index = version.FileList.pop(0) - records.Lookup((file, index)) - if records.SourcePkg != "": - srcpkg = records.SourcePkg - else: - srcpkg = pkg.Name - return srcpkg - - # main -apt_pkg.init() -cache = apt_pkg.Cache() -depcache = apt_pkg.DepCache(cache) -depcache.Init() -records = apt_pkg.PackageRecords(cache) +cache = apt.Cache() srcrecords = apt_pkg.SourceRecords() # base package that we use for build-depends calculation @@ -39,7 +21,7 @@ except KeyError: all_build_depends = set() # get the build depdends for the package itself -srcpkg_name = get_source_pkg(base, records, depcache) +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 @@ -53,21 +35,22 @@ if srcrec: all_build_depends.add(b[0]) # calculate the build depends for all dependencies -depends = depcache.GetCandidateVer(base).DependsList -for dep in depends["Depends"]: # FIXME: do we need to consider PreDepends? - pkg = dep[0].TargetPkg - srcpkg_name = get_source_pkg(pkg, records, depcache) - 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.BuildDepends - #print "%s: %s " % (srcpkg_name, bd) - for b in bd: - all_build_depends.add(b[0]) +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.BuildDepends + #print "%s: %s " % (srcpkg_name, bd) + for b in bd: + all_build_depends.add(b[0]) print "\n".join(all_build_depends) |