1 files changed, 38 insertions, 0 deletions
diff --git a/doc/examples/dependant-pkgs.py b/doc/examples/dependant-pkgs.py
new file mode 100755
index 0000000..e5985b8
--- /dev/null
+++ b/doc/examples/dependant-pkgs.py
@@ -0,0 +1,38 @@
+#!/usr/bin/python3
+
+import sys
+
+import apt
+
+pkgs = set()
+cache = apt.Cache()
+for pkg in cache:
+    candver = cache._depcache.get_candidate_ver(pkg._pkg)
+    if candver is None:
+        continue
+    dependslist = candver.depends_list
+    for dep in list(dependslist.keys()):
+        # get the list of each dependency object
+        for depVerList in dependslist[dep]:
+            for z in depVerList:
+                # get all TargetVersions of
+                # the dependency object
+                for tpkg in z.all_targets():
+                    if sys.argv[1] == tpkg.parent_pkg.name:
+                        pkgs.add(pkg.name)
+
+main = set()
+universe = set()
+for pkg in pkgs:
+    cand = cache[pkg].candidate
+    if "universe" in cand.section:
+        universe.add(cand.source_name)
+    else:
+        main.add(cand.source_name)
+
+print("main:")
+print("\n".join(sorted(main)))
+print()
+
+print("universe:")
+print("\n".join(sorted(universe)))