1 files changed, 37 insertions, 0 deletions
diff --git a/doc/examples/all_deps.py b/doc/examples/all_deps.py
new file mode 100644
index 0000000..df8610a
--- /dev/null
+++ b/doc/examples/all_deps.py
@@ -0,0 +1,37 @@
+#!/usr/bin/python3
+import sys
+
+import apt
+
+
+def dependencies(cache, pkg, deps, key="Depends"):
+    # print "pkg: %s (%s)" % (pkg.name, deps)
+    candver = cache._depcache.get_candidate_ver(pkg._pkg)
+    if candver is None:
+        return deps
+    dependslist = candver.depends_list
+    if key in dependslist:
+        for depVerList in dependslist[key]:
+            for dep in depVerList:
+                if dep.target_pkg.name in cache:
+                    if (
+                        pkg.name != dep.target_pkg.name
+                        and dep.target_pkg.name not in deps
+                    ):
+                        deps.add(dep.target_pkg.name)
+                        dependencies(cache, cache[dep.target_pkg.name], deps, key)
+    return deps
+
+
+pkgname = sys.argv[1]
+c = apt.Cache()
+pkg = c[pkgname]
+
+deps = set()
+
+deps = dependencies(c, pkg, deps, "Depends")
+print(" ".join(deps))
+
+preDeps = set()
+preDeps = dependencies(c, pkg, preDeps, "PreDepends")
+print(" ".join(preDeps))