1 files changed, 81 insertions, 0 deletions
diff --git a/scripts/check-subslot-deps.py b/scripts/check-subslot-deps.py
new file mode 100755
index 0000000..01ec212
--- /dev/null
+++ b/scripts/check-subslot-deps.py
@@ -0,0 +1,81 @@
+#!/usr/bin/python
+
+from portage.dbapi.porttree import portdbapi
+from portage.versions import catpkgsplit
+import io
+import re
+
+class CheckSubSlot:
+	def __init__(self):
+		self.dbapi = portdbapi()
+		self.subslottedCp = []
+		with open("subslotted-packages.txt", "r") as f:
+			for line in f:
+				self.subslottedCp.append(line[:-1])
+
+	def checkPackage(self, cpv):
+		deps = self._getDepend(cpv)
+		missingSubSlotDep = []
+		for dep in deps:
+			cp = self._getCP(dep)
+			if cp in self.subslottedCp and not self._isSubSlotDep(dep):
+				missingSubSlotDep.append(cp)
+		if len(missingSubSlotDep) > 0:
+			missingSubSlotDep = set(missingSubSlotDep)
+			print("%s: %s" % (cpv, " ".join(missingSubSlotDep)))
+
+	def _getDepend(self, cpv):
+		deps = self.dbapi.aux_get(cpv, ["DEPEND", "RDEPEND"])
+		deps = deps[0] + " " + deps[1]
+		result = []
+		for dep in deps.split():
+			if self._isValidAtom(dep):
+				result.append(dep)
+		return set(result)
+
+	def _isValidAtom(self, pkg):
+		result = False
+		try:
+			if pkg[0] == "!":
+				result = False
+			elif pkg.find("/") > 0:
+				result = True
+		except:
+			result = False
+		return result
+
+	def _getCP(self, pkg):
+		# drop ><= from the beginning
+		if pkg[0] in (">", "<", "="):
+			pkg = pkg[1:]
+		if pkg[0] == "=":
+			pkg = pkg[1:]
+
+		dotPos = pkg.find(":")
+		bracketPos = pkg.find("[")
+		if dotPos > 0:
+			pkg = pkg[0:dotPos]
+		elif bracketPos > 0:
+			pkg = pkg[0:bracketPos]
+		res = catpkgsplit(pkg)
+		if res:
+			return res[0] + "/" + res[1]
+		return pkg
+
+	def _isSubSlotDep(self, pkg):
+		m = re.search(":[0-9]*?=", pkg)
+		return m is not None
+
+	def getPackages(self, categories=None):
+		return self.dbapi.cp_all(categories=categories)
+
+	def getPackageVersions(self, cp):
+		return self.dbapi.cp_list(cp)
+
+c = CheckSubSlot()
+pkgs = c.getPackages()
+for pkg in pkgs:
+	cpvs = c.getPackageVersions(pkg)
+	for cpv in cpvs:
+		c.checkPackage(cpv)
+