1 files changed, 53 insertions, 0 deletions
diff --git a/pym/portage/dbapi/__init__.py b/pym/portage/dbapi/__init__.py
new file mode 100644
index 000000000..c6067fd49
--- /dev/null
+++ b/pym/portage/dbapi/__init__.py
@@ -0,0 +1,53 @@
+from portage import dep_expand, dep_getkey, match_from_list, writemsg
+from portage.dep import dep_getslot
+from portage.locks import unlockfile
+from portage.output import red
+
+import os, re
+
+class dbapi(object):
+	def __init__(self):
+		pass
+
+	def close_caches(self):
+		pass
+
+	def cp_list(self, cp, use_cache=1):
+		return
+
+	def cpv_all(self):
+		cpv_list = []
+		for cp in self.cp_all():
+			cpv_list.extend(self.cp_list(cp))
+		return cpv_list
+
+	def aux_get(self, mycpv, mylist):
+		"stub code for returning auxiliary db information, such as SLOT, DEPEND, etc."
+		'input: "sys-apps/foo-1.0",["SLOT","DEPEND","HOMEPAGE"]'
+		'return: ["0",">=sys-libs/bar-1.0","http://www.foo.com"] or [] if mycpv not found'
+		raise NotImplementedError
+
+	def match(self, origdep, use_cache=1):
+		mydep = dep_expand(origdep, mydb=self, settings=self.settings)
+		mykey = dep_getkey(mydep)
+		mylist = match_from_list(mydep, self.cp_list(mykey, use_cache=use_cache))
+		myslot = dep_getslot(mydep)
+		if myslot is not None:
+			mylist = [cpv for cpv in mylist \
+				if self.aux_get(cpv, ["SLOT"])[0] == myslot]
+		return mylist
+
+	def invalidentry(self, mypath):
+		if re.search("portage_lockfile$", mypath):
+			if not os.environ.has_key("PORTAGE_MASTER_PID"):
+				writemsg("Lockfile removed: %s\n" % mypath, 1)
+				unlockfile((mypath, None, None))
+			else:
+				# Nothing we can do about it. We're probably sandboxed.
+				pass
+		elif re.search(".*/-MERGING-(.*)", mypath):
+			if os.path.exists(mypath):
+				writemsg(red("INCOMPLETE MERGE:")+" "+mypath+"\n", noiselevel=-1)
+		else:
+			writemsg("!!! Invalid db entry: %s\n" % mypath, noiselevel=-1)
+