From 6ac3ab0f0e625e8cad02ab6291635e6f2180fe50 Mon Sep 17 00:00:00 2001
From: René 'Necoro' Neumann <necoro@necoro.net>
Date: Wed, 12 Mar 2008 09:24:06 +0100
Subject: Moved get_dependencies to top package class

---
 portato/backend/catapult/package.py |  7 ------
 portato/backend/package.py          | 49 +++++++++++++++++++++++++++++--------
 portato/backend/portage/package.py  | 34 +------------------------
 3 files changed, 40 insertions(+), 50 deletions(-)

(limited to 'portato/backend')

diff --git a/portato/backend/catapult/package.py b/portato/backend/catapult/package.py
index 5ab8743..e2dd54e 100644
--- a/portato/backend/catapult/package.py
+++ b/portato/backend/catapult/package.py
@@ -147,12 +147,6 @@ class CatapultPackage(Package):
 	def get_files (self):
 		return self.proxy.get_files(self.get_cpv())
 
-	def get_dependencies (self):
-		from ...dependency import DependencyTree
-		d = DependencyTree()
-		d.add("Dependency calculation not supported for Catapult Backend")
-		return d
-
 	def get_name(self):
 		return str(self.proxy.get_name(self.get_cpv()))
 
@@ -161,4 +155,3 @@ class CatapultPackage(Package):
 
 	def get_category(self):
 		return str(self.proxy.get_category(self.get_cpv()))
-
diff --git a/portato/backend/package.py b/portato/backend/package.py
index ab3f82a..4d3803f 100644
--- a/portato/backend/package.py
+++ b/portato/backend/package.py
@@ -12,7 +12,9 @@
 
 from __future__ import absolute_import
 
-from ..helper import debug
+from ..helper import debug, paren_reduce
+from ..dependency import DependencyTree
+
 from . import _Package, system, flags
 
 class Package (_Package):
@@ -167,6 +169,42 @@ class Package (_Package):
 			import string
 			return string.join(sp[:-1],"/")
 
+	def get_dependencies (self):
+		"""
+		Returns the tree of dependencies that this package needs.
+
+		@rtype: L{DependencyTree}
+		"""
+		deps = " ".join(map(self.get_package_settings, ("RDEPEND", "PDEPEND", "DEPEND")))
+		deps = paren_reduce(deps)
+		
+		tree = DependencyTree()
+
+		def add (tree, deps):
+			iter = (x for x in deps)
+			for dep in iter:
+				if dep.endswith("?"):
+					ntree = tree.add_flag(dep[:-1])
+					n = iter.next()
+					if not hasattr(n, "__iter__"):
+						n = (n,)
+					add(ntree, n)
+				
+				elif dep == "||":	
+					n = iter.next() # skip
+					if not hasattr(n, "__iter__"):
+						n = tuple(n,)
+					else:
+						n = tuple(n)
+
+					tree.add_or(n)
+				
+				else:
+					tree.add(dep)
+
+		add(tree, deps)
+		return tree
+
 	#
 	# Not implemented
 	#
@@ -328,15 +366,6 @@ class Package (_Package):
 
 		raise NotImplementedError
 
-	def get_dependencies (self):
-		"""
-		Returns the tree of dependencies that this package needs.
-
-		@rtype: L{DependencyTree}
-		"""
-
-		raise NotImplementedError
-
 	def get_package_settings(self, var, tree = None):
 		"""Returns a package specific setting, such as DESCRIPTION, SRC_URI, IUSE ...
 		
diff --git a/portato/backend/portage/package.py b/portato/backend/portage/package.py
index 16f00a4..767df5b 100644
--- a/portato/backend/portage/package.py
+++ b/portato/backend/portage/package.py
@@ -17,7 +17,6 @@ from .. import flags
 from .. import system
 from ..exceptions import BlockedException, PackageNotFoundException, DependencyCalcError
 from ...helper import debug, error, unique_array
-from ...dependency import DependencyTree
 
 import portage, portage_dep
 
@@ -318,35 +317,4 @@ class PortagePackage (Package):
 			return portage.pkgcmp(v1[1:],v2[1:])
 
 	def matches (self, criterion):
-		return system.cpv_matches(self.get_cpv(), criterion)
-
-	def get_dependencies (self):
-		deps = " ".join(map(self.get_package_settings, ("RDEPEND", "PDEPEND", "DEPEND")))
-		deps = portage_dep.paren_reduce(deps)
-		
-		tree = DependencyTree()
-
-		def add (tree, deps):
-			iter = (x for x in deps)
-			for dep in iter:
-				if dep.endswith("?"):
-					ntree = tree.add_flag(dep[:-1])
-					n = iter.next()
-					if not hasattr(n, "__iter__"):
-						n = (n,)
-					add(ntree, n)
-				
-				elif dep == "||":	
-					n = iter.next() # skip
-					if not hasattr(n, "__iter__"):
-						n = tuple(n,)
-					else:
-						n = tuple(n)
-
-					tree.add_or(n)
-				
-				else:
-					tree.add(dep)
-
-		add(tree, deps)
-		return tree
+		return system.cpv_matches(self.get_cpv(), criterion)	
-- 
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