[gentoo-commits] proj/gentoopm:master commit in: gentoopm/portagepm/

[Michał Górny]

commit:     00be1d0f47dbb2ea5e97f753b0356f0755ff2464
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Wed Jul 27 16:05:28 2011 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Wed Jul 27 16:05:28 2011 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/gentoopm.git;a=commit;h=00be1d0f

Portage: support dropping conditionals using use_reduce().

---
 gentoopm/portagepm/depend.py |   42 ++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/gentoopm/portagepm/depend.py b/gentoopm/portagepm/depend.py
index 9421099..dd96664 100644
--- a/gentoopm/portagepm/depend.py
+++ b/gentoopm/portagepm/depend.py
@@ -3,7 +3,7 @@
 # (c) 2011 Michał Górny <mgorny@g.o>
 # Released under the terms of the 2-clause BSD license.
 
-from portage.dep import paren_reduce
+from portage.dep import paren_reduce, use_reduce
 
 from gentoopm.basepm.depend import PMPackageDepSet, PMConditionalDep, \
 	PMOneOfDep, PMAllOfDep, PMBaseDep
@@ -44,4 +44,42 @@ class PortageConditionalUseDep(PMConditionalDep, PortageBaseDep):
 
 class PortagePackageDepSet(PMPackageDepSet, PortageBaseDep):
 	def __init__(self, s, puse):
-		PortageBaseDep.__init__(self, paren_reduce(s), puse)
+		self._depstr = s
+		PortageBaseDep.__init__(self, None, puse)
+
+	def __iter__(self):
+		if self._deps is None:
+			self._deps = paren_reduce(self._depstr)
+		return PortageBaseDep.__iter__(self)
+
+	@property
+	def without_conditionals(self):
+		return PortageUncondPackageDepSet(
+				use_reduce(self._depstr, self._puse))
+
+class PortageUncondDep(PortageBaseDep):
+	def __init__(self, deps):
+		self._deps = deps
+
+	@property
+	def without_conditionals(self):
+		return self
+
+	def __iter__(self):
+		it = iter(self._deps)
+		for d in it:
+			if d == '||':
+				yield PortageUncondOneOfDep(next(it))
+			elif d == '&&':
+				yield PortageUncondAllOfDep(next(it))
+			else:
+				yield PortageAtom(d)
+
+class PortageUncondOneOfDep(PMOneOfDep, PortageUncondDep):
+	pass
+
+class PortageUncondAllOfDep(PMAllOfDep, PortageUncondDep):
+	pass
+
+class PortageUncondPackageDepSet(PortageUncondDep):
+	pass