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-rw-r--r--geneticone/backend/package.py57
1 files changed, 55 insertions, 2 deletions
diff --git a/geneticone/backend/package.py b/geneticone/backend/package.py
index da2a131..8991117 100644
--- a/geneticone/backend/package.py
+++ b/geneticone/backend/package.py
@@ -14,9 +14,11 @@ from geneticone.helper import *
from portage_helper import *
import flags
-import portage, gentoolkit
+import portage, portage_dep, gentoolkit
from portage_util import unique_array
+import types
+
class Package (gentoolkit.Package):
"""This is a subclass of the gentoolkit.Package-class which a lot of additional functionality we need in Genetic/One."""
@@ -172,6 +174,58 @@ class Package (gentoolkit.Package):
flags.remove_new_use_flags(self)
+ def get_matched_dep_packages (self):
+ """This function looks for all dependencies which are resolved. In normal case it makes only sense for installed packages, but should work for uninstalled ones too.
+
+ @returns: unique list of dependencies resolved (with elements like "<=net-im/foobar-1.2.3")
+ @rtype: string[]"""
+
+ # change the useflags, because we have internally changed some, but not made them visible for portage
+ newUseFlags = self.get_new_use_flags()
+ actual = self.get_settings("USE").split()
+ if newUseFlags:
+ for u in newUseFlags:
+ if u[0] == "-" and flags.invert_use_flag(u) in actual:
+ actual.remove(flags.invert_use_flag(u))
+ elif u not in actual:
+ actual.append(u)
+
+ #
+ # the following stuff is mostly adapted from portage.dep_check()
+ #
+
+ depstring = self.get_env_var("RDEPEND")+" "+self.get_env_var("DEPEND")+" "+self.get_env_var("PDEPEND")
+
+ # change the parentheses into lists
+ mysplit = portage_dep.paren_reduce(depstring)
+
+ # strip off these deps we don't have a flag for
+ mysplit = portage_dep.use_reduce(mysplit, uselist = actual, masklist = [], matchall = False, excludeall = self.get_settings("ARCH"))
+
+ # move the || (or) into the lists
+ mysplit = portage_dep.dep_opconvert(mysplit)
+
+ # turn virtuals into real packages
+ mysplit = portage.dep_virtual(mysplit, self._settings)
+
+ mysplit_reduced= portage.dep_wordreduce(mysplit, self._settings, vartree.dbapi, mode = None)
+
+ retlist = []
+ def add (list, red_list):
+ """Adds the packages to retlist."""
+ for i in range(len(list)):
+ if type(list[i]) == types.ListType:
+ add(list[i], red_list[i])
+ elif list[i] == "||":
+ continue
+ else:
+ if red_list[i]:
+ retlist.append(list[i])
+
+ add(mysplit, mysplit_reduced)
+
+ return unique_array(retlist)
+
def get_dep_packages (self):
"""Returns a cpv-list of packages on which this package depends and which have not been installed yet. This does not check the dependencies in a recursive manner.
@@ -188,7 +242,6 @@ class Package (gentoolkit.Package):
newUseFlags = self.get_new_use_flags()
actual = self.get_settings("USE").split()
if newUseFlags:
- depUses = []
for u in newUseFlags:
if u[0] == "-" and flags.invert_use_flag(u) in actual:
actual.remove(flags.invert_use_flag(u))