Добавлено определение python с которым собраны portage

pym/calculate/lib/utils/portage.py

@@ -146,9 +146,9 @@ def getPkgSlot(pkg, prefix='/'):
             for x in pkgs]
 
 
-def getPkgActiveUses(fullpkg):
+def getPkgActiveUses(fullpkg, prefix="/"):
     """Get active uses from package"""
-    res = getPkgUses(fullpkg)
+    res = getPkgUses(fullpkg, prefix=prefix)
     if not res:
         return None
     return list(set(res[0]) & set(res[1]))
@@ -196,6 +196,16 @@ def getInstalledAtom(str_atom, prefix='/'):
                     continue
                 yield find_atom
 
+def getPortagePython(prefix='/'):
+    """
+    Получить python с которым может рабоать portage
+    """
+    for use in getPkgActiveUses("sys-apps/portage", prefix=prefix):
+        if use.startswith("python_targets_python3"):
+            return "/usr/bin/%s" % use[15:].replace("_",".")
+    return "/usr/bin/python3"
+
+    
 
 def getSquashList():
     """Get supprted squashfs compressions method"""
@@ -1640,13 +1650,14 @@ class tbz2(object):
     Python3 portage.xpak.tbz2 simple wrapper
     """
     def __init__(self, tbzfile):
+        self.python3 = getPortagePython()
         self.tbzfile = tbzfile
 
     def _escape(self, s):
         return s.replace("'","\\'")
 
     def decompose(self, workdir):
-        p = process('/usr/bin/python3')
+        p = process(self.python3)
         p.write("from portage.xpak import tbz2\n"
                 "tbz2('%s').decompose('%s')" % (
                     self._escape(self.tbzfile),
@@ -1656,7 +1667,7 @@ class tbz2(object):
             raise PackageError(_("Failed to decompose %s") % self.tbzfile)
 
     def compose(self, workdir):
-        p = process('/usr/bin/python3')
+        p = process(self.python3)
         p.write("from portage.xpak import tbz2\n"
                 "tbz2('%s').compose('%s')" % (
                     self._escape(self.tbzfile),

pym/calculate/lib/variables/env.py

@@ -24,7 +24,7 @@ from calculate.lib.datavars import (TableVariable, Variable, ReadonlyVariable,
 from calculate.lib.utils.files import (listDirectory, process, PIPE, pathJoin,
                                        readFileEx)
 from calculate.lib.utils.portage import (isPkgInstalled, RepositoryPath,
-                                    getInstalledAtom)
+                                    getInstalledAtom, getPortagePython)
 from calculate.lib.utils.common import cmpVersion
 from calculate.lib.datavars import DataVars
 from itertools import dropwhile
@@ -619,12 +619,14 @@ class PortageConfigWrapper(object):
 
     @classmethod
     def getconfig_chroot(cls, chroot):
+        python3 = getPortagePython(prefix=chroot)
         return cls.getconfig_python(process("/usr/bin/chroot",
-            chroot, "/usr/bin/python3"))
+            chroot, python3))
 
     @classmethod
     def getconfig(cls):
-        return cls.getconfig_python(process("/usr/bin/python3"))
+        python3 = getPortagePython()
+        return cls.getconfig_python(process(python3))
 
     @classmethod
     def getconfig_python(cls, pythonprocess):