implement set arguments to reconfigure and create package sets on the commandline

svn path=/main/trunk/; revision=11581

2 files changed, 50 insertions, 1 deletions

diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index 09a92f23a..39ab9f661 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -13395,12 +13395,38 @@ def expand_set_arguments(myfiles, myaction, root_config):
 	myfiles = newargs
 	del newargs
 	newargs = []
+
+	# separators for set arguments
+	ARG_START = "{"
+	ARG_END = "}"
 	
+	for i in range(0, len(myfiles)):
+		if myfiles[i].startswith(SETPREFIX):
+			x = myfiles[i][len(SETPREFIX):]
+			start = x.find(ARG_START)
+			end = x.find(ARG_END)
+			if start > 0 and start < end:
+				namepart = x[:start]
+				argpart = x[start+1:end]
+				
+				# TODO: implement proper quoting
+				args = argpart.split(",")
+				options = {}
+				for a in args:
+					if "=" in a:
+						k, v  = a.split("=", 1)
+						options[k] = v
+					else:
+						options[a] = "True"
+				setconfig.update(namepart, options)
+				myfiles[i] = SETPREFIX + namepart
+	sets = setconfig.getSets()
+
 	# WARNING: all operators must be of equal length
 	IS_OPERATOR = "/@"
 	DIFF_OPERATOR = "-@"
 	UNION_OPERATOR = "+@"
-	
+		
 	for a in myfiles:
 		if a.startswith(SETPREFIX):
 			# support simple set operations (intersection, difference and union)
diff --git a/pym/portage/sets/__init__.py b/pym/portage/sets/__init__.py
index f88e1b6ee..8e6a0ea86 100644
--- a/pym/portage/sets/__init__.py
+++ b/pym/portage/sets/__init__.py
@@ -33,6 +33,29 @@ class SetConfig(SafeConfigParser):
 		self._parsed = False
 		self.active = []
 
+	def update(self, setname, options):
+		self.errors = []
+		if not setname in self.psets:
+			options["name"] = setname
+			
+			# for the unlikely case that there is already a section with the requested setname
+			import random
+			while setname in self.sections():
+				setname = "%08d" % random.randint(0, 10**10)
+			
+			self.add_section(setname)
+			for k, v in options.items():
+				self.set(setname, k, v)			
+		else:
+			section = self.psets[setname].creator
+			if self.has_option(section, "multiset") and self.getboolean(section, "multiset"):
+				self.errors.append("Invalid request to reconfigure set '%s' generated by multiset section '%s'" % (setname, section))
+				return
+			for k, v in options.items():
+				self.set(section, k, v)
+		self._parsed = False
+		self._parse()
+
 	def _parse(self):
 		if self._parsed:
 			return