added a clean tool for multipackages

git-svn-id: http://svn.sabayonlinux.org/projects/entropy/trunk@854 cd1c1023-2f26-0410-ae45-c471fc1f0318

TODO

@@ -1,6 +1,5 @@
 TODO list:
   - world: first fetch all, then upgrade
-  - multipackage: clean tool
   - implement a sane exception infrastructure
   - mirrors: one more and in random order
   - trigger: Regenerating cracklib dictionary

libraries/reagentTools.py

@@ -712,6 +712,72 @@ def database(options):
 	dbconn.closeDB()
         return 0
 
+    elif (options[0] == "multiremove"):
+
+	print_info(green(" * ")+red("Scanning packages that would be removed ..."), back = True)
+	
+	branch = etpConst['branch']
+        atoms = []
+	for opt in options[1:]:
+	    if (opt.startswith("--branch=")) and (len(opt.split("=")) == 2):
+		branch = opt.split("=")[1]
+	    else:
+		atoms.append(opt)
+	
+	pkglist = set()
+	dbconn = databaseTools.openServerDatabase(readOnly = True, noUpload = True)
+        allidpackages = dbconn.listAllIdpackages()
+
+        idpackages = set()
+        if not atoms:
+            # choose all
+            for idpackage in allidpackages:
+                if dbconn.isInjected(idpackage):
+                    idpackages.add(idpackage)
+        else:
+            for atom in atoms:
+                match = dbconn.atomMatch(atom, matchBranches = (branch,), multiMatch = True, packagesFilter = False)
+                if match[1] != 0:
+                    print_warning(red("Attention, no match for: ")+bold(atom))
+                else:
+                    for x in match[0]:
+                        if dbconn.isInjected(x):
+                            idpackages.add(x)
+
+	# check if atoms were found
+	if not idpackages:
+	    dbconn.closeDB()
+	    print_error(brown(" * ")+red("No packages found."))
+	    return 11
+	
+	print_info(green(" * ")+blue("These are the packages that would be removed from the database:"))
+
+	for idpackage in idpackages:
+	    pkgatom = dbconn.retrieveAtom(idpackage)
+	    branch = dbconn.retrieveBranch(idpackage)
+	    print_info(darkred("    (*) ")+blue("[")+red(branch)+blue("] ")+brown(pkgatom))
+
+	# ask to continue
+	rc = askquestion("     Would you like to continue ?")
+	if rc == "No":
+	    return 0
+
+        dbconn.closeDB()
+        del dbconn
+	dbconn = databaseTools.openServerDatabase(readOnly = False, noUpload = True)
+
+	print_info(green(" * ")+red("Removing selected packages ..."))
+
+	# open db
+	for idpackage in idpackages:
+	    pkgatom = dbconn.retrieveAtom(idpackage)
+	    print_info(green(" * ")+red("Removing package: ")+bold(pkgatom)+red(" ..."))
+	    dbconn.removePackage(idpackage)
+	print_info(green(" * ")+red("All the selected packages have been removed as requested."))
+	dbconn.closeDB()
+        del dbconn
+        return 0
+
     # used by reagent
     elif (options[0] == "md5check"):
 

server/reagent

@@ -57,6 +57,8 @@ def print_help():
     print_info(" \t\t"+green("search")+"\t\t\t\t Search a package inside the Entropy packages database")
     print_info(" \t\t"+green("remove")+"\t\t\t\t Remove a package or a list of packages")
     print_info(" \t\t\t"+red("--branch=<branch name>")+"\t Choose which branch of the package to remove")
+    print_info(" \t\t"+green("multiremove")+"\t\t\t Remove injected packages (all if no atom specified, multipackage)")
+    print_info(" \t\t\t"+red("--branch=<branch name>")+"\t Choose which branch of the package to remove")
     print_info(" \t\t"+green("create-empty-database")+"\t\t Create an empty Entropy database file in the specified <path>")
     print_info(" \t\t"+green("switchbranch")+"\t\t\t Switch to the specified branch, a package, a list of packages, world")
     print_info(" \t\t"+green("md5check")+"\t\t\t Check digest of a package, a list of packages, world")