diff options
| -rwxr-xr-x | bin/emaint | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/bin/emaint b/bin/emaint new file mode 100755 index 000000000..80a71a727 --- /dev/null +++ b/bin/emaint @@ -0,0 +1,111 @@ +#!/usr/bin/python -O + +import sys +from copy import copy +from optparse import OptionParser, OptionValueError + + + +import os, portage, portage_const +class WorldHandler(object): + + def name(): + return "world" + name = staticmethod(name) + + def __init__(self): + self.invalid = [] + self.not_installed = [] + self.unavailable = [] + self.okay = [] + self.found = os.access(portage_const.WORLD_FILE, os.R_OK) + + for atom in open(portage_const.WORLD_FILE).read().split(): + if not portage.isvalidatom(atom): + self.invalid.append(atom) + elif not portage.db["/"]["vartree"].dbapi.match(atom): + self.not_installed.append(atom) + elif not portage.db["/"]["porttree"].dbapi.match(atom): + self.unavailable.append(atom) + else: + self.okay.append(atom) + + def check(self): + errors = [] + if self.found: + errors += map(lambda x: "'%s' is not a valid atom" % x, self.invalid) + errors += map(lambda x: "'%s' is not installed" % x, self.not_installed) + errors += map(lambda x: "'%s' has no ebuilds available" % x, self.unavailable) + else: + errors.append(portage_const.WORLD_FILE + " could not be opened for reading") + return errors + + def fix(self): + errors = [] + try: + open(portage_const.WORLD_FILE, "w").write("\n".join(self.okay)) + except OSError: + errors.append(portage_const.WORLD_FILE + " could not be opened for writing") + return errors + + +modules = {"world" : WorldHandler} + + +module_names = modules.keys() +module_names.sort() +module_names.insert(0, "all") + + +def exclusive(option, value, empty, parser, var=None): + if not var: + raise ValueError("var not specified to exclusive()") + if getattr(parser, var, ""): + raise OptionValueError("%s and %s are exclusive options" % (getattr(parser, var), value)) + setattr(parser, var, value) + + +usage = "usage: emaint [options] " + " | ".join(module_names) +parser = OptionParser(usage=usage) +parser.add_option("-c", "--check", help="check for problems", + action="callback", callback=exclusive, callback_kwargs={"var":"action"}) +parser.add_option("-f", "--fix", help="attempt to fix problems", + action="callback", callback=exclusive, callback_kwargs={"var":"action"}) +parser.action = None + + +(options, args) = parser.parse_args() +if len(args) != 1: + parser.error("Incorrect number of arguments") +if args[0] not in module_names: + parser.error("%s target is not a known target" % args[0]) + +if parser.action: + action = parser.action +else: + print "Defaulting to --check" + action = "--check" + +if args[0] == "all": + tasks = modules.values() +else: + tasks = [modules[args[0]]] + + +if action == "--check": + status = "Checking %s for problems" + func = "check" +else: + status = "Attempting to fix %s" + func = "fix" + + +for task in tasks: + print status % task.name() + inst = task() + result = getattr(inst, func)() + if result: + print + print "\n".join(result) + print "\n" + |