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220 lines
7.1 KiB
220 lines
7.1 KiB
# -*- coding: utf-8 -*-
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# Copyright (C) 2013 Adam D. Barratt <adsb@debian.org>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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from __future__ import print_function
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from migrationitem import MigrationItem
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class MalformedHintException(Exception):
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pass
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class HintCollection(object):
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def __init__(self):
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self._hints = []
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def __getitem__(self, type=None):
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return self.search(type)
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def search(self, type=None, onlyactive=True, package=None, \
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version=None, removal=None):
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return [ hint for hint in self._hints if
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(type is None or type == hint.type) and
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(hint.active or not onlyactive) and
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(package is None or package == hint.packages[0].package) and
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(version is None or version == hint.packages[0].version) and
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(removal is None or removal == hint.packages[0].is_removal)
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]
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def add_hint(self, hint, user):
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self._hints.append(Hint(hint, user))
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class Hint(object):
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NO_VERSION = [ 'block', 'block-all', 'block-udeb' ]
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def __init__(self, hint, user):
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self._hint = hint
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self._user = user
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self._active = True
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self._days = None
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if isinstance(hint, list) or isinstance(hint, tuple):
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self._type = hint[0]
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self._packages = hint[1:]
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else:
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self._type, self._packages = hint.split(' ', 1)
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if self._type == 'age-days':
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if isinstance(hint, list):
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self._days = self._packages[0]
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self._packages = self._packages[1:]
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else:
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self._days, self._packages = self._packages.split(' ', 1)
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if isinstance(self._packages, str):
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self._packages = self._packages.split(' ')
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self._packages = [MigrationItem(x) for x in self._packages]
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self.check()
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def check(self):
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for package in self.packages:
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if self.type in self.__class__.NO_VERSION:
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if package.version is not None:
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raise MalformedHintException("\"%s\" needs unversioned packages, got \"%s\"" % (self.type, package))
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else:
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if package.version is None:
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raise MalformedHintException("\"%s\" needs versioned packages, got \"%s\"" % (self.type, package))
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def set_active(self, active):
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self._active = active
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def __str__(self):
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return self._hint
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def __eq__(self, other):
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if self.type != other.type:
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return False
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elif self.type == 'age-days' and self.days != other.days:
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return False
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else:
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return frozenset(self.packages) == frozenset(other.packages)
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@property
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def type(self):
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return self._type
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@property
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def packages(self):
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return self._packages
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@property
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def active(self):
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return self._active
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@property
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def user(self):
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return self._user
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@property
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def days(self):
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return self._days
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@property
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def package(self):
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if self.packages:
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assert len(self.packages) == 1, self.packages
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return self.packages[0].package
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else:
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return None
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@property
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def version(self):
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if self.packages:
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assert len(self.packages) == 1, self.packages
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return self.packages[0].version
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else:
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return None
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def age_day_hint(hints, who, hint_name, new_age, *args):
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for package in args:
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h = [hint_name, new_age] + package.split(' ')
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hints.add_hint(h, who)
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def split_into_one_hint_per_package(hints, who, hint_name, *args):
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for package in args:
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hints.add_hint([hint_name, package], who)
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def single_hint_taking_list_of_packages(hints, who, *args):
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hints.add_hint(args, who)
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class HintParser(object):
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def __init__(self, britney):
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self._britney = britney
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self.hints = HintCollection()
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self._hint_table = {
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'remark': (0, lambda *x: None),
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# Migration grouping hints
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'easy': (2, single_hint_taking_list_of_packages), # Easy needs at least 2 to make sense
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'force-hint': (1, single_hint_taking_list_of_packages),
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'hint': (1, single_hint_taking_list_of_packages),
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# Age / urgent
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'urgent': (1, split_into_one_hint_per_package),
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'age-days': (2, age_day_hint),
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# Block / freeze related hints
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'block': (1, split_into_one_hint_per_package),
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'block-all': (1, split_into_one_hint_per_package),
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'block-udeb': (1, split_into_one_hint_per_package),
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'unblock': (1, split_into_one_hint_per_package),
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'unblock-udeb': (1, split_into_one_hint_per_package),
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# Other
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'remove': (1, split_into_one_hint_per_package),
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'force': (1, split_into_one_hint_per_package),
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}
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self._aliases = {
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'approve': 'unblock',
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}
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def parse_hints(self, who, permitted_hints, filename, lines):
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hint_table = self._hint_table
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line_no = 0
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hints = self.hints
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aliases = self._aliases
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for line in lines:
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line = line.strip()
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line_no += 1
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if line == "" or line.startswith('#'):
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continue
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l = line.split()
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hint_name = l[0]
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if hint_name in aliases:
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hint_name = aliases[hint_name]
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l[0] = hint_name
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if hint_name == 'finished':
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break
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if hint_name not in hint_table:
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self.log("Unknown hint found in %s (line %d): '%s'" % (filename, line_no, line), type="W")
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continue
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if hint_name not in permitted_hints:
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reason = 'The hint is not a part of the permitted hints for ' + who
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self.log("Ignoring \"%s\" hint from %s found in %s (line %d): %s" % (
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hint_name, who, filename, line_no, reason), type="I")
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continue
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min_args, hint_parser_impl = hint_table[hint_name]
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if len(l) - 1 < min_args:
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self.log("Malformed hint found in %s (line %d): Needs at least %d argument(s), got %d" % (
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filename, line_no, min_args, len(l) - 1), type="W")
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continue
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try:
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hint_parser_impl(hints, who, *l)
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except MalformedHintException as e:
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self.log("Malformed hint found in %s (line %d): \"%s\"" % (
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filename, line_no, e.args[0]), type="W")
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continue
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def log(self, msg, type="I"):
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self._britney.log(msg, type=type)
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