diff options
Diffstat (limited to '')
| -rw-r--r-- | portato/gui/utils.py | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/portato/gui/utils.py b/portato/gui/utils.py index 7f30269..2f30946 100644 --- a/portato/gui/utils.py +++ b/portato/gui/utils.py @@ -17,7 +17,6 @@ import re import sys, os import logging import gettext -from collections import defaultdict from threading import Thread, RLock from functools import wraps @@ -157,164 +156,6 @@ class Config (ConfigParser): ConfigParser.write(self) self.modify_external_configs() -class DictDatabase (object): - """An internal database which holds a simple dictionary cat -> [package_list].""" - - ALL = _("ALL") - - def __init__ (self): - """Constructor.""" - self.__initialize() - self._lock = RLock() - self.populate() - - def lock (f): - @wraps(f) - def wrapper (self, *args, **kwargs): - with self._lock: - r = f(self, *args, **kwargs) - return r - - return wrapper - - def __initialize (self): - self._db = defaultdict(list) - self.inst_cats = set([self.ALL]) - self._restrict = None - - def __sort_key (self, x): - return x.pkg.lower() - - @lock - def populate (self, category = None): - """Populates the database. - - @param category: An optional category - so only packages of this category are inserted. - @type category: string - """ - - # get the lists - packages = system.find_packages(category, with_version = False) - installed = system.find_packages(category, system.SET_INSTALLED, with_version = False) - - # cycle through packages - for p in packages: - cat, pkg = p.split("/") - inst = p in installed - t = PkgData(cat, pkg, inst) - self._db[cat].append(t) - self._db[self.ALL].append(t) - - if inst: - self.inst_cats.add(cat) - - for key in self._db: # sort alphabetically - self._db[key].sort(key = self.__sort_key) - - @lock - def get_cat (self, cat = None, byName = True): - """Returns the packages in the category. - - @param cat: category to return the packages from; if None it defaults to "ALL" - @type cat: string - @param byName: selects whether to return the list sorted by name or by installation - @type byName: boolean - @return: an iterator over a list of tuples: (category, name, is_installed) or [] - @rtype: (string, string, boolean)<iterator> - """ - - if not cat: - cat = self.ALL - - def get_pkgs(): - if byName: - for pkg in self._db[cat]: - yield pkg - else: - ninst = [] - for pkg in self._db[cat]: - if pkg.inst: - yield pkg - else: - ninst.append(pkg) - - for pkg in ninst: - yield pkg - - try: - if self.restrict: - return (pkg for pkg in get_pkgs() if self.restrict.search(pkg.pkg))#if pkg[1].find(self.restrict) != -1) - else: - return get_pkgs() - - except KeyError: # cat is in category list - but not in portage - info(_("Catched KeyError => %s seems not to be an available category. Have you played with rsync-excludes?"), cat) - - @lock - def get_categories (self, installed = False): - """Returns all categories. - - @param installed: Only return these with at least one installed package. - @type installed: boolean - @returns: the list of categories - @rtype: string<iterator> - """ - - if not self.restrict: - if installed: - cats = self.inst_cats - else: - cats = self._db.iterkeys() - - else: - if installed: - cats = set((pkg.cat for pkg in self.get_cat(self.ALL) if pkg.inst)) - else: - cats = set((pkg.cat for pkg in self.get_cat(self.ALL))) - - if len(cats)>1: - cats.add(self.ALL) - - return (cat for cat in cats) - - @lock - def reload (self, cat = None): - """Reloads the given category. - - @param cat: category - @type cat: string - """ - - if cat: - del self._db[cat] - try: - self.inst_cats.remove(cat) - except KeyError: # not in inst_cats - can be ignored - pass - - self._db[self.ALL] = filter(lambda x: x.cat != cat, self._db[self.ALL]) - self.populate(cat+"/*") - else: - self.__initialize() - self.populate() - - def get_restrict (self): - return self._restrict - - @lock - def set_restrict (self, restrict): - if not restrict: - self._restrict = None - else: - try: - regex = re.compile(restrict, re.I) - except re.error, e: - info(_("Error while compiling search expression: '%s'."), str(e)) - else: # only set self._restrict if no error occurred - self._restrict = regex - - restrict = property(get_restrict, set_restrict) - class SQLDatabase (object): ALL = _("ALL") |