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Diffstat (limited to 'geneticone/helper.py')
| -rw-r--r-- | geneticone/helper.py | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/geneticone/helper.py b/geneticone/helper.py deleted file mode 100644 index 0130160..0000000 --- a/geneticone/helper.py +++ /dev/null @@ -1,173 +0,0 @@ -# -# File: geneticone/helper.py -# This file is part of the Genetic/One-Project, a graphical portage-frontend. -# -# Copyright (C) 2006 Necoro d.M. -# This is free software. You may redistribute copies of it under the terms of -# the GNU General Public License version 2. -# There is NO WARRANTY, to the extent permitted by law. -# -# Written by Necoro d.M. <necoro@necoro.net> et.al. - -from geneticone import * -import geneticone - -import re -import os - -import gentoolkit -import portage -from portage_util import unique_array - -class BlockedException (Exception): - """An exception marking, that some package is blocking another one.""" - pass - -class PackageNotFoundException (Exception): - """An exception marking that a package could not be found.""" - pass - -class DependencyCalcError (Exception): - """An error occured during dependency calculation.""" - pass - -def find_lambda (name): - """Returns the function needed by all the find_all_*-functions. Returns None if no name is given. - @param name: name to build the function of - @type name: string - @returns: - 1. None if no name is given - 2. a lambda function - @rtype: function""" - if name != None: - return lambda x: re.match(".*"+name+".*",x) - else: - return lambda x: True - -def geneticize_list (list_of_packages): - """Convertes a list of gentoolkit.Packages into L{geneticone.Packages}. - @param list_of_packages: the list of packages - @type list_of_packages: list of gentoolkit.Packages - @returns: converted list - @rtype: list of geneticone.Packages""" - return [geneticone.Package(x) for x in list_of_packages] - -def find_best_match (search_key, only_installed = False): - """Finds the best match in the portage tree.""" - t = None - if not only_installed: - t = porttree.dep_bestmatch(search_key) - else: - t = vartree.dep_bestmatch(search_key) - if t: - return geneticone.Package(t) - return None - -def find_packages (search_key, masked=False): - """This returns a list of packages which have to fit exactly. Additionally ranges like '<,>,=,~,!' et. al. are possible.""" - return geneticize_list(gentoolkit.find_packages(search_key, masked)) - -def find_installed_packages (search_key, masked=False): - """This returns a list of installed packages which have to fit exactly. Additionally ranges like '<,>,=,~,!' et. al. are possible.""" - return geneticize_list(gentoolkit.find_installed_packages(search_key, masked)) - -def find_system_packages (name=None): - """Returns a list-tuple (resolved_packages, unresolved_packages) for all system packages.""" - list = gentoolkit.find_system_packages() - return (geneticize_list(list[0]), geneticize_list(list[1])) - -def find_world_packages (): - """Returns a list-tuple (resolved_packages, unresolved_packages) for all packages in the world-file.""" - list = gentoolkit.find_world_packages() - return geneticize_list(list[0]),geneticize_list(list[1]) - -def find_all_installed_packages (name=None): - """Returns a list of all installed packages matching ".*name.*". - Returns ALL installed packages if name is None.""" - return geneticize_list(gentoolkit.find_all_installed_packages(find_lambda(name))) - -def find_all_uninstalled_packages (name=None): - """Returns a list of all uninstalled packages matching ".*name.*". - Returns ALL uninstalled packages if name is None.""" - return geneticize_list(gentoolkit.find_all_uninstalled_packages(find_lambda(name))) - -def find_all_packages (name=None): - """Returns a list of all packages matching ".*name.*". - Returns ALL packages if name is None.""" - return geneticize_list(gentoolkit.find_all_packages(find_lambda(name))) - -def find_all_world_files (name=None): - """Returns a list of all world packages matching ".*name.*". - Returns ALL world packages if name is None.""" - world = filter(find_lambda(name), [x.get_cpv() for x in find_world_packages()[0]]) - world = unique_array(world) - return [geneticone.Package(x) for x in world] - -def find_all_system_files (name=None): - """Returns a list of all system packages matching ".*name.*". - Returns ALL system packages if name is None.""" - sys = filter(find_lambda(name), [x.get_cpv() for x in find_system_packages()[0]]) - sys = unique_array(sys) - return [geneticone.Package(x) for x in sys] - -def list_categories (name=None): - """Returns a list of categories matching ".*name.*" or all categories.""" - categories = gentoolkit.settings.categories - return filter(find_lambda(name), categories) - -def split_package_name (name): - """Returns a list in the form [category, name, version, revision]. Revision will - be 'r0' if none can be inferred. Category and version will be empty, if none can - be inferred.""" - return gentoolkit.split_package_name(name) - -def sort_package_list(pkglist): - """Sorts a package list in the same manner portage does.""" - return gentoolkit.sort_package_list(pkglist) - -def am_i_root (): - """Returns True if the current user is root, False otherwise.""" - if os.getuid() == 0: - return True - else: - return False - -use_descs = {} -local_use_descs = {} -def get_use_desc (flag, package = None): - """Returns the description of a specific useflag or None if no desc was found. - If a package is given (in the <cat>/<name> format) the local use descriptions are searched too. - In the first run the dictionaries 'use_descs' and 'local_use_descs' are filled.""" - # fill cache if needed - if use_descs == {} or local_use_descs == {}: - # read use.desc - fd = open(gentoolkit.settings["PORTDIR"]+"/profiles/use.desc") - for line in fd.readlines(): - line = line.strip() - if line != "" and line[0] != '#': - fields = [x.strip() for x in line.split(" - ",1)] - if len(fields) == 2: - use_descs[fields[0]] = fields[1] - - # read use.local.desc - fd = open(gentoolkit.settings["PORTDIR"]+"/profiles/use.local.desc") - for line in fd.readlines(): - line = line.strip() - if line != "" and line[0] != '#': - fields = [x.strip() for x in line.split(":",1)] - if len(fields) == 2: - if not fields[0] in local_use_descs: # create - local_use_descs[fields[0]] = {} - subfields = [x.strip() for x in fields[1].split(" - ",1)] - if len(subfields) == 2: - local_use_descs[fields[0]][subfields[0]] = subfields[1] - - # start - desc = None - if flag in use_descs: - desc = use_descs[flag] - if package != None: - if package in local_use_descs: - if flag in local_use_descs[package]: - desc = local_use_descs[package][flag] - return desc |