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# -*- coding: utf-8 -*-
#
# File: portato/backend/system_interface.py
# This file is part of the Portato-Project, a graphical portage-frontend.
#
# Copyright (C) 2007 René 'Necoro' Neumann
# 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 René 'Necoro' Neumann <necoro@necoro.net>
class SystemInterface:
def split_cpv (self, cpv):
"""Splits a cpv into all its parts.
@param cpv: the cpv to split
@type cpv: string
@returns: the splitted cpv
@rtype: string[]"""
raise NotImplementedError
def find_best(self, list):
"""Returns the best package out of a list of packages.
@param list: the list of packages to select from
@type list: string[]
@returns: the best package
@rtype: backend.Package"""
raise NotImplementedError
def find_best_match (self, search_key, only_installed = False):
"""Finds the best match in the portage tree. It does not find masked packages!
@param search_key: the key to find in the portage tree
@type search_key: string
@param only_installed: if True, only installed packages are searched
@type only_installed: boolean
@returns: the package found or None
@rtype: backend.Package"""
raise NotImplementedError
def find_packages (self, search_key, masked=False):
"""This returns a list of packages which have to fit exactly. Additionally ranges like '<,>,=,~,!' et. al. are possible.
@param search_key: the key to look for
@type search_key: string
@param masked: if True, also look for masked packages
@type masked: boolean
@returns: list of found packages
@rtype: backend.Package[]"""
raise NotImplementedError
def find_installed_packages (self, search_key, masked = False):
"""This returns a list of packages which have to fit exactly. Additionally ranges like '<,>,=,~,!' et. al. are possible.
@param search_key: the key to look for
@type search_key: string
@param masked: if True, also look for masked packages
@type masked: boolean
@returns: list of found packages
@rtype: backend.Package[]"""
raise NotImplementedError
def find_system_packages (self):
"""Looks for all packages saved as "system-packages".
@returns: a tuple of (resolved_packages, unresolved_packages).
@rtype: (backend.Package[], backend.Package[])"""
raise NotImplementedError
def find_world_packages (self):
"""Looks for all packages saved in the world-file.
@returns: a tuple of (resolved_packages, unresolved_packages).
@rtype: (backend.Package[], backend.Package[])"""
raise NotImplementedError
def find_all_installed_packages (self, name = None, withVersion = True):
"""Finds all installed packages matching a name or all if no name is specified.
@param name: the name to look for - it is expanded to .*name.* ; if None, all packages are returned
@type name: string or None
@param withVersion: if True version-specific packages are returned; else only the cat/package-strings a delivered
@type withVersion: boolean
@returns: all packages/cp-strings found
@rtype: backend.Package[] or cp-string[]"""
raise NotImplementedError
def find_all_uninstalled_packages (self, name = None):
"""Finds all uninstalled packages matching a name or all if no name is specified.
@param name: the name to look for - it is expanded to .*name.* ; if None, all packages are returned
@type name: string or None
@returns: all packages found
@rtype: backend.Package[]"""
raise NotImplementedError
def find_all_packages (self, name = None, withVersion = True):
"""Finds all packages matching a name or all if no name is specified.
@param name: the name to look for - it is expanded to .*name.* ; if None, all packages are returned
@type name: string or None
@param withVersion: if True version-specific packages are returned; else only the cat/package-strings a delivered
@type withVersion: boolean
@returns: all packages/cp-strings found
@rtype: backend.Package[] or cp-string[]"""
raise NotImplementedError
def find_all_world_packages (self, name = None):
"""Finds all world packages matching a name or all if no name is specified.
@param name: the name to look for - it is expanded to .*name.* ; if None, all packages are returned
@type name: string or None
@returns: all packages found
@rtype: backend.Package[]"""
raise NotImplementedError
def find_all_system_packages (self, name = None):
"""Finds all system packages matching a name or all if no name is specified.
@param name: the name to look for - it is expanded to .*name.* ; if None, all packages are returned
@type name: string or None
@returns: all packages found
@rtype: backend.Package[]"""
raise NotImplementedError
def list_categories (self, name = None):
"""Finds all categories matching a name or all if no name is specified.
@param name: the name to look for - it is expanded to .*name.* ; if None, all categories are returned
@type name: string or None
@returns: all categories found
@rtype: string[]"""
raise NotImplementedError
def sort_package_list(self, pkglist):
"""Sorts a package list in the same manner portage does.
@param pkglist: list to sort
@type pkglist: Packages[]"""
raise NotImplementedError
def reload_settings (self):
"""Reloads portage."""
raise NotImplementedError
def update_world (self, newuse = False, deep = False):
"""Calculates the packages to get updated in an update world.
@param newuse: Checks if a use-flag has a different state then to install time.
@type newuse: boolean
@param deep: Not only check world packages but also there dependencies.
@type deep: boolean
@returns: a list containing of the tuple (new_package, old_package)
@rtype: (backend.Package, backend.Package)[]"""
raise NotImplementedError
def get_use_desc (self, 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.
@param flag: flag to get the description for
@type flag: string
@param package: name of a package: if given local use descriptions are searched too
@type package: cp-string
@returns: found description
@rtype: string"""
raise NotImplementedError
def new_package (self, cpv):
"""Returns an instance of the appropriate Package-Subclass.
@param cpv: the cpv to create the package from
@type cpv: string
@returns: a new Package-object.
@rtype: Package"""
raise NotImplementedError
def get_config_path (self):
"""Returns the actual path to the config files.
@returns: the path, e.g. /etc/portage
@rtyoe: string"""
raise NotImplementedError
def get_world_file_path (self):
"""Returns the path to the world file.
@returns: the path of the world file
@rtype: string"""
raise NotImplementedError
def get_sync_command (self):
"""Returns the command(s) to run for syncing. This can be overridden by the user.
@returns: command to run
@rtype: string[]"""
raise NotImplementedError
def get_merge_command (self):
"""Returns the command(s) to run for the merging.
@returns: command to run
@rtype: string[]"""
raise NotImplementedError
def get_oneshot_option (self):
"""Returns the options to append for marking a merge as "oneshot".
@returns: option(s) to append
@rtype: string[]"""
raise NotImplementedError
def get_newuse_option (self):
"""Returns the options to append for marking a merge as "newuse".
@returns: option(s) to append
@rtype: string[]"""
raise NotImplementedError
def get_deep_option (self):
"""Returns the options to append for marking a merge as "deep".
@returns: option(s) to append
@rtype: string[]"""
raise NotImplementedError
def get_update_option (self):
"""Returns the options to append for marking a merge as "update".
@returns: option(s) to append
@rtype: string[]"""
raise NotImplementedError
def get_pretend_option (self):
"""Returns the options to append for marking a merge as "pretend".
@returns: option(s) to append
@rtype: string[]"""
raise NotImplementedError
def get_unmerge_option (self):
"""Returns the options to append for marking a merge as "unmerge".
@returns: option(s) to append
@rtype: string[]"""
raise NotImplementedError
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