view src/core/constants.py @ 2160:e67e8cd24141

core (tools/common): data objects first draft: this module aims is to help manipulate complex data from bridge, mainly for the template system. It is in common and not only in frontends as it may be used in some case by backend, if it needs to use template system in the future.
author Goffi <goffi@goffi.org>
date Tue, 21 Feb 2017 21:01:40 +0100
parents 7cbffd754b4a
children f472179305a1
line wrap: on
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-

# SàT: a XMPP client
# Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

try:
    from xdg import BaseDirectory
    from os.path import expanduser, realpath
except ImportError:
    BaseDirectory = None


class Const(object):

    ## Application ##
    APP_NAME = u'Salut à Toi'
    APP_NAME_SHORT = u'SàT'
    APP_NAME_FILE = u'sat'
    APP_NAME_FULL = u'%s (%s)' % (APP_NAME_SHORT, APP_NAME)
    APP_VERSION = u'0.7.0D'  # Please add 'D' at the end for dev versions
    APP_RELEASE_NAME = u'La Commune'
    APP_URL = u'http://salut-a-toi.org'


    ## Runtime ##
    PLUGIN_EXT = "py"
    HISTORY_SKIP = u'skip'

    ## Main config ##
    DEFAULT_BRIDGE = 'dbus'


    ## Protocol ##
    XMPP_C2S_PORT = 5222
    XMPP_KEEP_ALIFE = 180
    XMPP_MAX_RETRIES = 2
    # default port used on Prosody, may differ on other servers
    XMPP_COMPONENT_PORT = 5347


    ## Parameters ##
    NO_SECURITY_LIMIT = -1  # FIXME: to rename
    SECURITY_LIMIT_MAX = 0
    INDIVIDUAL = "individual"
    GENERAL = "general"
    # General parameters
    HISTORY_LIMIT = "History"
    SHOW_OFFLINE_CONTACTS = "Offline contacts"
    SHOW_EMPTY_GROUPS = "Empty groups"
    # Parameters related to connection
    FORCE_SERVER_PARAM = "Force server"
    FORCE_PORT_PARAM = "Force port"
    # Parameters related to encryption
    PROFILE_PASS_PATH = ('General', 'Password')
    MEMORY_CRYPTO_NAMESPACE = 'crypto'  # for the private persistent binary dict
    MEMORY_CRYPTO_KEY = 'personal_key'
    # Parameters for static blog pages
    # FIXME: blog constants should not be in core constants
    STATIC_BLOG_KEY = "Blog page"
    STATIC_BLOG_PARAM_TITLE = "Title"
    STATIC_BLOG_PARAM_BANNER = "Banner"
    STATIC_BLOG_PARAM_KEYWORDS = "Keywords"
    STATIC_BLOG_PARAM_DESCRIPTION = "Description"


    ## Menus ##
    MENU_GLOBAL = "GLOBAL"
    MENU_ROOM = "ROOM"
    MENU_SINGLE = "SINGLE"
    MENU_JID_CONTEXT = "JID_CONTEXT"
    MENU_ROSTER_JID_CONTEXT = "ROSTER_JID_CONTEXT"
    MENU_ROSTER_GROUP_CONTEXT = "MENU_ROSTER_GROUP_CONTEXT"
    MENU_ROOM_OCCUPANT_CONTEXT = "MENU_ROOM_OCCUPANT_CONTEXT"


    ## Profile and entities ##
    PROF_KEY_NONE = '@NONE@'
    PROF_KEY_DEFAULT = '@DEFAULT@'
    PROF_KEY_ALL = '@ALL@'
    ENTITY_ALL = '@ALL@'
    ENTITY_ALL_RESOURCES = '@ALL_RESOURCES@'
    ENTITY_MAIN_RESOURCE = '@MAIN_RESOURCE@'
    ENTITY_CAP_HASH = 'CAP_HASH'
    ENTITY_TYPE = 'TYPE'


    ## Roster jids selection ##
    PUBLIC = 'PUBLIC'
    ALL = 'ALL' # ALL means all known contacts, while PUBLIC means everybody, known or not
    GROUP = 'GROUP'
    JID = 'JID'


    ## Messages ##
    MESS_TYPE_INFO = 'info'
    MESS_TYPE_CHAT = 'chat'
    MESS_TYPE_ERROR = 'error'
    MESS_TYPE_GROUPCHAT = 'groupchat'
    MESS_TYPE_HEADLINE = 'headline'
    MESS_TYPE_NORMAL = 'normal'
    MESS_TYPE_AUTO = 'auto'  # magic value to let the backend guess the type
    MESS_TYPE_STANDARD = (MESS_TYPE_CHAT, MESS_TYPE_ERROR, MESS_TYPE_GROUPCHAT, MESS_TYPE_HEADLINE, MESS_TYPE_NORMAL)
    MESS_TYPE_ALL = MESS_TYPE_STANDARD + (MESS_TYPE_INFO, MESS_TYPE_AUTO)

    MESS_EXTRA_INFO = "info_type"


    ## Presence ##
    PRESENCE_UNAVAILABLE = 'unavailable'
    PRESENCE_SHOW_AWAY = 'away'
    PRESENCE_SHOW_CHAT = 'chat'
    PRESENCE_SHOW_DND = 'dnd'
    PRESENCE_SHOW_XA = 'xa'
    PRESENCE_SHOW = 'show'
    PRESENCE_STATUSES = 'statuses'
    PRESENCE_STATUSES_DEFAULT = 'default'
    PRESENCE_PRIORITY = 'priority'


    ## Common namespaces ##
    NS_XML = 'http://www.w3.org/XML/1998/namespace'
    NS_CLIENT = 'jabber:client'
    NS_FORWARD = 'urn:xmpp:forward:0'
    NS_DELAY = 'urn:xmpp:delay'
    NS_XHTML = 'http://www.w3.org/1999/xhtml'

    ## Directories ##
    CACHE_DIR = u'cache'


    ## Configuration ##
    if BaseDirectory:  # skipped when xdg module is not available (should not happen in backend)
        if "org.goffi.cagou.cagou" in BaseDirectory.__file__:
            # FIXME: hack to make config read from the right location on Android
            # TODO: fix it in a more proper way
            BaseDirectory = None
            DEFAULT_CONFIG = {
                'local_dir': '/data/data/org.goffi.cagou.cagou/',
                'media_dir': '/data/data/org.goffi.cagou.cagou/files/media',
                'pid_dir': '%(local_dir)s',
                'log_dir': '%(local_dir)s',
            }
            CONFIG_FILES = ['/data/data/org.goffi.cagou.cagou/files/platform/android/' + APP_NAME_FILE + '.conf']
        else:

            ## Configuration ##
            DEFAULT_CONFIG = {
                'media_dir': '/usr/share/' + APP_NAME_FILE + '/media',
                'local_dir': BaseDirectory.save_data_path(APP_NAME_FILE),
                'pid_dir': '%(local_dir)s',
                'log_dir': '%(local_dir)s',
            }

            # List of the configuration filenames sorted by ascending priority
            CONFIG_FILES = [realpath(expanduser(path) + APP_NAME_FILE + '.conf') for path in
                            ['/etc/', '~/', '~/.', '', '.'] +
                            ['%s/' % path for path in list(BaseDirectory.load_config_paths(APP_NAME_FILE))]
                           ]


    ## Plugins ##

    # PLUGIN_INFO keys
    # XXX: we use PI instead of PLUG_INFO which would normally be used
    #      to make the header more readable
    PI_NAME = u'name'
    PI_IMPORT_NAME = u'import_name'
    PI_MAIN = u'main'
    PI_HANDLER = u'handler'
    PI_TYPE = u'type'
    PI_MODES = u'modes'
    PI_PROTOCOLS = u'protocols'
    PI_DEPENDENCIES = u'dependencies'
    PI_RECOMMENDATIONS = u'recommendations'
    PI_DESCRIPTION = u'description'
    PI_USAGE = u'usage'

    # Types
    PLUG_TYPE_XEP = "XEP"
    PLUG_TYPE_MISC = "MISC"
    PLUG_TYPE_EXP = "EXP"
    PLUG_TYPE_SEC = "SEC"
    PLUG_TYPE_SYNTAXE = "SYNTAXE"
    PLUG_TYPE_BLOG = "BLOG"
    PLUG_TYPE_ENTRY_POINT = "ENTRY_POINT"

    # Modes
    PLUG_MODE_CLIENT = "client"
    PLUG_MODE_COMPONENT = "component"
    PLUG_MODE_DEFAULT = (PLUG_MODE_CLIENT,)

    # names of widely used plugins
    TEXT_CMDS = 'TEXT-COMMANDS'

    # PubSub event categories
    PS_PEP = "PEP"
    PS_MICROBLOG = "MICROBLOG"

    # PubSub
    PS_PUBLISH = "publish"
    PS_RETRACT = "retract" # used for items
    PS_DELETE = "delete" #used for nodes
    PS_ITEM = "item"
    PS_ITEMS = "items" # Can contain publish and retract items
    PS_EVENTS = (PS_ITEMS, PS_DELETE)


    ## XMLUI ##
    XMLUI_WINDOW = 'window'
    XMLUI_POPUP = 'popup'
    XMLUI_FORM = 'form'
    XMLUI_PARAM = 'param'
    XMLUI_DIALOG = 'dialog'
    XMLUI_DIALOG_CONFIRM = "confirm"
    XMLUI_DIALOG_MESSAGE = "message"
    XMLUI_DIALOG_NOTE = "note"
    XMLUI_DIALOG_FILE = "file"
    XMLUI_DATA_ANSWER = "answer"
    XMLUI_DATA_CANCELLED = "cancelled"
    XMLUI_DATA_TYPE = "type"
    XMLUI_DATA_MESS = "message"
    XMLUI_DATA_LVL = "level"
    XMLUI_DATA_LVL_INFO = "info"
    XMLUI_DATA_LVL_WARNING = "warning"
    XMLUI_DATA_LVL_ERROR = "error"
    XMLUI_DATA_LVL_DEFAULT = XMLUI_DATA_LVL_INFO
    XMLUI_DATA_LVLS = (XMLUI_DATA_LVL_INFO, XMLUI_DATA_LVL_WARNING, XMLUI_DATA_LVL_ERROR)
    XMLUI_DATA_BTNS_SET = "buttons_set"
    XMLUI_DATA_BTNS_SET_OKCANCEL = "ok/cancel"
    XMLUI_DATA_BTNS_SET_YESNO = "yes/no"
    XMLUI_DATA_BTNS_SET_DEFAULT = XMLUI_DATA_BTNS_SET_OKCANCEL
    XMLUI_DATA_FILETYPE = 'filetype'
    XMLUI_DATA_FILETYPE_FILE = "file"
    XMLUI_DATA_FILETYPE_DIR = "dir"
    XMLUI_DATA_FILETYPE_DEFAULT = XMLUI_DATA_FILETYPE_FILE


    ## Logging ##
    LOG_LVL_DEBUG = 'DEBUG'
    LOG_LVL_INFO = 'INFO'
    LOG_LVL_WARNING = 'WARNING'
    LOG_LVL_ERROR = 'ERROR'
    LOG_LVL_CRITICAL = 'CRITICAL'
    LOG_LEVELS = (LOG_LVL_DEBUG, LOG_LVL_INFO, LOG_LVL_WARNING, LOG_LVL_ERROR, LOG_LVL_CRITICAL)
    LOG_BACKEND_STANDARD = 'standard'
    LOG_BACKEND_TWISTED = 'twisted'
    LOG_BACKEND_BASIC = 'basic'
    LOG_BACKEND_CUSTOM = 'custom'
    LOG_BASE_LOGGER = 'root'
    LOG_TWISTED_LOGGER = 'twisted'
    LOG_OPT_SECTION = 'DEFAULT' # section of sat.conf where log options should be
    LOG_OPT_PREFIX = 'log_'
    # (option_name, default_value) tuples
    LOG_OPT_COLORS = ('colors', 'true') # true for auto colors, force to have colors even if stdout is not a tty, false for no color
    LOG_OPT_TAINTS_DICT = ('levels_taints_dict', {
        LOG_LVL_DEBUG: ('cyan',),
        LOG_LVL_INFO: (),
        LOG_LVL_WARNING: ('yellow',),
        LOG_LVL_ERROR: ('red', 'blink', r'/!\ ', 'blink_off'),
        LOG_LVL_CRITICAL: ('bold', 'red', 'Guru Meditation ', 'normal_weight')
        })
    LOG_OPT_LEVEL = ('level', 'info')
    LOG_OPT_FORMAT = ('fmt', '%(message)s') # similar to logging format.
    LOG_OPT_LOGGER = ('logger', '') # regex to filter logger name
    LOG_OPT_OUTPUT_SEP = '//'
    LOG_OPT_OUTPUT_DEFAULT = 'default'
    LOG_OPT_OUTPUT_MEMORY = 'memory'
    LOG_OPT_OUTPUT_MEMORY_LIMIT = 50
    LOG_OPT_OUTPUT_FILE = 'file' # file is implicit if only output
    LOG_OPT_OUTPUT = ('output', LOG_OPT_OUTPUT_SEP + LOG_OPT_OUTPUT_DEFAULT) # //default = normal output (stderr or a file with twistd), path/to/file for a file (must be the first if used), //memory for memory (options can be put in parenthesis, e.g.: //memory(500) for a 500 lines memory)


    ## action constants ##
    META_TYPE_FILE = "file"
    META_TYPE_OVERWRITE = "overwrite"


    ## HARD-CODED ACTIONS IDS (generated with uuid.uuid4) ##
    AUTHENTICATE_PROFILE_ID = u'b03bbfa8-a4ae-4734-a248-06ce6c7cf562'
    CHANGE_XMPP_PASSWD_ID = u'878b9387-de2b-413b-950f-e424a147bcd0'


    ## Text values ##
    BOOL_TRUE = "true"
    BOOL_FALSE = "false"


    ## Special values used in bridge methods calls ##
    HISTORY_LIMIT_DEFAULT = -1
    HISTORY_LIMIT_NONE = -2


    ## Misc ##
    SAVEFILE_DATABASE = APP_NAME_FILE + ".db"
    IQ_SET = '/iq[@type="set"]'
    ENV_PREFIX = 'SAT_' # Prefix used for environment variables
    IGNORE = 'ignore'
    NO_LIMIT = -1 # used in bridge when a integer value is expected
    DEFAULT_MAX_AGE = 1209600 # default max age of cached files, in seconds
    HASH_SHA1_EMPTY = 'da39a3ee5e6b4b0d3255bfef95601890afd80709'

    @classmethod
    def LOG_OPTIONS(cls):
        """Return options checked for logs"""
        # XXX: we use a classmethod so we can use Const inheritance to change default options
        return(cls.LOG_OPT_COLORS, cls.LOG_OPT_TAINTS_DICT, cls.LOG_OPT_LEVEL, cls.LOG_OPT_FORMAT, cls.LOG_OPT_LOGGER, cls.LOG_OPT_OUTPUT)

    @classmethod
    def bool(cls, value):
        """@return (bool): bool value for associated constant"""
        assert isinstance(value, basestring)
        return value.lower() in (cls.BOOL_TRUE, "1")

    @classmethod
    def boolConst(cls, value):
        """@return (str): constant associated to bool value"""
        assert isinstance(value, bool)
        return cls.BOOL_TRUE if value else cls.BOOL_FALSE