167 lines
6 KiB
Python
167 lines
6 KiB
Python
# -*- mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
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import common.tox_save as tox_save
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global LOG
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import logging
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LOG = logging.getLogger(__name__)
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# callbacks can be called in any thread so were being careful
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from av.calls import LOG_ERROR, LOG_WARN, LOG_INFO, LOG_DEBUG, LOG_TRACE
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class ContactProvider(tox_save.ToxSave):
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def __init__(self, tox, friend_factory, group_factory, group_peer_factory, app=None):
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super().__init__(tox)
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self._friend_factory = friend_factory
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self._group_factory = group_factory
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self._group_peer_factory = group_peer_factory
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self._cache = {} # key - contact's public key, value - contact instance
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self._app = app
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# Friends
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def get_friend_by_number(self, friend_number):
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try:
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public_key = self._tox.friend_get_public_key(friend_number)
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except Exception as e:
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LOG_WARN(f"CP.get_friend_by_number NO {friend_number} {e} ")
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return None
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return self.get_friend_by_public_key(public_key)
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def get_friend_by_public_key(self, public_key):
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friend = self._get_contact_from_cache(public_key)
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if friend is not None:
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return friend
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friend = self._friend_factory.create_friend_by_public_key(public_key)
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if friend is None:
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LOG_WARN(f"CP.get_friend_by_public_key NULL {friend} ")
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else:
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self._add_to_cache(public_key, friend)
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LOG_DEBUG(f"CP.get_friend_by_public_key ADDED {friend} ")
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return friend
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def get_all_friends(self):
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if self._app and self._app.bAppExiting:
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return
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try:
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friend_numbers = self._tox.self_get_friend_list()
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except Exception as e:
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LOG_WARN(f"CP.get_all_friends EXCEPTION {e} ")
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return None
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friends = map(lambda n: self.get_friend_by_number(n), friend_numbers)
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return list(friends)
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# Groups
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def get_all_groups(self):
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"""from callbacks"""
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try:
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len_groups = self._tox.group_get_number_groups()
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group_numbers = range(len_groups)
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except Exception as e:
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return None
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groups = list(map(lambda n: self.get_group_by_number(n), group_numbers))
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# failsafe in case there are bogus None groups?
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fgroups = list(filter(lambda x: x, groups))
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if len(fgroups) != len_groups:
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LOG_WARN(f"CP.are there are bogus None groups in libtoxcore? {len(fgroups)} != {len_groups}")
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for group_num in group_numbers:
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group = self.get_group_by_number(group_num)
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if group is None:
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LOG_ERROR(f"There are bogus None groups in libtoxcore {group_num}!")
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# fixme: do something
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groups = fgroups
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return groups
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def get_group_by_number(self, group_number):
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group = None
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try:
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# LOG_DEBUG(f"CP.CP.group_get_number {group_number} ")
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# original code
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chat_id = self._tox.group_get_chat_id(group_number)
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if chat_id is None:
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LOG_ERROR(f"get_group_by_number NULL chat_id ({group_number})")
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elif chat_id == '-1':
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LOG_ERROR(f"get_group_by_number <0 chat_id ({group_number})")
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else:
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LOG_INFO(f"CP.group_get_number {group_number} {chat_id}")
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group = self.get_group_by_chat_id(chat_id)
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if group is None or group == '-1':
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LOG_WARN(f"CP.get_group_by_number leaving {group} ({group_number})")
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#? iRet = self._tox.group_leave(group_number)
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# invoke in main thread?
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# self._contacts_manager.delete_group(group_number)
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return group
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except Exception as e:
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LOG_WARN(f"CP.group_get_number {group_number} {e}")
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return None
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def get_group_by_chat_id(self, chat_id):
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group = self._get_contact_from_cache(chat_id)
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if group is not None:
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return group
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group = self._group_factory.create_group_by_chat_id(chat_id)
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if group is None:
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LOG_ERROR(f"get_group_by_chat_id NULL chat_id={chat_id}")
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else:
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self._add_to_cache(chat_id, group)
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return group
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def get_group_by_public_key(self, public_key):
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group = self._get_contact_from_cache(public_key)
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if group is not None:
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return group
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group = self._group_factory.create_group_by_public_key(public_key)
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if group is None:
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LOG_WARN(f"get_group_by_public_key NULL group public_key={public_key}")
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else:
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self._add_to_cache(public_key, group)
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return group
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# Group peers
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def get_all_group_peers(self):
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return list()
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def get_group_peer_by_id(self, group, peer_id):
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peer = group.get_peer_by_id(peer_id)
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if peer is not None:
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return self._get_group_peer(group, peer)
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LOG_WARN(f"get_group_peer_by_id peer_id={peer_id}")
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return None
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def get_group_peer_by_public_key(self, group, public_key):
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peer = group.get_peer_by_public_key(public_key)
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if peer is not None:
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return self._get_group_peer(group, peer)
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LOG_WARN(f"get_group_peer_by_public_key public_key={public_key}")
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return None
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# All contacts
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def get_all(self):
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return self.get_all_friends() + self.get_all_groups() + self.get_all_group_peers()
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# Caching
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def clear_cache(self):
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self._cache.clear()
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def remove_contact_from_cache(self, contact_public_key):
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if contact_public_key in self._cache:
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del self._cache[contact_public_key]
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# Private methods
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def _get_contact_from_cache(self, public_key):
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return self._cache[public_key] if public_key in self._cache else None
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def _add_to_cache(self, public_key, contact):
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self._cache[public_key] = contact
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def _get_group_peer(self, group, peer):
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return self._group_peer_factory.create_group_peer(group, peer)
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