async def _rename_user(self, user, channel):
config = self._plug_config(channel)
# Use name-format or identities to render a suitable author real name.
base = (user.real_name or user.username) if user else None
name = None
identity = None
force = False
if user and self._identities:
try:
identity = await self._identities.identity_from_user(user)
except Exception:
log.warning("Failed to retrieve identity information for %r",
user,
exc_info=True)
if config["name-format"]:
if not Template:
raise immp.PlugError("'jinja2' module not installed")
title = await channel.title() if channel else None
context = {"user": user, "identity": identity, "channel": title}
try:
name = Template(config["name-format"]).render(**context)
except TemplateError:
log.warning("Bad name format template", exc_info=True)
else:
# Remove the user's username, so that this name is always used.
force = True
elif identity:
name = "{} ({})".format(base, identity.name)
if config["strip-name-emoji"]:
if not EMOJI_REGEX:
raise immp.PlugError("'emoji' module not installed")
current = name or base
if current:
name = EMOJI_REGEX.sub(_emoji_replace, current).strip()
if not name:
return user
elif config["reset-author"] or not user:
log.debug("Creating unlinked user with real name: %r", name)
return immp.User(real_name=name,
suggested=(user.suggested if user else False))
else:
log.debug("Copying user with new real name: %r -> %r", user, name)
return immp.User(id_=user.id,
plug=user.plug,
real_name=name,
username=(None if force else user.username),
avatar=user.avatar,
link=user.link,
suggested=user.suggested)
async def _parse_author(cls, slack, event=None, author=None):
user = None
if author:
pass
elif not event:
raise TypeError("Need either event or author")
elif event["user"]:
author = event["user"]
elif event["bot_id"] in slack._bot_to_user:
# Event has the bot's app ID, not user ID.
author = slack._bot_to_user[event["bot_id"]]
elif event["bot_id"] in slack._bots:
# Slack app with no bot presence, use the app metadata.
user = slack._bots[event["bot_id"]]
if author:
user = await slack.user_from_id(author) or SlackUser(id_=author,
plug=slack)
if event["username"]:
if user:
user = copy(user)
user.real_name = event["username"]
else:
user = immp.User(real_name=event["username"])
icon = SlackUser._best_image(event["icons"])
if icon:
user.avatar = icon
return user
async def members(self, msg):
"""
List all members of the current conversation, across all channels.
"""
members = defaultdict(list)
missing = False
for synced in self.channels[msg.channel.source]:
local = (await synced.members())
if local:
members[synced.plug.network_name] += local
else:
missing = True
if not members:
return
text = immp.RichText([immp.Segment("Members of this conversation:")])
for network in sorted(members):
text.append(immp.Segment("\n{}".format(network), bold=True))
for member in sorted(members[network],
key=lambda member: member.real_name or member.username):
name = member.real_name or member.username
text.append(immp.Segment("\n"))
if member.link:
text.append(immp.Segment(name, link=member.link))
elif member.real_name and member.username:
text.append(immp.Segment("{} [{}]".format(name, member.username)))
else:
text.append(immp.Segment(name))
if missing:
text.append(immp.Segment("\n"),
immp.Segment("(list may be incomplete)"))
await msg.channel.send(immp.Message(user=immp.User(real_name="Sync"), text=text))
def from_who(cls, irc, line):
id_ = "{}!{}@{}".format(line.args[5], line.args[2], line.args[3])
username = line.args[5]
real_name = line.args[-1].split(" ", 1)[-1]
return immp.User(id_=id_,
plug=irc,
username=username,
real_name=real_name,
raw=line)
async def list(self, msg):
"""
List all channels connected to this conversation.
"""
text = immp.RichText([immp.Segment("Channels in this sync:")])
for synced in self.channels[msg.channel.source]:
text.append(immp.Segment("\n{}".format(synced.plug.network_name)))
title = await synced.title()
if title:
text.append(immp.Segment(": {}".format(title)))
await msg.channel.send(immp.Message(user=immp.User(real_name="Sync"), text=text))
def from_whois(cls, irc, line):
"""
Convert the response of a ``WHOIS`` query into a :class:`.User`.
Args:
irc (.IRCPlug):
Related plug instance that provides the user.
line (.Line):
311-numeric line containing a user's nick, host and real name.
Returns:
.User:
Parsed user object.
"""
id_ = "{}!{}@{}".format(line.args[1], line.args[2], line.args[3])
username = line.args[1]
real_name = line.args[-1]
return immp.User(id_=id_, plug=irc, username=username, real_name=real_name, raw=line)
def from_id(cls, irc, id_, real_name=None):
"""
Extract the nick from a nickmask into a :class:`.User`.
Args:
irc (.IRCPlug):
Related plug instance that provides the user.
id_ (str):
Nickmask of the target user.
real_name (str):
Display name of the user, if known.
Returns:
.User:
Parsed user object.
"""
nick = id_.split("!", 1)[0]
return immp.User(id_=id_, plug=irc, username=nick, real_name=real_name, raw=id_)
async def _rename_user(self, user, channel):
# Use name-format or identities to render a suitable author real name.
renamed = name = identity = None
if not self.config["reset-author"]:
renamed = user
if self._identities:
try:
identity = await self._identities.identity_from_user(user)
except Exception as e:
log.warning("Failed to retrieve identity information for %r", user,
exc_info=e)
if self.config["name-format"]:
if not Template:
raise immp.PlugError("'jinja2' module not installed")
title = await channel.title() if channel else None
context = {"user": user, "identity": identity, "channel": title}
name = Template(self.config["name-format"]).render(**context)
if not name and self.config["reset-author"]:
user = None
elif self.config["reset-author"]:
user = None
elif identity:
name = "{} ({})".format(user.real_name or user.username, identity.name)
elif self.config["strip-name-emoji"] and user:
name = user.real_name or user.username
if not name:
return user
if self.config["strip-name-emoji"]:
if not EMOJI_REGEX:
raise immp.PlugError("'emoji' module not installed")
name = EMOJI_REGEX.sub(_emoji_replace, name).strip()
if renamed:
log.debug("Replacing real name: %r -> %r", renamed.real_name, name)
renamed = copy(renamed)
renamed.real_name = name
else:
log.debug("Adding real name: %r", name)
renamed = immp.User(real_name=name)
return renamed
def __init__(self, name, config, host):
super().__init__(name, config, host)
self.counter = immp.IDGen()
self.user = immp.User(id_="dummy", real_name=name)
self.channel = immp.Channel(self, "dummy")
self._task = None
class SyncHook(_SyncHookBase):
"""
Hook to propagate messages between two or more channels.
Attributes:
plug (.SyncPlug):
Virtual plug for this sync, if configured.
"""
schema = immp.Schema(
{
immp.Optional("edits", True): bool,
immp.Optional("joins", True): bool,
immp.Optional("renames", True): bool,
immp.Optional("plug"): immp.Nullable(str),
immp.Optional("titles", dict): {
str: str
}
}, _SyncHookBase.schema)
user = immp.User(real_name="Sync", suggested=True)
def __init__(self, name, config, host):
super().__init__(name, config, host)
# Message cache, stores IDs of all synced messages by channel.
self._cache = SyncCache(self)
# Hook lock, to put a hold on retrieving messages whilst a send is in progress.
self._lock = BoundedSemaphore()
# Add a virtual plug to the host, for external subscribers.
if self.config["plug"]:
log.debug("Creating virtual plug: %r", self.config["plug"])
self.plug = SyncPlug(self.config["plug"], self, host)
host.add_plug(self.plug)
for label in self.config["channels"]:
host.add_channel(label, immp.Channel(self.plug, label))
else:
self.plug = None
self._db = False
def on_load(self):
try:
self.host.resources[AsyncDatabaseHook].add_models(SyncBackRef)
except KeyError:
self._db = False
else:
self._db = True
channels = immp.ConfigProperty({None: [immp.Channel]})
def label_for_channel(self, channel):
labels = []
for label, channels in self.channels.items():
if channel in channels:
labels.append(label)
if not labels:
raise immp.ConfigError("Channel {} not bridged".format(
repr(channel)))
elif len(labels) > 1:
raise immp.ConfigError("Channel {} defined more than once".format(
repr(channel)))
else:
return labels[0]
def _test(self, channel, user):
return any(channel in channels for channels in self.channels.values())
@command("sync-members", test=_test)
async def members(self, msg):
"""
List all members of the current conversation, across all channels.
"""
members = defaultdict(list)
missing = False
for synced in self.channels[msg.channel.source]:
local = (await synced.members())
if local:
members[synced.plug.network_name] += local
else:
missing = True
if not members:
return
text = immp.RichText([immp.Segment("Members of this conversation:")])
for network in sorted(members):
text.append(immp.Segment("\n{}".format(network), bold=True))
for member in sorted(
members[network],
key=lambda member: member.real_name or member.username):
name = member.real_name or member.username
text.append(immp.Segment("\n"))
if member.link:
text.append(immp.Segment(name, link=member.link))
elif member.real_name and member.username:
text.append(
immp.Segment("{} [{}]".format(name, member.username)))
else:
text.append(immp.Segment(name))
if missing:
text.append(immp.Segment("\n"),
immp.Segment("(list may be incomplete)"))
await msg.channel.send(immp.Message(user=self.user, text=text))
@command("sync-list", test=_test)
async def list(self, msg):
"""
List all channels connected to this conversation.
"""
text = immp.RichText([immp.Segment("Channels in this sync:")])
for synced in self.channels[msg.channel.source]:
text.append(immp.Segment("\n{}".format(synced.plug.network_name)))
title = await synced.title()
if title:
text.append(immp.Segment(": {}".format(title)))
await msg.channel.send(immp.Message(user=self.user, text=text))
async def send(self, label, msg, origin=None, ref=None, update=False):
"""
Send a message to all channels in this synced group.
Args:
label (str):
Bridge that defines the underlying synced channels to send to.
msg (.Message):
External message to push. This should be the source copy when syncing a message
from another channel.
origin (.Receipt):
Raw message that triggered this sync; if set and part of the sync, it will be
skipped (used to avoid retransmitting a message we just received). This should be
the plug-native copy of a message when syncing from another channel.
ref (.SyncRef):
Existing sync reference, if message has been partially synced.
update (bool):
``True`` to force resending an updated message to all synced channels.
"""
base = immp.Message(text=msg.text,
user=msg.user,
edited=msg.edited,
action=msg.action,
reply_to=msg.reply_to,
joined=msg.joined,
left=msg.left,
title=msg.title,
attachments=msg.attachments,
raw=msg)
queue = []
for synced in self.channels[label]:
if origin and synced == origin.channel:
continue
elif not update and ref and ref.ids[synced]:
log.debug("Skipping already-synced target channel %r: %r",
synced, ref)
continue
local = base.clone()
await self._replace_recurse(local, self._replace_ref, synced)
await self._alter_recurse(local, self._alter_identities, synced)
await self._alter_recurse(local, self._alter_name)
queue.append(self._send(synced, local))
# Just like with plugs, when sending a new (external) message to all channels in a sync, we
# need to wait for all plugs to complete and have their IDs cached before processing any
# further messages.
async with self._lock:
all_receipts = dict(await gather(*queue))
ids = {
channel: [receipt.id for receipt in receipts]
for channel, receipts in all_receipts.items()
}
if ref:
ref.ids.update(ids)
else:
ref = SyncRef(ids, source=msg, origin=origin)
await self._cache.add(ref)
# Push a copy of the message to the sync channel, if running.
if self.plug:
sent = immp.SentMessage(id_=ref.key,
channel=immp.Channel(self.plug, label),
text=msg.text,
user=msg.user,
action=msg.action,
reply_to=msg.reply_to,
joined=msg.joined,
left=msg.left,
title=msg.title,
attachments=msg.attachments,
raw=msg)
self.plug.queue(sent)
return ref
async def delete(self, ref, sent=None):
queue = []
for channel, ids in ref.ids.items():
for id_ in ids:
if not (sent and sent.channel == channel and sent.id == id_):
queue.append(immp.Receipt(id_, channel).delete())
if queue:
await gather(*queue)
async def _replace_ref(self, msg, channel):
if not isinstance(msg, immp.Receipt):
log.debug("Not replacing non-receipt message: %r", msg)
return msg
base = None
if isinstance(msg, immp.SentMessage):
base = immp.Message(text=msg.text,
user=msg.user,
action=msg.action,
reply_to=msg.reply_to,
joined=msg.joined,
left=msg.left,
title=msg.title,
attachments=msg.attachments,
raw=msg.raw)
try:
ref = await self._cache.get(msg)
except KeyError:
log.debug("No match for source message: %r", msg)
return base
# Given message was a resync of the source message from a synced channel.
if ref.ids.get(channel):
log.debug("Found reference to previously synced message: %r",
ref.key)
at = ref.source.at if isinstance(ref.source,
immp.Receipt) else None
best = ref.source or msg
return immp.SentMessage(id_=ref.ids[channel][0],
channel=channel,
at=at,
text=best.text,
user=best.user,
action=best.action,
reply_to=best.reply_to,
joined=best.joined,
left=best.left,
title=best.title,
attachments=best.attachments,
raw=best.raw)
elif channel.plug == msg.channel.plug:
log.debug("Referenced message has origin plug, not modifying: %r",
msg)
return msg
else:
log.debug(
"Origin message not referenced in the target channel: %r", msg)
return base
async def on_receive(self, sent, source, primary):
await super().on_receive(sent, source, primary)
if not primary or not self._accept(source, sent.id):
return
try:
label = self.label_for_channel(sent.channel)
except immp.ConfigError:
return
async with self._lock:
# No critical section here, just wait for any pending messages to be sent.
pass
ref = None
update = False
try:
ref = await self._cache.get(sent)
except KeyError:
if sent.deleted:
log.debug("Ignoring deleted message not in sync cache: %r",
sent)
return
else:
log.debug("Incoming message not in sync cache: %r", sent)
else:
if sent.deleted:
if self.config["edits"]:
log.debug("Incoming message is a delete, needs sync: %r",
sent)
await self.delete(ref)
else:
log.debug("Ignoring deleted message: %r", sent)
return
elif (sent.edited and not ref.revisions) or ref.revision(sent):
if self.config["edits"]:
log.debug("Incoming message is an update, needs sync: %r",
sent)
update = True
else:
log.debug("Ignoring updated message: %r", sent)
return
elif all(ref.ids[channel] for channel in self.channels[label]):
log.debug("Incoming message already synced: %r", sent)
return
else:
log.debug("Incoming message partially synced: %r", sent)
log.debug("Sending message to synced channel %r: %r", label, sent.id)
await self.send(label, source, sent, ref, update)
def from_id(cls, irc, id_):
nick = id_.split("!", 1)[0]
return immp.User(id_=id_, plug=irc, username=nick, raw=id_)
