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classes: split apply_modes into two functions

This commit is contained in:
James Lu 2018-03-02 20:43:05 -08:00
parent 9cca695d14
commit 054680c806

View File

@ -665,25 +665,18 @@ class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
return self._parse_modes(args, oldmodes, supported_modes, prefixmodes=prefixmodes)
def apply_modes(self, target, changedmodes):
"""Takes a list of parsed IRC modes, and applies them on the given target.
The target can be either a channel or a user; this is handled automatically."""
usermodes = not self.is_channel(target)
try:
if usermodes:
old_modelist = self.users[target].modes
supported_modes = self.umodes
else:
old_modelist = self._channels[target].modes
supported_modes = self.cmodes
except KeyError:
log.warning('(%s) Possible desync? Mode target %s is unknown.', self.name, target)
return
def _apply_modes(self, old_modelist, changedmodes, is_channel=False,
prefixmodes=None):
"""
Takes a list of parsed IRC modes, and applies them onto the given target mode list.
"""
modelist = set(old_modelist)
log.debug('(%s) Applying modes %r on %s (initial modelist: %s)', self.name, changedmodes, target, modelist)
if is_channel:
supported_modes = self.cmodes
else:
supported_modes = self.umodes
for mode in changedmodes:
# Chop off the +/- part that parse_modes gives; it's meaningless for a mode list.
try:
@ -691,13 +684,13 @@ class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
except IndexError:
real_mode = mode
if not usermodes:
if prefixmodes is not None and is_channel:
# We only handle +qaohv for now. Iterate over every supported mode:
# if the IRCd supports this mode and it is the one being set, add/remove
# the person from the corresponding prefix mode list (e.g. c.prefixmodes['op']
# for ops).
for pmode, pmodelist in self._channels[target].prefixmodes.items():
if pmode in self.cmodes and real_mode[0] == self.cmodes[pmode]:
for pmode, pmodelist in prefixmodes.items():
if pmode in supported_modes and real_mode[0] == supported_modes[pmode]:
log.debug('(%s) Initial prefixmodes list: %s', self.name, pmodelist)
if mode[0][0] == '+':
pmodelist.add(mode[1])
@ -714,20 +707,20 @@ class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
continue
if mode[0][0] != '-':
log.debug('(%s) Adding mode %r on %s', self.name, real_mode, modelist)
# We're adding a mode
existing = [m for m in modelist if m[0] == real_mode[0] and m[1] != real_mode[1]]
if existing and real_mode[1] and real_mode[0] not in self.cmodes['*A']:
if existing and real_mode[1] and real_mode[0] not in supported_modes['*A']:
# The mode we're setting takes a parameter, but is not a list mode (like +beI).
# Therefore, only one version of it can exist at a time, and we must remove
# any old modepairs using the same letter. Otherwise, we'll get duplicates when,
# for example, someone sets mode "+l 30" on a channel already set "+l 25".
log.debug('(%s) Old modes for mode %r exist on %s, removing them: %s',
self.name, real_mode, target, str(existing))
log.debug('(%s) Old modes for mode %r exist in %s, removing them: %s',
self.name, real_mode, modelist, str(existing))
[modelist.discard(oldmode) for oldmode in existing]
modelist.add(real_mode)
log.debug('(%s) Adding mode %r on %s', self.name, real_mode, target)
else:
log.debug('(%s) Removing mode %r on %s', self.name, real_mode, target)
log.debug('(%s) Removing mode %r from %s', self.name, real_mode, modelist)
# We're removing a mode
if real_mode[1] is None:
# We're removing a mode that only takes arguments when setting.
@ -739,13 +732,36 @@ class PyLinkNetworkCoreWithUtils(PyLinkNetworkCore):
else:
modelist.discard(real_mode)
log.debug('(%s) Final modelist: %s', self.name, modelist)
return modelist
def apply_modes(self, target, changedmodes):
"""Takes a list of parsed IRC modes, and applies them on the given target.
The target can be either a channel or a user; this is handled automatically."""
is_channel = self.is_channel(target)
prefixmodes = None
try:
if usermodes:
self.users[target].modes = modelist
if is_channel:
c = self._channels[target]
old_modelist = c.modes
prefixmodes = c.prefixmodes
else:
self._channels[target].modes = modelist
old_modelist = self.users[target].modes
except KeyError:
log.warning("(%s) Invalid MODE target %s (usermodes=%s)", self.name, target, usermodes)
log.warning('(%s) Possible desync? Mode target %s is unknown.', self.name, target)
return
modelist = self._apply_modes(old_modelist, changedmodes, is_channel=is_channel,
prefixmodes=prefixmodes)
try:
if is_channel:
self._channels[target].modes = modelist
else:
self.users[target].modes = modelist
except KeyError:
log.warning("(%s) Invalid MODE target %s (is_channel=%s)", self.name, target, is_channel)
@staticmethod
def _flip(mode):