mirror of
https://github.com/ZoiteChat/zoitechat.git
synced 2026-03-10 16:00:18 +00:00
601 lines
16 KiB
Python
601 lines
16 KiB
Python
from __future__ import print_function
|
|
|
|
import importlib
|
|
import os
|
|
import pydoc
|
|
import signal
|
|
import sys
|
|
import traceback
|
|
import weakref
|
|
from contextlib import contextmanager
|
|
|
|
from _zoitechat_embedded import ffi, lib
|
|
|
|
if sys.version_info < (3, 0):
|
|
from io import BytesIO as HelpEater
|
|
else:
|
|
from io import StringIO as HelpEater
|
|
|
|
if not hasattr(sys, 'argv'):
|
|
sys.argv = ['<zoitechat>']
|
|
|
|
VERSION = b'2.18.0~pre2'
|
|
PLUGIN_NAME = ffi.new('char[]', b'Python')
|
|
PLUGIN_DESC = ffi.new('char[]', b'Python %d.%d scripting interface' % (sys.version_info[0], sys.version_info[1]))
|
|
PLUGIN_VERSION = ffi.new('char[]', VERSION)
|
|
|
|
zoitechat = None
|
|
local_interp = None
|
|
zoitechat_stdout = None
|
|
plugins = set()
|
|
|
|
|
|
@contextmanager
|
|
def redirected_stdout():
|
|
sys.stdout = sys.__stdout__
|
|
sys.stderr = sys.__stderr__
|
|
yield
|
|
sys.stdout = zoitechat_stdout
|
|
sys.stderr = zoitechat_stdout
|
|
|
|
|
|
if os.getenv('ZOITECHAT_LOG_PYTHON'):
|
|
def log(*args):
|
|
with redirected_stdout():
|
|
print(*args)
|
|
|
|
else:
|
|
def log(*args):
|
|
pass
|
|
|
|
|
|
class Stdout:
|
|
def __init__(self):
|
|
self.buffer = bytearray()
|
|
|
|
def write(self, string):
|
|
string = string.encode()
|
|
idx = string.rfind(b'\n')
|
|
if idx != -1:
|
|
self.buffer += string[:idx]
|
|
lib.zoitechat_print(lib.ph, bytes(self.buffer))
|
|
self.buffer = bytearray(string[idx + 1:])
|
|
else:
|
|
self.buffer += string
|
|
|
|
def flush(self):
|
|
lib.zoitechat_print(lib.ph, bytes(self.buffer))
|
|
self.buffer = bytearray()
|
|
|
|
def isatty(self):
|
|
return False
|
|
|
|
|
|
class Attribute:
|
|
def __init__(self):
|
|
self.time = 0
|
|
|
|
def __repr__(self):
|
|
return '<Attribute object at {}>'.format(id(self))
|
|
|
|
|
|
class Hook:
|
|
def __init__(self, plugin, callback, userdata, is_unload):
|
|
self.is_unload = is_unload
|
|
self.plugin = weakref.proxy(plugin)
|
|
self.callback = callback
|
|
self.userdata = userdata
|
|
self.zoitechat_hook = None
|
|
self.handle = ffi.new_handle(weakref.proxy(self))
|
|
|
|
def __del__(self):
|
|
log('Removing hook', id(self))
|
|
if self.is_unload is False:
|
|
assert self.zoitechat_hook is not None
|
|
lib.zoitechat_unhook(lib.ph, self.zoitechat_hook)
|
|
|
|
|
|
if sys.version_info[0] == 2:
|
|
def compile_file(data, filename):
|
|
return compile(data, filename, 'exec', dont_inherit=True)
|
|
|
|
|
|
def compile_line(string):
|
|
try:
|
|
return compile(string, '<string>', 'eval', dont_inherit=True)
|
|
|
|
except SyntaxError:
|
|
return compile(string, '<string>', 'exec', dont_inherit=True)
|
|
else:
|
|
def compile_file(data, filename):
|
|
return compile(data, filename, 'exec', optimize=2, dont_inherit=True)
|
|
|
|
|
|
def compile_line(string):
|
|
return compile(string + '\n', '<string>', 'single', optimize=2, dont_inherit=True)
|
|
|
|
|
|
class Plugin:
|
|
def __init__(self):
|
|
self.ph = None
|
|
self.name = ''
|
|
self.filename = ''
|
|
self.version = ''
|
|
self.description = ''
|
|
self.hooks = set()
|
|
self.globals = {
|
|
'__plugin': weakref.proxy(self),
|
|
'__name__': '__main__',
|
|
}
|
|
|
|
def add_hook(self, callback, userdata, is_unload=False):
|
|
hook = Hook(self, callback, userdata, is_unload=is_unload)
|
|
self.hooks.add(hook)
|
|
return hook
|
|
|
|
def remove_hook(self, hook):
|
|
for h in self.hooks:
|
|
if id(h) == hook:
|
|
ud = h.userdata
|
|
self.hooks.remove(h)
|
|
return ud
|
|
|
|
log('Hook not found')
|
|
return None
|
|
|
|
def loadfile(self, filename):
|
|
try:
|
|
self.filename = filename
|
|
with open(filename, 'rb') as f:
|
|
data = f.read().decode('utf-8')
|
|
compiled = compile_file(data, filename)
|
|
exec(compiled, self.globals)
|
|
|
|
try:
|
|
self.name = self.globals['__module_name__']
|
|
|
|
except KeyError:
|
|
lib.zoitechat_print(lib.ph, b'Failed to load module: __module_name__ must be set')
|
|
|
|
return False
|
|
|
|
self.version = self.globals.get('__module_version__', '')
|
|
self.description = self.globals.get('__module_description__', '')
|
|
self.ph = lib.zoitechat_plugingui_add(lib.ph, filename.encode(), self.name.encode(),
|
|
self.description.encode(), self.version.encode(), ffi.NULL)
|
|
|
|
except Exception as e:
|
|
lib.zoitechat_print(lib.ph, 'Failed to load module: {}'.format(e).encode())
|
|
traceback.print_exc()
|
|
return False
|
|
|
|
return True
|
|
|
|
def __del__(self):
|
|
log('unloading', self.filename)
|
|
for hook in self.hooks:
|
|
if hook.is_unload is True:
|
|
try:
|
|
hook.callback(hook.userdata)
|
|
|
|
except Exception as e:
|
|
log('Failed to run hook:', e)
|
|
traceback.print_exc()
|
|
|
|
del self.hooks
|
|
if self.ph is not None:
|
|
lib.zoitechat_plugingui_remove(lib.ph, self.ph)
|
|
|
|
|
|
if sys.version_info[0] == 2:
|
|
def __decode(string):
|
|
return string
|
|
|
|
else:
|
|
def __decode(string):
|
|
return string.decode()
|
|
|
|
|
|
def _cstr(ptr):
|
|
"""Safely convert a C char* (possibly NULL) to bytes."""
|
|
if ptr == ffi.NULL:
|
|
return b''
|
|
try:
|
|
return ffi.string(ptr)
|
|
except Exception:
|
|
return b''
|
|
|
|
def wordlist_len(words):
|
|
for i in range(31, 0, -1):
|
|
if _cstr(words[i]):
|
|
return i
|
|
return 0
|
|
|
|
|
|
def create_wordlist(words):
|
|
size = wordlist_len(words)
|
|
return [__decode(_cstr(words[i])) for i in range(1, size + 1)]
|
|
|
|
|
|
def create_wordeollist(words):
|
|
words = reversed(words)
|
|
accum = None
|
|
ret = []
|
|
for word in words:
|
|
if accum is None:
|
|
accum = word
|
|
|
|
elif word:
|
|
last = accum
|
|
accum = ' '.join((word, last))
|
|
|
|
ret.insert(0, accum)
|
|
|
|
return ret
|
|
|
|
|
|
def to_cb_ret(value):
|
|
if value is None:
|
|
return 0
|
|
|
|
return int(value)
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_command_hook(word, word_eol, userdata):
|
|
hook = ffi.from_handle(userdata)
|
|
word = create_wordlist(word)
|
|
word_eol = create_wordlist(word_eol)
|
|
return to_cb_ret(hook.callback(word, word_eol, hook.userdata))
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_print_hook(word, userdata):
|
|
hook = ffi.from_handle(userdata)
|
|
word = create_wordlist(word)
|
|
word_eol = create_wordeollist(word)
|
|
return to_cb_ret(hook.callback(word, word_eol, hook.userdata))
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_print_attrs_hook(word, attrs, userdata):
|
|
hook = ffi.from_handle(userdata)
|
|
word = create_wordlist(word)
|
|
word_eol = create_wordeollist(word)
|
|
attr = Attribute()
|
|
attr.time = attrs.server_time_utc
|
|
return to_cb_ret(hook.callback(word, word_eol, hook.userdata, attr))
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_server_hook(word, word_eol, userdata):
|
|
hook = ffi.from_handle(userdata)
|
|
word = create_wordlist(word)
|
|
word_eol = create_wordlist(word_eol)
|
|
return to_cb_ret(hook.callback(word, word_eol, hook.userdata))
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_server_attrs_hook(word, word_eol, attrs, userdata):
|
|
hook = ffi.from_handle(userdata)
|
|
word = create_wordlist(word)
|
|
word_eol = create_wordlist(word_eol)
|
|
attr = Attribute()
|
|
attr.time = attrs.server_time_utc
|
|
return to_cb_ret(hook.callback(word, word_eol, hook.userdata, attr))
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_timer_hook(userdata):
|
|
hook = ffi.from_handle(userdata)
|
|
if hook.callback(hook.userdata) == True:
|
|
return 1
|
|
|
|
try:
|
|
hook.is_unload = True
|
|
except ReferenceError:
|
|
return 0
|
|
|
|
for h in hook.plugin.hooks:
|
|
if h == hook:
|
|
hook.plugin.hooks.remove(h)
|
|
break
|
|
|
|
return 0
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_say_command(word, word_eol, userdata):
|
|
"""Handle input in the special >>python<< tab.
|
|
|
|
This callback is wired via hook_command(b''), so it may be invoked for a wide range
|
|
of internal commands. It must never throw, and must default to EAT_NONE.
|
|
"""
|
|
try:
|
|
channel = _cstr(lib.zoitechat_get_info(lib.ph, b'channel'))
|
|
except Exception:
|
|
return 0
|
|
|
|
if channel != b'>>python<<':
|
|
return 0
|
|
|
|
try:
|
|
python = _cstr(word_eol[1])
|
|
except Exception:
|
|
python = b''
|
|
|
|
if not python:
|
|
return 1
|
|
|
|
try:
|
|
exec_in_interp(python)
|
|
except Exception:
|
|
exc = traceback.format_exc().encode('utf-8', errors='replace')
|
|
lib.zoitechat_print(lib.ph, exc)
|
|
return 1
|
|
|
|
|
|
def load_filename(filename):
|
|
filename = os.path.expanduser(filename)
|
|
if not os.path.isabs(filename):
|
|
configdir = __decode(_cstr(lib.zoitechat_get_info(lib.ph, b'configdir')))
|
|
|
|
filename = os.path.join(configdir, 'addons', filename)
|
|
|
|
if filename and not any(plugin.filename == filename for plugin in plugins):
|
|
plugin = Plugin()
|
|
if plugin.loadfile(filename):
|
|
plugins.add(plugin)
|
|
return True
|
|
|
|
return False
|
|
|
|
|
|
def unload_name(name):
|
|
if name:
|
|
for plugin in plugins:
|
|
if name in (plugin.name, plugin.filename, os.path.basename(plugin.filename)):
|
|
plugins.remove(plugin)
|
|
return True
|
|
|
|
return False
|
|
|
|
|
|
def reload_name(name):
|
|
if name:
|
|
for plugin in plugins:
|
|
if name in (plugin.name, plugin.filename, os.path.basename(plugin.filename)):
|
|
filename = plugin.filename
|
|
plugins.remove(plugin)
|
|
return load_filename(filename)
|
|
|
|
return False
|
|
|
|
|
|
@contextmanager
|
|
def change_cwd(path):
|
|
old_cwd = os.getcwd()
|
|
os.chdir(path)
|
|
yield
|
|
os.chdir(old_cwd)
|
|
|
|
|
|
def autoload():
|
|
configdir = __decode(_cstr(lib.zoitechat_get_info(lib.ph, b'configdir')))
|
|
addondir = os.path.join(configdir, 'addons')
|
|
try:
|
|
with change_cwd(addondir):
|
|
for f in os.listdir(addondir):
|
|
if f.endswith('.py'):
|
|
log('Autoloading', f)
|
|
load_filename(os.path.join(addondir, f))
|
|
|
|
except FileNotFoundError as e:
|
|
log('Autoload failed', e)
|
|
|
|
|
|
def list_plugins():
|
|
if not plugins:
|
|
lib.zoitechat_print(lib.ph, b'No python modules loaded')
|
|
return
|
|
|
|
tbl_headers = [b'Name', b'Version', b'Filename', b'Description']
|
|
tbl = [
|
|
tbl_headers,
|
|
[(b'-' * len(s)) for s in tbl_headers]
|
|
]
|
|
|
|
for plugin in plugins:
|
|
basename = os.path.basename(plugin.filename).encode()
|
|
name = plugin.name.encode()
|
|
version = plugin.version.encode() if plugin.version else b'<none>'
|
|
description = plugin.description.encode() if plugin.description else b'<none>'
|
|
tbl.append((name, version, basename, description))
|
|
|
|
column_sizes = [
|
|
max(len(item) for item in column)
|
|
for column in zip(*tbl)
|
|
]
|
|
|
|
for row in tbl:
|
|
lib.zoitechat_print(lib.ph, b' '.join(item.ljust(column_sizes[i])
|
|
for i, item in enumerate(row)))
|
|
lib.zoitechat_print(lib.ph, b'')
|
|
|
|
|
|
def exec_in_interp(python):
|
|
global local_interp
|
|
|
|
if not python:
|
|
return
|
|
|
|
if local_interp is None:
|
|
local_interp = Plugin()
|
|
local_interp.locals = {}
|
|
local_interp.globals['zoitechat'] = zoitechat
|
|
|
|
code = compile_line(python)
|
|
try:
|
|
ret = eval(code, local_interp.globals, local_interp.locals)
|
|
if ret is not None:
|
|
lib.zoitechat_print(lib.ph, '{}'.format(ret).encode())
|
|
|
|
except Exception as e:
|
|
traceback.print_exc(file=zoitechat_stdout)
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_load_command(word, word_eol, userdata):
|
|
filename = _cstr(word[2])
|
|
if filename.endswith(b'.py'):
|
|
load_filename(__decode(filename))
|
|
return 3
|
|
|
|
return 0
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_unload_command(word, word_eol, userdata):
|
|
filename = _cstr(word[2])
|
|
if filename.endswith(b'.py'):
|
|
unload_name(__decode(filename))
|
|
return 3
|
|
|
|
return 0
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_reload_command(word, word_eol, userdata):
|
|
filename = _cstr(word[2])
|
|
if filename.endswith(b'.py'):
|
|
reload_name(__decode(filename))
|
|
return 3
|
|
|
|
return 0
|
|
|
|
|
|
@ffi.def_extern(error=3)
|
|
def _on_py_command(word, word_eol, userdata):
|
|
subcmd = __decode(ffi.string(word[2])).lower()
|
|
|
|
if subcmd == 'exec':
|
|
python = __decode(ffi.string(word_eol[3]))
|
|
exec_in_interp(python)
|
|
|
|
elif subcmd == 'load':
|
|
filename = __decode(ffi.string(word[3]))
|
|
load_filename(filename)
|
|
|
|
elif subcmd == 'unload':
|
|
name = __decode(ffi.string(word[3]))
|
|
if not unload_name(name):
|
|
lib.zoitechat_print(lib.ph, b'Can\'t find a python plugin with that name')
|
|
|
|
elif subcmd == 'reload':
|
|
name = __decode(ffi.string(word[3]))
|
|
if not reload_name(name):
|
|
lib.zoitechat_print(lib.ph, b'Can\'t find a python plugin with that name')
|
|
|
|
elif subcmd == 'console':
|
|
lib.zoitechat_command(lib.ph, b'QUERY >>python<<')
|
|
|
|
elif subcmd == 'list':
|
|
list_plugins()
|
|
|
|
elif subcmd == 'about':
|
|
lib.zoitechat_print(lib.ph, b'ZoiteChat Python interface version ' + VERSION)
|
|
|
|
else:
|
|
lib.zoitechat_command(lib.ph, b'HELP PY')
|
|
|
|
return 3
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_plugin_init(plugin_name, plugin_desc, plugin_version, arg, libdir):
|
|
global zoitechat
|
|
global zoitechat_stdout
|
|
|
|
signal.signal(signal.SIGINT, signal.SIG_DFL)
|
|
|
|
plugin_name[0] = PLUGIN_NAME
|
|
plugin_desc[0] = PLUGIN_DESC
|
|
plugin_version[0] = PLUGIN_VERSION
|
|
|
|
try:
|
|
libdir = __decode(_cstr(libdir))
|
|
modpaths = [
|
|
os.path.abspath(os.path.join(libdir, '..', 'python')),
|
|
os.path.abspath(os.path.join(libdir, 'python')),
|
|
]
|
|
|
|
appdir = os.getenv('APPDIR')
|
|
if appdir:
|
|
modpaths.extend([
|
|
os.path.join(appdir, 'usr', 'lib', 'zoitechat', 'python'),
|
|
os.path.join(appdir, 'usr', 'lib', 'x86_64-linux-gnu', 'zoitechat', 'python'),
|
|
])
|
|
|
|
if os.getenv('FLATPAK_ID'):
|
|
modpaths.extend([
|
|
'/app/lib/zoitechat/python',
|
|
'/app/lib/x86_64-linux-gnu/zoitechat/python',
|
|
])
|
|
|
|
for modpath in modpaths:
|
|
if os.path.isdir(modpath) and modpath not in sys.path:
|
|
sys.path.append(modpath)
|
|
|
|
zoitechat = importlib.import_module('zoitechat')
|
|
|
|
except (UnicodeDecodeError, ImportError) as e:
|
|
lib.zoitechat_print(lib.ph, b'Failed to import module: ' + repr(e).encode())
|
|
|
|
return 0
|
|
|
|
zoitechat_stdout = Stdout()
|
|
sys.stdout = zoitechat_stdout
|
|
sys.stderr = zoitechat_stdout
|
|
pydoc.help = pydoc.Helper(HelpEater(), HelpEater())
|
|
|
|
lib.zoitechat_hook_command(lib.ph, b'', 0, lib._on_say_command, ffi.NULL, ffi.NULL)
|
|
lib.zoitechat_hook_command(lib.ph, b'LOAD', 0, lib._on_load_command, ffi.NULL, ffi.NULL)
|
|
lib.zoitechat_hook_command(lib.ph, b'UNLOAD', 0, lib._on_unload_command, ffi.NULL, ffi.NULL)
|
|
lib.zoitechat_hook_command(lib.ph, b'RELOAD', 0, lib._on_reload_command, ffi.NULL, ffi.NULL)
|
|
lib.zoitechat_hook_command(lib.ph, b'PY', 0, lib._on_py_command, b'''Usage: /PY LOAD <filename>
|
|
UNLOAD <filename|name>
|
|
RELOAD <filename|name>
|
|
LIST
|
|
EXEC <command>
|
|
CONSOLE
|
|
ABOUT''', ffi.NULL)
|
|
|
|
lib.zoitechat_print(lib.ph, b'Python interface loaded')
|
|
autoload()
|
|
return 1
|
|
|
|
|
|
@ffi.def_extern()
|
|
def _on_plugin_deinit():
|
|
global local_interp
|
|
global zoitechat
|
|
global zoitechat_stdout
|
|
global plugins
|
|
|
|
plugins = set()
|
|
local_interp = None
|
|
zoitechat = None
|
|
zoitechat_stdout = None
|
|
sys.stdout = sys.__stdout__
|
|
sys.stderr = sys.__stderr__
|
|
pydoc.help = pydoc.Helper()
|
|
|
|
for mod in ('_zoitechat', 'zoitechat', 'xchat', '_zoitechat_embedded'):
|
|
try:
|
|
del sys.modules[mod]
|
|
|
|
except KeyError:
|
|
pass
|
|
|
|
return 1
|