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sly.py
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sly.py
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from sublime import *
import sublime_plugin, threading, asyncio # import the required modules
from operator import itemgetter
from . import util, sexpdata, debugger
from .debugger import Debugger
from .slynk import slynk
from .tracer import Tracer
import logging
import functools
from typing import *
_settings = None
SessionId = int
WindowId = int
def settings():
global _settings
if "_settings()" not in globals():
_settings = load_settings("sly.sublime-settings")
return _settings
class SlynkSession:
"""
This object stores all the information the plugin will use to connect
and deal with (a single) slynk.
Inspectors, REPLs etc are all stored here
"""
def __init__(self, host, port, window, loop) -> None:
self.slynk = slynk.SlynkClient(host, port)
self.window = window
self.repl_views = {}
self.loop = loop
self.slynk.bind(__aio_loop__=loop,
connect=self.on_connect,
disconnect=self.on_disconnect,
debug_setup=self.on_debug_setup,
debug_activate=self.on_debug_activate,
debug_return=self.on_debug_return,
read_from_minibuffer=self.on_read_from_minibuffer,
y_or_n_p=self.on_y_or_n)
self.inspectors = {}
self.nearest_inspector = None
self.debuggers = {}
self.tracer = None
self.id: SessionId = None
async def connect(self):
slynk = self.slynk
self.window.status_message(f"Attempting to connect to Slynk at {slynk.host}:{slynk.port} [≈ 1 min]")
await slynk.connect(loop)
await slynk.prepare(f"{packages_path()}/{__name__.split('.')[0]}")
set_timeout(
lambda: self.window.run_command("sly_create_repl"),
10)
#await slynk.closed()
def on_connect(self, *args):
self.window.status_message("SLYNK connexion established")
print("SLYNK connexion established")
def on_disconnect(self, *args):
self.window.status_message("SLYNK connexion lost")
print("SLYNK connexion lost")
async def on_debug_setup(self, data):
if data.thread in self.debuggers:
debugger = self.debuggers[data.thread]
else:
debugger = Debugger(self.window, self, data.thread)
debugger.update(data)
(action, index) = await debugger.show(self, data)
if action == "restart":
await self.slynk.debug_invoke_restart(data.level, index, data.thread)
elif action == "restart-frame":
await self.slynk.debug_restart_frame(index, data.thread)
#(action, index)
def on_debug_activate(self, data):
debugger = self.debuggers[data.thread]
if not debugger.is_open:
debugger.reöpen(self.window)
debugger.focus()
def on_debug_return(self, data):
self.debuggers[data.thread].returned(data)
async def on_read_from_minibuffer(self, prompt, initial_value, future):
initial_value = initial_value if initial_value else ""
output = await util.show_input_panel(self.loop, self.window, prompt, initial_value)
future.set_result(output)
async def on_y_or_n(self, prompt, future):
value = yes_no_cancel_dialog(prompt)
if value == DIALOG_CANCEL:
future.cancel()
else:
future.set_result(True if value == DIALOG_YES else False)
class ConnectSlynkCommand(sublime_plugin.WindowCommand):
def run(self, **kwargs): # implement run method
global loop
if not loop.is_running():
threading.Thread(target=loop.run_forever).start()
asyncio.run_coroutine_threadsafe(
self.async_run(**kwargs),
loop)
async def async_run(self, host=None, port=None, prompt_connexion=None):
defaults = settings().get("default_connexion_parameters")
host = defaults["hostname"] if host is None else host
port = defaults["port"] if port is None else port
if prompt_connexion in ["both", "host", "hostname"] or host is None:
host = await util.show_input_panel(
loop, self.window, "Enter hostname", host)
if prompt_connexion in ["both", "port"] or port is None:
port = await util.show_input_panel(
loop, self.window, "Enter port", str(port))
session = SlynkSession(host, port, self.window, loop)
await session.connect()
sessions.add(session)
sessions.set_by_window(self.window, session)
class Sessions:
"""
Singleton object to store all the currently active sessions.
Designed to allow a natural number of windows to be connected to one session.
"""
def __init__(self, sessions: Dict[SessionId, SlynkSession]={}, window_assignment: Dict[WindowId, Tuple[Window, SlynkSession]]={}):
self.sessions = sessions
self.window_assignment = window_assignment
self.next_uid: SessionId = 0
@property
def list(self):
return list(self.sessions.values())
def add(self, session):
self.sessions[self.next_uid] = session
session.id = self.next_uid
self.next_uid += 1
def remove(self, session):
self.mutated = True
del self.sessions[session.id]
# It is forbidden to modify a dictionary during iteration
copy = self.window_assignment.copy()
for window_id, (window, window_session) in copy.items():
if window_session is session:
del self.window_assignment[window_id]
try:
if view := window.active_view():
view.set_status("slynk", "")
window.status_message("Slynk session disconnected and unassigned")
except e:
print(f"Error with status message: {e}")
def get_by_window_id(self, id: WindowId):
return self.window_assignment[id][1] if id in self.window_assignment else None
# This function also performs a lot of UX work the one above doesn't
# autoset is actually True by default, None means consult user settings.
def get_by_window(self, window, indicate_failure=True, autoset: bool=None):
if autoset is None:
try:
autoset = settings().get("autoset_slynk_connexion")
except e:
autoset = True
id: WindowId = window.id()
if id in self.window_assignment:
return self.window_assignment[id][1]
# The session desired is obvious if only one is there
elif autoset and len(self.sessions) == 1:
default = self.list[0]
self.set_by_window(window, default, False)
window.status_message("Automatically assigned only slynk connexion to window")
return default
else:
if indicate_failure:
window.status_message(
"Slynk not connected" if len(self.sessions) == 0
else "No slynk connexion assigned to window")
return None
def set_by_window(self, window, session, message=True):
self.window_assignment[window.id()] = (window, session)
if message:
window.status_message("Slynk assigned to window")
def window_ids_for_session(self, session) -> List[WindowId]:
return [window_id for window_id, (__, window_session) in self.window_assignment.items()
if window_session == session]
def windows_for_session(self, session) -> List[Window]:
return [window for __, (window, window_session) in self.window_assignment.items()
if window_session == session]
def get_by_id(self, session_id: SessionId) -> SlynkSession:
return self.sessions[session_id]
if "ready" not in globals():
ready = True
print("Preparing stuff for SLY")
sessions = Sessions()
loop = asyncio.new_event_loop()
if settings().get("debug"):
loop.set_debug(True)
logging.basicConfig(level=logging.DEBUG)
else:
sessions_1 = Sessions(sessions.sessions, sessions.window_assignment)
sessions = sessions_1