Global threading decorators; Endpoint registry creation

This commit is contained in:
itdominator 2022-08-09 20:10:25 -05:00
parent 3f5664da5b
commit b058dc3667
9 changed files with 444 additions and 34 deletions

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"""
Pligin Module
"""

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# Python imports
import os, threading, subprocess, time, inspect, hashlib
from datetime import datetime
# Gtk imports
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('GdkPixbuf', '2.0')
from gi.repository import Gtk, GLib, Gio, GdkPixbuf
# Application imports
# NOTE: Threads WILL NOT die with parent's destruction.
def threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=False).start()
return wrapper
# NOTE: Threads WILL die with parent's destruction.
def daemon_threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
return wrapper
class Manifest:
path: str = os.path.dirname(os.path.realpath(__file__))
name: str = "VOD Thumbnailer"
author: str = "ITDominator"
version: str = "0.0.1"
support: str = ""
requests: {} = {
'ui_target': "context_menu",
'pass_fm_events': "true"
}
class Plugin(Manifest):
def __init__(self):
self._GLADE_FILE = f"{self.path}/re_thumbnailer.glade"
self._builder = None
self._thumbnailer_dialog = None
self._thumbnail_preview_img = None
self._file_name = None
self._file_location = None
self._file_hash = None
self._state = None
self._event_system = None
self._event_sleep_time = .5
self._event_message = None
def get_ui_element(self):
self._builder = Gtk.Builder()
self._builder.add_from_file(self._GLADE_FILE)
classes = [self]
handlers = {}
for c in classes:
methods = None
try:
methods = inspect.getmembers(c, predicate=inspect.ismethod)
handlers.update(methods)
except Exception as e:
print(repr(e))
self._builder.connect_signals(handlers)
self._thumbnailer_dialog = self._builder.get_object("thumbnailer_dialog")
self._file_name = self._builder.get_object("file_name")
self._file_location = self._builder.get_object("file_location")
self._thumbnail_preview_img = self._builder.get_object("thumbnail_preview_img")
self._file_hash = self._builder.get_object("file_hash")
button = Gtk.Button(label=self.name)
button.connect("button-release-event", self._show_thumbnailer_page)
return button
def set_fm_event_system(self, fm_event_system):
self._event_system = fm_event_system
def run(self):
self._module_event_observer()
@threaded
def _show_thumbnailer_page(self, widget=None, eve=None):
self._event_system.push_gui_event([self.name, "get_current_state", ()])
self.wait_for_fm_message()
state = self._event_message
self._event_message = None
GLib.idle_add(self._process_changes, (state))
def _process_changes(self, state):
self._state = None
if len(state.selected_files) == 1:
if state.selected_files[0].lower().endswith(state.tab.fvideos):
self._state = state
self._set_ui_data()
response = self._thumbnailer_dialog.run()
if response in [Gtk.ResponseType.CANCEL, Gtk.ResponseType.DELETE_EVENT]:
self._thumbnailer_dialog.hide()
def _regenerate_thumbnail(self, widget=None, eve=None):
print("Regenerating thumbnail...")
file = self._file_name.get_text()
dir = self._file_location.get_text()
file_hash = self._file_hash.get_text()
hash_img_pth = f"{self._state.tab.ABS_THUMBS_PTH}/{file_hash}.jpg"
try:
if os.path.isfile(hash_img_pth):
os.remove(hash_img_pth)
img_pixbuf = self._state.tab.create_icon(dir, file)
self._thumbnail_preview_img.set_from_pixbuf(img_pixbuf)
except Exception as e:
print("Couldn't regenerate thumbnail!")
def _use_selected_thumbnail(self, widget=None, eve=None):
print("_use_selected_thumbnail stub...")
def _set_ui_data(self):
uri = self._state.selected_files[0]
path = self._state.tab.get_current_directory()
parts = uri.split("/")
file_hash = hashlib.sha256(str.encode(uri)).hexdigest()
hash_img_pth = f"{self._state.tab.ABS_THUMBS_PTH}/{file_hash}.jpg"
img_pixbuf = GdkPixbuf.Pixbuf.new_from_file(hash_img_pth)
self._thumbnail_preview_img.set_from_pixbuf(img_pixbuf)
self._file_name.set_text(parts[ len(parts) - 1 ])
self._file_location.set_text(path)
self._file_hash.set_text(file_hash)
def wait_for_fm_message(self):
while not self._event_message:
pass
@daemon_threaded
def _module_event_observer(self):
while True:
time.sleep(self._event_sleep_time)
event = self._event_system.read_module_event()
if event:
try:
if event[0] == self.name:
target_id, method_target, data = self._event_system.consume_module_event()
if not method_target:
self._event_message = data
else:
method = getattr(self.__class__, f"{method_target}")
if data:
data = method(*(self, *data))
else:
method(*(self,))
except Exception as e:
print(repr(e))

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<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.38.2 -->
<interface>
<requires lib="gtk+" version="3.16"/>
<object class="GtkDialog" id="thumbnailer_dialog">
<property name="can-focus">False</property>
<property name="border-width">6</property>
<property name="title" translatable="yes">VOD Thumbnailer</property>
<property name="modal">True</property>
<property name="window-position">center-on-parent</property>
<property name="default-width">420</property>
<property name="destroy-with-parent">True</property>
<property name="type-hint">dialog</property>
<property name="skip-taskbar-hint">True</property>
<property name="skip-pager-hint">True</property>
<property name="gravity">center</property>
<child internal-child="vbox">
<object class="GtkBox" id="dialog_vbox">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="spacing">12</property>
<child internal-child="action_area">
<object class="GtkButtonBox" id="dialog_action_area">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="layout-style">end</property>
<child>
<object class="GtkButton" id="cancel_button">
<property name="label">gtk-cancel</property>
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="can-default">True</property>
<property name="receives-default">False</property>
<property name="use-stock">True</property>
</object>
<packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="pack-type">end</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkBox">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="orientation">vertical</property>
<child>
<object class="GtkImage" id="thumbnail_preview_img">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="stock">gtk-missing-image</property>
<property name="icon_size">6</property>
</object>
<packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<placeholder/>
</child>
<child>
<object class="GtkTable" id="general_table">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="border-width">4</property>
<property name="n-rows">4</property>
<property name="n-columns">2</property>
<property name="column-spacing">12</property>
<property name="row-spacing">6</property>
<child>
<object class="GtkLabel">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="label" translatable="yes">&lt;b&gt;File _Name:&lt;/b&gt;</property>
<property name="use-markup">True</property>
<property name="use-underline">True</property>
<property name="mnemonic-widget">file_name</property>
<property name="xalign">0</property>
</object>
<packing>
<property name="x-options">GTK_FILL</property>
<property name="y-options"/>
</packing>
</child>
<child>
<object class="GtkEntry" id="file_name">
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="editable">False</property>
</object>
<packing>
<property name="left-attach">1</property>
<property name="right-attach">2</property>
<property name="y-options"/>
</packing>
</child>
<child>
<object class="GtkLabel">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="label" translatable="yes">&lt;b&gt;_Location:&lt;/b&gt;</property>
<property name="use-markup">True</property>
<property name="use-underline">True</property>
<property name="mnemonic-widget">file_location</property>
<property name="xalign">0</property>
</object>
<packing>
<property name="top-attach">1</property>
<property name="bottom-attach">2</property>
<property name="x-options">GTK_FILL</property>
<property name="y-options"/>
</packing>
</child>
<child>
<object class="GtkEntry" id="file_location">
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="editable">False</property>
</object>
<packing>
<property name="left-attach">1</property>
<property name="right-attach">2</property>
<property name="top-attach">1</property>
<property name="bottom-attach">2</property>
<property name="x-options">GTK_FILL</property>
<property name="y-options"/>
</packing>
</child>
<child>
<object class="GtkButton">
<property name="label" translatable="yes">Regenerate</property>
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="receives-default">True</property>
<signal name="released" handler="_regenerate_thumbnail" swapped="no"/>
</object>
<packing>
<property name="left-attach">1</property>
<property name="right-attach">2</property>
<property name="top-attach">3</property>
<property name="bottom-attach">4</property>
</packing>
</child>
<child>
<object class="GtkButton">
<property name="label" translatable="yes">Use Selected</property>
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="receives-default">True</property>
<signal name="released" handler="_use_selected_thumbnail" swapped="no"/>
</object>
<packing>
<property name="top-attach">3</property>
<property name="bottom-attach">4</property>
</packing>
</child>
<child>
<object class="GtkLabel" id="hash">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="label" translatable="yes">&lt;b&gt;_Thumbnail Hash:&lt;/b&gt;</property>
<property name="use-markup">True</property>
<property name="use-underline">True</property>
<property name="mnemonic-widget">file_location</property>
<property name="xalign">0</property>
</object>
<packing>
<property name="top-attach">2</property>
<property name="bottom-attach">3</property>
<property name="x-options">GTK_FILL</property>
<property name="y-options"/>
</packing>
</child>
<child>
<object class="GtkEntry" id="file_hash">
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="editable">False</property>
</object>
<packing>
<property name="left-attach">1</property>
<property name="right-attach">2</property>
<property name="top-attach">2</property>
<property name="bottom-attach">3</property>
<property name="x-options">GTK_FILL</property>
<property name="y-options"/>
</packing>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">2</property>
</packing>
</child>
</object>
<packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="position">1</property>
</packing>
</child>
</object>
</child>
<action-widgets>
<action-widget response="-6">cancel_button</action-widget>
</action-widgets>
</object>
</interface>

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@ -1,5 +1,5 @@
# Python imports
import builtins
import builtins, threading
# Lib imports
@ -7,6 +7,21 @@ import builtins
from utils.ipc_server import IPCServer
# NOTE: Threads will not die with parent's destruction
def threaded_wrapper(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=False).start()
return wrapper
# NOTE: Insure threads die with parent's destruction
def daemon_threaded_wrapper(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
return wrapper
class EventSystem(IPCServer):
@ -65,10 +80,32 @@ class EventSystem(IPCServer):
class EndpointRegistry():
def __init__(self):
self._endpoints = {}
def register(self, rule, **options):
def decorator(f):
_endpoint = options.pop("endpoint", None)
self._endpoints[rule] = f
return f
return decorator
def get_endpoints(self):
return self._endpoints
# NOTE: Just reminding myself we can add to builtins two different ways...
# __builtins__.update({"event_system": Builtins()})
builtins.app_name = "SolarFM"
builtins.event_system = EventSystem()
builtins.endpoint_registry = EndpointRegistry()
builtins.threaded = threaded_wrapper
builtins.daemon_threaded = daemon_threaded_wrapper
builtins.event_sleep_time = 0.05
builtins.trace_debug = False
builtins.debug = False
builtins.app_settings = None

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@ -4,9 +4,9 @@ import os, inspect, time
# Lib imports
# Application imports
from __builtins__ import EventSystem
from utils.settings import Settings
from core.controller import Controller
from __builtins__ import EventSystem

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@ -1,5 +1,5 @@
# Python imports
import os, gc, threading, time
import os, gc, time
# Lib imports
import gi
@ -14,19 +14,6 @@ from .signals.keyboard_signals_mixin import KeyboardSignalsMixin
from .controller_data import Controller_Data
# NOTE: Threads will not die with parent's destruction
def threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=False).start()
return wrapper
# NOTE: Insure threads die with parent's destruction
def daemon_threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
return wrapper
class Controller(UIMixin, KeyboardSignalsMixin, IPCSignalsMixin, ExceptionHookMixin, Controller_Data):
@ -177,23 +164,28 @@ class Controller(UIMixin, KeyboardSignalsMixin, IPCSignalsMixin, ExceptionHookMi
@endpoint_registry.register(rule="go_home")
def go_home(self, widget=None, eve=None):
self.builder.get_object("go_home").released()
@endpoint_registry.register(rule="refresh_tab")
def refresh_tab(self, widget=None, eve=None):
self.builder.get_object("refresh_tab").released()
@endpoint_registry.register(rule="go_up")
def go_up(self, widget=None, eve=None):
self.builder.get_object("go_up").released()
@endpoint_registry.register(rule="grab_focus_path_entry")
def grab_focus_path_entry(self, widget=None, eve=None):
self.builder.get_object("path_entry").grab_focus()
@endpoint_registry.register(rule="tggl_top_main_menubar")
def tggl_top_main_menubar(self, widget=None, eve=None):
top_main_menubar = self.builder.get_object("top_main_menubar")
top_main_menubar.hide() if top_main_menubar.is_visible() else top_main_menubar.show()
@endpoint_registry.register(rule="open_terminal")
def open_terminal(self, widget=None, eve=None):
wid, tid = self.fm_controller.get_active_wid_and_tid()
tab = self.get_fm_window(wid).get_tab_by_id(tid)

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@ -1,5 +1,5 @@
# Python imports
import traceback, threading, time
import traceback, time
# Lib imports
import gi
@ -9,10 +9,6 @@ from gi.repository import Gtk, GLib
# Application imports
def threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
return wrapper
class ExceptionHookMixin:

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@ -1,5 +1,5 @@
# Python imports
import os, threading, subprocess, time
import os
# Lib imports
import gi
@ -11,12 +11,6 @@ from gi.repository import Gtk, Gdk, GLib, Gio, GdkPixbuf
# Application imports
def threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
return wrapper
# NOTE: Consider trying to use Gtk.TreeView with css that turns it into a grid...

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@ -1,5 +1,5 @@
# Python imports
import os, time, threading, shlex
import os, time, shlex
# Lib imports
import gi
@ -9,10 +9,6 @@ from gi.repository import Gtk, GObject, GLib, Gio
# Application imports
def threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
return wrapper
class WidgetFileActionMixin: