SolarFM/plugins/vod_thumbnailer/plugin.py

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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
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from plugins.plugin_base import PluginBase
# 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
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class Plugin(PluginBase):
def __init__(self):
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super().__init__()
self.path = os.path.dirname(os.path.realpath(__file__))
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self._GLADE_FILE = f"{self.path}/re_thumbnailer.glade"
self.name = "VOD Thumbnailer" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
# where self.name should not be needed for message comms
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self._thumbnailer_dialog = None
self._thumbnail_preview_img = None
self._scrub_step = None
self._file_name = None
self._file_location = None
self._file_hash = None
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def run(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._scrub_step = self._builder.get_object("scrub_step")
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")
def generate_reference_ui_element(self):
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(f"{self.path}/../../icons/video.png", 16, 16, True)
icon = Gtk.Image.new_from_pixbuf(pixbuf)
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item = Gtk.ImageMenuItem(self.name)
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item.set_image( icon )
item.connect("activate", self._show_thumbnailer_page)
item.set_always_show_image(True)
return item
@threaded
def _show_thumbnailer_page(self, widget=None, eve=None):
self._event_system.emit("get_current_state")
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state = self._fm_state
self._event_message = None
GLib.idle_add(self._process_changes, (state))
def _process_changes(self, state):
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self._fm_state = None
if len(state.selected_files) == 1:
if state.selected_files[0].lower().endswith(state.tab.fvideos):
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self._fm_state = state
self._set_ui_data()
response = self._thumbnailer_dialog.run()
if response in [Gtk.ResponseType.CLOSE, Gtk.ResponseType.DELETE_EVENT]:
self._thumbnailer_dialog.hide()
def _regenerate_thumbnail(self, widget=None, eve=None):
scrub_percent = int(self._scrub_step.get_value())
file = self._file_name.get_text()
dir = self._file_location.get_text()
file_hash = self._file_hash.get_text()
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hash_img_pth = f"{self._fm_state.tab.ABS_THUMBS_PTH}/{file_hash}.jpg"
try:
os.remove(hash_img_pth) if os.path.isfile(hash_img_pth) else ...
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self._fm_state.tab.create_thumbnail(dir, file, f"{scrub_percent}%")
preview_pixbuf = GdkPixbuf.Pixbuf.new_from_file(hash_img_pth)
self._thumbnail_preview_img.set_from_pixbuf(preview_pixbuf)
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img_pixbuf = self._fm_state.tab.create_scaled_image(hash_img_pth)
tree_pth = self._fm_state.icon_grid.get_selected_items()[0]
itr = self._fm_state.store.get_iter(tree_pth)
pixbuff = self._fm_state.store.get(itr, 0)[0]
self._fm_state.store.set(itr, 0, img_pixbuf)
except Exception as e:
print(repr(e))
print("Couldn't regenerate thumbnail!")
def _set_ui_data(self):
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uri = self._fm_state.selected_files[0]
path = self._fm_state.tab.get_current_directory()
parts = uri.split("/")
file_hash = hashlib.sha256(str.encode(uri)).hexdigest()
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hash_img_pth = f"{self._fm_state.tab.ABS_THUMBS_PTH}/{file_hash}.jpg"
preview_pixbuf = GdkPixbuf.Pixbuf.new_from_file(hash_img_pth)
self._thumbnail_preview_img.set_from_pixbuf(preview_pixbuf)
self._file_name.set_text(parts[ len(parts) - 1 ])
self._file_location.set_text(path)
self._file_hash.set_text(file_hash)