SolarFM/plugins/archiver/plugin.py

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2022-10-10 02:56:12 +00:00
# Python imports
import os, threading, subprocess, inspect, shlex
# Lib imports
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
# Application imports
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
class Plugin(PluginBase):
def __init__(self):
super().__init__()
self.path = os.path.dirname(os.path.realpath(__file__))
self._GLADE_FILE = f"{self.path}/archiver.glade"
self.name = "Archiver" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
# where self.name should not be needed for message comms
self._archiver_dialogue = None
self._arc_command_buffer = None
# In compress commands:
# %n: First selected filename/dir to archive
# %N: All selected filenames/dirs to archive, or (with %O) a single filename
# %o: Resulting single archive file
# %O: Resulting archive per source file/directory (use changes %N meaning)
#
# In extract commands:
# %x: Archive file to extract
# %g: Unique extraction target filename with optional subfolder
# %G: Unique extraction target filename, never with subfolder
#
# In list commands:
# %x: Archive to list
#
# Plus standard bash variables are accepted.
self.arc_commands = [ '$(which 7za || echo 7zr) a %o %N',
'zip -r %o %N',
'rar a -r %o %N',
'tar -cvf %o %N',
'tar -cvjf %o %N',
'tar -cvzf %o %N',
'tar -cvJf %o %N',
'gzip -c %N > %O',
'xz -cz %N > %O'
]
def generate_reference_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._archiver_dialogue = self._builder.get_object("archiver_dialogue")
self._arc_command_buffer = self._builder.get_object("arc_command_buffer")
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item = Gtk.ImageMenuItem(self.name)
item.set_image( Gtk.Image(stock=Gtk.STOCK_FLOPPY) )
item.connect("activate", self.show_archiver_dialogue)
item.set_always_show_image(True)
return item
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def run(self):
...
def show_archiver_dialogue(self, widget=None, eve=None):
self._event_system.emit("get_current_state")
state = self._fm_state
self._archiver_dialogue.set_action(Gtk.FileChooserAction.SAVE)
self._archiver_dialogue.set_current_folder(state.tab.get_current_directory())
self._archiver_dialogue.set_current_name("arc.7z")
response = self._archiver_dialogue.run()
if response == Gtk.ResponseType.OK:
save_target = self._archiver_dialogue.get_filename()
self.archive_files(save_target, state)
if (response == Gtk.ResponseType.CANCEL) or (response == Gtk.ResponseType.DELETE_EVENT):
pass
self._archiver_dialogue.hide()
def archive_files(self, save_target, state):
paths = [shlex.quote(p) for p in state.selected_files]
sItr, eItr = self._arc_command_buffer.get_bounds()
pre_command = self._arc_command_buffer.get_text(sItr, eItr, False)
pre_command = pre_command.replace("%o", shlex.quote(save_target))
pre_command = pre_command.replace("%N", ' '.join(paths))
command = f"{state.tab.terminal_app} -e {shlex.quote(pre_command)}"
current_dir = state.tab.get_current_directory()
state.tab.execute(shlex.split(command), start_dir=shlex.quote(current_dir))
def set_arc_buffer_text(self, widget=None, eve=None):
sid = widget.get_active_id()
self.arc_command_buffer.set_text(self.arc_commands[int(sid)])