270 lines
9.2 KiB
Python
270 lines
9.2 KiB
Python
# Python imports
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import os, multiprocessing, threading, subprocess, inspect, time, json
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from multiprocessing import Manager, Process
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# Lib imports
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk, GLib, GObject
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# Application imports
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# NOTE: Threads WILL NOT die with parent's destruction.
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def threaded(fn):
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def wrapper(*args, **kwargs):
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threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=False).start()
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return wrapper
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# NOTE: Threads WILL die with parent's destruction.
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def daemon_threaded(fn):
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def wrapper(*args, **kwargs):
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threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
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return wrapper
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class FilePreviewWidget(Gtk.LinkButton):
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def __init__(self, path, file):
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super(FilePreviewWidget, self).__init__()
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self.set_label(file)
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self.set_uri(f"file://{path}")
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self.show_all()
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class GrepPreviewWidget(Gtk.Box):
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def __init__(self, path, sub_keys, data):
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super(GrepPreviewWidget, self).__init__()
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self.set_orientation(Gtk.Orientation.VERTICAL)
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self.line_color = "#e0cc64"
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_label = '/'.join( path.split("/")[-3:] )
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title = Gtk.LinkButton.new_with_label(uri=f"file://{path}", label=_label)
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self.add(title)
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for key in sub_keys:
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line_num = key
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text = data[key]
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box = Gtk.Box()
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number_label = Gtk.Label()
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text_view = Gtk.Label(label=text[:-1])
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label_text = f"<span foreground='{self.line_color}'>{line_num}</span>"
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number_label.set_markup(label_text)
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number_label.set_margin_left(15)
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number_label.set_margin_right(5)
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number_label.set_margin_top(5)
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number_label.set_margin_bottom(5)
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text_view.set_margin_top(5)
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text_view.set_margin_bottom(5)
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text_view.set_line_wrap(True)
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box.add(number_label)
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box.add(text_view)
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self.add(box)
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self.show_all()
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manager = Manager()
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grep_result_set = manager.dict()
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file_result_set = manager.list()
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class Plugin:
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def __init__(self):
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self.path = os.path.dirname(os.path.realpath(__file__))
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self.name = "Search" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
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# where self.name should not be needed for message comms
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self._GLADE_FILE = f"{self.path}/search_dialog.glade"
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self._builder = None
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self._search_dialog = None
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self._event_system = None
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self._event_sleep_time = .5
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self._event_message = None
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self._active_path = None
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self._file_list = None
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self._grep_list = None
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self._grep_proc = None
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self._list_proc = None
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def get_ui_element(self):
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self._builder = Gtk.Builder()
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self._builder.add_from_file(self._GLADE_FILE)
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classes = [self]
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handlers = {}
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for c in classes:
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methods = None
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try:
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methods = inspect.getmembers(c, predicate=inspect.ismethod)
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handlers.update(methods)
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except Exception as e:
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print(repr(e))
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self._builder.connect_signals(handlers)
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self._search_dialog = self._builder.get_object("search_dialog")
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self._grep_list = self._builder.get_object("grep_list")
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self._file_list = self._builder.get_object("file_list")
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GObject.signal_new("update-file-ui-signal", self._search_dialog, GObject.SIGNAL_RUN_LAST, GObject.TYPE_PYOBJECT, (GObject.TYPE_PYOBJECT,))
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self._search_dialog.connect("update-file-ui-signal", self._load_file_ui)
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GObject.signal_new("update-grep-ui-signal", self._search_dialog, GObject.SIGNAL_RUN_LAST, GObject.TYPE_PYOBJECT, (GObject.TYPE_PYOBJECT,))
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self._search_dialog.connect("update-grep-ui-signal", self._load_grep_ui)
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button = Gtk.Button(label=self.name)
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button.connect("button-release-event", self._show_grep_list_page)
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return button
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def set_fm_event_system(self, fm_event_system):
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self._event_system = fm_event_system
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def run(self):
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self._module_event_observer()
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@daemon_threaded
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def _show_grep_list_page(self, widget=None, eve=None):
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self._event_system.push_gui_event([self.name, "get_current_state", ()])
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self.wait_for_fm_message()
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state = self._event_message
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self._event_message = None
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GLib.idle_add(self._process_queries, (state))
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def _process_queries(self, state):
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self._active_path = state.tab.get_current_directory()
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response = self._search_dialog.run()
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self._search_dialog.hide()
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def _run_find_file_query(self, widget=None, eve=None):
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if self._list_proc:
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self._list_proc.terminate()
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self._list_proc = None
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time.sleep(.2)
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del file_result_set[:]
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self.clear_children(self._file_list)
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query = widget.get_text()
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if query:
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self._list_proc = multiprocessing.Process(self._do_list_search(self._active_path, query))
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self._list_proc.start()
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def _do_list_search(self, path, query):
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self._file_traverse_path(path, query)
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for target, file in file_result_set:
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widget = FilePreviewWidget(target, file)
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self._search_dialog.emit("update-file-ui-signal", (widget))
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def _load_file_ui(self, parent=None, widget=None):
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self._file_list.add(widget)
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def _file_traverse_path(self, path, query):
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try:
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for file in os.listdir(path):
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target = os.path.join(path, file)
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if os.path.isdir(target):
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self._file_traverse_path(target, query)
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else:
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if query.lower() in file.lower():
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file_result_set.append([target, file])
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except Exception as e:
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if debug:
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print("Couldn't traverse to path. Might be permissions related...")
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def _run_grep_query(self, widget=None, eve=None):
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if self._grep_proc:
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self._grep_proc.terminate()
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self._grep_proc = None
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time.sleep(.2)
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grep_result_set.clear()
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self.clear_children(self._grep_list)
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query = widget.get_text()
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if query:
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self._grep_proc = multiprocessing.Process(self._do_grep_search(self._active_path, query))
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self._grep_proc.start()
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def _do_grep_search(self, path, query):
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self._grep_traverse_path(path, query)
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keys = grep_result_set.keys()
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for key in keys:
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sub_keys = grep_result_set[key].keys()
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widget = GrepPreviewWidget(key, sub_keys, grep_result_set[key])
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self._search_dialog.emit("update-grep-ui-signal", (widget))
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def _load_grep_ui(self, parent=None, widget=None):
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self._grep_list.add(widget)
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def _grep_traverse_path(self, path, query):
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try:
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for file in os.listdir(path):
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target = os.path.join(path, file)
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if os.path.isdir(target):
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self._grep_traverse_path(target, query)
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else:
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self._search_for_string(target, query)
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except Exception as e:
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if debug:
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print("Couldn't traverse to path. Might be permissions related...")
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def _search_for_string(self, file, query):
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try:
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with open(file, 'r') as fp:
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for i, line in enumerate(fp):
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if query in line:
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if f"{file}" in grep_result_set.keys():
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grep_result_set[f"{file}"][f"{i+1}"] = line
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else:
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grep_result_set[f"{file}"] = {}
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grep_result_set[f"{file}"] = {f"{i+1}": line}
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except Exception as e:
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if debug:
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print("Couldn't read file. Might be binary or other cause...")
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def clear_children(self, widget: type) -> None:
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''' Clear children of a gtk widget. '''
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for child in widget.get_children():
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widget.remove(child)
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def wait_for_fm_message(self):
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while not self._event_message:
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pass
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@daemon_threaded
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def _module_event_observer(self):
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while True:
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time.sleep(self._event_sleep_time)
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event = self._event_system.read_module_event()
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if event:
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try:
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if event[0] == self.name:
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target_id, method_target, data = self._event_system.consume_module_event()
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if not method_target:
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self._event_message = data
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else:
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method = getattr(self.__class__, f"{method_target}")
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if data:
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data = method(*(self, *data))
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else:
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method(*(self,))
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except Exception as e:
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print(repr(e))
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