uproctrace

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#! /usr/bin/env python3
import cairo
import datetime
import gi
import os
import shlex
import sys
import time
gi.require_version('Gdk', '3.0')
gi.require_version('Gtk', '3.0')
from gi.repository import Gdk
from gi.repository import GLib
from gi.repository import Gtk
import uproctrace.processes
def cmdline2str(cmdline: list) -> str:
    """
    Convert command line to string.
    """
    if cmdline is None:
        return "???"
    return ' '.join([shlex.quote(s) for s in cmdline])
def timestamp2str(timestamp: float) -> str:
    """
    Convert a timestamp to a human-reable time string."
    """
    if timestamp is None:
        return "???"
    sec = int(timestamp)
    nsec = int((timestamp - sec) * 1e9)
    time_str = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(sec))
    return time_str + f'.{nsec:09d}'
class UptGui:
    def __init__(self, proto_filename):
        """
        Construct the GUI.
        """
        self.builder = Gtk.Builder()
        script_dir = os.path.dirname(os.path.abspath(__file__))
        self.builder.add_from_file(os.path.join(script_dir, 'upt-gui.glade'))
        self.widProcessesTree = self.builder.get_object('ProcessesTree')
        self.widProcessesView = self.builder.get_object('ProcessesView')
        handlers = {'onDestroy': self.onDestroy}
        self.builder.connect_signals(handlers)
        # open trace file
 
 
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