121 lines
4.3 KiB
Python
121 lines
4.3 KiB
Python
import logging
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import logging.handlers
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import os
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import subprocess
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import sys
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import traceback
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from queue import SimpleQueue as Queue
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import ctypes
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import struct
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dpms_loaded = False
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try:
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ctypes.cdll.LoadLibrary('libXext.so.6')
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libXext = ctypes.CDLL('libXext.so.6')
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class DPMS_State:
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Fail = -1
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On = 0
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Standby = 1
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Suspend = 2
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Off = 3
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def get_DPMS_state(display_name_in_byte_string=b':0'):
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state = DPMS_State.Fail
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if not isinstance(display_name_in_byte_string, bytes):
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raise TypeError
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display_name = ctypes.c_char_p()
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display_name.value = display_name_in_byte_string
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libXext.XOpenDisplay.restype = ctypes.c_void_p
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display = ctypes.c_void_p(libXext.XOpenDisplay(display_name))
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dummy1_i_p = ctypes.create_string_buffer(8)
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dummy2_i_p = ctypes.create_string_buffer(8)
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if display.value:
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if libXext.DPMSQueryExtension(display, dummy1_i_p, dummy2_i_p)\
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and libXext.DPMSCapable(display):
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onoff_p = ctypes.create_string_buffer(1)
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state_p = ctypes.create_string_buffer(2)
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if libXext.DPMSInfo(display, state_p, onoff_p):
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onoff = struct.unpack('B', onoff_p.raw)[0]
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if onoff:
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state = struct.unpack('H', state_p.raw)[0]
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libXext.XCloseDisplay(display)
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return state
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dpms_loaded = True
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except:
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pass
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def get_software_version():
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prog = ('git', '-C', os.path.dirname(__file__), 'describe', '--always',
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'--tags', '--long', '--dirty')
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try:
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process = subprocess.Popen(prog, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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ver, err = process.communicate()
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retcode = process.wait()
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if retcode == 0:
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version = ver.strip()
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if isinstance(version, bytes):
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version = version.decode()
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return version
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else:
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logging.debug(f"Error getting git version: {err}")
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except OSError:
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logging.exception("Error runing git describe")
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return "?"
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# Timed rotating file handler based on Klipper and Moonraker's implementation
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class KlipperScreenLoggingHandler(logging.handlers.TimedRotatingFileHandler):
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def __init__(self, software_version, filename, **kwargs):
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super(KlipperScreenLoggingHandler, self).__init__(filename, **kwargs)
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self.rollover_info = {
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'header': f"{'-'*20}KlipperScreen Log Start{'-'*20}",
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'version': f"Git Version: {software_version}",
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}
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lines = [line for line in self.rollover_info.values() if line]
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if self.stream is not None:
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self.stream.write("\n".join(lines) + "\n")
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def set_rollover_info(self, name, item):
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self.rollover_info[name] = item
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def doRollover(self):
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super(KlipperScreenLoggingHandler, self).doRollover()
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lines = [line for line in self.rollover_info.values() if line]
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if self.stream is not None:
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self.stream.write("\n".join(lines) + "\n")
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# Logging based on Arksine's logging setup
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def setup_logging(log_file, software_version):
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root_logger = logging.getLogger()
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queue = Queue()
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queue_handler = logging.handlers.QueueHandler(queue)
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root_logger.addHandler(queue_handler)
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root_logger.setLevel(logging.DEBUG)
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stdout_hdlr = logging.StreamHandler(sys.stdout)
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stdout_fmt = logging.Formatter(
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'%(asctime)s [%(filename)s:%(funcName)s()] - %(message)s')
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stdout_hdlr.setFormatter(stdout_fmt)
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fh = None
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if log_file:
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fh = KlipperScreenLoggingHandler(software_version, log_file, when='midnight', backupCount=2)
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formatter = logging.Formatter(
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'%(asctime)s [%(filename)s:%(funcName)s()] - %(message)s')
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fh.setFormatter(formatter)
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listener = logging.handlers.QueueListener(
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queue, fh, stdout_hdlr)
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else:
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listener = logging.handlers.QueueListener(
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queue, stdout_hdlr)
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listener.start()
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def logging_exception_handler(type, value, tb):
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logging.exception("Uncaught exception %s: %s\nTraceback: %s" % (type, value, "\n".join(traceback.format_tb(tb))))
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sys.excepthook = logging_exception_handler
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return listener, fh
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