기타 연계 프로그램

기타 연계 프로그램  
 캡쳐 
 import os
import cv2
import datetime, time
from pathlib import Path

archive_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'archive')

def capture_and_save(im):
 s = im.shape
 # Add a timestamp
 font = cv2.FONT_HERSHEY_SIMPLEX
 bottomLeftCornerOfText = (10,s[0]-10)
 fontScale = 1
 fontColor = (20,20,20)
 lineType = 2

 cv2.putText(im,datetime.datetime.now().isoformat().split(".")[0],bottomLeftCornerOfText,font,fontScale,fontColor, lineType)

 m = 0
 p = Path(archive_path)
 for imp in p.iterdir():
 if imp.suffix == ".png" and imp.stem != "last":
 num = imp.stem.split("_")[1]
 try:
 num = int(num)
 if num>m:
 m = num
 except:
 print("Error reading image number for",str(imp))
 m +=1
 lp = Path(archive_path + "/last.png")
 if lp.exists() and lp.is_file():
 np = Path(archive_path + "/img_{}.png".format(m))
 np.write_bytes(lp.read_bytes())
 cv2.imwrite(archive_path + "/last.png",im)

if __name__=="__main__":
 capture_and_save()
 print("done")
 
 환경 설정  
 
from pathlib import Path

p = Path("logs")
if not p.exists():
 p.mkdir()

dictConfig = {
 'version': 1,
 'disable_existing_loggers': True,
 'formatters': {
 'standard': {
 'format': '%(asctime)s [%(levelname)s] %(name)s:: %(message)s',
 },
 },
 'handlers': {
 'default': {
 'level': 'DEBUG',
 'formatter': 'standard',
 'class': 'logging.StreamHandler',
 'stream': 'ext://sys.stdout',
 },
 'file': {
 'class': 'logging.handlers.RotatingFileHandler',
 'level': 'DEBUG',
 'formatter': 'standard',
 'filename': 'logs/logfile.log',
 'mode': 'a',
 'maxBytes': 5_242_880,
 'backupCount': 3,
 'encoding': 'utf-8',
 },
 },
 'loggers': {
 '__main__': {
 'handlers': ['default','file'],
 'level': 'DEBUG',
 'propagate': False,
 },
 'camera': {
 'handlers': ['default', 'file'],
 'level': 'DEBUG',
 'propagate': False,
 },
 }
}
 
 싱크로나이징  
 import os
import datetime

class Lock_Manager:
	def __init__(self, name):
		self.locks = os.path.dirname(os.path.realpath(__file__)) + "/locks"
		self.name = name + ".lock"
		self.path = os.path.join(self.locks, self.name)

		if not os.path.exists(self.locks):
			os.makedirs(self.locks)

	def set(self):
		if not os.path.exists(self.path):
			print("Setting {} lock".format(self.name))
			timestamp = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")

			with open(self.path, 'w+') as f:
				f.write(timestamp)

	def remove(self):
		if os.path.isfile(self.path):
			os.remove(self.path)

	def get_lock_time(self):
		for filename in os.listdir(self.locks):
			with open(self.locks + "/" + filename) as f:
				return f.read()

		return None
 
 파워정보 조회  
 from vcgencmd import Vcgencmd

vcgm = Vcgencmd()

class PowerStatus(object):
 def __init__(self):
 print("> vcgm.version()=" + vcgm.version())
 
 def getPowerStatus(self):
 output=vcgm.get_throttled()
 print("raw_data=" + output['raw_data'])
 print("binary=" + output['binary'])
 return "raw_data=" + output['raw_data'] + ", binary=" + output['binary']
 
 
 Data Util  
 from datetime import datetime

class Util:
	def log(source, msg):
		print(datetime.now().strftime("%Y%m%d_%H%M%S") + " | " + source + " | " + str(msg))