Delete StackFlow_v3.py

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#!/usr/bin/env python
# coding: utf-8
################################################################################
# A) Import the librairies needed to execute the script
################################################################################
#Activate pinout to control the LEDs and the RELAY
from gpiozero import LED
#Allow to access the I2C BUS from the Raspberry Pi
import smbus
#Time librairy in order to sleep when need
from time import sleep
#Picamera library to take images
from picamera import PiCamera
#Enable calculation of remaining duration and datetime
from datetime import datetime, timedelta
#Enable creation of new folders
import os
from adafruit_motor import stepper
from adafruit_motorkit import MotorKit
from time import sleep
kit = MotorKit()
pump_stepper = kit.stepper1
pump_stepper.release()
################################################################################
# C) Configuration file
################################################################################
camera = PiCamera()
camera.resolution = (3280, 2464)
camera.iso = 60
sleep(3)
camera.shutter_speed = 300
camera.exposure_mode = 'off'
g = camera.awb_gains
camera.awb_mode = 'off'
camera.awb_gains = g
nb_frame=2000
pump_stepper.release()
################################################################################
# E) Define simple functions making the whole sequence
###
################################################################################
print("###############")
print("IMAGING")
print("###############")
#Inform on the statut of the operation
print("Imaging : engaged")
#start the preview only during the acquisition
camera.start_preview(fullscreen=False, window = (160, 0, 640, 480))
#get the actual date
date_now = datetime.now().strftime("%m_%d_%Y")
day_now="/home/pi/Desktop/PlanktonScope_acquisition/"+str(date_now)
#create a directory if the directory doesn't exist yet
if not os.path.exists(day_now):
os.makedirs(day_now)
#get the actual date
hour_now = datetime.now().strftime("%H")
hour="/home/pi/Desktop/PlanktonScope_acquisition/"+str(date_now)+"/"+str(hour_now)
#create a directory if the directory doesn't exist yet
if not os.path.exists(hour):
os.makedirs(hour)
#allow the camera to warm up
for i in range(200):
pump_stepper.onestep(direction=stepper.BACKWARD, style=stepper.SINGLE)
sleep(0.01)
for frame in range(nb_frame):
#get the time now
time = datetime.now().strftime("%M_%S_%f")
#create a filename from the date and the time
filename="/home/pi/Desktop/PlanktonScope_acquisition/"+str(date_now)+"/"+str(hour_now)+"/"+str(time)+".jpg"
#capture an image with the specified filename
camera.capture(filename)
#wait to complete the imaging process and print info on the terminal
print("Imaging : "+str(frame)+"/"+str(nb_frame))
for i in range(10):
pump_stepper.onestep(direction=stepper.BACKWARD, style=stepper.SINGLE)
sleep(0.01)
sleep(0.5)
#stop the preview during the rest of the sequence
camera.stop_preview()
pump_stepper.release()
#Inform on the statut of the operation
print("Imaging : done")
################################################################################
#################################################
# F) Execute the sequence
################################################################################