def load_env_var(self):
"""Read input parameters from JSON in environment variable."""
self.parameters = ENV.load(self.env_var_name)
if not isinstance(self.parameters, dict):
self.load_defaults_for_env_var()
message = "Warning: Environment variable parameters load failed."
else:
self._add_missing()
message = ""
return message
def load_calibration_data_from_env(self):
"""Load calibration parameters from environment variable."""
self.calibration_params = ENV.load(self.env_var_name)
if self.calibration_params is None:
raise ValueError("ENV load failed.")
#!/usr/bin/env python
"""Plant Detection Image Capture.
For Plant Detection.
"""
import sys
import os
from time import sleep
from subprocess import call
import cv2
from PD import ENV
CAMERA = ENV.load('camera', get_json=False)
if CAMERA is None:
CAMERA = 'USB' # default camera
else:
if 'RPI' in CAMERA:
CAMERA = 'RPI' # Raspberry Pi Camera
else:
CAMERA = 'USB'
class Capture(object):
"""Capture image for Plant Detection."""
def __init__(self):
"""Set initial attributes."""
self.image = None
self.ret = None
self.camera_port = None
self.image_captured = False
self.silent = False