#!/usr/bin/env python
# -*- coding: utf-8 -*-
import cv2
import os
import random
# import xml.etree.ElementTree as xml
__location__ = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
def _kwargs(kwargs, key, value):
if key not in kwargs.keys():
kwargs[key] = value
[docs]def get(et, category, text=True, singularize=True):
temp = [(_object.text if text else _object) for _object in et.findall(category)]
if len(temp) == 1 and singularize:
temp = temp[0]
return temp
[docs]def histogram(_list):
retDict = {}
for value in _list:
if value in retDict:
retDict[value] += 1
else:
retDict[value] = 1
return retDict
[docs]def openImage(filename, color=False, alpha=False):
if not os.path.exists(filename):
return None
if not color:
mode = 0 # Greyscale by default
elif not alpha:
mode = 1 # Color without alpha channel
else:
mode = -1 # Color with alpha channel
return cv2.imread(filename, mode)
[docs]def randInt(lower, upper):
return random.randint(lower, upper)
[docs]def randColor():
return [randInt(50, 205), randInt(50, 205), randInt(50, 205)]