def test_qrcode_is_last_page(self):
self.read.nrOfBoxesPerLine = 2
self.read.maxNrOfLinesPerPage = 2
self.read.nrOfSymbols = 5
self.read.nrOfLinesInTemplate = math.ceil(self.read.nrOfSymbols/(self.read.maxNrOfLinesPerPage))
qr_one = QrCode(5,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
self.assertTrue(qr_one.is_last_page())
def test_qrcode_get_nr_of_lines_in_last_pageV3(self):
self.read.nrOfBoxesPerLine = 2
self.read.maxNrOfLinesPerPage = 2
self.read.nrOfSymbols = 49
self.read.nrOfLinesInTemplate = math.ceil(self.read.nrOfSymbols/(self.read.maxNrOfLinesPerPage))
qr_one = QrCode(49,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
result = qr_one.get_nr_of_lines_in_last_page()
expected = 1
self.assertEqual(expected,result)
def test_qr_in_each_row_last_page(self):
self.read.nrOfBoxesPerLine = 9
self.read.maxNrOfLinesPerPage = 3
self.read.nrOfSymbols = 53
self.read.nrOfLinesInTemplate = math.ceil(self.read.nrOfSymbols/(self.read.maxNrOfLinesPerPage))
qr_one = QrCode(28,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_two = QrCode(37,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_three = QrCode(52,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qrcodes = [qr_one,qr_two,qr_three]
self.assertTrue(self.read.isQrcodeOnEachRow(qrcodes))
def test_not_qr_in_each_row(self):
self.read.nrOfBoxesPerLine = 9
self.read.maxNrOfLinesPerPage = 3
self.read.nrOfSymbols = 100
self.read.nrOfLinesInTemplate = math.ceil(self.read.nrOfSymbols/(self.read.maxNrOfLinesPerPage))
qr_one = QrCode(2,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_two = QrCode(18,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
#qr_three = QrCode(23,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qrcodes = [qr_one,qr_two]
self.assertFalse(self.read.isQrcodeOnEachRow(qrcodes))
def test_has_quarter_spacing_true(self):
self.read.nrOfBoxesPerLine = 9
self.read.maxNrOfLinesPerPage = 3
self.read.nrOfSymbols = 100
self.read.nrOfLinesInTemplate = math.ceil(self.read.nrOfSymbols/(self.read.maxNrOfLinesPerPage))
qr_one = QrCode(3,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_two = QrCode(5,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_three = QrCode(7,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qrcodes = [qr_one,qr_two,qr_three]
self.assertTrue(self.read.has_quarter_spacing(qrcodes))
def test_identify_unknown_qrcodes_in_row_next_page(self):
self.read.nrOfBoxesPerLine = 9
self.read.maxNrOfLinesPerPage = 3
self.read.nrOfSymbols = 45
self.read.nrOfLinesInTemplate = math.ceil(self.read.nrOfSymbols/(self.read.maxNrOfLinesPerPage))
qr_one = QrCode(38,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_two = QrCode(43,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qrcodes = [qr_one,qr_two]
result = self.read.identify_unknown_qrcodes_in_row(2,qrcodes)
expected = [37,39,40,41,42,44,45]
self.assertEqual(expected,result)
def test_identify_unknown_qrcodes_in_row(self):
self.read.nrOfBoxesPerLine = 9
self.read.maxNrOfLinesPerPage = 3
self.read.nrOfSymbols = 100
self.read.nrOfLinesInTemplate = math.ceil(self.read.nrOfSymbols/(self.read.maxNrOfLinesPerPage))
qr_one = QrCode(3,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_two = QrCode(5,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_three = QrCode(7,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qrcodes = [qr_one,qr_two,qr_three]
result = self.read.identify_unknown_qrcodes_in_row(1,qrcodes)
expected = [1,2,4,6,8,9]
self.assertEqual(expected,result)
def test_avg_qr_width_per_row(self):
self.read.nrOfBoxesPerLine = 9
self.read.maxNrOfLinesPerPage = 3
self.read.nrOfSymbols = 100
self.read.nrOfLinesInTemplate = math.ceil(self.read.nrOfSymbols/(self.read.maxNrOfLinesPerPage))
self.read.m = 100
width_one = 5
width_two = 10
width_three = 20
qr_one = QrCode(3,1,2,width_one,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_two = QrCode(5,1,2,width_two,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_three = QrCode(7,1,2,width_three,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qrcodes = [qr_one,qr_two,qr_three]
self.assertEqual(int(35/3),self.read.avg_qr_width_per_row(qrcodes))
self.assertNotEqual(int(32/3),self.read.avg_qr_width_per_row(qrcodes))
def test_most_left_colum(self):
self.read.nrOfBoxesPerLine = 9
self.read.nrOfLinesPerPage = 3
self.read.nrOfSymbols = 100
qr_one = QrCode(3,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_two = QrCode(5,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qr_three = QrCode(8,1,2,3,4,self.read.nrOfSymbols,self.read.nrOfBoxesPerLine,self.read.nrOfLinesInTemplate,self.read.maxNrOfLinesPerPage)
qrcodes = [qr_one,qr_two,qr_three]
r1 = self.read.get_most_left_column_per_row(1,qr_one)
r2 = self.read.get_most_left_column_per_row(3,qr_one)
r3 = self.read.get_most_left_column_per_row(4,qr_one)
r4 = self.read.get_most_left_column_per_row(99,qr_three)
self.assertEqual(1,r1)
self.assertEqual(3,r2)
self.assertEqual(3,r3)
self.assertEqual(8,r4)
def test_generator(self):
"""
Test the qr generator by reading multiple generated codes.
"""
for code in ['1003', '1234']:
qr_code = QrCode(code)
path = qr_code.save(qr_code.img)
print(path)
interpreter = qrtools.QR()
interpreter.decode(path)
interpreted_code = interpreter.data
self.assertEqual(code, interpreted_code)
os.remove(path)
def returnBook(self, cloudDB, userName):
bookReturnList = cloudDB.getAllBookIdListUserBorrowed(userName)
if len(bookReturnList) == 0:
print("You don't have any book to return!")
else:
print("You can return book No:" + str(bookReturnList))
for bookID in bookReturnList:
cloudDB.printABookDetail(bookID)
print("In which way you want to return the book?")
print("1. Enter ID")
print("2. Scan QR Code")
option = TakeInput.inputInteger(1,2)
if option == 1:
print("Which book you want to return?")
bookId = int(input('Please input the book id you want to return:'))
while ((bookId in bookReturnList) == False):
bookId = int(input("Book Id invalid, please re-enter:"))
else:
print("Please place the book Qr Code infront of the web camera..")
bookId = int(QrCode.scan())
while ((bookId in bookReturnList) == False):
print("Invalid QrCode, please don't return the book you didn't borrow.")
return
print("You are returning book No." + str(bookId))
eId = cloudDB.getEid(userName, bookId)
EventManager.deleteEvent(eId)
returnDate = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
cloudDB.returnBook(eId,returnDate)
print('Book returned successfully! Thank you!')
return
# Published: 12/2/2018
#-----------------------------------------------------------------------------
"""
import cv2
from QrCode import QrCode
from argparse import ArgumentParser
if __name__ == '__main__':
parser = ArgumentParser()
parser.add_argument("-q", type=str, dest="code", help="String to encode.")
options = parser.parse_args()
DEFAULT_CODE = '1003'
# It's not necessary for this to be a string here, it should work with any value
# that has a valid strign representation.
qr_code = QrCode(options.code if options.code else DEFAULT_CODE)
# Shows the QR code
qr_code.show()
# Saves the QR code with its 4 segments separated out to an image in the current
# directory
qr_code.save()
# Waits indefinitely until a key is pressed.
cv2.waitKey(0)
# Clean up any windows left over by OpenCV tasks.
cv2.destroyAllWindows()
----------
image: np array
Image with qr code.
Returns
-------
int or None
"""
data = decode(image) ## Outputs 4 corner locations as well!!
if data:
data = int(data[0][0])
return data
if __name__ == '__main__':
import os, sys
sys.path.append(
os.path.join(
os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
'generator'))
from QrCode import QrCode
number = '4545'
code = QrCode(number).img
print(f'Interpreted: {read(code)}, Real {number}')
def draw_qr_code(self, screen):
width_in_modules = self.width_in_modules + 8
height_in_modules = self.height_in_modules + 8
pixels_per_module = min(self.width_in_pixels // width_in_modules,
self.height_in_pixels // height_in_modules)
for y in range(height_in_modules):
for x in range(width_in_modules):
col = (0, 0, 0) if self.matrix[y][x] == 1 else (255, 255, 255) if self.matrix[y][x] == 0 else\
(0, 0, 255) if self.matrix[y][x] == 4 else (255, 0, 0) if self.matrix[y][x] == 3 else\
(0, 255, 0) if self.matrix[y][x] == 2 else (128, 128, 128)
pygame.draw.rect(screen, col,
(x * pixels_per_module, y * pixels_per_module,
(x + 1) * pixels_per_module,
(y + 1) * pixels_per_module))
pygame.draw.rect(screen, (255, 255, 255),
(width_in_modules * pixels_per_module, 0,
self.width_in_pixels, self.height_in_pixels))
pygame.draw.rect(screen, (255, 255, 255),
(0, height_in_modules * pixels_per_module,
self.width_in_pixels, self.height_in_pixels))
if __name__ == '__main__':
qr = QrCode(error_correction_level=3, minimum_version=1)
qr.generate(
'Ratio of circle circumference to diameter (C/D) π = 3.141592653589793238462643383279....'
)
qr_draw = QrCodeDraw(qr)
qr_draw.draw()
