#!/bin/env python
#Copyright ReportLab Europe Ltd. 2000-2004
#see license.txt for license details
__version__='''$Id: test_images.py 3297 2008-09-17 14:43:19Z rgbecker $'''
__doc__="""Tests to do with image handling.
Most of them make use of test\pythonpowereed.gif."""
from reportlab.lib.testutils import setOutDir,makeSuiteForClasses,printLocation
setOutDir(__name__)
import os
try:
from hashlib import md5
except ImportError:
from md5 import md5
import unittest
from reportlab.lib.utils import ImageReader
"""To avoid depending on external stuff, I made a small 5x5 image and
attach its 'file contents' here in several formats.
The image looks like this, with K=black, R=red, G=green, B=blue, W=white.
K R G B W
K R G B W
K R G B W
K R G B W
K R G B W
"""
sampleRAW = '\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\xff\x00\x00\x00\xff\x00\x00\x00\xff\xff\xff\xff'
samplePNG = '\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x05\x00\x00\x00\x05\x08\x02\x00\x00\x00\x02\r\xb1\xb2\x00\x00\x00:IDATx\x9cb```\xf8\x0f\xc3\xff\xff\xff\x07\x00\x00\x00\xff\xffbb@\x05\x00\x00\x00\x00\xff\xffB\xe7\x03\x00\x00\x00\xff\xffB\xe7\x03\x00\x00\x00\xff\xffB\xe7\x03\x00\x00\x00\xff\xff\x03\x00\x9e\x01\x06\x03\x03\xc4A\xb4\x00\x00\x00\x00IEND\xaeB`\x82'
class ReaderTestCase(unittest.TestCase):
"Simplest tests to import images, work under Jython or PIL"
def test(self):
from reportlab.lib.testutils import testsFolder
from reportlab.lib.utils import rl_isfile
imageFileName = os.path.join(testsFolder,'pythonpowered.gif')
assert rl_isfile(imageFileName), "%s not found!" % imageFileName
ir = ImageReader(imageFileName)
assert ir.getSize() == (110,44)
pixels = ir.getRGBData()
assert md5(pixels).hexdigest() == '02e000bf3ffcefe9fc9660c95d7e27cf'
def makeSuite():
return makeSuiteForClasses(ReaderTestCase)
#noruntests
if __name__ == "__main__":
unittest.TextTestRunner().run(makeSuite())
printLocation()
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