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<n e j � d k rd � Z e e d <n d � Z d � Z i Z d � Z e j � rUe rUd � e d <n e d � Z d � Z d S( s+ A set of utilities for comparing results.
i����N( t ImageComparisonFailuret
compare_floatt compare_imagest comparable_formatsc C s� | d k r> | d k r> d } | d 7} | d 7} t | � n d } | d k r� t | | � } | | k r� t | � } t | � } t | � } t | � }
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s� Fail if the floating point values are not close enough, with
the givem message.
You can specify a relative tolerance, absolute tolerance, or both.
s4 You haven't specified a 'relTol' relative tolerance s5 or a 'absTol' absolute tolerance function argument. s You must specify one.t s
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Convert the named file into a png file.
Returns the name of the created file.
t .i s) Don't know how to convert %s files to pngt _s .pngs '%s' does not existt stdoutt stderrs Conversion command failed:
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Verify the file through some sort of verification tool.
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rU } d | } | rN t | � qV | Sn Xt | � | j d � d } | d k r� t | � t | � } } n | j | � j d � }
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� � t | � � } t j j t j j | � d t j j | � � } d
t j j | � } | d | k r�t j j | � r�t j | � n t j j | � r�t j | � n d St | | | � | r7t j | | � t d | d
t | � d t | � d t | � � } | St j j | � rYt j | � n d t | d � d t | � d t | � d t | � d t | � d } | Sd S( s= Compare two image files - not the greatest, but fast and good enough.
= EXAMPLE
# img1 = "./baseline/plot.png"
# img2 = "./output/plot.png"
#
# compare_images( img1, img2, 0.001 ):
= INPUT VARIABLES
- expected The filename of the expected image.
- actual The filename of the actual image.
- tol The tolerance (a unitless float). This is used to
determine the 'fuzziness' to use when comparing images.
- in_decorator If called from image_comparison decorator, this should be
True. (default=False)
i����( t Imaget ImageOpst ImageFilters� Image Comparison requires the Python Imaging Library to be installed. To run tests without using PIL, then use the '--without-tag=PIL' command-line option.
Importing PIL failed with the following error:
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t diffs1 Error: Image files did not match.
RMS Value: s
Expected:
s
Actual:
s
Difference:
s
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