File size: 4,377 Bytes
714e7c4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | #!/usr/bin/env python
#
# This builds a html page of all images from the image comparison tests
# and opens that page in the browser.
#
# $ python tools/visualize_tests.py
#
import argparse
import os
from collections import defaultdict
html_template = """<html><head><style media="screen" type="text/css">
img{{
width:100%;
max-width:800px;
}}
</style>
</head><body>
{failed}
{body}
</body></html>
"""
subdir_template = """<h2>{subdir}</h2><table>
<thead><td>name</td><td>actual</td><td>expected</td><td>diff</td></thead>
{rows}
</table>
"""
failed_template = """<h2>Only Failed</h2><table>
<thead><td>name</td><td>actual</td><td>expected</td><td>diff</td></thead>
{rows}
</table>
"""
row_template = ('<tr>'
'<td>{0}{1}</td>'
'<td>{2}</td>'
'<td><a href="{3}"><img src="{3}"></a></td>'
'<td>{4}</td>'
'</tr>')
linked_image_template = '<a href="{0}"><img src="{0}"></a>'
def run(show_browser=True):
"""
Build a website for visual comparison
"""
image_dir = "result_images"
_subdirs = (name
for name in os.listdir(image_dir)
if os.path.isdir(os.path.join(image_dir, name)))
failed_rows = []
body_sections = []
for subdir in sorted(_subdirs):
if subdir == "test_compare_images":
# These are the images which test the image comparison functions.
continue
pictures = defaultdict(dict)
for file in os.listdir(os.path.join(image_dir, subdir)):
if os.path.isdir(os.path.join(image_dir, subdir, file)):
continue
fn, fext = os.path.splitext(file)
if fext != ".png":
continue
# Always use / for URLs.
if "-failed-diff" in fn:
pictures[fn[:-12]]["f"] = "/".join((subdir, file))
elif "-expected" in fn:
pictures[fn[:-9]]["e"] = "/".join((subdir, file))
else:
pictures[fn]["c"] = "/".join((subdir, file))
subdir_rows = []
for name, test in sorted(pictures.items()):
expected_image = test.get('e', '')
actual_image = test.get('c', '')
if 'f' in test:
# A real failure in the image generation, resulting in
# different images.
status = " (failed)"
failed = f'<a href="{test["f"]}">diff</a>'
current = linked_image_template.format(actual_image)
failed_rows.append(row_template.format(name, "", current,
expected_image, failed))
elif 'c' not in test:
# A failure in the test, resulting in no current image
status = " (failed)"
failed = '--'
current = '(Failure in test, no image produced)'
failed_rows.append(row_template.format(name, "", current,
expected_image, failed))
else:
status = " (passed)"
failed = '--'
current = linked_image_template.format(actual_image)
subdir_rows.append(row_template.format(name, status, current,
expected_image, failed))
body_sections.append(
subdir_template.format(subdir=subdir, rows='\n'.join(subdir_rows)))
if failed_rows:
failed = failed_template.format(rows='\n'.join(failed_rows))
else:
failed = ''
body = ''.join(body_sections)
html = html_template.format(failed=failed, body=body)
index = os.path.join(image_dir, "index.html")
with open(index, "w") as f:
f.write(html)
show_message = not show_browser
if show_browser:
try:
import webbrowser
webbrowser.open(index)
except Exception:
show_message = True
if show_message:
print(f"Open {index} in a browser for a visual comparison.")
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--no-browser', action='store_true',
help="Don't show browser after creating index page.")
args = parser.parse_args()
run(show_browser=not args.no_browser)
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