'<td>{0}{1}</td>'

'<td>{2}</td>'

'<td><a href="{3}"><img src="{3}"></a></td>'

'<td>{4}</td>'

"""

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

if "-failed-diff" in fn:

file_type = 'diff'

test_name = fn[:-len('-failed-diff')]

elif "-expected" in fn:

for ext in NON_PNG_EXTENSIONS:

if fn.endswith(f'_{ext}'):

display_extension = f'_{ext}'

extension = ext

fn = fn[:-len(display_extension)]

break

else:

display_extension = ''

extension = 'png'

file_type = 'expected'

test_name = fn[:-len('-expected')] + display_extension

else:

file_type = 'actual'

test_name = fn

# Always use / for URLs.

pictures[test_name][file_type] = '/'.join((subdir, file))

subdir_rows = []

for name, test in sorted(pictures.items()):

expected_image = test.get('expected', '')

actual_image = test.get('actual', '')

if 'diff' in test:

# A real failure in the image generation, resulting in

# different images.

status = " (failed)"

failed = f'<a href="{test["diff"]}">diff</a>'

current = linked_image_template.format(actual_image)

failed_rows.append(row_template.format(name, "", current,

expected_image, failed))

elif 'actual' 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: