def create_persona_preview_images(src, full_dst, **kw):
"""
Creates a 680x100 thumbnail used for the Persona preview and
a 32x32 thumbnail used for search suggestions/detail pages.
"""
log.info('[1@None] Resizing persona images: %s' % full_dst)
preview, full = amo.PERSONA_IMAGE_SIZES['header']
preview_w, preview_h = preview
orig_w, orig_h = full
with storage.open(src) as fp:
i_orig = i = Image.open(fp)
# Crop image from the right.
i = i.crop((orig_w - (preview_w * 2), 0, orig_w, orig_h))
# Resize preview.
i = i.resize(preview, Image.ANTIALIAS)
i.load()
with storage.open(full_dst[0], 'wb') as fp:
i.save(fp, 'png')
_, icon_size = amo.PERSONA_IMAGE_SIZES['icon']
icon_w, icon_h = icon_size
# Resize icon.
i = i_orig
i.load()
i = i.crop((orig_w - (preview_h * 2), 0, orig_w, orig_h))
i = i.resize(icon_size, Image.ANTIALIAS)
i.load()
with storage.open(full_dst[1], 'wb') as fp:
i.save(fp, 'png')
pngcrush_image(full_dst[0])
pngcrush_image(full_dst[1])
return True
def generate_static_theme_preview(theme_manifest, version_pk):
tmpl = loader.get_template(
'devhub/addons/includes/static_theme_preview_svg.xml')
file_ = File.objects.filter(version_id=version_pk).first()
if not file_:
return
context = _build_static_theme_preview_context(theme_manifest, file_)
sizes = sorted(
amo.THEME_PREVIEW_SIZES.values(),
lambda x, y: x['position'] - y['position'])
for size in sizes:
# Create a Preview for this size.
preview = VersionPreview.objects.create(
version_id=version_pk, position=size['position'])
# Add the size to the context and render
context.update(svg_render_size=size['full'])
svg = tmpl.render(context).encode('utf-8')
if write_svg_to_png(svg, preview.image_path):
resize_image(
preview.image_path, preview.thumbnail_path, size['thumbnail'])
pngcrush_image(preview.image_path)
preview_sizes = {}
preview_sizes['image'] = size['full']
preview_sizes['thumbnail'] = size['thumbnail']
preview.update(sizes=preview_sizes)
addon_id = Version.objects.values_list(
'addon_id', flat=True).get(id=version_pk)
index_addons.delay([addon_id])
def pngcrush_existing_preview(preview_id):
"""
Call pngcrush_image() on the images of a given add-on Preview object.
"""
log.info('Crushing images for Preview %s', preview_id)
preview = Preview.objects.get(pk=preview_id)
pngcrush_image(preview.thumbnail_path)
pngcrush_image(preview.image_path)
def render_to_png(template, context, preview, thumbnail_dimensions):
svg = template.render(context).encode('utf-8')
if write_svg_to_png(svg, preview.image_path):
resize_image(
preview.image_path,
preview.thumbnail_path,
thumbnail_dimensions,
format=preview.get_format('thumbnail'),
quality=35, # It's ignored for png format, so it's fine to always set.
)
pngcrush_image(preview.image_path)
return True
def save_persona_image(src, full_dst, **kw):
"""Creates a PNG of a Persona header image."""
log.info('[1@None] Saving persona image: %s' % full_dst)
img = ImageCheck(storage.open(src))
if not img.is_image():
log.error('Not an image: %s' % src, exc_info=True)
return
with storage.open(src, 'rb') as fp:
i = Image.open(fp)
with storage.open(full_dst, 'wb') as fp:
i.save(fp, 'png')
pngcrush_image(full_dst)
return True
def save_persona_image(src, full_dst, **kw):
"""Creates a PNG of a Persona header image."""
log.info('[1@None] Saving persona image: %s' % full_dst)
img = ImageCheck(storage.open(src))
if not img.is_image():
log.error('Not an image: %s' % src, exc_info=True)
return
with storage.open(src, 'rb') as fp:
i = Image.open(fp)
with storage.open(full_dst, 'wb') as fp:
i.save(fp, 'png')
pngcrush_image(full_dst)
return True
def generate_static_theme_preview(theme_manifest, header_root, preview):
tmpl = loader.get_template(
'devhub/addons/includes/static_theme_preview_svg.xml')
context = {'amo': amo}
context.update({
process_color_value(prop, color)
for prop, color in theme_manifest.get('colors', {}).items()
})
images_dict = theme_manifest.get('images', {})
header_url = images_dict.get('headerURL',
images_dict.get('theme_frame', ''))
header_src, header_width, header_height = encode_header_image(
os.path.join(header_root, header_url))
meet_or_slice = ('meet' if header_width < amo.THEME_PREVIEW_SIZE.width else
'slice')
preserve_aspect_ratio = '%s %s' % ('xMaxYMin', meet_or_slice)
context.update(header_src=header_src,
header_src_height=header_height,
preserve_aspect_ratio=preserve_aspect_ratio)
# Limit the srcs rendered to 15 to ameliorate DOSing somewhat.
# https://bugzilla.mozilla.org/show_bug.cgi?id=1435191 for background.
additional_srcs = images_dict.get('additional_backgrounds', [])[:15]
additional_alignments = (theme_manifest.get('properties', {}).get(
'additional_backgrounds_alignment', []))
additional_tiling = (theme_manifest.get('properties', {}).get(
'additional_backgrounds_tiling', []))
additional_backgrounds = [
AdditionalBackground(path, alignment, tiling, header_root)
for (path, alignment, tiling) in izip_longest(
additional_srcs, additional_alignments, additional_tiling)
if path is not None
]
context.update(additional_backgrounds=additional_backgrounds)
svg = tmpl.render(context).encode('utf-8')
image_size = write_svg_to_png(svg, preview.image_path)
if image_size:
pngcrush_image(preview.image_path)
sizes = {
# We mimic what resize_preview() does, but in our case, 'image'
# dimensions are not amo.ADDON_PREVIEW_SIZES[1] but something
# specific to static themes automatic preview.
'image':
image_size,
'thumbnail':
resize_image(preview.image_path, preview.thumbnail_path,
amo.ADDON_PREVIEW_SIZES[0])[0]
}
preview.update(sizes=sizes)
def generate_static_theme_preview(theme_manifest, version_pk):
# Make sure we import `index_addons` late in the game to avoid having
# a "copy" of it here that won't get mocked by our ESTestCase
from olympia.addons.tasks import index_addons
tmpl = loader.get_template(
'devhub/addons/includes/static_theme_preview_svg.xml')
file_ = File.objects.filter(version_id=version_pk).first()
if not file_:
return
context = _build_static_theme_preview_context(theme_manifest, file_)
renderings = sorted(amo.THEME_PREVIEW_RENDERINGS.values(),
key=operator.itemgetter('position'))
colors = None
for rendering in renderings:
# Create a Preview for this size.
preview = VersionPreview.objects.create(
version_id=version_pk,
position=rendering['position'],
sizes={'thumbnail_format': rendering['thumbnail_format']},
)
# Add the size to the context and render
context.update(svg_render_size=rendering['full'])
svg = tmpl.render(context).encode('utf-8')
if write_svg_to_png(svg, preview.image_path):
resize_image(
preview.image_path,
preview.thumbnail_path,
rendering['thumbnail'],
format=rendering['thumbnail_format'],
quality=
35, # It's ignored for png format, so it's fine to always set.
)
pngcrush_image(preview.image_path)
# Extract colors once and store it for all previews.
# Use the thumbnail for extra speed, we don't need to be super accurate.
if colors is None:
colors = extract_colors_from_image(preview.thumbnail_path)
data = {
'sizes': {
'image': rendering['full'],
'thumbnail': rendering['thumbnail'],
'thumbnail_format': rendering['thumbnail_format'],
},
'colors': colors,
}
preview.update(**data)
addon_id = Version.objects.values_list('addon_id',
flat=True).get(id=version_pk)
index_addons.delay([addon_id])
def test_pngcrush_image(subprocess_mock):
subprocess_mock.Popen.return_value.communicate.return_value = ('', '')
subprocess_mock.Popen.return_value.returncode = 0 # success
assert pngcrush_image('/tmp/some_file.png')
assert subprocess_mock.Popen.call_count == 1
assert subprocess_mock.Popen.call_args_list[0][0][0] == [
settings.PNGCRUSH_BIN, '-q', '-reduce', '-ow',
'/tmp/some_file.png', '/tmp/some_file.crush.png',
]
assert subprocess_mock.Popen.call_args_list[0][1] == {
'stdout': subprocess_mock.PIPE,
'stderr': subprocess_mock.PIPE,
}
# Make sure that exceptions for this are silent.
subprocess_mock.Popen.side_effect = Exception
assert not pngcrush_image('/tmp/some_other_file.png')
def test_pngcrush_image(subprocess_mock):
subprocess_mock.Popen.return_value.communicate.return_value = ('', '')
subprocess_mock.Popen.return_value.returncode = 0 # success
assert pngcrush_image('/tmp/some_file.png')
assert subprocess_mock.Popen.call_count == 1
assert subprocess_mock.Popen.call_args_list[0][0][0] == [
settings.PNGCRUSH_BIN, '-q', '-reduce', '-ow',
'/tmp/some_file.png', '/tmp/some_file.crush.png',
]
assert subprocess_mock.Popen.call_args_list[0][1] == {
'stdout': subprocess_mock.PIPE,
'stderr': subprocess_mock.PIPE,
}
# Make sure that exceptions for this are silent.
subprocess_mock.Popen.side_effect = Exception
assert not pngcrush_image('/tmp/some_other_file.png')
def pngcrush_existing_icons(addon_id):
"""
Call pngcrush_image() on the icons of a given add-on.
"""
log.info('Crushing icons for add-on %s', addon_id)
addon = Addon.objects.get(pk=addon_id)
if addon.icon_type != 'image/png':
log.info('Aborting icon crush for add-on %s, icon type is not a PNG.', addon_id)
return
icon_dir = addon.get_icon_dir()
pngcrush_image(os.path.join(icon_dir, '%s-64.png' % addon_id))
pngcrush_image(os.path.join(icon_dir, '%s-32.png' % addon_id))
# Return an icon hash that set_modified_on decorator will set on the add-on
# after a small delay. This is normally done with the true md5 hash of the
# original icon, but we don't necessarily have it here. We could read one
# of the icons we modified but it does not matter just fake a hash to
# indicate it was "manually" crushed.
return {'icon_hash': 'mcrushed'}
def generate_static_theme_preview(theme_manifest, header_root, version_pk):
tmpl = loader.get_template(
'devhub/addons/includes/static_theme_preview_svg.xml')
context = _build_static_theme_preview_context(theme_manifest, header_root)
for size in sorted(amo.THEME_PREVIEW_SIZES.values()):
# Create a Preview for this size.
preview = VersionPreview.objects.create(
version_id=version_pk, position=size['position'])
# Add the size to the context and render
context.update(svg_render_size=size['full'])
svg = tmpl.render(context).encode('utf-8')
if write_svg_to_png(svg, preview.image_path):
resize_image(
preview.image_path, preview.thumbnail_path, size['thumbnail'])
pngcrush_image(preview.image_path)
preview_sizes = {}
preview_sizes['image'] = size['full']
preview_sizes['thumbnail'] = size['thumbnail']
preview.update(sizes=preview_sizes)
def generate_static_theme_preview(theme_manifest, header_root, version_pk):
tmpl = loader.get_template(
'devhub/addons/includes/static_theme_preview_svg.xml')
context = _build_static_theme_preview_context(theme_manifest, header_root)
for size in sorted(amo.THEME_PREVIEW_SIZES.values()):
# Create a Preview for this size.
preview = VersionPreview.objects.create(version_id=version_pk,
position=size['position'])
# Add the size to the context and render
context.update(svg_render_size=size['full'])
svg = tmpl.render(context).encode('utf-8')
if write_svg_to_png(svg, preview.image_path):
resize_image(preview.image_path, preview.thumbnail_path,
size['thumbnail'])
pngcrush_image(preview.image_path)
preview_sizes = {}
preview_sizes['image'] = size['full']
preview_sizes['thumbnail'] = size['thumbnail']
preview.update(sizes=preview_sizes)
def generate_static_theme_preview(theme_manifest, version_pk):
# Make sure we import `index_addons` late in the game to avoid having
# a "copy" of it here that won't get mocked by our ESTestCase
from olympia.addons.tasks import index_addons
tmpl = loader.get_template(
'devhub/addons/includes/static_theme_preview_svg.xml')
file_ = File.objects.filter(version_id=version_pk).first()
if not file_:
return
context = _build_static_theme_preview_context(theme_manifest, file_)
sizes = sorted(
amo.THEME_PREVIEW_SIZES.values(), key=operator.itemgetter('position'))
colors = None
for size in sizes:
# Create a Preview for this size.
preview = VersionPreview.objects.create(
version_id=version_pk, position=size['position'])
# Add the size to the context and render
context.update(svg_render_size=size['full'])
svg = tmpl.render(context).encode('utf-8')
if write_svg_to_png(svg, preview.image_path):
resize_image(
preview.image_path, preview.thumbnail_path, size['thumbnail'])
pngcrush_image(preview.image_path)
# Extract colors once and store it for all previews.
# Use the thumbnail for extra speed, we don't need to be super
# accurate.
if colors is None:
colors = extract_colors_from_image(preview.thumbnail_path)
data = {
'sizes': {
'image': size['full'],
'thumbnail': size['thumbnail'],
},
'colors': colors,
}
preview.update(**data)
addon_id = Version.objects.values_list(
'addon_id', flat=True).get(id=version_pk)
index_addons.delay([addon_id])
def pngcrush_existing_icons(addon_id):
"""
Call pngcrush_image() on the icons of a given add-on.
"""
log.info('Crushing icons for add-on %s', addon_id)
addon = Addon.objects.get(pk=addon_id)
if addon.icon_type != 'image/png':
log.info('Aborting icon crush for add-on %s, icon type is not a PNG.',
addon_id)
return
icon_dir = addon.get_icon_dir()
pngcrush_image(os.path.join(icon_dir, '%s-64.png' % addon_id))
pngcrush_image(os.path.join(icon_dir, '%s-32.png' % addon_id))
# Return an icon hash that set_modified_on decorator will set on the add-on
# after a small delay. This is normally done with the true md5 hash of the
# original icon, but we don't necessarily have it here. We could read one
# of the icons we modified but it does not matter just fake a hash to
# indicate it was "manually" crushed.
return {
'icon_hash': 'mcrushed'
}
def generate_static_theme_preview(theme_manifest, header_root, preview_pk):
preview = VersionPreview.objects.get(pk=preview_pk)
tmpl = loader.get_template(
'devhub/addons/includes/static_theme_preview_svg.xml')
context = _build_static_theme_preview_context(theme_manifest, header_root)
# Then add the size and render
context.update(svg_render_size=amo.THEME_PREVIEW_SIZES['full'])
svg = tmpl.render(context).encode('utf-8')
preview_sizes = {}
if write_svg_to_png(svg, preview.image_path):
pngcrush_image(preview.image_path)
preview_sizes['image'] = amo.THEME_PREVIEW_SIZES['full']
# Then rerender at a different size
context.update(svg_render_size=amo.THEME_PREVIEW_SIZES['thumb'])
svg = tmpl.render(context).encode('utf-8')
if write_svg_to_png(svg, preview.thumbnail_path):
pngcrush_image(preview.thumbnail_path)
preview_sizes['thumbnail'] = amo.THEME_PREVIEW_SIZES['thumb']
if preview_sizes:
preview.update(sizes=preview_sizes)
def generate_static_theme_preview(theme_manifest, version_pk):
tmpl = loader.get_template(
'devhub/addons/includes/static_theme_preview_svg.xml')
file_ = File.objects.filter(version_id=version_pk).first()
if not file_:
return
context = _build_static_theme_preview_context(theme_manifest, file_)
sizes = sorted(amo.THEME_PREVIEW_SIZES.values(),
lambda x, y: x['position'] - y['position'])
colors = None
for size in sizes:
# Create a Preview for this size.
preview = VersionPreview.objects.create(version_id=version_pk,
position=size['position'])
# Add the size to the context and render
context.update(svg_render_size=size['full'])
svg = tmpl.render(context).encode('utf-8')
if write_svg_to_png(svg, preview.image_path):
resize_image(preview.image_path, preview.thumbnail_path,
size['thumbnail'])
pngcrush_image(preview.image_path)
# Extract colors once and store it for all previews.
# Use the thumbnail for extra speed, we don't need to be super
# accurate.
if colors is None:
colors = extract_colors_from_image(preview.thumbnail_path)
data = {
'sizes': {
'image': size['full'],
'thumbnail': size['thumbnail'],
},
'colors': colors,
}
preview.update(**data)
addon_id = Version.objects.values_list('addon_id',
flat=True).get(id=version_pk)
index_addons.delay([addon_id])
def pngcrush_existing_theme(persona_id):
"""
Call pngcrush_image() on the images of a given Persona object.
"""
log.info('Crushing images for Persona %s', persona_id)
persona = Persona.objects.get(pk=persona_id)
# Only do this on "new" Personas with persona_id = 0, the older ones (with
# a persona_id) have jpeg and not pngs.
if not persona.is_new():
log.info('Aborting images crush for Persona %s (too old).', persona_id)
return
pngcrush_image(persona.preview_path)
# No need to crush thumb_path, it's the same as preview_path for "new"
# Personas.
pngcrush_image(persona.icon_path)
if persona.header:
pngcrush_image(persona.header_path)
if persona.footer:
pngcrush_image(persona.footer_path)
def pngcrush_existing_theme(persona_id):
"""
Call pngcrush_image() on the images of a given Persona object.
"""
log.info('Crushing images for Persona %s', persona_id)
persona = Persona.objects.get(pk=persona_id)
# Only do this on "new" Personas with persona_id = 0, the older ones (with
# a persona_id) have jpeg and not pngs.
if not persona.is_new():
log.info('Aborting images crush for Persona %s (too old).', persona_id)
return
pngcrush_image(persona.preview_path)
# No need to crush thumb_path, it's the same as preview_path for "new"
# Personas.
pngcrush_image(persona.icon_path)
if persona.header:
pngcrush_image(persona.header_path)
if persona.footer:
pngcrush_image(persona.footer_path)
