def upload_media(image, never_expire=True, file_type='.jpg'):
"""Given a link and an image, uploads the image to s3 into an image
based on the link's fullname"""
url = str()
mime_type = mimetypes.guess_type("file" + file_type)[0] # Requires a filename with the extension
f = tempfile.NamedTemporaryFile(suffix=file_type, delete=False)
try:
img = image
if isinstance(img, basestring):
img = str_to_image(img)
if not img.mode == 'RGBA': # Indexed images will not convert properly
img = img.convert('RGBA')
if file_type == ".jpg":
# PIL does not play nice when converting alpha channels to jpg
background = Image.new('RGBA', img.size, (255, 255, 255))
background.paste(img, img)
img = background.convert('RGB')
img.save(f, quality=85, optimize=True)
if file_type == ".png":
optimize_png(f.name, g.png_optimizer)
contents = open(f.name).read()
file_name = get_filename_from_content(contents)
if g.media_store == "s3":
url = s3_upload_media(contents, file_name=file_name, mime_type=mime_type, file_type=file_type, never_expire=True)
finally:
os.unlink(f.name)
return url
def force_thumbnail(link, image_data, never_expire=True, file_type=".jpg"):
image = str_to_image(image_data)
image = prepare_image(image)
thumb_url = upload_media(image,
never_expire=never_expire,
file_type=file_type)
update_link(link,
thumbnail=thumb_url,
media_object=None,
thumbnail_size=image.size)
def upload_icon(file_name, image_data, size):
assert g.media_store == 's3'
image = str_to_image(image_data)
image.format = 'PNG'
image.thumbnail(size, Image.ANTIALIAS)
icon_data = image_to_str(image)
return s3_upload_media(icon_data,
file_name=file_name,
mime_type='image/png',
file_type='.png',
never_expire=True,
replace=True)
def upload_media(image, never_expire=True, file_type='.jpg'):
"""Given a link and an image, uploads the image to s3 into an image
based on the link's fullname"""
url = str()
mime_type = mimetypes.guess_type("file" + file_type)[
0] # Requires a filename with the extension
f = tempfile.NamedTemporaryFile(suffix=file_type, delete=False)
try:
img = image
do_convert = True
if isinstance(img, basestring):
img = str_to_image(img)
if img.format == "PNG" and file_type == ".png":
img.verify()
f.write(image)
f.close()
do_convert = False
if do_convert:
img = img.convert('RGBA')
if file_type == ".jpg":
# PIL does not play nice when converting alpha channels to jpg
background = Image.new('RGBA', img.size, (255, 255, 255))
background.paste(img, img)
img = background.convert('RGB')
img.save(
f, quality=85
) # Bug in the JPG encoder with the optimize flag, even if set to false
else:
img.save(f, optimize=True)
if file_type == ".png":
optimize_png(f.name, g.png_optimizer)
elif file_type == ".jpg":
optimize_jpeg(f.name, g.jpeg_optimizer)
contents = open(f.name).read()
file_name = get_filename_from_content(contents)
if g.media_store == "s3":
url = s3_upload_media(contents,
file_name=file_name,
mime_type=mime_type,
file_type=file_type,
never_expire=True)
finally:
os.unlink(f.name)
return url
def upload_media(image, never_expire=True, file_type='.jpg'):
"""Given a link and an image, uploads the image to s3 into an image
based on the link's fullname"""
url = str()
mime_type = mimetypes.guess_type("file" + file_type)[0] # Requires a filename with the extension
f = tempfile.NamedTemporaryFile(suffix=file_type, delete=False)
try:
img = image
do_convert = True
if isinstance(img, basestring):
img = str_to_image(img)
if img.format == "PNG" and file_type == ".png":
img.verify()
f.write(image)
f.close()
do_convert = False
if do_convert:
img = img.convert('RGBA')
if file_type == ".jpg":
# PIL does not play nice when converting alpha channels to jpg
background = Image.new('RGBA', img.size, (255, 255, 255))
background.paste(img, img)
img = background.convert('RGB')
img.save(f, quality=85) # Bug in the JPG encoder with the optimize flag, even if set to false
else:
img.save(f, optimize=True)
if file_type == ".png":
optimize_png(f.name, g.png_optimizer)
elif file_type == ".jpg":
optimize_jpeg(f.name, g.jpeg_optimizer)
contents = open(f.name).read()
file_name = get_filename_from_content(contents)
if g.media_store == "s3":
url = s3_upload_media(contents, file_name=file_name, mime_type=mime_type, file_type=file_type, never_expire=True)
finally:
os.unlink(f.name)
return url
def force_thumbnail(link, image_data, never_expire=True):
image = str_to_image(image_data)
image = prepare_image(image)
upload_thumb(link, image, never_expire=never_expire)
update_link(link, thumbnail=True, media_object=None)
def force_thumbnail(link, image_data, never_expire=True, file_type=".jpg"):
image = str_to_image(image_data)
image = prepare_image(image)
thumb_url = upload_media(image, never_expire=never_expire, file_type=file_type)
update_link(link, thumbnail=thumb_url, media_object=None, thumbnail_size=image.size)
def force_thumbnail(link, image_data, never_expire = True):
image = str_to_image(image_data)
image = prepare_image(image)
upload_thumb(link, image, never_expire = never_expire)
update_link(link, thumbnail = True, media_object = None)