def save_thumb_to_s3(page, path):
i = Image.open(path)
size = i.size
is_wide_thumb = size[0] > size[1]
thumb = i.copy()
thumb_filename = "%s_full.png" % (page.id)
thumbIO = cStringIO.StringIO()
thumb.save(thumbIO, "png")
thumbIO.seek(0)
s3.save_string_to_bucket(localsettings.S3_BUCKET_THUMB, thumb_filename, thumbIO.read(), "public-read", "image/png")
thumbIO.close()
for dim in settings.THUMB_DIMENSIONS:
w = dim[0]
h = dim[1]
if is_wide_thumb and ZOOM_AND_CROP_WIDE_THUMBS:
ratio = max(float(h) / size[1], float(w) / size[0])
else:
ratio = min(float(h) / size[1], float(w) / size[0])
new_width = int(size[0] * ratio)
new_height = int(size[1] * ratio)
if i.mode == 'RGBA':
thumb = Image.new('RGBA', (w, h), (255, 255, 255, 255))
else:
thumb = Image.new('RGB', (w, h), (255, 255, 255))
thumbImage = i.resize((new_width, new_height), Image.ANTIALIAS)
if i.mode == 'RGBA':
if is_wide_thumb and ZOOM_AND_CROP_WIDE_THUMBS:
# Cropping from the top, left.
thumbImage = thumbImage.crop((0, 0, new_width, new_height))
thumb.paste(thumbImage, (0, 0), thumbImage)
else:
thumb.paste(thumbImage, ((w - new_width) / 2, (h - new_height) / 2), thumbImage)
thumb = thumb.convert('RGB')
else:
thumb.paste(thumbImage, ((w - new_width) / 2, (h - new_height) / 2))
thumb_filename = "%s_%d_%d.jpg" % (page.id, w, h)
thumbIO = cStringIO.StringIO()
thumb.save(thumbIO, "jpeg", quality=95)
thumbIO.seek(0)
s3.save_string_to_bucket(localsettings.S3_BUCKET_THUMB, thumb_filename, thumbIO.read(), "public-read", "image/jpeg")
thumbIO.close()
page.thumb_path = "s3"
page.thumb_dir = "s3"
page.save()
def save_uploaded_avatar(profile, avatar_form):
avatar_upload = avatar_form.cleaned_data["avatar"]
filename = "%d_%d" % (profile.user.id , now())
s3.save_string_to_bucket("avatar", filename, avatar_upload.content)
make_upload_thumbnails(filename, avatar_upload.content)
profile.avatar = filename
profile.avatar_filetype = EXTENSION
profile.avatar_builtin = False
profile.save()
def make_upload_thumbnails(filename, data):
dataIO = cStringIO.StringIO(data)
orig = Image.open(dataIO)
orig = orig.crop(middle_square(orig.size))
for size in SIZES:
thumb = orig.resize((size, size), Image.ANTIALIAS)
if thumb.mode != "RGB":
thumb = thumb.convert("RGB")
new_filename = "%s_%d.%s" % (filename, size, EXTENSION)
new_file = cStringIO.StringIO()
thumb.save(new_file, "jpeg", quality=95)
new_file.seek(0)
s3.save_string_to_bucket("avatar", new_filename, new_file.read())
new_file.close()
dataIO.close()
def set_file(self, content):
if self.media_type == MEDIA_TYPE_IMAGE:
s3.save_string_to_bucket(
localsettings.S3_BUCKET_UPLOAD, self.id + ".fimage", content, content_type=self.mimetype
)
def save_ppt_to_s3(self, content):
key = self.get_s3_key()
s3.save_string_to_bucket(localsettings.S3_BUCKET_UPLOAD, key, content)
self.uploaded_to_s3 = True
self.save()
def save_css_file_to_s3(task, file):
s3.save_string_to_bucket(localsettings.S3_BUCKET_CSS, task.id + ".css", file, "public-read", "text/css")
return "S3"
