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Resize uploaded avatar images

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(imported from commit 47ff86fcd47871916631baa34f99bbddb67f87d0)
This commit is contained in:
Kevin Mehall
2013-10-28 12:44:09 -04:00
parent c65d3d5127
commit f9af7ad1cf
1 changed files with 23 additions and 2 deletions
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25
zerver/lib/upload.py
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@@ -11,6 +11,8 @@ from mimetypes import guess_type, guess_extension
import base64 import base64
import os import os
from PIL import Image, ImageOps
from StringIO import StringIO
# Performance Note: # Performance Note:
# #
@@ -102,16 +104,35 @@ def get_signed_upload_url(path):
conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY) conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY)
return conn.generate_url(15, 'GET', bucket=settings.S3_AUTH_UPLOADS_BUCKET, key=path) return conn.generate_url(15, 'GET', bucket=settings.S3_AUTH_UPLOADS_BUCKET, key=path)
def resize_avatar(image_data):
AVATAR_SIZE = 100
im = Image.open(StringIO(image_data))
im = ImageOps.fit(im, (AVATAR_SIZE, AVATAR_SIZE), Image.ANTIALIAS)
out = StringIO()
im.save(out, format='png')
return out.getvalue()
def upload_avatar_image(user_file, user_profile, email): def upload_avatar_image(user_file, user_profile, email):
content_type = guess_type(user_file.name)[0] content_type = guess_type(user_file.name)[0]
bucket_name = settings.S3_AVATAR_BUCKET bucket_name = settings.S3_AVATAR_BUCKET
s3_file_name = user_avatar_hash(email) s3_file_name = user_avatar_hash(email)
image_data = user_file.read()
upload_image_to_s3(
bucket_name,
s3_file_name + ".original",
content_type,
user_profile,
image_data,
)
resized_data = resize_avatar(image_data)
upload_image_to_s3( upload_image_to_s3(
bucket_name, bucket_name,
s3_file_name, s3_file_name,
content_type, 'image/png',
user_profile, user_profile,
user_file.read(), resized_data,
) )
# See avatar_url in avatar.py for URL. (That code also handles the case # See avatar_url in avatar.py for URL. (That code also handles the case
# that users use gravatar.) # that users use gravatar.)