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Code Issues Releases Wiki Activity

Merge pull request #2039 from haiwen/avatar_handle_error

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[avatar] Quick fix for avatar image truncated issue which will cause …
This commit is contained in:
xiez
2018-03-17 10:58:03 +08:00
committed by GitHub
parent 8802278bb5 eef3e0992d
commit a8f649e8e9
1 changed files with 28 additions and 22 deletions
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50
seahub/avatar/models.py
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@@ -3,6 +3,7 @@ from abc import abstractmethod
import datetime
import hashlib
import os
import logging
from seahub.base.fields import LowerCaseCharField
@@ -31,6 +32,9 @@ from seahub.avatar.settings import (AVATAR_STORAGE_DIR, AVATAR_RESIZE_METHOD,
AVATAR_THUMB_QUALITY, AUTO_GENERATE_AVATAR_SIZES,
GROUP_AVATAR_STORAGE_DIR)
# Get an instance of a logger
logger = logging.getLogger(__name__)
def avatar_file_path(instance=None, filename=None, size=None, ext=None):
if isinstance(instance, Avatar):
tmppath = [AVATAR_STORAGE_DIR]
@@ -80,40 +84,42 @@ class AvatarBase(object):
"""
def thumbnail_exists(self, size):
return self.avatar.storage.exists(self.avatar_name(size))
def create_thumbnail(self, size, quality=None):
# invalidate the cache of the thumbnail with the given size first
if isinstance(self, Avatar):
invalidate_cache(self.emailuser, size)
try:
orig = self.avatar.storage.open(self.avatar.name, 'rb').read()
image = Image.open(StringIO(orig))
except IOError:
return # What should we do here? Render a "sorry, didn't work" img?
quality = quality or AVATAR_THUMB_QUALITY
(w, h) = image.size
if w != size or h != size:
if w > h:
diff = (w - h) / 2
image = image.crop((diff, 0, w - diff, h))
quality = quality or AVATAR_THUMB_QUALITY
(w, h) = image.size
if w != size or h != size:
if w > h:
diff = (w - h) / 2
image = image.crop((diff, 0, w - diff, h))
else:
diff = (h - w) / 2
image = image.crop((0, diff, w, h - diff))
if image.mode != "RGBA":
image = image.convert("RGBA")
image = image.resize((size, size), AVATAR_RESIZE_METHOD)
thumb = StringIO()
image.save(thumb, AVATAR_THUMB_FORMAT, quality=quality)
thumb_file = ContentFile(thumb.getvalue())
else:
diff = (h - w) / 2
image = image.crop((0, diff, w, h - diff))
if image.mode != "RGBA":
image = image.convert("RGBA")
image = image.resize((size, size), AVATAR_RESIZE_METHOD)
thumb = StringIO()
image.save(thumb, AVATAR_THUMB_FORMAT, quality=quality)
thumb_file = ContentFile(thumb.getvalue())
else:
thumb_file = ContentFile(orig)
thumb = self.avatar.storage.save(self.avatar_name(size), thumb_file)
thumb_file = ContentFile(orig)
thumb = self.avatar.storage.save(self.avatar_name(size), thumb_file)
except Exception as e:
logger.error(e)
return # What should we do here? Render a "sorry, didn't work" img?
def avatar_url(self, size):
return self.avatar.storage.url(self.avatar_name(size))
@abstractmethod
@abstractmethod
def save(self, *args, **kwargs):
pass