preview heic img (#6700)

* preview heic img

* update

* Update requirements.txt

* Update utils.py

* Update requirements.txt

* update

---------

Co-authored-by: 孙永强 <11704063+s-yongqiang@user.noreply.gitee.com>
Co-authored-by: r350178982 <32759763+r350178982@users.noreply.github.com>

frontend/src/utils/utils.js

@@ -130,7 +130,7 @@ export const Utils = {
       return false;
     }
     var file_ext = filename.substr(filename.lastIndexOf('.') + 1).toLowerCase();
-    var image_exts = ['gif', 'jpeg', 'jpg', 'png', 'ico', 'bmp', 'tif', 'tiff', 'jfif'];
+    var image_exts = ['gif', 'jpeg', 'jpg', 'png', 'ico', 'bmp', 'tif', 'tiff', 'jfif', 'heic'];
     if (image_exts.indexOf(file_ext) != -1) {
       return true;
     } else {

requirements.txt

@@ -28,3 +28,4 @@ python-ldap==3.4.*
 pypinyin==0.52.*
 PyMuPDF==1.24.*
 dnspython==2.6.*
+pillow-heif==0.18.*

seahub/thumbnail/utils.py

@@ -15,6 +15,7 @@ except:
     from urllib.request import urlretrieve
 
 from PIL import Image
+
 from seaserv import get_file_id_by_path, get_repo, get_file_size, \
     seafile_api
 
@@ -23,6 +24,12 @@ from seahub.utils.file_types import VIDEO, XMIND, PDF
 from seahub.settings import THUMBNAIL_IMAGE_SIZE_LIMIT, \
     THUMBNAIL_EXTENSION, THUMBNAIL_ROOT, THUMBNAIL_IMAGE_ORIGINAL_SIZE_LIMIT,\
     ENABLE_VIDEO_THUMBNAIL, THUMBNAIL_VIDEO_FRAME_TIME
+try:
+    from pillow_heif import register_heif_opener
+    register_heif_opener()
+except ImportError:
+    pass
+
 # Get an instance of a logger
 logger = logging.getLogger(__name__)