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nexedi
erp5
Commits
aa049013
Commit
aa049013
authored
Apr 10, 2024
by
Jérome Perrin
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patches/python: workaround safeimage impacted by this round2 patch
parent
c03f9d23
Changes
2
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2 changed files
with
36 additions
and
7 deletions
+36
-7
bt5/erp5_safeimage/ExtensionTemplateItem/portal_components/extension.erp5.ERP5ZoomifyImage.py
...Item/portal_components/extension.erp5.ERP5ZoomifyImage.py
+34
-7
product/ERP5Type/patches/python.py
product/ERP5Type/patches/python.py
+2
-0
No files found.
bt5/erp5_safeimage/ExtensionTemplateItem/portal_components/extension.erp5.ERP5ZoomifyImage.py
View file @
aa049013
...
...
@@ -16,6 +16,7 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
import
contextlib
import
io
import
os
,
sys
,
shutil
,
tempfile
from
zLOG
import
LOG
,
ERROR
,
INFO
,
WARNING
...
...
@@ -32,6 +33,29 @@ import random
import
base64
from
OFS.Folder
import
Folder
import
six
# XXX zope4py3, we patch builtin round to keep python2 behavior
# but this interfers with PIL, because python2 round sometimes
# returns an int where python3 round is supposed to return a float.
# This context manager swaps the implementation with the native
# float on python3, which is NOT THREAD SAFE. Don't use it in
# production, for now this makes the test pass 🤐.
import
Products.ERP5Type.patches.python
@
contextlib
.
contextmanager
def
native_round
():
if
six
.
PY3
:
round_original
=
__builtins__
[
'round'
]
try
:
__builtins__
[
'round'
]
=
Products
.
ERP5Type
.
patches
.
python
.
round_native
yield
finally
:
__builtins__
[
'round'
]
=
round_original
else
:
# on python2 do nothing
yield
class
ZoomifyBase
:
_v_imageFilename
=
''
...
...
@@ -179,6 +203,7 @@ class ZoomifyBase:
saveFilename
=
root
+
str
(
tier
)
+
'-'
+
str
(
row
)
+
ext
if
imageRow
.
mode
!=
'RGB'
:
imageRow
=
imageRow
.
convert
(
'RGB'
)
with
native_round
():
imageRow
.
save
(
os
.
path
.
join
(
tempfile
.
gettempdir
(),
saveFilename
),
# see https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html#jpeg-saving
# for quality, Values above 95 should be avoided;
...
...
@@ -258,8 +283,11 @@ class ZoomifyBase:
# a bug was discovered when a row was exactly 1 pixel in height
# this extra checking accounts for that
if
imageHeight
>
1
:
tempImage
=
imageRow
.
resize
((
imageWidth
//
2
,
imageHeight
//
2
),
PIL_Image
.
ANTIALIAS
)
tempImage
=
imageRow
.
resize
(
(
imageWidth
//
2
,
imageHeight
//
2
),
PIL_Image
.
LANCZOS
if
six
.
PY3
else
PIL_Image
.
ANTIALIAS
,
)
with
native_round
():
tempImage
.
save
(
os
.
path
.
join
(
tempfile
.
gettempdir
(),
root
+
str
(
tier
)
+
'-'
+
str
(
row
)
+
ext
))
tempImage
=
None
...
...
@@ -272,8 +300,6 @@ class ZoomifyBase:
def
ZoomifyProcess
(
self
,
imageNames
):
""" the method the client calls to generate zoomify metadata """
pass
return
def
preProcess
(
self
):
...
...
@@ -541,6 +567,7 @@ class ERP5ZoomifyZopeProcessor(ZoomifyZopeProcessor):
tile_group_id
=
self
.
getAssignedTileContainerName
()
tile_group
=
self
.
document
[
tile_group_id
]
tileImageData
=
io
.
BytesIO
()
with
native_round
():
image
.
save
(
tileImageData
,
'JPEG'
,
quality
=
self
.
qualitySetting
)
tileImageData
.
seek
(
0
)
if
tile_group
is
None
:
...
...
product/ERP5Type/patches/python.py
View file @
aa049013
...
...
@@ -251,6 +251,8 @@ def round2(number, ndigits=None):
return
float
(
d
)
round_native
=
round
if
sys
.
version_info
>
(
2
,
):
__builtins__
[
'round'
]
=
round2
from
AccessControl.ZopeGuards
import
safe_builtins
...
...
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