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erp5
Commit 8069c403 authored by Jérome Perrin's avatar Jérome Perrin
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safeimage: py3

parent 9aa60595
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Showing with 41 additions and 46 deletions
bt5/erp5_safeimage/ExtensionTemplateItem/portal_components/extension.erp5.ERP5ZoomifyImage.py
View file @ 8069c403
......@@ -16,9 +16,8 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
from __future__ import print_function
import io
import os, sys, shutil, tempfile
from six.moves import cStringIO as StringIO
from zLOG import LOG,ERROR,INFO,WARNING
from OFS.Image import File, Image
import os, transaction
......@@ -44,7 +43,7 @@ class ZoomifyBase:
_v_tileGroupMappings = {}
qualitySetting = 80
tileSize = 256
my_file = StringIO()
my_file = io.BytesIO()
def openImage(self):
""" load the image data """
......@@ -62,15 +61,15 @@ class ZoomifyBase:
width, height = (self.originalWidth, self.originalHeight)
self._v_scaleInfo = [(width, height)]
while (width > self.tileSize) or (height > self.tileSize):
width, height = (width / 2, height / 2)
width, height = (width // 2, height // 2)
self._v_scaleInfo.insert(0, (width, height))
totalTiles=0
tier, rows, columns = (0,0,0)
for tierInfo in self._v_scaleInfo:
rows = height/self.tileSize
rows = height // self.tileSize
if height % self.tileSize > 0:
rows +=1
columns = width/self.tileSize
columns = width // self.tileSize
if width%self.tileSize > 0:
columns += 1
totalTiles += rows * columns
......@@ -87,7 +86,7 @@ class ZoomifyBase:
width, height = (self.originalWidth, self.originalHeight)
self._v_scaleInfo = [(width, height)]
while (width > self.tileSize) or (height > self.tileSize):
width, height = (width / 2, height / 2)
width, height = (width // 2, height // 2)
self._v_scaleInfo.insert(0, (width, height))
# tile and tile group information
self.preProcess()
......@@ -146,7 +145,7 @@ class ZoomifyBase:
xmlOutput = '<IMAGE_PROPERTIES WIDTH="%s" HEIGHT="%s" NUMTILES="%s" NUMIMAGES="1" VERSION="1.8" TILESIZE="%s" />'
xmlOutput = xmlOutput % (str(self.originalWidth),
str(self.originalHeight), str(numberOfTiles), str(self.tileSize))
return xmlOutput
return xmlOutput.encode()
def saveXMLOutput(self):
""" save xml metadata about the tiles """
......@@ -176,15 +175,14 @@ class ZoomifyBase:
lr_y = ul_y + self.tileSize
else:
lr_y = self.originalHeight
print("Going to open image")
imageRow = image.crop([0, ul_y, self.originalWidth, lr_y])
saveFilename = root + str(tier) + '-' + str(row) + ext
if imageRow.mode != 'RGB':
imageRow = imageRow.convert('RGB')
imageRow.save(os.path.join(tempfile.gettempdir(), saveFilename),
'JPEG', quality=100)
print("os path exist : %r" % os.path.exists(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;
'JPEG', quality=95)
if os.path.exists(os.path.join(tempfile.gettempdir(), saveFilename)):
self.processRowImage(tier=tier, row=row)
row += 1
......@@ -192,9 +190,8 @@ class ZoomifyBase:
def processRowImage(self, tier=0, row=0):
""" for an image, create and save tiles """
print('*** processing tier: ' + str(tier) + ' row: ' + str(row))
tierWidth, tierHeight = self._v_scaleInfo[tier]
rowsForTier = tierHeight/self.tileSize
rowsForTier = tierHeight // self.tileSize
if tierHeight % self.tileSize > 0:
rowsForTier +=1
root, ext = os.path.splitext(self._v_imageFilename)
......@@ -261,7 +258,7 @@ 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),
tempImage = imageRow.resize((imageWidth//2, imageHeight//2),
PIL_Image.ANTIALIAS)
tempImage.save(os.path.join(tempfile.gettempdir(), root + str(tier)
+ '-' + str(row) + ext))
......@@ -269,9 +266,9 @@ class ZoomifyBase:
rowImage = None
if tier > 0:
if row % 2 != 0:
self.processRowImage(tier=(tier-1), row=((row-1)/2))
self.processRowImage(tier=(tier-1), row=((row-1)//2))
elif row == rowsForTier-1:
self.processRowImage(tier=(tier-1), row=(row/2))
self.processRowImage(tier=(tier-1), row=(row//2))
def ZoomifyProcess(self, imageNames):
""" the method the client calls to generate zoomify metadata """
......@@ -335,7 +332,7 @@ class ZoomifyZopeProcessor(ZoomifyBase):
def openImage(self):
""" load the image data """
return PIL_Image.open(self._v_imageObject.name)
return PIL_Image.open(self._v_imageObject)
def createDefaultViewer(self):
""" add the default Zoomify viewer to the Zoomify metadata """
......@@ -411,7 +408,7 @@ class ZoomifyZopeProcessor(ZoomifyBase):
tileFileName = self.getTileFileName(scaleNumber, column, row)
tileContainerName = self.getAssignedTileContainerName(
tileFileName=tileFileName)
tileImageData = StringIO()
tileImageData = io.BytesIO()
image.save(tileImageData, 'JPEG', quality=self.qualitySetting)
tileImageData.seek(0)
if hasattr(self._v_saveFolderObject, tileContainerName):
......@@ -529,7 +526,7 @@ class ERP5ZoomifyZopeProcessor(ZoomifyZopeProcessor):
param2 = 0
my_text = '%s %s %s %s %s %s \n' %(tile_group_id, tile_title,
algorithm, param1, param2, num)
self.my_file.write(my_text)
self.my_file.write(my_text.encode())
num = num - 1
......@@ -543,7 +540,7 @@ class ERP5ZoomifyZopeProcessor(ZoomifyZopeProcessor):
if w != 0 and h !=0:
tile_group_id = self.getAssignedTileContainerName()
tile_group=self.document[tile_group_id]
tileImageData= StringIO()
tileImageData= io.BytesIO()
image.save(tileImageData, 'JPEG', quality=self.qualitySetting)
tileImageData.seek(0)
if tile_group is None:
......@@ -556,11 +553,11 @@ class ERP5ZoomifyZopeProcessor(ZoomifyZopeProcessor):
def saveXMLOutput(self):
"""save the xml file"""
my_string = StringIO()
my_string.write(self.getXMLOutput())
my_string.seek(0)
my_file = io.BytesIO()
my_file.write(self.getXMLOutput())
my_file.seek(0)
self.document.newContent(portal_type='Embedded File',
id='ImageProperties.xml', file=my_string,
id='ImageProperties.xml', file=my_file,
filename='ImageProperties.xml')
return
......
bt5/erp5_safeimage/TestTemplateItem/portal_components/test.erp5.testSafeImage.py
View file @ 8069c403
from Products.ERP5Type.tests.ERP5TypeTestCase import ERP5TypeTestCase
import transaction
from io import FileIO
from io import BytesIO
import os
class FileUpload(FileIO):
class FileUpload(BytesIO):
"""Act as an uploaded file.
"""
__allow_access_to_unprotected_subobjects__ = 1
def __init__(self, path, name):
self.filename = name
super(FileUpload, self).__init__(path)
with open(path, 'rb') as f:
super(FileUpload, self).__init__(f.read())
self.headers = {}
def makeFilePath(name):
#return os.path.join(os.path.dirname(__file__), 'tmp', name)
return name
def makeFileUpload(name, as_name=None):
if as_name is None:
as_name = name
path = makeFilePath(name)
return FileUpload(path, as_name)
class TestSafeImage(ERP5TypeTestCase):
def afterSetUp(self):
portal = self.getPortalObject()
......@@ -38,14 +29,21 @@ class TestSafeImage(ERP5TypeTestCase):
transaction.commit()
self.tic()
def makeFileUpload(self, name, as_name=None):
if as_name is None:
as_name = name
fu = FileUpload(name, as_name)
self.addCleanup(fu.close)
return fu
def _createImage(self):
portal = self.getPortalObject()
image = portal.restrictedTraverse('portal_skins/erp5_safeimage/img/image_unit_test.jpg')
path_image = "image_unit_test.jpg"
fd = os.open(path_image, os.O_CREAT | os.O_RDWR)
os.write(fd,str(image.data))
os.write(fd, bytes(image.data))
os.close(fd)
_image = makeFileUpload(path_image)
_image = self.makeFileUpload(path_image)
image = self.image_module.newContent(portal_type='Image',title='testImage',
id='testImage',file=_image,filename='testImage')
return image
......@@ -55,9 +53,9 @@ class TestSafeImage(ERP5TypeTestCase):
image = portal.restrictedTraverse('portal_skins/erp5_safeimage/img/image_unit_test.jpg')
path_image = "image_unit_test.jpg"
fd = os.open(path_image, os.O_CREAT | os.O_RDWR)
os.write(fd,str(image.data))
os.write(fd, bytes(image.data))
os.close(fd)
tile_image = makeFileUpload(path_image)
tile_image = self.makeFileUpload(path_image)
tile = self.image_module.newContent(portal_type='Image Tile',title='testTile',
id='testTile',file=tile_image,filename='testTile')
return tile
......@@ -67,9 +65,9 @@ class TestSafeImage(ERP5TypeTestCase):
image = portal.restrictedTraverse('portal_skins/erp5_safeimage/img/image_unit_test.jpg')
path_image = "image_unit_test.jpg"
fd = os.open(path_image, os.O_CREAT | os.O_RDWR)
os.write(fd,str(image.data))
os.write(fd, bytes(image.data))
os.close(fd)
tile_image_transformed = makeFileUpload(path_image)
tile_image_transformed = self.makeFileUpload(path_image)
tile_transformed = self.image_module.newContent(portal_type='Image Tile Transformed',
title='testTileTransformed',id='testTileTransformed',
file=tile_image_transformed,filename='testTileTransformed')
......@@ -97,7 +95,7 @@ class TestSafeImage(ERP5TypeTestCase):
self.assertNotEqual(tile,None)
image_property = getattr(tile, "ImageProperties.xml", None)
self.assertEqual(image_property.getData(),
"""<IMAGE_PROPERTIES WIDTH="660" HEIGHT="495" NUMTILES="9" NUMIMAGES="1" VERSION="1.8" TILESIZE="256" />""")
b"""<IMAGE_PROPERTIES WIDTH="660" HEIGHT="495" NUMTILES="9" NUMIMAGES="1" VERSION="1.8" TILESIZE="256" />""")
self.assertNotEqual(image_property, None)
self.assertEqual("Embedded File", image_property.getPortalType())
image_group = getattr(tile, "TileGroup0", None)
......@@ -127,7 +125,7 @@ class TestSafeImage(ERP5TypeTestCase):
self.assertNotEqual(tile_transformed,None)
image_property = getattr(tile_transformed, "ImageProperties.xml", None)
self.assertEqual(image_property.getData(),
"""<IMAGE_PROPERTIES WIDTH="660" HEIGHT="495" NUMTILES="9" NUMIMAGES="1" VERSION="1.8" TILESIZE="256" />""")
b"""<IMAGE_PROPERTIES WIDTH="660" HEIGHT="495" NUMTILES="9" NUMIMAGES="1" VERSION="1.8" TILESIZE="256" />""")
self.assertNotEqual(image_property, None)
self.assertEqual("Embedded File", image_property.getPortalType())
image_transform = getattr(tile_transformed, "TransformFile.txt", None)
......
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