def resizeExistingImage(self):
"resize existing images"
if self.exists():
filename, remove_after = utility.createTempFile(self.data.data)
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
if self.getConfig('resizeOnUpload'):
self.resizeImage(filename)
#have to redo the content_type after we modify the image in case it has changed
content_type = magicfile.magic(filename) #not correct
self.makeThumbnail(filename)
self.setFileSize()
self.storeContentType(content_type)
self.updateImageSrcCache()
utility.removeTempFile(filename, remove_after)
def resizeExistingImage(self):
"resize existing images"
if self.exists():
filename, remove_after = utility.createTempFile(self.data.data)
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
if self.getConfig('resizeOnUpload'):
self.resizeImage(filename)
#have to redo the content_type after we modify the image in case it has changed
content_type = magicfile.magic(filename) #not correct
self.makeThumbnail(filename)
self.setFileSize()
self.storeContentType(content_type)
self.updateImageSrcCache()
utility.removeTempFile(filename, remove_after)
def before_manage_edit(self, dict):
"This is the object specific edit stuff"
if dict.pop('_del',None) == 'Y':
self.clear()
if dict.get('data', None): #don't process if data does not have anything in it
filename, remove_after = utility.createTempFile(dict['data'])
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
if not self.data:
self.manage_addProduct['Image'].manage_addImage('data', '', 'data')
if self.getConfig('resizeOnUpload'):
self.resizeImage(filename)
elif self.getConfig('resaveOnUpload'):
temp_file,x,y = utility.resaveExistingImage(filename)
if temp_file is not None:
self.data.manage_upload(temp_file)
temp_file.close()
self.data.width = x
self.data.height = y
else:
self.data.manage_upload(open(filename, 'rb'))
else:
self.data.manage_upload(open(filename, 'rb'))
self.updateParentPaths(set(['data']))
self.makeThumbnail(filename)
self.setFileSize()
self.storeContentType(content_type)
utility.removeTempFile(filename, remove_after)
try:
del dict['data']
except KeyError:
pass
def makeThumbnail(self, filename):
"""
Makes a thumbnail image given an image Id when called on a Zope
folder.
The thumbnail is a Zope image object that is a small JPG
representation of the original image. The thumbnail has a
'original_id' property set to the id of the full size image
object.
"""
size=30
data = self.data or self.image
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
image=Image.open(filename)
image=image.convert('RGB')
(x,y) = image.size
if x > size: x = size
if y > size: y = size
image = image.resize((x,y))
thumbnail_file = utility.saveImage(image, 'JPEG')
thumbnail_id = "thumbnail"
if not getattr(self, thumbnail_id):
self.manage_addProduct['Image'].manage_addImage(thumbnail_id, thumbnail_file, thumbnail_id)
else:
self._getOb(thumbnail_id).manage_upload(thumbnail_file)
def generateImage(self, pic):
"generate an image and thumbnail based on this data"
filename, remove_after = utility.createTempFile(pic.data.data)
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
self.genImage(filename)
self.updateImageSrcCache(pic)
self.makeThumbnail(filename)
utility.removeTempFile(filename, remove_after)
def generateImage(self, pic):
"generate an image and thumbnail based on this data"
filename, remove_after = utility.createTempFile(pic.data.data)
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
self.genImage(filename)
self.updateImageSrcCache(pic)
self.makeThumbnail(filename)
utility.removeTempFile(filename, remove_after)
def resaveExistingImage(self):
"reisze existing images"
if self.exists():
filename, remove_after = utility.createTempFile(self.image.data)
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
temp_file, x, y = utility.resaveExistingImage(filename)
beforeSize = utility.fileSizeToInt(self.getFileSize())
if temp_file is not None and os.stat(temp_file.name)[stat.ST_SIZE] < beforeSize:
self.image.manage_upload(temp_file)
self.image.width = x
self.image.height = y
#have to redo the content_type after we modify the image in case it has changed
content_type = magicfile.magic(temp_file.name)
temp_file.close()
self.setFileSize()
self.image.content_type = content_type
utility.removeTempFile(filename, remove_after)
def updateFileContentType(self):
"Update the content type of the installed file"
if self.exists():
if self.hasObject('data'):
file_obj = aq_base(self.data)
if hasattr(file_obj, 'data'):
filename, remove_after = utility.createTempFile(file_obj.data)
file_obj.content_type = magicfile.magic(filename)
utility.removeTempFile(filename, remove_after)
def resaveExistingImage(self):
"reisze existing images"
if self.exists():
filename, remove_after = utility.createTempFile(self.image.data)
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
temp_file, x, y = utility.resaveExistingImage(filename)
beforeSize = utility.fileSizeToInt(self.getFileSize())
if temp_file is not None and os.stat(
temp_file.name)[stat.ST_SIZE] < beforeSize:
self.image.manage_upload(temp_file)
self.image.width = x
self.image.height = y
#have to redo the content_type after we modify the image in case it has changed
content_type = magicfile.magic(temp_file.name)
temp_file.close()
self.setFileSize()
self.image.content_type = content_type
utility.removeTempFile(filename, remove_after)
def updateFileContentType(self):
"Update the content type of the installed file"
if self.exists():
if self.hasObject('data'):
file_obj = aq_base(self.data)
if hasattr(file_obj, 'data'):
filename, remove_after = utility.createTempFile(
file_obj.data)
file_obj.content_type = magicfile.magic(filename)
utility.removeTempFile(filename, remove_after)
def resaveExistingImage(self):
"reisze existing images"
if self.exists():
filename, remove_after = utility.createTempFile(self.data.data)
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
if self.getConfig('resaveOnUpload'):
temp_file,x,y = utility.resaveExistingImage(filename)
beforeSize = utility.fileSizeToInt(self.getFileSize())
if temp_file is not None and os.stat(temp_file.name)[stat.ST_SIZE] < beforeSize:
if not self.data:
self.manage_addProduct['Image'].manage_addImage('data', temp_file, 'data')
else:
self.data.manage_upload(temp_file)
self.data.width = x
self.data.height = y
#have to redo the content_type after we modify the image in case it has changed
content_type = magicfile.magic(temp_file.name)
temp_file.close()
self.setFileSize()
self.storeContentType(content_type)
utility.removeTempFile(filename, remove_after)
def resaveExistingImage(self):
"reisze existing images"
if self.exists():
filename, remove_after = utility.createTempFile(self.data.data)
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
if self.getConfig('resaveOnUpload'):
temp_file, x, y = utility.resaveExistingImage(filename)
beforeSize = utility.fileSizeToInt(self.getFileSize())
if temp_file is not None and os.stat(
temp_file.name)[stat.ST_SIZE] < beforeSize:
if not self.data:
self.manage_addProduct['Image'].manage_addImage(
'data', temp_file, 'data')
else:
self.data.manage_upload(temp_file)
self.data.width = x
self.data.height = y
#have to redo the content_type after we modify the image in case it has changed
content_type = magicfile.magic(temp_file.name)
temp_file.close()
self.setFileSize()
self.storeContentType(content_type)
utility.removeTempFile(filename, remove_after)
def before_manage_edit(self, dict):
"This is the object specific edit stuff"
if dict.pop('_del', None) == 'Y':
self.clear()
if dict.get('data',
None): #don't process if data does not have anything in it
filename, remove_after = utility.createTempFile(dict['data'])
content_type = magicfile.magic(filename)
if content_type.startswith('image'):
if not self.data:
self.manage_addProduct['Image'].manage_addImage(
'data', '', 'data')
if self.getConfig('resizeOnUpload'):
self.resizeImage(filename)
elif self.getConfig('resaveOnUpload'):
temp_file, x, y = utility.resaveExistingImage(filename)
if temp_file is not None:
self.data.manage_upload(temp_file)
temp_file.close()
self.data.width = x
self.data.height = y
else:
self.data.manage_upload(open(filename, 'rb'))
else:
self.data.manage_upload(open(filename, 'rb'))
self.updateParentPaths(set(['data']))
self.makeThumbnail(filename)
self.setFileSize()
self.storeContentType(content_type)
utility.removeTempFile(filename, remove_after)
try:
del dict['data']
except KeyError:
pass