def _save_thumbnails(image, original_path, size, suffix):
# Thumbnail format will be set by original file extension.
# Use same format to keep transparency of GIF/PNG
nm = NamedTemporaryFile(suffix='.%s' % image.format)
default_storage = get_storage_class()()
try:
# Ensure conversion to float in operations
image.thumbnail(get_dimensions(image.size, float(size)), Image.ANTIALIAS)
except ZeroDivisionError:
pass
try:
image.save(nm.name)
except IOError:
# e.g. `IOError: cannot write mode P as JPEG`, which gets raised when
# someone uploads an image in an indexed-color format like GIF
image.convert('RGB').save(nm.name)
# Try to delete file with the same name if it already exists to avoid useless file.
# i.e if `file_<suffix>.jpg` exists, Storage will save `a_<suffix>_<random_string>.jpg`
# but nothing in the code is aware about this `<random_string>
try:
default_storage.delete(get_path(original_path, suffix))
except IOError:
pass
default_storage.save(
get_path(original_path, suffix), ContentFile(nm.read()))
nm.close()
def image_url(attachment, suffix):
'''Return url of an image given size(@param suffix)
e.g large, medium, small, or generate required thumbnail
'''
url = attachment.media_file.url
if suffix == 'original':
return url
else:
default_storage = get_storage_class()()
fs = get_storage_class('django.core.files.storage.FileSystemStorage')()
if suffix in settings.THUMB_CONF:
size = settings.THUMB_CONF[suffix]['suffix']
filename = attachment.media_file.name
if default_storage.exists(filename):
if default_storage.exists(get_path(filename, size)) and\
default_storage.size(get_path(filename, size)) > 0:
url = default_storage.url(get_path(filename, size))
else:
if default_storage.__class__ != fs.__class__:
resize(filename)
else:
resize_local_env(filename)
return image_url(attachment, suffix)
else:
return None
return url
def image_url(attachment, suffix):
'''Return url of an image given size(@param suffix)
e.g large, medium, small, or generate required thumbnail
'''
url = attachment.media_file.url
if suffix == 'original':
return url
else:
default_storage = get_storage_class()()
fs = get_storage_class('django.core.files.storage.FileSystemStorage')()
if suffix in settings.THUMB_CONF:
size = settings.THUMB_CONF[suffix]['suffix']
filename = attachment.media_file.name
if default_storage.exists(filename):
if default_storage.exists(get_path(filename, size)) and\
default_storage.size(get_path(filename, size)) > 0:
url = default_storage.url(
get_path(filename, size))
else:
if default_storage.__class__ != fs.__class__:
resize(filename, extension=attachment.extension)
else:
resize_local_env(filename,
extension=attachment.extension)
return image_url(attachment, suffix)
else:
return None
return url
def _save_thumbnails(image, path, size, suffix):
nm = NamedTemporaryFile(suffix='.%s' % image.format)
default_storage = get_storage_class()()
try:
# Ensure conversion to float in operations
# Converting to RGBA make the background white instead of black for
# transparent PNGs/GIFs
image = image.convert("RGBA")
image.thumbnail(get_dimensions(image.size, float(size)), Image.ANTIALIAS)
except ZeroDivisionError:
pass
try:
image.save(nm.name)
except IOError:
# e.g. `IOError: cannot write mode P as JPEG`, which gets raised when
# someone uploads an image in an indexed-color format like GIF
image.convert('RGB').save(nm.name)
# Try to delete file with the same name if it already exists to avoid useless file.
# i.e if `file_<suffix>.jpg` exists, Storage will save `a_<suffix>_<random_string>.jpg`
# but nothing in the code is aware about this `<random_string>
try:
default_storage.delete(get_path(path, suffix))
except IOError:
pass
default_storage.save(
get_path(path, suffix), ContentFile(nm.read()))
nm.close()
def handle(self, *args, **options):
attachments_qs = Attachment.objects.select_related(
'instance', 'instance__xform')
if options.get('username'):
username = options.get('username')
try:
user = User.objects.get(username=username)
except User.DoesNotExist:
raise CommandError(
"Error: username %(username)s does not exist" %
{'username': username})
attachments_qs = attachments_qs.filter(instance__user=user)
if options.get('id_string'):
id_string = options.get('id_string')
try:
xform = XForm.objects.get(id_string=id_string)
except XForm.DoesNotExist:
raise CommandError(
"Error: Form with id_string %(id_string)s does not exist" %
{'id_string': id_string})
attachments_qs = attachments_qs.filter(instance__xform=xform)
fs = get_storage_class('django.core.files.storage.FileSystemStorage')()
for att in queryset_iterator(attachments_qs):
filename = att.media_file.name
default_storage = get_storage_class()()
full_path = get_path(filename,
settings.THUMB_CONF['small']['suffix'])
if options.get('force') is not None:
for s in ['small', 'medium', 'large']:
fp = get_path(filename, settings.THUMB_CONF[s]['suffix'])
if default_storage.exists(fp):
default_storage.delete(fp)
if not default_storage.exists(full_path):
try:
if default_storage.__class__ != fs.__class__:
resize(filename, att.extension)
else:
resize_local_env(filename, att.extension)
path = get_path(filename,
'%s' % THUMB_CONF['small']['suffix'])
if default_storage.exists(path):
self.stdout.write(
_(u'Thumbnails created for %(file)s') %
{'file': filename})
else:
self.stdout.write(
_(u'Problem with the file %(file)s') %
{'file': filename})
except (IOError, OSError) as e:
self.stderr.write(
_(u'Error on %(filename)s: %(error)s') % {
'filename': filename,
'error': e
})
def handle(self, *args, **kwargs):
attachments_qs = Attachment.objects.select_related(
'instance', 'instance__xform')
if kwargs.get('username'):
username = kwargs.get('username')
try:
user = User.objects.get(username=username)
except User.DoesNotExist:
raise CommandError(
"Error: username %(username)s does not exist" %
{'username': username})
attachments_qs = attachments_qs.filter(instance__user=user)
if kwargs.get('id_string'):
id_string = kwargs.get('id_string')
try:
xform = XForm.objects.get(id_string=id_string)
except XForm.DoesNotExist:
raise CommandError(
"Error: Form with id_string %(id_string)s does not exist" %
{'id_string': id_string})
attachments_qs = attachments_qs.filter(instance__xform=xform)
for att in queryset_iterator(attachments_qs):
filename = att.media_file.name
default_storage = get_storage_class()()
full_path = get_path(filename,
settings.THUMB_CONF['small']['suffix'])
if kwargs.get('force') is not None:
for s in settings.THUMB_CONF.keys():
fp = get_path(filename, settings.THUMB_CONF[s]['suffix'])
if default_storage.exists(fp):
default_storage.delete(fp)
if not default_storage.exists(full_path):
try:
resize(filename)
if default_storage.exists(
get_path(
filename, '%s' %
settings.THUMB_CONF['small']['suffix'])):
print(
_('Thumbnails created for %(file)s') %
{'file': filename})
else:
print(
_('Problem with the file %(file)s') %
{'file': filename})
except (IOError, OSError), e:
print(
_('Error on %(filename)s: %(error)s') % {
'filename': filename,
'error': e
})
def handle(self, *args, **options):
attachments_qs = Attachment.objects.select_related(
'instance', 'instance__xform')
if options.get('username'):
username = options.get('username')
try:
user = User.objects.get(username=username)
except User.DoesNotExist:
raise CommandError(
"Error: username %(username)s does not exist" %
{'username': username})
attachments_qs = attachments_qs.filter(instance__user=user)
if options.get('id_string'):
id_string = options.get('id_string')
try:
xform = XForm.objects.get(id_string=id_string)
except XForm.DoesNotExist:
raise CommandError(
"Error: Form with id_string %(id_string)s does not exist" %
{'id_string': id_string})
attachments_qs = attachments_qs.filter(instance__xform=xform)
fs = get_storage_class('django.core.files.storage.FileSystemStorage')()
for att in queryset_iterator(attachments_qs):
filename = att.media_file.name
default_storage = get_storage_class()()
full_path = get_path(filename,
settings.THUMB_CONF['small']['suffix'])
if options.get('force') is not None:
for s in ['small', 'medium', 'large']:
fp = get_path(filename, settings.THUMB_CONF[s]['suffix'])
if default_storage.exists(fp):
default_storage.delete(fp)
if not default_storage.exists(full_path):
try:
if default_storage.__class__ != fs.__class__:
resize(filename, att.extension)
else:
resize_local_env(filename, att.extension)
path = get_path(
filename, '%s' % THUMB_CONF['small']['suffix'])
if default_storage.exists(path):
self.stdout.write(
_(u'Thumbnails created for %(file)s') %
{'file': filename})
else:
self.stdout.write(
_(u'Problem with the file %(file)s') %
{'file': filename})
except (IOError, OSError) as e:
self.stderr.write(_(
u'Error on %(filename)s: %(error)s')
% {'filename': filename, 'error': e})
def get_attachment_data(attachment, suffix):
if suffix in list(settings.THUMB_CONF):
image_url(attachment, suffix)
suffix = settings.THUMB_CONF.get(suffix).get('suffix')
f = default_storage.open(get_path(attachment.media_file.name, suffix))
data = f.read()
else:
data = attachment.media_file.read()
return data
def get_attachment_data(attachment, suffix):
if suffix in settings.THUMB_CONF.keys():
image_url(attachment, suffix)
suffix = settings.THUMB_CONF.get(suffix).get('suffix')
f = default_storage.open(
get_path(attachment.media_file.name, suffix))
data = f.read()
else:
data = attachment.media_file.read()
return data
def _save_thumbnails(image, path, size, suffix):
nm = NamedTemporaryFile(suffix='.%s' % settings.IMG_FILE_TYPE)
default_storage = get_storage_class()()
try:
# Ensure conversion to float in operations
image.thumbnail(get_dimensions(image.size, float(size)),
Image.ANTIALIAS)
except ZeroDivisionError:
pass
image.save(nm.name)
default_storage.save(get_path(path, suffix), ContentFile(nm.read()))
nm.close()
def _save_thumbnails(image, path, size, suffix):
nm = NamedTemporaryFile(suffix='.%s' % settings.IMG_FILE_TYPE)
default_storage = get_storage_class()()
try:
# Ensure conversion to float in operations
image.thumbnail(
get_dimensions(image.size, float(size)), Image.ANTIALIAS)
except ZeroDivisionError:
pass
image.save(nm.name)
default_storage.save(
get_path(path, suffix), ContentFile(nm.read()))
nm.close()
def image_url(attachment, suffix):
"""
Return url of an image given size(@param suffix)
e.g large, medium, small, or generate required thumbnail
"""
url = attachment.media_file.url
if suffix == 'original':
return url
else:
default_storage = get_storage_class()()
if suffix in settings.THUMB_CONF:
size = settings.THUMB_CONF[suffix]['suffix']
filename = attachment.media_file.name
if default_storage.exists(filename):
if default_storage.exists(get_path(filename, size)) and \
default_storage.size(get_path(filename, size)) > 0:
url = default_storage.url(get_path(filename, size))
else:
resize(filename)
return image_url(attachment, suffix)
else:
return None
return url
def _save_thumbnails(image, path, size, suffix):
nm = NamedTemporaryFile(suffix='.%s' % settings.IMG_FILE_TYPE)
default_storage = get_storage_class()()
try:
# Ensure conversion to float in operations
image.thumbnail(get_dimensions(image.size, float(size)),
Image.ANTIALIAS)
except ZeroDivisionError:
pass
try:
image.save(nm.name)
except IOError:
# e.g. `IOError: cannot write mode P as JPEG`, which gets raised when
# someone uploads an image in an indexed-color format like GIF
image.convert('RGB').save(nm.name)
default_storage.save(get_path(path, suffix), ContentFile(nm.read()))
nm.close()
def _save_thumbnails(image, path, size, suffix):
nm = NamedTemporaryFile(suffix='.%s' % settings.IMG_FILE_TYPE)
default_storage = get_storage_class()()
try:
# Ensure conversion to float in operations
image.thumbnail(
get_dimensions(image.size, float(size)), Image.ANTIALIAS)
except ZeroDivisionError:
pass
try:
image.save(nm.name)
except IOError:
# e.g. `IOError: cannot write mode P as JPEG`, which gets raised when
# someone uploads an image in an indexed-color format like GIF
image.convert('RGB').save(nm.name)
default_storage.save(
get_path(path, suffix), ContentFile(nm.read()))
nm.close()
