def render(self, context):
try:
# This evaluates to a ImageWithThumbsField, as long as the
# user specified a valid model field.
relative_source = Variable(self.source_var).resolve(context)
except VariableDoesNotExist:
if settings.TEMPLATE_DEBUG:
raise VariableDoesNotExist("Variable '%s' does not exist." %
self.source_var)
else:
relative_source = None
try:
requested_name = Variable(self.thumb_name_var).resolve(context)
except VariableDoesNotExist:
if settings.TEMPLATE_DEBUG:
raise TemplateSyntaxError("Name argument '%s' is not a valid thumbnail." % self.thumb_name_var)
else:
requested_name = None
if relative_source is None or requested_name is None:
# Couldn't resolve the given template variable. Fail silently.
thumbnail = ''
else:
# Spaces at the end of sizes is just not OK.
requested_name = requested_name.strip()
# This is typically a athumb.fields.ImageWithThumbsFieldFile object.
try:
# Allow the user to override the protocol in the tag.
force_ssl = self.kwargs.get('force_ssl', False)
# Try to detect SSL mode in the request context. Front-facing
# server or proxy must be passing the correct headers for
# this to work. Also, factor in force_ssl.
ssl_mode = self.is_secure(context) or force_ssl
# Get the URL for the thumbnail from the
# ImageWithThumbsFieldFile object.
try:
thumbnail = relative_source.generate_url(requested_name,
ssl_mode=ssl_mode)
except:
#import traceback
#traceback.print_stack()
print "ERROR: Using {% thumbnail %} tag with "\
"a regular ImageField instead of ImageWithThumbsField:", self.source_var
return ''
except ValueError:
# This file object doesn't actually have a file. Probably
# model field with a None value.
thumbnail = ''
# Return the thumbnail class, or put it on the context
if self.context_name is None:
return thumbnail
# We need to get here so we don't have old values in the context
# variable.
context[self.context_name] = thumbnail
return ''
def render(self, context):
try:
# This evaluates to a ImageWithThumbsField, as long as the
# user specified a valid model field.
relative_source = Variable(self.source_var).resolve(context)
except VariableDoesNotExist:
if settings.TEMPLATE_DEBUG:
raise VariableDoesNotExist("Variable '%s' does not exist." %
self.source_var)
else:
relative_source = None
try:
requested_name = Variable(self.thumb_name_var).resolve(context)
except VariableDoesNotExist:
if settings.TEMPLATE_DEBUG:
raise TemplateSyntaxError("Name argument '%s' is not a valid thumbnail." % self.thumb_name_var)
else:
requested_name = None
if relative_source is None or requested_name is None:
# Couldn't resolve the given template variable. Fail silently.
thumbnail = ''
else:
# Spaces at the end of sizes is just not OK.
requested_name = requested_name.strip()
# This is typically a athumb.fields.ImageWithThumbsFieldFile object.
try:
# Allow the user to override the protocol in the tag.
force_ssl = self.kwargs.get('force_ssl', False)
# Try to detect SSL mode in the request context. Front-facing
# server or proxy must be passing the correct headers for
# this to work. Also, factor in force_ssl.
ssl_mode = self.is_secure(context) or force_ssl
# Get the URL for the thumbnail from the
# ImageWithThumbsFieldFile object.
try:
thumbnail = relative_source.generate_url(requested_name,
ssl_mode=ssl_mode)
except:
#import traceback
#traceback.print_stack()
print "ERROR: Using {% thumbnail %} tag with " \
"a regular ImageField instead of ImageWithThumbsField:", self.source_var
return ''
except ValueError:
# This file object doesn't actually have a file. Probably
# model field with a None value.
thumbnail = ''
# Return the thumbnail class, or put it on the context
if self.context_name is None:
return thumbnail
# We need to get here so we don't have old values in the context
# variable.
context[self.context_name] = thumbnail
return ''
