def render(self, context):
try:
# If size is not an int, then it's a Variable, so try to resolve it.
if not isinstance(self.size, int):
self.size = int(self.size.resolve(context))
self.user = self.get_user(context)
except Exception as e:
print(e)
return '' # just die...
if self.size > _settings.DEFAULT_AVATAR_WIDTH:
return '' # unacceptable
profile = self.get_profile()
if not profile:
return ''
# Avatar's heaven, where all the avatars go.
avatars_root = path.join(_settings.AVATARS_DIR,
slugify(self.user.username))
file_root, file_name, defaulting = self.get_file(profile)
if defaulting:
file_root = _settings.AVATARS_DIR
if self.size_equals():
return self.as_url(path.join(file_root, file_name))
file_path = path.join(file_root, file_name)
# I don't return the default because I have to resize it.
if not defaulting:
if path.exists(file_path) and self.size_equals(file_path):
return self.as_url(file_path)
else:
if not profile.avatar:
file_root = _settings.AVATARS_DIR
file_path = path.join(file_root, _settings.DEFAULT_AVATAR)
# Oops, I din't find it, let's try to generate it.
if path.exists(file_path):
orig_file = Image(file_path)
dest_root = path.join(avatars_root, str(self.size))
try:
makedirs(dest_root)
except Exception as e:
print(e)
# Save the new path for later...
dest_path = path.join(dest_root, file_name)
else:
# Did my best...
return '' # fail silently
orig_file.scale(self.size)
if orig_file.write(dest_path):
return self.as_url(dest_path)
else:
print('=== ERROR ===')
return '' # damn! Close but no cigar...
def get_for_resolution(self, resolution):
from os import path, makedirs
from math import ceil
dest_width, dest_height = [int(side) for side in resolution.split('x')]
# /path/to/directory
file_root = self.file[:self.file.rfind('/')]
# filename.ext
file_name = self.file[self.file.rfind('/') + 1:]
# /path/to/directory/1280x800
dest_root = path.join(file_root, resolution)
# /path/to/directory/1280x800/filename.ext
dest_path = path.join(dest_root, file_name)
if not path.exists(dest_path):
if not path.exists(dest_root):
makedirs(dest_root)
file_orig = Image(self.file)
if self.width != dest_width or self.height != dest_height:
rule_width = round(
(float(dest_width)*float(100))/float(self.width))
rule_height = round(
(float(dest_height)*float(100))/float(self.height))
temp_width, temp_height = dest_width, dest_height
if rule_height > rule_width:
# TODO:
# TODO: Testear caso en que ancho sea flotante.
temp_width = (rule_height*self.width)/100
file_orig.scale(temp_width, dest_height)
else:
temp_height = (rule_width*self.height)/100
file_orig.scale(dest_width)
if rule_width != rule_height:
x_offset = str((temp_width-dest_width)/2)
y_offset = str((temp_height-dest_height)/2)
file_orig.crop(str(resolution)+'+'+x_offset+'+'+y_offset)
wmark_file = settings.WATERMARK_FILE
wmark = Image(wmark_file)
if wmark.size().width() > dest_width and dest_width > 200:
wmark_file = wmark_file[:wmark_file.rfind('.')] + '-small' + \
wmark_file[wmark_file.rfind('.'):]
# FIXME:
# FIXME: La marca de agua no se ve en sistemas que implementan
# FIXME: barras de herramientas inferiores. Hay que colocarla unos
# FIXME: 50px mas arriba.
# file_orig.watermark(wmark_file)
file_orig.comment(settings.COMMENT)
file_orig.write(dest_path)
return dest_path
file_root = _settings.AVATARS_DIR
file_path = path.join(file_root, _settings.DEFAULT_AVATAR)
# Oops, I din't find it, let's try to generate it.
if path.exists(file_path):
orig_file = Image(file_path)
dest_root = path.join(avatars_root, str(self.size))
try:
makedirs(dest_root)
except Exception, e:
print e
# Save the new path for later...
dest_path = path.join(dest_root, file_name)
else:
# Did my best...
return '' # fail silently
orig_file.scale(self.size)
if orig_file.write(dest_path):
return self.as_url(dest_path)
else:
print '=== ERROR ==='
return '' # damn! Close but no cigar...
@register.tag('avatar')
def Thumbnail(parser, token):
bits = token.contents.split()
username = None
if len(bits) > 3:
raise TemplateSyntaxError(u_(u"You have to provide only the size as \
an integer (both sides will be equal) and optionally, the \
username."))
