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import re
from pelican import signals
from bs4 import BeautifulSoup
def inject_img_class (contentObj):
if contentObj._content:
soup = BeautifulSoup(contentObj._content, "html.parser")
for img in soup.find_all('img'):
if not 'class' in img:
img['class'] = 'image-process-thumb'
contentObj._content = str(soup)
def register():
signals.content_object_init.connect(inject_img_class)