Remove whitespace from rendered Django templates

compact_django.py

import re
REMOVE_PATTERN = re.compile(r'\n\s*\{')

def compact(django_temp):
    with open(django_temp) as f:
        text = f.read()
        
    compacted = re.sub(REMOVE_PATTERN, r'{', text)
    return compacted
    
if __name__ == "__main__":
    import sys
    django_template = sys.argv[1]
    compacted = compact(django_template)
    with open(django_template, 'w') as f:
        f.write(compacted)