gen_certificates.py

import rows
from collections import Counter

base_svg = '/path/to/drawing.svg'
base_name = 'Fulano de Tal e Coisa'
participants_table = rows.import_from_csv('/path/to/pyse-participantes.csv')

with open(base_svg) as f:
    svg = f.read()

counter = Counter()

for row in participants_table:
    new_svg = svg.replace(base_name, row.nome)

    # uniquefy filename
    counter.update([row.email])
    filename = '{count}-{email}.svg'.format(
        count=counter[row.email],
        email=(row.cc if row.cc else row.email)
    )

    with open(filename, 'w') as output:
        output.write(new_svg)