example.py

import mwparsefromhell

example = """
{{foo bar baz}}
{{I am a random template}}
{{Marca de projeto|3|Biografias|4|Políticos|4|Brasil|3|WP Offline|2|bot=4/20111127|rev=20170714}}"""

templates = list(mwparserfromhell.parse(example_text).filter_templates())

def from_template(template):
  "Returns an iterator of projects and classes from a template if applicable"
  WP_PREFIX = re.compile("\{\{marca de projeto\|[0-9*]\|([a-z]*\|[0-9*])+\}\}", re.I)
  return wP_PREFIX.sub('', template.name.lower().replace("_", " ")).strip()

for template in templates:
  print(list(from_template(template)))

expected_output.bash

[]
[]
[("Biographias", "4"), ("Políticos", "4"), ("Brasil", "3"), ("WP Offline", "2")]