no_ssl_verification.py

import contextlib
import ssl
import warnings
from ssl import _create_unverified_context

import requests
from urllib3.exceptions import InsecureRequestWarning

old_merge_environment_settings = requests.Session.merge_environment_settings


# daqui: https://stackoverflow.com/questions/15445981/how-do-i-disable-the-security-certificate-check-in-python-requests/15445989#15445989

@contextlib.contextmanager
def do_not_verify():
    opened_adapters = set()

    def merge_environment_settings(self, url, proxies, stream, verify, cert):
        # Verification happens only once per connection so we need to close
        # all the opened adapters once we're done. Otherwise, the effects of
        # verify=False persist beyond the end of this context manager.
        opened_adapters.add(self.get_adapter(url))

        settings = old_merge_environment_settings(self, url, proxies, stream, verify, cert)
        settings['verify'] = False

        return settings

    requests.Session.merge_environment_settings = merge_environment_settings

    try:
        with warnings.catch_warnings():
            warnings.simplefilter('ignore', InsecureRequestWarning)
            yield
    finally:
        requests.Session.merge_environment_settings = old_merge_environment_settings

        for adapter in opened_adapters:
            try:
                adapter.close()
            except:
                pass


# e tb daqui : https://www.python.org/dev/peps/pep-0476/#opting-out
    try:
        _create_unverified_https_context = _create_unverified_context
    except AttributeError:
        # Legacy Python that doesn't verify HTTPS certificates by default
        pass
    else:
        # Handle target environment that doesn't support HTTPS verification
        ssl._create_default_https_context = _create_unverified_https_context