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"""Constants and functions for data used in interoperability testing."""

import argparse
import os

import pkg_resources

_ROOT_CERTIFICATES_RESOURCE_PATH = 'credentials/ca.pem'
_PRIVATE_KEY_RESOURCE_PATH = 'credentials/server1.key'
_CERTIFICATE_CHAIN_RESOURCE_PATH = 'credentials/server1.pem'


def test_root_certificates():
  return pkg_resources.resource_string(
      __name__, _ROOT_CERTIFICATES_RESOURCE_PATH)


def private_key():
  return pkg_resources.resource_string(__name__, _PRIVATE_KEY_RESOURCE_PATH)


def certificate_chain():
  return pkg_resources.resource_string(
      __name__, _CERTIFICATE_CHAIN_RESOURCE_PATH)


def parse_bool(value):
  if value == 'true':
    return True
  if value == 'false':
    return False
  raise argparse.ArgumentTypeError('Only true/false allowed')