Generate information for a bug report.

def info():
    """Generate information for a bug report."""
    try:
        platform_info = {
            'system': platform.system(),
            'release': platform.release(),
        }
    except IOError:
        platform_info = {
            'system': 'Unknown',
            'release': 'Unknown',
        }

    implementation_info = _implementation()
    urllib3_info = {'version': urllib3.__version__}
    chardet_info = {'version': chardet.__version__}

    pyopenssl_info = {
        'version': None,
        'openssl_version': '',
    }
    if OpenSSL:
        pyopenssl_info = {
            'version': OpenSSL.__version__,
            'openssl_version': '%x' % OpenSSL.SSL.OPENSSL_VERSION_NUMBER,
        }
    cryptography_info = {
        'version': getattr(cryptography, '__version__', ''),
    }
    idna_info = {
        'version': getattr(idna, '__version__', ''),
    }

    system_ssl = ssl.OPENSSL_VERSION_NUMBER
    system_ssl_info = {
        'version': '%x' % system_ssl if system_ssl is not None else ''
    }

    return {
        'platform': platform_info,
        'implementation': implementation_info,
        'system_ssl': system_ssl_info,
        'using_pyopenssl': pyopenssl is not None,
        'pyOpenSSL': pyopenssl_info,
        'urllib3': urllib3_info,
        'chardet': chardet_info,
        'cryptography': cryptography_info,
        'idna': idna_info,
        'requests': {
            'version': requests_version,
        },
    }