comparison setup.py @ 44874:4c53c12b92d5

setup: require a Python version with modern SSL features

This increases the minimum security baseline of Mercurial and enables us to
remove compatibility code for supporting older, less secure Python versions.

44873:47b3c8383cc1

Python {py} detected.
{pip}
""".format(
        py=sys.version_info, pip=pip_message
    )
    printf(error, file=sys.stderr)
    sys.exit(1)

if sys.version_info[0] >= 3:
    DYLIB_SUFFIX = sysconfig.get_config_vars()['EXT_SUFFIX']

44874:4c53c12b92d5

Python {py} detected.
{pip}
""".format(
        py=sys.version_info, pip=pip_message
    )
    printf(error, file=sys.stderr)
    sys.exit(1)

import ssl

try:
    ssl.SSLContext
except AttributeError:
    error = """
The `ssl` module does not have the `SSLContext` class. This indicates an old
Python version which does not support modern security features (which were
added to Python 2.7 as part of "PEP 466"). Please make sure you have installed
at least Python 2.7.9 or a Python version with backports of these security
features.
"""
    printf(error, file=sys.stderr)
    sys.exit(1)

if sys.version_info[0] >= 3:
    DYLIB_SUFFIX = sysconfig.get_config_vars()['EXT_SUFFIX']