Function getpreferredencoding

awscli/compat.py:184–198

Use AWS_CLI_FILE_ENCODING environment variable value as encoding, if it's not set use locale.getpreferredencoding() to find the preferred encoding.

(*args, **kwargs)

def getpreferredencoding(*args, **kwargs):
    """Use AWS_CLI_FILE_ENCODING environment variable value as encoding,
    if it's not set use locale.getpreferredencoding()
    to find the preferred encoding.
    """
    if 'AWS_CLI_FILE_ENCODING' in os.environ:
        return os.environ['AWS_CLI_FILE_ENCODING']
    # in Python 3.8 PyConfig API has been changed but pyInstaller only
    # partially supports these changes, one thing it doesn't support is
    # auto-conversion POSIX locale to UTF-8 which is part of PEP-540
    # so we have to implement this conversion on our side
    lc_type = locale.setlocale(locale.LC_CTYPE)
    if lc_type in ('C', 'POSIX'):
        return 'UTF-8'
    return locale.getpreferredencoding(*args, **kwargs)


def compat_open(filename, mode='r', encoding=None, access_permissions=None):