# Path: airy/utils/functional.py
# class Promise(object):
#     """
#     This is just a base class for the proxy class created in
#     the closure of the lazy function. It can be used to recognize
#     promises in code.
#     """
#     pass


import types
import urllib
import locale
import datetime
import codecs
from decimal import Decimal
from airy.utils.functional import Promise
                    # approximation to what the Exception's standard str()
                    # output should be.
                    s = ' '.join([force_unicode(arg, encoding, strings_only,
                            errors) for arg in s])
        elif not isinstance(s, unicode):
            # Note: We use .decode() here, instead of unicode(s, encoding,
            # errors), so that if s is a SafeString, it ends up being a
            # SafeUnicode at the end.
            s = s.decode(encoding, errors)
    except UnicodeDecodeError, e:
        if not isinstance(s, Exception):
            raise DjangoUnicodeDecodeError(s, *e.args)
        else:
            # If we get to here, the caller has passed in an Exception
            # subclass populated with non-ASCII bytestring data without a
            # working unicode method. Try to handle this without raising a
            # further exception by individually forcing the exception args
            # to unicode.
            s = ' '.join([force_unicode(arg, encoding, strings_only,
                    errors) for arg in s])
    return s

def smart_str(s, encoding='utf-8', strings_only=False, errors='strict'):
    """
    Returns a bytestring version of 's', encoded as specified in 'encoding'.

    If strings_only is True, don't convert (some) non-string-like objects.
    """
    if strings_only and isinstance(s, (types.NoneType, int)):
        return s

# Path: airy/utils/functional.py
# class Promise(object):
#     """
#     This is just a base class for the proxy class created in
#     the closure of the lazy function. It can be used to recognize
#     promises in code.
#     """
#     pass


# Path: airy/utils/encoding.py
import types
import urllib
import locale
import datetime
import codecs
from decimal import Decimal
from airy.utils.functional import Promise

                    # approximation to what the Exception's standard str()
                    # output should be.
                    s = ' '.join([force_unicode(arg, encoding, strings_only,
                            errors) for arg in s])
        elif not isinstance(s, unicode):
            # Note: We use .decode() here, instead of unicode(s, encoding,
            # errors), so that if s is a SafeString, it ends up being a
            # SafeUnicode at the end.
            s = s.decode(encoding, errors)
    except UnicodeDecodeError, e:
        if not isinstance(s, Exception):
            raise DjangoUnicodeDecodeError(s, *e.args)
        else:
            # If we get to here, the caller has passed in an Exception
            # subclass populated with non-ASCII bytestring data without a
            # working unicode method. Try to handle this without raising a
            # further exception by individually forcing the exception args
            # to unicode.
            s = ' '.join([force_unicode(arg, encoding, strings_only,
                    errors) for arg in s])
    return s

def smart_str(s, encoding='utf-8', strings_only=False, errors='strict'):
    """
    Returns a bytestring version of 's', encoded as specified in 'encoding'.

    If strings_only is True, don't convert (some) non-string-like objects.
    """
    if strings_only and isinstance(s, (types.NoneType, int)):
        return s

    if isinstance(s, Promise):