# Path: twitter-winner/oauthlib/oauth2/rfc6749/errors.py
# def raise_from_error(error, params=None):
#     import inspect
#     import sys
#     kwargs = {
#         'description': params.get('error_description'),
#         'uri': params.get('error_uri'),
#         'state': params.get('state')
#     }
#     for _, cls in  inspect.getmembers(sys.modules[__name__], inspect.isclass):
#         if cls.error == error:
#             raise cls(**kwargs)
# 
# class MissingTokenError(OAuth2Error):
#     error = 'missing_token'
# 
# class MissingTokenTypeError(OAuth2Error):
#     error = 'missing_token_type'
# 
# Path: twitter-winner/oauthlib/oauth2/rfc6749/errors.py
# class MismatchingStateError(OAuth2Error):
#     error = 'mismatching_state'
#     description = 'CSRF Warning! State not equal in request and response.'
# 
# class MissingCodeError(OAuth2Error):
#     error = 'missing_code'
# 
# Path: twitter-winner/oauthlib/oauth2/rfc6749/errors.py
# class InsecureTransportError(OAuth2Error):
#     error = 'insecure_transport'
#     description = 'OAuth 2 MUST utilize https.'
# 
# Path: twitter-winner/oauthlib/oauth2/rfc6749/utils.py
# def list_to_scope(scope):
#     """Convert a list of scopes to a space separated string."""
#     if isinstance(scope, unicode_type) or scope is None:
#         return scope
#     elif isinstance(scope, list):
#         return " ".join([unicode_type(s) for s in scope])
#     else:
#         raise ValueError("Invalid scope, must be string or list.")
# 
# def scope_to_list(scope):
#     """Convert a space separated string to a list of scopes."""
#     if isinstance(scope, list):
#         return [unicode_type(s) for s in scope]
#     elif scope is None:
#         return None
#     else:
#         return scope.split(" ")
# 
# def is_secure_transport(uri):
#     """Check if the uri is over ssl."""
#     if os.environ.get('OAUTHLIB_INSECURE_TRANSPORT'):
#         return True
#     return uri.lower().startswith('https://')


import json
import time
    import urlparse
    import urllib.parse as urlparse
from oauthlib.common import add_params_to_uri, add_params_to_qs, unicode_type
from .errors import raise_from_error, MissingTokenError, MissingTokenTypeError
from .errors import MismatchingStateError, MissingCodeError
from .errors import InsecureTransportError
from .utils import list_to_scope, scope_to_list, is_secure_transport

def prepare_token_request(grant_type, body='', **kwargs):
    """Prepare the access token request.

    The client makes a request to the token endpoint by adding the
    following parameters using the ``application/x-www-form-urlencoded``
    format in the HTTP request entity-body:

    :param grant_type: To indicate grant type being used, i.e. "password",
            "authorization_code" or "client_credentials".
    :param body: Existing request body to embed parameters in.
    :param code: If using authorization code grant, pass the previously
                 obtained authorization code as the ``code`` argument.
    :param redirect_uri: If the "redirect_uri" parameter was included in the
                         authorization request as described in
                         `Section 4.1.1`_, and their values MUST be identical.
    :param kwargs: Extra arguments to embed in the request body.

    An example of an authorization code token request body:

    .. code-block:: http

        grant_type=authorization_code&code=SplxlOBeZQQYbYS6WxSbIA
        &redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fcb

    .. _`Section 4.1.1`: http://tools.ietf.org/html/rfc6749#section-4.1.1
    """
    params = [('grant_type', grant_type)]

    if 'scope' in kwargs:

# Path: twitter-winner/oauthlib/oauth2/rfc6749/errors.py
# def raise_from_error(error, params=None):
#     import inspect
#     import sys
#     kwargs = {
#         'description': params.get('error_description'),
#         'uri': params.get('error_uri'),
#         'state': params.get('state')
#     }
#     for _, cls in  inspect.getmembers(sys.modules[__name__], inspect.isclass):
#         if cls.error == error:
#             raise cls(**kwargs)
# 
# class MissingTokenError(OAuth2Error):
#     error = 'missing_token'
# 
# class MissingTokenTypeError(OAuth2Error):
#     error = 'missing_token_type'
# 
# Path: twitter-winner/oauthlib/oauth2/rfc6749/errors.py
# class MismatchingStateError(OAuth2Error):
#     error = 'mismatching_state'
#     description = 'CSRF Warning! State not equal in request and response.'
# 
# class MissingCodeError(OAuth2Error):
#     error = 'missing_code'
# 
# Path: twitter-winner/oauthlib/oauth2/rfc6749/errors.py
# class InsecureTransportError(OAuth2Error):
#     error = 'insecure_transport'
#     description = 'OAuth 2 MUST utilize https.'
# 
# Path: twitter-winner/oauthlib/oauth2/rfc6749/utils.py
# def list_to_scope(scope):
#     """Convert a list of scopes to a space separated string."""
#     if isinstance(scope, unicode_type) or scope is None:
#         return scope
#     elif isinstance(scope, list):
#         return " ".join([unicode_type(s) for s in scope])
#     else:
#         raise ValueError("Invalid scope, must be string or list.")
# 
# def scope_to_list(scope):
#     """Convert a space separated string to a list of scopes."""
#     if isinstance(scope, list):
#         return [unicode_type(s) for s in scope]
#     elif scope is None:
#         return None
#     else:
#         return scope.split(" ")
# 
# def is_secure_transport(uri):
#     """Check if the uri is over ssl."""
#     if os.environ.get('OAUTHLIB_INSECURE_TRANSPORT'):
#         return True
#     return uri.lower().startswith('https://')


# Path: twitter-winner/oauthlib/oauth2/rfc6749/parameters.py
import json
import time
    import urlparse
    import urllib.parse as urlparse
from oauthlib.common import add_params_to_uri, add_params_to_qs, unicode_type
from .errors import raise_from_error, MissingTokenError, MissingTokenTypeError
from .errors import MismatchingStateError, MissingCodeError
from .errors import InsecureTransportError
from .utils import list_to_scope, scope_to_list, is_secure_transport


def prepare_token_request(grant_type, body='', **kwargs):
    """Prepare the access token request.

    The client makes a request to the token endpoint by adding the
    following parameters using the ``application/x-www-form-urlencoded``
    format in the HTTP request entity-body:

    :param grant_type: To indicate grant type being used, i.e. "password",
            "authorization_code" or "client_credentials".
    :param body: Existing request body to embed parameters in.
    :param code: If using authorization code grant, pass the previously
                 obtained authorization code as the ``code`` argument.
    :param redirect_uri: If the "redirect_uri" parameter was included in the
                         authorization request as described in
                         `Section 4.1.1`_, and their values MUST be identical.
    :param kwargs: Extra arguments to embed in the request body.

    An example of an authorization code token request body:

    .. code-block:: http

        grant_type=authorization_code&code=SplxlOBeZQQYbYS6WxSbIA
        &redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fcb

    .. _`Section 4.1.1`: http://tools.ietf.org/html/rfc6749#section-4.1.1
    """
    params = [('grant_type', grant_type)]

    if 'scope' in kwargs:

        kwargs['scope'] = list_to_scope(kwargs['scope'])