���U� � @ sS d d l m Z e � Z d d d � Z d d � Z d d � Z d d
d � Z d S) � )�localFc C sF y t t d � d SWn* t t f k
rA | s= t d � � Yn Xd S)a� Returns the current click context. This can be used as a way to
access the current context object from anywhere. This is a more implicit
alternative to the :func:`pass_context` decorator. This function is
primarily useful for helpers such as :func:`echo` which might be
interested in changing it's behavior based on the current context.
To push the current context, :meth:`Context.scope` can be used.
.. versionadded:: 5.0
:param silent: is set to `True` the return value is `None` if no context
is available. The default behavior is to raise a
:exc:`RuntimeError`.
�stack� z!There is no active click context.N���)�getattr�_local�AttributeError�
IndexError� RuntimeError)�silent� r � /globals.py�get_current_context s
r c C s t j j d g � j | � d S)z*Pushes a new context to the current stack.r N)r �__dict__�
setdefault�append)�ctxr r r
� push_context s r c C s t j j � d S)z%Removes the top level from the stack.N)r r �popr r r r
� pop_context" s r Nc C s6 | d k r | St d d � } | d k r2 | j Sd S)z�"Internal helper to get the default value of the color flag. If a
value is passed it's returned unchanged, otherwise it's looked up from
the current context.
Nr T)r �color)r r r r r
�resolve_color_default' s
r )� threadingr r r r r r r r r r
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