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PromptBasea� Ask the user for input until a valid response is received. This is the base class, see one of
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Args:
prompt (TextType, optional): Prompt text. Defaults to "".
console (Console, optional): A Console instance or None to use global console. Defaults to None.
password (bool, optional): Enable password input. Defaults to False.
choices (List[str], optional): A list of valid choices. Defaults to None.
case_sensitive (bool, optional): Matching of choices should be case-sensitive. Defaults to True.
show_default (bool, optional): Show default in prompt. Defaults to True.
show_choices (bool, optional): Show choices in prompt. Defaults to True.
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|| d�S )a� Shortcut to construct and run a prompt loop and return the result.
Example:
>>> filename = Prompt.ask("Enter a filename")
Args:
prompt (TextType, optional): Prompt text. Defaults to "".
console (Console, optional): A Console instance or None to use global console. Defaults to None.
password (bool, optional): Enable password input. Defaults to False.
choices (List[str], optional): A list of valid choices. Defaults to None.
case_sensitive (bool, optional): Matching of choices should be case-sensitive. Defaults to True.
show_default (bool, optional): Show default in prompt. Defaults to True.
show_choices (bool, optional): Show choices in prompt. Defaults to True.
stream (TextIO, optional): Optional text file open for reading to get input. Defaults to None.
r% �r1 r0 r ) r3 r+ r& r' r# r( r) r* r1 r0 Z_promptr r r r4 o s � c C s t d|� d�d�S )z�Turn the supplied default in to a Text instance.
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� � �}|S )a Process response from user, convert to prompt type.
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value (str): String typed by user.
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InvalidResponse: If ``value`` is invalid.
Returns:
PromptType: The value to be returned from ask method.
Nc S rH r rI rK r r r rN � rO z/PromptBase.process_response.<locals>.<listcomp>) rP r" �
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��zPromptBase.process_response�errorc C s | j j|dd� dS )z�Called to handle validation error.
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T)ZmarkupN)r& �print)r rG rY r r r �on_validate_error s z PromptBase.on_validate_errorc C s dS )z,Hook to display something before the prompt.Nr r r r r �
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C s� | � � | �|�}| j| j|| j|d�}|dkr |dkr |S z| �|�}W |S ty? } z | �||� W Y d}~q d}~ww )z�Run the prompt loop.
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