93 lines
2.9 KiB
Python
93 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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common prompt functionality
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"""
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import sys
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from libs.prompt_toolkit.validation import Validator, ValidationError
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from libs.prompt_toolkit.styles import style_from_dict
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from libs.prompt_toolkit.token import Token
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from libs.prompt_toolkit.mouse_events import MouseEventTypes
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PY3 = sys.version_info[0] >= 3
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if PY3:
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basestring = str
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def if_mousedown(handler):
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def handle_if_mouse_down(cli, mouse_event):
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if mouse_event.event_type == MouseEventTypes.MOUSE_DOWN:
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return handler(cli, mouse_event)
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else:
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return NotImplemented
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return handle_if_mouse_down
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# TODO probably better to use base.Condition
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def setup_validator(kwargs):
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# this is an internal helper not meant for public consumption!
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# note this works on a dictionary
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validate_prompt = kwargs.pop('validate', None)
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if validate_prompt:
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if issubclass(validate_prompt, Validator):
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kwargs['validator'] = validate_prompt()
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elif callable(validate_prompt):
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class _InputValidator(Validator):
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def validate(self, document):
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#print('validation!!')
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verdict = validate_prompt(document.text)
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if isinstance(verdict, basestring):
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raise ValidationError(
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message=verdict,
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cursor_position=len(document.text))
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elif verdict is not True:
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raise ValidationError(
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message='invalid input',
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cursor_position=len(document.text))
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kwargs['validator'] = _InputValidator()
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return kwargs['validator']
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def setup_simple_validator(kwargs):
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# this is an internal helper not meant for public consumption!
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# note this works on a dictionary
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# this validates the answer not a buffer
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# TODO
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# not sure yet how to deal with the validation result:
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# https://github.com/jonathanslenders/python-prompt-toolkit/issues/430
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validate = kwargs.pop('validate', None)
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if validate is None:
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def _always(answer):
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return True
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return _always
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elif not callable(validate):
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raise ValueError('Here a simple validate function is expected, no class')
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def _validator(answer):
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verdict = validate(answer)
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if isinstance(verdict, basestring):
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raise ValidationError(
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message=verdict
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)
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elif verdict is not True:
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raise ValidationError(
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message='invalid input'
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)
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return _validator
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# FIXME style defaults on detail level
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default_style = style_from_dict({
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Token.Separator: '#6C6C6C',
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Token.QuestionMark: '#5F819D',
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Token.Selected: '', # default
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Token.Pointer: '#FF9D00 bold', # AWS orange
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Token.Instruction: '', # default
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Token.Answer: '#FF9D00 bold', # AWS orange
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Token.Question: 'bold',
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})
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