44 lines
1.6 KiB
Python
44 lines
1.6 KiB
Python
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"""
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This file contains definitions for a MEOW rule connecting the FileEventPattern
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and JupyterNotebookRecipe.
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Author(s): David Marchant
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"""
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from core.base_rule import BaseRule
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from core.correctness.validation import check_type
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from patterns.file_event_pattern import FileEventPattern
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from recipes.jupyter_notebook_recipe import JupyterNotebookRecipe
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# TODO potentailly remove this and just invoke BaseRule directly, as does not
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# add any functionality other than some validation.
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class FileEventJupyterNotebookRule(BaseRule):
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pattern_type = "FileEventPattern"
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recipe_type = "JupyterNotebookRecipe"
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def __init__(self, name: str, pattern:FileEventPattern,
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recipe:JupyterNotebookRecipe):
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super().__init__(name, pattern, recipe)
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if pattern.recipe != recipe.name:
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raise ValueError(f"Cannot create Rule {name}. Pattern "
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f"{pattern.name} does not identify Recipe {recipe.name}. It "
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f"uses {pattern.recipe}")
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def _is_valid_pattern(self, pattern:FileEventPattern)->None:
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"""Validation check for 'pattern' variable from main constructor. Is
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automatically called during initialisation."""
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check_type(
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pattern,
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FileEventPattern,
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hint="FileEventJupyterNotebookRule.pattern"
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)
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def _is_valid_recipe(self, recipe:JupyterNotebookRecipe)->None:
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"""Validation check for 'recipe' variable from main constructor. Is
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automatically called during initialisation."""
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check_type(
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recipe,
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JupyterNotebookRecipe,
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hint="FileEventJupyterNotebookRule.recipe"
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)
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