19 lines
637 B
Python
19 lines
637 B
Python
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from pathlib import Path
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from .graph.manifest import WritableManifest
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from typing import Optional
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from dbt.exceptions import IncompatibleSchemaException
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class PreviousState:
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def __init__(self, path: Path):
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self.path: Path = path
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self.manifest: Optional[WritableManifest] = None
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manifest_path = self.path / 'manifest.json'
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if manifest_path.exists() and manifest_path.is_file():
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try:
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self.manifest = WritableManifest.read(str(manifest_path))
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except IncompatibleSchemaException as exc:
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exc.add_filename(str(manifest_path))
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raise
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