38 lines
1.0 KiB
Python
38 lines
1.0 KiB
Python
"""Lightweight helpers for accessing fields on mixed pipeline objects.
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This intentionally avoids importing cmdlet modules so it can be used from
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providers and core pipeline code without pulling in the full cmdlet stack.
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"""
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from __future__ import annotations
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from typing import Any, Optional
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def get_field(obj: Any, field: str, default: Optional[Any] = None) -> Any:
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"""Extract a field from either a dict or object with fallback default.
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- Supports dict.get(field)
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- Supports getattr(obj, field)
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- If obj is a list, uses the first element
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- If obj has `.extra` dict (PipeObject pattern), also checks extra[field]
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"""
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if isinstance(obj, list):
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if not obj:
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return default
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obj = obj[0]
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if isinstance(obj, dict):
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return obj.get(field, default)
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value = getattr(obj, field, None)
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if value is not None:
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return value
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extra_val = getattr(obj, "extra", None)
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if isinstance(extra_val, dict):
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return extra_val.get(field, default)
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return default
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