44 строки
1.5 KiB
Python
44 строки
1.5 KiB
Python
"""Table explore type."""
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from __future__ import annotations
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from pathlib import Path
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from typing import Any, Dict, Iterator, List, Optional
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from ..views import TableView, View
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from . import Explore
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ALLOWED_VIEWS = {"events_stream_table"}
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class TableExplore(Explore):
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"""A table explore."""
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type: str = "table_explore"
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def _to_lookml(self, v1_name: Optional[str]) -> List[Dict[str, Any]]:
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"""Generate LookML to represent this explore."""
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explore_lookml: Dict[str, Any] = {
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"name": self.name,
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"view_name": self.views["base_view"],
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"joins": self.get_unnested_fields_joins_lookml(),
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}
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if required_filters := self.get_required_filters("base_view"):
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explore_lookml["always_filter"] = {
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"filters": required_filters,
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}
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return [explore_lookml]
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@staticmethod
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def from_views(views: List[View]) -> Iterator[TableExplore]:
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"""Don't generate all possible TableExplores from the views, only generate for ALLOWED_VIEWS."""
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for view in views:
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if view.view_type == TableView.type:
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if view.name in ALLOWED_VIEWS:
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yield TableExplore(view.name, {"base_view": view.name})
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@staticmethod
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def from_dict(name: str, defn: dict, views_path: Path) -> TableExplore:
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"""Get an instance of this explore from a name and dictionary definition."""
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return TableExplore(name, defn["views"], views_path)
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