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https://github.com/TauricResearch/TradingAgents.git
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Yijia-Xiao
f197e09dcc
- the Yahoo vendor owns get_company_profile and get_closes; agent_utils and the graph no longer import yfinance - a test keeps vendor libraries inside dataflows
36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
"""Only the data layer imports vendor libraries.
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Vendor calls belong in dataflows, where failures are raised as VendorError
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subclasses; a call made elsewhere can report an outage as a fact about the market.
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"""
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import ast
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from pathlib import Path
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import pytest
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ROOT = Path(__file__).resolve().parents[1]
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VENDOR_LIBRARIES = {"yfinance"}
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def _imports(path: Path) -> set[str]:
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names = set()
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for node in ast.walk(ast.parse(path.read_text(encoding="utf-8"))):
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if isinstance(node, ast.Import):
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names |= {a.name.split(".")[0] for a in node.names}
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elif isinstance(node, ast.ImportFrom) and node.module and not node.level:
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names.add(node.module.split(".")[0])
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return names
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@pytest.mark.unit
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def test_vendor_libraries_are_imported_only_by_the_data_layer():
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data_layer = ROOT / "tradingagents" / "dataflows"
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offenders = sorted(
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str(path.relative_to(ROOT))
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for package in ("tradingagents", "cli")
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for path in (ROOT / package).rglob("*.py")
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if data_layer not in path.parents and _imports(path) & VENDOR_LIBRARIES
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)
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assert offenders == []
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