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gilles soulier
2026-01-18 12:23:01 +01:00
parent ef3d0ed970
commit bb1263edb8
86 changed files with 90289 additions and 0 deletions
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backend/app/services/__init__.py Normal file
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"""Services utilitaires côté backend."""

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backend/app/services/__pycache__/__init__.cpython-313.pyc Normal file
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backend/app/services/__pycache__/pricing.cpython-313.pyc Normal file
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backend/app/services/pricing.py Normal file
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from __future__ import annotations
def price_trend(prices: list[float]) -> str:
if not prices:
return "stable"
first, last = prices[0], prices[-1]
if last > first:
return "up"
if last < first:
return "down"
return "stable"