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- # Copyright (c) 2025-2026 Buf Technologies, Inc.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- from __future__ import annotations
- from datetime import datetime, timedelta, timezone
- SECOND_AS_NANOS = 1_000_000_000
- """One second as nano seconds."""
- DURATION_SECONDS_MAX = 315_576_000_000
- """Maximum/minimum seconds for Duration and Timestamp (representing +/-10,000 years)."""
- NANOS_PER_SECOND_MAX = 999_999_999
- """Maximum nanosecond value within a second."""
- EPOCH_DATETIME = datetime(1970, 1, 1, tzinfo=timezone.utc)
- """Epoch represented in datetime."""
- MICROSECOND_DELTA = timedelta(microseconds=1)
- """One microsecond represented in timedelta."""
- MAX_NANOS = 253_402_300_799_999_999_000
- """Largest legal value for nanoseconds"""
- MIN_NANOS = -62_135_596_800_000_000_000
- """Smallest legal value for nanoseconds"""
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