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author | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
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committer | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
commit | 4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch) | |
tree | ee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/huggingface_hub/utils/_datetime.py | |
parent | cc961e04ba734dd72309fb548a2f97d67d578813 (diff) | |
download | gn-ai-master.tar.gz |
Diffstat (limited to '.venv/lib/python3.12/site-packages/huggingface_hub/utils/_datetime.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/huggingface_hub/utils/_datetime.py | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/huggingface_hub/utils/_datetime.py b/.venv/lib/python3.12/site-packages/huggingface_hub/utils/_datetime.py new file mode 100644 index 00000000..1a7f4428 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/huggingface_hub/utils/_datetime.py @@ -0,0 +1,67 @@ +# coding=utf-8 +# Copyright 2022-present, the HuggingFace Inc. team. +# +# 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. +"""Contains utilities to handle datetimes in Huggingface Hub.""" + +from datetime import datetime, timezone + + +def parse_datetime(date_string: str) -> datetime: + """ + Parses a date_string returned from the server to a datetime object. + + This parser is a weak-parser is the sense that it handles only a single format of + date_string. It is expected that the server format will never change. The + implementation depends only on the standard lib to avoid an external dependency + (python-dateutil). See full discussion about this decision on PR: + https://github.com/huggingface/huggingface_hub/pull/999. + + Example: + ```py + > parse_datetime('2022-08-19T07:19:38.123Z') + datetime.datetime(2022, 8, 19, 7, 19, 38, 123000, tzinfo=timezone.utc) + ``` + + Args: + date_string (`str`): + A string representing a datetime returned by the Hub server. + String is expected to follow '%Y-%m-%dT%H:%M:%S.%fZ' pattern. + + Returns: + A python datetime object. + + Raises: + :class:`ValueError`: + If `date_string` cannot be parsed. + """ + try: + # Normalize the string to always have 6 digits of fractional seconds + if date_string.endswith("Z"): + # Case 1: No decimal point (e.g., "2024-11-16T00:27:02Z") + if "." not in date_string: + # No fractional seconds - insert .000000 + date_string = date_string[:-1] + ".000000Z" + # Case 2: Has decimal point (e.g., "2022-08-19T07:19:38.123456789Z") + else: + # Get the fractional and base parts + base, fraction = date_string[:-1].split(".") + # fraction[:6] takes first 6 digits and :0<6 pads with zeros if less than 6 digits + date_string = f"{base}.{fraction[:6]:0<6}Z" + + return datetime.strptime(date_string, "%Y-%m-%dT%H:%M:%S.%fZ").replace(tzinfo=timezone.utc) + except ValueError as e: + raise ValueError( + f"Cannot parse '{date_string}' as a datetime. Date string is expected to" + " follow '%Y-%m-%dT%H:%M:%S.%fZ' pattern." + ) from e |