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Merge pull request #53 from lsst-dm/tickets/DM-43558
DM-43558: Ingest LFA data.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| # This file is part of embargo_butler. | ||
| # | ||
| # Developed for the LSST Data Management System. | ||
| # This product includes software developed by the LSST Project | ||
| # (http://www.lsst.org). | ||
| # See the COPYRIGHT file at the top-level directory of this distribution | ||
| # for details of code ownership. | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation, either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| import logging | ||
| from dataclasses import dataclass | ||
| from typing import Self | ||
|
|
||
| __all__ = ("Info", "ExposureInfo", "LfaInfo") | ||
|
|
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| logger = logging.getLogger(__name__) | ||
|
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|
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| @dataclass | ||
| class Info: | ||
| """Base class for information extracted from notification messages.""" | ||
|
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| path: str | ||
| """Path component of the S3 URL. | ||
| """ | ||
|
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| bucket: str | ||
| """Bucket component of the S3 URL. | ||
| """ | ||
|
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| instrument: str | ||
| """Instrument name. | ||
| """ | ||
|
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| filename: str | ||
| """Filename component of the S3 URL. | ||
| """ | ||
|
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| obs_day: str | ||
| """Observation day (in timezone UTC-12). | ||
| """ | ||
|
|
||
| @staticmethod | ||
| def from_path(url: str) -> Self: | ||
| """Create an `Info` of the proper subclass from an S3 URL. | ||
| Parameters | ||
| ---------- | ||
| url: `str` | ||
| S3 URL (including bucket). | ||
| Returns | ||
| ------- | ||
| info: `Info` | ||
| Either an `LfaInfo` or an `ExposureInfo` as appropriate. | ||
| """ | ||
|
|
||
| if url.startswith("s3://"): | ||
| url = url[len("s3://") :] | ||
| if "rubinobs-lfa-" in url: | ||
| return LfaInfo(url) | ||
| else: | ||
| return ExposureInfo(url) | ||
|
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||
|
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| @dataclass | ||
| class ExposureInfo(Info): | ||
| """Class used to extract exposure information from notification messages. | ||
| Parameters | ||
| ---------- | ||
| path: `str` | ||
| Path portion of S3 URL (after bucket). | ||
| """ | ||
|
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| exp_id: str | ||
| """Exposure ID. | ||
| """ | ||
|
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| instrument_code: str | ||
| """Instrument code (two characters). | ||
| """ | ||
|
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| controller: str | ||
| """Controller code (one character). | ||
| """ | ||
|
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| seq_num: str | ||
| """Sequence number within an observation day. | ||
| """ | ||
|
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| def __init__(self, path): | ||
| try: | ||
| self.path = path | ||
| ( | ||
| self.bucket, | ||
| self.instrument, | ||
| self.obs_day, | ||
| self.exp_id, | ||
| self.filename, | ||
| ) = path.split("/") | ||
| ( | ||
| self.instrument_code, | ||
| self.controller, | ||
| obs_day, | ||
| self.seq_num, | ||
| ) = self.exp_id.split("_") | ||
| if obs_day != self.obs_day: | ||
| logger.warn("Mismatched observation dates: %s", path) | ||
| except Exception: | ||
| logger.exception("Unable to parse: %s", path) | ||
| raise | ||
|
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|
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| @dataclass | ||
| class LfaInfo(Info): | ||
| """Class used to extract LFA information from notification messages. | ||
| Parameters | ||
| ---------- | ||
| path: `str` | ||
| Path portion of S3 URL (after bucket). | ||
| """ | ||
|
|
||
| def __init__(self, path): | ||
| try: | ||
| self.path = path | ||
| components = path.split("/") | ||
| if len(components) == 8: | ||
| self.bucket, csc, generator, year, month, day, directory, self.filename = components | ||
| self.instrument = f"{csc}/{generator}" | ||
| elif len(components) == 7: | ||
| self.bucket, csc, generator, year, month, day, self.filename = components | ||
| self.instrument = f"{csc}/{generator}" | ||
| elif len(components) == 6: | ||
| self.bucket, self.instrument, year, month, day, self.filename = components | ||
| else: | ||
| raise ValueError(f"Unrecognized number of components: {len(components)}") | ||
| self.obs_day = f"{year}{month}{day}" | ||
| except Exception: | ||
| logger.exception("Unable to parse: %s", path) | ||
| raise |
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