64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
# Copyright 2020 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import re
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from dateparser import DateDataParser
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from functools import lru_cache
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@lru_cache(maxsize=None)
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def canonical_wikilink(wikilink):
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if is_journal(wikilink):
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try:
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parser = DateDataParser(languages=['en'])
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date = parser.get_date_data(wikilink).date_obj
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new_wikilink = date.isoformat().split("T")[0]
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if "nov" in wikilink:
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print(f'>> Journal! "{wikilink}" -> "{new_wikilink}"')
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wikilink = new_wikilink
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except:
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# TODO: if we add logging, maybe log that we couldn't parse a date here
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pass
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# hack hack
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wikilink = (
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wikilink.lower()
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.replace(' ', '-')
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.replace('\'', '')
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.replace(',', '')
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.replace('/', '-')
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)
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return wikilink
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@lru_cache(maxsize=None)
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def is_journal(wikilink):
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date_regexes = [
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# iso format
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'[0-9]{4}-[0-9]{2}-[0-9]{2}',
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# roam format (what a monstrosity!)
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'(January|February|March|April|May|June|July|August|September|October|November|December) [0-9]{1,2}(st|nd|th), [0-9]{4}',
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# roam format (sanitzed for filenames)
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'(january|february|march|april|may|june|july|august|september|october|november|december)-[0-9]{1,2}(st|nd|th)-[0-9]{4}',
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]
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# combine all the date regexes into one super regex
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# TODO: it'd really be better to compile this regex once rather than on
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# each request, but as the knuth would say premature optimization is the
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# root of all evil, etc. etc.
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combined_date_regex = re.compile(f'^({"|".join(date_regexes)})$')
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return combined_date_regex.match(wikilink)
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