aboutsummaryrefslogtreecommitdiffstats
path: root/python
diff options
context:
space:
mode:
Diffstat (limited to 'python')
-rw-r--r--python/fatcat_tools/cleanups/file_short_wayback_ts.py251
1 files changed, 251 insertions, 0 deletions
diff --git a/python/fatcat_tools/cleanups/file_short_wayback_ts.py b/python/fatcat_tools/cleanups/file_short_wayback_ts.py
new file mode 100644
index 00000000..2d893dbf
--- /dev/null
+++ b/python/fatcat_tools/cleanups/file_short_wayback_ts.py
@@ -0,0 +1,251 @@
+import argparse
+import copy
+import os
+import sys
+from typing import Any, Dict
+
+import fatcat_openapi_client
+from fatcat_openapi_client import ApiClient, FileEntity
+
+from fatcat_tools import authenticated_api, entity_from_dict, public_api
+from fatcat_tools.importers.common import EntityImporter, JsonLinePusher
+
+
+class FileShortWaybackTimestampCleanup(EntityImporter):
+ """
+ This is a one-off / one-time cleanup script for file entities, fix short
+ timestamps in wayback URLs. These timestamps are supposed to have 14 digits
+ (datetime with year, hour, seconds, etc). Some legacy file imports ended up
+ with only 4 or 12 digits.
+
+ While this calls itself a cleanup, it is based on the import code path. It
+ is not integrated into the `fatcat_import` or `fatcat_cleanup` controller;
+ instead it has a __main__ function and is invoked like:
+
+ python -m fatcat_tools.cleans.file_short_wayback-ts < blah.json
+ """
+
+ def __init__(self, api: ApiClient, **kwargs):
+
+ eg_desc = kwargs.pop("editgroup_description", None) or "Expand short wayback timestamps"
+ eg_extra = kwargs.pop("editgroup_extra", dict())
+ eg_extra["agent"] = eg_extra.get(
+ "agent", "fatcat_tools.FileShortWaybackTimestampCleanup"
+ )
+ super().__init__(
+ api,
+ do_updates=True,
+ editgroup_description=eg_desc,
+ editgroup_extra=eg_extra,
+ **kwargs
+ )
+ self.testing_mode = False
+
+ def want(self, row: Dict[str, Any]) -> bool:
+ if row["status"].startswith("success"):
+ return True
+ else:
+ self.counts["skip-status"] += 1
+ return False
+
+ def parse_record(self, row: Dict[str, Any]) -> FileEntity:
+
+ # bezerk mode doesn't make sense for this importer
+ assert self.bezerk_mode is False
+
+ fe: FileEntity = entity_from_dict(row["file_entity"], FileEntity)
+ status: str = row["status"]
+ assert status.startswith("success")
+ url_expansions: Dict[str, str] = row["full_urls"]
+ assert len(url_expansions) >= 1
+
+ # actual cleanup happens here
+ any_fixed = False
+ for fe_url in fe.urls:
+ if "://web.archive.org/web/" not in fe_url.url:
+ continue
+ seq = fe_url.url.split("/")
+ partial_ts = seq[4]
+ original_url = "/".join(seq[5:])
+ if seq[2] != "web.archive.org":
+ continue
+ if len(partial_ts) not in [4, 12]:
+ continue
+ if fe_url.url in url_expansions:
+ fix_url = url_expansions[fe_url.url]
+ # defensive checks
+ assert partial_ts in fix_url
+ assert "://" in fix_url
+ assert fe_url.url.endswith(original_url)
+ assert fix_url.endswith(original_url)
+ fe_url.url = fix_url
+ any_fixed = True
+
+ if not any_fixed:
+ self.counts["skip-no-fixes"] += 1
+ return None
+
+ # do any other generic file entity cleanups
+ # this includes removing duplicates
+ fe = self.generic_file_cleanups(fe)
+
+ # verify that there are no exact duplicates
+ final_urls = [u.url for u in fe.urls]
+ assert len(final_urls) == len(list(set(final_urls)))
+
+ return fe
+
+ def try_update(self, fe: FileEntity) -> bool:
+
+ # should always be existing
+ try:
+ existing = self.api.get_file(fe.ident)
+ except fatcat_openapi_client.rest.ApiException as err:
+ if err.status != 404:
+ raise err
+
+ if not existing:
+ self.counts["skip-existing-not-found"] += 1
+ return False
+
+ if existing.sha1 != fe.sha1:
+ self.counts["skip-existing-mismatch"] += 1
+ return False
+
+ assert fe.revision and existing.revision
+ if existing.revision != fe.revision:
+ self.counts["skip-revision-changed"] += 1
+ return False
+
+ # verify that at least one URL remains
+ if not fe.urls or len(fe.urls) < 1:
+ self.counts["skip-no-urls"] += 1
+ return False
+
+ # verify that all wayback urls have 14-digit timestamps, and are generally well-formed
+ for u in fe.urls:
+ if "://web.archive.org/web/" not in u.url:
+ continue
+ if u.rel != "webarchive":
+ self.counts["skip-bad-wayback-rel"] += 1
+ return False
+ seg = u.url.split("/")
+ if (
+ len(seg) < 6
+ or seg[0] != "https:"
+ or seg[2] != "web.archive.org"
+ or seg[3] != "web"
+ ):
+ self.counts["skip-bad-wayback"] += 1
+ return False
+ if len(seg[4]) != 14 or not seg[4].isdigit():
+ self.counts["skip-bad-wayback-timestamp"] += 1
+ return False
+
+ if existing == fe or existing.urls == fe.urls:
+ self.counts["skip-no-change"] += 1
+ return False
+
+ # not doing a check for "in current editgroup", because the source of
+ # these corrections (entity dump) contains no dupes
+
+ if not self.testing_mode:
+ self.api.update_file(self.get_editgroup_id(), existing.ident, existing)
+ self.counts["update"] += 1
+ return False
+
+
+def test_short_wayback_ts() -> None:
+ api = public_api("http://localhost:9411/v0")
+ fswtc = FileShortWaybackTimestampCleanup(api=api)
+ fswtc.testing_mode = True
+
+ assert fswtc.want({"status": "fail"}) is False
+ assert fswtc.want({"status": "success-self"}) is True
+
+ example_line: Dict[str, Any] = {
+ "status": "success-db",
+ "file_entity": {
+ # note: doesn't match actual entity
+ "release_ids": ["waldfsctnbcpdbmasgduhaaaaa"],
+ "mimetype": "application/pdf",
+ "urls": [
+ {
+ "url": "https://papiro.unizar.es/ojs/index.php/ais/article/download/2187/1971",
+ "rel": "web",
+ },
+ {
+ "url": "https://web.archive.org/web/201904301022/https://papiro.unizar.es/ojs/index.php/ais/article/download/2187/1971",
+ "rel": "webarchive",
+ },
+ ],
+ "sha256": "0b9e09480ed2e1f08f3c6c72f57ce12b52ea265f580f8810e606b49d64234b29",
+ "sha1": "be714299b9be21b5afdaa7affd7d710c58269433",
+ "md5": "9edb542be5b3446a1905e61a8a3abebd",
+ "size": 666242,
+ "revision": "fe949be8-7bf9-4c17-be28-8e3e90fb85bd",
+ "ident": "4ghpvs2t2rdtrdum2mkreh62me",
+ "state": "active",
+ },
+ "full_urls": {
+ "https://web.archive.org/web/201904301022/https://papiro.unizar.es/ojs/index.php/ais/article/download/2187/1971": "https://web.archive.org/web/20190430102239/https://papiro.unizar.es/ojs/index.php/ais/article/download/2187/1971"
+ },
+ }
+ example_fe = entity_from_dict(example_line["file_entity"], FileEntity)
+
+ fe1 = copy.copy(example_fe)
+ fe1.urls[
+ 1
+ ].url = "https://web.archive.org/web/20190430102239/https://papiro.unizar.es/ojs/index.php/ais/article/download/2187/1971"
+ assert fswtc.parse_record(example_line) == fe1
+
+ # update code path; requires a known file ident and API running locally
+ assert fswtc.counts["update"] == 0
+ dummy_fe = api.get_file("aaaaaaaaaaaaamztaaaaaaaaai")
+ fe1.ident = dummy_fe.ident
+
+ assert fswtc.try_update(fe1) is False
+ assert fswtc.counts["skip-existing-mismatch"] == 1
+
+ fe1.sha1 = dummy_fe.sha1
+ assert fswtc.try_update(fe1) is False
+ assert fswtc.counts["skip-revision-changed"] == 1
+
+ fe1.revision = dummy_fe.revision
+ assert fswtc.try_update(fe1) is False
+ print(fswtc.counts)
+ assert fswtc.counts["update"] == 1
+
+
+def main() -> None:
+ parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+ parser.add_argument(
+ "--host-url", default="http://localhost:9411/v0", help="connect to this host/port"
+ )
+ parser.add_argument("--batch-size", help="size of batch to send", default=50, type=int)
+ parser.set_defaults(
+ auth_var="FATCAT_API_AUTH_TOKEN",
+ )
+ parser.add_argument(
+ "json_file",
+ help="File with jsonlines from file_meta schema to import from",
+ default=sys.stdin,
+ type=argparse.FileType("r"),
+ )
+
+ args = parser.parse_args()
+ api = authenticated_api(
+ args.host_url,
+ # token is an optional kwarg (can be empty string, None, etc)
+ token=os.environ.get(args.auth_var),
+ )
+
+ fswtc = FileShortWaybackTimestampCleanup(
+ api,
+ edit_batch_size=args.batch_size,
+ )
+ JsonLinePusher(fswtc, args.json_file).run()
+
+
+if __name__ == "__main__":
+ main()