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-rw-r--r--python/fatcat_tools/harvest/doi_registrars.py6
-rw-r--r--python/fatcat_tools/harvest/harvest_common.py2
-rw-r--r--python/fatcat_tools/harvest/oaipmh.py73
3 files changed, 31 insertions, 50 deletions
diff --git a/python/fatcat_tools/harvest/doi_registrars.py b/python/fatcat_tools/harvest/doi_registrars.py
index 0296a9d9..d27389ba 100644
--- a/python/fatcat_tools/harvest/doi_registrars.py
+++ b/python/fatcat_tools/harvest/doi_registrars.py
@@ -12,11 +12,6 @@ from pykafka import KafkaClient
from fatcat_tools.workers import most_recent_message
from .harvest_common import HarvestState
-# Skip pylint due to:
-# AttributeError: 'NoneType' object has no attribute 'scope'
-# in 'astroid/node_classes.py'
-# pylint: skip-file
-
class HarvestCrossrefWorker:
"""
@@ -187,3 +182,4 @@ class HarvestDataciteWorker(HarvestCrossrefWorker):
def update_params(self, params, resp):
params['page[number]'] = resp['meta']['page'] + 1
return params
+
diff --git a/python/fatcat_tools/harvest/harvest_common.py b/python/fatcat_tools/harvest/harvest_common.py
index f0ef51aa..6041a36f 100644
--- a/python/fatcat_tools/harvest/harvest_common.py
+++ b/python/fatcat_tools/harvest/harvest_common.py
@@ -4,7 +4,7 @@ import json
import time
import datetime
-
+# Used for parsing ISO date format (YYYY-MM-DD)
DATE_FMT = "%Y-%m-%d"
class HarvestState:
diff --git a/python/fatcat_tools/harvest/oaipmh.py b/python/fatcat_tools/harvest/oaipmh.py
index 1f6c54b6..abd917e0 100644
--- a/python/fatcat_tools/harvest/oaipmh.py
+++ b/python/fatcat_tools/harvest/oaipmh.py
@@ -1,46 +1,4 @@
-"""
-OAI-PMH protocol:
- https://sickle.readthedocs.io/en/latest/
-
-Pubmed
- https://www.ncbi.nlm.nih.gov/pmc/tools/oai/
- https://www.ncbi.nlm.nih.gov/pmc/oai/oai.cgi?verb=GetRecord&identifier=oai:pubmedcentral.nih.gov:152494&metadataPrefix=pmc_fm
- https://github.com/titipata/pubmed_parser
-
-arxiv
- some APIs work on a per-version basis, others do not
-
- http://export.arxiv.org/oai2?verb=GetRecord&identifier=oai:arXiv.org:0804.2273&metadataPrefix=arXiv
- http://export.arxiv.org/oai2?verb=GetRecord&identifier=oai:arXiv.org:0804.2273&metadataPrefix=arXivRaw
-
-doaj
- https://github.com/miku/doajfetch
-
------
-
-actually, just going to re-use https://github.com/miku/metha for OAI-PMH stuff
- => shell script from cronjob
- => call metha-sync daily
- => metha-cat -since <whenever> | kafkacat output
- => echo "date" | kafkat state
- => some shell trick (comm?) to find missing dates; for each, do metha-cat into kafka
-
-or, just skip kafka for this stuff for now? hrm.
-
-crossref-like stuff is far enough along to keep
-
-## More Miku Magic!
-
-wowa, JSTOR KBART files!
- http://www.jstor.org/kbart/collections/all-archive-titles
-
-https://github.com/miku/ldjtab: faster than jq for just grabbing
-
-sort can be told how much memory to use; eg: `sort -S50%`, and threads to use
-
-"""
-
import re
import sys
import csv
@@ -58,9 +16,19 @@ from .harvest_common import HarvestState
class HarvestOaiPmhWorker:
"""
- Base class for OAI-PMH harvesters.
+ Base class for OAI-PMH harvesters. Uses the 'sickle' protocol library.
- Based on Crossref importer
+ Typically run as a single process; harvests records and publishes in raw
+ (XML) format to a Kafka topic, one-message-per-document.
+
+ Based on Crossref importer, with the HarvestState internal class managing
+ progress with day-level granularity. Note that this depends on the OAI-PMH
+ endpoint being correct! In that it must be possible to poll for only
+ records updated on a particular date (typically "yesterday").
+
+ Was very tempted to re-use <https://github.com/miku/metha> for this OAI-PMH
+ stuff to save on dev time, but i'd already built the Crossref harvester and
+ would want something similar operationally. Oh well!
"""
@@ -124,6 +92,14 @@ class HarvestOaiPmhWorker:
class HarvestArxivWorker(HarvestOaiPmhWorker):
+ """
+ Arxiv refs:
+ - http://export.arxiv.org/oai2?verb=GetRecord&identifier=oai:arXiv.org:0804.2273&metadataPrefix=arXiv
+ - http://export.arxiv.org/oai2?verb=GetRecord&identifier=oai:arXiv.org:0804.2273&metadataPrefix=arXivRaw
+
+ All records are work-level. Some metadata formats have internal info about
+ specific versions. The 'arXiv' format does, so i'm using that.
+ """
def __init__(self, **kwargs):
super().__init__(**kwargs)
@@ -133,6 +109,12 @@ class HarvestArxivWorker(HarvestOaiPmhWorker):
class HarvestPubmedWorker(HarvestOaiPmhWorker):
+ """
+ Pubmed refs:
+ - https://www.ncbi.nlm.nih.gov/pmc/tools/oai/
+ - https://www.ncbi.nlm.nih.gov/pmc/oai/oai.cgi?verb=GetRecord&identifier=oai:pubmedcentral.nih.gov:152494&metadataPrefix=pmc_fm
+ - https://github.com/titipata/pubmed_parser
+ """
def __init__(self, **kwargs):
super().__init__(**kwargs)
@@ -144,6 +126,9 @@ class HarvestPubmedWorker(HarvestOaiPmhWorker):
class HarvestDoajJournalWorker(HarvestOaiPmhWorker):
"""
WARNING: DOAJ OAI-PMH doesn't seem to respect 'from' and 'until' params
+
+ As an alternative, could use:
+ - https://github.com/miku/doajfetch
"""
def __init__(self, **kwargs):