1 files changed, 80 insertions, 0 deletions
diff --git a/fatcat_covid19/query.py b/fatcat_covid19/query.py
new file mode 100644
index 0000000..4397fc5
--- /dev/null
+++ b/fatcat_covid19/query.py
@@ -0,0 +1,80 @@
+
+import os
+import sys
+import json
+import datetime
+
+import elasticsearch
+from elasticsearch_dsl import Search, Q
+
+from fatcat_covid19.common import requests_retry_session
+
+
+def query_fatcat(json_output):
+    """
+    Queries fatcat search index (the full regular fatcat.wiki release index)
+    for COVID-19 keywords and phrases, iterates over the result set (using
+    scroll), and fetches full release entity (via api.fatcat.wik) for each.
+    """
+    api_session = requests_retry_session()
+
+    es_backend = os.environ.get(
+        "ELASTICSEARCH_BACKEND",
+        default="https://search.fatcat.wiki",
+    )
+    es_index = "fatcat_release"
+    es_client = elasticsearch.Elasticsearch(es_backend)
+
+    search = Search(using=es_client, index=es_index)
+
+    search = search.exclude("terms", release_type=["stub", "component", "abstract"])
+
+    # "Emerald Expert Briefings"
+    search = search.exclude("terms", container_id=["fnllqvywjbec5eumrbavqipfym"])
+
+    # ResearchGate
+    search = search.exclude("terms", doi_prefix=["10.13140"])
+
+    # some industrial thing
+    search = search.exclude("query_string", query='"Report on SARS backfit evaluation"', fields=["title"])
+
+    # physic experiment
+    search = search.exclude("query_string", query='"TOF-SARS"', fields=["title"])
+
+    # species not related to SARS
+    # something based on excluding "lake" in title might be easier?
+    search = search.exclude("query_string", query='"G.O. Sars"', fields=["title"])
+    search = search.exclude("query_string", query='"Gomphocythere Sars"', fields=["title"])
+    search = search.exclude("query_string", query='"Australis Sars"', fields=["title"])
+    search = search.exclude("query_string", query='"scutifer Sars"', fields=["title"])
+    search = search.exclude("query_string", query='"lumholtzi Sars"', fields=["title"])
+
+    search = search.query(
+        Q("query_string", query='"COVID-19" coronavirus coronaviruses "sars-cov-2" "2019-nCoV" "SARS-CoV" "MERS-CoV" SARS', default_operator="OR", fields=["title", "original_title"]) |
+        Q("query_string", query='pandemic influenza', default_operator="AND", fields=["biblio"]) |
+        Q("query_string", query='epidemic influenza', default_operator="AND", fields=["biblio"]) |
+        Q("query_string", query='pandemic ventilator', default_operator="AND", fields=["biblio"])
+    )
+
+    print("Expecting {} search hits".format(search.count()), file=sys.stderr)
+
+    search = search.params(clear_scroll=False)
+    search = search.params(_source=False)
+
+    results = search.scan()
+    for hit in results:
+        release_id = hit.meta.id
+        resp = api_session.get(
+            'https://api.fatcat.wiki/v0/release/{}'.format(release_id),
+            params={
+                'expand': 'container,files,filesets,webcaptures',
+                'hide': 'references',
+        })
+        resp.raise_for_status()
+        row = dict(
+            fatcat_hit=hit.meta._d_,
+            release_id=release_id,
+            fatcat_release=resp.json(),
+        )
+        print(json.dumps(row, sort_keys=True), file=json_output)
+