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#!/usr/bin/env python3
"""
Run like:
zcat CORE_FILE | ./load_core.py release_ids.db
"""
import sys
import csv
import sqlite3
def run(db_path):
#db = sqlite3.connect("file:{}?mode=ro".format(db_path)
db = sqlite3.connect(db_path)
c = db.cursor()
count = 0
inserted = 0
for row in sys.stdin:
row = row.strip().split("\t")
if len(row) != 2:
continue
(doi, coreid) = row[:2]
if count % 1000 == 0:
print("read {}, wrote {}".format(count, inserted))
db.commit()
count = count + 1
coreid = int(coreid)
doi = doi.lower()
# UPSERTS were only added to sqlite3 in summer 2018 (not in xenial version)
try:
c.execute("""INSERT INTO ids (doi, core) VALUES (?, ?)""", (doi, coreid))
except sqlite3.IntegrityError:
c.execute("""UPDATE ids SET core = ? WHERE doi = ?""", (coreid, doi))
inserted = inserted + 1
db.commit()
db.close()
if __name__=="__main__":
if len(sys.argv) != 2:
print("Need single argument: db_path")
sys.exit(-1)
run(sys.argv[1])
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