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|
from __future__ import annotations
import sys
import csv
import json
import sqlite3
from collections import Counter
from dataclasses import dataclass, field
from typing import List, Dict, Tuple, Optional, Any
import urlcanon
import surt
import tldextract
import ftfy
import stdnum.issn
from chocula.config import *
from chocula.util import *
@dataclass
class HomepageUrl:
url: str
surt: str
host: Optional[str]
domain: Optional[str]
suffix: Optional[str]
def to_db_tuple(self, issnl: str) -> Tuple:
"""
Relevant columns are:
issnl TEXT NOT NULL,
surt TEXT NOT NULL,
url TEXT NOT NULL,
host TEXT,
domain TEXT,
suffix TEXT,
Returns a tuple in that order for inserting.
"""
return (issnl, self.surt, self.url, self.host, self.domain, self.suffix)
@classmethod
def from_url(cls, url: str) -> Optional[HomepageUrl]:
"""
Returns None if url is really bad (not a URL).
"""
if not url or 'mailto:' in url.lower() or url.lower() in ('http://n/a', 'http://na/', 'http://na'):
return None
if url.startswith('www.'):
url = "http://" + url
if url.startswith('ttp://') or url.startswith('ttps://'):
url = "h" + url
url.replace('Http://', 'http://')
url = str(urlcanon.semantic_precise(url))
if url == 'http://na/':
# sort of redundant with above, but some only match after canonicalization
return None
url_surt = surt.surt(url)
tld = tldextract.extract(url)
host = '.'.join(tld)
if host.startswith('.'):
host = host[1:]
return HomepageUrl(url=url,
surt=url_surt,
host=host,
domain=tld.registered_domain,
suffix=tld.suffix)
def test_from_url():
assert HomepageUrl.from_url("http://thing.core.ac.uk").domain == 'core.ac.uk'
assert HomepageUrl.from_url("http://thing.core.ac.uk").host == 'thing.core.ac.uk'
assert HomepageUrl.from_url("http://thing.core.ac.uk").suffix== 'ac.uk'
assert HomepageUrl.from_url("google.com").suffix == 'com'
assert HomepageUrl.from_url("google.com").host == 'google.com'
assert HomepageUrl.from_url("mailto:bnewbold@bogus.com") == None
assert HomepageUrl.from_url("thing.com").url == 'http://thing.com/'
assert HomepageUrl.from_url("Http://thing.com///").url == 'http://thing.com/'
@dataclass
class UrlCrawlStatus:
status_code: Optional[int]
crawl_error: Optional[str]
terminal_url: Optional[str]
terminal_status_code: Optional[int]
platform_software: Optional[str]
issnl_in_body: Optional[bool]
blocked: Optional[bool]
gwb_url_success_dt: Optional[str]
gwb_terminal_url_success_dt: Optional[str]
@dataclass
class DirectoryInfo:
directory_slug: str
raw_issn: Optional[str] = None
issnl: Optional[str] = None
issne: Optional[str] = None
issnp: Optional[str] = None
custom_id: Optional[str] = None
name: Optional[str] = None
original_name: Optional[str] = None
publisher: Optional[str] = None
abbrev: Optional[str] = None
platform: Optional[str] = None
country: Optional[str] = None
langs: List[str] = field(default_factory=list)
homepage_urls: List[HomepageUrl] = field(default_factory=list)
extra: dict = field(default_factory=dict)
def to_db_tuple(self) -> Tuple:
"""
Actual database schema is:
issnl TEXT NOT NULL,
slug TEXT NOT NULL,
identifier TEXT,
name TEXT,
extra TEXT,
Returns a tuple in that order.
"""
if not self.issnl:
raise ValueError
extra_dict = self.extra
for k in ('issne', 'issnp', 'name', 'publisher', 'abbrev', 'platform',
'country', 'langs', 'original_name'):
if self.__dict__[k]:
extra_dict[k] = self.__dict__[k]
extra_str: Optional[str] = None
if extra_dict:
extra_str = json.dumps(extra_dict, sort_keys=True)
return (
self.issnl,
self.directory_slug,
self.custom_id or None,
self.name or None,
extra_str,
)
@classmethod
def from_db(cls):
raise NotImplementedError()
class IssnDatabase():
"""
Holds complete ISSN/ISSN-L table and helps with lookups and munging of raw
ISSN strings
"""
def __init__(self, issn_issnl_file_path: str):
self.issn_issnl_map: Dict[str, str] = dict()
self.read_issn_map_file(issn_issnl_file_path)
def read_issn_map_file(self, issn_map_path: str):
print("##### Loading ISSN-L map file...", file=sys.stderr)
with open(issn_map_path, 'r') as issn_map_file:
for line in issn_map_file:
if line.startswith("ISSN") or len(line) == 0:
continue
(issn, issnl) = line.split()[0:2]
self.issn_issnl_map[issn] = issnl
# double mapping makes lookups easy
if not issnl in self.issn_issnl_map:
self.issn_issnl_map[issnl] = issnl
count = len(self.issn_issnl_map)
print(f"Got {count} ISSN-L mappings", file=sys.stderr)
def issn2issnl(self, issn: str) -> Optional[str]:
return self.issn_issnl_map.get(issn)
def munge_issns(self, info: DirectoryInfo) -> DirectoryInfo:
"""
Cleans up the ISSN fields of a DirectoryInfo object, and tries to
lookup or confirm an ISSN-L mapping.
Note that if the passed ISSN-L number is not in the ISSN-L directory,
it will be wiped from the returned info object.
TODO: check what previous behavior was... passing through raw_issn?
"""
if info.issnl:
info.issnl = clean_issn(info.issnl)
if info.raw_issn:
info.raw_issn = clean_issn(info.raw_issn)
if info.issne:
info.issne = clean_issn(info.issne)
if info.issnp:
info.issnp = clean_issn(info.issnp)
issnl = None
for lookup in (info.issnl, info.raw_issn, info.issne, info.issnp):
if not lookup:
continue
issnl = self.issn2issnl(lookup)
if issnl:
break
info.issnl = issnl
return info
class ChoculaDatabase():
"""
Wraps a sqlite3 database
"""
def __init__(self, db_file, issn_db):
"""
To create a temporary database, pass ":memory:" as db_file
"""
self.db = sqlite3.connect(db_file, isolation_level='EXCLUSIVE')
self.data = dict()
self.issn_db = issn_db
def insert_directory(self, info: DirectoryInfo, cur: Any = None) -> str:
"""
This method does some general cleanup on a directory info object (eg,
munges ISSNs), then inserts into the database.
Also inserts any/all nested homepage URLs.
Returns status of insert, which could be:
- inserted
- duplicate
- missing-issn
- no-match
"""
info = self.issn_db.munge_issns(info)
if not (info.issnl or info.raw_issn or info.issne or info.issnp):
return "missing-issn"
if not info.issnl:
return "no-match"
if not cur:
cur = self.db.cursor()
try:
cur.execute("INSERT INTO directory VALUES (?,?,?,?,?)",
info.to_db_tuple())
except sqlite3.IntegrityError as ie:
if str(ie).startswith("UNIQUE"):
return "duplicate"
raise ie
for url in info.homepage_urls:
self.insert_homepage(info.issnl, url, cur)
return "inserted"
def insert_homepage(self, issnl: str, homepage: HomepageUrl, cur: Any) -> str:
try:
cur.execute(
"INSERT OR REPLACE INTO homepage (issnl, surt, url, host, domain, suffix) VALUES (?,?,?,?,?,?)",
homepage.to_db_tuple(issnl))
except sqlite3.IntegrityError as ie:
if str(ie).startswith("UNIQUE"):
return "duplicate"
raise ie
return "inserted"
def parse_kbart(self, name, path):
"""
Transforms a KBART file into a dict of dicts; but basically a list of
JSON objects, one per journal. KBART files can have multiple rows per
journal (eg, different year spans), which is why this pass is needed.
"""
print("##### Parsing KBART file for {}...".format(name))
#publication_title print_identifier online_identifier date_first_issue_online num_first_vol_online num_first_issue_online date_last_issue_online num_last_vol_online num_last_issue_online title_url first_author title_id embargo_info coverage_depth coverage_notes publisher_name
kbart_dict = dict()
raw_file = open(path, 'rb').read().decode(errors='replace')
fixed_file = ftfy.fix_text(raw_file)
reader = csv.DictReader(fixed_file.split('\n'), delimiter='\t')
counts = Counter()
for row in reader:
if not row['print_identifier'] and not row['online_identifier']:
counts['no-issn'] += 1
continue
issnl, status = self.lookup_issnl(
issnp=row['print_identifier'],
issne=row['online_identifier'],
)
counts[status] += 1
if not issnl:
continue
info = dict(
title=row['publication_title'] or None,
publisher=row['publisher_name'] or None,
url=row['title_url'] or None,
embargo_info=row['embargo_info'] or None,
)
d = kbart_dict.get(issnl, info)
old_spans = d.get('year_spans', [])
if row['date_first_issue_online'] and row['date_last_issue_online']:
start = int(row['date_first_issue_online'][:4])
end = int(row['date_last_issue_online'][:4])
if not start <= end:
print("{}: {} not before {}! er, mangling".format(
issnl,
row['date_first_issue_online'],
row['date_last_issue_online']))
new_spans = [[end, start]]
else:
new_spans = [[start, end]]
d['year_spans'] = merge_spans(old_spans, new_spans)
print(counts)
return kbart_dict
def index_sim(self, args):
path = args.input_file or SIM_FILE
print("##### Loading SIM Metadata...")
#NA Pub Cat ID,Title,Publisher,ISSN,Impact Rank,Total Cities,Journal Impact Factor,Eigenfact or Score,First Volume,Last Volume,NA Gaps,"Scholarly / Peer-\n Reviewed","Peer-\n Reviewed",Pub Type,Pub Language,Subjects
reader = csv.DictReader(open(path))
counts = Counter()
cur = self.db.cursor()
for row in reader:
if not row['ISSN'] or row['ISSN'] == "NULL":
counts['no-issn'] += 1
continue
issnl, status = self.add_issn(
'ia_sim',
raw_issn=row['ISSN'][:9],
name=row['Title'],
publisher=row['Publisher'],
extra=extra,
)
counts[status] += 1
if not issnl:
continue
d = self.data[issnl]
sim = dict()
sim['id'] = row['NA Pub Cat ID']
first_year = row['First Volume']
if first_year:
first_year = int(first_year)
sim['first_year'] = int(row['First Volume'])
else:
first_year = None
last_year = row['Last Volume']
if last_year:
last_year = int(last_year)
sim['last_year'] = last_year
else:
last_year = None
gaps = [int(g) for g in row['NA Gaps'].split(';') if g.strip()]
if gaps:
sim['gaps'] = gaps
if first_year and last_year:
sim['year_spans'] = gaps_to_spans(first_year, last_year, gaps)
if row['Pub Language']:
self.add_lang(issnl, row['Pub Language'])
# TODO: 'Pub Type'
all_keys = list(sim.keys())
for k in all_keys:
if not sim[k]:
sim.pop(k)
self.data[issnl]['sim'] = sim
cur.close()
self.db.commit()
print(counts)
def update_url_status(self, args):
path = args.input_file or IA_CRAWL_FILE
print("##### Loading IA Homepage Crawl Results...")
counts = Counter()
cur = self.db.cursor()
for row in open(path, 'r'):
if not row.strip():
continue
row = json.loads(row)
counts['total'] += 1
url = row['url']
assert(url)
if row.get('gwb_url_success_dt') == 'error':
row['gwb_url_success_dt'] = None
if row.get('gwb_terminal_url_success_dt') == 'error':
row['gwb_terminal_url_success_dt'] = None
cur.execute("UPDATE homepage SET status_code=?, crawl_error=?, terminal_url=?, terminal_status_code=?, platform_software=?, issnl_in_body=?, blocked=?, gwb_url_success_dt=?, gwb_terminal_url_success_dt=? WHERE url=?",
(row['status_code'],
row.get('crawl_error'),
row.get('terminal_url'),
row.get('terminal_status_code'),
row.get('platform_software'),
row.get('issnl_in_body'),
row.get('blocked'),
row.get('gwb_url_success_dt'),
row.get('gwb_terminal_url_success_dt'),
url))
counts['updated'] += 1
cur.close()
self.db.commit()
print(counts)
def load_fatcat(self, args):
path = args.input_file or FATCAT_CONTAINER_FILE
print("##### Loading Fatcat Container Entities...")
# JSON
json_file = open(path, 'r')
counts = Counter()
cur = self.db.cursor()
for row in json_file:
if not row:
continue
row = json.loads(row)
if row['state'] != 'active':
continue
counts['total'] += 1
extra = row.get('extra', dict())
issne = extra.get('issne')
issnp = extra.get('issnp')
country = extra.get('country')
languages = extra.get('languages', [])
lang = None
if languages:
lang = languages[0]
try:
cur.execute("INSERT OR REPLACE INTO fatcat_container (issnl, ident, revision, issne, issnp, wikidata_qid, name, container_type, publisher, country, lang) VALUES (?,?,?,?,?,?,?,?,?,?,?)",
(row.get('issnl'),
row['ident'],
row['revision'],
issne,
issnp,
row.get('wikidata_qid'),
row['name'],
row.get('container_type'),
extra.get('publisher'),
country,
lang,
))
except sqlite3.IntegrityError as ie:
if str(ie).startswith("UNIQUE"):
return None, "duplicate-issnl"
raise ie
counts['inserted'] += 1
if row.get('issnl'):
urls = extra.get('urls', [])
for url in urls:
self.add_url(row['issnl'], url)
cur.close()
self.db.commit()
print(counts)
def load_fatcat_stats(self, args):
path = args.input_file or FATCAT_STATS_FILE
print("##### Loading Fatcat Container Stats...")
# JSON
json_file = open(path, 'r')
counts = Counter()
cur = self.db.cursor()
for row in json_file:
if not row:
continue
row = json.loads(row)
total = int(row['total'])
if total > 0:
ia_frac = float(row['in_web'])/total
preserved_frac = float(row['is_preserved'])/total
else:
ia_frac = None
preserved_frac = None
cur.execute("UPDATE fatcat_container SET release_count = ?, ia_count = ?, ia_frac = ?, preserved_count = ?, preserved_frac = ? WHERE issnl = ?",
(total, row['in_web'], ia_frac, row['is_preserved'], preserved_frac, row['issnl']))
counts['updated'] += 1
cur.close()
self.db.commit()
print(counts)
def export_urls(self, args):
cur = self.db.cursor()
self.db.row_factory = sqlite3.Row
cur = self.db.execute("SELECT issnl, url FROM homepage;")
for hrow in cur:
assert(hrow['url'])
assert(len(hrow['url'].split()) == 1)
print('\t'.join((hrow['issnl'], hrow['url'])))
def summarize(self, args):
print("##### Summarizing Everything...")
counts = Counter()
cur = self.db.cursor()
self.db.row_factory = sqlite3.Row
index_issnls = list(cur.execute('SELECT DISTINCT issnl FROM directory'))
fatcat_issnls = list(cur.execute('SELECT DISTINCT issnl FROM fatcat_container WHERE issnl IS NOT null'))
all_issnls = set([i[0] for i in index_issnls + fatcat_issnls])
print("{} total ISSN-Ls".format(len(all_issnls)))
for issnl in list(all_issnls):
#print(issnl)
counts['total'] += 1
out = dict()
# check if ISSN-L is good. this is here because of fatcat import
out['known_issnl'] = (self.issn2issnl(issnl) == issnl)
if not out['known_issnl']:
counts['unknown-issnl'] += 1
out['valid_issnl'] = stdnum.issn.is_valid(issnl)
if not out['valid_issnl']:
counts['invalid-issnl'] += 1
fatcat_row = list(self.db.execute("SELECT * FROM fatcat_container WHERE issnl = ?;", [issnl]))
if fatcat_row:
frow = fatcat_row[0]
out['fatcat_ident'] = frow['ident']
for k in ('name', 'publisher', 'issne', 'issnp', 'wikidata_qid', 'lang', 'country', 'release_count', 'ia_count', 'ia_frac', 'kbart_count', 'kbart_frac', 'preserved_count', 'preserved_frac'):
if not out.get(k) and frow[k] != None:
out[k] = frow[k]
cur = self.db.execute("SELECT * FROM directory WHERE issnl = ?;", [issnl])
for irow in cur:
if irow['slug'] in ('crossref',):
out['has_dois'] = True
# TODO: other DOI registrars (japan, datacite)
if irow['slug'] == 'wikidata':
out['wikidata_qid'] = irow['identifier']
for k in ('name',):
if not out.get(k) and irow[k]:
out[k] = irow[k]
if irow['extra']:
extra = json.loads(irow['extra'])
for k in ('country', 'lang', 'issne', 'issnp', 'publisher'):
if not out.get(k) and extra.get(k):
out[k] = extra[k]
if irow['slug'] in ('doaj','road','szczepanski', 'gold_oa'):
out['is_oa'] = True
if irow['slug'] == 'ezb':
ezb_extra = json.loads(irow['extra'])
if ezb_extra['ezb_color'] == 'green':
out['is_oa'] = True
if irow['slug'] == 'sherpa_romeo':
extra = json.loads(irow['extra'])
out['sherpa_color'] = extra['color']
if extra['color'] == 'green':
out['is_oa'] = True
# filter out "NA" ISSNs
for k in ('issne', 'issnp'):
if out.get(k) and (len(out[k]) != 9 or out[k][4] != '-'):
out.pop(k)
cur = self.db.execute("SELECT * FROM homepage WHERE issnl = ?;", [issnl])
for hrow in cur:
out['any_homepage'] = True
if hrow['terminal_status_code'] == 200 and hrow['host'] != 'web.archive.org':
out['any_live_homepage'] = True
if hrow['gwb_url_success_dt'] or hrow['gwb_terminal_url_success_dt']:
out['any_gwb_homepage'] = True
if out.get('wikidata_qid'):
assert out['wikidata_qid'].startswith('Q')
assert out['wikidata_qid'][1].isdigit()
assert out['wikidata_qid'][-1].isdigit()
# define publisher types
publisher = out.get('publisher')
pl = out.get('publisher', '').lower().strip()
if publisher in BIG5_PUBLISHERS or 'elsevier' in pl or 'springer' in pl or 'wiley' in pl:
out['publisher_type'] = 'big5'
elif publisher in OA_PUBLISHERS:
out['publisher_type'] = 'oa'
elif publisher in COMMERCIAL_PUBLISHERS or 'wolters kluwer' in pl or 'wolters-kluwer' in pl:
out['publisher_type'] = 'commercial'
elif publisher in ARCHIVE_PUBLISHERS:
out['publisher_type'] = 'archive'
elif publisher in REPOSITORY_PUBLISHERS:
out['publisher_type'] = 'repository'
elif publisher in OTHER_PUBLISHERS:
out['publisher_type'] = 'other'
elif publisher in SOCIETY_PUBLISHERS or 'society' in pl or 'association' in pl or 'academy of ' in pl or 'institute of' in pl:
out['publisher_type'] = 'society'
elif publisher in UNI_PRESS_PUBLISHERS or 'university ' in pl:
out['publisher_type'] = 'unipress'
elif 'scielo' in pl:
out['publisher_type'] = 'scielo'
elif out.get('is_oa') and (not out.get('has_dois') or out.get('lang') not in (None, 'en', 'de', 'fr', 'ja') or out.get('country') not in (None, 'us', 'gb', 'nl', 'cn', 'jp', 'de')):
# current definition of longtail
out['publisher_type'] = 'longtail'
out['is_longtail'] = True
cur.execute("INSERT OR REPLACE INTO journal (issnl, issne, issnp, wikidata_qid, fatcat_ident, name, publisher, country, lang, is_oa, sherpa_color, is_longtail, is_active, publisher_type, has_dois, any_homepage, any_live_homepage, any_gwb_homepage, known_issnl, valid_issnl, release_count, ia_count, ia_frac, kbart_count, kbart_frac, preserved_count, preserved_frac) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)",
(issnl,
out.get('issne'),
out.get('issnp'),
out.get('wikidata_qid'),
out.get('fatcat_ident'),
out.get('name'),
out.get('publisher'),
out.get('country'),
out.get('lang'),
out.get('is_oa', False),
out.get('sherpa_color'),
out.get('is_longtail', False),
out.get('is_active'),
out.get('publisher_type'),
out.get('has_dois', False),
out.get('any_homepage', False),
out.get('any_live_homepage', False),
out.get('any_gwb_homepage', False),
out.get('known_issnl'),
out.get('valid_issnl'),
out.get('release_count'),
out.get('ia_count'),
out.get('ia_frac'),
out.get('kbart_count'),
out.get('kbart_frac'),
out.get('preserved_count'),
out.get('preserved_frac'),
))
cur.close()
self.db.commit()
print(counts)
def everything(self, args):
self.init_db(args)
self.index_doaj(args)
self.index_norwegian(args)
self.index_crossref(args)
self.index_sherpa_romeo(args)
self.index_road(args)
self.index_entrez(args)
self.index_ezb(args)
self.index_szczepanski(args)
self.index_gold_oa(args)
self.index_openapc(args)
self.index_wikidata(args)
self.load_fatcat(args)
self.load_fatcat_stats(args)
#self.preserve_kbart('lockss', LOCKSS_FILE)
#self.preserve_kbart('clockss', CLOCKSS_FILE)
#self.preserve_kbart('portico', PORTICO_FILE)
#self.preserve_kbart('jstor', JSTOR_FILE)
#self.preserve_sim(args)
self.update_url_status(args)
self.summarize(args)
print("### Done with everything!")
def export(self, args):
def dict_factory(cursor, row):
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
return d
counts = Counter()
self.db.row_factory = dict_factory
cur = self.db.cursor()
for row in cur.execute('SELECT * FROM journal'):
print(json.dumps(row))
counts['total'] += 1
def export_fatcat(self, args):
counts = Counter()
self.db.row_factory = sqlite3.Row
cur = self.db.cursor()
for row in cur.execute('SELECT * FROM journal WHERE valid_issnl = 1'):
counts['total'] += 1
name = row['name']
if name:
name = name.strip()
if not row['name']:
counts['empty-name'] += 1
continue
if len(name) <= 2:
counts['short-name'] += 1
continue
publisher = row['publisher']
if publisher:
publisher = publisher.strip() or None
out = dict(
issnl=row['issnl'],
wikidata_qid=row['wikidata_qid'],
ident=row['fatcat_ident'],
publisher=publisher,
name=name,
_known_issnl=row['known_issnl'])
extra = dict(
issnp=row['issnp'],
issne=row['issne'],
country=row['country'],
)
if row['lang']:
extra['languages'] = [row['lang'],]
if row['sherpa_color']:
extra['sherpa_romeo'] = dict(color=row['sherpa_color'])
urls = []
webarchive_urls = []
cur = self.db.execute("SELECT * FROM homepage WHERE issnl = ?;", [row['issnl']])
for hrow in cur:
if '://doaj.org/' in hrow['url'] or '://www.doaj.org/' in hrow['url']:
continue
if '://www.ncbi.nlm.nih.gov/' in hrow['url']:
continue
if 'web.archive.org/web' in hrow['url']:
webarchive_urls.append(hrow['url'])
urls.append(hrow['url'])
continue
if hrow['host'] in ('www.google.com', 'books.google.com'):
# individual books or google searches, not journal/conference homepages
continue
if '/oai/request' in hrow['url']:
# OAI-PMH endpoints, not homepages
continue
if not row['any_live_homepage'] and hrow['gwb_url_success_dt'] and hrow['gwb_url_success_dt'] != 'error':
webarchive_urls.append("https://web.archive.org/web/{}/{}".format(hrow['gwb_url_success_dt'], hrow['url']))
continue
if hrow['blocked']:
urls.append(hrow['url'])
continue
if hrow['terminal_status_code'] == 200:
if hrow['terminal_url'] == hrow['url'].replace('http://', 'https://') or hrow['terminal_url'] == hrow['url'] + "/":
# check for trivial redirects; use post-redirect URL in those cases
urls.append(hrow['terminal_url'])
else:
urls.append(hrow['url'])
continue
# didn't even crawl and no match? add anyways as a pass-through
if not hrow['status_code']:
urls.append(hrow['url'])
continue
extra['webarchive_urls'] = webarchive_urls
extra['urls'] = urls
cur = self.db.execute("SELECT * FROM directory WHERE issnl = ?;", [row['issnl']])
for drow in cur:
if drow['slug'] == 'ezb':
ezb = json.loads(drow['extra'])
extra['ezb'] = dict(ezb_id=drow['identifier'], color=ezb['ezb_color'])
if drow['slug'] == 'szczepanski':
extra['szczepanski'] = dict(as_of=SZCZEPANSKI_DATE)
if drow['slug'] == 'doaj':
extra['doaj'] = json.loads(drow['extra'])
out['extra'] = extra
print(json.dumps(out))
def init_db(self):
print("### Creating Database...", file=sys.stderr)
self.db.executescript("""
PRAGMA main.page_size = 4096;
PRAGMA main.cache_size = 20000;
PRAGMA main.locking_mode = EXCLUSIVE;
PRAGMA main.synchronous = OFF;
""")
with open('chocula_schema.sql', 'r') as fschema:
self.db.executescript(fschema.read())
print("Done!", file=sys.stderr)
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