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bibrank_citation_indexer.py
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bibrank_citation_indexer.py
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# -*- coding: utf-8 -*-
##
## $Id$
##
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## CDS Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## CDS Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with CDS Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
__revision__ = "$Id$"
import time
import sys
import os
import marshal
import traceback
from zlib import decompress, compress, error
from invenio.dbquery import run_sql, serialize_via_marshal, \
deserialize_via_marshal
from invenio.search_engine import print_record, search_pattern
from invenio.bibrecord import create_records, record_get_field_values, \
record_get_field_value
from invenio.bibformat_utils import parse_tag
from invenio.bibtask import write_message, task_get_option
class memoise:
def __init__(self, function):
self.memo = {}
self.function = function
def __call__(self, *args):
if self.memo.has_key(args):
return self.memo[args]
else:
object = self.memo[args] = self.function(*args)
return object
def get_recids_matching_query(pvalue, fvalue):
"""Return list of recIDs matching query for PVALUE and FVALUE."""
rec_id = list(search_pattern(p=pvalue, f=fvalue, m='e'))
return rec_id
get_recids_matching_query = memoise(get_recids_matching_query)
def get_citation_weight(rank_method_code, config):
"""return a dictionary which is used by bibrank daemon for generating
the index of sorted research results by citation information
"""
begin_time = time.time()
last_update_time = get_bibrankmethod_lastupdate(rank_method_code)
#addition: YOU DO NEED TO RUN WITH OPTION -R SOMETIMES. This is
#because among the new set (X) there can be records such that the old
#records Y cite them. But this kind of situation is not detected
#unless you go though all the records Y+X.
if task_get_option("quick") == "no":
last_update_time = "0000-00-00 00:00:00"
#if task_get_option('verbose') >= 3:
last_modified_records = get_last_modified_rec(last_update_time)
#id option forces re-indexing a certain range even if there are no new records
if last_modified_records or task_get_option("id"):
if task_get_option("id"):
#construct a range of records to index
id = task_get_option("id")
first = id[0][0]
last = id[0][1]
#make range
updated_recid_list = range(first,last)
else:
updated_recid_list = create_recordid_list(last_modified_records)
write_message("Last update "+str(last_update_time)+" records: "+str(len(last_modified_records))+" updates: "+str(len(updated_recid_list)), sys.stderr)
#write_message("updated_recid_list: "+str(updated_recid_list),sys.stderr)
result_intermediate = last_updated_result(rank_method_code, updated_recid_list)
#result_intermed should be warranted to exists!
citation_weight_dic_intermediate = result_intermediate[0]
citation_list_intermediate = result_intermediate[1]
reference_list_intermediate = result_intermediate[2]
citation_informations = get_citation_informations(updated_recid_list, config)
#write_message("citation_informations: "+str(citation_informations),sys.stderr)
#create_analysis_tables() #temporary.. needed to test how much faster in-mem indexing is
dic = ref_analyzer(citation_informations, citation_weight_dic_intermediate, citation_list_intermediate, reference_list_intermediate,config,updated_recid_list) #dic is docid-numberofreferences like {1: 2, 2: 0, 3: 1}
#write_message("Docid-number of known references "+str(dic),sys.stderr)
end_time = time.time()
print "Total time of software: ", (end_time - begin_time)
else:
dic = {}
print "No new records added since last time this rank method was executed"
return dic
def get_bibrankmethod_lastupdate(rank_method_code):
"""return the last excution date of bibrank method
"""
query = """select last_updated from rnkMETHOD where name ='%s'""" % rank_method_code
last_update_time = run_sql(query)
r = last_update_time[0][0]
if r is None:
return "0000-00-00 00:00:00"
return r
def get_last_modified_rec(bibrank_method_lastupdate):
""" return the list of recods which have been modified after the last execution
of bibrank method. The result is expected to have ascending numerical order.
"""
query = """SELECT id FROM bibrec WHERE modification_date>= '%s' """ % bibrank_method_lastupdate
query += "order by id ASC"
list = run_sql(query)
return list
def create_recordid_list(rec_ids):
"""Create a list of record ids out of RECIDS. The result is expected to have ascending numerical order.
"""
rec_list = []
for row in rec_ids:
rec_list.append(row[0])
return rec_list
def create_record_tuple(list):
"""Creates a tuple of record id from a list of id.
The result is expected to have ascending numerical order.
"""
list_length = len(list)
if list_length:
rec_tuple = '('
for row in list[0:list_length-1]:
rec_tuple += str(row)
rec_tuple += ','
rec_tuple += str(list[list_length-1])
rec_tuple += ')'
else: rec_tuple = '()'
return rec_tuple
def last_updated_result(rank_method_code, recid_list):
""" return the last value of dictionary in rnkMETHODDATA table if it exists and
initialize the value of last updated records by zero,otherwise an initial dictionary
with zero as value for all recids
"""
result = make_initial_result()
query = """select relevance_data from rnkMETHOD, rnkMETHODDATA where
rnkMETHOD.id = rnkMETHODDATA.id_rnkMETHOD and rnkMETHOD.Name = '%s'"""% rank_method_code
dict = run_sql(query)
if dict and dict[0] and dict[0][0]:
#has to be prepared for corrupted data!
try:
dic = marshal.loads(decompress(dict[0][0]))
except error:
return result
query = "select object_value from rnkCITATIONDATA where object_name='citationdict'"
cit_compressed = run_sql(query)
cit = []
if cit_compressed and cit_compressed[0] and cit_compressed[0][0]:
cit = marshal.loads(decompress(cit_compressed[0][0]))
if cit:
query = "select object_value from rnkCITATIONDATA where object_name='reversedict'"
ref_compressed = run_sql(query)
if ref_compressed and ref_compressed[0] and ref_compressed[0][0]:
ref = marshal.loads(decompress(ref_compressed[0][0]))
result = get_initial_result(dic, cit, ref, recid_list)
return result
def get_initial_result(dic, cit, ref, recid_list):
"""initialize the citation weights of the last updated record with zero for
recalculating it later
"""
for recid in recid_list:
dic[recid] = 0
cit[recid] = []
if ref.has_key(recid) and ref[recid]:
for id in ref[recid]:
if cit.has_key(id) and recid in cit[id]:
cit[id].remove(recid)
if dic.has_key(id):
dic[id] -= 1
if cit.has_key(recid) and cit[recid]:
for id in cit[recid]:
if ref.has_key(id) and recid in ref[id]:
ref[id].remove(recid)
ref[recid] = []
return [dic, cit, ref]
def make_initial_result():
"""return an initial dictinary with recID as key and zero as value
"""
dic = {}
cit = {}
ref = {}
query = "select id from bibrec"
res = run_sql(query)
for key in res:
dic[key[0]] = 0
cit[key[0]] = []
ref[key[0]] = []
return [dic, cit, ref]
def get_citation_informations(recid_list, config):
"""returns a 3-part dictionary that contains the citation information of cds records
examples: [ {} {} {} ]
[ { 93: ['astro-ph/9812088']},{ 93: ['Phys. Rev. Lett. 96 (2006) 081301'] }, {} ]
NB: stuff here is for analysing new or changed records. see "ref_analyzer" for more.
"""
begin_time = os.times()[4]
d_reports_numbers = {}
d_references_report_numbers = {}
d_references_s = {}
d_records_s = {}
citation_informations = []
record_pri_number_tag = config.get(config.get("rank_method", "function"),"publication_primary_number_tag")
record_add_number_tag = config.get(config.get("rank_method", "function"),"publication_aditional_number_tag")
reference_number_tag = config.get(config.get("rank_method", "function"),"publication_reference_number_tag")
reference_tag = config.get(config.get("rank_method", "function"),"publication_reference_tag")
record_publication_info_tag = config.get(config.get("rank_method", "function"),"publication_info_tag")
p_record_pri_number_tag = parse_tag(record_pri_number_tag)
p_record_add_number_tag = parse_tag(record_add_number_tag)
p_reference_number_tag = parse_tag(reference_number_tag)
p_reference_tag = parse_tag(reference_tag)
p_record_publication_info_tag = parse_tag(record_publication_info_tag)
for recid in recid_list:
xml = print_record(int(recid),'xm')
rs = create_records(xml)
recs = map((lambda x:x[0]), rs)
l_report_numbers = []
for rec in recs:
pri_report_number = record_get_field_values(rec, p_record_pri_number_tag[0],
ind1=p_record_pri_number_tag[1],
ind2=p_record_pri_number_tag[2],
code=record_pri_number_tag[3])
add_report_numbers = record_get_field_values(rec, p_record_add_number_tag[0],
ind1=p_record_add_number_tag[1],
ind2=p_record_add_number_tag[2],
code=record_add_number_tag[3])
if pri_report_number:
l_report_numbers.extend(pri_report_number)
if add_report_numbers:
l_report_numbers.extend(add_report_numbers)
d_reports_numbers[recid] = l_report_numbers
reference_report_number = record_get_field_values(rec, p_reference_number_tag[0],
ind1=p_reference_number_tag[1],
ind2=p_reference_number_tag[2],
code=p_reference_number_tag[3])
if reference_report_number:
d_references_report_numbers[recid] = reference_report_number
references_s = record_get_field_values(rec, p_reference_tag[0],
ind1=p_reference_tag[1],
ind2=p_reference_tag[2],
code=p_reference_tag[3])
if references_s:
d_references_s[recid] = references_s
record_s = record_get_field_values(rec,
p_record_publication_info_tag[0],
ind1=p_record_publication_info_tag[1],
ind2=p_record_publication_info_tag[2],
code=p_record_publication_info_tag[3])
if record_s:
d_records_s[recid] = record_s[0]
citation_informations.append(d_reports_numbers)
citation_informations.append(d_references_report_numbers)
citation_informations.append(d_references_s)
citation_informations.append(d_records_s)
end_time = os.times()[4]
print "Execution time for generating citation informations by parsing xml contents: ", (end_time - begin_time)
return citation_informations
def get_self_citations(new_record_list, citationdic, initial_selfcitdict, config):
"""Check which items have been cited by one of the authors of the
citing item: go through id's in new_record_list, use citationdic to get citations,
update "selfcites". Selfcites is originally initial_selfcitdict. Return selfcites.
"""
i = 0 #just for debugging ..
selfcites = initial_selfcitdict
for k in new_record_list:
i = i+1
if task_get_option('verbose') >= 3:
if (i % 100 == 0):
write_message("Done "+str(i)+" records",sys.stderr)
#get the author of k
xml = print_record(int(k),'xm')
rs = create_records(xml)
recs = map((lambda x:x[0]), rs)
for rec in recs:
#author tag
author = record_get_field_value(rec,"100","","","a")
otherauthors = record_get_field_values(rec,"700","","","a")
moreauthors = record_get_field_values(rec,"720","","","a")
authorlist = [author]
authorlist.extend(otherauthors)
authorlist.extend(moreauthors)
#print "record "+str(k)+" by "+str(authorlist)
#print "is cited by"
#get the "x-cites-this" list
if citationdic.has_key(k):
xct = citationdic[k]
for c in xct:
cxml = print_record(int(c),'xm')
crs = create_records(cxml)
crecs = map((lambda x:x[0]), crs)
for crec in crecs:
cauthor = record_get_field_value(crec,"100","","","a")
cotherauthors = record_get_field_values(crec,"700","","","a")
cmoreauthors = record_get_field_values(crec,"720","","","a")
cauthorlist = [cauthor]
cauthorlist.extend(cotherauthors)
cauthorlist.extend(cmoreauthors)
#print str(c)+" by "+str(cauthorlist)
for ca in cauthorlist:
if (ca in authorlist):
if selfcites.has_key(k):
val = selfcites[k]
#add only if not there already
if val:
if not c in val:
val.append(c)
selfcites[k] = val
else:
selfcites[k] = [c]
return selfcites
def get_author_citations(updated_redic_list, citedbydict, initial_author_dict):
"""Traverses citedbydict in order to build "which author is quoted where" dict.
The keys of this are author names. An entry like "Apollinaire"->[1,2,3] means
Apollinaire is cited in records 1,2 and 3.
Input: citedbydict, updated_redic_list = records to be searched, initial_author_dict:
the dicts from the database.
Output: authorciteddict. It is initially set to initial_author_dict
"""
author_cited_in = initial_author_dict
if citedbydict:
i = 0 #just a counter for debug
write_message("Checking records referred to in new records",sys.stderr)
for u in updated_redic_list:
if citedbydict.has_key(u):
these_cite_k = citedbydict[u]
if (these_cite_k is None):
these_cite_k = [] #verify it is an empty list, not None
xml = print_record(int(u),'xm')
rs = create_records(xml)
recs = map((lambda x:x[0]), rs)
authors = get_authors_in_records(recs)
for a in authors:
if a and author_cited_in.has_key(a):
#add all elements in these_cite_k
#that are not there already
for citer in these_cite_k:
tmplist = author_cited_in[a]
if (tmplist.count(citer) == 0):
tmplist.append(citer)
author_cited_in[a] = tmplist
else:
author_cited_in[a] = these_cite_k
#go through the dictionary again: all keys but search only if new records are cited
write_message("Checking authors in new records",sys.stderr)
for k in citedbydict.keys():
these_cite_k = citedbydict[k]
if (these_cite_k is None):
these_cite_k = [] #verify it is an empty list, not None
#do things only if these_cite_k contains any new stuff
intersec_list = list(set(these_cite_k)&set(updated_redic_list))
if intersec_list:
xml = print_record(int(u),'xm')
rs = create_records(xml)
recs = map((lambda x:x[0]), rs)
authors = get_authors_in_records(recs)
for a in authors:
if a and author_cited_in.has_key(a):
#add all elements in these_cite_k
#that are not there already
for citer in these_cite_k:
tmplist = author_cited_in[a]
if (tmplist.count(citer) == 0):
tmplist.append(citer)
author_cited_in[a] = tmplist
else:
author_cited_in[a] = these_cite_k
return author_cited_in
def get_authors_in_records(recs):
"""An aux function to avoid code duplication"""
authors = []
for rec in recs:
#make a list of entries in all author tags
author = record_get_field_value(rec,"100","","","a")
otherauthors = record_get_field_values(rec,"700","","","a")
moreauthors = record_get_field_values(rec,"720","","","a")
authors = moreauthors
authors.extend(otherauthors)
authors.append(author)
return authors
def ref_analyzer(citation_informations, initialresult, initial_citationlist, initial_referencelist,config, updated_rec_list ):
"""Analyze the citation informations and calculate the citation weight
and cited by list dictionary.
"""
pubrefntag = record_pri_number_tag = config.get(config.get("rank_method", "function"),"publication_reference_number_tag")
pubreftag = record_pri_number_tag = config.get(config.get("rank_method", "function"),"publication_reference_tag")
#pubrefntab is prob 999C5r, pubreftab 999c5s
citation_list = initial_citationlist
reference_list = initial_referencelist
result = initialresult
d_reports_numbers = citation_informations[0]
d_references_report_numbers = citation_informations[1]
d_references_s = citation_informations[2] #of type: {77: ['Nucl. Phys. B 72 (1974) 461','blah blah'], 93: ['..'], ..}
d_records_s = citation_informations[3]
t1 = os.times()[4]
if task_get_option('verbose') >= 1:
write_message("Phase 1: d_references_report_numbers",sys.stderr)
#d_references_report_numbers: e.g 8 -> ([astro-ph/9889],[hep-ph/768])
#meaning: rec 8 contains these in bibliography
#debug: add ref lit to tmpcit
#for k in reference_list.keys():
# li = reference_list[k]
# for l in li:
# write_citer_cited(k,l)
for recid, refnumbers in d_references_report_numbers.iteritems():
for refnumber in refnumbers:
if refnumber:
p = refnumber
f = 'reportnumber'
#sanitise p
p.replace("\n",'')
#search for "hep-th/5644654 or such" in existing records
rec_id = get_recids_matching_query(p, f)
if rec_id and rec_id[0]:
write_citer_cited(recid,rec_id[0])
remove_from_missing(p)
if result.has_key(rec_id[0]):
result[rec_id[0]] += 1
# Citation list should have rec_id[0] but check anyway
if citation_list.has_key(rec_id[0]):
citation_list[rec_id[0]].append(recid)
else:
citation_list[rec_id[0]] = [recid]
if reference_list.has_key(recid):
reference_list[recid].append(rec_id[0])
else:
reference_list[recid] = [rec_id[0]]
else:
#the reference we wanted was not found among our records.
#put the reference in the "missing"
insert_into_missing(recid,p)
t2 = os.times()[4]
if task_get_option('verbose') >= 1:
write_message("Phase 2: d_references_s",sys.stderr)
for recid, refss in d_references_s.iteritems():
for refs in refss:
if refs:
p = refs
f = 'publref'
rec_id = get_recids_matching_query(p, f)
if rec_id and not recid in citation_list[rec_id[0]]:
result[rec_id[0]] += 1
citation_list[rec_id[0]].append(recid)
if rec_id and not rec_id[0] in reference_list[recid]:
reference_list[recid].append(rec_id[0])
t3 = os.times()[4]
if task_get_option('verbose') >= 1:
write_message("Phase 3: d_reports_numbers",sys.stderr)
for rec_id, recnumbers in d_reports_numbers.iteritems():
for recnumber in recnumbers:
if recnumber:
p = recnumber
recid_list = get_recids_matching_query(p, pubrefntag)
if recid_list:
for recid in recid_list:
if not citation_list.has_key(rec_id):
citation_list[rec_id] = []
if not recid in citation_list[rec_id]:
result[rec_id] += 1
citation_list[rec_id].append(recid)
if not reference_list.has_key(recid):
reference_list[recid] = []
if not rec_id in reference_list[recid]:
reference_list[recid].append(rec_id)
if task_get_option('verbose') >= 1:
write_message("Phase 4: d_records_s",sys.stderr)
t4 = os.times()[4]
for recid, recs in d_records_s.iteritems():
tmp = recs.find("-")
if tmp < 0:
recs_modified = recs
else:
recs_modified = recs[:tmp]
p = recs_modified
rec_ids = get_recids_matching_query(p, pubreftab)
if rec_ids:
for rec_id in rec_ids:
if not rec_id in citation_list[recid]:
result[recid] += 1
citation_list[recid].append(rec_id)
if not recid in reference_list[rec_id]:
reference_list[rec_id].append(recid)
if task_get_option('verbose') >= 1:
write_message("Phase 5: reverse lists",sys.stderr)
#remove empty lists in citation and reference
keys = citation_list.keys()
for k in keys:
if not citation_list[k]:
del citation_list[k]
keys = reference_list.keys()
for k in keys:
if not reference_list[k]:
del reference_list[k]
if task_get_option('verbose') >= 1:
write_message("Phase 6: self-citations",sys.stderr)
selfdic = {}
#get the initial self citation dict
initial_self_dict = get_cit_dict("selfcitdict")
#add new records to selfdic
selfdic = get_self_citations(updated_rec_list, citation_list, initial_self_dict, config)
#selfdic consists of
#key k -> list of values [v1,v2,..]
#where k is a record with author A and k cites v1,v2.. and A appears in v1,v2..
#create a reverse "x cited by y" self cit dict
selfcitedbydic = {}
for k in selfdic.keys():
vlist = selfdic[k]
for v in vlist:
if selfcitedbydic.has_key(v):
tmplist = selfcitedbydic[v]
tmplist.append(k)
else:
tmplist = [k]
selfcitedbydic[v] = tmplist
if task_get_option('verbose') >= 1:
write_message("Getting author citations",sys.stderr)
#get author citations for records in updated_rec_list
initial_author_dict = get_initial_author_dict()
authorcitdic = get_author_citations(updated_rec_list, citation_list, initial_author_dict)
if task_get_option('verbose') >= 3:
#print only 100 first to prevent flood
tmpdict = {}
tmp =citation_list.keys()[0:100]
for t in tmp:
tmpdict[t] = citation_list[t]
write_message("citation_list (x is cited by y): "+str(tmpdict),sys.stderr)
write_message("size: "+str(len(citation_list.keys())),sys.stderr)
tmp = reference_list.keys()[0:100]
tmpdict = {}
for t in tmp:
tmpdict[t] = reference_list[t]
write_message("reference_list (x cites y): "+str(tmpdict),sys.stderr)
write_message("size: "+str(len(reference_list.keys())),sys.stderr)
tmp = selfcitedbydic.keys()[0:100]
tmpdict = {}
for t in tmp:
tmpdict[t] = selfcitedbydic[t]
write_message("selfcitedbydic (x is cited by y and one of the authors of x same as y's): "+str(tmpdict),sys.stderr)
write_message("size: "+str(len(selfcitedbydic.keys())),sys.stderr)
tmp = selfdic.keys()[0:100]
tmpdict = {}
for t in tmp:
tmpdict[t] = selfdic[t]
write_message("selfdic (x cites y and one of the authors of x same as y's): "+str(tmpdict),sys.stderr)
write_message("size: "+str(len(selfdic.keys())),sys.stderr)
tmp = authorcitdic.keys()[0:100]
tmpdict = {}
for t in tmp:
tmpdict[t] = authorcitdic[t]
write_message("authorcitdic (author is cited in recs): "+str(tmpdict),sys.stderr)
write_message("size: "+str(len(authorcitdic.keys())),sys.stderr)
insert_cit_ref_list_intodb(citation_list, reference_list, selfcitedbydic, selfdic, authorcitdic)
t5 = os.times()[4]
print "\nExecution time for analyzing the citation information generating the dictionary: "
print "checking ref number: ", (t2-t1)
print "checking ref ypvt: ", (t3-t2)
print "checking rec number: ", (t4-t3)
print "checking rec ypvt: ", (t5-t4)
print "total time of ref_analyze: ", (t5-t1)
return result
def get_decompressed_xml(xml):
"""return a decompressed content of xml into a xml content
"""
decompressed_xml = create_records(decompress(xml))
return decompressed_xml
def insert_cit_ref_list_intodb(citation_dic, reference_dic, selfcbdic,selfdic, authorcitdic):
"""Insert the reference and citation list into the database"""
date = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
insert_into_cit_db(reference_dic,"reversedict")
insert_into_cit_db(citation_dic,"citationdict")
insert_into_cit_db(selfcbdic,"selfcitedbydict")
insert_into_cit_db(selfdic,"selfcitdict")
#update author-citations.. but make sure the table exists
sql = """CREATE TABLE IF NOT EXISTS rnkAUTHORDATAR (aterm varchar(50) default NULL,
hitlist longblob, UNIQUE KEY aterm (aterm))"""
try:
run_sql(sql)
except:
pass
for a in authorcitdic.keys():
lserarr = (serialize_via_marshal(authorcitdic[a]))
#author name: replace " with something else
a.replace('"','\'')
a = unicode(a,'utf-8')
try:
ablob = run_sql('select hitlist from rnkAUTHORDATAR where aterm ="'+a+'"')
if not (ablob):
#print "insert into rnkAUTHORDATAR(aterm,hitlist) values (%s,%s)" , (a,lserarr)
run_sql("insert into rnkAUTHORDATAR(aterm,hitlist) values (%s,%s)" , (a,lserarr))
else:
#print "UPDATE rnkAUTHORDATAR SET hitlist = %s where aterm=%s""" , (lserarr,a)
run_sql("UPDATE rnkAUTHORDATAR SET hitlist = %s where aterm=%s""" , (lserarr,a))
except:
print "Critical error: could not write rnkAUTHORDATAR into db. aterm="+a+" hitlist="+str(lsearr)
traceback.print_tb(sys.exc_info()[2])
def insert_into_cit_db(dic,name):
"""an aux thing to avoid repeating code"""
date = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
try:
s = serialize_via_marshal(dic)
print "size of "+name+" "+str(len(s))
run_sql("UPDATE rnkCITATIONDATA SET object_value = %s where object_name='"+name+"'", (s, ))
run_sql("UPDATE rnkCITATIONDATA SET last_updated = '"+date+"' where object_name='"+name+"'")
except:
print "Critical error: could not write "+name+" into db"
traceback.print_tb(sys.exc_info()[2])
def get_cit_dict(name):
"""get a named citation dict from the db"""
dict = {}
try:
query = "select object_value from rnkCITATIONDATA where object_name='"+name+"'"
dict = run_sql(query)
if dict and dict[0] and dict[0][0]:
dict_from_db = marshal.loads(decompress(dict[0][0]))
return dict_from_db
except:
print "Critical error: could not read "+name+" from db"
traceback.print_tb(sys.exc_info()[2])
return dict
def get_initial_author_dict():
"""read author->citedinlist dict from the db"""
dict = {}
try:
ah = run_sql("select aterm,hitlist from rnkAUTHORDATAR")
for (a,h) in ah:
dict[a] = deserialize_via_marshal(h)
return dict
except:
print "Critical error: could not read "+name+" from db"
traceback.print_tb(sys.exc_info()[2])
dict = {}
return dict
def insert_into_missing(recid,report):
"""put the referingrecordnum-publicationstring into the "we are missing these" table"""
report.replace('"','\'')
sql = "select id_bibrec from rnkCITATIONDATAEXT where id_bibrec="+str(recid)+" and pubinfo=\""+report+"\""
wasalready = run_sql(sql)
if not wasalready:
sql = "insert into rnkCITATIONDATAEXT(id_bibrec,pubinfo) values ("+str(recid)+",\""+report+"\")"
try:
run_sql(sql)
except:
#we should complain but it can result to million lines of warnings so just pass..
pass
def remove_from_missing(report):
"""remove the recid-ref -pairs from the "missing" table for report x: prob
in the case ref got in our library collection"""
report.replace('"','\'')
sql = "delete from rnkCITATIONDATAEXT where pubinfo=\""+report+"\""
try:
run_sql(sql)
except:
#we should complain but it can result to million lines of warnings so just pass..
pass
def create_analysis_tables():
"""temporary simple table + index"""
sql1 = "CREATE TABLE IF NOT EXISTS tmpcit (citer mediumint(10), cited mediumint(10)) TYPE=MyISAM"
sql2 = "CREATE UNIQUE INDEX citercited on tmpcit(citer,cited)"
sql3 = "CREATE INDEX citer on tmpcit(citer)"
sql4 = "CREATE INDEX cited on tmpcit(cited)"
try:
run_sql(sql1)
run_sql(sql2)
run_sql(sql3)
run_sql(sql4)
except:
pass
def write_citer_cited(citer,cited):
"""write an entry to tmp table"""
sql = "insert into tmpcit(citer,cited) values ("+str(citer)+","+str(cited)+")"
try:
run_sql(sql)
except:
pass

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