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bibrank_citation_indexer.py
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Fri, Aug 23, 03:35
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text/x-python
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Sun, Aug 25, 03:35 (2 d)
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R3600 invenio-infoscience
bibrank_citation_indexer.py
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## $Id$
## This file is part of the CERN Document Server Software (CDSware).
## Copyright (C) 2002 CERN.
##
## The CDSware 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.
##
## The CDSware 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 CDSware; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
<
protect
>
# -*- coding: utf-8 -*-</protect>
<
protect
>
## $Id$</protect>
<
protect
>
## DO NOT EDIT THIS FILE! IT WAS AUTOMATICALLY GENERATED FROM CDSware WML SOURCES.</protect>
import
MySQLdb
import
time
import
os
from
marshal
import
loads
,
dumps
from
zlib
import
decompress
,
compress
from
dbquery
import
run_sql
from
search_engine
import
print_record
,
search_pattern
from
bibrecord
import
create_records
,
record_get_field_values
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
=
search_pattern
(
p
=
pvalue
,
f
=
fvalue
,
m
=
'e'
)
.
tolist
()
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 inforamtion
"""
begin_time
=
time
.
time
()
last_update_time
=
get_bibrankmethod_lastupdate
(
rank_method_code
)
last_modified_records
=
get_last_modified_rec
(
last_update_time
)
if
last_modified_records
:
updated_recid_list
=
create_recordid_list
(
last_modified_records
)
result_intermediate
=
last_updated_result
(
rank_method_code
,
updated_recid_list
)
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
)
dic
=
ref_analyzer
(
citation_informations
,
citation_weight_dic_intermediate
,
citation_list_intermediate
,
reference_list_intermediate
)
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
)
return
last_update_time
[
0
][
0
]
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
"""
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
:
dic
=
loads
(
decompress
(
dict
[
0
][
0
]))
query
=
"select citation_data from rnkCITATIONDATA"
cit_compressed
=
run_sql
(
query
)
cit
=
loads
(
decompress
(
cit_compressed
[
0
][
0
]))
query
=
"select citation_data_reversed from rnkCITATIONDATA"
ref_compressed
=
run_sql
(
query
)
ref
=
loads
(
decompress
(
ref_compressed
[
0
][
0
]))
result
=
get_initial_result
(
dic
,
cit
,
ref
,
recid_list
)
else
:
result
=
make_initial_result
()
return
result
def
get_initial_result
(
dic
,
cit
,
ref
,
recid_list
):
"""initialieze 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
)
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
):
"""return une dictionary that contains the citation information of cds records
"""
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"
)
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
,
record_pri_number_tag
[
0
:
3
],
code
=
record_pri_number_tag
[
3
])
add_report_numbers
=
record_get_field_values
(
rec
,
record_add_number_tag
[
0
:
3
],
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
,
reference_number_tag
[
0
:
3
],
ind1
=
reference_number_tag
[
3
],
ind2
=
reference_number_tag
[
4
],
code
=
reference_number_tag
[
5
])
if
reference_report_number
:
d_references_report_numbers
[
recid
]
=
reference_report_number
references_s
=
record_get_field_values
(
rec
,
reference_tag
[
0
:
3
],
ind1
=
reference_tag
[
3
],
ind2
=
reference_tag
[
4
],
code
=
reference_tag
[
5
])
if
references_s
:
d_references_s
[
recid
]
=
references_s
record_s
=
record_get_field_values
(
rec
,
record_publication_info_tag
[
0
:
3
],
ind1
=
''
,
ind2
=
''
,
code
=
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 inforamtions by parsing xml contents: "
,
(
end_time
-
begin_time
)
return
citation_informations
def
ref_analyzer
(
citation_informations
,
initialresult
,
initial_citationlist
,
initial_referencelist
):
"""Analyze the citation informations and calculate the citation weight
and cited by list dictionary
"""
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
]
d_records_s
=
citation_informations
[
3
]
t1
=
os
.
times
()[
4
]
for
recid
,
refnumbers
in
d_references_report_numbers
.
iteritems
():
for
refnumber
in
refnumbers
:
p
=
refnumber
f
=
'reportnumber'
rec_id
=
get_recids_matching_query
(
p
,
f
)
if
rec_id
:
result
[
rec_id
[
0
]]
+=
1
citation_list
[
rec_id
[
0
]]
.
append
(
recid
)
reference_list
[
recid
]
.
append
(
rec_id
[
0
])
t2
=
os
.
times
()[
4
]
for
recid
,
refss
in
d_references_s
.
iteritems
():
for
refs
in
refss
:
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
]
for
rec_id
,
recnumbers
in
d_reports_numbers
.
iteritems
():
for
recnumber
in
recnumbers
:
p
=
recnumber
f
=
'999C5r'
recid_list
=
get_recids_matching_query
(
p
,
f
)
if
recid_list
:
for
recid
in
recid_list
:
if
not
recid
in
citation_list
[
rec_id
]:
result
[
rec_id
]
+=
1
citation_list
[
rec_id
]
.
append
(
recid
)
if
not
rec_id
in
reference_list
[
recid
]:
reference_list
[
recid
]
.
append
(
rec_id
)
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
f
=
'999C5s'
rec_ids
=
get_recids_matching_query
(
p
,
f
)
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
)
t5
=
os
.
times
()[
4
]
insert_cit_ref_list_intodb
(
citation_list
,
reference_list
)
print
"
\n
Execution time for analizing 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 refAnalize: "
,
(
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
):
"""Insert the reference and citation list into the database"""
date
=
time
.
strftime
(
"%Y-%m-
%d
%H:%M:%S"
,
time
.
localtime
())
id
=
run_sql
(
"SELECT * from rnkCITATIONDATA "
)
if
id
:
run_sql
(
"update rnkCITATIONDATA set citation_data_reversed = '
%s
'"
%
(
get_compressed_dictionary
(
reference_dic
)))
run_sql
(
"update rnkCITATIONDATA set citation_data = '
%s
'"
%
(
get_compressed_dictionary
(
citation_dic
)))
else
:
run_sql
(
"INSERT INTO rnkCITATIONDATA VALUES ('
%s
', null)"
%
(
get_compressed_dictionary
(
citation_dic
)))
run_sql
(
"update rnkCITATIONDATA set citation_data_reversed = '
%s
'"
%
(
get_compressed_dictionary
(
reference_dic
)))
def
get_compressed_dictionary
(
dic
):
"""Serialize Python object vi a marshal into a compressed string."""
return
MySQLdb
.
escape_string
(
compress
(
dumps
(
dic
)))
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