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R3600/modules/bibharvest/lib/bibharvestadminlib.py
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bibharvestadminlib.py
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## $Id$
## Administrator interface for BibIndex
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 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.
"""CDS Invenio Bibharvest Administrator Interface."""
__revision__ = "$Id$"
import re
import os, sys, string
import ConfigParser
import time
import random
import urllib
from httplib import InvalidURL
from invenio.config import \
cdslang, \
tmpdir, \
version, \
weburl,\
etcdir
from invenio.bibrankadminlib import \
write_outcome,modify_translations,\
get_def_name,\
get_i8n_name,\
get_name,\
get_rnk_nametypes,\
get_languages,\
check_user,\
is_adminuser,\
adderrorbox,\
addadminbox,\
tupletotable,\
tupletotable_onlyselected,\
addcheckboxes,\
createhiddenform,\
from invenio.dbquery import run_sql, escape_string
from invenio.webpage import page, pageheaderonly, pagefooteronly
from invenio.webuser import getUid, get_email
import invenio.template
bibharvest_templates = invenio.template.load('bibharvest')
tmppath = tmpdir + '/bibharvestadmin.' + str(os.getpid())
guideurl = "admin/bibharvest/guide.html"
freqs = [[0, "never"], [24, "daily"], [168, "weekly"], [720, "monthly"] ]
posts = [["h", "harvest only (h)"], ["h-c", "harvest and convert (h-c)"], ["h-u", "harvest and upload (h-u)"], ["h-c-u", "harvest, convert and upload (h-c-u)"], ["h-c-f-u", "harvest, convert, filter, upload (h-c-f-u)"]]
dates = [[0, "from beginning"], [1, "from today"]]
def getnavtrail(previous = ''):
"""Get the navtrail"""
return bibharvest_templates.tmpl_getnavtrail(previous = previous, ln = cdslang)
def perform_request_index(ln=cdslang):
"""start area for administering harvesting from OAI repositories"""
titlebar = bibharvest_templates.tmpl_draw_titlebar(ln = cdslang, weburl = weburl, title = "Overview of sources", guideurl = guideurl, extraname = "add new OAI source" , extraurl = "admin/bibharvest/bibharvestadmin.py/addsource" )
titlebar2 = bibharvest_templates.tmpl_draw_titlebar(ln = cdslang, weburl = weburl, title = "Harvesting status", guideurl = guideurl)
header = ['name', 'baseURL', 'metadataprefix', 'frequency', 'bibconvertfile', 'postprocess', 'actions']
header2 = ['name', 'last update']
oai_src = get_oai_src()
upd_status = get_update_status()
sources = []
for (oai_src_id,oai_src_name,oai_src_baseurl,oai_src_prefix,oai_src_frequency,oai_src_config,oai_src_post,oai_src_bibfilter,oai_src_setspecs) in oai_src:
namelinked_args = []
namelinked_args.append(["oai_src_id", str(oai_src_id)])
namelinked_args.append(["ln", ln])
namelinked = bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/editsource", title = oai_src_name, args = namelinked_args)
freq = "Not Set"
if oai_src_frequency==0: freq = "never"
elif oai_src_frequency==24: freq = "daily"
elif oai_src_frequency==168: freq = "weekly"
elif oai_src_frequency==720: freq = "monthly"
editACTION = bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/editsource", title = "edit", args = namelinked_args)
delACTION = bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/delsource", title = "delete", args = namelinked_args)
action = editACTION + " / " + delACTION
sources.append([namelinked,oai_src_baseurl,oai_src_prefix,freq,oai_src_config,oai_src_post, action])
updates = []
for (upd_name, upd_status) in upd_status:
if not upd_status:
upd_status = bibharvest_templates.tmpl_print_warning(cdslang, "Never harvested")
else: #cut away leading zeros
upd_status = re.sub(r'\.[0-9]+$', '', str(upd_status))
updates.append([upd_name, upd_status])
(schtime, schstatus) = get_next_schedule()
if schtime:
schtime = re.sub(r'\.[0-9]+$', '', str(schtime))
output = titlebar
output += bibharvest_templates.tmpl_output_numbersources(cdslang, get_tot_oai_src())
output += tupletotable(header=header, tuple=sources)
output += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += titlebar2
output += bibharvest_templates.tmpl_output_schedule(cdslang, schtime, str(schstatus))
output += tupletotable(header=header2, tuple=updates)
return output
def perform_request_editsource(oai_src_id=None, oai_src_name='', oai_src_baseurl='', oai_src_prefix='', oai_src_frequency='', oai_src_config='', oai_src_post='',ln=cdslang, confirm=-1, oai_src_sets=[], oai_src_bibfilter=''):
"""creates html form to edit a OAI source. this method is calling other methods which again is calling this and sending back the output of the method.
confirm - determines the validation status of the data input into the form"""
if oai_src_id is None:
return "No OAI source ID selected."
output = ""
subtitle = bibharvest_templates.tmpl_draw_subtitle(ln = cdslang, weburl = weburl, title = "edit source", subtitle = "Edit OAI source", guideurl = guideurl)
if confirm in [-1, "-1"]:
oai_src = get_oai_src(oai_src_id)
oai_src_name = oai_src[0][1]
oai_src_baseurl = oai_src[0][2]
oai_src_prefix = oai_src[0][3]
oai_src_frequency = oai_src[0][4]
oai_src_config = oai_src[0][5]
oai_src_post = oai_src[0][6]
oai_src_sets = oai_src[0][7].split()
oai_src_bibfilter = oai_src[0][8]
text = bibharvest_templates.tmpl_print_brs(cdslang, 1)
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang, title = "Source name", name = "oai_src_name", value = oai_src_name)
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang, title = "Base URL", name = "oai_src_baseurl", value = oai_src_baseurl)
sets = findSets(oai_src_baseurl)
if sets:
# Show available sets to users
sets_specs = [set[0] for set in sets]
sets_names = [set[1] for set in sets]
sets_labels = [((set[1] and set[0]+' ('+set[1]+')') or set[0]) \
for set in sets]
sets_states = [ ((set[0] in oai_src_sets and 1) or 0) for set in sets]
text += bibharvest_templates.tmpl_admin_checkboxes(ln=cdslang,
title="Sets",
name="oai_src_sets",
values=sets_specs,
labels=sets_labels,
states=sets_states)
else:
# Let user specify sets in free textbox
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang,
title = "Sets",
name='oai_src_sets',
value=' '.join(oai_src_sets))
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang, title = "Metadata prefix", name = "oai_src_prefix", value = oai_src_prefix)
text += bibharvest_templates.tmpl_admin_w200_select(ln = cdslang, title = "Frequency", name = "oai_src_frequency", valuenil = "- select frequency -" , values = freqs, lastval = oai_src_frequency)
text += bibharvest_templates.tmpl_admin_w200_select(ln = cdslang, title = "Postprocess", name = "oai_src_post", valuenil = "- select mode -" , values = posts, lastval = oai_src_post)
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang, title = "BibConvert configuration file (if needed by postprocess)", name = "oai_src_config", value = oai_src_config)
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang, title = "BibFilter program (if needed by postprocess)", name = "oai_src_bibfilter", value = oai_src_bibfilter)
text += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += createhiddenform(action="editsource#1",
text=text,
button="Modify",
oai_src_id=oai_src_id,
ln=ln,
confirm=1)
if confirm in [1, "1"] and not oai_src_name:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please enter a name for the source.")
elif confirm in [1, "1"] and not oai_src_prefix:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please enter a metadata prefix.")
elif confirm in [1, "1"] and not oai_src_baseurl:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please enter a base url.")
elif confirm in [1, "1"] and not oai_src_frequency:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please choose a frequency of harvesting")
elif confirm in [1, "1"] and not oai_src_post:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please choose a postprocess mode")
elif confirm in [1, "1"] and oai_src_post.startswith("h-c") and (not oai_src_config or validatefile(oai_src_config)!=0):
output += bibharvest_templates.tmpl_print_info(cdslang, "You selected a postprocess mode which involves conversion.")
output += bibharvest_templates.tmpl_print_info(cdslang, "Please enter a valid name of or a full path to a BibConvert config file or change postprocess mode.")
elif oai_src_id > -1 and confirm in [1, "1"]:
if not oai_src_frequency:
oai_src_frequency = 0
if not oai_src_config:
oai_src_config = "NULL"
if not oai_src_post:
oai_src_post = "h"
res = modify_oai_src(oai_src_id, oai_src_name, oai_src_baseurl, oai_src_prefix, oai_src_frequency, oai_src_config, oai_src_post, oai_src_sets, oai_src_bibfilter)
output += write_outcome(res)
lnargs = [["ln", ln]]
output += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/index", title = "Go back to the OAI sources overview", args = lnargs )
body = [output]
return addadminbox(subtitle, body)
def perform_request_addsource(oai_src_name=None, oai_src_baseurl='', oai_src_prefix='', oai_src_frequency='', oai_src_lastrun='', oai_src_config='', oai_src_post='', ln=cdslang, confirm=-1, oai_src_sets=[], oai_src_bibfilter=''):
"""creates html form to add a new source"""
if oai_src_name is None:
return "No OAI source name selected."
subtitle = bibharvest_templates.tmpl_draw_subtitle(ln=cdslang,
weburl=weburl,
title="add source",
subtitle="Add new OAI source",
guideurl=guideurl)
output = ""
if confirm <= -1:
text = bibharvest_templates.tmpl_print_brs(cdslang, 1)
text += bibharvest_templates.tmpl_admin_w200_text(ln=cdslang,
title="Enter the base url",
name="oai_src_baseurl",
value=oai_src_baseurl+'http://')
output = createhiddenform(action="addsource",
text=text,
ln=ln,
button="Validate",
confirm=0)
if (confirm not in ["-1", -1] and validate(oai_src_baseurl)[0] == 0) or \
confirm in ["1", 1]:
output += bibharvest_templates.tmpl_output_validate_info(cdslang, 0, str(oai_src_baseurl))
output += bibharvest_templates.tmpl_print_brs(cdslang, 2)
text = bibharvest_templates.tmpl_admin_w200_text(ln=cdslang,
title="Source name",
name="oai_src_name",
value=oai_src_name)
metadatas = findMetadataFormats(oai_src_baseurl)
if metadatas:
# Show available metadata to user
prefixes = []
for value in metadatas:
prefixes.append([value, str(value)])
text += bibharvest_templates.tmpl_admin_w200_select(ln=cdslang,
title="Metadata prefix",
name="oai_src_prefix",
valuenil="- select prefix -" ,
values=prefixes,
lastval=oai_src_prefix)
else:
# Let user specify prefix in free textbox
text += bibharvest_templates.tmpl_admin_w200_text(ln=cdslang,
title="Metadata prefix",
name="oai_src_prefix",
value=oai_src_prefix)
sets = findSets(oai_src_baseurl)
if sets:
# Show available sets to users
sets_specs = [set[0] for set in sets]
sets_names = [set[1] for set in sets]
sets_labels = [((set[1] and set[0]+' ('+set[1]+')') or set[0]) \
for set in sets]
sets_states = [ ((set[0] in oai_src_sets and 1) or 0) \
for set in sets]
text += bibharvest_templates.tmpl_admin_checkboxes(ln=cdslang,
title="Sets",
name="oai_src_sets",
values=sets_specs,
labels=sets_labels,
states=sets_states)
else:
# Let user specify sets in free textbox
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang,
title = "Sets",
name='oai_src_sets',
value=' '.join(oai_src_sets))
text += bibharvest_templates.tmpl_admin_w200_select(ln = cdslang, title = "Frequency", name = "oai_src_frequency", valuenil = "- select frequency -" , values = freqs, lastval = oai_src_frequency)
text += bibharvest_templates.tmpl_admin_w200_select(ln = cdslang, title = "Starting date", name = "oai_src_lastrun", valuenil = "- select a date -" , values = dates, lastval = oai_src_lastrun)
text += bibharvest_templates.tmpl_admin_w200_select(ln = cdslang, title = "Postprocess", name = "oai_src_post", valuenil = "- select mode -" , values = posts, lastval = oai_src_post)
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang, title = "BibConvert configuration file (if needed by postprocess)", name = "oai_src_config", value = oai_src_config)
text += bibharvest_templates.tmpl_admin_w200_text(ln = cdslang, title = "BibFilter program (if needed by postprocess)", name = "oai_src_bibfilter", value = oai_src_bibfilter)
text += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += createhiddenform(action="addsource#1",
text=text,
button="Add OAI Source",
oai_src_baseurl=oai_src_baseurl,
ln=ln,
confirm=1)
elif confirm in ["0", 0] and validate(oai_src_baseurl)[0] > 0:
# Could not perform first url validation
lnargs = [["ln", ln]]
output += bibharvest_templates.tmpl_output_validate_info(cdslang, 1, str(oai_src_baseurl))
output += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/addsource", title = "Try again with another url", args = [])
output += """ or """
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/addsource", title = "Continue anyway", args = [['oai_src_baseurl', urllib.urlencode({'':oai_src_baseurl})[1:]], ['confirm', '1']])
output += bibharvest_templates.tmpl_print_brs(cdslang, 1)
output += """or"""
output += bibharvest_templates.tmpl_print_brs(cdslang, 1)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/index", title = "Go back to the OAI sources overview", args = lnargs)
elif confirm not in ["-1", -1] and validate(oai_src_baseurl)[0] > 0:
lnargs = [["ln", ln]]
output += bibharvest_templates.tmpl_output_validate_info(cdslang, 1, str(oai_src_baseurl))
output += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/addsource", title = "Try again", args = [])
output += bibharvest_templates.tmpl_print_brs(cdslang, 1)
output += """or"""
output += bibharvest_templates.tmpl_print_brs(cdslang, 1)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/index", title = "Go back to the OAI sources overview", args = lnargs)
elif confirm not in ["-1", -1]:
lnargs = [["ln", ln]]
output += bibharvest_templates.tmpl_output_error_info(cdslang, str(oai_src_baseurl), validate(oai_src_baseurl)[1])
output += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/addsource", title = "Try again", args = [])
output += bibharvest_templates.tmpl_print_brs(cdslang, 1)
output += """or"""
output += bibharvest_templates.tmpl_print_brs(cdslang, 1)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/index", title = "Go back to the OAI sources overview", args = lnargs)
if confirm in [1, "1"] and not oai_src_name:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please enter a name for the source.")
if confirm in [1, "1"] and not oai_src_prefix:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please enter a metadata prefix.")
if confirm in [1, "1"] and not oai_src_frequency:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please choose a frequency of harvesting")
if confirm in [1, "1"] and not oai_src_lastrun:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please choose the harvesting starting date")
if confirm in [1, "1"] and not oai_src_post:
output += bibharvest_templates.tmpl_print_info(cdslang, "Please choose a postprocess mode")
if confirm in [1, "1"] and oai_src_post.startswith("h-c") and (not oai_src_config or validatefile(oai_src_config)!=0):
output += bibharvest_templates.tmpl_print_info(cdslang, "You selected a postprocess mode which involves conversion.")
output += bibharvest_templates.tmpl_print_info(cdslang, "Please enter a valid name of or a full path to a BibConvert config file or change postprocess mode.")
elif oai_src_name and confirm in [1, "1"]:
if not oai_src_frequency:
oai_src_frequency = 0
if not oai_src_lastrun:
oai_src_lastrun = 1
if not oai_src_config:
oai_src_config = "NULL"
if not oai_src_post:
oai_src_post = "h"
res = add_oai_src(oai_src_name, oai_src_baseurl, oai_src_prefix, oai_src_frequency, oai_src_lastrun, oai_src_config, oai_src_post, oai_src_sets, oai_src_bibfilter)
output += write_outcome(res)
lnargs = [["ln", ln]]
output += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/index", title = "Go back to the OAI sources overview", args = lnargs )
body = [output]
return addadminbox(subtitle, body)
def perform_request_delsource(oai_src_id=None, ln=cdslang, callback='yes', confirm=0):
"""creates html form to delete a source
"""
output = ""
subtitle = ""
if oai_src_id:
oai_src = get_oai_src(oai_src_id)
namesrc = (oai_src[0][1])
pagetitle = """Delete OAI source: %s""" % namesrc
subtitle = bibharvest_templates.tmpl_draw_subtitle(ln = cdslang, weburl = weburl, title = "delete source", subtitle = pagetitle, guideurl = guideurl)
output = ""
if confirm in ["0", 0]:
if oai_src:
question = """Do you want to delete the OAI source '%s' and all its definitions?""" % namesrc
text = bibharvest_templates.tmpl_print_info(cdslang, question)
text += bibharvest_templates.tmpl_print_brs(cdslang, 3)
output += createhiddenform(action="delsource#5",
text=text,
button="Confirm",
oai_src_id=oai_src_id,
confirm=1)
else:
return bibharvest_templates.tmpl_print_info(cdslang, "Source specified does not exist.")
elif confirm in ["1", 1]:
res = delete_oai_src(oai_src_id)
if res[0] == 1:
output += bibharvest_templates.tmpl_print_info(cdslang, "Source removed.")
output += bibharvest_templates.tmpl_print_brs(cdslang, 1)
output += write_outcome(res)
else:
output += write_outcome(res)
lnargs = [["ln", ln]]
output += bibharvest_templates.tmpl_print_brs(cdslang, 2)
output += bibharvest_templates.tmpl_link_with_args(ln = cdslang, weburl = weburl, funcurl = "admin/bibharvest/bibharvestadmin.py/index", title = "Go back to the OAI sources overview", args = lnargs )
body = [output]
return addadminbox(subtitle, body)
##################################################################
### Here the functions to retrieve, modify, delete and add sources
##################################################################
def get_oai_src(oai_src_id=''):
"""Returns a row parameters for a given id"""
sql = "SELECT id,name,baseurl,metadataprefix,frequency,bibconvertcfgfile,postprocess,setspecs,bibfilterprogram FROM oaiHARVEST"
try:
if oai_src_id:
sql += " WHERE id=%s" % oai_src_id
sql += " ORDER BY id asc"
res = run_sql(sql)
return res
except StandardError, e:
return ""
def modify_oai_src(oai_src_id, oai_src_name, oai_src_baseurl, oai_src_prefix, oai_src_frequency, oai_src_config, oai_src_post, oai_src_sets=[], oai_src_bibfilter=''):
"""Modifies a row's parameters"""
try:
sql = "UPDATE oaiHARVEST SET name='%s' WHERE id=%s" % (escape_string(oai_src_name), oai_src_id)
res = run_sql(sql)
sql = "UPDATE oaiHARVEST SET baseurl='%s' WHERE id=%s" % (escape_string(oai_src_baseurl), oai_src_id)
res = run_sql(sql)
sql = "UPDATE oaiHARVEST SET metadataprefix='%s' WHERE id=%s" % (escape_string(oai_src_prefix), oai_src_id)
res = run_sql(sql)
sql = "UPDATE oaiHARVEST SET frequency='%s' WHERE id=%s" % (escape_string(oai_src_frequency), oai_src_id)
res = run_sql(sql)
sql = "UPDATE oaiHARVEST SET bibconvertcfgfile='%s' WHERE id=%s" % (escape_string(oai_src_config), oai_src_id)
res = run_sql(sql)
sql = "UPDATE oaiHARVEST SET postprocess='%s' WHERE id=%s" % (escape_string(oai_src_post), oai_src_id)
res = run_sql(sql)
sql = "UPDATE oaiHARVEST SET setspecs='%s' WHERE id=%s" % (escape_string(' '.join(oai_src_sets)), oai_src_id)
res = run_sql(sql)
sql = "UPDATE oaiHARVEST SET bibfilterprogram='%s' WHERE id=%s" % (escape_string(oai_src_bibfilter), oai_src_id)
res = run_sql(sql)
return (1, "")
except StandardError, e:
return (0, e)
def add_oai_src(oai_src_name, oai_src_baseurl, oai_src_prefix, oai_src_frequency, oai_src_lastrun, oai_src_config, oai_src_post, oai_src_sets=[], oai_src_bibfilter=''):
"""Adds a new row to the database with the given parameters"""
try:
if oai_src_lastrun in [0, "0"]: lastrun_mode = 'NULL'
else:
lastrun_mode = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
# lastrun_mode = "'"+lastrun_mode+"'"
sql = "INSERT INTO oaiHARVEST (id, baseurl, metadataprefix, arguments, comment, bibconvertcfgfile, name, lastrun, frequency, postprocess, bibfilterprogram, setspecs) VALUES (0, '%s', '%s', NULL, NULL, '%s', '%s', '%s', '%s', '%s', '%s', '%s')" % (escape_string(oai_src_baseurl), escape_string(oai_src_prefix), escape_string(oai_src_config), escape_string(oai_src_name), escape_string(lastrun_mode), escape_string(oai_src_frequency), escape_string(oai_src_post), escape_string(oai_src_bibfilter), escape_string(" ".join(oai_src_sets)))
res = run_sql(sql)
return (1, "")
except StandardError, e:
return (0, e)
def delete_oai_src(oai_src_id):
"""Deletes a row from the database according to its id"""
try:
res = run_sql("DELETE FROM oaiHARVEST WHERE id=%s" % oai_src_id)
return (1, "")
except StandardError, e:
return (0, e)
def get_tot_oai_src():
"""Returns number of rows in the database"""
try:
sql = "SELECT COUNT(*) FROM oaiHARVEST"
res = run_sql(sql)
return res[0][0]
except StandardError, e:
return ""
def get_update_status():
"""Returns a table showing a list of all rows and their LastUpdate status"""
try:
sql = "SELECT name,lastrun FROM oaiHARVEST ORDER BY lastrun desc"
res = run_sql(sql)
return res
except StandardError, e:
return ""
def get_next_schedule():
"""Returns the next scheduled oaiharvestrun tasks"""
try:
sql = "SELECT runtime,status FROM schTASK WHERE proc='oaiharvest' AND runtime > now() ORDER by runtime LIMIT 1"
res = run_sql(sql)
if len(res)>0:
return res[0]
else:
return ("", "")
except StandardError, e:
return ("","")
def validate(oai_src_baseurl):
"""This function validates a baseURL by opening its URL and 'greping' for the <OAI-PMH> and <Identify> tags:
Codes:
0 = okay
1 = baseURL not valid
2 = baseURL not found/not existing
3 = tmp directoy is not writable
4 = Unknown error
Returns tuple (code, message)
"""
try:
url = oai_src_baseurl + "?verb=Identify"
urllib.urlretrieve(url, tmppath)
# First check if we have xml oai-pmh output
grepOUT1 = os.popen('grep -iwc "<OAI-PMH" '+tmppath).read()
if int(grepOUT1) == 0:
# No.. we have an http error
return (4, os.popen('cat '+tmppath).read())
grepOUT2 = os.popen('grep -iwc "<identify>" '+tmppath).read()
if int(grepOUT2) > 0:
#print "Valid!"
return (0, '')
else:
#print "Not valid!"
return (1, '')
except IOError, (errno, strerror):
# Quick error handling for frequent error codes.
if errno == 13:
return (3, "Please check permission on %s and retry" % tmpdir)
elif errno == 2 or errno == 'socket error':
return (2, "Could not connect with URL %s. Check URL or retry when server is available." % url)
return (4, strerror)
except StandardError, e:
return (4, "An unknown error has occured")
except InvalidURL, e:
return (2, "Could not connect with URL %s. Check URL or retry when server is available." % url)
def validatefile(oai_src_config):
"""This function checks whether the given path to text file exists or not
0 = okay
1 = file non existing
"""
CFG_BIBCONVERT_XSL_PATH = "%s%sbibconvert%sconfig" % (etcdir,
os.sep,
os.sep)
path_to_config = (CFG_BIBCONVERT_XSL_PATH + os.sep +
oai_src_config)
if os.path.exists(path_to_config):
# Try to read in config directory
try:
ftmp = open(path_to_config, 'r')
cfgstr= ftmp.read()
ftmp.close()
if cfgstr!="":
#print "Valid!"
return 0
except StandardError, e:
pass
# Try to read as complete path
try:
ftmp = open(oai_src_config, 'r')
cfgstr= ftmp.read()
ftmp.close()
if cfgstr!="":
#print "Valid!"
return 0
else:
#print "Not valid!"
return 1
except StandardError, e:
return 1
return 1
def findMetadataFormats(oai_src_baseurl):
"""This function finds the Metadata formats offered by a OAI repository by analysing the output of verb=ListMetadataFormats"""
formats = []
url = oai_src_baseurl + "?verb=ListMetadataFormats"
try:
urllib.urlretrieve(url, tmppath)
except IOError:
return formats
ftmp = open(tmppath, 'r')
xmlstr= ftmp.read()
ftmp.close()
chunks = xmlstr.split('<metadataPrefix>')
count = 0 # first chunk is invalid
for chunk in chunks:
if count!=0:
formats.append(chunk.split('</metadataPrefix>')[0])
count = count + 1
return formats
def findSets(oai_src_baseurl):
"""This function finds the sets offered by a OAI repository
by analysing the output of verb=ListSets.
Returns list of tuples(SetSpec, SetName)"""
url = oai_src_baseurl + "?verb=ListSets"
sets = {}
try:
urllib.urlretrieve(url, tmppath)
except IOError:
return sets
ftmp = open(tmppath, 'r')
xmlstr= ftmp.read()
ftmp.close()
chunks = xmlstr.split('<set>')
count = 0 # first chunk is invalid
for chunk in chunks:
if count!=0:
chunks_set = chunk.split('<setSpec>')[1].split("</setSpec>")
set_spec = chunks_set[0]
#chunks_set[1].split('<setName>')
check_set_2 = chunks_set[1].split("<setName>")
set_name = None
if len(check_set_2) > 1:
set_name = check_set_2[1].split("</setName>")[0]
sets[set_spec] = [set_spec, set_name]
count = count + 1
return sets.values()
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