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Report_Number_Generation.py
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Report_Number_Generation.py
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## This file is part of Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## 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.
##
## 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 Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""Description: function Report_Number_Generation
This function creates a reference for the submitted
document and saves it in the specified file.
Author: T.Baron"""
__revision__ = "$Id$"
import os
import re
import time
from invenio.config import CFG_WEBSUBMIT_COUNTERSDIR
from invenio.websubmit_config import InvenioWebSubmitFunctionError
def Report_Number_Generation(parameters, curdir, form, user_info=None):
"""
This function creates a reference for the submitted
document and saves it in the specified 'edsrn' file.
After generating the reference, also sets the global variable 'rn'
containing this reference.
Parameters:
* edsrn: name of the file in which the reference is saved
* autorngen: one of "A", "N", "Y"
"A": The reference is the submission number
"N": The reference is taken from a file [edsrn]
"Y": The reference is generated
* rnin: name of the file containing the category
* counterpath: path to the counter file note you can use:
<PA>yy</PA> to include year
<PA>categ</PA> to include category of the
submission
<PA>file[re]:name_of_file[regular expression to match]</PA> first line of file
generated by submission, matching [re]
<PA>file*[re]:name_of_file [regular expression to match]</PA> all the lines of
a file genereated during submission, matching [re]
separated by - (dash) char .
* rnformat: format for the generated reference. You can use:
<PA>yy</PA> to include year
<PA>categ</PA> to include category of the
submission
<PA>file[re]:name_of_file[regular expression to match]</PA> first line of file
generated by submission, matching [re]
<PA>file*[re]:name_of_file [regular expression to match]</PA> all the lines of
a file genereated during submission, matching [re]
separated by - (dash) char .
* yeargen: if "AUTO", current year, else the year is
extracted from the file [yeargen]
* nblength: the number of digits for the report
number. Eg: '3' for XXX-YYYY-025 or '4'
for XXX-YYYY-0025. If more are needed
(all available digits have been used),
the length is automatically
extended. Choose 1 to never have leading
zeros. Default length: 3.
"""
global doctype, access, act, dir, rn
# The program must automatically generate the report number
# What is the length of the generated report number?
nb_length = 3
if parameters.has_key('nblength') and parameters['nblength'].isdigit():
nb_length = int(parameters['nblength'])
# Generate Year
if parameters['autorngen'] == "Y":
if parameters['yeargen'] == "AUTO":
# Current year is used
yy = time.strftime("%Y")
else :
# If yeargen != auto then the contents of the file named 'yeargen' is used
# Assumes file uses DD-MM-YYYY format
fp = open("%s/%s" % (curdir, parameters['yeargen']), "r")
mydate = fp.read()
fp.close()
yy = re.sub("^......", "", mydate)
# Evaluate category - Category is read from the file named 'rnin
if os.path.isfile("%s/%s" % (curdir,parameters['rnin'])):
fp = open("%s/%s" % (curdir,parameters['rnin']), "r")
category = fp.read()
category = category.replace("\n", "")
else:
category = ""
def get_pa_tag_content(pa_content):
"""Get content for <PA>XXX</PA>.
@param pa_content: MatchObject for <PA>(.*)</PA>.
return: if pa_content=yy => 4 digits year
if pa_content=categ =>category
if pa_content=file[re]:a_file => first line of file a_file matching re
if pa_content=file*p[re]:a_file => all lines of file a_file, matching re,
separated by - (dash) char.
"""
pa_content=pa_content.groupdict()['content']
sep = '-'
out = ''
if pa_content=='yy':
out = yy
elif pa_content=='categ':
out = category
elif pa_content.startswith('file'):
filename = ""
with_regexp = 0
regexp = ""
if "[" in pa_content:
with_regexp = 1
split_index_start = pa_content.find("[")
split_index_stop = pa_content.rfind("]")
regexp = pa_content[split_index_start+1:split_index_stop]
filename = pa_content[split_index_stop+2:]#]:
else :
filename = pa_content.split(":")[1]
if os.path.exists(os.path.join(curdir, filename)):
fp = open(os.path.join(curdir, filename), 'r')
if pa_content[:5]=="file*":
out = sep.join(map(lambda x: re.split(regexp,x.strip())[-1], fp.readlines()))
else:
out = re.split(regexp, fp.readline().strip())[-1]
fp.close()
return out
counter_path = re.sub('<PA>(?P<content>[^<]*)</PA>',
get_pa_tag_content,
parameters['counterpath'])
counter_path = counter_path.replace(" ", "")
counter_path = counter_path.replace("\n", "")
rn_format = re.sub('<PA>(?P<content>[^<]*)</PA>',
get_pa_tag_content,
parameters['rnformat'])
# Check if the report number does not already exists
if os.path.exists("%s/%s" % (curdir, parameters['edsrn'])):
fp = open("%s/%s" % (curdir, parameters['edsrn']), "r")
oldrn = fp.read()
fp.close()
if oldrn != "" and not re.search("\?\?\?", oldrn):
rn = oldrn
return ""
# create it
rn = Create_Reference(counter_path, rn_format, nb_length)
rn = rn.replace("\n", "")
rn = rn.replace("\r", "")
rn = rn.replace("\015", "")
rn = rn.replace("\013", "")
rn = rn.replace("\012", "")
# The file edsrn is created in the submission directory, and it stores the report number
fp = open("%s/%s" % (curdir, parameters['edsrn']), "w")
fp.write(rn)
fp.close()
# The report number is just read from a specified file
elif parameters['autorngen'] == "N":
fp = open("%s/%s" % (curdir, parameters['edsrn']), "r")
rn = fp.read()
fp.close()
# Some documents are really annoying and insist on a totally different way of doing things
# This code is for documents which have the access number in the report
# number (instead of using a counter)
elif parameters['autorngen'] == "A":
rn = parameters['rnformat'].replace("<PA>access</PA>", access)
# The file accessno/edsrn is created, and it stores the report number
fp = open("%s/%s" % (curdir, parameters['edsrn']), "w")
fp.write(rn)
fp.close()
return ""
def Create_Reference(counter_path, ref_format, nb_length=3):
"""From the counter-file for this document submission, get the next
reference number and create the reference.
"""
## Does the WebSubmit CFG_WEBSUBMIT_COUNTERSDIR directory exist? Create it if not.
if not os.path.exists(CFG_WEBSUBMIT_COUNTERSDIR):
## counters dir doesn't exist. Create:
try:
os.mkdir(CFG_WEBSUBMIT_COUNTERSDIR)
except:
## Unable to create the CFG_WEBSUBMIT_COUNTERSDIR Dir.
msg = "File System: Cannot create counters directory %s" % CFG_WEBSUBMIT_COUNTERSDIR
raise InvenioWebSubmitFunctionError(msg)
## Now, take the "counter_path", and split it into the head (the path
## to the counter file) and tail (the name of the counter file itself).
(head_cpath, tail_cpath) = os.path.split(counter_path)
if head_cpath.strip() != "":
## There is a "head" for counter-path. If these directories
## don't exist, make them:
if not os.path.exists("%s/%s" % (CFG_WEBSUBMIT_COUNTERSDIR, head_cpath)):
try:
os.makedirs(os.path.normpath("%s/%s" % (CFG_WEBSUBMIT_COUNTERSDIR, head_cpath)))
except OSError:
msg = "File System: no permission to create counters " \
"directory [%s/%s]" % (CFG_WEBSUBMIT_COUNTERSDIR, head_cpath)
raise InvenioWebSubmitFunctionError(msg)
## Now, if the counter-file itself doesn't exist, create it:
if not os.path.exists("%s/%s" % (CFG_WEBSUBMIT_COUNTERSDIR, counter_path)):
try:
fp = open("%s/%s" % (CFG_WEBSUBMIT_COUNTERSDIR, counter_path),"w")
except:
msg = "File System: no permission to write in counters " \
"directory %s" % CFG_WEBSUBMIT_COUNTERSDIR
raise InvenioWebSubmitFunctionError(msg)
else:
fp.write("0")
fp.close()
## retrieve current counter value
try:
fp = open("%s/%s" % (CFG_WEBSUBMIT_COUNTERSDIR, counter_path), "r")
except IOError:
## Unable to open the counter file for reading:
msg = "File System: Unable to read from counter-file [%s/%s]." \
% (CFG_WEBSUBMIT_COUNTERSDIR, counter_path)
raise InvenioWebSubmitFunctionError(msg)
else:
id = fp.read()
fp.close()
if id == "":
## The counter file seems to have been empty. Set the value to 0:
id = 0
## increment the counter by 1:
id = int(id) + 1
## store the new value in the counter file:
try:
fp = open("%s/%s" % (CFG_WEBSUBMIT_COUNTERSDIR, counter_path), "w")
except IOError:
## Unable to open the counter file for writing:
msg = "File System: Unable to write to counter-file [%s/%s]. " \
% (CFG_WEBSUBMIT_COUNTERSDIR, counter_path)
raise InvenioWebSubmitFunctionError(msg)
else:
fp.write(str(id))
fp.close()
## create final value
reference = ("%s-%0" + str(nb_length) + "d") % (ref_format,id)
## Return the report number prelude with the id concatenated on at the end
return reference

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