def create_999_field(rec, oclc_nums):
rec_003 = rec.get_fields('003')[0].value()
rec_001 = rec.get_fields('001')[0].value()
rec_999s = rec.get_fields('999')
if len(rec_999s) == 0:
new_999 = Field(tag='999', indicators=[' ',' '], subfields=['i',rec_001])
for oclc_num in oclc_nums:
new_999.add_subfield('o',oclc_num)
rec_orig.add_ordered_field(new_999)
rec.add_ordered_field(new_999)
msg += 'Record 999: '+new_999.value()+'\n'
elif len(rec_999s) > 0:
msg += 'ERROR-MISC: Record contains at least one 999 field\n'
for rec_999 in rec_999s:
msg += ' '+rec_999+'\n'
def create_999_field(rec, oclc_nums):
rec_003 = rec.get_fields('003')[0].value()
rec_001 = rec.get_fields('001')[0].value()
rec_999s = rec.get_fields('999')
if len(rec_999s) == 0:
new_999 = Field(tag='999',
indicators=[' ', ' '],
subfields=['i', rec_001])
for oclc_num in oclc_nums:
new_999.add_subfield('o', oclc_num)
rec_orig.add_ordered_field(new_999)
rec.add_ordered_field(new_999)
msg += 'Record 999: ' + new_999.value() + '\n'
elif len(rec_999s) > 0:
msg += 'ERROR-MISC: Record contains at least one 999 field\n'
for rec_999 in rec_999s:
msg += ' ' + rec_999 + '\n'
def process_001_003_fields(rec_orig, rec, oclc_nums_bsns_all):
msg = ''
oclc_id = ''
inst_id = ''
oclc_match = False
rec_003_value = rec.get_fields('003')[0].value() # the institutional code from the 003 (either "OCLC" or a partner institution)
rec_001_value = rec.get_fields('001')[0].value() # the local record number from the 001 (either the OCLC number or the partner's BSN)
# Process OCLC records exported from Connexion
if rec_001_value.startswith('o'):
oclc_id = '('+rec_003_value+')'+rec_001_value
msg += 'OCLC ID: '+oclc_id+'\n'
# for oclc records, add a new 999 $i subfield containing the orig record's 001/003 data using txt file
# extract list of OCLC numbers for this OCLC record from 035 subfields $a and $z
rec_oclc_nums = set()
if len(rec.get_fields('035')) > 0: # check if there are any 035 fields in the OCLC record
for rec_035 in rec.get_fields('035'): # iterate through each of the 035 fields
rec_035az = rec_035.get_subfields('a','z') # capture all the subfields a or z in the 035 field
if len(rec_035az) > 0: # check if any subfields a or z exist
for this_az in rec_035az: # iterate through each of the subfields a or z
this_oclc_num = strip_number(this_az) # strip the subfield data down to just the OCLC number digits
rec_oclc_nums.add(this_oclc_num) # add the number to the list of this record's OCLC numbers
msg += ' oclc_rec_035_num: '+str(this_az)+'\n'
for line in oclc_nums_bsns_all: # iterate through each of the lines in the txt file containing 001s/003s and OCLC numbers from original records
if line.startswith('003'): # this is the first header line in the txt file
# skip the header row
skipped_line = line
else:
# process the line data from the oclc_nums_bsns_all txt file
line_data = line.split(',')
line_003 = line_data[0].strip() # capture the partner's institution code
line_001 = line_data[1].strip() # capture the partner's bsn
line_oclc_nums = line_data[2].strip() # capture the corresponding OCLC numbers and remove any white space around them
line_oclc_nums = line_oclc_nums.strip('"') # remove the quotes around the OCLC number(s)
line_oclc_nums = line_oclc_nums.split('|') # create a list of the OCLC numbers based on the pipe delimiter, in case there are more than one
# iterate through this record's OCLC numbers to see if one is in the list of all OCLC numbers for this batch
for rec_oclc_num in rec_oclc_nums:
for line_oclc_num in line_oclc_nums:
if line_oclc_num == rec_oclc_num:
oclc_match = True
inst_id = line_003+'_'+line_001
msg += 'Institution ID: '+inst_id+'\n'
# delete the existing 001/003 fields from the OCLC record containing the OCLC number and symbol
rec.remove_field(rec.get_fields('003')[0])
rec.remove_field(rec.get_fields('001')[0])
# add new 001/003 fields to the OCLC record containing the partner's bsn and institution code
new_003 = Field(tag='003', data=line_003)
rec.add_ordered_field(new_003)
new_001 = Field(tag='001', data=line_001)
rec.add_ordered_field(new_001)
if not oclc_match:
msg += 'ERROR-MISC: OCLC numbers in this OCLC record did not match any original record\n'
# Process Original Records (no OCLC record found in Connexion)
else:
inst_id = rec_003_value+'_'+rec_001_value
msg += 'Institution ID: '+inst_id+'\n'
# for orig records, delete all existing 035 fields
if len(rec.get_fields('035')) > 0:
for rec_035 in rec.get_fields('035'):
msg += ' orig_rec_035 num: '+str(rec_035)+'\n'
rec.remove_field(rec_035) # delete this 035 field
rec_999s = rec.get_fields('999')
if len(rec_999s) == 0:
if oclc_id == '':
new_999_nums = Field(tag='999', indicators=[' ',' '], subfields=['i',inst_id])
else:
new_999_nums = Field(tag='999', indicators=[' ',' '], subfields=['i',inst_id,'o',oclc_id])
rec_orig.add_ordered_field(new_999_nums)
rec.add_ordered_field(new_999_nums)
msg += 'Record 999: '+new_999_nums.value()+'\n'
elif len(rec_999s) > 1:
msg += 'ERROR-MISC: Record contains multiple 999 fields\n'
for rec_999 in rec_999s:
msg += ' '+rec_999+'\n'
elif len(rec_999s) == 1:
new_999 = deepcopy(rec_999s[0])
for new_999e in new_999.get_subfields('e'):
# delete any existing subfield $e in the new 999 field
new_999.delete_subfield('e')
msg += 'Record 999: '+new_999.value()+'\n'
return (rec_orig, rec, oclc_id, inst_id, oclc_match, msg)
def bib_patches(system, library, agent, vendor, bib):
"""
Treatment of specific records; special cases
"""
# nypl remove OCLC prefix & add appropriate 910 tag
if system == "nypl":
if "001" in bib:
controlNo = bib.get_fields("001")[0].data
changed, controlNo = remove_oclc_prefix(controlNo)
if changed:
bib.remove_fields("001")
field = Field(tag="001", data=controlNo)
bib.add_ordered_field(field)
bib.remove_fields("910")
tag_910 = create_tag_910(system, library)
bib.add_ordered_field(tag_910)
# nypl branches cat patch for BT Series
if (
system == "nypl"
and library == "branches"
and agent == "cat"
and vendor == "BT SERIES"
):
# parse the call number
new_callno = []
pos = 0
if "091" in bib:
callno = bib.get_fields("091")[0].value()
# langugage and audience prefix
if callno[:6] == "J SPA ":
new_callno.extend(["p", "J SPA"])
elif callno[:2] == "J ":
new_callno.extend(["p", "J"])
# format prefix
if "GRAPHIC " in callno:
new_callno.extend(["f", "GRAPHIC"])
elif "HOLIDAY " in callno:
new_callno.extend(["f", "HOLIDAY"])
elif "YR " in callno:
new_callno.extend(["f", "YR"])
# main subfield
if "GN FIC " in callno:
pos = callno.index("GN FIC ") + 7
new_callno.extend(["a", "GN FIC"])
elif "FIC " in callno:
pos = callno.index("FIC ") + 4
new_callno.extend(["a", "FIC"])
elif "PIC " in callno:
pos = callno.index("PIC ") + 4
new_callno.extend(["a", "PIC"])
elif callno[:4] == "J E ":
pos = callno.index("J E ") + 4
new_callno.extend(["a", "E"])
elif callno[:8] == "J SPA E ":
pos = callno.index("J SPA E ") + 8
new_callno.extend(["a", "E"])
# cutter subfield
new_callno.extend(["c", callno[pos:]])
field = Field(tag="091", indicators=[" ", " "], subfields=new_callno)
# verify nothing has been lost
if callno != field.value():
raise AssertionError(
"Constructed call # does not match original."
"New={}, original={}".format(callno, field.value())
)
else:
# if correct remove the original and replace with new
bib.remove_fields("091")
bib.add_ordered_field(field)
return bib
