def decode_record(self, record):
r"""
>>> reader = Reader('http://opac.uthsc.edu', 2)
>>> raw = "\nLEADER 00000cas 2200517 a 4500 \n001 1481253 \n003 OCoLC \n005 19951109120000.0 \n008 750727c19589999fr qrzp b 0 b0fre d \n010 sn 86012727 \n022 0003-3995 \n030 AGTQAH \n035 0062827|bMULS|aPITT NO. 0639600000|asa64872000|bFULS \n040 MUL|cMUL|dFUL|dOCL|dCOO|dNYG|dHUL|dSER|dAIP|dNST|dAGL|dDLC\n |dTUM \n041 0 engfre|bgeritaspa \n042 nsdp \n049 TUMS \n069 1 A32025000 \n210 0 Ann. genet. \n222 0 Annales de genetique \n229 00 Annales de genetique \n229 Ann Genet \n242 00 Annals on genetics \n245 00 Annales de genetique. \n260 Paris :|bExpansion scientifique,|c1958-2004. \n300 v. :|bill. ;|c28 cm. \n310 Quarterly \n321 Two no. a year \n362 0 1,1958-47,2004. \n510 1 Excerpta medica \n510 1 Index medicus|x0019-3879 \n510 2 Biological abstracts|x0006-3169 \n510 2 Chemical abstracts|x0009-2258 \n510 2 Life sciences collection \n510 0 Bulletin signaletique \n510 0 Current contents \n546 French and English, with summaries in German, Italian, and\n Spanish. \n550 Journal of the Societe francaise de genetique. \n650 2 Genetics|vPeriodicals. \n710 2 Societ\xe9 fran\xe7aise de genetique. \n785 00 |tEuropean journal of medical genetics. \n856 41 |uhttp://library.uthsc.edu/ems/eresource/3581|zFull text \n at ScienceDirect: 43(1) Jan 2000 - 47(4) Dec 2004 \n936 Unknown|ajuin 1977 \n"
>>> record = reader.decode_record(raw)
>>> print record.title
Annales de genetique
"""
pseudo_marc = record.strip().split('\n')
raw_fields = []
if pseudo_marc[0][0:6] == 'LEADER':
record = Record()
record.leader = pseudo_marc[0][7:].strip()
else:
return None
for field in pseudo_marc[1:]:
tag = field[:3]
data = unescape_entities(field[6:].decode('latin1')).encode('utf8')
if tag.startswith(' '):
# Additional field data needs to be prepended with an extra space
# for certain fields ...
#for special_tag in ('55','260'):
# data = " %s" % (data,) if tag.startswith(special_tag) else data
data = " %s" % (data.strip(),)
raw_fields[-1]['value'] = "%s%s" % (raw_fields[-1]['value'], data)
raw_fields[-1]['raw'] = "%s%s" % (raw_fields[-1]['raw'], field.strip())
else:
data = data if (tag < '010' and tag.isdigit()) else "a%s" % (data,)
raw_fields.append({
'tag': tag,
'indicator1': field[3],
'indicator2': field[4],
'value': data.strip(),
'raw': field.strip()
})
for raw in raw_fields:
tag = raw['tag']
data = raw['value'].strip()
field = Field(tag=tag, indicators=[raw['indicator1'], raw['indicator2']], data=data)
if not field.is_control_field():
for sub in data.split('|'):
try:
field.add_subfield(sub[0].strip(), sub[1:].strip())
except Exception:
# Skip blank/empty subfields
continue
record.add_field(field)
record.parse_leader()
# Disregard record if no title present
if not record.get_fields('245'):
return None
else:
return record
class JsonHandler:
"""Handle JSON."""
def __init__(self):
"""Init."""
self.records = []
self._record = None
self._field = None
self._text = []
def element(self, element_dict, name=None):
"""Converts a JSON `element_dict` to pymarc fields."""
if not name:
self._record = Record()
self.element(element_dict, "leader")
elif name == "leader":
self._record.leader = element_dict[name]
self.element(element_dict, "fields")
elif name == "fields":
fields = iter(element_dict[name])
for field in fields:
tag, remaining = field.popitem()
self._field = Field(tag)
if self._field.is_control_field():
self._field.data = remaining
else:
self.element(remaining, "subfields")
self._field.indicators.extend(
[remaining["ind1"], remaining["ind2"]])
self._record.add_field(self._field)
self.process_record(self._record)
elif name == "subfields":
subfields = iter(element_dict[name])
for subfield in subfields:
code, text = subfield.popitem()
self._field.add_subfield(code, text)
def elements(self, dict_list):
"""Sends `dict_list` to `element`."""
if type(dict_list) is not list:
dict_list = [dict_list]
for rec in dict_list:
self.element(rec)
return self.records
def process_record(self, record):
"""Append `record` to `self.records`."""
self.records.append(record)
class JsonHandler:
def __init__(self):
self.records = []
self._record = None
self._field = None
self._text = []
def element(self, element_dict, name=None):
if not name:
self._record = Record()
self.element(element_dict, 'leader')
elif name == 'leader':
self._record.leader = element_dict[name]
self.element(element_dict, 'fields')
elif name == 'fields':
fields = iter(element_dict[name])
for field in fields:
tag, remaining = field.popitem()
self._field = Field(tag)
if self._field.is_control_field():
self._field.data = remaining
else:
self.element(remaining, 'subfields')
self._field.indicators.extend(
[remaining['ind1'], remaining['ind2']])
self._record.add_field(self._field)
self.process_record(self._record)
elif name == 'subfields':
subfields = iter(element_dict[name])
for subfield in subfields:
code, text = subfield.popitem()
self._field.add_subfield(code, text)
def elements(self, dict_list):
if type(dict_list) is not list:
dict_list = [dict_list]
for rec in dict_list:
self.element(rec)
return self.records
def process_record(self, record):
self.records.append(record)
