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tn_mapper.py
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tn_mapper.py
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from akara import logger
from dplaingestion.utilities import iterify
from dplaingestion.selector import exists, getprop
from dplaingestion.mappers.mods_mapper import MODSMapper
from dplaingestion.textnode import textnode
class TNMapper(MODSMapper):
def __init__(self, provider_data):
super(TNMapper, self).__init__(provider_data)
def map_multiple_fields(self):
self.map_spatial_and_subject_and_temporal()
def map_is_part_of(self):
path = "/metadata/mods/relatedItem"
collections = []
if exists(self.provider_data, path):
for relatedItem in iterify(getprop(self.provider_data, path)):
title, description = "", ""
if "displayLabel" in relatedItem \
and "titleInfo" in relatedItem:
title = relatedItem["titleInfo"]["title"]
if "abstract" in relatedItem:
description = relatedItem["abstract"]
if title:
collections.append({"title": title,
"description": description,
"@id": "",
"id": ""})
if collections:
self.update_source_resource({"collection": collections})
# helper function for the next two functions
def name_part(self, role_type):
prop = "/metadata/mods/name"
results = []
if exists(self.provider_data, prop):
for name in iterify(getprop(self.provider_data, prop)):
if "role" in name and "namePart" in name:
for role in iterify(name["role"]):
rt = [textnode(role.get("roleTerm"))]
if role_type in rt:
name_value = name['namePart']
if isinstance(name_value, list):
for n in name_value:
results.append(n)
else:
results.append(textnode(name_value))
return results
def map_contributor(self):
contributor = self.name_part("Contributor")
if len(contributor) > 0:
self.update_source_resource({"contributor": contributor})
def map_creator(self):
creators = self.name_part("Creator")
if len(creators) > 0:
self.update_source_resource({"creator": creators})
def map_date(self):
path = "/metadata/mods/originInfo/dateCreated/#text"
if exists(self.provider_data, path):
date_created = getprop(self.provider_data, path)
if date_created:
self.update_source_resource({"date": date_created})
def map_description(self):
description = []
path = "/metadata/mods/abstract"
for d in iterify(getprop(self.provider_data, path, True)):
description.append(textnode(d))
if description:
self.update_source_resource({"description": description})
def map_extent(self):
path = "/metadata/mods/physicalDescription/extent"
extents = []
if exists(self.provider_data, path):
for e in iterify(getprop(self.provider_data, path)):
extents.append(textnode(e))
if extents:
self.update_source_resource({"extent": extents})
def map_format(self):
path = "/metadata/mods/physicalDescription/form"
formats = []
if exists(self.provider_data, path):
for f in iterify(getprop(self.provider_data, path)):
formats.append(textnode(f))
if formats:
self.update_source_resource({"format": formats})
def map_identifier(self):
path = "/metadata/mods/identifier"
identifiers = []
if exists(self.provider_data, path):
for tn_id in iterify(getprop(self.provider_data, path)):
identifiers.append(textnode(tn_id))
if identifiers:
self.update_source_resource({"identifier": identifiers})
def map_language(self):
path = "/metadata/mods/language/languageTerm"
lang = []
if exists(self.provider_data, path):
for l in iterify(getprop(self.provider_data, path)):
if "type" in l and "authority" in l \
and l["type"] == "code" \
and l["authority"] == "iso639-2b":
lang.append(textnode(l))
if lang:
self.update_source_resource({"language": lang})
def map_publisher(self):
path = "/metadata/mods/originInfo/publisher"
pub = []
if exists(self.provider_data, path):
for p in iterify(getprop(self.provider_data, path)):
pub.append(textnode(p))
if pub:
self.update_source_resource({"publisher": pub})
def map_rights(self):
path = "/metadata/mods/accessCondition"
rights = []
if exists(self.provider_data, path):
for r in iterify(getprop(self.provider_data, path)):
t = getprop(r, "type", True)
if t and t == "local rights statement":
rights.append(textnode(r))
if rights:
self.update_source_resource({"rights": rights})
def map_edm_rights(self):
path = "/metadata/mods/accessCondition"
edm_rights = ""
if exists(self.provider_data, path):
for r in iterify(getprop(self.provider_data, path)):
t = getprop(r, "type", True)
rs = getprop(r, "xlink:href", True)
if t and rs and t == "use and reproduction":
edm_rights = textnode(rs)
if edm_rights:
self.mapped_data.update({"rights": edm_rights})
def map_spatial_and_subject_and_temporal(self):
path = "/metadata/mods/subject"
subject_props = ['topic', 'genre', 'occupation', "/titleInfo/title"]
spatials = []
temporals = []
subjects = []
if exists(self.provider_data, path):
for subject in iterify(getprop(self.provider_data, path)):
if "cartographics" in subject and \
"coordinates" in subject["cartographics"]:
coord = subject["cartographics"]["coordinates"]
spatials.append({"name": coord })
if "geographic" in subject:
for g in iterify(getprop(subject, "geographic")):
spatials.append({"name": textnode(g)})
if "temporal" in subject:
for t in iterify(getprop(subject, "temporal")):
temporals.append(textnode(t))
for s_path in subject_props:
for s in iterify(getprop(subject, s_path, True)):
subjects.append(textnode(s))
if spatials:
self.update_source_resource({"spatial": spatials})
if temporals:
self.update_source_resource({"temporal": temporals})
if subjects:
self.update_source_resource({"subject": subjects})
def map_title(self):
path = "/metadata/mods/titleInfo"
titles = []
if exists(self.provider_data, path):
for t in iterify(getprop(self.provider_data, path)):
if exists(t, "title") and not exists(t, "title/type"):
for title in iterify(getprop(t, "title")):
titles.append(textnode(title))
if titles:
self.update_source_resource({"title": titles})
def map_type(self):
path = "/metadata/mods/typeOfResource"
path_form = "/metadata/mods/physicalDescription/form"
if not exists(self.provider_data, path):
path = path_form
if exists(self.provider_data, path):
types = []
for t in iterify(getprop(self.provider_data, path)):
types.append(textnode(t))
if types:
self.update_source_resource({"type": types})
def map_data_provider(self, prop="source"):
path = "/metadata/mods/recordInfo/recordContentSource"
data_provider = []
if exists(self.provider_data, path):
for dp in iterify(getprop(self.provider_data, path)):
data_provider.append(textnode(dp))
self.mapped_data.update({"dataProvider": data_provider[0]})
def map_is_shown_at(self):
path = "/metadata/mods/location"
if exists(self.provider_data, path):
for locations in iterify(getprop(self.provider_data, path)):
if exists(locations, "url"):
for url in iterify(getprop(locations, "url")):
if(exists(url, "usage") and exists(url, "access")
and url["usage"].lower().startswith("primary")
and url["access"].lower() == "object in context"):
self.mapped_data.update({"isShownAt": textnode(url)})
def map_object(self):
path = "/metadata/mods/location"
if exists(self.provider_data, path):
for locations in iterify(getprop(self.provider_data, path)):
if exists(locations, "url"):
for url in iterify(getprop(locations, "url")):
if(exists(url, "access")
and url["access"].lower() == "preview"):
self.mapped_data.update({"object": textnode(url)})
def map_intermediate_provider(self):
path = "/metadata/mods/note"
im_prov = []
if exists(self.provider_data, path):
for note in iterify(getprop(self.provider_data, path)):
if "displayLabel" in note \
and "#text" in note \
and note["displayLabel"] == "Intermediate Provider":
im_prov.append(textnode(note))
# There can be only one.
if im_prov:
self.mapped_data.update({"intermediateProvider": im_prov[0]})
@classmethod
def log(self, label, obj):
logger.error(label + ": " + str(obj))