def _do_check(self, rdp):
if rdp.metadata.publicationYear is None:
return MetricResult(
sys.float_info.min,
"No publicationYear retrievable",
False
)
return MetricResult(rdp.metadata.publicationYear, "", True)
def _do_check(self, rdp):
factors = {
"k": 2 ** 10,
"m": 2 ** 20,
"g": 2 ** 30,
"t": 2 ** 40,
"p": 2 ** 50,
"e": 2 ** 60,
"z": 2 ** 70,
"y": 2 ** 80
}
size = 0
# Try metadata fields
for s in rdp.metadata.sizes:
m = re.match(r"(^\d+)\s*(k|m|g|t|p|e|z|y){0,1}i{0,1}b$", s, re.IGNORECASE)
# groups() allows to set a default value, but the index of the
# returned tuple is 0-based!
if m:
size += int(m.group(1)) * factors.get(m.groups("")[1].lower(), 1)
if size > 0:
return MetricResult(size, "Used metadata", True)
# Try headers
try:
for service_name in rdp.services:
service = rdp.services.get(service_name)
if service.can(RetrieveDataHttpHeaders()):
for headers in service.get_headers(rdp.pid):
size += int(headers["Content-Length"])
if size > 0:
return MetricResult(size, "Used headers", True)
except ValueError as e:
return MetricResult(-1, str(e), False)
return MetricResult(sys.float_info.min, "Could not determine size", False)
def _do_check(self, rdp):
for d in rdp.metadata.dates:
if d.type == "Issued":
return MetricResult(d.date.year, "", True)
return MetricResult(sys.float_info.min, "No IssueDate retrievable", False)
def _do_check(self, rdp):
return MetricResult(len(rdp.metadata.sizes), "", True)
def _do_check(self, rdp):
return MetricResult(len(rdp.metadata.descriptions), "", True)
def _do_check(self, rdp):
if not rdp.metadata.titles:
msg = "No titles could be retrieved"
return MetricResult(float(0), msg, True)
return MetricResult(len(rdp.metadata.titles), "", True)