def _getheader(uri):
"""
Internal method for accessing the storage system.
Given the vospace URI for fits file get the header of the file.
"""
#'https://www.cadc-ccda.hia-iha.nrc-cnrc.gc.ca/data/pub/vospace/OSSOS/dbimages/1616100/ccd00/1616100p00.psf.fits'
DATA_URL="https://www.cadc-ccda.hia-iha.nrc-cnrc.gc.ca/data/pub/vospace/"
url = DATA_URL+urlparse(uri).path
payload = {'fhead': 'true'}
r = requests.get(url, params=payload, cert=CERTFILE)
if r.status_code != 200:
logger.error("{}".format(r.status_code))
logger.error(r.content)
return None
str_header = r.content.split('\n')
headers = []
fobj = cStringIO.StringIO()
for line in str_header:
if "END" not in line[0:4]:
fobj.write(line + "\n")
continue
fobj.seek(0)
header = fits.header.Header.fromfile(fobj,
sep='\n',
endcard=False,
padding=False)
headers.append(header)
fobj.close()
fobj = cStringIO.StringIO()
# check if there are lines left in fobj and try to make a header from those.
fobj.seek(0,2)
if fobj.tell() > 0:
fobj.seek(0)
header = fits.header.Header.fromfile(fobj,
sep='\n',
endcard=False,
padding=False)
headers.append(header)
fobj.close()
return headers
def test_urlparse(self):
parts = vos.urlparse("http://www.test.com/path")
assert_that(parts.scheme, equal_to("http"))
assert_that(parts.netloc, equal_to("www.test.com"))
assert_that(parts.path, equal_to("/path"))
def test_urlparse_multi_depth_path(self):
parts = vos.urlparse("http://cadc.nrc.ca!vospace/multi/depth/path.ext")
assert_that(parts.scheme, equal_to("http"))
assert_that(parts.netloc, equal_to("cadc.nrc.ca!vospace"))
assert_that(parts.path, equal_to("/multi/depth/path.ext"))
def test_urlparse_naming_authority(self):
parts = vos.urlparse("https://cadc.nrc.ca!vospace/path")
assert_that(parts.scheme, equal_to("https"))
assert_that(parts.netloc, equal_to("cadc.nrc.ca!vospace"))
assert_that(parts.path, equal_to("/path"))