def get_schema(schema_version):
hit = next(get_resolver().ifcb.adc.schema(schema_version),None)
def text2schema():
for col,typ in zip(re.split(' ',hit['columns']),re.split(' ',hit['types'])):
if typ in _TYPE_CONV:
yield col,_TYPE_CONV[typ]
else:
yield col,str
return list(text2schema())
def parsed_pid2fileset(parsed_pid,roots):
paths = {}
for root in roots:
try:
p = next(get_resolver().ifcb.files.find_raw_fileset(root=root,**parsed_pid))
paths.update(p)
if paths:
return paths
except StopIteration:
pass # try the next one
# we tried all roots and it's not there
raise NotFound('No raw data found for %s' % parsed_pid['bin_lid'])
def get_product_file(parsed, product_type):
parsed = dict(parsed.items())
time_series = parsed['ts_label']
data_roots = list(get_data_roots(time_series,product_type))
parsed['product'] = product_type
for root in data_roots:
try:
hit = next(get_resolver().ifcb.files.find_product(root=root,**parsed))
return hit['product_path']
except StopIteration:
pass
raise NotFound
def get_product_destination(session, pid, product_type=None):
parsed = parse_pid(pid)
if product_type is None:
product_type = parsed[PRODUCT]
ts_label = parsed[TS_LABEL]
if product_type=='multiblob': # sidecar files for features
product_type='features'
roots = get_data_roots(session, ts_label, product_type=product_type)
if not roots:
raise NotFound('no product destination found')
root = roots[0]
S = next(get_resolver().ifcb.files.product_path(root=root,**parsed))
return S[FILE_PATH]
def accession_demo(session,ts_label,root):
# now accede
for fs in get_resolver().ifcb.files.list_raw_filesets(root):
lid = fs['lid']
try:
parsed = parse_pid(lid)
except:
print 'barf %s' % lid
raise
ts = text2utcdatetime(parsed['timestamp'], parsed['timestamp_format'])
b = Bin(ts_label=ts_label, lid=lid, sample_time=ts)
session.add(b)
# now make mostly bogus fixity entries
now = datetime.now()
paths = [fs['hdr_path'], fs['adc_path'], fs['roi_path']]
filetypes = ['hdr','adc','roi']
for path,filetype in zip(paths,filetypes):
length = os.stat(path).st_size
name = os.path.basename(path)
#checksum = sha1_file(path)
checksum = 'placeholder'
f = File(local_path=path, filename=name, length=length, filetype=filetype, sha1=checksum, fix_time=now)
b.files.append(f)
session.commit()
def list_filesets(root):
return get_resolver().ifcb.files.list_raw_filesets(root)
def as_product(pid,product):
"""compute a product pid given a pid and a product name"""
return next(get_resolver().ifcb.as_product(pid=pid,product=product))[PID]
def parse_pid(pid):
"""use the IFCB resolver to parse a pid"""
try:
return next(get_resolver().ifcb.pid(pid))
except StopIteration:
raise
def ifcb():
return get_resolver().ifcb
