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Functions
dasFileQuery Namespace Reference
Functions
def
dasFileQuery
(dataset)
Function Documentation
◆
dasFileQuery()
def dasFileQuery.dasFileQuery
(
dataset
)
Definition at line
5
of file
dasFileQuery.py
.
References
das_client.get_data()
.
5
def
dasFileQuery
(dataset):
6
query =
'dataset dataset=%s'
% dataset
7
host =
'https://cmsweb.cern.ch'
# default
8
idx = 0
# default
9
limit = 0
# unlimited
10
debug = 0
# default
11
thr = 300
# default
12
ckey =
""
# default
13
cert =
""
# default
14
jsondict =
das_client.get_data
(host, query, idx, limit, debug, thr, ckey, cert)
15
16
# check if the pattern matches none, many, or one dataset
17
if
not
jsondict[
'data'
]
or
not
jsondict[
'data'
][0][
'dataset'
]:
18
sys.stderr.write(
'Error: the pattern "%s" does not match any dataset\n'
% dataset)
19
sys.exit(1)
20
return
[]
21
elif
len(jsondict[
'data'
]) > 1:
22
sys.stderr.write(
'Error: the pattern "%s" matches multiple datasets\n'
% dataset)
23
for
d
in
jsondict[
'data'
]:
24
sys.stderr.write(
' %s\n'
% d[
'dataset'
][0][
'name'
])
25
sys.exit(1)
26
return
[]
27
else
:
28
# expand the dataset name
29
dataset = jsondict[
'data'
][0][
'dataset'
][0][
'name'
]
30
query =
'file dataset=%s'
% dataset
31
jsondict =
das_client.get_data
(host, query, idx, limit, debug, thr, ckey, cert)
32
# parse the results in JSON format, and extract the list of files
33
files = sorted( f[
'file'
][0][
'name'
]
for
f
in
jsondict[
'data'
] )
34
return
files
35
36
das_client.get_data
def get_data(host, query, idx, limit, debug, threshold=300, ckey=None, cert=None, capath=None, qcache=0, das_headers=True)
Definition:
das_client.py:276
dasFileQuery.dasFileQuery
def dasFileQuery(dataset)
Definition:
dasFileQuery.py:5
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