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