本文整理汇总了Python中datalad.api.Dataset.search方法的典型用法代码示例。如果您正苦于以下问题：Python Dataset.search方法的具体用法？Python Dataset.search怎么用？Python Dataset.search使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类datalad.api.Dataset的用法示例。
在下文中一共展示了Dataset.search方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_within_ds_file_search
# 需要导入模块: from datalad.api import Dataset [as 别名]
# 或者: from datalad.api.Dataset import search [as 别名]
def test_within_ds_file_search(path):
try:
import mutagen
except ImportError:
raise SkipTest
ds = Dataset(path).create(force=True)
# override default and search for datasets and files for this test
for m in ('egrep', 'textblob', 'autofield'):
ds.config.add(
'datalad.search.index-{}-documenttype'.format(m), 'all',
where='dataset')
ds.config.add('datalad.metadata.nativetype', 'audio', where='dataset')
makedirs(opj(path, 'stim'))
for src, dst in (
('audio.mp3', opj('stim', 'stim1.mp3')),):
copy(
opj(dirname(dirname(__file__)), 'tests', 'data', src),
opj(path, dst))
ds.save()
ok_file_under_git(path, opj('stim', 'stim1.mp3'), annexed=True)
# If it is not under annex, below addition of metadata silently does
# not do anything
ds.repo.set_metadata(
opj('stim', 'stim1.mp3'), init={'importance': 'very'})
ds.aggregate_metadata()
ok_clean_git(ds.path)
# basic sanity check on the metadata structure of the dataset
dsmeta = ds.metadata('.', reporton='datasets')[0]['metadata']
for src in ('audio',):
# something for each one
assert_in(src, dsmeta)
# each src declares its own context
assert_in('@context', dsmeta[src])
# we have a unique content metadata summary for each src
assert_in(src, dsmeta['datalad_unique_content_properties'])
# test default behavior
with swallow_outputs() as cmo:
ds.search(show_keys='name', mode='textblob')
assert_in("""\
id
meta
parentds
path
type
""", cmo.out)
target_out = """\
annex.importance
annex.key
audio.bitrate
audio.duration(s)
audio.format
audio.music-Genre
audio.music-album
audio.music-artist
audio.music-channels
audio.music-sample_rate
audio.name
audio.tracknumber
datalad_core.id
datalad_core.refcommit
id
parentds
path
type
"""
# check generated autofield index keys
with swallow_outputs() as cmo:
ds.search(mode='autofield', show_keys='name')
# it is impossible to assess what is different from that dump
assert_in(target_out, cmo.out)
assert_result_count(ds.search('blablob#'), 0)
# now check that we can discover things from the aggregated metadata
for mode, query, hitpath, matched in (
('egrep',
':mp3',
opj('stim', 'stim1.mp3'),
{'audio.format': 'mp3'}),
# same as above, leading : is stripped, in indicates "ALL FIELDS"
('egrep',
'mp3',
opj('stim', 'stim1.mp3'),
{'audio.format': 'mp3'}),
# same as above, but with AND condition
# get both matches
('egrep',
['mp3', 'type:file'],
opj('stim', 'stim1.mp3'),
{'type': 'file', 'audio.format': 'mp3'}),
# case insensitive search
('egrep',
'mp3',
opj('stim', 'stim1.mp3'),
{'audio.format': 'mp3'}),
# field selection by expression
('egrep',
#.........这里部分代码省略.........