def _build_query(self, query_dict, limit=None, offset=None, shards=None):
if shards is not None:
if self._available_shards is None:
self._load_available_shards()
shard_specs = []
for shard in shards:
if shard not in self._available_shards:
raise EsgfSearchException('Shard %s is not available' % shard)
else:
for port, suffix in self._available_shards[shard]:
# suffix should be ommited when querying
shard_specs.append('%s:%s/solr' % (shard, port))
shard_str = ','.join(shard_specs)
else:
shard_str = None
full_query = MultiDict({
'format': RESPONSE_FORMAT,
'limit': limit,
'distrib': 'true' if self.distrib else 'false',
'offset': offset,
'shards': shard_str,
})
full_query.extend(query_dict)
# Remove all None valued items
full_query = MultiDict(item for item in full_query.items() if item[1] is not None)
return full_query
def _build_query(self, query_dict, limit=None, offset=None, shards=None):
if shards is not None:
if self._available_shards is None:
self._load_available_shards()
shard_specs = []
for shard in shards:
if shard not in self._available_shards:
raise EsgfSearchException('Shard %s is not available' %
shard)
else:
for port, suffix in self._available_shards[shard]:
# suffix should be ommited when querying
shard_specs.append('%s:%s/solr' % (shard, port))
shard_str = ','.join(shard_specs)
else:
shard_str = None
full_query = MultiDict({
'format': RESPONSE_FORMAT,
'limit': limit,
'distrib': 'true' if self.distrib else 'false',
'offset': offset,
'shards': shard_str,
})
full_query.extend(query_dict)
# Remove all None valued items
full_query = MultiDict(item for item in full_query.items()
if item[1] is not None)
return full_query
def send_query(self, query_dict, limit=None, offset=None):
"""
Generally not to be called directly by the user but via SearchContext
instances.
:param query_dict: dictionary of query string parameers to send.
:return: ElementTree instance (TODO: think about this)
"""
full_query = MultiDict({
'format': RESPONSE_FORMAT,
'limit': limit,
'distrib': 'true' if self.distrib else 'false',
'offset': offset,
'shards': ','.join(self.shards) if self.shards else None,
})
full_query.extend(query_dict)
# Remove all None valued items
full_query = MultiDict(item for item in full_query.items() if item[1] is not None)
query_url = '%s?%s' % (self.url, urllib.urlencode(full_query))
log.debug('Query request is %s' % query_url)
response = urllib2.urlopen(query_url)
ret = json.load(response)
return ret
def send_query(self, query_dict, limit=None, offset=None):
"""
Generally not to be called directly by the user but via SearchContext
instances.
:param query_dict: dictionary of query string parameers to send.
:return: ElementTree instance (TODO: think about this)
"""
full_query = MultiDict({
'format':
RESPONSE_FORMAT,
'limit':
limit,
'distrib':
'true' if self.distrib else 'false',
'offset':
offset,
'shards':
','.join(self.shards) if self.shards else None,
})
full_query.extend(query_dict)
# Remove all None valued items
full_query = MultiDict(item for item in full_query.items()
if item[1] is not None)
query_url = '%s?%s' % (self.url, urllib.urlencode(full_query))
log.debug('Query request is %s' % query_url)
response = urllib2.urlopen(query_url)
ret = json.load(response)
return ret
def convert_constraints(url):
"""
converts esgf search query to constraints parameter.
TODO: constraints parameter should have the same structure as the esgf query.
"""
# FROM: project=CMIP5&time_frequency=mon&variable=tas,tasmax,tasmin
# TO: project:CORDEX,experiment:historical,experiment:rcp26
parsed_url = urlparse(url)
constraints = MultiDict()
for qpart in parsed_url.query.split('&'):
key, value = qpart.split('=')
for val in value.split(','):
constraints.add(key.strip(), val.strip())
converted = ','.join(["{0[0]}:{0[1]}".format(c) for c in constraints.items()])
return converted
def convert_constraints(url):
"""
converts esgf search query to constraints parameter.
TODO: constraints parameter should have the same structure as the esgf query.
"""
# FROM: project=CMIP5&time_frequency=mon&variable=tas,tasmax,tasmin
# TO: project:CORDEX,experiment:historical,experiment:rcp26
parsed_url = urlparse(url)
constraints = MultiDict()
for qpart in parsed_url.query.split('&'):
key, value = qpart.split('=')
for val in value.split(','):
constraints.add(key.strip(), val.strip())
converted = ','.join(
["{0[0]}:{0[1]}".format(c) for c in constraints.items()])
return converted
