def test_put(self):
client = CouchAsyncHTTPClient('http://172.16.200.51:5984/', self.io_loop)
resp = yield client.put('cmdb', 'foo_bar', {"foo": "bar"}, raise_error=False)
print(resp.body)
class CouchBase(object):
"""
couchdb document operation
"""
def __init__(self, url='http://localhost:5984', io_loop=None):
self.url = url[:-1] if url.endswith('/') else url
self.io_loop = io_loop or ioloop.IOLoop.instance()
self.client = CouchAsyncHTTPClient(self.url, io_loop=self.io_loop)
@gen.coroutine
def list_ids(self, database):
""" only list document id which not starts with '_' """
resp = yield self.get_doc(database, '_all_docs')
raise gen.Return([doc['id'] for doc in resp['rows'] if not doc['id'].startswith('_')])
@gen.coroutine
def get_doc(self, database, doc_id):
"""
return Document instance
"""
resp = yield self.client.get(database, doc_id, raise_error=False)
if resp.code == 200:
raise gen.Return(Document(json_decode(resp.body)))
elif resp.code == 404:
# {"error":"not_found","reason":"no_db_file"} for db not exist
# {"error":"not_found","reason":"missing"} for doc not exist
raise ValueError(json_decode(resp.body)['reason'])
@gen.coroutine
def has_doc(self, database, doc_id):
try:
resp = yield self.client.head(database, doc_id)
raise gen.Return(resp.code == 200)
except HTTPError:
raise gen.Return(False)
@gen.coroutine
def get_doc_rev(self, database, doc_id):
try:
resp = yield self.client.head(database, doc_id)
raise gen.Return(resp.headers['Etag'].strip('"'))
except HTTPError:
raise ValueError("Document {0} not Exist".format(doc_id))
@gen.coroutine
def update_doc(self, database, doc_id, doc):
resp = yield self.client.put(database, doc_id, doc)
raise gen.Return(resp.body.decode('utf-8'))
@gen.coroutine
def update_doc_field(self, database, doc_id, **fields):
doc = yield self.get_doc(database, doc_id)
for field, value in fields.items():
doc[field] = value
resp = yield self.client.put(database, doc_id, doc)
raise gen.Return(resp.body.decode('utf-8'))
@gen.coroutine
def del_doc(self, database, doc_id):
rev = yield self.get_doc_rev(database, doc_id)
resp = yield self.client.delete(database, doc_id, rev)
# json_decode can not decode String "True" but "true"
# should return lowercase string "true"
raise gen.Return("true" if resp.code == 200 else "false")
