def test_data_routing_mulitple_sources():
# test data routing - first call
# we setup a large data source on url1
# and a smaller source on url2
# execute 3 calls, url1 should have first priorty, url2, second, url3 third
setup_client(integration.url1)
c = client()
name1 = tempfile.NamedTemporaryFile(prefix='ks-test').name
name2 = tempfile.NamedTemporaryFile(prefix='ks-test').name
len1 = 1000000
len2 = 100000
with open(name1, 'wb+') as f:
f.write(len1 * b'0')
with open(name2, 'wb+') as f:
f.write(len2 * b'0')
remote1 = dp(name1)
remote1.rpc_url = integration.url1
remote2 = dp(name2)
remote2.rpc_url = integration.url2
remote1.save()
remote2.save()
c.bc(routing_func, remote1, remote2)
c.bc(routing_func, remote1, remote2)
c.bc(routing_func, remote1, remote2)
c.execute()
results = c.br()
assert results == [integration.url1, integration.url2, integration.url3]
def test_remote_data_source_conversions():
### remote data sources can be accessed as an object, local path, or raw data
### test conversions of all
df1 = pd.DataFrame({'a' : np.arange(100000)})
shape = df1.shape
#start with a python object - we should be able to convert to raw and local path
obj = do(df1)
path = obj.local_path()
with open(path, "rb") as f:
df = pickle.load(f)
assert df.shape == shape
df = pickle.loads(obj.raw())
assert df.shape == shape
#start with a raw data, should be able to convert to raw and local path
obj = dr(obj.raw())
assert obj.obj().shape == shape
path = obj.local_path()
with open(path, 'rb') as f:
df = pickle.load(f)
assert df.shape == shape
#start with a file, should be able to convert to obj and raw
obj = dp(obj.local_path())
assert obj.obj().shape == shape
df = pickle.loads(obj.raw())
assert df.shape == shape
def test_remote_data_source_conversions():
### remote data sources can be accessed as an object, local path, or raw data
### test conversions of all
setup_client(integration.url1)
c = client()
df1 = pd.DataFrame({'a' : np.arange(100)})
shape = df1.shape
obj = do(df1)
obj.save()
c.bc(remote_obj_func, du(obj.data_url))
c.execute()
result = c.br()[0]
assert result.shape == df1.shape
obj = dp(obj.local_path())
obj.save()
c.bc(remote_file, du(obj.data_url))
c.execute()
result = c.br()[0]
result = pickle.loads(result)
assert result.shape == df1.shape
setup_client("http://localhost:6323/")
c = client()
df = pd.DataFrame({'a' : np.arange(2000000)})
store = pd.HDFStore('test.hdf5')
store['df'] = df
store.close()
"""dp is a convenience function, equivalent to RemoteData(local_path=<path>)
We construct a remote data object, and save the data to the server
(which generates a url). Then we create a new RemoteData pointer with du
(short for data url, equivalent to RemoteData(data_url=<data_url>)
and we use that in a function call
"""
remote = dp("test.hdf5")
remote.save(prefix="testdata/test")
print remote.data_url
new_remote = du(remote.data_url)
def head(obj, name):
store = pd.HDFStore(obj.local_path())
return store.select(name).head(10)
c.bc(head, new_remote, 'df')
c.execute()
result = c.br()[0]
print result
"""do is short for dataobject, equivalent to RemoteData(obj=<obj>)
"""