ImportError: cannot import name Virtuoso

[wudapeng268]

Hi juanique:
I install this tool follow your README, but when I test
from vituoso import Virtuoso I got
INFO:rdflib:RDFLib Version: 5.0.0-dev Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: cannot import name Virtuoso
Actually I don't know how to test python-virtuoso, maybe is the tests.py, when I input host=localhost, user=dba pwd=dba
`..EEEE
ERROR: test_execute_bad_script (main.CommandsTests)
Executing bad scripts should raise a ISQLWrapperException
Traceback (most recent call last):
File "tests.py", line 44, in test_execute_bad_script
"fixtures/bad_script.sql")
File "/usr/lib/python2.7/unittest/case.py", line 475, in assertRaises
callableObj(*args, **kwargs)
File "/home/zhaocq/python-virtuoso-master/virtuoso/isqlwrapper.py", line 23, in execute_script
stderr=subprocess.PIPE)
File "/usr/lib/python2.7/subprocess.py", line 710, in init
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory

ERROR: test_execute_cmd (main.CommandsTests)
It can execute a given command string.
Traceback (most recent call last):
File "tests.py", line 49, in test_execute_cmd
result = self.isql.execute_cmd("status();")
File "/home/zhaocq/python-virtuoso-master/virtuoso/isqlwrapper.py", line 39, in execute_cmd
result = self.execute_script(tf_query.name)
File "/home/zhaocq/python-virtuoso-master/virtuoso/isqlwrapper.py", line 23, in execute_script
stderr=subprocess.PIPE)
File "/usr/lib/python2.7/subprocess.py", line 710, in init
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory

ERROR: test_execute_script (main.CommandsTests)
It can execute a given script

Traceback (most recent call last):
File "tests.py", line 37, in test_execute_script
result = self.isql.execute_script("fixtures/status.sql")
File "/home/zhaocq/python-virtuoso-master/virtuoso/isqlwrapper.py", line 23, in execute_script
stderr=subprocess.PIPE)
File "/usr/lib/python2.7/subprocess.py", line 710, in init
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory

ERROR: test_semicolon (main.CommandsTests)
Final semicolon is optional

Traceback (most recent call last):
File "tests.py", line 55, in test_semicolon
result = self.isql.execute_cmd("status()")
File "/home/zhaocq/python-virtuoso-master/virtuoso/isqlwrapper.py", line 39, in execute_cmd
result = self.execute_script(tf_query.name)
File "/home/zhaocq/python-virtuoso-master/virtuoso/isqlwrapper.py", line 23, in execute_script
stderr=subprocess.PIPE)
File "/usr/lib/python2.7/subprocess.py", line 710, in init
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory

Ran 6 tests in 0.010s

FAILED (errors=4)`
I also try to change default port as 1111 because my virtuoso starts at port 1111 default, It's also the same error.
Can you help me solve this problem?
I will appreciate it, thx.

[juanique]

Hi wudapeng268,

I literally haven't touched or run this code in 5 years. At some point I know it worked but in retrospective it does look like a really ugly hack and I don't think I'd recommend it to anyone.

I would recommend you take a look at other, supported libraries for connecting to virtuoso.

Perhaps any of the suggestions here? http://stackoverflow.com/questions/40774932/how-to-access-virtuoso-rdf-store-from-python

[wudapeng268]

Hi juanique:
Thanks for your reply. Actually I have read this suggestions, but can't solve it. I will look it again。

[zhimeng9]

from vituoso.vituoso import Virtuoso

[zhimeng9]

but when I try to do the query, the error throw: "TypeError: 'Endpoint' object is not callable"