def list_resources(self,
session: VISARMSession,
query: str = "?*::INSTR") -> Tuple[str, ...]:
"""Return a tuple of all connected devices matching query.
Parameters
----------
session : VISARMSession
Unique logical identifier to the resource manager session.
query : str
Regular expression used to match devices.
Returns
-------
Tuple[str, ...]
Resource names of all the connected devices matching the query.
"""
# For each session type, ask for the list of connected resources and
# merge them into a single list.
# HINT: the cast should not be necessary here
resources: List[str] = []
for key, st in sessions.Session.iter_valid_session_classes():
resources += st.list_resources()
return rname.filter(resources, query)
def list_resources(self, session: int, query='?*::INSTR') -> List[str]:
resources_list = rname.filter(list(resources), query)
if resources_list:
return resources_list
raise errors.VisaIOError(
errors.StatusCode.error_resource_not_found.value)
def list_resources(self, session, query='?*::INSTR'):
"""Returns a tuple of all connected devices matching query.
:param query: regular expression used to match devices.
"""
# For each session type, ask for the list of connected resources and
# merge them into a single list.
resources = sum([st.list_resources()
for key, st in sessions.Session.iter_valid_session_classes()], [])
resources = rname.filter(resources, query)
return resources
def list_resources(self, session, query='?*::INSTR'):
"""Returns a tuple of all connected devices matching query.
:param query: regular expression used to match devices.
"""
# For each session type, ask for the list of connected resources and
# merge them into a single list.
resources = sum([st.list_resources()
for key, st in sessions.Session.iter_valid_session_classes()], [])
resources = rname.filter(resources, query)
return resources
def list_resources(self, session, query='?*::INSTR'):
"""Returns a tuple of all connected devices matching query.
:param query: regular expression used to match devices.
"""
# For each session type, ask for the list of connected resources and merge them into a single list.
resources = self.devices.list_resources()
resources = rname.filter(resources, query)
if resources:
return resources
raise errors.VisaIOError(
errors.StatusCode.error_resource_not_found.value)
def _test_filter(self, expr, *correct):
ok = tuple(self.run_list[n] for n in correct)
self.assertEqual(rname.filter(self.run_list, expr), ok)
def test_bad_filter(self):
with self.assertRaises(errors.VisaIOError) as e:
rname.filter([], "?*(")
self.assertIn("VI_ERROR_INV_EXPR", e.exception.args[0])
def test_bad_filter(self):
with pytest.raises(errors.VisaIOError) as e:
rname.filter([], "?*(")
assert "VI_ERROR_INV_EXPR" in e.exconly()
def _test_filter(self, expr, *correct):
ok = tuple(self.run_list[n] for n in correct)
assert rname.filter(self.run_list, expr) == ok
def _test_filter(self, expr, *correct):
ok = tuple(self.run_list[n] for n in correct)
self.assertEqual(rname.filter(self.run_list, expr), ok)
