class Connection(object):
'''
A pyxnat connection to an XNAT server
Parameters
----------
uri: str
user: str
password: str
'''
def __init__(self, uri=None, user=None, password=None):
if uri is not None:
self._uri = uri
elif 'XNAT_URI' in os.environ:
self._uri = os.environ['XNAT_URI']
else:
raise ValueError('no URI specified')
if user is not None:
self._user = user
elif 'XNAT_USER' in os.environ:
self._user = os.environ['XNAT_USER']
else:
raise ValueError('no user specified')
if password is not None:
pass
elif 'XNAT_PASSWORD' in os.environ:
user = os.environ['XNAT_PASSWORD']
else:
raise ValueError('no password specified')
self._pyxnat_interface = Interface(server=self._uri,
user=self._user,
password=password)
self._pyxnat_interface._get_entry_point()
self._projects = []
self._accessible_projects = []
return
def is_connected(self):
if self._pyxnat_interface:
return True
return False
def close(self):
uri = self._pyxnat_interface._get_entry_point() + '/JSESSION'
self._pyxnat_interface._exec(uri, 'DELETE')
self._pyxnat_interface = None
return
def set_projects(self):
for project in self._pyxnat_interface.select.projects():
#print project.id()
#self._projects[project.id()] = Project(self, project.id())
if self._user in project.users():
self._accessible_projects.append(project.id())
#self._projects[project.id()] = project.user_role(self._user)
self._projects.append(project.id())
@property
def accessible_projects(self):
if not self._accessible_projects:
self.set_projects()
return self._accessible_projects
@property
def projects(self):
if not self._projects:
self.set_projects()
return self._projects
@property
def pyxnat_interface(self):
return self._pyxnat_interface
