Hi, Please follow below instructions to resolve this issue:
pip uninstall pycryptodome pip install pycrypto Also, please provide the steps you have followed to install the pgAdmin 4 and when you have installed? Thanks, Khushboo On Wed, May 2, 2018 at 2:07 PM, Douglas Reed <doug...@fsbtech.com> wrote: > > Hi > > I recently installed v3 of pgAdmin4 > > When setting up the passwords for each of the databases, I kept getting the > message; > > "Object type <class 'str'> cannot be passed to C code" > > Although it appeared to save the password > > A server reboot later, when I try to to the databases, it prompts for the > password, when I input the password and click the OK button, I get the > response "Internal Server Error - click for details" > > Clicking to view the errors shows the following in a message box which > cannot be dismissed > > The server encountered an internal error and was unable to complete your > request. Either the server is overloaded or there is an error in the > application. > > The platform is Ubuntu v16.10 > > > The log on the server window reported > > /home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/psycopg2/__init__.py:144: > UserWarning: The psycopg2 wheel package will be renamed from release 2.8; > in order to keep installing from binary please use "pip install > psycopg2-binary" instead. For details see: > <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>. """) > Starting pgAdmin 4. Please navigate to http://127.0.0.1:5050 in your > browser. > 2018-05-02 09:28:17,685: ERROR pgadmin: Object type <class 'str'> > cannot be passed to C code > Traceback (most recent call last): > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/pgadmin4/pgadmin/browser/server_groups/servers/__init__.py", > line 962, in connect > if password is not None else server.password > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/pgadmin4/pgadmin/utils/crypto.py", > line 31, in encrypt > cipher = AES.new(pad(key), AES.MODE_CFB, iv) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/Crypto/Cipher/AES.py", > line 200, in new > return _create_cipher(sys.modules[__name__], key, mode, *args, **kwargs) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/Crypto/Cipher/__init__.py", > line 55, in _create_cipher > return modes[mode](factory, **kwargs) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/Crypto/Cipher/_mode_cfb.py", > line 230, in _create_cfb_cipher > cipher_state = factory._create_base_cipher(kwargs) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/Crypto/Cipher/AES.py", > line 100, in _create_base_cipher > result = start_operation(c_uint8_ptr(key), > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/Crypto/Util/_raw_api.py", > line 196, in c_uint8_ptr > raise TypeError("Object type %s cannot be passed to C code" % > type(data)) > TypeError: Object type <class 'str'> cannot be passed to C code > 2018-05-02 09:28:17,698: ERROR werkzeug: Error on request: > Traceback (most recent call last): > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/werkzeug/serving.py", > line 270, in run_wsgi > execute(self.server.app) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/werkzeug/serving.py", > line 258, in execute > application_iter = app(environ, start_response) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/app.py", > line 1997, in __call__ > return self.wsgi_app(environ, start_response) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/app.py", > line 1985, in wsgi_app > response = self.handle_exception(e) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/app.py", > line 1540, in handle_exception > reraise(exc_type, exc_value, tb) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/_compat.py", > line 33, in reraise > raise value > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/app.py", > line 1982, in wsgi_app > response = self.full_dispatch_request() > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/app.py", > line 1614, in full_dispatch_request > rv = self.handle_user_exception(e) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/app.py", > line 1517, in handle_user_exception > reraise(exc_type, exc_value, tb) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/_compat.py", > line 33, in reraise > raise value > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/app.py", > line 1612, in full_dispatch_request > rv = self.dispatch_request() > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/app.py", > line 1598, in dispatch_request > return self.view_functions[rule.endpoint](**req.view_args) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/flask/views.py", > line 84, in view > return self.dispatch_request(*args, **kwargs) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/pgadmin4/pgadmin/browser/utils.py", > line 254, in dispatch_request > return method(*args, **kwargs) > File > "/home/douglas/py3-venv-pgadmin4v3/lib/python3.5/site-packages/pgadmin4/pgadmin/browser/server_groups/servers/__init__.py", > line 965, in connect > return internal_server_error(errormsg=e.message) > AttributeError: 'TypeError' object has no attribute 'message' > > > Python pip freeze > > alembic==0.9.9 > Babel==2.5.3 > blinker==1.4 > click==6.7 > extras==1.0.0 > fixtures==3.0.0 > Flask==0.12.2 > Flask-BabelEx==0.9.3 > Flask-Gravatar==0.5.0 > Flask-HTMLmin==1.3.2 > Flask-Login==0.3.2 > Flask-Mail==0.9.1 > Flask-Migrate==2.1.1 > Flask-Paranoid==0.2.0 > Flask-Principal==0.4.0 > Flask-Security==3.0.0 > Flask-SQLAlchemy==2.3.2 > Flask-WTF==0.14.2 > html5lib==1.0.1 > htmlmin==0.1.12 > itsdangerous==0.24 > linecache2==1.0.0 > passlib==1.7.1 > pbr==3.1.1 > pgadmin4==3.0 > psycopg2==2.7.4 > pycryptodome==3.6.1 > pyrsistent==0.14.2 > python-dateutil==2.7.2 > python-editor==1.0.3 > python-mimeparse==1.6.0 > pytz==2018.3 > simplejson==3.13.2 > six==1.11.0 > speaklater==1.3 > SQLAlchemy==1.2.6 > sqlparse==0.2.4 > testtools==2.3.0 > traceback2==1.4.0 > unittest2==1.1.0 > webencodings==0.5.1 > Werkzeug==0.14.1 > WTForms==2.1 > > Many thanks > > > -- > > > > -- > ____________________________ > > Douglas Reed (DBA) > *FSB Technology (UK) Ltd* > > 41 Old Street > <https://maps.google.com/?q=41+Old+Street+%0D%0ALondon,+EC1V+9AE&entry=gmail&source=g> > London, EC1V 9AE > <https://maps.google.com/?q=41+Old+Street+London,+EC1V+9AE&entry=gmail&source=g> > > >
