Hi, Great! Glad you were able to get up and running. The dtests can be tricky if you aren't already somewhat familiar with Python.
Ariel On Mon, Mar 26, 2018, at 9:10 PM, Murukesh Mohanan wrote: > On Tue, Mar 27, 2018 at 6:47 Ariel Weisberg <[email protected]> wrote: > > > Hi, > > > > Are you deleting the venv before creating it? You shouldn't really need to > > use sudo for the virtualenv. That is going to make things potentially > > wonky. Naming it cassandra-dtest might also do something wonky if you have > > a cassandra-dtest directory already. I usually name it just venv and place > > it in the same subdir as the requirements file. > > > > Also running sudo is going to create a new shell and then exit the shell > > immediately so when you install the requirements it might be doing it not > > in the venv, but in whatever is going on inside the sudo shell. > > > Yep, looking at the logs, that's probably the issue. When activating a venv > (with `source .../bin/activate`), it sets environment variables (`PATH`, > `PYTHONHOME` etc.) so that the virtualenv's Python, pip are used instead of > the system Python and pip. sudo defaults to using a clean PATH and > resetting most of the user's environment, so the effects of the venv are > lost when running in sudo. > > > The advantage of virtualenv is not needing to mess with system packages at > > all so sudo is inadvisable when creating, activating, and pip installing > > things. > > > > You might need to use pip3 instead of pip, but I suspect that in a correct > > venv pip is going to point to pip3. > > > > Ariel > > > > On Mon, Mar 26, 2018, at 5:31 PM, Tyagi, Preetika wrote: > > > Yes, that's correct. I followed README and ran all below steps to create > > > virtualenv. Attached is the output of all commands I ran successfully > > > except the last one i.e. pytest. > > > > > > Could you please let me know if you see anything wrong or missing? > > > > > > Thanks, > > > Preetika > > > > > > -----Original Message----- > > > From: Ariel Weisberg [mailto:[email protected]] > > > Sent: Monday, March 26, 2018 9:32 AM > > > To: [email protected] > > > Subject: Re: question on running cassandra-dtests > > > > > > Hi, > > > > > > Your environment is python 2.7 when it should be python 3. > > > See: > > > > File "/usr/local/lib/python2.7/dist-packages/_pytest/assertion/ > > > > rewrite.py", line 213, in load_module > > > > > > Are you using virtualenv to create a python 3 environment to use with > > the tests? > > > > > > From README.md: > > > > > > **Note**: While virtualenv isn't strictly required, using virtualenv is > > > almost always the quickest path to success as it provides common base > > > setup across various configurations. > > > > > > 1. Install virtualenv: ``pip install virtualenv`` 2. Create a new > > > virtualenv: ``virtualenv --python=python3 --no-site-packages ~/dtest`` > > > 3. Switch/Activate the new virtualenv: ``source ~/dtest/bin/activate`` > > > 4. Install remaining DTest Python dependencies: ``pip install -r /path/ > > > to/cassandra-dtest/requirements.txt`` > > > > > > Regards, > > > Ariel > > > > > > On Mon, Mar 26, 2018, at 11:13 AM, Tyagi, Preetika wrote: > > > > I was able to run requirements.txt with success. Below is the error I > > get: > > > > > > > > Traceback (most recent call last): > > > > File "/usr/local/lib/python2.7/dist-packages/_pytest/config.py", > > > > line 371, in _importconftest > > > > mod = conftestpath.pyimport() > > > > File "/usr/local/lib/python2.7/dist-packages/py/_path/local.py", > > > > line 668, in pyimport > > > > __import__(modname) > > > > File "/usr/local/lib/python2.7/dist-packages/_pytest/assertion/ > > > > rewrite.py", line 213, in load_module > > > > py.builtin.exec_(co, mod.__dict__) > > > > File "/usr/local/lib/python2.7/dist-packages/py/_builtin.py", line > > > > 221, in exec_ > > > > exec2(obj, globals, locals) > > > > File "<string>", line 7, in exec2 > > > > File "/home/<path to conftest.py>/conftest.py", line 11, in <module> > > > > from itertools import zip_longest > > > > ImportError: cannot import name zip_longest > > > > ERROR: could not load /home/<path to conftest.py>/conftest.py > > > > > > > > Thanks, > > > > Preetika > > > > > > > > -----Original Message----- > > > > From: Murukesh Mohanan [mailto:[email protected]] > > > > Sent: Sunday, March 25, 2018 10:48 PM > > > > To: [email protected] > > > > Subject: Re: question on running cassandra-dtests > > > > > > > > The complete error is needed. I get something similar if I hadn't run > > > > `pip3 install -r requirements.txt`: > > > > > > > > Traceback (most recent call last): > > > > File "/usr/local/lib/python3.6/site-packages/_pytest/config.py", > > > > line 328, in _getconftestmodules > > > > return self._path2confmods[path] > > > > KeyError: local('/home/muru/dev/cassandra-dtest') > > > > > > > > During handling of the above exception, another exception occurred: > > > > Traceback (most recent call last): > > > > File "/usr/local/lib/python3.6/site-packages/_pytest/config.py", > > > > line 359, in _importconftest > > > > return self._conftestpath2mod[conftestpath] > > > > KeyError: local('/home/muru/dev/cassandra-dtest/conftest.py') > > > > > > > > During handling of the above exception, another exception occurred: > > > > Traceback (most recent call last): > > > > File "/usr/local/lib/python3.6/site-packages/_pytest/config.py", > > > > line 365, in _importconftest > > > > mod = conftestpath.pyimport() > > > > File "/usr/local/lib/python3.6/site-packages/py/_path/local.py", > > > > line 668, in pyimport > > > > __import__(modname) > > > > File "/usr/local/lib/python3.6/site-packages/_pytest/assertion/ > > > > rewrite.py", line 212, in load_module > > > > py.builtin.exec_(co, mod.__dict__) > > > > File "/home/muru/dev/cassandra-dtest/conftest.py", line 13, in > > > > <module> > > > > from dtest import running_in_docker, > > > > cleanup_docker_environment_before_test_execution > > > > File "/home/muru/dev/cassandra-dtest/dtest.py", line 12, in <module> > > > > import cassandra > > > > ModuleNotFoundError: No module named 'cassandra' > > > > ERROR: could not load /home/muru/dev/cassandra-dtest/conftest.py > > > > > > > > Of course, `pip3 install -r requirements.txt` creates an `src` > > > > directory with appropriate branches of ccm and cassandra-driver > > checked out. > > > > > > > > If you have run `pip3 install -r requirements.txt`, then something > > > > else is wrong and we need the complete error log. > > > > > > > > On 2018/03/23 20:22:47, "Tyagi, Preetika" <[email protected]> > > wrote: > > > > > Hi All, > > > > > > > > > > I am trying to setup and run Cassandra-dtests so that I can write > > some tests for a JIRA ticket I have been working on. > > > > > This is the repo I am using: > > > > > https://github.com/apache/cassandra-dtest > > > > > I followed all the instructions and installed dependencies. > > > > > > > > > > However, when I run "pytest -cassandra-dir=<path to Cassandra source > > > > > root directory> > > > > > > > > > > It throws the error "could not load <some path>/conftest.py. > > > > > > > > > > I checked that this file (conftest.py) exists in Cassandra-dtest > > source root and I'm not sure why it cannot find it. Does anyone have any > > idea what might be going wrong here? > > > > > > > > > > I haven't used dtests before so I wonder if I'm missing something > > here. > > > > > > > > > > Thanks, > > > > > Preetika > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > > > To unsubscribe, e-mail: [email protected] > > > > For additional commands, e-mail: [email protected] > > > > > > > > > > > > --------------------------------------------------------------------- > > > > To unsubscribe, e-mail: [email protected] > > > > For additional commands, e-mail: [email protected] > > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: [email protected] > > > For additional commands, e-mail: [email protected] > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: [email protected] > > > For additional commands, e-mail: [email protected] > > > Email had 1 attachment: > > > + dtests_logs.txt > > > 9k (text/plain) > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > -- > > Murukesh Mohanan, > Yahoo! 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