On Mar 14, 2017, at 6:28 AM, Роман Мещеряков <romanmescheryakov@yandex.ru> wrote:

I installed libffi-dev and libssl-dev Raspbian packages, and run "tox -e narrativedocs" again. Now the error was about missing "sphinx-build" executable. So I activated virtualenv where Sphinx was previously installed and again issued "tox -e narrativedocs". Now the output was:

(twisted-dev-env) pi@zyuzino11:~/ColourDreams/Twisted-dev $ tox -e narrativedocs
GLOB sdist-make: /home/pi/ColourDreams/Twisted-dev/setup.py
narrativedocs inst-nodeps: /home/pi/ColourDreams/Twisted-dev/build/dist/Twisted-17.1.0dev0.zip
narrativedocs installed: appdirs==1.4.3,asn1crypto==0.21.1,attrs==16.3.0,Automat==0.5.0,constantly==15.1.0,enum34==1.1.6,idna==2.5,incremental==16.10.1,ipaddress==1.0.18,packaging==16.8,pycparser==2.17,pyflakes==1.5.0,pyparsing==2.2.0,requests==2.13.0,six==1.10.0,Twisted==17.1.0.dev0,zope.interface==4.3.3
narrativedocs runtests: PYTHONHASHSEED='496434055'
narrativedocs runtests: commands[0] | python -c import sys; print(sys.prefix)
/home/pi/ColourDreams/Twisted-dev/build/narrativedocs
narrativedocs runtests: commands[1] | python -c import sys; print(sys.exec_prefix)
/home/pi/ColourDreams/Twisted-dev/build/narrativedocs
narrativedocs runtests: commands[2] | python -c import sys; print(sys.executable)
/home/pi/ColourDreams/Twisted-dev/build/narrativedocs/bin/python
narrativedocs runtests: commands[3] | python --version
Python 2.7.9
narrativedocs runtests: commands[4] | sphinx-build -aW -b html -d /home/pi/ColourDreams/Twisted-dev/docs/_build /home/pi/ColourDreams/Twisted-dev/docs /home/pi/ColourDreams/Twisted-dev/docs/_build/
WARNING:test command found but not installed in testenv
cmd: /home/pi/twisted-dev-env/bin/sphinx-build
env: /home/pi/ColourDreams/Twisted-dev/build/narrativedocs
Maybe you forgot to specify a dependency? See also the whitelist_externals envconfig setting.
Running Sphinx v1.5.3

Exception occurred:
File "conf.py", line 45, in <module>
ImportError: No module named twisted
The full traceback has been saved in /tmp/sphinx-err-s9PZVd.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
ERROR: InvocationError: '/home/pi/twisted-dev-env/bin/sphinx-build -aW -b html -d /home/pi/ColourDreams/Twisted-dev/docs/_build /home/pi/ColourDreams/Twisted-dev/docs /home/pi/ColourDreams/Twisted-dev/docs/_build/'
__________________________________________________________ summary __________________________________________________________
ERROR: narrativedocs: commands failed
(twisted-dev-env) pi@zyuzino11:~/ColourDreams/Twisted-dev $

The error is "twisted" module missing. How could I fix that? Should I install Twisted Python package to my virtualenv? Now I only have Twisted Python package installed globally.

From what I've seen here, it doesn't look like you've done anything wrong - this should work. So it's going to require some investigation.

I don't know why it would be choosing to 'inst-nodeps' when the deps clearly aren't installed yet. When I do this, what I see is:

GLOB sdist-make: /Users/glyph/Projects/Twisted/setup.py

narrativedocs create: /Users/glyph/Projects/Twisted/build/narrativedocs

narrativedocs inst: /Users/glyph/Projects/Twisted/build/dist/Twisted-17.1.0.dev0.zip

narrativedocs installed: alabaster==0.7.10,amptrac==0.1,appdirs==1.4.3,asn1crypto==0.21.1,astroid==1.4.9,attrs==16.3.0,Automat==0.5.0,Babel==2.3.4,cffi==1.9.1,colorama==0.3.7,constantly==15.1.0,cryptography==1.8.1,docutils==0.13.1,enum34==1.1.6,epydoc==3.0.1,extras==1.0.0,fixtures==3.0.0,idna==2.5,imagesize==0.7.1,incremental==16.10.1,ipaddress==1.0.18,Jinja2==2.9.5,lazy-object-proxy==1.2.2,linecache2==1.0.0,logilab-common==1.2.1,MarkupSafe==1.0,packaging==16.8,pbr==2.0.0,pyasn1==0.2.3,pyasn1-modules==0.0.8,pycodestyle==2.0.0,pycparser==2.17,pydoctor==16.3.0,pyflakes==1.5.0,Pygments==2.2.0,pylint==1.5.6,pyOpenSSL==16.2.0,pyparsing==2.2.0,python-mimeparse==1.6.0,python-subunit==1.2.0,pytz==2016.10,requests==2.13.0,service-identity==16.0.0,six==1.10.0,snowballstemmer==1.2.1,Sphinx==1.5.3,testtools==2.2.0,traceback2==1.4.0,treq==16.12.0,Twisted==17.1.0.dev0,twisted-dev-tools==0.0.2,twistedchecker==0.7.1,unittest2==1.1.0,wrapt==1.10.10,zope.interface==4.3.3

narrativedocs runtests: PYTHONHASHSEED='3320851011'

narrativedocs runtests: commands[0] | python -c import sys; print(sys.prefix)

/Users/glyph/Projects/Twisted/build/narrativedocs/bin/..

narrativedocs runtests: commands[1] | python -c import sys; print(sys.exec_prefix)

/Users/glyph/Projects/Twisted/build/narrativedocs/bin/..

narrativedocs runtests: commands[2] | python -c import sys; print(sys.executable)

/Users/glyph/Projects/Twisted/build/narrativedocs/bin/python

narrativedocs runtests: commands[3] | python --version

Python 2.7.12

narrativedocs runtests: commands[4] | sphinx-build -aW -b html -d /Users/glyph/Projects/Twisted/docs/_build /Users/glyph/Projects/Twisted/docs /Users/glyph/Projects/Twisted/docs/_build/

Running Sphinx v1.5.3

making output directory...

loading pickled environment... not yet created

loading intersphinx inventory from http://docs.python.org/3.3/objects.inv...

intersphinx inventory has moved: http://docs.python.org/3.3/objects.inv -> https://docs.python.org/3.3/objects.inv

loading intersphinx inventory from http://docs.python.org/2.7/objects.inv...

intersphinx inventory has moved: http://docs.python.org/2.7/objects.inv -> https://docs.python.org/2.7/objects.inv

building [mo]: all of 0 po files

building [html]: all source files

updating environment: 135 added, 0 changed, 0 removed

reading sources... [100%] words/index

looking for now-outdated files... none found

pickling environment... done

checking consistency... done

preparing documents... done

writing output... [100%] words/index

generating indices... genindex

writing additional pages... search

copying images... [100%] web/howto/../img/web-process.png

copying downloadable files... [ 58%] core/howto/tutorial/listings/finger/twisted/plugins/finger_tutcopying downloadable files... [ 84%] core/howto/listings/systemd/www.example.com.socketactivated.secopying downloadable files... [100%] core/howto/tutorial/listings/finger/fingerPBclient.py

copying static files... done

copying extra files... done

dumping search index in English (code: en) ... done

dumping object inventory... done

build succeeded.

_____________________________________________ summary _____________________________________________

narrativedocs: commands succeeded

congratulations :)

So, a few questions for you:

Are you running the latest `tox`? (tox --version == 2.6.0)
This is not the first time you've run 'tox', or it would have the 'narrativedocs create' line above. Did you see what happened on the earlier runs? Did they all fail?
Can you try re-creating the virtual environment? Either `tox -r -e narrativedocs` or `rm -fr build/; tox -e narrativedocs`
Can you try doing this against a 'dev' install, i.e. `tox --develop -e narrativedocs`?
What happens if you make a new virtual environment and do `pip install .../path/to/twisted[dev]` (just .[dev] if you're in the twisted dir)? Specifically: does sphinx get installed in that virtual environment?
Did you copy this development environment from another machine, or move it to a different folder?

Hopefully we can get to the bottom of this and learn something for future contributors about whatever pitfall you've encountered!

Thanks for your patience,