Empty setup.py leads to very obscure error

[pytoxbot]

• Bitbucket: https://bitbucket.org/hpk42/tox/issue/1
• Originally reported by: @alex
• Originally created at: 2011-06-01T19:14:28.530

I accidentally tried to run tox on a project who's setup.py was an empty file, the error message I got was obscure: http://paste.pocoo.org/show/399000/

[pytoxbot]

Original comment by @hpk42

fix issue1: empty setup files are properly detected, thanks Anthon van
der Neuth

→ <<cset 182e8f03b686>>

[pytoxbot]

Original comment by @hpk42

fix issue1: empty setup files are properly detected

→ <>

[pytoxbot]

Original comment by @AvdN

The obscure message cannot be viewed online anymore. Currently an empty (or comment only) setup.py gives:

GLOB sdist-make: /data1/src/empty/setup.py
Traceback (most recent call last):
  File "/data1/env/empty/bin/tox", line 9, in <module>
    load_entry_point('tox==1.6rc1', 'console_scripts', 'tox')()
  File "/data1/src/tox/tox/_cmdline.py", line 26, in main
    retcode = Session(config).runcommand()
  File "/data1/src/tox/tox/_cmdline.py", line 301, in runcommand
    return self.subcommand_test()
  File "/data1/src/tox/tox/_cmdline.py", line 429, in subcommand_test
    sdist_path = self.sdist()
  File "/data1/src/tox/tox/_cmdline.py", line 411, in sdist
    sdist_path = self._makesdist()
  File "/data1/src/tox/tox/_cmdline.py", line 325, in _makesdist
    return self.config.distdir.listdir()[0]
  File "/data1/env/empty/local/lib/python2.7/site-packages/py/_path/local.py", line 349, in listdir
    names = py.error.checked_call(os.listdir, self.strpath)
  File "/data1/env/empty/local/lib/python2.7/site-packages/py/_error.py", line 84, in checked_call
    raise cls("%s%r" % (func.__name__, args))
py.error.ENOENT: [No such file or directory]: listdir('/data1/src/empty/.tox/dist',)