$ cat install_command_error.ini
[testenv]
install_command = ./LICENSE {packages}
deps = pytest
commands = py.test
$ tox -c install_command_error.ini
GLOB sdist-make: /Users/marca/dev/hg-repos/tox/setup.py
python create: /Users/marca/dev/hg-repos/tox/.tox/python
python installdeps: pytest
Traceback (most recent call last):
File "/Users/marca/python/virtualenvs/tox/bin/tox", line 9, in <module>
load_entry_point('tox==1.7.1', 'console_scripts', 'tox')()
File "/Users/marca/dev/hg-repos/tox/tox/_cmdline.py", line 26, in main
retcode = Session(config).runcommand()
File "/Users/marca/dev/hg-repos/tox/tox/_cmdline.py", line 303, in runcommand
return self.subcommand_test()
File "/Users/marca/dev/hg-repos/tox/tox/_cmdline.py", line 440, in subcommand_test
if self.setupenv(venv):
File "/Users/marca/dev/hg-repos/tox/tox/_cmdline.py", line 360, in setupenv
status = venv.update(action=action)
File "/Users/marca/dev/hg-repos/tox/tox/_venv.py", line 142, in update
self.install_deps(action)
File "/Users/marca/dev/hg-repos/tox/tox/_venv.py", line 255, in install_deps
self._install(deps, action=action)
File "/Users/marca/dev/hg-repos/tox/tox/_venv.py", line 318, in _install
action=action, extraenv=extraenv)
File "/Users/marca/dev/hg-repos/tox/tox/_venv.py", line 285, in run_install_command
extraenv=env, action=action)
File "/Users/marca/dev/hg-repos/tox/tox/_venv.py", line 367, in _pcall
return action.popen(args, cwd=cwd, env=env, redirect=redirect)
File "/Users/marca/dev/hg-repos/tox/tox/_cmdline.py", line 97, in popen
stdout=f, stderr=STDOUT)
File "/Users/marca/dev/hg-repos/tox/tox/_cmdline.py", line 155, in _popen
stdout=stdout, stderr=stderr, env=env)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 709, in __init__
errread, errwrite)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1326, in _execute_child
raise child_exception
OSError: [Errno 13] Permission denied
Note that the traceback doesn't tell you what the problem is -- that the
install_command("./LICENSE") was not executable.