tox 1.9.1 ignores package versions specified in requirements.txt files

[pytoxbot]

• Bitbucket: https://bitbucket.org/hpk42/tox/issue/230
• Originally reported by: @kmike
• Originally created at: 2015-03-23T16:28:32.728

Hi,

It seems that tox 1.9.1 ignores package versions specified in included requirements files, and installs latest package versions instead. 1.9.0 works fine. This broke e.g. Scrapy tests.

[testenv]
deps =
    -r requirements.txt

requirements.txt:

foo == 1.0.0

Check e.g. https://travis-ci.org/scrapy/scrapy/jobs/55483601 - it has

precise installdeps: pyOpenSSL==0.13, lxml==2.3.2, Twisted==11.1.0, boto==2.2.2, Pillow<2.0, django==1.3.1, cssselect==0.9.1, zope.interface==3.6.1, mock, mitmproxy, netlib, pytest-twisted

line, but mitmproxy is specified as mitmproxy==0.10.1 in https://github.com/scrapy/scrapy/blob/master/tests/requirements.txt file.

[pytoxbot]

Original comment by @hpk42

• backout ability that --force-deps substitutes name/versions in
  requirement files due to various issues.
• This fixes issue228, fixes issue230, fixes issue231
  which popped up with 1.9.1.
• bump to 1.9.2 version

→ <<cset 452288d6c500>>

[pytoxbot]

Original comment by isaacxi

_config.py:L405 seems to be the culprit.

Changing it locally to

name = self._replace_forced_dep(str(r).split(' ')[0], config)

works.