[Checkins] [zopefoundation/Zope] 5b40ed: Remove the dependency on sourcecodegen.

[GitHub]

  Branch: refs/heads/remove_sourcecodegen
  Home:   https://github.com/zopefoundation/Zope
  Commit: 5b40ed231b950a051de38fbda9b62e73f8540094
      https://github.com/zopefoundation/Zope/commit/5b40ed231b950a051de38fbda9b62e73f8540094
  Author: Steffen Allner <sa at gocept.com>
  Date:   2017-05-02 (Tue, 02 May 2017)

  Changed paths:
    M requirements-full.txt
    M setup.py
    M src/Products/PageTemplates/expression.py
    M versions-prod.cfg

  Log Message:
  -----------
  Remove the dependency on sourcecodegen.

We do not need to convert the ast to source code before passing it to the
RestrictedPython machinery. It takes the result of the 2.7 ast.parse() as well.