Buildout version constraint logic is wrong

Development Developing for Plone
1

I am trying to pin packages from what was left in a buildout.log file, i.e.,

grep '^Got ' buildout.log|cut -c5-|sed 's/ /=/'

but buildout version constraints like this are failing:

Version and requirements information containing products.cmfquickinstallertool:
  [versions] constraint on products.cmfquickinstallertool: 4.0.1.
  Requirement of collective.revisionmanager: Products.CMFQuickInstallerTool>=3.0.9
While:
  Installing client1.
Error: The requirement ('Products.CMFQuickInstallerTool>=3.0.9') is not allowed by your [versions] constraint (4.0.1.)

Is there a way to make buildout agree that 4.0.1 is indeed greater than or equal to 3.0.9?

2

Can it be that your versions file has 4.0.1. as version, including the last dot? That may mean the version is invalid and may sort below all other versions.

Otherwise: please tell your versions of Python, zc.buildout, setuptools and pip.

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