Issue #97 resolved

Allow environment variables to be referenced in rc files

Geoff Bache
created an issue

In the process of integrating my test tool TextTest more closely with coverage.py, and trying to make use of rc files, I noticed I would either need to autogenerate them for every test run or be able to refer to environment variables in them.

I'm thinking particularly of the "data_file" and "source" settings. TextTest has its own temporary path structure where it runs tests, which it provides an environment variable for, and it would make sense to point "data_file" at that. Likewise, it knows where the source is, and sets an environment variable for that also. It would be nice to have a static coveragerc file for TextTest rather than needing to generate it each time.

This would be a one-line change: with this line

{{{

!python

cp = configparser.ConfigParser(defaults=os.environ) }}}

in config.py inserted.

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