aiidateam / aiida_core / 4617

67%

develop: 74%

Pull #2287

travis-ci

Replace use of os.system with subprocess.call

- Replaces the use of os.system in aiida.common.graph with subprocess.call
The former was dangerous as it was passed arguments directly from the cmdline
via verdi graph and so would execute and valid shell string,
The solution is to use subprocess.call() which sanitises the input automatically.

- Also prints a more usful message if graphviz is possibly not installed.

8 of 8 new or added lines in 1 file covered. (100.0%)

24524 of 36844 relevant lines covered (66.56%)

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