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2017-04-06Move to Python3Diana Picus
Most of the changes have been made by 2to3. Some manual fiddling was needed to make sure we're calling python3 instead of just python in the tests. Two of the helpers in the tests were reworked into proper methods rather than partials because we had to convert their returned value to str and this seems like the most straightforward/easy-to-read way. Change-Id: I74fdc1eaade3c026ee0c3e6bcdf26f8840f259b3
2016-12-15[llvmprojs] Rewrite llvm-projs in pythonDiana Picus
This is the first step in moving all our scripts to python. For now we keep the current content of the repo, but we'll start adding a new directory hierarchy for the python stuff: * modules: should contain most of the python code, organized as a package that can be imported by the scripts * scripts: the scripts themselves, which should be parsing the command line and calling stuff from 'modules' to do the actual work; can be broken down into the same categories we had before (helpers, bisect etc), or we could just have one big pile * tests: should contain unittests (for the stuff in modules) and command line interface tests (for the scripts) The code is heavily using functionality from the tcwg-release-tools repo (which probably needs to be renamed / reorganized), so you should have that in your PYTHONPATH when trying to run any of the scripts. To run the tests, just invoke check.sh. One of the important changes is that we'll be using python's argparse module to parse command line flags, which means we'll have to stick to a more traditional interface for the scripts. In particular, we can't have short options like "+c" anymore. This isn't much of a problem, because we will keep the bash scripts as they are and just make them invoke a tool written in python (scripts/llvm.py) to do the work. The tool will have subcommands for any functionality that we want, for instance the new interface for adding/removing subprojects is: llvm.py projects [-a subproject subproject ... subproject] [-r subproject ... subproject] The -a and -r options (followed by any number of subprojects) can be used to selectively enable/disable things. You have to pass the full name of the subproject (e.g. llvmprojs.py -a clang lld -r libcxx) for it to work. This is invoked by the llvm-projs bash script, which has the old, more convenient interface. For now the bash scripts will live in the same directories as they used to, but after the transition is complete we will want to move them to the scripts directory. Note that we're also eliding any dashes in the names of the scripts, in keeping with Python best practices for module names (i.e. using valid Python identifiers as names). Change-Id: I9ec08632dbb17464673240d6f6881a90f45d5371