tests/docker/travis.py

   1 #!/usr/bin/env python3
   2 #
   3 # Travis YAML config parser
   4 #
   5 # Copyright (c) 2016 Red Hat Inc.
   6 #
   7 # Authors:
   8 #  Fam Zheng <famz@redhat.com>
   9 #
  10 # This work is licensed under the terms of the GNU GPL, version 2
  11 # or (at your option) any later version. See the COPYING file in
  12 # the top-level directory.
  13
  14 import sys
  15 import yaml
  16 import itertools
  17
  18 def load_yaml(fname):
  19     return yaml.safe_load(open(fname, "r").read())
  20
  21 def conf_iter(conf):
  22     # If "compiler" is omitted from the included env then Travis picks the
  23     # first entry of the global compiler list.
  24     default_compiler = conf["compiler"][0]
  25     def env_to_list(env):
  26         return env if isinstance(env, list) else [env]
  27     for entry in conf["matrix"]["include"]:
  28         yield {"env": env_to_list(entry["env"]),
  29                "compiler": entry.get("compiler", default_compiler)}
  30
  31 def main():
  32     if len(sys.argv) < 2:
  33         sys.stderr.write("Usage: %s <travis-file>\n" % sys.argv[0])
  34         return 1
  35     conf = load_yaml(sys.argv[1])
  36     print("\n".join((": ${%s}" % var for var in conf["env"]["global"])))
  37     for config in conf_iter(conf):
  38         print("(")
  39         print("\n".join(config["env"]))
  40         print("alias cc=" + config["compiler"])
  41         print("\n".join(conf["before_script"]))
  42         print("\n".join(conf["script"]))
  43         print(")")
  44     return 0
  45
  46 if __name__ == "__main__":
  47     sys.exit(main())