print("# Generated by scripts/make_travisconf.py")
print("")

import contextlib
import itertools
i = 0


def p(s):
    print("    " * i + s)


@contextlib.contextmanager
def section(name):
    p("{}:".format(name))
    global i
    i += 1
    yield
    i -= 1
    print("")

p("sudo: true")
p("language: python")
p("")

with section("install"):
    p('- "pip install -U pip"')
    p('- "pip install wheel"')
    p('- "make -e install-dev"')
    p('- "make -e install-$BUILD"')

with section("script"):
    p('- "make -e $BUILD"')

with section("matrix"):
    with section("include"):
        for python in ("2.7", "3.3", "3.4", "3.5", "pypy"):
            h = lambda: p("- python: {}".format(python))
            h()
            p("  env: BUILD=style")

            if python in ("2.7", "3.5"):
                dav_servers = ("radicale", "owncloud", "baikal")
            else:
                dav_servers = ("radicale",)

            for dav_server, requirements in itertools.product(
                dav_servers,
                ("devel", "release", "minimal")
            ):
                if dav_server == "radicale" and requirements == "minimal":
                    # only the latest radicale is supported
                    continue
                h()
                p("  env: BUILD=test DAV_SERVER={} REQUIREMENTS={}"
                  .format(dav_server, requirements))