def test_flatten(self):
def yielding():
yield 1
yield (2, "3")
cases = [
([], []),
((1, "2"), [1, "2"]),
(yielding(), [1, 2, "3"]),
((1, ["2", [], 3]), [1, "2", 3]),
]
for val, expected in cases:
result = list(iterutil.flatten(val))
assert result == expected
def install_tools(dependencies):
""" Install a required tool before using it, if it's missing.
Note that C{dependencies} can be a distutils requirement,
or a simple name from the C{tools} task configuration, or
a (nested) list of such requirements.
"""
tools = getattr(easy.options, "tools", {})
for dependency in iterutil.flatten(dependencies):
dependency = tools.get(dependency, dependency)
try:
pkg_resources.require(dependency)
except pkg_resources.DistributionNotFound:
vsh("pip", "install", "-q", dependency)
dependency = pkg_resources.require(dependency)
easy.info("Installed required tool %s" % (dependency, ))
def install_tools(dependencies):
""" Install a required tool before using it, if it's missing.
Note that C{dependencies} can be a distutils requirement,
or a simple name from the C{tools} task configuration, or
a (nested) list of such requirements.
"""
tools = getattr(easy.options, "tools", {})
for dependency in iterutil.flatten(dependencies):
dependency = tools.get(dependency, dependency)
try:
pkg_resources.require(dependency)
except pkg_resources.DistributionNotFound:
vsh("pip", "install", "-q", dependency)
dependency = pkg_resources.require(dependency)
easy.info("Installed required tool %s" % (dependency,))
def test_iterutil_flatten(val, expected):
result = list(iterutil.flatten(val))
assert result == expected
