def resolve_multi(config,
requirements,
interpreter=None,
platforms=None,
conn_timeout=None,
ttl=3600):
"""Multi-platform dependency resolution for PEX files.
Given a pants configuration and a set of requirements, return a list of distributions
that must be included in order to satisfy them. That may involve distributions for
multiple platforms.
:param config: Pants :class:`Config` object.
:param requirements: A list of :class:`PythonRequirement` objects to resolve.
:param interpreter: :class:`PythonInterpreter` for which requirements should be resolved.
If None specified, defaults to current interpreter.
:param platforms: Optional list of platforms against requirements will be resolved. If
None specified, the defaults from `config` will be used.
:param conn_timeout: Optional connection timeout for any remote fetching.
:param ttl: Time in seconds before we consider re-resolving an open-ended requirement, e.g.
"flask>=0.2" if a matching distribution is available on disk. Defaults
to 3600.
"""
distributions = dict()
interpreter = interpreter or PythonInterpreter.get()
if not isinstance(interpreter, PythonInterpreter):
raise TypeError(
'Expected interpreter to be a PythonInterpreter, got %s' %
type(interpreter))
install_cache = PythonSetup(config).scratch_dir('install_cache',
default_name='eggs')
platforms = get_platforms(
platforms or config.getlist('python-setup', 'platforms', ['current']))
for platform in platforms:
translator = Translator.default(install_cache=install_cache,
interpreter=interpreter,
platform=platform,
conn_timeout=conn_timeout)
obtainer = PantsObtainer(
install_cache=install_cache,
crawler=crawler_from_config(config, conn_timeout=conn_timeout),
fetchers=fetchers_from_config(config) or [PyPIFetcher()],
translators=translator)
distributions[platform] = resolve(requirements=requirements,
obtainer=obtainer,
interpreter=interpreter,
platform=platform)
return distributions
def resolve_multi(config,
requirements,
interpreter=None,
platforms=None,
conn_timeout=None,
ttl=3600):
"""Multi-platform dependency resolution for PEX files.
Given a pants configuration and a set of requirements, return a list of distributions
that must be included in order to satisfy them. That may involve distributions for
multiple platforms.
:param config: Pants :class:`Config` object.
:param requirements: A list of :class:`PythonRequirement` objects to resolve.
:param interpreter: :class:`PythonInterpreter` for which requirements should be resolved.
If None specified, defaults to current interpreter.
:param platforms: Optional list of platforms against requirements will be resolved. If
None specified, the defaults from `config` will be used.
:param conn_timeout: Optional connection timeout for any remote fetching.
:param ttl: Time in seconds before we consider re-resolving an open-ended requirement, e.g.
"flask>=0.2" if a matching distribution is available on disk. Defaults
to 3600.
"""
distributions = dict()
interpreter = interpreter or PythonInterpreter.get()
if not isinstance(interpreter, PythonInterpreter):
raise TypeError('Expected interpreter to be a PythonInterpreter, got %s' % type(interpreter))
install_cache = PythonSetup(config).scratch_dir('install_cache', default_name='eggs')
platforms = get_platforms(platforms or config.getlist('python-setup', 'platforms', ['current']))
for platform in platforms:
translator = Translator.default(
install_cache=install_cache,
interpreter=interpreter,
platform=platform,
conn_timeout=conn_timeout)
obtainer = PantsObtainer(
install_cache=install_cache,
crawler=crawler_from_config(config, conn_timeout=conn_timeout),
fetchers=fetchers_from_config(config) or [PyPIFetcher()],
translators=translator)
distributions[platform] = resolve(requirements=requirements,
obtainer=obtainer,
interpreter=interpreter,
platform=platform)
return distributions
def build_obtainer(options):
interpreter = interpreter_from_options(options)
platform = options.platform
fetchers = [Fetcher(options.repos)]
if options.pypi:
fetchers.append(PyPIFetcher())
translator = Translator.default(install_cache=options.cache_dir, platform=platform, interpreter=interpreter)
obtainer = CachingObtainer(install_cache=options.cache_dir, fetchers=fetchers, translators=translator)
return obtainer
