def translate_host_platform(
platform_constraint: PlatformConstraint,
binary_util: BinaryUtil,
) -> HostPlatform:
# This method attempts to provide a uname function to BinaryUtil.host_platform() so that the
# download urls can be calculated. For platforms that are different than the current host, we try
# to "spoof" the most appropriate value.
if Platform.current == Platform.darwin:
darwin_uname: Any = os.uname
linux_uname: Any = lambda: ("linux", None, None, None, "x86_64")
else:
assert Platform.current == Platform.linux
darwin_uname = lambda: (
"darwin",
None,
get_closest_mac_host_platform_pair(),
None,
"x86_64",
)
linux_uname = os.uname
return cast(
HostPlatform,
match(
platform_constraint,
{
PlatformConstraint.none:
lambda: HostPlatform.empty,
PlatformConstraint.darwin:
lambda: binary_util.host_platform(uname=darwin_uname()),
PlatformConstraint.linux:
lambda: binary_util.host_platform(uname=linux_uname()),
},
)(),
)
def get_macos_version(darwin_version: Optional[str]) -> Optional[str]:
host, version = get_closest_mac_host_platform_pair(
darwin_version, platform_name_map=platform_name_map
)
if host is not None:
self.assertEqual("mac", host)
return version
def _host_platform(self):
uname_result = self._uname_func()
sysname, _, release, _, machine = uname_result
os_id_key = sysname.lower()
try:
os_id_fun = self._ID_BY_OS[os_id_key]
os_id_tuple = os_id_fun(release, machine)
except KeyError:
# TODO: test this!
raise self.MissingMachineInfo(
"Pants could not resolve binaries for the current host: platform '{}' was not recognized. "
"Recognized platforms are: [{}].".format(
os_id_key, ', '.join(sorted(self._ID_BY_OS.keys()))))
try:
os_name, arch_or_version = self._path_by_id[os_id_tuple]
return HostPlatform(os_name, arch_or_version)
except KeyError:
# In the case of MacOS, arch_or_version represents a version, and newer releases
# can run binaries built for older releases.
# It's better to allow that as a fallback, than for Pants to be broken on each new version
# of MacOS until we get around to adding binaries for that new version, and modifying config
# appropriately.
# If some future version of MacOS cannot run binaries built for a previous
# release, then we're no worse off than we were before (except that the error will be
# less obvious), and we can fix it by pushing appropriate binaries and modifying
# SUPPORTED_PLATFORM_NORMALIZED_NAMES appropriately. This is only likely to happen with a
# major architecture change, so we'll have plenty of warning.
if os_id_tuple[0] == 'darwin':
os_name, version = get_closest_mac_host_platform_pair(
os_id_tuple[1])
if os_name is not None and version is not None:
return HostPlatform(os_name, version)
# We fail early here because we need the host_platform to identify where to download
# binaries to.
raise self.MissingMachineInfo(
"Pants could not resolve binaries for the current host. Update --binaries-path-by-id to "
"find binaries for the current host platform {}.\n"
"--binaries-path-by-id was: {}.".format(
os_id_tuple, self._path_by_id))
def _host_platform(self):
uname_result = self._uname_func()
sysname, _, release, _, machine = uname_result
os_id_key = sysname.lower()
try:
os_id_fun = self._ID_BY_OS[os_id_key]
os_id_tuple = os_id_fun(release, machine)
except KeyError:
# TODO: test this!
raise self.MissingMachineInfo(
"Pants could not resolve binaries for the current host: platform '{}' was not recognized. "
"Recognized platforms are: [{}]."
.format(os_id_key, ', '.join(sorted(self._ID_BY_OS.keys()))))
try:
os_name, arch_or_version = self._path_by_id[os_id_tuple]
return HostPlatform(os_name, arch_or_version)
except KeyError:
# In the case of MacOS, arch_or_version represents a version, and newer releases
# can run binaries built for older releases.
# It's better to allow that as a fallback, than for Pants to be broken on each new version
# of MacOS until we get around to adding binaries for that new version, and modifying config
# appropriately.
# If some future version of MacOS cannot run binaries built for a previous
# release, then we're no worse off than we were before (except that the error will be
# less obvious), and we can fix it by pushing appropriate binaries and modifying
# SUPPORTED_PLATFORM_NORMALIZED_NAMES appropriately. This is only likely to happen with a
# major architecture change, so we'll have plenty of warning.
if os_id_tuple[0] == 'darwin':
os_name, version = get_closest_mac_host_platform_pair(os_id_tuple[1])
if os_name is not None and version is not None:
return HostPlatform(os_name, version)
# We fail early here because we need the host_platform to identify where to download
# binaries to.
raise self.MissingMachineInfo(
"Pants could not resolve binaries for the current host. Update --binaries-path-by-id to "
"find binaries for the current host platform {}.\n"
"--binaries-path-by-id was: {}."
.format(os_id_tuple, self._path_by_id))
def get_macos_version(darwin_version):
host, version = get_closest_mac_host_platform_pair(
darwin_version, platform_name_map=platform_name_map)
if host is not None:
self.assertEqual('mac', host)
return version
def get_macos_version(darwin_version):
host, version = get_closest_mac_host_platform_pair(
darwin_version, platform_name_map=platform_name_map)
if host is not None:
self.assertEqual('mac', host)
return version
