def dump(self):
self.debug('Building PythonBinary %s:' % self._target)
targets = self.resolve([self._target] + self._extra_targets)
for lib in targets['libraries'] | targets['binaries']:
self._dump_library(lib)
generated_reqs = OrderedSet()
if targets['thrifts']:
for thr in set(targets['thrifts']):
if thr not in self.MEMOIZED_THRIFTS:
self.MEMOIZED_THRIFTS[
thr] = self._generate_thrift_requirement(thr)
generated_reqs.add(self.MEMOIZED_THRIFTS[thr])
with ParseContext.temp():
# trick pants into letting us add this python requirement, otherwise we get
# TargetDefinitionException: Error in target BUILD.temp:thrift: duplicate to
# PythonRequirement(thrift)
#
# TODO(wickman) Instead of just blindly adding a PythonRequirement for thrift, we
# should first detect if any explicit thrift requirements have been added and use
# those. Only if they have not been supplied should we auto-inject it.
generated_reqs.add(
PythonRequirement(
'thrift',
use_2to3=True,
name='thrift-' +
''.join(random.sample('0123456789abcdef' * 8, 8))))
for antlr in targets['antlrs']:
generated_reqs.add(self._generate_antlr_requirement(antlr))
targets['reqs'] |= generated_reqs
for req in targets['reqs']:
if not req.should_build(self._interpreter.python,
Platform.current()):
self.debug('Skipping %s based upon version filter' % req)
continue
self._dump_requirement(req._requirement, False, req._repository)
reqs_to_build = (
req for req in targets['reqs']
if req.should_build(self._interpreter.python, Platform.current()))
for dist in self._resolver.resolve(reqs_to_build,
interpreter=self._interpreter):
self._dump_distribution(dist)
if len(targets['binaries']) > 1:
print('WARNING: Target has multiple python_binary targets!',
file=sys.stderr)
return self._builder
def test_get_current_platform(self):
expected_platforms = [Platform.current(), 'linux-x86_64']
self.assertEqual(
expected_platforms,
list(
get_platforms(self.config.getlist('python-setup',
'platforms'))))
def main():
parser = configure_clp()
options, args = parser.parse_args()
verbosity = 5 if options.verbosity else -1
with Tracer.env_override(
PEX_VERBOSE=verbosity,
TWITTER_COMMON_PYTHON_HTTP=verbosity,
PYTHON_VERBOSE=verbosity):
pex_builder = build_pex(args, options)
if options.pex_name is not None:
log('Saving PEX file to %s' % options.pex_name, v=options.verbosity)
tmp_name = options.pex_name + '~'
safe_delete(tmp_name)
pex_builder.build(tmp_name)
os.rename(tmp_name, options.pex_name)
return 0
if options.platform != Platform.current():
log('WARNING: attempting to run PEX with differing platform!')
pex_builder.freeze()
log('Running PEX file at %s with args %s' % (pex_builder.path(), args), v=options.verbosity)
pex = PEX(pex_builder.path(), interpreter=pex_builder.interpreter)
return pex.run(args=list(args))
def dump(self):
self.debug('Building PythonBinary %s:' % self._target)
targets = self.resolve([self._target] + self._extra_targets)
for lib in targets['libraries'] | targets['binaries']:
self._dump_library(lib)
generated_reqs = OrderedSet()
if targets['thrifts']:
for thr in set(targets['thrifts']):
if thr not in self.MEMOIZED_THRIFTS:
self.MEMOIZED_THRIFTS[thr] = self._generate_thrift_requirement(thr)
generated_reqs.add(self.MEMOIZED_THRIFTS[thr])
with ParseContext.temp():
# trick pants into letting us add this python requirement, otherwise we get
# TargetDefinitionException: Error in target BUILD.temp:thrift: duplicate to
# PythonRequirement(thrift)
#
# TODO(wickman) Instead of just blindly adding a PythonRequirement for thrift, we
# should first detect if any explicit thrift requirements have been added and use
# those. Only if they have not been supplied should we auto-inject it.
generated_reqs.add(PythonRequirement('thrift', use_2to3=True,
name='thrift-' + ''.join(random.sample('0123456789abcdef' * 8, 8))))
for antlr in targets['antlrs']:
generated_reqs.add(self._generate_antlr_requirement(antlr))
targets['reqs'] |= generated_reqs
reqs_to_build = OrderedSet()
for req in targets['reqs']:
if not req.should_build(self._interpreter.python, Platform.current()):
self.debug('Skipping %s based upon version filter' % req)
continue
reqs_to_build.add(req)
self._dump_requirement(req._requirement, False, req._repository)
platforms = self._platforms
if isinstance(self._target, PythonBinary):
platforms = self._target.platforms
distributions = resolve_multi(
self._config,
reqs_to_build,
interpreter=self._interpreter,
platforms=platforms)
locations = set()
for platform, dist_set in distributions.items():
for dist in dist_set:
if dist.location not in locations:
self._dump_distribution(dist)
locations.add(dist.location)
if len(targets['binaries']) > 1:
print('WARNING: Target has multiple python_binary targets!', file=sys.stderr)
return self._builder
def dump(self):
self.debug('Building PythonBinary %s:' % self._target)
targets = self.resolve([self._target] + self._extra_targets)
for lib in targets['libraries'] | targets['binaries']:
self._dump_library(lib)
generated_reqs = OrderedSet()
if targets['thrifts']:
for thr in set(targets['thrifts']):
if thr not in self.MEMOIZED_THRIFTS:
self.MEMOIZED_THRIFTS[
thr] = self._generate_thrift_requirement(thr)
generated_reqs.add(self.MEMOIZED_THRIFTS[thr])
generated_reqs.add(PythonRequirement('thrift', use_2to3=True))
for antlr in targets['antlrs']:
generated_reqs.add(self._generate_antlr_requirement(antlr))
reqs_from_libraries = OrderedSet()
for req_lib in targets['reqs']:
for req in req_lib.payload.requirements:
reqs_from_libraries.add(req)
reqs_to_build = OrderedSet()
for req in reqs_from_libraries | generated_reqs | self._extra_requirements:
if not req.should_build(self._interpreter.python,
Platform.current()):
self.debug('Skipping %s based upon version filter' % req)
continue
reqs_to_build.add(req)
self._dump_requirement(req._requirement, False, req._repository)
platforms = self._platforms
if isinstance(self._target, PythonBinary):
platforms = self._target.platforms
distributions = resolve_multi(self._config,
reqs_to_build,
interpreter=self._interpreter,
platforms=platforms)
locations = set()
for platform, dist_set in distributions.items():
for dist in dist_set:
if dist.location not in locations:
self._dump_distribution(dist)
locations.add(dist.location)
if len(targets['binaries']) > 1:
print('WARNING: Target has multiple python_binary targets!',
file=sys.stderr)
return self._builder
def test_unknown(self):
with pytest.raises(Platform.UnknownPlatformError):
Platform.compatible('macosx-10.0-morfgorf', 'macosx-10.1-morfgorf')
with pytest.raises(Platform.UnknownPlatformError):
Platform.compatible('macosx-10.0-x86_64', 'macosx-10.1-morfgorf')
with pytest.raises(Platform.UnknownPlatformError):
Platform.compatible('macosx-10.0-morfgorf', 'macosx-10.1-x86_64')
def dump(self):
self.debug('Building PythonBinary %s:' % self._target)
targets = self.resolve([self._target] + self._extra_targets)
for lib in targets['libraries'] | targets['binaries']:
self._dump_library(lib)
generated_reqs = OrderedSet()
if targets['thrifts']:
for thr in set(targets['thrifts']):
if thr not in self.MEMOIZED_THRIFTS:
self.MEMOIZED_THRIFTS[thr] = self._generate_thrift_requirement(thr)
generated_reqs.add(self.MEMOIZED_THRIFTS[thr])
generated_reqs.add(PythonRequirement('thrift', use_2to3=True))
for antlr in targets['antlrs']:
generated_reqs.add(self._generate_antlr_requirement(antlr))
reqs_from_libraries = OrderedSet()
for req_lib in targets['reqs']:
for req in req_lib.payload.requirements:
reqs_from_libraries.add(req)
reqs_to_build = OrderedSet()
for req in reqs_from_libraries | generated_reqs | self._extra_requirements:
if not req.should_build(self._interpreter.python, Platform.current()):
self.debug('Skipping %s based upon version filter' % req)
continue
reqs_to_build.add(req)
self._dump_requirement(req._requirement, False, req._repository)
platforms = self._platforms
if isinstance(self._target, PythonBinary):
platforms = self._target.platforms
distributions = resolve_multi(
self._config,
reqs_to_build,
interpreter=self._interpreter,
platforms=platforms)
locations = set()
for platform, dist_set in distributions.items():
for dist in dist_set:
if dist.location not in locations:
self._dump_distribution(dist)
locations.add(dist.location)
if len(targets['binaries']) > 1:
print('WARNING: Target has multiple python_binary targets!', file=sys.stderr)
return self._builder
def test_versioning(self):
# Major versions incompatible
assert not Platform.compatible('macosx-9.1-x86_64', 'macosx-10.0-x86_64')
assert not Platform.compatible('macosx-10.0-x86_64', 'macosx-9.1-x86_64')
# Platforms equal
assert Platform.compatible('macosx-10.0-x86_64', 'macosx-10.0-x86_64')
# Minor versions less than
assert Platform.compatible('macosx-10.0-x86_64', 'macosx-10.1-x86_64')
assert not Platform.compatible('macosx-10.1-x86_64', 'macosx-10.0-x86_64')
assert Platform.compatible('macosx-10.9-x86_64', 'macosx-10.10-x86_64')
assert not Platform.compatible('macosx-10.10-x86_64', 'macosx-10.9-x86_64')
def __init__(self,
caches=(),
install_cache=None,
fetcher=None,
fetcher_provider=None,
platform=Platform.current(),
python=sys.version[:3]):
assert (fetcher is not None) + (fetcher_provider is not None) == 1, (
"At most one of fetcher or fetcher_provider should be supplied")
self._subcaches = [Resolver.Subcache(cache, self) for cache in caches]
self._fetcher = fetcher
self._fetcher_provider = fetcher_provider
self._install_cache = install_cache
self._ws = WorkingSet([])
with self.timed('Calling environment super'):
super(Resolver, self).__init__(search_path=[], platform=platform, python=python)
def __init__(self, target, root_dir, extra_targets=None, builder=None):
self._config = Config.load()
self._target = target
self._root = root_dir
self._cache = BuildCache(os.path.join(self._config.get('python-setup', 'artifact_cache'),
'%s' % PythonIdentity.get()))
self._extra_targets = list(extra_targets) if extra_targets is not None else []
self._resolver = PythonResolver([self._target] + self._extra_targets)
self._builder = builder or PEXBuilder(tempfile.mkdtemp())
self._platforms = (Platform.current(),)
self._pythons = (sys.version[:3],)
# TODO(wickman) Should this be in the binary builder?
if isinstance(self._target, PythonBinary):
self._platforms = self._target._platforms
self._pythons = self._target._interpreters
def __init__(self, target, root_dir, extra_targets=None, builder=None):
self._config = Config.load()
self._target = target
self._root = root_dir
self._cache = BuildCache(
os.path.join(self._config.get('python-setup', 'artifact_cache'),
'%s' % PythonIdentity.get()))
self._extra_targets = list(
extra_targets) if extra_targets is not None else []
self._resolver = PythonResolver([self._target] + self._extra_targets)
self._builder = builder or PEXBuilder(tempfile.mkdtemp())
self._platforms = (Platform.current(), )
self._pythons = (sys.version[:3], )
# TODO(wickman) Should this be in the binary builder?
if isinstance(self._target, PythonBinary):
self._platforms = self._target._platforms
self._pythons = self._target._interpreters
def test_platform_subsets(self):
# Pure platform subset
assert Platform.compatible('macosx-10.0-i386', 'macosx-10.0-intel')
# Version and platform subset
assert Platform.compatible('macosx-10.0-i386', 'macosx-10.1-intel')
assert Platform.compatible('macosx-10.0-x86_64', 'macosx-10.1-intel')
# Intersecting sets of platform but not pure subset
assert Platform.compatible('macosx-10.0-fat', 'macosx-10.1-intel')
# Non-intersecting sets of platform
assert not Platform.compatible('macosx-10.0-ppc', 'macosx-10.1-intel')
# Test our common case
assert Platform.compatible('macosx-10.4-x86_64', 'macosx-10.7-intel')
def __init__(self,
name,
source=None,
dependencies=None,
entry_point=None,
inherit_path=False,
zip_safe=True,
repositories=None,
indices=None,
ignore_errors=False,
allow_pypi=False,
platforms=(Platform.current(), ),
interpreters=(sys.version[:3], )):
"""
name: target name
source: the python source file that becomes this binary's __main__ [optional]
if none specified, drops into an interpreter by default
dependencies: a list of other PythonLibrary or Pants targets this binary depends upon
entry_point: the default entry point for this binary (by default drops
into the entry point defined by @source)
inherit_path: inherit the sys.path of the environment that this binary runs in
zip_safe: whether or not this binary is safe to run in compacted (zip-file) form
repositories: a list of repositories to query for dependencies
indices: a list of indices to use for packages
allow_pypi: whether or not this binary should be allowed to hit pypi for dependency
management
platforms: the platforms to target when building this binary. by
default the current platform.
interpreters: the interpreter versions to target when building this binary. by default the
current interpreter version (specify in the form: '2.6', '2.7', '3.2' etc.)
"""
if source is None and dependencies is None:
raise TargetDefinitionException(
'ERROR: no source or dependencies declared for target %s' %
name)
if source and entry_point:
raise TargetDefinitionException(
'Can only declare an entry_point if no source binary is specified.'
)
if not isinstance(platforms, (list, tuple)) or not isinstance(
interpreters, (list, tuple)):
raise TargetDefinitionException(
'platforms and interpreters must be lists or tuples.')
self._entry_point = entry_point
self._inherit_path = bool(inherit_path)
self._zip_safe = bool(zip_safe)
self._platforms = platforms
self._interpreters = interpreters
self._repositories = repositories or []
self._indices = indices or []
self._allow_pypi = bool(allow_pypi)
self._ignore_errors = bool(ignore_errors)
PythonTarget.__init__(self,
name, [] if source is None else [source],
dependencies=dependencies)
def test_get_current_platform(self):
expected_platforms = [Platform.current(), "linux-x86_64"]
self.assertEqual(expected_platforms, list(get_platforms(self.config.getlist("python-setup", "platforms"))))
def translate(platform): return Platform.current() if platform == 'current' else platform
close_fds=True,
cwd=get_buildroot()
)
with _safe_open(self._pidfile, 'w') as pidfile:
pidfile.write('%d' % process.pid)
log.debug('Spawned ng server @ %d' % process.pid)
# Prevents finally blocks being executed, unlike sys.exit(). We don't want to execute finally
# blocks because we might, e.g., clean up tempfiles that the parent still needs.
os._exit(0)
# Pick implementations for killall and _find. We don't use psutil, as it uses
# native code and so is not portable, leading to packaging and deployment headaches.
# TODO: Extract this to a class and add a paired test guarded by
# http://pytest.org/latest/skipping.html#skipping.
plat = Platform.current()
if plat.startswith('linux') or plat.startswith('macosx'):
# TODO: add other platforms as needed, after checking that these cmds work there as expected.
# Returns the cmd's output, as a list of lines, including the newline characters.
def _run_cmd(cmd):
runcmd = cmd + ' && echo "\n${PIPESTATUS[*]}"'
popen = subprocess.Popen(runcmd, shell=True, executable='/bin/bash', bufsize=-1, close_fds=True,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
(stdout_data, _) = popen.communicate()
stdout_data_lines = [line for line in stdout_data.strip().split('\n') if line]
if not stdout_data_lines:
raise NailgunError('No output for command (%s)' % runcmd)
try:
# Get the return codes of each piped cmd.
piped_return_codes = [int(x) for x in stdout_data_lines[-1].split(' ') if x]
def platform_compatible(): return Platform.compatible(dist.platform, self.platform)
def configure_clp():
usage = (
"%prog [options]\n\n"
"%prog builds a PEX (Python Executable) file based on the given specifications: "
"sources, requirements, their dependencies and other options"
)
parser = OptionParser(usage=usage, version="%prog 0.2")
parser.add_option(
"--pypi",
"--no-pypi",
dest="pypi",
default=True,
action="callback",
callback=parse_bool,
help="Whether to use pypi to resolve dependencies; Default: use pypi",
)
parser.add_option(
"--python",
dest="python",
default=None,
help="The Python interpreter to use to build the pex. Either specify an explicit "
"path to an interpreter, or specify a binary accessible on $PATH. "
"Default: Use current interpreter.",
)
parser.add_option(
"--platform",
dest="platform",
default=Platform.current(),
help="The platform for which to build the PEX. Default: %%default",
)
parser.add_option(
"--zip-safe",
"--not-zip-safe",
dest="zip_safe",
default=True,
action="callback",
callback=parse_bool,
help="Whether or not the sources in the pex file are zip safe. If they are "
"not zip safe, they will be written to disk prior to execution; "
"Default: zip safe.",
)
parser.add_option(
"--always-write-cache",
dest="always_write_cache",
default=False,
action="store_true",
help="Always write the internally cached eggs to disk prior to invoking "
"the pex source code. This can use less memory in RAM constrained "
"environments. [Default: %default]",
)
parser.add_option(
"--ignore-errors",
dest="ignore_errors",
default=False,
action="store_true",
help="Ignore run-time requirement resolution errors when invoking the pex. " "[Default: %default]",
)
parser.add_option(
"--inherit-path",
dest="inherit_path",
default=False,
action="store_true",
help="Inherit the contents of sys.path (including site-packages) running the pex. " "[Default: %default]",
)
parser.add_option(
"--cache-dir",
dest="cache_dir",
default=os.path.expanduser("~/.pex/build"),
help="The local cache directory to use for speeding up requirement " "lookups; [Default: %default]",
)
parser.add_option(
"-o",
"-p",
"--output-file",
"--pex-name",
dest="pex_name",
default=None,
help="The name of the generated .pex file: Omiting this will run PEX " "immediately and not save it to a file.",
)
parser.add_option(
"-e",
"--entry-point",
dest="entry_point",
default=None,
help="The entry point for this pex; Omiting this will enter the python "
"REPL with sources and requirements available for import. Can be "
"either a module or EntryPoint (module:function) format.",
)
parser.add_option(
"-r",
"--requirement",
dest="requirements",
metavar="REQUIREMENT",
default=[],
action="append",
help="requirement to be included; may be specified multiple times.",
)
parser.add_option(
"--repo",
dest="repos",
metavar="PATH",
default=[],
action="append",
help="Additional repository path (directory or URL) to look for requirements.",
)
parser.add_option(
"-s",
"--source-dir",
dest="source_dirs",
metavar="DIR",
default=[],
action="append",
help="Source to be packaged; This <DIR> should be a pip-installable project " "with a setup.py.",
)
parser.add_option(
"-v", "--verbosity", dest="verbosity", default=False, action="store_true", help="Turn on logging verbosity."
)
return parser
def __init__(self,
name,
source=None,
dependencies=None,
entry_point=None,
inherit_path=False,
zip_safe=True,
repositories=None,
indices=None,
ignore_errors=False,
allow_pypi=False,
platforms=(Platform.current(),),
interpreters=(sys.version[:3],)):
"""
name: target name
source: the python source file that becomes this binary's __main__ [optional]
if none specified, drops into an interpreter by default
dependencies: a list of other PythonLibrary or Pants targets this binary depends upon
entry_point: the default entry point for this binary (by default drops
into the entry point defined by @source)
inherit_path: inherit the sys.path of the environment that this binary runs in
zip_safe: whether or not this binary is safe to run in compacted (zip-file) form
repositories: a list of repositories to query for dependencies
indices: a list of indices to use for packages
allow_pypi: whether or not this binary should be allowed to hit pypi for dependency
management
platforms: the platforms to target when building this binary. by
default the current platform.
interpreters: the interpreter versions to target when building this binary. by default the
current interpreter version (specify in the form: '2.6', '2.7', '3.2' etc.)
"""
if source is None and dependencies is None:
raise TargetDefinitionException(
'ERROR: no source or dependencies declared for target %s' % name)
if source and entry_point:
raise TargetDefinitionException(
'Can only declare an entry_point if no source binary is specified.')
if not isinstance(platforms, (list, tuple)) or not isinstance(interpreters, (list, tuple)):
raise TargetDefinitionException('platforms and interpreters must be lists or tuples.')
self._entry_point = entry_point
self._inherit_path = bool(inherit_path)
self._zip_safe = bool(zip_safe)
self._platforms = platforms
self._interpreters = interpreters
self._repositories = repositories or []
self._indices = indices or []
self._allow_pypi = bool(allow_pypi)
self._ignore_errors = bool(ignore_errors)
PythonTarget.__init__(self, name, [] if source is None else [source], dependencies=dependencies)
def test_pure_python(self): assert Platform.compatible(None, None) assert Platform.compatible(None, 'i386') assert Platform.compatible(None, 'universal')
stderr=err_fd,
close_fds=True,
cwd=get_buildroot())
with _safe_open(self._pidfile, 'w') as pidfile:
pidfile.write('%d' % process.pid)
log.debug('Spawned ng server @ %d' % process.pid)
# Prevents finally blocks being executed, unlike sys.exit(). We don't want to execute finally
# blocks because we might, e.g., clean up tempfiles that the parent still needs.
os._exit(0)
# Pick implementations for killall and _find. We don't use psutil, as it uses
# native code and so is not portable, leading to packaging and deployment headaches.
# TODO: Extract this to a class and add a paired test guarded by
# http://pytest.org/latest/skipping.html#skipping.
plat = Platform.current()
if plat.startswith('linux') or plat.startswith('macosx'):
# TODO: add other platforms as needed, after checking that these cmds work there as expected.
# Returns the cmd's output, as a list of lines, including the newline characters.
def _run_cmd(cmd):
runcmd = cmd + ' && echo "\n${PIPESTATUS[*]}"'
popen = subprocess.Popen(runcmd,
shell=True,
executable='/bin/bash',
bufsize=-1,
close_fds=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
(stdout_data, _) = popen.communicate()
stdout_data_lines = [
def test_get_current_platform(self):
expected_platforms = [Platform.current(), 'linux-x86_64']
self.assertEqual(expected_platforms,
list(get_platforms(self.config.getlist('python-setup', 'platforms'))))
class NailgunProcessManager(object):
"""A container for some gnarly process id munging logic."""
# Verify that the gnarly logic works on this platform.
plat = Platform.current()
if not (plat.startswith('linux') or plat.startswith('macosx')):
raise NotImplementedError('Platform %s not supported by pants.' % plat)
@staticmethod
def _run_cmd(cmd):
# Returns the cmd's output, as a list of lines, including the newline characters.
runcmd = cmd + ' && echo "${PIPESTATUS[*]}"'
popen = subprocess.Popen(runcmd, shell=True, executable='/bin/bash', bufsize=-1, close_fds=True,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
(stdout_data, _) = popen.communicate()
stdout_data_lines = [line for line in stdout_data.strip().split('\n') if line]
if not stdout_data_lines:
return None #raise NailgunError('No output for command (%s)' % runcmd)
try:
# Get the return codes of each piped cmd.
piped_return_codes = [int(x) for x in stdout_data_lines[-1].split(' ') if x]
except ValueError:
raise NailgunError('Failed to parse result (%s) for command (%s)' % (stdout_data_lines, cmd))
# Drop the echoing of PIPESTATUS, which our caller doesn't care about.
stdout_data_lines = stdout_data_lines[:-1]
failed = any(piped_return_codes)
if failed:
raise NailgunError('Failed to execute cmd: "%s". Exit codes: %s. Output: "%s"' %\
(cmd, piped_return_codes, ''.join(stdout_data_lines)))
return stdout_data_lines
@staticmethod
def _find_matching_pids(strs):
# Grep all processes whose cmd-lines contain all the strs, except for the grep process itself.
filters = ' | '.join(["grep -F -e '%s'" % s for s in strs])
data = NailgunProcessManager._run_cmd(
"ps axwww | %s | (grep -v grep || true) | cut -b 1-5" % filters)
pids = [int(x.strip()) for x in data if x]
return pids
@staticmethod
def _find_ngs(everywhere=False):
arg = NailgunTask.PANTS_NG_ARG_PREFIX if everywhere else NailgunTask.PANTS_NG_ARG
return NailgunProcessManager._find_matching_pids([arg])
@staticmethod
def killall(log, everywhere=False):
for pid in NailgunProcessManager._find_ngs(everywhere=everywhere):
try:
if log:
NailgunTask._log_kill(log, pid)
os.kill(pid, signal.SIGKILL)
except OSError:
pass
DIGITS_RE = re.compile('^\d+$')
@staticmethod
def find(identifier_arg):
pids = NailgunProcessManager._find_matching_pids([NailgunTask.PANTS_NG_ARG, identifier_arg])
if len(pids) != 1:
return None
pid = pids[0]
# Expected output of the lsof cmd: pPID\nn[::127.0.0.1]:PORT
lines = NailgunProcessManager._run_cmd('lsof -a -p %s -i TCP -s TCP:LISTEN -P -Fn' % pid)
if lines is None or len(lines) != 2 or lines[0] != 'p%s' % pid:
return None
port = lines[1][lines[1].rfind(':') + 1:].strip()
if not NailgunProcessManager.DIGITS_RE.match(port):
return None
return pid, int(port)
def test_cross_platform(self):
assert not Platform.compatible('linux-x86_64', 'macosx-10.0-x86_64')
# TODO(wickman): Should we do extended platform support beyond OS X?
assert not Platform.compatible('linux-i386', 'linux-x86_64')
def translate(platform):
return Platform.current() if platform == 'current' else platform
def can_add(self, dist): return Platform.distribution_compatible(dist, python=self.python, platform=self.platform)
def configure_clp():
usage = (
'%prog [options]\n\n'
'%prog builds a PEX (Python Executable) file based on the given specifications: '
'sources, requirements, their dependencies and other options')
parser = OptionParser(usage=usage, version='%prog 0.2')
parser.add_option(
'--pypi', '--no-pypi',
dest='pypi',
default=True,
action='callback',
callback=parse_bool,
help='Whether to use pypi to resolve dependencies; Default: use pypi')
parser.add_option(
'--wheel', '--no-wheel',
dest='use_wheel',
default=True,
action='callback',
callback=parse_bool,
help='Whether to allow wheel distributions; Default: allow wheels')
parser.add_option(
'--build', '--no-build',
dest='allow_builds',
default=True,
action='callback',
callback=parse_bool,
help='Whether to allow building of distributions from source; Default: allow builds')
parser.add_option(
'--python',
dest='python',
default=None,
help='The Python interpreter to use to build the pex. Either specify an explicit '
'path to an interpreter, or specify a binary accessible on $PATH. '
'Default: Use current interpreter.')
parser.add_option(
'--platform',
dest='platform',
default=Platform.current(),
help='The platform for which to build the PEX. Default: %%default')
parser.add_option(
'--zip-safe', '--not-zip-safe',
dest='zip_safe',
default=True,
action='callback',
callback=parse_bool,
help='Whether or not the sources in the pex file are zip safe. If they are '
'not zip safe, they will be written to disk prior to execution; '
'Default: zip safe.')
parser.add_option(
'--always-write-cache',
dest='always_write_cache',
default=False,
action='store_true',
help='Always write the internally cached distributions to disk prior to invoking '
'the pex source code. This can use less memory in RAM constrained '
'environments. [Default: %default]')
parser.add_option(
'--ignore-errors',
dest='ignore_errors',
default=False,
action='store_true',
help='Ignore run-time requirement resolution errors when invoking the pex. '
'[Default: %default]')
parser.add_option(
'--inherit-path',
dest='inherit_path',
default=False,
action='store_true',
help='Inherit the contents of sys.path (including site-packages) running the pex. '
'[Default: %default]')
parser.add_option(
'--cache-dir',
dest='cache_dir',
default=os.path.expanduser('~/.pex/build'),
help='The local cache directory to use for speeding up requirement '
'lookups; [Default: %default]')
parser.add_option(
'-o', '-p', '--output-file', '--pex-name',
dest='pex_name',
default=None,
help='The name of the generated .pex file: Omiting this will run PEX '
'immediately and not save it to a file.')
parser.add_option(
'-e', '--entry-point',
dest='entry_point',
default=None,
help='The entry point for this pex; Omiting this will enter the python '
'REPL with sources and requirements available for import. Can be '
'either a module or EntryPoint (module:function) format.')
parser.add_option(
'-r', '--requirement',
dest='requirements',
metavar='REQUIREMENT',
default=[],
action='append',
help='requirement to be included; may be specified multiple times.')
parser.add_option(
'--repo',
dest='repos',
metavar='PATH',
default=[],
action='append',
help='Additional repository path (directory or URL) to look for requirements.')
parser.add_option(
'-i', '--index',
dest='indices',
metavar='URL',
default=[],
action='append',
help='Additional cheeseshop indices to use to satisfy requirements.')
parser.add_option(
'-s', '--source-dir',
dest='source_dirs',
metavar='DIR',
default=[],
action='append',
help='Source to be packaged; This <DIR> should be a pip-installable project '
'with a setup.py.')
parser.add_option(
'-v', '--verbosity',
dest='verbosity',
default=False,
action='store_true',
help='Turn on logging verbosity.')
return parser
def __init__(self, interpreter, platform=None):
platform = platform or Platform.current()
self.__interpreter = interpreter
super(PantsEnvironment, self).__init__(
search_path=[], python=interpreter.python, platform=platform)
